bugfixes; startall works 2025-12-09

alembic/versions/509010f13e8b_accounting_vaultcreation_ofac.py

@@ -0,0 +1,123 @@
+"""accounting, vaultcreation, ofac
+
+Revision ID: 509010f13e8b
+Revises: 86afa7b6415d
+Create Date: 2025-01-03 19:11:22.073682
+
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+import dexorder.database
+import dexorder.database.column_types
+
+# revision identifiers, used by Alembic.
+revision: str = '509010f13e8b'
+down_revision: Union[str, None] = '86afa7b6415d'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.execute("ALTER TYPE transactionjobstate ADD VALUE 'Declined'")
+    op.create_table('accounting',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('time', sa.DateTime(), nullable=False),
+    sa.Column('account', sa.String(), nullable=False),
+    sa.Column('category', sa.Enum('Transfer', 'Income', 'Expense', 'Trade', 'Special', name='accountingcategory'), nullable=False),
+    sa.Column('subcategory', sa.Enum('OrderFee', 'GasFee', 'FillFee', 'Admin', 'TransactionGas', 'VaultCreation', 'Execution', 'FeeAdjustment', 'InitialBalance', name='accountingsubcategory'), nullable=True),
+    sa.Column('token', sa.String(), nullable=False),
+    sa.Column('amount', dexorder.database.column_types.DecimalNumeric(), nullable=False),
+    sa.Column('value', dexorder.database.column_types.DecimalNumeric(), nullable=True),
+    sa.Column('chain_id', sa.Integer(), nullable=False),
+    sa.Column('tx_id', sa.String(), nullable=True),
+    sa.Column('note', sa.String(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_accounting_category'), 'accounting', ['category'], unique=False)
+    op.create_index(op.f('ix_accounting_subcategory'), 'accounting', ['subcategory'], unique=False)
+    op.create_index(op.f('ix_accounting_time'), 'accounting', ['time'], unique=False)
+    op.create_index(op.f('ix_accounting_token'), 'accounting', ['token'], unique=False)
+    op.create_index(op.f('ix_accounting_account'), 'accounting', ['account'], unique=False)
+    op.create_index(op.f('ix_accounting_chain_id'), 'accounting', ['chain_id'], unique=False)
+    op.create_table('ofac',
+    sa.Column('address', sa.String(), nullable=False),
+    sa.PrimaryKeyConstraint('address')
+    )
+    op.create_table('ofacalerts',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('time', sa.DateTime(), nullable=False),
+    sa.Column('address', sa.String(), nullable=False),
+    sa.Column('ip', sa.String(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('vaultcreationrequest',
+    sa.Column('chain', dexorder.database.column_types.Blockchain(), nullable=False),
+    sa.Column('owner', sa.String(), nullable=False),
+    sa.Column('num', sa.Integer(), nullable=False),
+    sa.Column('time', sa.DateTime(), nullable=False),
+    sa.Column('ipaddr', postgresql.INET(), nullable=False),
+    sa.Column('vault', sa.String(), nullable=True),
+    sa.PrimaryKeyConstraint('chain', 'owner', 'num')
+    )
+    op.create_index('ix_vault_address_not_null', 'vaultcreationrequest', ['vault'], unique=False, postgresql_where='vault IS NOT NULL')
+    op.create_table('account',
+    sa.Column('chain', dexorder.database.column_types.Blockchain(), nullable=False),
+    sa.Column('address', sa.String(), nullable=False),
+    sa.Column('kind', sa.Enum('Admin', 'OrderFee', 'GasFee', 'FillFee', 'Execution', name='accountkind'), nullable=False),
+    sa.Column('balances', dexorder.database.column_types.Balances(astext_type=sa.Text()), server_default='{}', nullable=False),
+    sa.PrimaryKeyConstraint('chain', 'address')
+    )
+    op.create_index(op.f('ix_account_kind'), 'account', ['kind'], unique=False)
+
+    op.create_table('reconciliation',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('chain', dexorder.database.column_types.Blockchain(), nullable=False),
+    sa.Column('address', sa.String(), nullable=False),
+    sa.Column('accounting_id', sa.Integer(), nullable=False),
+    sa.Column('height', sa.Integer(), nullable=False),
+    sa.Column('balances', dexorder.database.column_types.Balances(astext_type=sa.Text()), server_default='{}', nullable=False),
+    sa.ForeignKeyConstraint(['chain', 'address'], ['account.chain', 'account.address'], ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_reconciliation_accounting_id'), 'reconciliation', ['accounting_id'], unique=False)
+    op.create_index(op.f('ix_reconciliation_address'), 'reconciliation', ['address'], unique=False)
+    op.create_index(op.f('ix_reconciliation_chain'), 'reconciliation', ['chain'], unique=False)
+    op.create_index(op.f('ix_reconciliation_height'), 'reconciliation', ['height'], unique=False)
+
+    op.create_table('tosacceptance',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('ipaddr', sa.String(), nullable=False),
+    sa.Column('time', sa.DateTime(), nullable=False),
+    sa.Column('version', sa.DateTime(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+
+
+
+def downgrade() -> None:
+    op.drop_table('tosacceptance')
+    op.drop_index(op.f('ix_reconciliation_height'), table_name='reconciliation')
+    op.drop_index(op.f('ix_reconciliation_chain'), table_name='reconciliation')
+    op.drop_index(op.f('ix_reconciliation_address'), table_name='reconciliation')
+    op.drop_index(op.f('ix_reconciliation_accounting_id'), table_name='reconciliation')
+    op.drop_table('reconciliation')
+    op.drop_index(op.f('ix_account_kind'), table_name='account')
+    op.drop_table('account')
+    op.drop_index('ix_vault_address_not_null', table_name='vaultcreationrequest', postgresql_where='vault IS NOT NULL')
+    op.drop_table('vaultcreationrequest')
+    op.drop_table('ofacalerts')
+    op.drop_table('ofac')
+    op.drop_index(op.f('ix_accounting_chain_id'), table_name='accounting')
+    op.drop_index(op.f('ix_accounting_account'), table_name='accounting')
+    op.drop_index(op.f('ix_accounting_token'), table_name='accounting')
+    op.drop_index(op.f('ix_accounting_time'), table_name='accounting')
+    op.drop_index(op.f('ix_accounting_subcategory'), table_name='accounting')
+    op.drop_index(op.f('ix_accounting_category'), table_name='accounting')
+    op.drop_table('accounting')
+    op.execute('drop type accountkind')  # enum type
+    op.execute('drop type accountingcategory')  # enum type
+    op.execute('drop type accountingsubcategory')  # enum type

alembic/versions/e47d1bca4b3d_sharedata.py

@@ -0,0 +1,30 @@
+"""sharedata
+
+Revision ID: e47d1bca4b3d
+Revises: 509010f13e8b
+Create Date: 2025-04-23 11:23:10.809341
+
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision: str = 'e47d1bca4b3d'
+down_revision: Union[str, None] = '509010f13e8b'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table('sharedata',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('data', postgresql.JSONB(astext_type=sa.Text()), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+
+
+def downgrade() -> None:
+    op.drop_table('sharedata')

bin/examine

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+kubectl port-forward postgres-0 5431:5432 &
+PF_PID=$!
+
+shutdown () {
+  kill $PF_PID
+  wait
+}
+
+trap shutdown INT TERM
+
+PYTHONPATH=src python -m dexorder.bin.examine rpc_url=arbitrum_dxod db_url=postgres://dexorder@localhost:5431/dexorder "$@"
+
+shutdown

conf/arb1/dexorder-arb1.toml

@@ -1,5 +1,20 @@
+rpc_url = 'arbitrum_dxod'
+ws_url = 'arbitrum_dxod_ws'
+archive_url = 'arbitrum_alchemy'
+concurrent_rpc_connections=8
+metrics_port=9090
 metadata = ''  # this setting approves no tokens
-account = '${accounts.gas}'
-rpc_url = '${rpc_urls.arbitrum_alchemy}'
-ws_url = '${rpc_urls.arbitrum_alchemy_ws}'
-concurrent_rpc_connections=100
+stablecoins = [
+    # in order of preference
+    '0xaf88d065e77c8cC2239327C5EDb3A432268e5831', # USDC
+    '0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9', # USDT
+    '0xFF970A61A04b1cA14834A43f5dE4533eBDDB5CC8', # USDC.e
+]
+
+quotecoins = [
+    # in order of preference
+    '0x2f2a2543B76A4166549F7aaB2e75Bef0aefC5B0f', # WBTC
+    '0x82aF49447D8a07e3bd95BD0d56f35241523fBab1', # WETH
+]
+
+nativecoin = '0x82aF49447D8a07e3bd95BD0d56f35241523fBab1' # WETH

conf/finaldata/dexorder-finaldata.toml

@@ -1,6 +1,8 @@
-rpc_url = '${rpc_urls.finaldata}'
+rpc_url = 'arbitrum_dxod'
+archive_url = 'finaldata'
 ws_url = ''
 redis_url = ''
 ohlc_dir = '/ohlc'
 walker_flush_interval=25
 concurrent_rpc_connections=9999
+pagerduty=''  # disable

conf/finaldata/logging-finaldata.toml

@@ -10,9 +10,15 @@ level='DEBUG'
 
 [handlers.console]
 class='logging.StreamHandler'
-formatter='notime'
+formatter='default'
 stream='ext://sys.stdout'
 
+[formatters.default]
+# https://docs.python.org/3/library/logging.html#logrecord-attributes
+format='%(asctime)s %(levelname)s %(name)s %(message)s'
+# https://docs.python.org/3/library/time.html#time.strftime
+datefmt='%Y-%m-%d %H:%M:%S'
+
 [formatters.notime]
 # https://docs.python.org/3/library/logging.html#logrecord-attributes
 format='%(levelname)s %(name)s %(message)s'

conf/mirrorprice/dexorder-mirrorprice.toml

@@ -1,5 +1,8 @@
 metadata='metadata.json'  # the Dockerfile will move metadata-finaldata.json into positon
-account = '${accounts.admin}'  # todo switch back to accounts.gas
+accounts = [
+    # dev account #4
+    '0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6', # 0x90F79bf6EB2c4f870365E785982E1f101E93b906
+]
 rpc_url = '${rpc_urls.arbsep_alchemy}'
 mirror_source_rpc_url='${rpc_urls.arbsep_alchemy}'
 

conf/mirrorprice/logging-mirrorprice.toml

@@ -10,9 +10,15 @@ level='DEBUG'
 
 [handlers.console]
 class='logging.StreamHandler'
-formatter='notime'
+formatter='default'
 stream='ext://sys.stdout'
 
+[formatters.default]
+# https://docs.python.org/3/library/logging.html#logrecord-attributes
+format='%(asctime)s %(levelname)s %(name)s %(message)s'
+# https://docs.python.org/3/library/time.html#time.strftime
+datefmt='%Y-%m-%d %H:%M:%S'
+
 [formatters.notime]
 # https://docs.python.org/3/library/logging.html#logrecord-attributes
 format='%(levelname)s %(name)s %(message)s'

conf/mock/.secret-mock.toml

@@ -1,6 +1,18 @@
-[accounts]
-
 [rpc_urls]
 local='http://localhost:8545'
 local_ws='ws://localhost:8545'
 arbitrum_alchemy='https://arb-mainnet.g.alchemy.com/v2/opbIf1mSo9GMXLhA1a4nhwtEzscgGdhW'
+
+accounts = [
+    # these are the first ten dev accounts in anvil/hardhat
+#    '0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80', # 0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
+#    '0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b6b78690d', # 0x70997970C51812dc3A010C7d01b50e0d17dc79C8
+#    '0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a', # 0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC
+#    '0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6', # 0x90F79bf6EB2c4f870365E785982E1f101E93b906
+#    '0x47e179ec197488593b187f80a00eb0da91f1b9d0b13f8733639f19c30a34926a', # 0x15d34AAf54267DB7D7c367839AAf71A00a2C6A65
+    '0x8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba', # 0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc
+    '0x92db14e403b83dfe3df233f83dfa3a0d7096f21ca9b0d6d6b8d88b2b4ec1564e', # 0x976EA74026E726554dB657fA54763abd0C3a0aa9
+#    '0x4bbbf85ce3377467afe5d46f804f221813b2bb87f24d81f60f1fcdbf7cbf4356', # 0x14dC79964da2C08b23698B3D3cc7Ca32193d9955
+#    '0xdbda1821b80551c9d65939329250298aa3472ba22feea921c0cf5d620ea67b97', # 0x23618e81E3f5cdF7f54C3d65f7FBc0aBf5B21E8f
+#    '0x2a871d0798f97d79848a013d4936a73bf4cc922c825d33c1cf7073dff6d409c6', # 0xa0Ee7A142d267C1f36714E4a8F75612F20a79720
+]

conf/mock/dexorder-mock.toml

@@ -1,3 +1,2 @@
-account='test1'
 rpc_url='local'
 ws_url='local_ws'

requirements-lock.txt

@@ -1,20 +1,24 @@
-aiohttp==3.9.5
+aiohappyeyeballs==2.4.3
+aiohttp==3.11.13
 aiosignal==1.3.1
-alembic==1.13.3
+alembic==1.15.1
 annotated-types==0.7.0
 antlr4-python3-runtime==4.9.3
 asn1crypto==1.5.1
 async-lru==2.0.4
 attrs==23.2.0
 bip-utils==2.9.3
-bitarray==2.9.2
-cachetools==5.5.0
+bitarray==3.1.1
+cachetools==5.5.2
+cattrs==24.1.2
 cbor2==5.6.4
 certifi==2024.2.2
 cffi==1.16.0
-charset-normalizer==3.3.2
+charset-normalizer==3.4.1
 ckzg==1.0.2
+click==8.1.8
 coincurve==20.0.0
+coremltools==8.2
 crcmod==1.7
 cytoolz==0.12.3
 defaultlist==1.0.0
@@ -22,64 +26,115 @@ durationpy==0.9
 ecdsa==0.19.0
 ed25519-blake2b==1.4.1
 eth-account==0.11.3
-eth-bloom==3.0.1
+eth-bloom==3.1.0
 eth-hash==0.7.0
 eth-keyfile==0.8.1
-eth-keys==0.5.1
+eth-keys==0.6.1
 eth-rlp==1.0.1
 eth-typing==4.4.0
 eth-utils==4.1.1
-eth_abi==5.1.0
+eth_abi==5.2.0
+filelock==3.17.0
 frozenlist==1.4.1
+fsspec==2025.2.0
 google-auth==2.35.0
 greenlet==3.0.3
 hexbytes==0.3.1
 hiredis==3.0.0
 idna==3.7
+imageio==2.37.0
+importlib_resources==6.5.2
+Jinja2==3.1.6
+joblib==1.4.2
 jsonschema==4.21.1
 jsonschema-specifications==2023.12.1
+kraken==5.3.0
 kubernetes==31.0.0
+lazy_loader==0.4
+lightning==2.4.0
+lightning-utilities==0.14.0
 lru-dict==1.2.0
+lxml==5.3.1
 Mako==1.3.3
+markdown-it-py==3.0.0
 MarkupSafe==2.1.5
+mdurl==0.1.2
+mpmath==1.3.0
 msgpack-python==0.5.6
 multidict==6.0.5
-numpy==2.1.2
+networkx==3.4.2
+numpy==2.0.2
+nvidia-cublas-cu12==12.1.3.1
+nvidia-cuda-cupti-cu12==12.1.105
+nvidia-cuda-nvrtc-cu12==12.1.105
+nvidia-cuda-runtime-cu12==12.1.105
+nvidia-cudnn-cu12==9.1.0.70
+nvidia-cufft-cu12==11.0.2.54
+nvidia-curand-cu12==10.3.2.106
+nvidia-cusolver-cu12==11.4.5.107
+nvidia-cusparse-cu12==12.1.0.106
+nvidia-nccl-cu12==2.20.5
+nvidia-nvjitlink-cu12==12.8.93
+nvidia-nvtx-cu12==12.1.105
 oauthlib==3.2.2
 omegaconf==2.3.0
-orjson==3.10.7
+orjson==3.10.15
+packaging==24.2
+pagerduty==1.0.0
 parsimonious==0.10.0
-pdpyras==5.3.0
+pillow==11.1.0
+prometheus_client==0.21.1
+propcache==0.2.0
 protobuf==5.26.1
-psycopg2-binary==2.9.9
+psycopg2-binary==2.9.10
 py-sr25519-bindings==0.2.0
+pyaml==25.1.0
+pyarrow==19.0.1
 pyasn1==0.6.1
 pyasn1_modules==0.4.1
 pycparser==2.22
 pycryptodome==3.20.0
 pydantic==2.9.2
 pydantic_core==2.23.4
+Pygments==2.19.1
 PyNaCl==1.5.0
+python-bidi==0.6.6
 python-dateutil==2.9.0.post0
+pytorch-lightning==2.5.0.post0
+pytz==2025.1
 pyunormalize==15.1.0
 PyYAML==6.0.1
-redis==5.1.1
+redis==5.2.1
 referencing==0.35.0
 regex==2024.4.28
-requests==2.31.0
+requests==2.32.3
 requests-oauthlib==2.0.0
+rich==13.9.4
 rlp==4.0.1
 rpds-py==0.18.0
 rsa==4.9
+scikit-image==0.24.0
+scikit-learn==1.5.2
+scipy==1.13.1
+setuptools==75.8.2
+shapely==2.0.7
 six==1.16.0
 socket.io-emitter==0.1.5.1
 sortedcontainers==2.4.0
-SQLAlchemy==2.0.35
+SQLAlchemy==2.0.38
+sympy==1.13.3
+threadpoolctl==3.5.0
+tifffile==2025.2.18
 toolz==0.12.1
+torch==2.4.1
+torchmetrics==1.6.2
+torchvision==0.19.1
+tqdm==4.67.1
+triton==3.0.0
 types-requests==2.32.0.20240914
-typing_extensions==4.11.0
+typing_extensions==4.12.2
 urllib3==2.2.1
-web3==6.20.3
+web3==6.20.4
 websocket-client==1.8.0
 websockets==13.1
-yarl==1.9.4
+yarl==1.17.2

requirements.txt

@@ -1,7 +1,7 @@
 sqlalchemy
 alembic
 omegaconf
-web3
+web3<7
 psycopg2-binary
 orjson
 sortedcontainers
@@ -21,10 +21,13 @@ eth-keys
 eth-account
 eth-utils
 eth-typing
-pdpyras  # pagerduty
+pagerduty
 numpy
 bitarray
 typing_extensions
 requests
 aiohttp
 charset-normalizer
+pytz
+prometheus_client
+krakenex

src/dexorder/__init__.py

@@ -3,13 +3,14 @@ import logging
 from contextvars import ContextVar
 from datetime import datetime, timezone
 from decimal import Decimal
-from typing import Callable, Any
+from typing import Callable, Any, Union, Optional
 
 from web3 import AsyncWeb3
 
 order_log = logging.getLogger('dexorder.order.log')
 
 dec = Decimal
+
 def now():
     return datetime.now(timezone.utc)
 
@@ -34,13 +35,16 @@ class _Token:
     def __repr__(self): return self.__token_name
     def __str__(self): return self.__token_name
 
-class _FalseToken (_Token):
+class _FalseyToken (_Token):
     def __bool__(self): return False
 
 
-NARG = _FalseToken('NARG')
-DELETE = _FalseToken('DELETE') # used as a value token to indicate removal of the key
+NARG = _FalseyToken('NARG')
+DELETE = _FalseyToken('DELETE') # used as a value token to indicate removal of the key
 ADDRESS_0 = '0x0000000000000000000000000000000000000000'
+NATIVE_TOKEN = '0x0000000000000000000000000000000000000001'  # We use 0x01 to indicate the use of native ETH wherever a token address is normally required
+USD_FIAT = '0x0000000000000000000000000000000000000055'  # We use 0x55 (ASCII 'U') to indicate the use of fiat USD
+CHAIN_ID_OFFCHAIN = -1
 WEI  = 1
 GWEI = 1_000_000_000
 ETH  = 1_000_000_000_000_000_000
@@ -55,7 +59,7 @@ _cwd() # do this first so that config has the right current working directory
 
 # ordering here is important!
 from .base.chain import Blockchain # the singletons are loaded into the dexorder.blockchain.* namespace
-from .util import async_yield
+from .util import async_yield, json
 from .base.fixed import Fixed2, FixedDecimals, Dec18
 from .configuration import config
 from .base.account import Account

src/dexorder/accounting/__init__.py

@@ -0,0 +1 @@
+from .accounting import *

src/dexorder/accounting/accounting.py

@@ -0,0 +1,321 @@
+import asyncio
+import logging
+from typing import Union
+
+from sqlalchemy import select, func, text
+from typing_extensions import Optional
+from web3.exceptions import ContractLogicError
+from web3.types import EventData
+
+from dexorder import db, dec, NATIVE_TOKEN, from_timestamp, config, ADDRESS_0, now, Account, metric
+from dexorder.base import TransactionReceiptDict
+from dexorder.base.chain import current_chain
+from dexorder.blocks import get_block_timestamp, get_block, current_block
+from dexorder.contract import ContractProxy
+from dexorder.contract.dexorder import get_factory_contract, get_mirrorenv, get_mockenv
+from dexorder.database.model.accounting import AccountingSubcategory, Accounting, AccountingCategory, AccountKind, \
+    DbAccount, Reconciliation
+from dexorder.feemanager import FeeManager
+from dexorder.pools import mark_to_market, pool_prices, get_pool, add_mark_pool, quotes
+from dexorder.tokens import adjust_decimals as adj_dec, get_token, get_balance
+from dexorder.util import hexstr
+
+log = logging.getLogger(__name__)
+
+accounting_initialized = False
+
+_tracked_addrs = set()
+
+def is_tracked_address(addr: str) -> bool:
+    return addr in _tracked_addrs
+
+
+class ReconciliationException(Exception):
+    pass
+
+
+def initialize_accounting():
+    global accounting_initialized
+    if not accounting_initialized:
+        load_accounts_cache()
+        accounting_initialized = True
+
+
+async def initialize_accounting_runner():
+    global accounting_initialized
+    if not accounting_initialized:
+        await _initialize_mark_to_market()  # set up mark-to-market first, so accounts can value their initial balances
+        await _initialize_accounts()
+        load_accounts_cache()
+        accounting_initialized = True
+        log.info(f'accounting initialized\n\tstablecoins: {config.stablecoins}\n\tquotecoins: {config.quotecoins}\n\tnativecoin: {config.nativecoin}')
+
+
+async def _initialize_accounts():
+    # Since this is called by top-level main functions outside the Runner, we trigger an explicit db commit/rollback
+    try:
+        # noinspection PyStatementEffect
+        await _initialize_accounts_2()
+        db.session.commit()
+    except:
+        db.session.rollback()
+        raise
+
+
+async def _initialize_accounts_2():
+    fm = await FeeManager.get()
+    of_account = ensure_account(fm.order_fee_account_addr, AccountKind.OrderFee)
+    gf_account = ensure_account(fm.gas_fee_account_addr, AccountKind.GasFee)
+    ff_account = ensure_account(fm.fill_fee_account_addr, AccountKind.FillFee)
+    exe_accounts = [ensure_account(account.address, AccountKind.Execution) for account in Account.all()]
+    if current_chain.get().id in [1337, 31337]:
+        log.debug('adjusting debug account balances')
+        await asyncio.gather(
+            *map(adjust_balance, (of_account, gf_account, ff_account, *exe_accounts))
+        )
+
+
+def load_accounts_cache(*, chain=None):
+    if chain is None:
+        chain = current_chain.get()
+    for db_account in db.session.execute(select(DbAccount).where(DbAccount.chain==chain)).scalars():
+        _tracked_addrs.add(db_account.address)
+        log.info(f'tracking account {db_account.chain.id} {db_account.address}')
+
+
+async def _initialize_mark_to_market():
+    quotes.clear()
+    quotes.extend(config.stablecoins)
+    quotes.extend(config.quotecoins)
+    if not quotes and current_chain.get().id in [1337, 31337]:
+        weth = meh = usdc = usxd = None
+        mirror = get_mirrorenv()
+        if mirror is not None:
+            num_tokens = await mirror.numTokens()
+            for i in range(num_tokens):
+                try:
+                    token_key = await mirror.tokenKeys(i)
+                except ContractLogicError:
+                    break
+                else:
+                    mirror_token = await mirror.tokens(token_key)
+                    token = await get_token(mirror_token)
+                    log.info(f'found mirror token {token["symbol"]} {mirror_token}')
+                    if token['symbol'] == 'WETH':
+                        weth = mirror_token
+                    elif token['symbol'] == 'USDC':
+                        usdc = mirror_token
+
+        mock = get_mockenv()
+        if mock is not None:
+            meh = await mock.COIN()
+            usxd = await mock.USD()
+
+        config.stablecoins = [t for t in (usdc, usxd) if t is not None]
+        config.quotecoins = [t for t in (weth, meh) if t is not None]
+        if not config.nativecoin:
+            config.nativecoin = weth if weth is not None else meh if meh is not None else None
+    elif not config.nativecoin:
+        factory = get_factory_contract()
+        impl_addr = await factory.implementation()
+        wrapper = await ContractProxy(impl_addr, 'Vault').wrapper()
+        if wrapper != ADDRESS_0:
+            log.info(f'Detected native coin wrapper {wrapper}')
+            config.nativecoin = wrapper
+    quotes.clear()
+    quotes.extend(config.stablecoins)
+    quotes.extend(config.quotecoins)
+    for addr in pool_prices.keys():
+        pool = await get_pool(addr)
+        add_mark_pool(addr, pool['base'], pool['quote'], pool['fee'])
+
+
+def ensure_account(addr: str, kind: AccountKind, *, chain=None) -> DbAccount:
+    if chain is None:
+        chain = current_chain.get()
+    found = db.session.get(DbAccount, (chain, addr))
+    if found:
+        if found.kind != kind:
+            log.warning(f'Account {addr} has wrong kind {found.kind} != {kind}')
+            # found.kind = kind
+            db.session.add(found)
+            _tracked_addrs.add(found.address)
+    else:
+        found = DbAccount(chain=chain, address=addr, kind=kind, balances={})
+        db.session.add(found)
+        _tracked_addrs.add(found.address)
+    return found
+
+
+async def handle_feeaccountschanged(fee_accounts: EventData):
+    try:
+        order_fee_account_addr = fee_accounts['args']['orderFeeAccount']
+        gas_fee_account_addr = fee_accounts['args']['gasFeeAccount']
+        fill_fee_account_addr = fee_accounts['args']['fillFeeAccount']
+    except KeyError:
+        log.warning(f'Could not parse FeeAccountsChanged {fee_accounts}')
+        return
+    fm = await FeeManager.get()
+    fm.order_fee_account_addr = order_fee_account_addr
+    fm.gas_fee_account_addr = gas_fee_account_addr
+    fm.fill_fee_account_addr = fill_fee_account_addr
+    await _initialize_accounts_2()
+
+
+async def accounting_transfer(receipt: TransactionReceiptDict, token: str,
+                              sender: str, receiver: str, amount: Union[dec,int], adjust_decimals=True):
+    block_hash = hexstr(receipt['blockHash'])
+    tx_id = hexstr(receipt['transactionHash'])
+    await asyncio.gather(
+        accounting_transaction_gas(receipt),
+        add_accounting_entry_m2m(sender, block_hash, tx_id, AccountingCategory.Transfer, None,
+                                 token, -amount, receiver, adjust_decimals=adjust_decimals),
+        add_accounting_entry_m2m(receiver, block_hash, tx_id, AccountingCategory.Transfer, None,
+                                 token, amount, sender, adjust_decimals=adjust_decimals),
+    )
+
+
+async def accounting_transaction_gas(receipt: TransactionReceiptDict, subcategory: AccountingSubcategory = AccountingSubcategory.TransactionGas):
+    """ Accounts for the gas spent on the given transaction """
+    amount = dec(receipt['gasUsed']) * dec(receipt['effectiveGasPrice'])
+    await add_accounting_entry_m2m(receipt['from'],
+                                   hexstr(receipt['blockHash']), hexstr(receipt['transactionHash']),
+                                   AccountingCategory.Expense, subcategory, NATIVE_TOKEN, -amount
+                                   )
+
+
+async def accounting_placement(order_placed: EventData):
+    block_hash = hexstr(order_placed['blockHash'])
+    tx_id = hexstr(order_placed['transactionHash'])
+    try:
+        order_fee = int(order_placed['args']['orderFee'])
+        gas_fee = int(order_placed['args']['gasFee'])
+    except KeyError:
+        log.warning(f'Rogue DexorderPlacedEvent in tx {hexstr(tx_id)}')
+        return
+    fm = await FeeManager.get()
+    await add_accounting_entry_m2m(fm.order_fee_account_addr, block_hash, tx_id, AccountingCategory.Income,
+                                   AccountingSubcategory.OrderFee, NATIVE_TOKEN, order_fee)
+    await add_accounting_entry_m2m(fm.gas_fee_account_addr, block_hash, tx_id, AccountingCategory.Income,
+                                   AccountingSubcategory.GasFee, NATIVE_TOKEN, gas_fee)
+
+
+async def accounting_fill(fill: EventData, out_token: str) -> dec:
+    """
+    Returns the mark-to-market USD value of the transaction.
+    """
+    block_hash = hexstr(fill['blockHash'])
+    tx_id = hexstr(fill['transactionHash'])
+    fee = int(fill['args']['fillFee'])
+    fm = await FeeManager.get()
+    return await add_accounting_entry_m2m(fm.fill_fee_account_addr, block_hash, tx_id, AccountingCategory.Income,
+                                          AccountingSubcategory.FillFee, out_token, fee)
+
+
+async def add_accounting_entry_m2m(account: str, block_hash: Optional[str], tx_id: Optional[str], category, subcategory, token, amount, note=None,
+                                   *, adjust_decimals=True) -> dec:
+    """
+    Returns the mark-to-market USD value of the entry.
+    """
+    if amount == 0:
+        return dec(0)
+    # Adjust database account if it exists
+    if not is_tracked_address(account):
+        return dec(0)
+    if adjust_decimals:
+        amount = await adj_dec(token, amount)
+    # noinspection PyTypeChecker
+    time = now() if block_hash is None else from_timestamp(await get_block_timestamp(block_hash))
+    value = mark_to_market(token, amount)
+    log.debug(f'accounting row {time} {account} {category} {subcategory} {token} {amount} ${value}')
+    chain_id = current_chain.get().id
+    add_accounting_entry(chain_id, account, time, category, subcategory, token, amount, value, tx_id, note)
+    return value
+
+
+def add_accounting_entry(chain_id, account, time, category, subcategory, token, amount, value=None, tx_id=None, note=None):
+    if not is_tracked_address(account):
+        return
+    db.session.add(Accounting(account=account,
+                              time=time, category=category, subcategory=subcategory,
+                              token=token, amount=amount, value=value, note=note,
+                              chain_id=chain_id, tx_id=tx_id,
+                              ))
+    account_db = db.session.get(DbAccount, (current_chain.get(), account))
+    new_amount = account_db.balances.get(token, dec(0)) + amount
+    if new_amount < 0:
+        log.error(
+            f'negative balance for account {account} when applying accounting row {time} {category} {subcategory} {token} {amount} ${value}')
+    account_db.balances[token] = new_amount
+    db.session.add(account_db)  # deep changes would not be detected by the ORM
+    db.session.flush()
+
+
+async def adjust_balance(account: DbAccount, token=NATIVE_TOKEN, subcategory=AccountingSubcategory.InitialBalance, note=None):
+    true_balance = await get_balance(account.address, token)
+    amount = true_balance - account.balances.get(token, dec(0))
+    await add_accounting_entry_m2m(account.address, None, None, AccountingCategory.Special, subcategory, NATIVE_TOKEN, amount, note, adjust_decimals=False)
+
+
+async def accounting_reconcile(account: DbAccount, block_id: Optional[str] = None, last_accounting_row_id: Optional[int] = None):
+    # Fetch the latest reconciliation for the account
+    latest_recon = db.session.execute(
+        select(Reconciliation).where(
+            Reconciliation.account == account
+        ).order_by(Reconciliation.accounting_id.desc()).limit(1)
+    ).scalar_one_or_none()
+    first_accounting_row_id = latest_recon.accounting_id+1 if latest_recon else None
+
+    # Retrieve the end height corresponding to the block_id
+    block = await get_block(block_id) if block_id else current_block.get()
+    chain_id = current_chain.get().id
+
+    balances = dict(latest_recon.balances) if latest_recon else {}
+
+    # Retrieve all accounting rows for this account within the reconciliation period
+    accounting_query = select(Accounting).where(
+        Accounting.chain_id == chain_id,
+        Accounting.account == account.address,
+    )
+    if first_accounting_row_id is not None:
+        accounting_query = accounting_query.where(Accounting.id >= first_accounting_row_id)
+    if last_accounting_row_id is not None:
+        accounting_query = accounting_query.where(Accounting.id <= last_accounting_row_id)
+    accounting_query = accounting_query.order_by(Accounting.id)
+    accounting_rows = db.session.execute(accounting_query).scalars().all()
+
+    if last_accounting_row_id is None:
+        last_accounting_row_id = db.session.execute(select(func.max(Accounting.id))).scalar_one_or_none()
+        if last_accounting_row_id is None:
+            log.warning("No records found in the Accounting table")
+            return
+
+    # Update balances using accounting rows
+    for row in accounting_rows:
+        balances[row.token] = balances.get(row.token, dec(0)) + row.amount
+
+    # Verify balances with the stored DbAccount balances
+    for token, balance in balances.items():
+        db_balance = account.balances.get(token, dec(0))
+        if balance != db_balance:
+            raise ReconciliationException(
+                f"DB mismatch in balances for account {account.address} token {token}: accounting={balance} db={db_balance}"
+            )
+        on_chain_balance = await get_balance(account.address, token)
+        if balance != on_chain_balance:
+            raise ReconciliationException(
+                f"Blockchain mismatch for account {account.address} token {token}: accounting={balances[token]} on-chain={on_chain_balance}"
+            )
+
+    # Create a new reconciliation record
+    new_recon = Reconciliation(
+        chain = current_chain.get(),
+        address=account.address,
+        accounting_id=last_accounting_row_id,
+        height=block.height,
+        balances=balances,
+    )
+    db.session.add(new_recon)
+    db.session.commit()
+    log.info(f'reconciled account {account.address} at height {block.height}')
+

src/dexorder/accounting/kraken.py

@@ -0,0 +1,65 @@
+import logging
+import tempfile
+from dataclasses import dataclass
+from typing import Optional
+
+import krakenex
+
+from dexorder import timestamp
+from dexorder.bin.executable import execute
+
+log = logging.getLogger(__name__)
+
+kraken_api_key=r'HqPHnGsAHunFtaP8YZTFsyh+LauVrcgFHi/US+RseR/4DiT+NG/JpONV'
+kraken_api_secret=r'4hvdMdaN5TlNlyk2PShdRCsOE/T4sFzeBrR7ZjC+LUGuAXhBehY8vvWDZSUSyna2OFeOJ9GntPvyXOhrpx70Bg=='
+
+kraken = krakenex.API()
+
+
+# start and end should be timestamps or datetimes. inclusiveness is [start,end) as usual
+def kraken_get_ledger(start=None, end=None):
+    entries = []
+    offset=1  # 1-based ffs
+    if start:
+        start = timestamp(start) - 1 # kraken start is EXCLUSIVE for some reason
+    if end:
+        end = timestamp(end) - 1 # kraken end is INCLUSIVE. :/
+    while True:
+        kl = kraken.query_private('Ledgers', {'start':start, 'end':end, 'ofs':offset})
+        print(repr(kl))
+        break
+        if kl.empty:
+            break
+        for t in kl.itertuples():
+            print(t)
+        # noinspection PyShadowingBuiltins
+        offset += len(kl)
+    return entries
+
+
+@dataclass
+class KrakenConfig:
+    kraken_api_key: Optional[str] = None
+    kraken_api_secret: Optional[str] = None
+    kraken_start: Optional[str]= None # timestamp or date
+    kraken_end: Optional[str] = None # timestamp or date
+
+async def main(kconfig: KrakenConfig):
+    load_kraken_key(kconfig)
+    kraken_get_ledger()
+
+
+def load_kraken_key(kconfig):
+    temp = tempfile.NamedTemporaryFile()
+    if not kconfig.kraken_api_key or not kconfig.kraken_api_secret:
+        log.error("Must set kraken_api_key= and kraken_api_secret= on the command line")
+        exit(1)
+    temp.write(kconfig.kraken_api_key.encode())
+    temp.write(b'\n')
+    temp.write(kconfig.kraken_api_secret.encode())
+    temp.write(b'\n')
+    kraken.load_key(temp.name)
+
+
+if __name__ == '__main__':
+    execute(main, parse_args=KrakenConfig)

src/dexorder/addrmeta.py

@@ -19,7 +19,9 @@ class AddressMetadata (TypedDict):
 
 
 def save_addrmeta(address: str, meta: AddressMetadata):
-    if meta['type'] == 'Token':
+    if meta is None:
+        pass
+    elif meta['type'] == 'Token':
         meta: OldTokenDict
         updated = Token.load(meta)
         token = db.session.get(Token, (current_chain.get().id, address))

src/dexorder/alert.py

@@ -1,30 +1,33 @@
 import logging
 import socket
 
-import pdpyras
+import pagerduty
 
 from dexorder import NARG, config
 
 log = logging.getLogger(__name__)
 
 
-def alert(title, message, dedup_key=NARG, log_level=logging.ERROR, do_log=True):
+def alert(title, message, dedup_key=NARG, log_level=logging.ERROR, do_log=True, severity='critical'):
     if dedup_key is NARG:
-        dedup_key = str(hash(title + '|' + message))
+        dedup_key = str(hash(title))
     if do_log:
         msg = f'{title}: {message}'
         log.log(log_level, msg)  # if log_level=CRITICAL for example, make sure this does not re-alert!
-    alert_pagerduty(title, message, dedup_key, log_level)
+    alert_pagerduty(title, message, dedup_key, severity)
 
 
 def warningAlert(title, message, dedup_key=NARG, log_level=logging.WARNING):
-    return alert(title, message, dedup_key, log_level)
+    return alert(title, message, dedup_key, log_level, severity='warning')
+
+def infoAlert(title, message, dedup_key=NARG, log_level=logging.INFO):
+    return alert(title, message, dedup_key, log_level, severity='info')
 
 
 pagerduty_session = None
 hostname = None
 
-def alert_pagerduty(title, message, dedup_key, log_level):
+def alert_pagerduty(title, message, dedup_key, severity):
     if not config.pagerduty:
         return
     # noinspection PyBroadException
@@ -32,10 +35,9 @@ def alert_pagerduty(title, message, dedup_key, log_level):
         global pagerduty_session
         global hostname
         if pagerduty_session is None:
-            pagerduty_session = pdpyras.EventsAPISession(config.pagerduty)
+            pagerduty_session = pagerduty.EventsApiV2Client(config.pagerduty)
             hostname = socket.gethostname()
-        sev = 'error' if log_level >= logging.ERROR else 'warning'
-        pagerduty_session.trigger(title, hostname, severity=sev, custom_details={'message': message}, dedup_key=dedup_key)
+        pagerduty_session.trigger(title, hostname, severity=severity, custom_details={'message': message}, dedup_key=dedup_key, payload=dict(severity=severity))
     except Exception:
         log.warning('Could not notify PagerDuty!', exc_info=True)
 

src/dexorder/base/__init__.py

@@ -1,5 +1,6 @@
+from abc import abstractmethod
 from dataclasses import dataclass
-from typing import TypedDict, Union, Type
+from typing import TypedDict, Union, Type, Any, Callable
 
 Address = str
 Quantity = Union[str,int]
@@ -13,8 +14,16 @@ class TransactionRequest:
     """
     type: str
 
+    def __init__(self, type: str, key: Any):
+        """
+        key is used to deduplicate requests
+        """
+        self.type = type
+        self.key = key
+
+
 # subclasses of TransactionRequest must register their type code here so the appropriate dataclass may be constructed
-transaction_request_registry: dict[str, Type[TransactionRequest]] = {}
+transaction_request_deserializers: dict[str, Callable[[...],TransactionRequest]] = {}
 
 
 TransactionDict = TypedDict( 'TransactionDict', {

src/dexorder/base/account.py

@@ -1,81 +1,114 @@
-from contextvars import ContextVar
-from typing import Union, Optional
+import asyncio
+import logging
+from typing import Optional
 
 import eth_account
 from eth_account.signers.local import LocalAccount
 from web3.middleware import construct_sign_and_send_raw_middleware
 
-from dexorder import NARG, config, current_w3
+from dexorder import config, current_w3, metric
+from dexorder.base.chain import current_chain
+
+log = logging.getLogger(__name__)
 
 
 # this is just here for typing the extra .name.  the __new__() function returns an eth_account...LocalAccount
 # we do it this way because web3py expects a LocalAccount object but we cannot construct one directly with a super()
 # call but must instead use a factory :(
 class Account (LocalAccount):
+    _main_account = None
+    _pool = None
+    _all = []
 
     @staticmethod
-    def get_named(account_name: str) -> Optional['Account']:
-        account = config.accounts.get(account_name)
-        return Account.get(account) if account else Account.get()
+    def all():
+        Account._init_pool()
+        return Account._all
 
     @staticmethod
-    # noinspection PyInitNewSignature
-    def get(account:[Union,str]=NARG) -> Optional['Account']:
-        if account is NARG:
-            account = config.account
-        if type(account) is not str:
-            return account
+    def get():
+        """
+        Always returns the main account, even if it's busy.
+        """
+        Account._init_pool()
+        return Account._main_account
 
-        key_str = config.accounts.get(account, account)
+    @staticmethod
+    async def acquire():
+        """
+        MUST call account.release() after the transaction has completed, to return this Account to the available pool.
+        """
+        Account._init_pool()
+        # log.debug(f'available accounts: {Account._pool.qsize()}')
         try:
-            local_account = eth_account.Account.from_key(key_str)
-            return Account(local_account, key_str, account)
-        except ValueError:
-            try:
-                # was the key missing a leading '0x'?
-                fixed = '0x' + key_str
-                local_account = eth_account.Account.from_key(fixed)
-                print(f'WARNING: account "{account}" is missing a leading "0x"')
-                return Account(local_account, fixed, account)
-            except ValueError:
-                pass
-            try:
-                # was the key an integer posing as a string?
-                converted = f'{int(key_str):#0{66}x}'
-                local_account = eth_account.Account.from_key(converted)
-                print(f'WARNING: account "{account}" is set as an integer instead of a string. Converted to: {converted}')
-                return Account(local_account, converted, account)
-            except ValueError:
-                pass
-            raise ValueError(f'Could not construct account for name "{account}"')
+            async with asyncio.timeout(1):
+                result: "Account" = await Account._pool.get()
+        except asyncio.TimeoutError:
+            log.error('waiting for an available account')
+            result = await Account._pool.get()
+        # mark as out of pool
+        result._in_pool = False
+        metric.account_available.set(Account._pool.qsize())
+        return result
 
-    def __init__(self, local_account: LocalAccount, key_str, name: str): # todo chain_id?
-        super().__init__(local_account._key_obj, local_account._publicapi) # from digging into the source code
-        self.name = name
-        self.key_str = key_str
+    @staticmethod
+    def _init_pool():
+        if Account._pool is None:
+            Account._pool = asyncio.Queue()
+            for key in config.accounts:
+                local_account = eth_account.Account.from_key(key)
+                account = Account(local_account)
+                if Account._main_account is None:
+                    Account._main_account = account
+                Account._pool.put_nowait(account)
+                account._in_pool = True  # this account is now in the pool
+                Account._all.append(account)
+            metric.account_available.set(Account._pool.qsize())
+            metric.account_total.set(len(Account._all))
+            log.info(f'Account pool {[a.address for a in Account._all]}')
+
+    def __init__(self, local_account: LocalAccount):  # todo chain_id?
+        super().__init__(local_account._key_obj, local_account._publicapi)  # from digging into the source code
+        self.chain_id = current_chain.get().id
         self.signing_middleware = construct_sign_and_send_raw_middleware(self)
         self._nonce: Optional[int] = None
+        self.tx_id: Optional[str] = None  # current transaction id
+        # release() idempotency tracking
+        self._in_pool: bool = False
 
     async def next_nonce(self):
         if self._nonce is None:
             self._nonce = await current_w3.get().eth.get_transaction_count(self.address, 'pending')
+            log.debug(f'queried nonce for account {self.address}: {self._nonce}')
         else:
             self._nonce += 1
         return self._nonce
 
-    def attach(self, w3):
-        w3.eth.default_account = self.address
-        try:
-            w3.middleware_onion.remove('account_signer')
-        except ValueError:
-            pass
-        w3.middleware_onion.add(self.signing_middleware, 'account_signer')
+    def reset_nonce(self):
+        self._nonce = None
 
     def balance(self):
         return current_w3.get().eth.get_balance(self.address)
 
+    def release(self):
+        """
+        Return this Account to the pool.
+
+        Idempotent: calling release() multiple times without a new acquire()
+        will only enqueue the account once.
+        """
+        # If we're already in the pool, do nothing.
+        if self._in_pool:
+            # Optional debug log; comment out if too noisy.
+            # log.debug(f'Account {self.address} already in pool; ignoring extra release()')
+            return
+
+        Account._pool.put_nowait(self)
+        self._in_pool = True
+        metric.account_available.set(Account._pool.qsize())
+
     def __str__(self):
-        return self.name
+        return self.address
 
-
-current_account: ContextVar[Optional[Account]] = ContextVar('current_account', default=Account.get())
+    def __hash__(self):
+        return

src/dexorder/base/chain.py

@@ -1,6 +1,5 @@
-import logging
 from contextvars import ContextVar
-from datetime import datetime, timezone
+from datetime import datetime
 
 import dexorder
 
@@ -36,6 +35,9 @@ class Blockchain:
     def __str__(self):
         return self.name
 
+    def __hash__(self):
+        return self.id
+
     _instances_by_id = {}
     _instances_by_name = {}
 

src/dexorder/base/orderlib.py

@@ -4,7 +4,7 @@ from dataclasses import dataclass
 from enum import Enum
 from typing import Optional
 
-from dexorder import timestamp
+from dexorder import timestamp, from_timestamp
 from dexorder.util import hexbytes
 from dexorder.util.convert import decode_IEEE754
 
@@ -250,6 +250,26 @@ class ElaboratedSwapOrderStatus:
     def copy(self):
         return copy.deepcopy(self)
 
+    def __str__(self):
+        msg = f'''
+SwapOrder
+    status: {self.state.name}
+    in: {self.order.tokenIn}
+    out: {self.order.tokenOut}
+    exchange: {self.order.route.exchange.name, self.order.route.fee}
+    amount: {"input" if self.order.amountIsInput else "output"} {self.filledIn if self.order.amountIsInput else self.filledOut}/{self.order.amount}{" to owner" if self.order.outputDirectlyToOwner else ""}
+    minFill: {self.order.minFillAmount}
+    inverted: {self.order.inverted}
+    tranches:
+'''
+        for i in range(len(self.trancheStatus)):
+            tranche = self.order.tranches[i]
+            ts = self.trancheStatus[i]
+            msg += f'        {tranche}\n'
+            for fill in ts.fills:
+                msg += f'            {fill}\n'
+        return msg
+
 
 NO_OCO = 18446744073709551615 # max uint64
 
@@ -263,6 +283,9 @@ DISTANT_FUTURE = 4294967295 # max uint32
 
 MAX_FRACTION = 65535 # max uint16
 
+MIN_SLIPPAGE = 0.0001  # one bip
+MIN_SLIPPAGE_EPSILON = 0.000000000003
+
 
 @dataclass
 class Tranche:
@@ -344,7 +367,7 @@ class Tranche:
         )
 
     def __str__(self):
-        msg = f'{self.fraction/MAX_FRACTION:.1%} {"start+" if self.startTimeIsRelative else ""}{self.startTime} to {"start+" if self.startTimeIsRelative else ""}{self.endTime}'
+        msg = f'{self.fraction/MAX_FRACTION:.1%} {"start+" if self.startTimeIsRelative else ""}{from_timestamp(self.startTime)} to {"start+" if self.startTimeIsRelative else ""}{from_timestamp(self.endTime)}'
         if self.marketOrder:
             # for marketOrders, minLine.intercept is the slippage
             msg += f' market order slippage {self.minLine.intercept:.2%}'
@@ -352,11 +375,11 @@ class Tranche:
             if self.minLine.intercept or self.minLine.slope:
                 msg += f' >{self.minLine.intercept:.5g}'
                 if self.minLine.slope:
-                    msg += f'{self.minLine.slope:+.5g}/s({self.minLine.value():5g})'
+                    msg += f'{self.minLine.slope:+.5g}/s={self.minLine.value():5g}'
             if self.maxLine.intercept or self.maxLine.slope:
                 msg += f' <{self.maxLine.intercept:.5g}'
                 if self.maxLine.slope:
-                    msg += f'{self.maxLine.slope:+.5g}/s({self.maxLine.value():5g})'
+                    msg += f'{self.maxLine.slope:+.5g}/s={self.maxLine.value():5g}'
         if self.rateLimitPeriod:
             msg += f' {self.rateLimitFraction/MAX_FRACTION:.1%} every {self.rateLimitPeriod/60:.0} minutes'
         return msg

src/dexorder/bin/backfill_ohlc.py

@@ -74,4 +74,4 @@ async def main():
 
 
 if __name__ == '__main__':
-    execute(main())
+    execute(main)

src/dexorder/bin/block_for_time.py

@@ -37,4 +37,4 @@ if __name__ == '__main__':
     time = parse_date(sys.argv[1], ignoretz=True).replace(tzinfo=timezone.utc)
     seconds_per_block = float(sys.argv[2])
     sys.argv = [sys.argv[0], *sys.argv[3:]]
-    execute(main())
+    execute(main)

src/dexorder/bin/examine.py

@@ -0,0 +1,95 @@
+import argparse
+import logging
+
+from dexorder import db, blockchain
+from dexorder.base.order import OrderKey
+from dexorder.blocks import current_block, get_block
+from dexorder.blockstate import current_blockstate
+from dexorder.blockstate.blockdata import BlockData
+from dexorder.blockstate.db_state import DbState
+from dexorder.blockstate.fork import current_fork
+from dexorder.contract.dexorder import VaultContract
+from dexorder.order.orderstate import Order
+from dexorder.tokens import adjust_decimals
+from dexorder.util import json
+from dexorder.vault_blockdata import vault_balances, pretty_balances
+from dexorder.bin.executable import execute
+
+log = logging.getLogger(__name__)
+
+async def dump_orders(orders, args):
+    if args.json:
+        print(json.dumps([order.status.dump() for order in orders]))
+    else:
+        first = True
+        for order in orders:
+            if first:
+                first = False
+            else:
+                print()
+            print(await order.pprint())
+
+def command_vault_argparse(subparsers):
+    parser = subparsers.add_parser('vault', help='show the vault\'s balances and orders')
+    parser.add_argument('address', help='address of the vault')
+    parser.add_argument('--all', help='show all orders including closed ones', action='store_true')
+    parser.add_argument('--json', help='output in JSON format', action='store_true')
+
+async def command_vault(args):
+    balances = vault_balances.get(args.address, {})
+    print(f'Vault {args.address} v{await VaultContract(args.address).version()}')
+    print(f'Balances:')
+    print(pretty_balances({k: (await adjust_decimals(k, v)) for k, v in balances.items()}))
+    print(f'Orders:')
+    i = 0
+    orders = []
+    while True:
+        key = OrderKey(args.address, i)
+        try:
+            order = Order.of(key)
+        except KeyError:
+            break
+        if args.all or order.is_open:
+            orders.append(order)
+        i += 1
+    await dump_orders(orders, args)
+
+
+def command_open_argparse(subparsers):
+    parser = subparsers.add_parser('open', help='show all open orders')
+    parser.add_argument('--json', help='output in JSON format', action='store_true')
+
+
+async def command_open(args):
+    await dump_orders([Order.of(key) for key in Order.open_orders], args)
+
+
+async def main(args: list):
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--chain-id', default=None)
+    subparsers = parser.add_subparsers(dest='command')
+    for name in globals():
+        if name.startswith('command_') and name.endswith('_argparse'):
+            globals()[name](subparsers)
+    parsed = parser.parse_args(args)
+    print(parsed)
+    try:
+        subcommand = globals()[f'command_{parsed.command}']
+    except KeyError:
+        parser.print_help()
+        exit(1)
+    await blockchain.connect()
+    db.connect()
+    db_state = DbState(BlockData.by_opt('db'))
+    with db.transaction():
+        state = await db_state.load()
+    # state.readonly = True
+    current_blockstate.set(state)
+    block = await get_block(state.root_hash)
+    current_block.set(block)
+    current_fork.set(state.root_fork)
+    await subcommand(parsed)
+
+
+if __name__ == '__main__':
+    execute(main, parse_args=True)

src/dexorder/bin/executable.py

@@ -1,17 +1,20 @@
+import asyncio
 import inspect
 import logging
 import logging.config
+import sys
 import tomllib
 from asyncio import CancelledError
-from traceback import print_exception
-import asyncio
 from signal import Signals
-from typing import Coroutine
+from traceback import print_exception
+from typing import Coroutine, Callable, Union, Any
 
-import sys
+from omegaconf import OmegaConf
 
-from dexorder import configuration
+from dexorder import configuration, config
 from dexorder.alert import init_alerts
+from dexorder.configuration.schema import Config
+from dexorder.metric.metric_startup import start_metrics_server
 
 if __name__ == '__main__':
     raise Exception('this file is meant to be imported not executed')
@@ -25,7 +28,27 @@ async def _shutdown_coro(_sig, _loop):
         if task is not this_task:
             task.cancel()
 
-def execute(main:Coroutine, shutdown=None, *, parse_logging=True, parse_args=True):
+
+def split_args():
+    omegaconf_args = []
+    regular_args = []
+    for arg in sys.argv[1:]:
+        if '=' in arg and not arg.startswith('--'):
+            key, value = arg.split('=', 1)
+            if hasattr(Config, key):
+                omegaconf_args.append(arg)
+                continue
+        regular_args.append(arg)
+    return omegaconf_args, regular_args
+
+
+def execute(main:Callable[...,Coroutine[Any,Any,Any]], shutdown=None, *, parse_logging=True,
+            parse_args: Union[Callable[[list[str]],Any], type, bool]=True):
+    """
+    if parse_args is a function, then the command-line arguments are given to OmegaConf first, and any args parsed by
+    OmegaConf are stripped from the args list.  The remaining args are then passed to parse_args(args)
+    if parse_args is a type, then the type is used to parse the extra command-line arguments using OmegaConf.
+    """
     # config
     configured = False
     if parse_logging:
@@ -42,10 +65,29 @@ def execute(main:Coroutine, shutdown=None, *, parse_logging=True, parse_args=Tru
         logging.basicConfig(level=logging.INFO, stream=sys.stdout)
         log.setLevel(logging.DEBUG)
         log.info('Logging configured to default')
+    xconf = None
     if parse_args:
-        configuration.parse_args()
+        # NOTE: there is special command-line argument handling in config/load.py to get a config filename.
+        # The -c/--config flag MUST BE FIRST if present.
+        # The rest of the arguments are split by format into key=value for omegaconf and anything else is "regular args"
+        omegaconf_args, regular_args = split_args()
+        configuration.parse_args(omegaconf_args)
+        # must check for `type` before `callable`, because types are also callables
+        if isinstance(parse_args, type):
+            # noinspection PyUnboundLocalVariable
+            xconf = OmegaConf.merge(OmegaConf.structured(parse_args), OmegaConf.from_cli(regular_args))
+        elif callable(parse_args):
+            # noinspection PyUnboundLocalVariable
+            xconf = parse_args(regular_args)
+        else:
+            # just pass the regular args to main
+            xconf = regular_args
+
     init_alerts()
 
+    if config.metrics_port:
+        start_metrics_server()
+
     # loop setup
     loop = asyncio.get_event_loop()
     signals = Signals.SIGQUIT, Signals.SIGTERM, Signals.SIGINT
@@ -53,7 +95,14 @@ def execute(main:Coroutine, shutdown=None, *, parse_logging=True, parse_args=Tru
         loop.add_signal_handler(s, lambda sig=s: asyncio.create_task(_shutdown_coro(sig, loop), name=f'{s.name} handler'))
 
     # main
-    task = loop.create_task(main, name='main')
+    num_args = len(inspect.signature(main).parameters)
+    if num_args == 0:
+        coro = main()
+    elif num_args == 1:
+        coro = main(xconf)
+    else:
+        raise Exception(f'main() must accept 0 or 1 arguments, not {num_args}')
+    task = loop.create_task(coro, name='main')
     try:
         loop.run_until_complete(task)
     except CancelledError:

src/dexorder/bin/finaldata.py

@@ -62,4 +62,4 @@ async def main():
 
 
 if __name__ == '__main__':
-    execute(main())
+    execute(main)

src/dexorder/bin/main.py

@@ -2,6 +2,8 @@ import logging
 from asyncio import CancelledError
 
 from dexorder import db, blockchain
+from dexorder.accounting import initialize_accounting_runner
+from dexorder.alert import infoAlert
 from dexorder.base.chain import current_chain
 from dexorder.bin.executable import execute
 from dexorder.blockstate import current_blockstate
@@ -12,13 +14,15 @@ from dexorder.contract import get_contract_event
 from dexorder.contract.dexorder import get_dexorder_contract
 from dexorder.event_handler import (init, dump_log, handle_vault_created, handle_order_placed,
                                     handle_transfer, handle_swap_filled, handle_order_canceled, handle_order_cancel_all,
-                                    handle_uniswap_swaps, handle_vault_impl_changed)
+                                    handle_uniswap_swaps, handle_vault_impl_changed, update_metrics)
+from dexorder.marks import publish_marks
 from dexorder.memcache import memcache
 from dexorder.memcache.memcache_state import RedisState, publish_all
 from dexorder.order.executionhandler import handle_dexorderexecutions, execute_tranches
 from dexorder.order.triggers import activate_orders, end_trigger_updates
 from dexorder.runner import BlockStateRunner
-from dexorder.transactions import handle_transaction_receipts, finalize_transactions
+from dexorder.transactions import handle_transaction_receipts, cleanup_jobs
+from dexorder.vaultcreationhandler import handle_vault_creation_requests
 
 log = logging.getLogger('dexorder')
 LOG_ALL_EVENTS = False  # for debug todo config
@@ -57,6 +61,8 @@ def setup_logevent_triggers(runner):
 
     runner.add_callback(check_activate_orders)
     runner.add_callback(init)
+
+    runner.add_event_trigger(handle_transaction_receipts)
     runner.add_event_trigger(handle_vault_created, get_contract_event('Vault', 'VaultCreated'))
     runner.add_event_trigger(handle_vault_impl_changed, get_contract_event('Vault', 'VaultImplChanged'))
     runner.add_event_trigger(handle_order_placed, get_contract_event('VaultImpl', 'DexorderSwapPlaced'))
@@ -66,16 +72,26 @@ def setup_logevent_triggers(runner):
     runner.add_event_trigger(handle_order_canceled, get_contract_event('VaultImpl', 'DexorderSwapCanceled'))
     runner.add_event_trigger(handle_order_cancel_all, get_contract_event('VaultImpl', 'DexorderCancelAll'))
 
-    runner.add_event_trigger(handle_transaction_receipts) # todo handle only the transactions that were posted to this block
     runner.add_event_trigger(handle_dexorderexecutions, executions)
+    runner.add_event_trigger(handle_vault_creation_requests)
 
     runner.add_callback(end_trigger_updates)
     runner.add_callback(execute_tranches)
 
+    # fee adjustments are handled offline by batch jobs
+    # runner.add_event_trigger(handle_fee_limits_changed, get_contract_event('IFeeManager', 'FeeLimitsChanged'))
+    # runner.add_event_trigger(handle_fees_changed, get_contract_event('IFeeManager', 'FeesChanged'))
+    # runner.add_callback(adjust_gas)
+
+    runner.add_callback(cleanup_jobs)
+    runner.add_callback(publish_marks)
+    runner.add_callback(update_metrics)
+
 
 # noinspection DuplicatedCode
 async def main():
-    await blockchain.connect()
+    infoAlert('Started', 'backend has started', log_level=logging.INFO)
+    await blockchain.connect(autosign=False)  # the transaction manager checks out accounts and releases them.
     redis_state = None
     state = None
     if memcache:
@@ -101,7 +117,9 @@ async def main():
             if redis_state:
                 # load initial state
                 log.info('initializing redis with root state')
-                await redis_state.save(state.root_fork, state.diffs_by_branch[state.root_branch.id])
+                await redis_state.init(state, state.root_fork)
+
+    await initialize_accounting_runner()
 
     runner = BlockStateRunner(state, publish_all=publish_all if redis_state else None)
     setup_logevent_triggers(runner)
@@ -113,7 +131,6 @@ async def main():
         runner.on_promotion.append(db_state.finalize)
     if redis_state:
         runner.on_head_update.append(redis_state.save)
-    runner.on_promotion.append(finalize_transactions)
 
     try:
         await runner.run()
@@ -123,4 +140,4 @@ async def main():
 
 
 if __name__ == '__main__':
-    execute(main())
+    execute(main)

src/dexorder/bin/mirror.py

@@ -95,7 +95,7 @@ async def write_metadata( pools, mirror_pools ):
     pool_dicts = [get_pool(addr) for (addr,_inverted) in mirror_pools]
     pool_dicts = await asyncio.gather(*pool_dicts)
     for data, addr, (_,inverted) in zip(pool_dicts, pools, mirror_pools):
-        data['x'] = dict(data=dict(uri=f'https://beta.dexorder.trade/ohlc/', chain=42161, symbol=addr, inverted=inverted))
+        data['x'] = dict(data=dict(uri=f'https://app.dexorder.com/ohlc/', chain=42161, symbol=addr, inverted=inverted))
     tokens = set(p['base'] for p in pool_dicts)
     tokens.update(p['quote'] for p in pool_dicts)
     tokens = await asyncio.gather(*[get_token(t) for t in tokens])
@@ -119,14 +119,14 @@ async def main():
     delay = max(0.010, config.polling)
     update_once = config.polling <= 0
     global source_w3
-    source_w3 = await create_w3(config.mirror_source_rpc_url, name='source', autosign=False)
+    source_w3 = await create_w3(config.mirror_source_rpc_url, name='source', autosign=False, archive_url=[])
     pools = (config.mirror_pools or [])
     if not pools:
         log.error('must configure mirror_pools')
         return
-    if config.account is None:
-        # Dev Account #5
-        config.account = '0x8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba'
+    if not config.accounts:
+        # Dev Account #6 0x976EA74026E726554dB657fA54763abd0C3a0aa9
+        config.accounts = ['0x92db14e403b83dfe3df233f83dfa3a0d7096f21ca9b0d6d6b8d88b2b4ec1564e']
     await blockchain.connect(name='target')
 
     mirror_addr = config.mirror_env
@@ -144,35 +144,28 @@ async def main():
     tokens = set(i[1] for i in pool_infos).union(i[2] for i in pool_infos)
 
     log.debug(f'Mirroring tokens')
-    txs = []
     for t in tokens:
         # noinspection PyBroadException
         try:
             info = await get_token_info(t)
             # anvil had trouble estimating the gas, so we hardcode it.
             tx = await mirrorenv.transact.mirrorToken(info, gas=1_000_000)
-            txs.append(tx.wait())
+            await tx.wait()
         except Exception:
             log.exception(f'Failed to mirror token {t}')
             exit(1)
-    results = await asyncio.gather(*txs)
-    if any(result['status'] != 1 for result in results):
-        log.error('Mirroring a token reverted.')
-        exit(1)
     log.info(f'Tokens deployed')
 
     log.debug(f'Mirroring pools {", ".join(pools)}')
-    txs = []
     for pool, info in zip(pools, pool_infos):
         # noinspection PyBroadException
         try:
             # anvil had trouble estimating the gas, so we hardcode it.
             tx = await mirrorenv.transact.mirrorPool(info, gas=5_500_000)
+            await tx.wait()
         except Exception:
             log.exception(f'Failed to mirror pool {pool}')
             exit(1)
-        txs.append(tx.wait())
-    await asyncio.gather(*txs)
     log.info('Pools deployed')
 
     mirror_pool_list = []
@@ -197,6 +190,7 @@ async def main():
     while True:
         wake_up = now() + delay
         # log.debug(f'querying {pool}')
+        tx = None
         try:
             price = await get_pool_price(pool)
             if price != last_prices.get(pool):
@@ -207,7 +201,10 @@ async def main():
                 addr, inverted = mirror_pools[pool]
                 log.debug(f'Mirrored {addr} {price}')
         except Exception as x:
-            log.debug(f'Could not update {pool}: {x}')
+            log.debug(f'Could not update {pool}: {x} {tx}')
+            if tx is not None:
+                tx.account.reset_nonce()
+                tx.account.release()
             continue
         try:
             pool = next(pool_iter)
@@ -223,4 +220,4 @@ async def main():
 
 
 if __name__ == '__main__':
-    execute(main())
+    execute(main)

src/dexorder/bin/reconcile.py

@@ -0,0 +1,31 @@
+import logging
+
+from sqlalchemy import select, text
+
+from dexorder import db, blockchain
+from dexorder.accounting import accounting_reconcile
+from dexorder.bin.executable import execute
+from dexorder.blocks import fetch_latest_block, current_block
+from dexorder.database.model import DbAccount
+
+log = logging.getLogger(__name__)
+
+async def main():
+    await blockchain.connect()
+    db.connect()
+    block = await fetch_latest_block()
+    current_block.set(block)
+    db.session.execute(text("LOCK TABLE account, accounting, reconciliation IN EXCLUSIVE MODE"))
+    try:
+        accounts = db.session.execute(select(DbAccount)).scalars().all()
+        for account in accounts:
+            await accounting_reconcile(account)
+        db.session.commit()
+        log.info('Reconciliation complete')
+    except:
+        db.session.rollback()
+        raise
+
+
+if __name__ == '__main__':
+    execute(main)

src/dexorder/bin/refill.py

@@ -0,0 +1,23 @@
+import logging
+from dataclasses import dataclass
+
+from dexorder import blockchain, db, dec
+from dexorder.bin.executable import execute
+
+log = logging.getLogger(__name__)
+
+
+@dataclass
+class RefillConfig:
+    refill_level: dec
+    refill_accounts: list[str]
+
+
+async def main(refill_config: RefillConfig):
+    # await blockchain.connect()
+    # db.connect()
+    log.info(f'Refilling to {refill_config.refill_level:.18f} ETH')
+    log.info(f'Refilling accounts: {refill_config.refill_accounts}')
+
+if __name__ == '__main__':
+    execute(main, parse_args=RefillConfig)

src/dexorder/blockchain/connection.py

@@ -1,65 +1,75 @@
 import asyncio
+import itertools
 import logging
 from random import random
 from typing import Any, Optional, Union
 
-import requests
-import requests.adapters
-
 # noinspection PyPackageRequirements
-from aiohttp import ClientResponseError, ClientSession, BaseConnector, ClientTimeout, TCPConnector
+from aiohttp import ClientResponseError, ClientSession, ClientTimeout, TCPConnector
 from eth_typing import URI
 from hexbytes import HexBytes
 from web3 import WebsocketProviderV2, AsyncWeb3, AsyncHTTPProvider
 from web3.middleware.signing import async_construct_sign_and_send_raw_middleware
+from web3.providers.async_base import AsyncJSONBaseProvider
 from web3.types import RPCEndpoint, RPCResponse
 
 from .. import current_w3, Blockchain, config, Account, NARG
 from ..base.chain import current_chain
-from ..configuration import resolve_rpc_url
-from ..configuration.resolve import resolve_ws_url
 from ..contract import get_contract_data
 
+log = logging.getLogger(__name__)
 
-async def connect(rpc_url=None, account=NARG, autosign=True, name='default'):
+
+async def connect(rpc_url: Union[str,list[str]]=None, account=NARG, autosign=True, name='default', *, archive_url: Union[str,list[str]] = None):
     """
     connects to the rpc_url and configures context vars
     """
-    w3 = await create_w3(rpc_url, account, autosign, name)
+    w3 = await create_w3(rpc_url, account, autosign, name, archive_url=archive_url)
     current_w3.set(w3)
-    current_chain.set(Blockchain.get(await w3.eth.chain_id))
+    chain = Blockchain.get(await w3.eth.chain_id)
+    current_chain.set(chain)
     return w3
 
 
-async def create_w3(rpc_url=None, account=NARG, autosign=True, name='default'):
-    # todo create a proxy w3 that rotates among rpc urls
-    # self.w3s = tuple(await create_w3(url) for url in rpc_url_or_tag)
-    # chain_id = self.w3s[0].eth.chain_id
-    # assert all(w3.eth.chain_id == chain_id for w3 in self.w3s) # all rpc urls must be the same blockchain
-    # self.w3iter = itertools.cycle(self.w3s)
-    url = resolve_rpc_url(rpc_url)
-    connector = TCPConnector(limit=config.concurrent_rpc_connections)
-    session = ClientSession(connector=connector, timeout=ClientTimeout(config.rpc_timeout))
-    http_provider = RetryHTTPProvider(url)
-    await http_provider.cache_async_session(session)
-    w3 = AsyncWeb3(http_provider)
-    # w3.middleware_onion.inject(geth_poa_middleware, layer=0) # todo is this line needed?
-    # w3.middleware_onion.add(simple_cache_middleware)
-    # log.debug(f'middleware {list(w3.middleware_onion.middlewares)}')
+async def create_w3(rpc_url: Union[str,list[str]]=None, account=NARG, autosign=True, name='default', *, archive_url: Union[str,list[str]] = None) -> AsyncWeb3:
+    if rpc_url is None:
+        rpc_url = config.rpc_url
+    if isinstance(rpc_url, str):
+        rpc_urls = [resolve_rpc_url(s) for url in rpc_url.split(',') if (s:=url.strip()) != '']
+    elif isinstance(rpc_url, list):
+        rpc_urls = [resolve_rpc_url(s) for url in rpc_url if (s:=url.strip()) != '']
+    else:
+        raise ValueError("rpc_url must be a string or list of strings")
+
+    if archive_url is None:
+        archive_url = config.archive_url
+    if archive_url is None:
+        archive_urls = []
+    elif isinstance(archive_url, str):
+        archive_urls = [resolve_rpc_url(s) for url in archive_url.split(',') if (s:=url.strip()) != '']
+    elif isinstance(archive_url, list):
+        archive_urls = [resolve_rpc_url(s) for url in archive_url if (s:=url.strip()) != '']
+    else:
+        raise ValueError("archive_url must be a string or list of strings")
+
+    if not rpc_urls:
+        raise ValueError("No rpc_url configured")
+
+
+    provider = await RoundRobinHTTPProvider.construct(rpc_urls, archive_urls) if len(rpc_urls) > 1 or archive_urls else await RetryHTTPProvider.construct(rpc_urls[0])
+    w3 = AsyncWeb3(provider)
+    if archive_urls:
+        w3.middleware_onion.add(archive_intercept_middleware, 'block_number_intercept_middleware')
     w3.middleware_onion.remove('attrdict')
     w3.middleware_onion.add(clean_input_async, 'clean_input')
     w3.eth.Contract = _make_contract(w3.eth)
-    has_account = False
     if autosign:
-        a = Account.get(account)
-        if a is not None:
+        if account is NARG:
+            account = Account.get()
+        if account is not None:
             # noinspection PyTypeChecker
-            w3.middleware_onion.add(await async_construct_sign_and_send_raw_middleware(a))
-            w3.eth.default_account = a.address
-            has_account = True
-            log.info(f'{name} w3 configured to autosign as {a.address}')
-    if not has_account:
-        log.info(f'No account set for {name} w3')
+            w3.middleware_onion.add(await async_construct_sign_and_send_raw_middleware(account))
+            w3.eth.default_account = account.address
     return w3
 
 
@@ -81,6 +91,30 @@ async def create_w3_ws(ws_url=None) -> AsyncWeb3:
     return w3
 
 
+def resolve_rpc_url(rpc_url=None):
+    if rpc_url is None:
+        rpc_url = config.rpc_url
+    if rpc_url == 'test':
+        return 'http://localhost:8545'
+    try:
+        return config.rpc_urls[rpc_url]  # look up aliases
+    except KeyError:
+        pass
+    return rpc_url
+
+
+def resolve_ws_url(ws_url=None):
+    if ws_url is None:
+        ws_url = config.ws_url
+    if ws_url == 'test':
+        return 'ws://localhost:8545'
+    try:
+        return config.rpc_urls[ws_url]  # look up aliases
+    except KeyError:
+        pass
+    return ws_url
+
+
 def _clean(obj):
     if type(obj) is HexBytes:
         return bytes(obj)
@@ -124,25 +158,88 @@ def _make_contract(w3_eth):
     return f
 
 
-log = logging.getLogger(__name__)
+#
+# ARCHIVE NODE MANAGEMENT
+#
+
+# Regular RPC nodes do not necessarily have the full state history available. The code below tracks the block heights
+# of historical data lookup failures on rpc nodes and automatically retries failed history requests on an archive_rpc
+# node. Archive RPC nodes are otherwise not used unless they are also listed in the rpc_url config.
+
+# Define methods that may carry a `block_identifier` parameter,
+# along with the required number of arguments to include it.
+
+ARCHIVE_METHODS = {
+    # Examples:
+    "eth_getBalance": 2,  # e.g., get_balance(address, block_identifier)
+    "eth_call": 2,  # e.g., contract.call(params, block_identifier)
+    "eth_getStorageAt": 3,  # e.g., get_storage_at(address, position, block_identifier)
+    # Add more methods as needed
+}
+
+ARCHIVE_ERRORS = {
+    'state recreation l2 gas depth limit exceeded',
+}
+
+
+def is_archive_method(method, params):
+    expected_args = ARCHIVE_METHODS.get(method, -1)
+    return len(params) == expected_args
+
+
+async def archive_intercept_middleware(make_request, w3):
+    """
+    Middleware to intercept any call with `block_number` and manage marking archive_fault_height
+    """
+    async def middleware(method, params):
+        # Only intercept relevant methods
+        is_archival = is_archive_method(method, params)
+        block_height = None
+        resp = await make_request(method, params)
+        if is_archival and 'error' in resp and resp['error']['message'] in ARCHIVE_ERRORS:
+            block_identifier = params[-1]
+            if block_identifier not in ('latest', 'pending',):
+                block_height = int(block_identifier, 16) if type(block_identifier) is str else int(params[-1])
+                raise ArchiveException(method, block_height)
+            else:
+                # noinspection PyUnboundLocalVariable
+                raise Exception(f'Got an archive fault using a block_identifier of {block_identifier}: {w3.provider.endpoint_uri} {method} {params}\n{resp}')
+        return resp
+
+    return middleware
+
+
+class ArchiveException (Exception):
+    def __init__(self, method, block_number):
+        super().__init__(f"Archive fault for method {method} at block {block_number}", block_number)
+        self.method = method
+        self.block_number = block_number
 
 
 class RetryHTTPProvider (AsyncHTTPProvider):
 
-    def __init__(self, endpoint_uri: Optional[Union[URI, str]] = None, request_kwargs: Optional[Any] = None) -> None:
+    @staticmethod
+    async def construct(endpoint_uri: Optional[Union[URI, str]] = None, request_kwargs: Optional[Any] = None, retries: int = 10):
+        result = RetryHTTPProvider(endpoint_uri, request_kwargs, retries)
+        connector = TCPConnector(limit=config.concurrent_rpc_connections)
+        session = ClientSession(connector=connector, timeout=ClientTimeout(config.rpc_timeout))
+        await result.cache_async_session(session)
+        return result
+
+    def __init__(self, endpoint_uri: Optional[Union[URI, str]] = None, request_kwargs: Optional[Any] = None, retries: int = 10) -> None:
         super().__init__(endpoint_uri, request_kwargs)
+
         self.in_flight = asyncio.Semaphore(config.concurrent_rpc_connections)
         self.rate_allowed = asyncio.Event()
         self.rate_allowed.set()
+        self.retries = retries
 
     async def make_request(self, method: RPCEndpoint, params: Any) -> RPCResponse:
-        MAX_TRIES = 10
         wait = 0
-        for _ in range(MAX_TRIES):
+        for _ in range(self.retries):
             try:
                 async with self.in_flight:
                     await self.rate_allowed.wait()
-                    # log.debug(f'Requesting RPC call {method}')
                     return await super().make_request(method, params)
             except ClientResponseError as e:
                 if e.status != 429:
@@ -158,6 +255,63 @@ class RetryHTTPProvider (AsyncHTTPProvider):
                     await asyncio.sleep(wait)
                 finally:
                     self.rate_allowed.set()
-            # finally:
-            #     log.debug(f'Ended request of RPC call {method}')
-        raise IOError(f'Could not query rpc server after {MAX_TRIES} tries: {method} {params}')
+        raise IOError(f'Could not query rpc server after {self.retries} tries: {method} {params}')
+
+
+class RoundRobinHTTPProvider (AsyncJSONBaseProvider):
+
+    @staticmethod
+    async def construct(endpoint_uris: list[str], archive_uris: list[str]):
+        providers = [RetryHTTPProvider.construct(uri, retries=1) for uri in endpoint_uris]
+        archive_providers = [RetryHTTPProvider.construct(uri, retries=1) for uri in archive_uris]
+        providers = await asyncio.gather(*providers)
+        archive_providers = await asyncio.gather(*archive_providers)
+
+        # Ensure all instances share the same chain ID
+        chain_ids = await asyncio.gather(*(AsyncWeb3(provider).eth.chain_id for provider in itertools.chain(providers, archive_providers)))
+        if len(set(chain_ids)) != 1:
+            raise RuntimeError("All RPC URLs must belong to the same blockchain")
+
+        return RoundRobinHTTPProvider(providers, archive_providers)
+
+
+    def __init__(self, providers: list[RetryHTTPProvider], archive_providers: list[RetryHTTPProvider]):
+        super().__init__()
+        self.providers = providers
+        self.archive_providers = archive_providers
+        for provider in self.providers:
+            provider.archive_fault_height = 0
+        self.index = 0
+        self.archive_index = 0
+
+    async def make_request(self, method: RPCEndpoint, params: Any) -> RPCResponse:
+        provider = self._current()
+        is_archival = is_archive_method(method, params)
+        try:
+            if is_archival:
+                block_identifier = params[-1]
+                if block_identifier not in ('latest', 'pending',):
+                    block_height = int(block_identifier, 16) if type(block_identifier) is str else int(params[-1])
+                    if block_height <= provider.archive_fault_height:
+                        # this block is at least as old as another block that already failed to fetch history from this RPC
+                        raise ArchiveException(method, block_height)
+            return await provider.make_request(method, params)
+        except ArchiveException as e:
+            provider.archive_fault_height = max(provider.archive_fault_height, e.block_number)
+            if not self.archive_providers:
+                raise
+            return await self._current_archive().make_request(method, params)
+
+    def _current(self) -> RetryHTTPProvider:
+        if self.index >= len(self.providers):
+            self.index = 0
+        current_provider = self.providers[self.index]
+        self.index += 1
+        return current_provider
+
+    def _current_archive(self) -> RetryHTTPProvider:
+        if self.archive_index >= len(self.archive_providers):
+            self.archive_index = 0
+        current_provider = self.archive_providers[self.archive_index]
+        self.archive_index += 1
+        return current_provider

src/dexorder/blocks.py

@@ -17,10 +17,16 @@ from dexorder import current_w3, config, db, Blockchain
 from dexorder.base.block import Block, BlockInfo, latest_block
 from dexorder.base.chain import current_chain
 from dexorder.database.model import DbBlock
+from dexorder.util import hexbytes
 
 log = logging.getLogger(__name__)
 
 
+def blocktime():
+    """ timestamp of the most recent block seen in real-time, NOT the current block being worked on """
+    return latest_block[current_chain.get().id].timestamp
+
+
 async def get_block_timestamp(block_id: Union[bytes,int]) -> int:
     block = await get_block(block_id)
     if block is None:
@@ -35,6 +41,11 @@ class FetchLock:
         self.exception = None
 
 
+async def fetch_latest_block() -> Block:
+    blockdata = await current_w3.get().eth.get_block('latest')
+    return Block(current_chain.get(), blockdata)
+
+
 async def _fetch(fetch: FetchLock, chain_id: int, block_id: Union[int,bytes]) -> Optional[Block]:
     # try database first
     if config.cache_blocks_in_db and db:
@@ -75,8 +86,10 @@ def cache_block(block: Block, confirmed=False):
             confirmed=confirmed, data=block.data))
 
 
-async def get_block(block_id: Union[bytes,int], *, chain_id=None) -> Block:
+async def get_block(block_id: Union[bytes,str,int], *, chain_id=None) -> Block:
     # log.debug(f'get_block {block_id}')
+    if type(block_id) is str:
+        block_id = hexbytes(block_id)
     if chain_id is None:
         chain_id = current_chain.get().id
 
@@ -136,7 +149,11 @@ async def fetch_block(blockhash, *, chain_id=None) -> Optional[Block]:
         chain_id = current_chain.get().id
     response = await current_w3.get().provider.make_request('eth_getBlockByHash', [blockhash, False])
     # log.debug(f'fetch_block response {blockhash} {chain_id} {response}')
-    blockdict: BlockInfo = response['result']
+    try:
+        blockdict: BlockInfo = response['result']
+    except KeyError:
+        log.error(f'fetch_block got strange response {response}')
+        return None
     if blockdict is None:
         log.debug(f'block {blockhash} not found')
         return None

src/dexorder/blockstate/blockdata.py

@@ -64,7 +64,7 @@ class BlockData (Generic[T]):
             if self.lazy_getitem:
                 lazy = self.lazy_getitem(self, item)
                 if lazy is not NARG:
-                    state.set(state.root_fork, self.series, item, lazy)
+                    state.set(state.root_fork, self.series, item, lazy, readonly_override=True)
                     result = lazy
         if result is NARG:
             raise KeyError
@@ -117,6 +117,14 @@ class BlockData (Generic[T]):
         fork = current_fork.get()
         state.delete_series(fork, self.series)
 
+    def upper_len(self):
+        """
+        Since record values may be marked DELETE there is not an efficient way to know the exact length of a series.
+        We could track it per-branch but instead we just return the number of keys, which is an upper bound on the
+        series length.
+        """
+        state = current_blockstate.get()
+        return state.upper_len(self.series)
 
 class BlockSet(Generic[T], Iterable[T], BlockData[T]):
     def __init__(self, series: Any, **tags):

src/dexorder/blockstate/state.py

@@ -53,7 +53,10 @@ class BlockState:
     with a diff height of the root branch or older is always part of the finalized blockchain.
     """
 
+    class ReadOnlyError(Exception): ...
+
     def __init__(self):
+        self.readonly = False
         self._root_branch: Optional[Branch] = None
         self._root_fork: Optional[Fork] = None
         self.height: int = 0 # highest branch seen
@@ -80,6 +83,8 @@ class BlockState:
 
     @root_branch.setter
     def root_branch(self, value: Branch):
+        if self.readonly:
+            raise self.ReadOnlyError()
         self._root_branch = value
         self._root_fork = Fork([value])
 
@@ -92,6 +97,8 @@ class BlockState:
         return self._root_branch.head
 
     def init_root_block(self, root_block: Block) -> Fork:
+        if self.readonly:
+            raise self.ReadOnlyError()
         assert self.root_branch is None
         return self.add_branch(Branch.from_block(root_block))
 
@@ -113,6 +120,8 @@ class BlockState:
         should only be set to False when it is assured that the branch may be joined by height alone, because
         the branch join is known to be at a live-blockchain-finalized height.
         """
+        if self.readonly:
+            raise self.ReadOnlyError()
         assert branch.id not in self.branches_by_id
 
         if self.root_branch is None:
@@ -150,11 +159,13 @@ class BlockState:
         self.branches_by_height[branch.height].append(branch)
         self.branches_by_id[branch.id] = branch
         self.height = max(self.height, branch.height)
-        state_log.info(f'added branch {fork}')
+        # state_log.debug(f'added branch {fork}')
         return fork
 
 
     def remove_branch(self, branch: Branch, *, remove_series_diffs=True):
+        if self.readonly:
+            raise self.ReadOnlyError()
         if branch.height == self.height and len(self.branches_by_height[branch.height]) == 1:
             # this is the only branch at this height: compute the new lower height
             other_heights = [b.height for b in self.branches_by_id.values() if b is not branch]
@@ -179,6 +190,8 @@ class BlockState:
                     difflist.remove(diff.entry)
         state_log.info(('removed' if remove_series_diffs else 'promoted')+f' branch {branch}')
 
+    def upper_len(self, series):
+        return len(self.diffs_by_series.get(series, {}))
 
     def get(self, fork: Fork, series, key, default=NARG):
         series_diffs = self.diffs_by_series.get(series)
@@ -208,7 +221,9 @@ class BlockState:
         return DELETE
 
 
-    def set(self, fork: Fork, series, key, value, overwrite=True):
+    def set(self, fork: Fork, series, key, value, overwrite=True, *, readonly_override=False):
+        if not readonly_override and self.readonly:
+            raise self.ReadOnlyError()
         # first look for an existing value
         branch = fork.branch
         diffs = self.diffs_by_series.get(series,{}).get(key)
@@ -234,6 +249,8 @@ class BlockState:
         return old_value
             
     def unload(self, fork: Optional[Fork], series, key):
+        if self.readonly:
+            raise self.ReadOnlyError()
         self.unloads[fork.branch_id].append((series, key))
 
     def iteritems(self, fork: Optional[Fork], series):
@@ -283,6 +300,8 @@ class BlockState:
 
         Returns the set of diffs for the promoted fork.
         """
+        if self.readonly:
+            raise self.ReadOnlyError()
         found_root = False
         promotion_branches = []
         for branch in reversed(fork.branches):
@@ -348,6 +367,7 @@ class FinalizedBlockState:
     """
 
     def __init__(self):
+        self.readonly = False
         self.data = {}
         self.by_hash = {}
 
@@ -359,6 +379,8 @@ class FinalizedBlockState:
 
     def set(self, _fork: Optional[Fork], series, key, value, overwrite=True):
         assert overwrite
+        if self.readonly:
+            raise BlockState.ReadOnlyError()
         self.data.setdefault(series, {})[key] = value
 
     def iteritems(self, _fork: Optional[Fork], series):
@@ -371,6 +393,8 @@ class FinalizedBlockState:
         return self.data.get(series,{}).values()
 
     def delete_series(self, _fork: Optional[Fork], series: str):
+        if self.readonly:
+            raise BlockState.ReadOnlyError()
         del self.data[series]
 
 

src/dexorder/configuration/__init__.py

@@ -1,3 +1,2 @@
 from .standard_accounts import test_accounts
 from .load import config, parse_args
-from .resolve import resolve_rpc_url

src/dexorder/configuration/load.py

@@ -2,14 +2,15 @@ import os
 import tomllib
 from tomllib import TOMLDecodeError
 
+import sys
 from omegaconf import OmegaConf, DictConfig
 from omegaconf.errors import OmegaConfBaseException
 
 from .schema import Config
-from .standard_accounts import default_accounts_config
 
-schema = OmegaConf.structured(Config())
+schema = OmegaConf.structured(Config(), flags={'struct': False})
 
+_config_file = 'dexorder.toml'
 
 class ConfigException (Exception):
     pass
@@ -19,24 +20,14 @@ def load_config():
     # noinspection PyTypeChecker
     result:ConfigDict = OmegaConf.merge(
         schema,
-        load_accounts(),
         from_toml('.secret.toml'),
-        from_toml('dexorder.toml'),
+        from_toml(_config_file),
         from_toml('config.toml'),
         from_env()
     )
     return result
 
 
-def load_accounts():
-    accounts_conf = OmegaConf.create({'accounts': default_accounts_config})
-    try:
-        OmegaConf.merge(schema, accounts_conf)
-        return accounts_conf
-    except OmegaConfBaseException as _x:
-        raise ConfigException(f'Error while processing default accounts:\n{_x}')
-
-
 def from_env(prefix='DEXORDER_'):
     merge = {}
     for key, value in os.environ.items():
@@ -77,5 +68,12 @@ def parse_args(args=None):
 class ConfigDict (Config, DictConfig): # give type hints from Config plus methods from DictConfig
     pass
 
+# Special command-line argument handling to get a config file. The -c/--config flag MUST BE FIRST.
+if len(sys.argv) > 1 and (sys.argv[1] == '-c' or sys.argv[1] == '--config'):
+    if len(sys.argv) < 3:
+        raise ConfigException('Missing config file argument')
+    else:
+        _config_file = sys.argv[2]
+        sys.argv = [sys.argv[0], *sys.argv[3:]]
 
 config = load_config()

src/dexorder/configuration/resolve.py

@@ -1,25 +1,3 @@
 from .load import config
 
 
-def resolve_rpc_url(rpc_url=None):
-    if rpc_url is None:
-        rpc_url = config.rpc_url
-    if rpc_url == 'test':
-        return 'http://localhost:8545'
-    try:
-        return config.rpc_urls[rpc_url]  # look up aliases
-    except KeyError:
-        pass
-    return rpc_url
-
-
-def resolve_ws_url(ws_url=None):
-    if ws_url is None:
-        ws_url = config.ws_url
-    if ws_url == 'test':
-        return 'ws://localhost:8545'
-    try:
-        return config.rpc_urls[ws_url]  # look up aliases
-    except KeyError:
-        pass
-    return ws_url

src/dexorder/configuration/schema.py

@@ -11,13 +11,17 @@ from typing import Optional
 class Config:
     confirms: Optional[int] = None  # number of blocks before data is considered finalized. if None then the chain's default setting is used
     batch_size: Optional[int] = None  # max number of blocks to query in a single backfill rpc request
-    rpc_url: str = 'http://localhost:8545'
+    rpc_url: str = 'http://localhost:8545'  # may be a comma-separated list.  may include names of entries in rpc_urls.
+    archive_url: str = ''  # these rpc URL's are not used unless a query uses an old block number that prior to what the currently-assigned rpc_url can provide
     ws_url: Optional[str] = 'ws://localhost:8545'
     rpc_urls: Optional[dict[str,str]] = field(default_factory=dict)
     db_url: Optional[str] = 'postgresql://dexorder:redroxed@localhost/dexorder'
+    db_readonly: bool = False
     dump_sql: bool = False
     redis_url: Optional[str] = 'redis://localhost:6379'
 
+    metrics_port: Optional[int] = None
+
     cache_blocks_in_db: bool = False
     metadata: Optional[str] = None
     ohlc_dir: Optional[str] = None  # if empty string or None, then OHLC's are not saved to disk
@@ -29,16 +33,26 @@ class Config:
     polling: float = 0  # seconds between queries for a new block.  0 disables polling and uses a websocket subscription on ws_url instead
     backfill: int = 0  # if not 0, then runner will initialize an empty database by backfilling from the given block height. Use negative numbers to indicate a number of blocks before the present.
 
-    account: Optional[str] = None # may be a private key or an account alias
-    accounts: Optional[dict[str,str]] = field(default_factory=dict) # account aliases
+    accounts: list[str] = field(default_factory=list) # the pool of accounts is used round-robin
+    adjuster: Optional[str] = None # special account allowed to adjust fees. must NOT be listed in accounts.
+    order_gas: int = 425000  # cost to place a conditional order
+    execution_gas: int = 275000  # cost to perform a successful execution
+    order_gas_multiplier: float = 2.0  # multiply the gas amount by this to get the fee
+    exeution_gas_multiplier: float = 2.0  # multiply the gas amount by this to get the fee
+    fee_leeway = 0.1  # do not adjust fees if they are within this proportion
     min_gas: str = '0'
 
+    mark_publish_seconds: float = 60  # publish mark prices every this number of seconds
+
     # Order slashing
     slash_kill_count: int = 5
     slash_delay_base: float = 60  # one minute
     slash_delay_mul: float = 2  # double the delay each time
     slash_delay_max: int = 15 * 60
 
+    # Tranches are paused for this long after they trigger a slippage control
+    slippage_control_delay: float = 10 # matches the 10-second TWAP used by our uniswap router
+
     walker_name: str = 'default'
     walker_flush_interval: float = 300
     walker_stop: Optional[int] = None  # block number of the last block the walker should process
@@ -48,3 +62,7 @@ class Config:
     mirror_env: Optional[str] = None
 
     pagerduty: Optional[str] = None
+
+    stablecoins: list[str] = field(default_factory=list)  # primary stablecoins which are marked to $1
+    quotecoins: list[str] = field(default_factory=list)  # quote tokens like WETH that have stablecoin markets
+    nativecoin: Optional[str] = None  # used for accounting of native values. e.g. address of WETH

src/dexorder/contract/contract_proxy.py

@@ -7,7 +7,7 @@ from web3.exceptions import Web3Exception
 from web3.types import TxReceipt, TxData
 
 from dexorder import current_w3, Account
-from dexorder.blockstate.fork import current_fork
+from dexorder.blocks import current_block
 from dexorder.util import hexstr
 
 log = logging.getLogger(__name__)
@@ -18,22 +18,23 @@ class ContractTransaction:
         # This is the standard RPC transaction dictionary
         self.tx = tx
 
-        # These three fields are populated only after signing
+        # These fields are populated only after signing
         self.id_bytes: Optional[bytes] = None
         self.id: Optional[str] = None
         self.data: Optional[bytes] = None
+        self.account: Optional[Account] = None
 
         # This field is populated only after the transaction has been mined
         self.receipt: Optional[TxReceipt] = None  # todo could be multiple receipts for different branches!
 
     def __repr__(self):
-        # todo this is from an old status system
-        receipt_status = 'IN_FLIGHT' if self.receipt is None else 'REVERTED' if self.receipt.status == 0 else self.receipt.blockNumber
-        return f'Transaction({self.id},{receipt_status})'
+        return f'tx-{self.id}'
 
     async def wait(self) -> TxReceipt:
         if self.receipt is None:
             self.receipt = await current_w3.get().eth.wait_for_transaction_receipt(self.id)
+            if self.account is not None:
+                self.account.release()
         return self.receipt
 
     async def sign(self, account: Account):
@@ -43,6 +44,7 @@ class ContractTransaction:
         self.data = signed['rawTransaction']
         self.id_bytes = signed['hash']
         self.id = hexstr(self.id_bytes)
+        self.account = account
 
 
 class DeployTransaction (ContractTransaction):
@@ -59,13 +61,14 @@ class DeployTransaction (ContractTransaction):
 
 
 def call_wrapper(addr, name, func):
-    async def f(*args, **kwargs):
+    async def f(*args, block_identifier=None, **kwargs):
+        if block_identifier is None:
+            try:
+                block_identifier = current_block.get().height
+            except (LookupError, AttributeError):
+                block_identifier = 'latest'
         try:
-            blockid = current_fork.get().head_identifier
-        except (LookupError, AttributeError):
-            blockid = 'latest'
-        try:
-            return await func(*args).call(block_identifier=blockid, **kwargs)
+            return await func(*args).call(block_identifier=block_identifier, **kwargs)
         except Web3Exception as e:
             e.args += addr, name
             raise e
@@ -74,19 +77,22 @@ def call_wrapper(addr, name, func):
 
 def transact_wrapper(addr, name, func):
     async def f(*args, **kwargs):
+        tx = await func(*args).build_transaction(kwargs)
+        ct = ContractTransaction(tx)
+        account = await Account.acquire()
+        if account is None:
+            raise ValueError(f'No account to sign transaction {addr}.{name}()')
         try:
-            tx = await func(*args).build_transaction(kwargs)
-            ct = ContractTransaction(tx)
-            account = Account.get()
-            if account is None:
-                raise ValueError(f'No account to sign transaction {addr}.{name}()')
             await ct.sign(account)
-            tx_id = await current_w3.get().eth.send_raw_transaction(ct.data)
-            assert tx_id == ct.id_bytes
-            return ct
-        except Web3Exception as e:
-            e.args += addr, name
-            raise e
+            try:
+                tx_id = await current_w3.get().eth.send_raw_transaction(ct.data)
+                assert tx_id == ct.id_bytes
+                return ct
+            except Web3Exception as e:
+                e.args += addr, name
+                raise e
+        finally:
+            account.release()
     return f
 
 
@@ -148,10 +154,14 @@ class ContractProxy:
     def __getattr__(self, item):
         if item == 'constructor':
             found = self.contract.constructor
-        elif item in self.contract.functions:
-            found = self.contract.functions[item]
         else:
-            raise AttributeError(item)
+            funcs = self.contract.functions
+            # In web3.py v6+, contract functions are exposed as attributes, not via __getitem__.
+            # Using getattr ensures we obtain the callable factory for the function; indexing may return None.
+            # Additionally, guard against unexpected None to fail fast with a clear error.
+            found = getattr(funcs, item, None)
+            if not callable(found):
+                raise AttributeError(f"Function '{item}' not found on contract {self._interface_name} at {self.address}")
         return self._wrapper(self.address, item, found)
 
     def __repr__(self):

src/dexorder/contract/decimals.py

@@ -1,24 +0,0 @@
-import logging
-
-from dexorder import db
-from dexorder.contract import ERC20, CONTRACT_ERRORS
-
-log = logging.getLogger(__name__)
-
-
-async def token_decimals(addr):
-    key = f'td|{addr}'
-    try:
-        return db.kv[key]
-    except KeyError:
-        # noinspection PyBroadException
-        try:
-            decimals = await ERC20(addr).decimals()
-        except CONTRACT_ERRORS:
-            log.warning(f'token {addr} has no decimals()')
-            decimals = 0
-        except Exception:
-            log.debug(f'could not get token decimals for {addr}')
-            return None
-        db.kv[key] = decimals
-        return decimals

src/dexorder/contract/dexorder.py

@@ -3,6 +3,7 @@ import logging
 
 from eth_abi.packed import encode_packed
 from eth_utils import keccak, to_bytes, to_checksum_address
+from typing_extensions import Optional
 
 from dexorder.base.chain import current_chain
 from dexorder.contract import ContractProxy
@@ -20,11 +21,11 @@ log.info(f'Version: {version}')
 
 chain_info = version['chainInfo']
 
-for chain_id, info in chain_info.items():
-    chain_id = int(chain_id)
-    _factory[chain_id] = ContractProxy(info['factory'], 'VaultFactory')
-    _dexorder[chain_id] = ContractProxy(info['dexorder'], 'Dexorder')
-    _vault_init_code_hash[chain_id] = to_bytes(hexstr=info['vaultInitCodeHash'])
+for _chain_id, info in chain_info.items():
+    _chain_id = int(_chain_id)
+    _factory[_chain_id] = ContractProxy(info['factory'], 'VaultFactory')
+    _dexorder[_chain_id] = ContractProxy(info['dexorder'], 'Dexorder')
+    _vault_init_code_hash[_chain_id] = to_bytes(hexstr=info['vaultInitCodeHash'])
 
 def get_by_chain(d):
     return d[current_chain.get().id]
@@ -38,6 +39,14 @@ def get_dexorder_contract() -> ContractProxy:
 def get_vault_init_code_hash() -> bytes:
     return get_by_chain(_vault_init_code_hash)
 
+def get_mockenv() -> Optional[ContractProxy]:
+    addr = chain_info.get(str(current_chain.get().id),{}).get('mockenv')
+    return ContractProxy(addr, 'MockEnv') if addr is not None else None
+
+def get_mirrorenv() -> Optional[ContractProxy]:
+    addr = chain_info.get(str(current_chain.get().id),{}).get('mirrorenv')
+    return ContractProxy(addr, 'MirrorEnv') if addr is not None else None
+
 def vault_address(owner, num):
     salt = keccak(encode_packed(['address','uint8'],[owner,num]))
     contract_address = keccak(
@@ -57,3 +66,11 @@ def VaultContract(addr):
 
 def DexorderContract(addr):
     return ContractProxy(addr, 'Dexorder')
+
+
+async def get_fee_manager_contract():
+    factory_contract = get_factory_contract()
+    implementation_address = await factory_contract.implementation()
+    fee_manager_address = await ContractProxy(implementation_address, 'IVaultImpl').feeManager()
+    fee_manager = ContractProxy(fee_manager_address, 'IFeeManager')
+    return fee_manager

src/dexorder/database/__init__.py

@@ -3,7 +3,7 @@ import logging
 from contextvars import ContextVar
 
 import sqlalchemy
-from sqlalchemy import Engine
+from sqlalchemy import Engine, event
 from sqlalchemy.orm import Session, SessionTransaction
 
 from .migrate import migrate_database
@@ -99,7 +99,7 @@ class Db:
         _session.set(None)
 
     # noinspection PyShadowingNames
-    def connect(self, url=None, migrate=True, reconnect=False, dump_sql=None):
+    def connect(self, url=None, migrate=True, reconnect=False, dump_sql=None, readonly:bool=None):
         if _engine.get() is not None and not reconnect:
             return None
         if url is None:
@@ -114,6 +114,19 @@ class Db:
         if dump_sql is None:
             dump_sql = config.dump_sql
         engine = sqlalchemy.create_engine(url, echo=dump_sql, json_serializer=json.dumps, json_deserializer=json.loads)
+
+        if readonly is None:
+            readonly = config.db_readonly
+        if readonly:
+            @event.listens_for(engine, "connect")
+            def set_readonly(dbapi_connection, _connection_record):
+                cursor = dbapi_connection.cursor()
+                try:
+                    cursor.execute("SET default_transaction_read_only = on;")
+                    log.info('database connection set to READ ONLY')
+                finally:
+                    cursor.close()
+
         if migrate:
             migrate_database(url)
         with engine.connect() as connection:

src/dexorder/database/column_types.py

@@ -1,12 +1,14 @@
 import dataclasses
+import json
 import math
-from typing import Union
+from typing import Union, Optional, Any
 
-from sqlalchemy import TypeDecorator, BIGINT
-from sqlalchemy.dialects.postgresql import BYTEA, JSONB
+from sqlalchemy import TypeDecorator, BIGINT, Dialect
+from sqlalchemy.dialects.postgresql import BYTEA, JSONB, NUMERIC
+from sqlalchemy.sql.type_api import _T
 from web3 import Web3
 
-from dexorder import Fixed2 as NativeFixed, Blockchain as NativeBlockchain
+from dexorder import Fixed2 as NativeFixed, Blockchain as NativeBlockchain, dec
 from dexorder.util import hexstr, hexbytes
 
 
@@ -74,6 +76,31 @@ def Fixed(bits, dbits, signed=False):
     return result
 
 
+class DecimalNumeric (TypeDecorator):
+    impl = NUMERIC
+
+    def process_bind_param(self, value, dialect):
+        return value
+
+    def process_result_value(self, value, dialect):
+        return None if value is None else dec(value)
+
+
+class Balances (TypeDecorator):
+    """
+    Dictionary of decimals keyed by strings
+    """
+    impl = JSONB
+
+    def process_bind_param(self, value: Optional[_T], dialect: Dialect) -> Any:
+        return json.dumps({k: str(v) for k,v in value.items()})
+
+    def process_result_value(
+        self, value: Optional[Any], dialect: Dialect
+    ) -> Optional[_T]:
+        return {k: dec(v) for k,v in json.loads(value).items()}
+
+
 class DataclassDictBase(TypeDecorator):
     impl = JSONB
 

src/dexorder/database/model/__init__.py

@@ -6,3 +6,8 @@ from .dbblock import DbBlock
 from .orderindex import OrderIndex
 from .pool import Pool
 from .token import Token
+from .ofac import OFAC, OFACAlerts
+from .accounting import Accounting, DbAccount
+from .vaultcreationrequest import VaultCreationRequest
+from .tos import TOSAcceptance
+from .sharedata import ShareData

src/dexorder/database/model/accounting.py

@@ -0,0 +1,104 @@
+import logging
+from datetime import datetime
+from decimal import Decimal as dec
+from enum import Enum, auto
+
+from sqlalchemy import ForeignKeyConstraint
+from sqlalchemy.ext.mutable import MutableDict
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from typing_extensions import Optional
+
+from dexorder import now
+from dexorder.database.column import Blockchain
+from dexorder.database.column_types import DecimalNumeric, Balances
+from dexorder.database.model import Base
+
+log = logging.getLogger(__name__)
+
+
+class AccountingCategory (Enum):
+    Transfer = auto()
+    Income = auto()
+    Expense = auto()
+    Trade = auto()
+    Special = auto()
+
+class AccountingSubcategory (Enum):
+    # Income
+    OrderFee = auto()
+    GasFee = auto()
+    FillFee = auto()
+
+    # Expense
+    Admin = auto()  # contract deployments and upgrades, changing adjuster address, etc.
+    TransactionGas = auto()
+    VaultCreation = auto()
+    Execution = auto()
+    FeeAdjustment = auto()  # includes adjusting fee limits
+
+    # Transfer
+    # Transfers have no subcategories, but the note field will be the address of the other account. Both a debit and a
+    # credit entry will be created, one for each account participating in the transfer.
+
+    # Special Codes
+    InitialBalance = auto()
+
+
+class Accounting (Base):
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    time: Mapped[datetime] = mapped_column(default=now(), index=True)
+    chain_id: Mapped[int] = mapped_column(index=True)  # chain_id
+    account: Mapped[str] = mapped_column(index=True)
+    category: Mapped[AccountingCategory] = mapped_column(index=True)
+    subcategory: Mapped[Optional[AccountingSubcategory]] = mapped_column(index=True)
+    token: Mapped[str] = mapped_column(index=True)
+    amount: Mapped[dec] = mapped_column(DecimalNumeric)
+    value: Mapped[Optional[dec]] = mapped_column(DecimalNumeric)  # USD value of the amount. If NULL then accounting has not been done for this row.
+
+    tx_id: Mapped[Optional[str]]
+    note: Mapped[Optional[str]]  # format depends on the type of entry
+
+class AccountKind (Enum):
+    Admin = 0 # administrative (contract deployments etc)
+    OrderFee = 1 # receives order placement fees
+    GasFee = 2 # receives gas fees
+    FillFee = 3 # receives fill fees
+    Execution = 4 # spends gas
+
+
+class DbAccount(Base):
+    __tablename__ = "account"
+    chain: Mapped[Blockchain] = mapped_column(primary_key=True)
+    address: Mapped[str] = mapped_column(primary_key=True)
+    kind: Mapped[AccountKind] = mapped_column(index=True)
+    balances: Mapped[dict[str, dec]] = mapped_column(MutableDict.as_mutable(Balances), default=dict, server_default="{}")
+    
+    reconciliations: Mapped[list["Reconciliation"]] = relationship(
+        "Reconciliation",
+        back_populates="account",
+        cascade="all, delete-orphan",
+    )
+
+# records balance snapshots that have been verified by matching all three sources of balance records:
+# 1. the on-chain balance as of the given block height (must be finalized)
+# 2. the DbAccount row balance (as saved in the single DbAccount row)
+# 3. the sum of all accounting rows for this address  (check the summation of itemizations)
+class Reconciliation (Base):
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    chain: Mapped[Blockchain] = mapped_column(index=True)
+    address: Mapped[str] = mapped_column(index=True)  # address of the Account we are reconciling
+    accounting_id: Mapped[int] = mapped_column(index=True)  # ID of the last accounting row to be processed for this Reconciliation
+    height: Mapped[int] = mapped_column(index=True)  # blockchain height
+    balances: Mapped[dict[str, dec]] = mapped_column(Balances, default=dict, server_default="{}")
+
+    account: Mapped[DbAccount] = relationship(
+        "DbAccount",
+        back_populates="reconciliations",
+        foreign_keys=[chain, address],
+    )
+
+    __table_args__ = (
+        ForeignKeyConstraint(
+            ["chain", "address"], ["account.chain", "account.address"], ondelete="CASCADE"
+        ),
+    )

src/dexorder/database/model/ofac.py

@@ -0,0 +1,26 @@
+import logging
+from datetime import datetime
+
+from sqlalchemy.orm import Mapped
+from sqlalchemy.testing.schema import mapped_column
+from typing_extensions import Optional
+
+from dexorder import now
+from dexorder.database.model import Base
+
+log = logging.getLogger(__name__)
+
+# todo check broad country restrictions
+
+class OFAC (Base):
+    address: Mapped[str] = mapped_column(primary_key=True)
+
+class OFACAlerts (Base):
+    """
+    This table records any time when a banned address tries to use our service.
+    """
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    time: Mapped[datetime] = mapped_column(default=now())
+    address: Mapped[str]
+    ip: Mapped[Optional[str]]
+

src/dexorder/database/model/sharedata.py

@@ -0,0 +1,12 @@
+import logging
+
+from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.orm import Mapped, mapped_column
+
+from dexorder.database.model import Base
+
+log = logging.getLogger(__name__)
+
+class ShareData (Base):
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    data: Mapped[dict] = mapped_column(JSONB)

src/dexorder/database/model/token.py

@@ -39,13 +39,13 @@ class Token (Base):
 
     chain: Mapped[Blockchain] = mapped_column(primary_key=True)
     address: Mapped[Address] = mapped_column(primary_key=True)
-    name: Mapped[str]
+    name: Mapped[str]  # indexed below
     symbol: Mapped[str] = mapped_column(index=True)
     decimals: Mapped[Uint8]
     approved: Mapped[bool] = mapped_column(index=True)
 
     __table_args__ = (
-        Index('idx_name', 'name', postgresql_using='gist'), # full text search on name
+        Index('ix_token_name', 'name', postgresql_using='gist'), # full text search on name
     )
 
 

src/dexorder/database/model/tos.py

@@ -0,0 +1,13 @@
+from datetime import datetime
+
+from sqlalchemy.orm import Mapped, mapped_column
+
+from dexorder.database.model import Base
+
+
+# We do not index this table since it is warehouse information and rarely if ever queried
+class TOSAcceptance (Base):
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    ipaddr: Mapped[str]
+    time: Mapped[datetime]
+    version: Mapped[datetime]

src/dexorder/database/model/transaction.py

@@ -5,7 +5,7 @@ from typing import Optional
 import sqlalchemy as sa
 from sqlalchemy.orm import mapped_column, Mapped
 
-from dexorder.base import TransactionRequest, transaction_request_registry
+from dexorder.base import TransactionRequest, transaction_request_deserializers
 from dexorder.database.column import Dict, Bytes, UUID_PK, Blockchain
 from dexorder.database.column_types import DataclassDict
 from dexorder.database.model import Base
@@ -18,6 +18,7 @@ class TransactionJobState (Enum):
     Sent = 's'  # tx has been delivered to a node
     Mined = 'z' # mined on at least one fork, whether reverted or not. todo handle forks that didnt confirm: receipts are per-fork!
     Error = 'x' # an exception has prevented this job from sending a transaction
+    Declined = 'd'  # the transaction builder successfully returned None
 
 
 # noinspection PyProtectedMember
@@ -27,7 +28,7 @@ TransactionJobStateColumnType = sa.Enum(TransactionJobState)
 
 def deserialize_transaction_request(**d):
     t = d['type']
-    Class = transaction_request_registry.get(t)
+    Class = transaction_request_deserializers.get(t)
     if Class is None:
         raise ValueError(f'No TransactionRequest for type "{t}"')
     # noinspection PyArgumentList

src/dexorder/database/model/vaultcreationrequest.py

@@ -0,0 +1,25 @@
+import logging
+from datetime import datetime
+from typing import Optional
+
+from sqlalchemy.dialects.postgresql import INET
+from sqlalchemy.orm import mapped_column, Mapped
+from sqlalchemy.schema import Index
+
+from dexorder.database.column import Blockchain
+from dexorder.database.model import Base
+
+log = logging.getLogger(__name__)
+
+class VaultCreationRequest (Base):
+    chain: Mapped[Blockchain] = mapped_column(primary_key=True)
+    owner: Mapped[str] = mapped_column(primary_key=True)
+    num: Mapped[int] = mapped_column(primary_key=True)
+    time: Mapped[datetime]
+    ipaddr: Mapped[str] = mapped_column(INET)
+    vault: Mapped[Optional[str]] = mapped_column(default=None, server_default=None)  # filled in after the vault is indeed created
+    
+    __table_args__ = (
+        Index("ix_vault_address_not_null", "vault", postgresql_where="vault IS NOT NULL"),
+    )
+

src/dexorder/event_handler.py

@@ -3,20 +3,23 @@ import logging
 
 from web3.types import EventData
 
-from dexorder import current_pub, minutely
+from dexorder import db, metric, current_w3, timestamp
+from dexorder.accounting import accounting_fill, accounting_placement
 from dexorder.base.chain import current_chain
 from dexorder.base.order import TrancheKey, OrderKey
 from dexorder.base.orderlib import SwapOrderState
 from dexorder.blocks import get_block_timestamp
-from dexorder.contract.dexorder import vault_address, VaultContract, get_factory_contract
+from dexorder.blockstate import current_blockstate
+from dexorder.contract.dexorder import VaultContract, get_factory_contract
+from dexorder.database.model import VaultCreationRequest
 from dexorder.impls import get_impl_version
 from dexorder.ohlc import ohlcs
 from dexorder.order.orderstate import Order
 from dexorder.order.triggers import (OrderTriggers, activate_order, update_balance_triggers, start_trigger_updates,
-                                     update_price_triggers)
+                                     update_price_triggers, TimeTrigger, PriceLineTrigger)
 from dexorder.pools import new_pool_prices, pool_prices, get_uniswap_data
 from dexorder.util import hexstr
-from dexorder.vault_blockdata import vault_owners, adjust_balance, MAX_VAULTS, verify_vault
+from dexorder.vault_blockdata import vault_owners, adjust_balance, verify_vault, publish_vaults
 
 log = logging.getLogger(__name__)
 
@@ -31,17 +34,20 @@ def init():
 
 
 async def handle_order_placed(event: EventData):
-    # event DexorderPlaced (uint64 startOrderIndex, uint8 numOrders);
+    # event DexorderSwapPlaced (uint64 startOrderIndex, uint8 numOrders, uint);
     addr = event['address']
-    start_index = int(event['args']['startOrderIndex'])
-    num_orders = int(event['args']['numOrders'])
-    # todo accounting
-    order_fee = int(event['args']['orderFee'])
-    gas_fee = int(event['args']['gasFee'])
-    log.debug(f'DexorderPlaced {addr} {start_index} {num_orders}')
+    try:
+        start_index = int(event['args']['startOrderIndex'])
+        num_orders = int(event['args']['numOrders'])
+    except KeyError:
+        log.warning(f'Rogue DexorderSwapPlaced in tx {hexstr(event["transactionHash"])}')
+        return
+    log.debug(f'DexorderSwapPlaced {addr} {start_index} {num_orders}')
     if not await verify_vault(addr):
         log.warning(f'Discarding order from rogue vault {addr}.')
         return
+    await accounting_placement(event)
+    metric.orders.inc()
     contract = None
     for index in range(start_index, start_index+num_orders):
         key = OrderKey(addr, index)
@@ -52,7 +58,7 @@ async def handle_order_placed(event: EventData):
             log.debug(f'raw order status {obj}')
             order = Order.create(addr, index, event['transactionHash'], obj)
             await activate_order(order)
-            log.debug(f'new order {order.key}{order}')
+            log.debug(f'new order {order.key} {await order.pprint()}')
 
 
 async def handle_swap_filled(event: EventData):
@@ -60,17 +66,24 @@ async def handle_swap_filled(event: EventData):
     log.debug(f'DexorderSwapFilled {event}')
     args = event['args']
     vault = event['address']
-    order_index = args['orderIndex']
-    tranche_index = args['trancheIndex']
-    amount_in = args['amountIn']
-    amount_out = args['amountOut']
-    fill_fee = args['fillFee']
-    next_execution_time = args['nextExecutionTime']
+    try:
+        order_index = args['orderIndex']
+        tranche_index = args['trancheIndex']
+        amount_in = args['amountIn']
+        amount_out = args['amountOut']
+        fill_fee = args['fillFee']
+        next_execution_time = args['nextExecutionTime']
+    except KeyError:
+        log.warning(f'Rogue DexorderSwapFilled in tx {hexstr(event["transactionHash"])}')
+        return
     try:
         order: Order = Order.of(vault, order_index)
     except KeyError:
         log.warning(f'DexorderSwapFilled IGNORED due to missing order {vault} {order_index}')
         return
+    value = await accounting_fill(event, order.order.tokenOut)
+    if value is not None:
+        metric.volume.inc(float(value))
     order.status.trancheStatus[tranche_index].activationTime = next_execution_time  # update rate limit
     try:
         triggers = OrderTriggers.instances[order.key]
@@ -109,13 +122,11 @@ async def handle_order_cancel_all(event: EventData):
 
 
 async def handle_transfer(transfer: EventData):
-    # todo handle native transfers incl gas for token transfers
     # log.debug(f'Transfer {transfer}')
     from_address = transfer['args']['from']
     to_address = transfer['args']['to']
-    if to_address == from_address:
-        return
     amount = int(transfer['args']['value'])
+    token_address = transfer['address']
     if to_address in vault_owners:
         log.debug(f'deposit {to_address} {amount}')
         vault = to_address
@@ -125,10 +136,12 @@ async def handle_transfer(transfer: EventData):
     else:
         vault = None
     if vault is not None:
-        token_address = transfer['address']
         await adjust_balance(vault, token_address, amount)
-        await update_balance_triggers(vault, token_address, amount)
-
+        await update_balance_triggers(vault, token_address)
+    # This wuold double-count fill fees. Instead, we book the transfer when sending money to the account as part of a refill.
+    # if is_tracked_address(to_address):
+    #     # noinspection PyTypeChecker
+    #     await accounting_transfer(transfer, token_address, from_address, to_address, amount, adjust_decimals=True)
 
 async def handle_uniswap_swaps(swaps: list[EventData]):
     # asynchronously prefetch the block timestamps we'll need
@@ -159,20 +172,26 @@ async def handle_vault_created(created: EventData):
     except KeyError:
         log.debug('couldnt parse event data for VaultCreated', created)
         return
+
+    # stop trying to create the vault
+    chain_id = current_chain.get().id
+    db_req = db.session.get(VaultCreationRequest, (chain_id, owner, num))
+    if db_req is None:
+        log.warning(f'could not find vault creation request {chain_id}|{owner}|{num}')
+    else:
+        db_req.vault = addr
+
     # Verify the authenticity of the vault. We are permissive on Mockchain due to irregular restarts of various components
     if not await verify_vault(addr, owner, num):
         log.warning(f'Discarding rogue vault {addr}')
         return
     vault_owners[addr] = owner
     log.debug(f'VaultCreated {owner} #{num} => {addr}')
-    vaults = []
-    for num in range(MAX_VAULTS):
-        addr = vault_address(owner, num)
-        if addr in vault_owners:
-            vaults.append(addr)
-        else:
-            break
-    current_pub.get()(f'{current_chain.get().id}|{owner}', 'vaults', vaults)
+    publish_vaults(chain_id, owner)
+    # BlockData doesn't have an easy way to calculate exact sizes because some keys could hold DELETE values, so
+    # this is actually an upper limit on the size.
+    approx_size = len(current_blockstate.get().diffs_by_series)
+    metric.vaults.set(approx_size)
 
 
 async def handle_vault_impl_changed(upgrade: EventData):
@@ -193,3 +212,22 @@ async def handle_vault_impl_changed(upgrade: EventData):
     version = await get_impl_version(impl)
     log.debug(f'Vault {addr} upgraded to impl version {version}')
 
+
+slow_metric_update = 0
+async def update_metrics():
+
+    # called at the end of the runloop in the worker context
+    metric.vaults.set(vault_owners.upper_len())
+    metric.open_orders.set(Order.open_orders.upper_len())
+    metric.triggers_time.set(len(TimeTrigger.all))
+    metric.triggers_line.set(sum(len(s) for s in PriceLineTrigger.by_pool.values()))
+
+    # slow updates
+    global slow_metric_update
+    now = timestamp()
+    if now - slow_metric_update >= 60:
+        slow_metric_update = now
+
+        # put slow updates here
+        price = await current_w3.get().eth.gas_price
+        metric.gas_price.observe(price)

src/dexorder/feemanager.py

@@ -0,0 +1,31 @@
+import asyncio
+import logging
+
+from dexorder.contract import ContractProxy
+from dexorder.contract.dexorder import get_factory_contract, get_fee_manager_contract
+
+log = logging.getLogger(__name__)
+
+class FeeManager (ContractProxy):
+    _instance: 'FeeManager' = None
+
+    @staticmethod
+    async def get():
+        if FeeManager._instance is None:
+            fee_manager = await get_fee_manager_contract()
+            order_fee_account_addr, gas_fee_account_addr, fill_fee_account_addr = await asyncio.gather(
+                fee_manager.orderFeeAccount(),
+                fee_manager.gasFeeAccount(),
+                fee_manager.fillFeeAccount()
+            )
+            FeeManager._instance = FeeManager(fee_manager.address, order_fee_account_addr, gas_fee_account_addr, fill_fee_account_addr)
+        return FeeManager._instance
+
+
+    def __init__(self, address, order_fee_account_addr, gas_fee_account_addr, fill_fee_account_addr):
+        super().__init__(address, 'IFeeManager')
+        self.order_fee_account_addr = order_fee_account_addr
+        self.gas_fee_account_addr = gas_fee_account_addr
+        self.fill_fee_account_addr = fill_fee_account_addr
+
+

src/dexorder/final_ohlc.py

@@ -146,8 +146,11 @@ class OHLCFile:
             t, o, c = self.cur
             self.cur = t, o, max(o,c,price), min(o,c,price), price
         else:
-            t, o, h, line, c = self.cur
-            self.cur = t, o, max(h,line,price), min(h,line,price), price
+            try:
+                t, o, h, line, c = self.cur
+                self.cur = t, o, max(h,line,price), min(h,line,price), price
+            except ValueError:
+                log.error(f'Could not unpack cur {self.cur}')
 
     @staticmethod
     def row_bytes(row):

src/dexorder/gas_fees.py

@@ -0,0 +1,163 @@
+import logging
+import math
+from dataclasses import dataclass
+from typing import Optional
+
+import eth_account
+from web3.types import EventData
+
+from dexorder import current_w3, config, Account
+from dexorder.accounting import accounting_transaction_gas
+from dexorder.alert import warningAlert
+from dexorder.base import TransactionReceiptDict, TransactionRequest
+from dexorder.contract.contract_proxy import ContractTransaction
+from dexorder.contract.dexorder import get_fee_manager_contract
+from dexorder.database.model import TransactionJob
+from dexorder.database.model.accounting import AccountingSubcategory
+from dexorder.transactions import TransactionHandler, submit_transaction_request
+from dexorder.util.convert import to_base_exp
+
+log = logging.getLogger(__name__)
+
+order_fee: Optional[int] = None
+gas_fee: Optional[int] = None
+fill_fee_half_bps: Optional[int] = None
+
+order_fee_limit: Optional[int] = None
+gas_fee_limit: Optional[int] = None
+fill_fee_half_bps_limit: Optional[int] = None
+
+adjuster_account: Optional[Account] = None
+adjuster_locked = False
+
+
+@dataclass
+class AdjustFeeTransactionRequest (TransactionRequest):
+    TYPE = 'adjust'
+
+    order_fee: int
+    order_exp: int
+    gas_fee: int
+    gas_exp:int
+    fill_fee_half_bps: int
+
+    # noinspection PyShadowingNames
+    def __init__(self, order_fee: int, order_exp: int, gas_fee: int, gas_exp:int, fill_fee_half_bps: int):
+        super().__init__(AdjustFeeTransactionRequest.TYPE, (order_fee, order_exp, gas_fee, gas_exp, fill_fee_half_bps))
+        self.order_fee = order_fee
+        self.order_exp = order_exp
+        self.gas_fee = gas_fee
+        self.gas_exp = gas_exp
+        self.fill_fee_half_bps = fill_fee_half_bps
+
+    @property
+    def schedule(self):
+        return self.order_fee, self.order_exp, self.gas_fee, self.gas_exp, self.fill_fee_half_bps
+
+
+class AdjustFeeTransactionHandler (TransactionHandler):
+
+    async def build_transaction(self, job_id: int, tr: TransactionRequest) -> Optional[ContractTransaction]:
+        tr: AdjustFeeTransactionRequest
+        fee_manager = await get_fee_manager_contract()
+        return await fee_manager.build.setFees(tr.schedule)
+
+    async def complete_transaction(self, job: TransactionJob, receipt: TransactionReceiptDict) -> None:
+        await accounting_transaction_gas(receipt, AccountingSubcategory.FeeAdjustment)  # vault creation gas
+
+    async def transaction_exception(self, job: TransactionJob, e: Exception) -> None:
+        pass
+
+    async def acquire_account(self) -> Optional[Account]:
+        global adjuster_account, adjuster_locked
+        if adjuster_locked:
+            return None
+        if config.adjuster is None:
+            return None
+        if adjuster_account is None:
+            local_account = eth_account.Account.from_key(config.adjuster)
+            adjuster_account = Account(local_account)
+        adjuster_locked = True
+        return adjuster_account
+
+    async def release_account(self, account: Account):
+        global adjuster_locked
+        adjuster_locked = False
+
+
+async def ensure_gas_fee_data():
+    global order_fee, gas_fee, fill_fee_half_bps, order_fee_limit, gas_fee_limit, fill_fee_half_bps_limit
+    if order_fee is None or gas_fee is None or order_fee_limit is None or gas_fee_limit is None:
+        fee_manager = await get_fee_manager_contract()
+        order_fee_base, order_fee_exp, gas_fee_base, gas_fee_exp, fill_fee_half_bps = await fee_manager.fees()
+        order_fee = order_fee_base << order_fee_exp
+        gas_fee = gas_fee_base << gas_fee_exp
+        order_fee_base_limit, order_fee_exp_limit, gas_fee_base_limit, gas_fee_exp_limit, fill_fee_half_bps_limit = await fee_manager.fee_limits()
+        order_fee_limit = order_fee_base_limit << order_fee_exp_limit
+        gas_fee_limit = gas_fee_base_limit << gas_fee_exp_limit
+        return fee_manager
+    return None
+
+
+async def adjust_gas():
+    if not config.adjuster:
+        return
+    w3 = current_w3.get()
+    price = await w3.eth.gas_price
+    new_order_fee = round(config.order_gas * config.order_gas_multiplier * price)
+    new_gas_fee = round(config.order_gas * config.order_gas_multiplier * price)
+    log.debug(f'avg gas price: {price/10**18}')
+    await ensure_gas_fee_data()
+    global order_fee, gas_fee
+    if abs(1 - new_order_fee / order_fee) >= config.fee_leeway or abs(1 - new_gas_fee / gas_fee) >= config.fee_leeway:
+        if new_order_fee > order_fee_limit or new_gas_fee > gas_fee_limit:
+            warningAlert('Fees Hit Limits', 'Adjusting fees would exceed existing fee limits.')
+            new_order_fee = min(order_fee_limit, new_order_fee)
+            new_gas_fee = min(gas_fee_limit, new_gas_fee)
+        # TODO check if the new fee is adjusting upwards too fast and cap it
+        # TODO check if the new fees are already proposed and pending
+        # if new_order_fee/order_fee - 1 >
+        if new_order_fee != order_fee or new_gas_fee != gas_fee:
+            log.info(f'adjusting gas fees: orderFee={new_order_fee/10**18}, gasFee={new_gas_fee/10**18}')
+            new_order_fee_base, new_order_fee_exp = to_base_exp(new_order_fee, math.floor)
+            new_gas_fee_base, new_gas_fee_exp = to_base_exp(new_gas_fee, math.floor)
+            req = AdjustFeeTransactionRequest(new_order_fee_base, new_order_fee_exp,
+                                              new_gas_fee_base, new_gas_fee_exp, fill_fee_half_bps)
+            submit_transaction_request(req)
+
+
+# noinspection DuplicatedCode
+async def handle_fee_limits_changed(event: EventData):
+    try:
+        fees = event['args']['fees']
+        new_order_fee_limit = fees['orderFee']
+        new_order_exp_limit = fees['orderExp']
+        new_gas_fee_limit = fees['gasFee']
+        new_gas_exp_limit = fees['gasExp']
+        new_fill_fee_half_bps_limit = fees['fillFeeHalfBps']
+    except KeyError:
+        return
+    global order_fee_limit, gas_fee_limit
+    order_fee_limit = new_order_fee_limit << new_order_exp_limit
+    gas_fee_limit = new_gas_fee_limit << new_gas_exp_limit
+    fill_fee_limit = new_fill_fee_half_bps_limit / 200
+    log.info(f'gas fee limits updated: orderFeeLimit={new_order_fee_limit/10**18}, gasFeeLimit={new_gas_fee_limit/10**18}, fillFeeLimit={fill_fee_limit:.3%}')
+
+
+# noinspection DuplicatedCode
+async def handle_fees_changed(event: EventData):
+    try:
+        fees = event['args']['fees']
+        new_order_fee = fees['orderFee']
+        new_order_exp = fees['orderExp']
+        new_gas_fee = fees['gasFee']
+        new_gas_exp = fees['gasExp']
+        new_fill_fee_half_bps = fees['fillFeeHalfBps']
+    except KeyError:
+        return
+    global order_fee, gas_fee
+    order_fee = new_order_fee << new_order_exp
+    gas_fee = new_gas_fee << new_gas_exp
+    fill_fee = new_fill_fee_half_bps / 200
+    log.info(f'gas fees updated: orderFee={new_order_fee/10**18}, gasFee={new_gas_fee/10**18}, fillFee={fill_fee:.3%}')
+

src/dexorder/marks.py

@@ -0,0 +1,44 @@
+"""
+"marks" are mark-to-market USD values of a selected set of tokens called quote tokens.  Publishing a set of USD marks
+for the quote tokens allows almost any token to be marked to USD via one hop.
+"""
+
+import logging
+import time
+
+from dexorder import dec, NATIVE_TOKEN, config
+from dexorder.base.chain import current_chain
+from dexorder.blockstate import BlockDict
+from dexorder.pools import quotes, mark_to_market
+
+log = logging.getLogger(__name__)
+
+def pub_marks(_s,k,v):
+    chain_id = current_chain.get().id
+    return str(chain_id), 'marks.usd', (chain_id, k, str(v))
+
+
+marks: BlockDict[str, dec] = BlockDict('mark.usd', db=False, redis=True, pub=pub_marks, value2str=str)
+
+class RateLimiter:
+    def __init__(self, rate: float):
+        self.rate = rate
+        self.last_update = 0.0
+
+    def ready(self):
+        now = time.monotonic()
+        if now - self.last_update < self.rate:
+            return False
+        self.last_update = now
+        return True
+
+mark_publish_rate = RateLimiter(config.mark_publish_seconds)
+
+def publish_marks():
+    if mark_publish_rate.ready():
+        for token_addr in [NATIVE_TOKEN]+quotes:
+            # overwrite=False checks the previous value and does not generate a diff if the values match. This prevents
+            # excessive updates to Redis
+            value = mark_to_market(token_addr)
+            if value is not None:
+                marks.setitem(token_addr, value, overwrite=False)

src/dexorder/memcache/__init__.py

@@ -1,3 +1,4 @@
+import itertools
 import logging
 from contextlib import asynccontextmanager
 from contextvars import ContextVar
@@ -10,16 +11,70 @@ from dexorder import config
 
 log = logging.getLogger(__name__)
 
+BATCH_SIZE = 1_000
+
+class PipelineProxy:
+    def __init__(self, pipe: Pipeline):
+        self.pipe = pipe
+        self.ops = 0
+
+    async def push(self, num=1):
+        self.ops += num
+        if self.ops >= BATCH_SIZE:
+            self.ops = 0
+            await self.pipe.execute()
+
+    async def sadd(self, series, *keys):
+        while keys:
+            most = min(BATCH_SIZE-self.ops, len(keys))
+            assert most > 0
+            send = keys[:most]
+            keys = keys[most:]
+            await self.pipe.sadd(series, *send)
+            await self.push(len(send))
+
+    async def srem(self, series, *keys):
+        while keys:
+            most = min(BATCH_SIZE-self.ops, len(keys))
+            assert most > 0
+            send = keys[:most]
+            keys = keys[most:]
+            await self.pipe.srem(series, *send)
+            await self.push(len(send))
+
+    async def hset(self, series, *, mapping):
+        items = list(mapping.items())
+        while items:
+            most = min(BATCH_SIZE-self.ops, len(items))
+            assert most > 0
+            send = items[:most]
+            items = items[most:]
+            await self.pipe.hset(series, mapping={k:v for k,v in send})
+            await self.push(len(send))
+
+    async def hdel(self, series, *keys):
+        while keys:
+            most = min(BATCH_SIZE-self.ops, len(keys))
+            assert most > 0
+            send = keys[:most]
+            keys = keys[most:]
+            await self.pipe.hdel(series, *send)
+            await self.push(len(send))
+
+    def __getattr__(self, item):
+        return getattr(self.pipe, item)
+
 
 class Memcache:
     @staticmethod
     @asynccontextmanager
-    async def batch():
+    async def batch(transaction=True):
         old_redis: Redis = current_redis.get()
-        pipe: Pipeline = old_redis.pipeline()
+        pipe = old_redis.pipeline(transaction=transaction)
+        # noinspection PyTypeChecker
         current_redis.set(pipe)
         try:
-            yield pipe
+            yield PipelineProxy(pipe)
             await pipe.execute()
         finally:
             current_redis.set(old_redis)

src/dexorder/memcache/memcache_state.py

@@ -12,7 +12,8 @@ from dexorder.blockstate.blockdata import SeriesCollection, BlockData
 from dexorder.blockstate.diff import DiffEntryItem
 from dexorder.blockstate.fork import Fork
 from dexorder.blockstate.state import compress_diffs
-from dexorder.memcache import current_redis, memcache
+from dexorder.memcache import current_redis, memcache, PipelineProxy
+from dexorder.util import hexstr
 from dexorder.util.async_util import maywait
 from dexorder.util.json import json_encoder
 
@@ -39,11 +40,11 @@ class RedisState (SeriesCollection):
         for series in self.datas.keys():
             for k, v in state.iteritems(fork, series):
                 diffs.append(DiffItem(series, k, v))
-        await self.save(fork, diffs)
+        await self.save(fork, diffs, use_transaction=False, skip_pubs=True)  # use_transaction=False if the data is too big
 
 
     # noinspection PyAsyncCall
-    async def save(self, fork: Fork, diffs: Reversible[Union[DiffItem, DiffEntryItem]]):
+    async def save(self, fork: Fork, diffs: Reversible[Union[DiffItem, DiffEntryItem]], *, use_transaction=True, skip_pubs=False):
         # the diffs must be already compressed such that there is only one action per key
         chain = current_chain.get()
         chain_id = chain.id
@@ -90,21 +91,23 @@ class RedisState (SeriesCollection):
                     hsets[series][key] = value
                 else:
                     raise NotImplementedError
-        async with memcache.batch() as r:
-            r: Pipeline
+
+        async with memcache.batch(use_transaction) as r:
+            r: PipelineProxy
             for series, keys in sadds.items():
-                r.sadd(series, *keys)
+                await r.sadd(series, *keys)
             for series, keys in sdels.items():
-                r.srem(series, *keys)
+                await r.srem(series, *keys)
             for series, kvs in hsets.items():
-                r.hset(series, mapping=kvs)
+                await r.hset(series, mapping=kvs)
             for series, keys in hdels.items():
-                r.hdel(series, *keys)
+                await r.hdel(series, *keys)
             block_series = f'{chain_id}|head'
-            r.json(json_encoder).set(block_series,'$',[fork.height, fork.head])
-            pubs.append((str(chain_id), 'head', [fork.height, fork.head]))
+            headstr = hexstr(fork.head)
+            r.json(json_encoder).set(block_series,'$',[fork.height, headstr])
+            pubs.append((str(chain_id), 'head', [fork.height, headstr]))
         # separate batch for pubs
-        if pubs:
+        if pubs and not skip_pubs:
             await publish_all(pubs)
 
 

src/dexorder/metric/__init__.py

@@ -0,0 +1,8 @@
+default_labels = dict(
+    # Default label keys must be defined here but set their actual values later in metrics_startup.py:setup_default_labels()
+    pod=None,
+    chain_id=None,
+)
+
+from .metric_type import *
+from .metrics import *

src/dexorder/metric/metric_startup.py

@@ -0,0 +1,34 @@
+import os
+
+from prometheus_client import start_http_server
+
+from dexorder import config, metric, now
+from dexorder.base.chain import current_chain
+
+_chain_id = None
+
+
+def _height_or_none(block):
+    return None if block is None else block.height
+
+
+def start_metrics_server():
+    # First, set default_labels
+    setup_default_labels()
+    # Start the http daemon thread
+    start_http_server(config.metrics_port)
+
+
+def setup_default_labels():
+    global _chain_id
+    _chain_id = current_chain.get().id
+    metric.default_labels['chain_id'] = _chain_id
+    metric.default_labels['pod'] = os.environ.get('HOSTNAME', '')
+
+    metric.info.info({
+        # MUST BE STRING VALUES
+        'started': now().isoformat(),
+        # 'pod': os.environ.get('HOSTNAME', ''),
+        # 'chain_id': _chain_id,
+    })
+

src/dexorder/metric/metric_type.py

@@ -0,0 +1,94 @@
+__all__ = ['Counter', 'Gauge', 'Summary', 'Histogram', 'Info', 'Enum']
+
+import functools
+
+import prometheus_client as pc
+
+from dexorder import metric
+from dexorder.metric import default_labels
+
+
+def metric_class(OurCls, PcCls, **defaultkw):
+	def construct(defkw, name, documentation, labelnames=(), namespace='dexorder', **kwargs):
+		kw = dict(defkw)
+		kw.update(kwargs)
+		labelnames = tuple(labelnames) + tuple(metric.default_labels.keys()) + tuple(kw.pop('labelnames', ()))
+		return OurCls(PcCls(name, documentation, labelnames, namespace, **kw))
+
+	return functools.partial(construct,defaultkw)
+
+
+class _Labeled:
+
+	def __init__(self, obj, labels=None):
+		self._obj = obj
+		self._labels = labels or {}
+
+	def labels(self, **kwargs):
+		kw = self._labels.copy()
+		kw.update(kwargs)
+		return self.__class__(self._obj, kw)
+
+	def _apply(self):
+		labels = default_labels | self._labels
+		return self._obj.labels(**labels) if labels else self._obj
+
+
+class _Counter(_Labeled):
+	def inc(self, amount=1):
+		self._apply().inc(amount)
+
+
+Counter = metric_class(_Counter, pc.Counter)
+
+
+class _Gauge(_Labeled):
+	def inc(self, amount=1):
+		self._apply().inc(amount)
+
+	def dec(self, amount=1):
+		self._apply().dec(amount)
+
+	def set(self, value):
+		self._apply().set(value)
+
+	def set_to_current_time(self):
+		self._apply().set_to_current_time()
+
+	def set_function(self, f):
+		self._apply().set_function(f)
+
+Gauge = metric_class(_Gauge, pc.Gauge)
+
+
+class _Summary(_Labeled):
+	def observe(self, amount):
+		self._apply().observe(amount)
+
+
+Summary = metric_class(_Summary, pc.Summary)
+
+
+class _Histogram(_Labeled):
+	def observe(self, amount):
+		self._apply().observe(amount)
+
+
+Histogram = metric_class(_Histogram, pc.Histogram)
+
+
+class _Info(_Labeled):
+	def info(self, val):
+		self._apply().info(val)
+
+
+Info = metric_class(_Info, pc.Info)
+
+
+class _Enum(_Labeled):
+	def state(self, state):
+		self._apply().state(state)
+
+
+Enum = metric_class(_Enum, pc.Enum)
+

src/dexorder/metric/metrics.py

@@ -0,0 +1,25 @@
+from .metric_type import *
+
+# Put any set_function(...) calls in metric_startup.py:automatic_metrics()
+
+info = Info("backend_info", "Information about the backend process")
+
+block_current = Gauge("block_current", "Current block number being processed")
+block_latest = Gauge("block_latest", "Highest block number seen")
+
+runner_loops = Counter("runner_loops", "Number of times the runner loop has been completed")
+runner_latency = Summary("runner_latency", "How old the current block being processed is, in seconds")
+
+vaults = Gauge("vaults", "Total vault count", )
+orders = Counter("orders", "Orders placed", )
+open_orders = Gauge("open_orders", "Total active orders", )
+triggers_time = Gauge("triggers_time", "Total active time triggers", )
+triggers_line = Gauge("triggers_line", "Total active line triggers", )
+executions = Counter("executions", "Total executions attempted")
+executions_failed = Counter("executions_failed", "Number of failed execution attempts")
+volume = Counter("volume", "Total volume of successful executions in USD")
+
+account_total = Gauge('account_total', 'Total number of accounts configured')
+account_available = Gauge('account_available', 'Number of accounts that do not have any pending transactions')
+
+gas_price = Summary('gas_price', 'Gas price in wei')

src/dexorder/ofac.py

@@ -0,0 +1,128 @@
+import json
+import logging
+import re
+import xml.etree.ElementTree as ET
+from datetime import datetime, timedelta
+from pytz import timezone
+
+import requests
+from eth_utils import to_checksum_address
+
+from dexorder import db
+from dexorder.base.chain import current_chain
+from dexorder.database.model.ofac import OFAC
+
+log = logging.getLogger(__name__)
+deny = set()
+ofac_enabled = True
+
+def init_ofac():
+    if current_chain.get().id in [1337,31337]:
+        log.info(f'OFAC disabled on test network {current_chain.get()}')
+        global ofac_enabled
+        ofac_enabled = False
+        return
+    global deny
+    deny = set(o.address for o in db.session.query(OFAC).all())
+    update_ofac()
+
+# feature_ids are the OFAC feature integer ID's for cryptocurrency features e.g. "Digital Currency - BTC"
+def save_ofac_meta(date: datetime, feature_ids: set[int]):
+    # todo tim debug
+    pass
+    # db.kv['ofac_meta'] = dict(date=date.isoformat(), feature_ids=sorted(feature_ids))
+    
+def get_ofac_meta():
+    # found = db.kv.get('ofac_meta')
+    found = None  # todo tim debug
+    if found is None:
+        return None, set()
+    [date, feature_ids] = found
+    date = datetime.fromisoformat(date)
+    return date, set(feature_ids)
+
+def add_ofac_denial(addr):
+    db.session.add(OFAC(addr))
+    deny.add(addr)
+    # todo push to redis
+
+def process_ofac_xml(xml: str, date: datetime = None, feature_ids: set[int] = None):
+    if date is None or feature_ids is None:
+        [date, feature_ids] = get_ofac_meta()
+
+    # Parse the XML string
+    doc = ET.parse(xml)
+    ns = {'o':'https://sanctionslistservice.ofac.treas.gov/api/PublicationPreview/exports/ENHANCED_XML'}
+    new_date = datetime.fromisoformat(doc.find('./o:publicationInfo/o:dataAsOf', ns).text)
+    if date is not None and new_date <= date:
+        if new_date < date:
+            log.debug('ignoring old OFAC XML')
+        return
+    for ft in doc.findall('./o:featureTypes/o:featureType', ns):
+        found = re.match(r'Digital Currency Address - (.+)', ft.find('./o:type', ns).text)
+        if found:
+            currency = found.group(1)
+            feature_id = int(ft.attrib['featureTypeId'])
+            print(currency, feature_id)
+            feature_ids.add(feature_id)
+    for e in doc.findall('./o:entities/o:entity', ns):
+        for f in e.findall('./o:features/o:feature', ns):
+            t = f.find('./o:type', ns)
+            feature_id = int(t.attrib['featureTypeId'])
+            if feature_id in feature_ids:
+                addr = f.find('./o:value', ns).text
+                if addr.startswith('0x'):
+                    check = to_checksum_address(addr)
+                    add_ofac_denial(check)
+                    print(check)
+    save_ofac_meta(new_date, feature_ids)
+    return new_date, feature_ids
+
+
+def day(date, tz=None):
+    if tz is None:
+        tz = date.tzinfo
+    return datetime(date.year, date.month, date.day, tzinfo=tz)
+
+
+treasury_tz = timezone('America/New_York')
+
+
+def update_ofac():
+    if not ofac_enabled:
+        return
+    date: datetime
+    [date, feature_ids] = get_ofac_meta()
+    if date is None:
+        # fetch and process the full dataset
+        log.info(f'initializing OFAC')
+        url = 'https://sanctionslistservice.ofac.treas.gov/entities'
+        xml = requests.get(url).text
+        process_ofac_xml(xml, date, feature_ids)
+    else:
+        # fetch only the changes since last time
+        now = day(date)
+        last = day(datetime.now(date.tzinfo))
+        publications = []
+        while now <= last:
+            url = f'https://sanctionslistservice.ofac.treas.gov/changes/history/{now.year}/{now.month}/{now.day}'
+            for pub in json.loads(requests.get(url).text):
+                # {"publicationID":407,"datePublished":"2024-11-19T10:03:00.790295"}
+                # NO TIMEZONE IN THIS RESPONSE :(((((
+                pub_id = pub['publicationId']
+                pub_date = day(pub['datePublished'], treasury_tz)
+                if pub_date > date:
+                    publications.append(pub_id)
+            now += timedelta(days=1)
+        if not publications:
+            log.info(f'OFAC table is current. Last publication date: {date}')
+        else:
+            for pub_id in publications:
+                url = f'https://sanctionslistservice.ofac.treas.gov/changes/{pub_id}'
+                xml = requests.get(url).text
+                date, feature_ids = process_ofac_xml(xml, date, feature_ids)
+                log.info(f'OFAC updated with publication {pub_id} {date}')
+
+
+if __name__ == '__main__':
+    process_ofac_xml('/tmp/entities.xml')

src/dexorder/ohlc.py

@@ -359,7 +359,7 @@ class OHLCRepository:
         if price is None, then bars are advanced based on the time but no new price is added to the series.
         """
         if OHLC_LIMIT_POOLS_DEBUG is not None and (symbol,period) not in OHLC_LIMIT_POOLS_DEBUG:
-            return
+            return None
         # logname = f'{symbol} {period_name(period)}'
         # log.debug(f'Updating OHLC {logname} {minutely(time)} {price}')
         if price is not None:
@@ -371,33 +371,31 @@ class OHLCRepository:
         # log.debug(f'got recent {historical}')
         if not historical:
             if create is False or price is None:
-                return  # do not track symbols which have not been explicity set up
-            historical = []
+                return None  # do not track symbols which have not been explicity set up
             updated = [NativeOHLC(ohlc_start_time(time, period), price, price, price, price)]
             # log.debug(f'\tcreated new bars {updated}')
         else:
             updated = update_ohlc(historical[-1], period, time, price)
-            # drop any historical bars that are older than we need
-            # oldest_needed = cover the root block time plus one period prior
-            root_branch = current_blockstate.get().root_branch
-            root_hash = root_branch.head
-            if root_hash is not None:
-                root_timestamp = await get_block_timestamp(root_hash)
-                oldest_needed = from_timestamp(root_timestamp) - period
-                # noinspection PyTypeChecker
-                trim = (oldest_needed - historical[0].start) // period
-                if trim > 0:
-                    historical = historical[trim:]
-
-        # now overlap the updated data on top of the historical data
-        if not historical or not updated:
-            updated = historical + updated
-        else:
+            # overlap the updated OHLC's on top of the historical ones
             last_bar = historical[-1].start
             first_updated = updated[0].start
             overlap = (first_updated - last_bar) // period + 1
             updated = historical[:-overlap] + updated if overlap > 0 else historical + updated
-        # log.debug(f'\tnew recents: {updated}')
+
+        # drop any bars that are older than we need
+        # oldest_needed = cover the root block time plus one period prior
+        root_branch = current_blockstate.get().root_branch
+        root_hash = root_branch.head
+        if root_hash is not None:
+            root_timestamp = await get_block_timestamp(root_hash)
+            oldest_needed = from_timestamp(root_timestamp) - period
+            # noinspection PyTypeChecker
+            trim = (oldest_needed - updated[0].start) // period
+            if trim > 0:
+                updated = updated[trim:]
+
+        # if len(updated) > 3:
+        #     log.debug(f'\tnew recents ({len(updated)}): {updated}')
         recent_ohlcs.setitem(key, updated)
         return updated
 

src/dexorder/order/__init__.py

@@ -1,5 +1,3 @@
-from .executionhandler import TrancheExecutionHandler # do not remove. ensures the handler is registered.
-
 def order_key(vault:str, ):
     return f'{vault}'
 

src/dexorder/order/executionhandler.py

@@ -1,26 +1,69 @@
 import logging
-from typing import Optional
+from dataclasses import dataclass
+from typing import Optional, Union, Any
 from uuid import UUID
 
 from web3.exceptions import ContractPanicError, ContractLogicError
 from web3.types import EventData
 
-from dexorder import db
-from dexorder.base import TransactionReceiptDict
+from dexorder import db, metric, config
+from dexorder.accounting import accounting_transaction_gas
+from dexorder.base import TransactionReceiptDict, TransactionRequest, transaction_request_deserializers
 from dexorder.base.order import TrancheKey, OrderKey
 from dexorder.base.orderlib import PriceProof
 from dexorder.contract.dexorder import get_dexorder_contract
+from dexorder.database.model.accounting import AccountingSubcategory
 from dexorder.database.model.transaction import TransactionJob
 from dexorder.order.orderstate import Order
-from dexorder.order.triggers import (inflight_execution_requests, OrderTriggers,
+from dexorder.order.triggers import (OrderTriggers,
                                      TrancheState, active_tranches, order_error)
-from dexorder.transactions import TransactionHandler, TrancheExecutionRequest, submit_transaction_request, \
-    new_tranche_execution_request
+from dexorder.transactions import TransactionHandler, submit_transaction_request
 from dexorder.util import hexbytes
+from dexorder.vault_blockdata import refresh_vault_balances
 
 log = logging.getLogger(__name__)
 
 
+@dataclass
+class TrancheExecutionRequest (TransactionRequest):
+    TYPE = 'te'
+
+    # type='te' for tranche execution
+    vault: str
+    order_index: int
+    tranche_index: int
+    price_proof: Union[None,dict,tuple[int]]
+
+    def __init__(self, vault: str, order_index: int, tranche_index: int, price_proof: Union[None,dict,tuple[int]], **_):
+        super().__init__(TrancheExecutionRequest.TYPE, (vault, order_index, tranche_index))
+        self.vault = vault
+        self.order_index = order_index
+        self.tranche_index = tranche_index
+        self.price_proof = price_proof
+
+    def key(self) -> Any:
+        return self.vault, self.order_index, self.tranche_index
+
+    @property
+    def order_key(self):
+        return OrderKey(self.vault, self.order_index)
+
+    @property
+    def tranche_key(self):
+        return TrancheKey(self.vault, self.order_index, self.tranche_index)
+
+
+# Must register the class for deserialization
+# noinspection PyTypeChecker
+transaction_request_deserializers[TrancheExecutionRequest.TYPE] = lambda **data: TrancheExecutionRequest(data['vault'], data['order_index'], data['tranche_index'], data['price_proof'] if 'price_proof' in data else None)
+
+
+def new_tranche_execution_request(tk: TrancheKey, proof: Optional[PriceProof]=None) -> TrancheExecutionRequest:
+    if proof is None:
+        proof = PriceProof(0)
+    return TrancheExecutionRequest(tk.vault, tk.order_index, tk.tranche_index, proof.dump())
+
+
 class TrancheExecutionHandler (TransactionHandler):
     def __init__(self):
         super().__init__('te')
@@ -37,24 +80,24 @@ class TrancheExecutionHandler (TransactionHandler):
             errcode = hexbytes(x.args[1]).decode('utf-8')
         log.error(f'While building execution for tranche {tk}: {errcode}')
         # if there's a logic error we shouldn't keep trying
-        finish_execution_request(tk, errcode)
+        await finish_execution_request(tk, errcode)
         raise exception
 
     async def complete_transaction(self, job: TransactionJob, receipt: TransactionReceiptDict) -> None:
-        # we handle execution results using the DexorderExecution event, so there's nothing to do here.
-        pass
+        # we handle execution results using the DexorderExecution event. here, only accounting is required
+        await accounting_transaction_gas(receipt, AccountingSubcategory.Execution)
 
     async def transaction_exception(self, job: TransactionJob, e: Exception) -> None:
         log.error('Could not build execution transaction due to exception', exc_info=e)
         # noinspection PyTypeChecker
         req: TrancheExecutionRequest = job.request
-        finish_execution_request(req.tranche_key, '')
+        await finish_execution_request(req.tranche_key, '')
 
 
 TrancheExecutionHandler() # map 'te' to a TrancheExecutionHandler
 
 
-def finish_execution_request(tk: TrancheKey, error: Optional[str]=None):
+async def finish_execution_request(tk: TrancheKey, error: Optional[str]=None):
     order_key = OrderKey(tk.vault, tk.order_index)
     try:
         order: Order = Order.of(order_key)
@@ -62,11 +105,6 @@ def finish_execution_request(tk: TrancheKey, error: Optional[str]=None):
         log.error(f'Could not get order {order_key}')
         return
 
-    try:
-        inflight_execution_requests.remove(tk)
-    except KeyError:
-        pass
-
     def get_trigger():
         try:
             return OrderTriggers.instances[order_key].triggers[tk.tranche_index]
@@ -83,6 +121,16 @@ def finish_execution_request(tk: TrancheKey, error: Optional[str]=None):
         if trig is not None:
             trig.touch()
 
+    def delay(secs=None):
+        trig = get_trigger()
+        if trig is not None:
+            trig.deactivate(secs if secs is not None else config.slippage_control_delay)
+
+    if error is None:
+        metric.executions.inc()
+    else:
+        metric.executions_failed.inc()
+
     #
     # execute() error handling
     #
@@ -92,7 +140,9 @@ def finish_execution_request(tk: TrancheKey, error: Optional[str]=None):
         # Insufficient Input Amount
         token = order.order.tokenIn
         log.debug(f'insufficient funds {tk.vault} {token} ')
+        slash()
         retry()
+        await refresh_vault_balances(tk.vault, order.order.tokenIn, order.order.tokenOut)
     elif error == 'SPL':
         # todo tight slippage can cause excessive executions as the backend repeatedly retries the remainder. The symptom is error 'SPL'.
         # Square-root price limit from Uniswap means we asked for a limit price that isn't met. This is a fault of
@@ -105,7 +155,7 @@ def finish_execution_request(tk: TrancheKey, error: Optional[str]=None):
         order_error(order, error)  # We do not know if it was filled or not so only Error status can be given
     elif error == 'TF':
         # Tranche Filled
-        log.warning(f'tranche already filled {tk}')
+        log.debug(f'tranche already filled {tk}')
         tranche_trigger = get_trigger()
         if tranche_trigger is not None:
             tranche_trigger.status = TrancheState.Filled
@@ -117,6 +167,7 @@ def finish_execution_request(tk: TrancheKey, error: Optional[str]=None):
         retry()
     elif error == 'RL':
         log.debug(f'tranche {tk} execution failed due to "RL" rate limit')
+        delay()
         retry()
     elif error == 'TE':
         log.debug(f'tranche {tk} execution failed due to "TE" too early')
@@ -152,26 +203,27 @@ def finish_execution_request(tk: TrancheKey, error: Optional[str]=None):
 def execute_tranches():
     new_execution_requests = []
     for tk, proof in active_tranches.items():
-        if tk not in inflight_execution_requests:
-            new_execution_requests.append((tk, proof))
-        else:
-            log.debug(f'execute {tk} already in flight')
+        new_execution_requests.append((tk, proof))
     # todo order requests and batch
     for tk, proof in new_execution_requests:
         create_execution_request(tk, proof)
 
 
 def create_execution_request(tk: TrancheKey, proof: PriceProof):
-    inflight_execution_requests.add(tk)
     job = submit_transaction_request(new_tranche_execution_request(tk, proof))
-    log.debug(f'Executing {tk} as job {job.id}')
+    if job is not None:
+        log.debug(f'Executing {tk} as job {job.id}')
     return job
 
 
-def handle_dexorderexecutions(event: EventData):
+async def handle_dexorderexecutions(event: EventData):
     log.debug(f'executions {event}')
     exe_id = UUID(bytes=event['args']['id'])
-    errors = event['args']['errors']
+    try:
+        errors = event['args']['errors']
+    except KeyError:
+        log.warning(f'Rogue DexorderExecutions event {event}')
+        return
     if len(errors) == 0:
         log.warning(f'No errors found in DexorderExecutions event: {event}')
         return
@@ -184,4 +236,4 @@ def handle_dexorderexecutions(event: EventData):
     # noinspection PyTypeChecker
     req: TrancheExecutionRequest = job.request
     tk = TrancheKey(req.vault, req.order_index, req.tranche_index)
-    finish_execution_request(tk, None if errors[0] == '' else errors[0])
+    await finish_execution_request(tk, None if errors[0] == '' else errors[0])

src/dexorder/order/orderstate.py

@@ -3,13 +3,14 @@ import logging
 from dataclasses import dataclass
 from typing import overload
 
-from dexorder import DELETE, db, order_log
+from dexorder import DELETE, db, order_log, from_timestamp
 from dexorder.base.chain import current_chain
 from dexorder.base.order import OrderKey, TrancheKey
 from dexorder.base.orderlib import SwapOrderState, ElaboratedSwapOrderStatus, Fill
 from dexorder.blockstate import BlockDict, BlockSet
 from dexorder.database.model.orderindex import OrderIndex
 from dexorder.routing import pool_address
+from dexorder.tokens import adjust_decimals
 from dexorder.util import json
 from dexorder.vault_blockdata import vault_owners
 
@@ -127,7 +128,7 @@ class Order:
         key = a if b is None else OrderKey(a, b)
         assert key not in Order.instances
         self.key = key
-        self.status: ElaboratedSwapOrderStatus = Order.order_statuses[key].copy()
+        self._status: ElaboratedSwapOrderStatus = Order.order_statuses[key].copy()
         self.pool_address: str = pool_address(self.status.order)
         self.tranche_keys = [TrancheKey(key.vault, key.order_index, i) for i in range(len(self.status.trancheStatus))]
         # flattenings of various static data
@@ -138,6 +139,14 @@ class Order:
         self.tranche_amounts = [t.fraction_of(self.amount) for t in self.order.tranches]
         Order.instances[self.key] = self
 
+    @property
+    def status(self):
+        return self._status
+
+    @status.setter
+    def status(self, v):
+        self._status = Order.order_statuses[self.key] = v
+
     @property
     def state(self):
         return self.status.state
@@ -279,6 +288,33 @@ class Order:
             Order.vault_recently_closed_orders.listremove(key.vault, key.order_index)
 
 
+    def __str__(self):
+        return str(self.key)
+
+
+    async def pprint(self):
+        amount_token = self.order.tokenIn if self.order.amountIsInput else self.order.tokenOut
+        msg = f'''
+SwapOrder {self.key}
+    status: {self.state.name}
+    placed: {from_timestamp(self.status.startTime)}
+    in: {self.order.tokenIn}
+    out: {self.order.tokenOut}
+    exchange: {self.order.route.exchange.name, self.order.route.fee}
+    amount: {"input" if self.order.amountIsInput else "output"} {await adjust_decimals(amount_token, self.filled):f}/{await adjust_decimals(amount_token, self.amount):f}{" to owner" if self.order.outputDirectlyToOwner else ""}
+    minFill: {await adjust_decimals(amount_token, self.min_fill_amount):f}
+    inverted: {self.order.inverted}
+    tranches:
+'''
+        for i in range(len(self.order.tranches)):
+            tranche = self.order.tranches[i]
+            msg += f'        {tranche}'
+            filled_amount = self.tranche_filled(i)
+            if filled_amount:
+                msg += f' filled {await adjust_decimals(amount_token, filled_amount)}'
+            msg += '\n'
+        return msg
+
     # ORDER STATE
     # various blockstate fields hold different aspects of an order's state.
 
@@ -310,8 +346,6 @@ class Order:
         'of', db=True, redis=True, pub=pub_order_fills,
         str2key=OrderKey.str2key, value2str=lambda v: json.dumps(v.dump()), str2value=lambda s:OrderFilled.load(json.loads(s)))
 
-    def __str__(self):
-        return str(self.order)
 
 # "active" means the order wants to be executed now.  this is not BlockData because it's cleared every block
 active_orders: dict[OrderKey,Order] = {}

src/dexorder/order/triggers.py

@@ -2,13 +2,15 @@ import asyncio
 import logging
 from abc import abstractmethod
 from collections import defaultdict
+from datetime import timedelta
 from enum import Enum, auto
-from typing import Optional, Sequence
+from typing import Optional, Sequence, Union
 
 import numpy as np
 from sortedcontainers import SortedList
 
-from dexorder.base.orderlib import SwapOrderState, PriceProof, DISTANT_FUTURE, DISTANT_PAST, Line
+from dexorder.base.orderlib import SwapOrderState, PriceProof, DISTANT_FUTURE, DISTANT_PAST, Line, MIN_SLIPPAGE, \
+    MIN_SLIPPAGE_EPSILON
 from dexorder.blockstate import BlockDict
 from .orderstate import Order
 from .. import dec, order_log, timestamp, from_timestamp, config
@@ -39,9 +41,6 @@ execution should be attempted on the tranche.
 # tranches which have passed all constraints and should be executed
 active_tranches: BlockDict[TrancheKey, Optional[PriceProof]] = BlockDict('at')
 
-# tranches which have an execute() transaction sent but not completed
-inflight_execution_requests: set[TrancheKey] = set()
-
 
 class OrderTriggers:
     instances: dict[OrderKey, 'OrderTriggers'] = {}
@@ -58,13 +57,13 @@ class OrderTriggers:
         self.order = order
         self.triggers = triggers
         OrderTriggers.instances[order.key] = self
-        log.debug(f'created OrderTriggers for {order.key}')
+        # log.debug(f'created OrderTriggers for {order.key}')
 
     def disable(self):
         for t in self.triggers:
             t.disable()
         del OrderTriggers.instances[self.order.key]
-        log.debug(f'disabled OrderTriggers for {self.order.key}')
+        # log.debug(f'disabled OrderTriggers for {self.order.key}')
 
     @property
     def closed(self):
@@ -74,6 +73,10 @@ class OrderTriggers:
     def open(self):
         return not self.closed
 
+    @property
+    def error(self):
+        return any(t.error for t in self.triggers)
+
     def check_complete(self):
         if self.closed:
             final_state = SwapOrderState.Filled if self.order.remaining == 0 or self.order.remaining < self.order.min_fill_amount else SwapOrderState.Expired
@@ -102,7 +105,8 @@ def start_trigger_updates():
     PriceLineTrigger.clear_data()
 
 
-async def update_balance_triggers(vault: str, token: str, balance: int):
+async def update_balance_triggers(vault: str, token: str):
+    balance = vault_balances.get(vault, {}).get(token)
     updates = [bt.update(balance) for bt in BalanceTrigger.by_vault_token.get((vault, token), [])]
     await asyncio.gather(*updates)
 
@@ -121,15 +125,15 @@ async def end_trigger_updates():
     PriceLineTrigger.end_updates(current_clock.get().timestamp)
     while _dirty:
         tk = _dirty.pop()
-        log.debug(f'check dirty tranche {tk}')
+        # log.debug(f'check dirty tranche {tk}')
         if _trigger_state.get(tk,0) == 0:
             # all clear for execution. add to active list with any necessary proofs
             active_tranches[tk] = PriceProof(0)
-            log.debug(f'active tranche {tk}')
+            # log.debug(f'active tranche {tk}')
         else:
             # blocked by one or more triggers being False (nonzero mask)
             reason = ', '.join(t.name for t in TrancheTrigger.all[tk].blocking_triggers)
-            log.debug(f'tranche {tk} blocked by {reason}')
+            # log.debug(f'tranche {tk} blocked by {reason}')
             # check expiry constraint
             try:
                 TrancheTrigger.all[tk].check_expire()
@@ -213,13 +217,13 @@ class Trigger:
 
 
 async def has_funds(tk: TrancheKey):
-    log.debug(f'has funds? {tk.vault}')
+    # log.debug(f'has funds? {tk.vault}')
     order = Order.of(tk)
     balances = vault_balances.get(tk.vault, {})
-    log.debug(f'balances {balances}')
+    # log.debug(f'balances {balances}')
     token_addr = order.status.order.tokenIn
     token_balance = balances.get(token_addr)
-    log.debug(f'amount of {token_addr} = {token_balance}')
+    # log.debug(f'amount of {token_addr} = {token_balance}')
     if token_balance is None:
         # unknown balance
         token_balance = balances[token_addr] = await ERC20(token_addr).balanceOf(tk.vault)
@@ -259,11 +263,12 @@ class BalanceTrigger (Trigger):
         self.order = Order.of(self.tk)
         self.vault_token = self.tk.vault, self.order.status.order.tokenIn
         BalanceTrigger.by_vault_token[self.vault_token].add(self)
+        self._value_changed()
         # log.debug(f'initializing Balance Trigger {id(self)} {tk} {value} {self.value}')
 
     async def update(self, balance):
         self.value = await input_amount_is_sufficient(self.order, balance)
-        # log.debug(f'update balance {balance} was sufficient? {self.value}')
+        # log.debug(f'update balance {balance} was sufficient? {self.value} {self.order.key}')
 
     def remove(self):
         try:
@@ -271,6 +276,17 @@ class BalanceTrigger (Trigger):
         except (KeyError, ValueError):
             pass
 
+    def _value_changed(self):
+        ok = self.value
+        order = Order.of(self.tk)
+        old_state = order.status.state
+        if not ok and old_state == SwapOrderState.Open:
+            order.status = order.status.copy()
+            order.status.state = SwapOrderState.Underfunded
+        elif ok and old_state == SwapOrderState.Underfunded:
+            order.status = order.status.copy()
+            order.status.state = SwapOrderState.Open
+
 
 class TimeTrigger (Trigger):
 
@@ -307,11 +323,8 @@ class TimeTrigger (Trigger):
         if time == self._time:
             return
         self._time = time
-        if self.active:
-            # remove old trigger
-            TimeTrigger.all.remove(self)
-            self.active = False
-        self.update_active(time_now)
+        in_future = time_now >= time
+        self.value = in_future is self.is_start
 
     def update_active(self, time_now: int = None, time: int = None):
         if time_now is None:
@@ -380,7 +393,7 @@ class PriceLineTrigger (Trigger):
         if inverted:
             price_now = 1/price_now
         activated = value_now < price_now if is_min else value_now > price_now
-        log.debug(f'initial price line {value_now} {"<" if is_min else ">"} {price_now} {activated}')
+        # log.debug(f'initial price line {value_now} {"<" if is_min else ">"} {price_now} {activated}')
         trigger_type = Trigger.TriggerType.MinLine if is_min else Trigger.TriggerType.MaxLine
         super().__init__(trigger_type, tk, activated)
         self.inverted = inverted
@@ -418,7 +431,7 @@ class PriceLineTrigger (Trigger):
         if self.inverted:
             price = 1/price
         self.last_price = price
-        log.debug(f'price trigger {price}')
+        # log.debug(f'price trigger {price}')
         if self not in PriceLineTrigger.triggers_set:
             self.add_computation(price)
         else:
@@ -449,8 +462,8 @@ class PriceLineTrigger (Trigger):
         line_value = m * time + b
         price_diff = sign * (y - line_value)
         activated = price_diff > 0
-        for price, line, s, a, diff in zip(y, line_value, sign, activated, price_diff):
-            log.debug(f'price: {line} {"<" if s == 1 else ">"} {price} {a} ({diff:+})')
+        # for price, line, s, a, diff in zip(y, line_value, sign, activated, price_diff):
+        #     log.debug(f'price: {line} {"<" if s == 1 else ">"} {price} {a} ({diff:+})')
         for t, activated in zip(PriceLineTrigger.triggers, activated):
             t.handle_result(activated)
         PriceLineTrigger.clear_data()
@@ -495,7 +508,8 @@ async def activate_order(order: Order):
     triggers = await OrderTriggers.create(order)
     if triggers.closed:
         log.debug(f'order {order.key} was immediately closed')
-        final_state = SwapOrderState.Filled if order.remaining == 0 or order.remaining < order.min_fill_amount \
+        final_state = SwapOrderState.Error if triggers.error \
+            else SwapOrderState.Filled if order.remaining == 0 or order.remaining < order.min_fill_amount \
             else SwapOrderState.Expired
         order.complete(final_state)
 
@@ -556,13 +570,14 @@ class TrancheTrigger:
 
         tranche_remaining = tranche.fraction_of(order.amount) - order.tranche_filled(self.tk.tranche_index)
         self.status = \
+            TrancheState.Error if self.market_order and self.slippage < MIN_SLIPPAGE - MIN_SLIPPAGE_EPSILON else \
             TrancheState.Filled if tranche_remaining == 0 or tranche_remaining < self.order.min_fill_amount else \
             TrancheState.Expired if self.expiration_trigger is not None and not self.expiration_trigger else \
-            TrancheState.Early if self.activation_trigger is None and not self.activation_trigger else \
+            TrancheState.Early if self.activation_trigger is not None and not self.activation_trigger else \
             TrancheState.Active
         _dirty.add(tk)
         TrancheTrigger.all[tk] = self
-        log.debug(f'Tranche {tk} initial status {self.status} {self}')
+        # log.debug(f'Tranche {tk} initial status {self.status} {self}')
 
 
     @property
@@ -593,7 +608,8 @@ class TrancheTrigger:
         else:
             order_log.debug(f'tranche part-filled {self.tk} in:{_amount_in} out:{_amount_out} remaining:{remaining}')
             if self.market_order:
-                self.expire()
+                order_log.debug(f'tranche {self.tk} delayed {config.slippage_control_delay} seconds due to slippage control')
+                self.deactivate(config.slippage_control_delay)
         self.slash_count = 0  # reset slash count
 
     def touch(self):
@@ -605,11 +621,11 @@ class TrancheTrigger:
             self.order_trigger.expire_tranche(self.tk.tranche_index)
 
     def expire(self):
+        self.disable()
         if self.closed:
             return
         order_log.debug(f'tranche expired {self.tk}')
         self.status = TrancheState.Expired
-        self.disable()
 
     def kill(self):
         order_log.warning(f'tranche KILLED {self.tk}')
@@ -625,15 +641,26 @@ class TrancheTrigger:
             self.kill()
         else:
             delay = round(config.slash_delay_base * config.slash_delay_mul ** (self.slash_count-1))
-            self.deactivate(timestamp()+delay)
+            self.deactivate(delay)
 
-    def deactivate(self, until):
+    def deactivate(self, interval: Union[timedelta, int, float]):
+        # todo this timestamp should be consistent with the trigger time which is blockchain
+        now = current_clock.get().timestamp
+        self.deactivate_until(now + (interval.total_seconds() if isinstance(interval, timedelta) else interval))
+
+    def deactivate_until(self, until):
         # Temporarily deactivate the tranche due to a rate limit.  Use disable() to permanently halt the trigger.
-        log.debug(f'deactivating tranche {self.tk} until {from_timestamp(until)}')
+        now = current_clock.get().timestamp
+        if until < now:
+            return
         if self.activation_trigger is None:
             self.activation_trigger = TimeTrigger.create(True, self.tk, until)
         else:
-            self.activation_trigger.time = until
+            self.activation_trigger.time = max(until, self.activation_trigger.time)
+        try:
+            del active_tranches[self.tk]
+        except KeyError:
+            pass
 
     def disable(self):
         # permanently stop this trigger and deconstruct
@@ -671,6 +698,10 @@ class TrancheTrigger:
     def open(self):
         return not self.closed
 
+    @property
+    def error(self):
+        return self.status == TrancheState.Error
+
     def __str__(self):
         trigs = []
         if self.balance_trigger is not None:

src/dexorder/pools.py

@@ -1,12 +1,13 @@
 import asyncio
 import logging
+from dataclasses import dataclass
 from datetime import datetime
 from typing import Optional
 
 from web3.exceptions import ContractLogicError
 from web3.types import EventData
 
-from dexorder import dec, ADDRESS_0, from_timestamp, db
+from dexorder import dec, ADDRESS_0, from_timestamp, db, config, NATIVE_TOKEN
 from dexorder.addrmeta import address_metadata
 from dexorder.base.chain import current_chain
 from dexorder.base.orderlib import Exchange
@@ -15,7 +16,7 @@ from dexorder.blockstate import BlockDict
 from dexorder.blockstate.blockdata import K, V
 from dexorder.database.model import Pool
 from dexorder.database.model.pool import OldPoolDict
-from dexorder.tokens import get_token
+from dexorder.tokens import get_token, adjust_decimals as adj_dec
 from dexorder.uniswap import UniswapV3Pool, uniswapV3_pool_address
 
 log = logging.getLogger(__name__)
@@ -23,6 +24,7 @@ log = logging.getLogger(__name__)
 
 async def get_pool(address: str) -> OldPoolDict:
     try:
+        # noinspection PyTypeChecker
         result: OldPoolDict = address_metadata[address]
     except KeyError:
         result = address_metadata[address] = await load_pool(address)
@@ -61,6 +63,7 @@ async def load_pool(address: str, *, use_db=True) -> OldPoolDict:
                                     base=t0, quote=t1, fee=fee, decimals=decimals)
                 log.debug(f'new UniswapV3 pool {token0["symbol"]}/{token1["symbol"]} {fee/1_000_000:.2%} '
                           f'{("."+str(decimals)) if decimals >= 0 else (str(-decimals)+".")} {address}')
+                add_mark_pool(address, t0, t1, fee)
     except ContractLogicError:
         pass
     except ValueError as v:
@@ -129,3 +132,86 @@ async def get_uniswap_data(swap: EventData) -> Optional[tuple[OldPoolDict, datet
     timestamp = await get_block_timestamp(swap['blockHash'])
     dt = from_timestamp(timestamp)
     return pool, dt, price
+
+
+#
+# Mark-to-Market
+#
+
+@dataclass
+class MarkPool:
+    addr: str
+    base: str
+    quote: str
+    fee: int
+    inverted: bool
+
+mark_pools: dict[str, MarkPool] = {}
+
+quotes = []  # ordered list of preferred quote token addresses
+
+
+def add_mark_pool(addr: str, base: str, quote: str, fee: int):
+    """
+    Called for every discovered pool, this function registers the pool if it connects to a stablecoin or quotecoin and
+    has a better fee than other pools for that pair.
+    """
+    # determine inversion
+    try:
+        base_index = quotes.index(base)
+    except ValueError:
+        base_index = None
+    try:
+        quote_index = quotes.index(quote)
+    except ValueError:
+        quote_index = None
+    if base_index is None and quote_index is None:
+        return
+    inverted = base_index is not None and (quote_index is None or base_index < quote_index)
+    if inverted:
+        base, quote = quote, base
+
+    # determine whether this pool is better than the already registered mark pool
+    add = False
+    if base not in mark_pools:
+        add = True
+    else:
+        mp = mark_pools[base]
+        mp_index = quotes.index(mp.quote)
+        try:
+            index = quotes.index(quote)
+            if index < mp_index or index == mp_index and fee < mp.fee:
+                add = True
+        except ValueError:
+            pass
+    if add:
+        pool = MarkPool(addr, base, quote, fee, inverted)
+        mark_pools[base] = pool
+        if base == config.nativecoin:
+            mark_pools[NATIVE_TOKEN] = pool
+
+
+async def mark_to_market_adj_dec(token: str, amount: dec, adjust_decimals=True) -> Optional[dec]:
+    """
+    Returns the current USD value for the amount of token.
+    """
+    if adjust_decimals:
+        amount = await adj_dec(token, amount)
+    return mark_to_market(token, amount)
+
+
+def mark_to_market(token: str, amount: dec = dec(1)) -> Optional[dec]:
+    """
+    amount must already be adjusted for decimals
+    """
+    if token in config.stablecoins:
+        return dec(1) * amount
+    try:
+        mp = mark_pools[token]
+    except KeyError:
+        log.info(f'no mark pool for token {token}')
+        return None
+    price = pool_prices[mp.addr]
+    value = amount / price if mp.inverted else amount * price
+    return mark_to_market(mp.quote, value)
+

src/dexorder/runner.py

@@ -5,14 +5,13 @@ from datetime import timedelta
 from typing import Any, Iterable, Callable, Optional
 
 from eth_bloom import BloomFilter
-# noinspection PyPackageRequirements
 from websockets.exceptions import ConnectionClosedError
 
-from dexorder import Blockchain, db, current_pub, async_yield, current_w3, config, now, timestamp
+from dexorder import Blockchain, db, current_pub, async_yield, current_w3, config, now, timestamp, metric
 from dexorder.base.block import Block, latest_block
 from dexorder.base.chain import current_chain, current_clock, BlockClock
 from dexorder.blockchain.connection import create_w3_ws, create_w3
-from dexorder.blocks import cache_block, get_block, promotion_height, current_block
+from dexorder.blocks import cache_block, get_block, promotion_height, current_block, fetch_latest_block
 from dexorder.blockstate import BlockState, current_blockstate
 from dexorder.blockstate.branch import Branch
 from dexorder.blockstate.diff import DiffEntryItem
@@ -81,8 +80,7 @@ class BlockStateRunner(BlockProgressor):
                 async with w3ws as w3ws:
                     log.debug('connecting to ws provider')
                     await w3ws.provider.connect()
-                    subscription = await w3ws.eth.subscribe('newHeads')  # the return value of this call is not consistent between anvil/hardhat/rpc.
-                    log.debug(f'subscribed to newHeads {subscription}')
+                    await w3ws.eth.subscribe('newHeads')  # the return value of this call is not consistent between anvil/hardhat/rpc.
                     while self.running:
                         async for message in w3ws.ws.process_subscriptions():
                             block = Block(chain_id, message['result'])
@@ -90,15 +88,19 @@ class BlockStateRunner(BlockProgressor):
                             self.new_head_event.set()
                             log.debug(f'new head {block}')
                             if abs(block.timestamp-timestamp()) > 3:
-                                log.warning(f'Blockchain {chain_id} time is off by {block.timestamp-timestamp():.1f}s')
+                                log.info(f'Blockchain {chain_id} time is off by {block.timestamp-timestamp():.1f}s')
                             if not self.running:
                                 break
                             await async_yield()
-            except (ConnectionClosedError, TimeoutError, asyncio.TimeoutError) as e:
+            except (TimeoutError, asyncio.TimeoutError) as e:
                 log.debug(f'runner timeout {e}')
+            except ConnectionClosedError as e:
+                log.info(f'websocket connection closed {e}')
             except ConnectionRefusedError:
                 log.warning(f'Could not connect to websocket {config.ws_url}')
                 await asyncio.sleep(1)
+            except StopAsyncIteration:
+                log.info(f'websocket stream ended')
             except Exception:
                 log.exception(f'Unhandled exception during run_ws()')
             finally:
@@ -157,8 +159,7 @@ class BlockStateRunner(BlockProgressor):
         # 'latest' polling for blocks, and we push the entire block to the queue since apparently this is the only
         # rpc call Hardhat seems to consistently support.  The worker must then detect the type of object pushed to the
         # work queue and either use the block directly or query for the block if the queue object is a hashcode.
-        blockdata = await w3.eth.get_block('latest')
-        block = Block(chain.id, blockdata)
+        block = await fetch_latest_block()
         if block.hash == prev_blockhash and (
                 self.state is None or self.state.root_branch is None or self.state.height == block.height):
             return prev_blockhash
@@ -273,6 +274,8 @@ class BlockStateRunner(BlockProgressor):
                 elif was_behind:
                     log.info('Runner has caught up')
                     was_behind = False
+                metric.runner_latency.observe(behind)
+                metric.runner_loops.inc()
         except Exception as e:
             fatal('Unhandled exception in runner worker', exception=e)
         finally:
@@ -284,6 +287,7 @@ class BlockStateRunner(BlockProgressor):
         w3 = current_w3.get()
         current_blockstate.set(self.state)
         current_fork.set(fork)
+        metric.block_current.set(fork.height)
         batches = []
         pubs = []
         session = db.make_session(autocommit=False)
@@ -395,21 +399,21 @@ class BlockStateRunner(BlockProgressor):
         # propragate to the DB or Redis.
         # TIME TICKS ARE DISABLED FOR THIS REASON
         return
-        current_fork.set(fork)
-        session = db.session
-        session.begin()
-        try:
-            for callback, on_timer in self.callbacks:
-                if on_timer:
-                    # noinspection PyCallingNonCallable
-                    await maywait(callback())
-        except BaseException:
-            session.rollback()
-            raise
-        else:
-            session.commit()
-        finally:
-            db.close_session()
+        # current_fork.set(fork)
+        # session = db.session
+        # session.begin()
+        # try:
+        #     for callback, on_timer in self.callbacks:
+        #         if on_timer:
+        #             # noinspection PyCallingNonCallable
+        #             await maywait(callback())
+        # except BaseException:
+        #     session.rollback()
+        #     raise
+        # else:
+        #     session.commit()
+        # finally:
+        #     db.close_session()
 
 
     async def do_state_init_cbs(self):
@@ -424,5 +428,6 @@ class BlockStateRunner(BlockProgressor):
     def set_latest_block(block):
         cache_block(block)
         latest_block[block.chain_id] = block
+        metric.block_latest.set(block.height)
         current_clock.get().update(block.timestamp)
 

src/dexorder/tokens.py

@@ -4,9 +4,10 @@ from typing import Optional
 from eth_abi.exceptions import InsufficientDataBytes
 from web3.exceptions import BadFunctionCallOutput
 
-from dexorder import ADDRESS_0, config, db
+from dexorder import ADDRESS_0, db, NATIVE_TOKEN, dec, current_w3
 from dexorder.addrmeta import address_metadata
 from dexorder.base.chain import current_chain
+from dexorder.blocks import current_block
 from dexorder.contract import ERC20, ContractProxy, CONTRACT_ERRORS
 from dexorder.database.model import Token
 from dexorder.database.model.token import OldTokenDict
@@ -15,11 +16,40 @@ from dexorder.metadata import get_metadata
 log = logging.getLogger(__name__)
 
 
-# todo needs chain_id
+# noinspection PyShadowingNames
+async def get_balance(addr, token_addr, *, adjust_decimals=True) -> dec:
+    if token_addr == NATIVE_TOKEN:
+        return await get_native_balance(addr, adjust_decimals=adjust_decimals)
+    else:
+        return await get_erc20_balance(addr, token_addr, adjust_decimals=adjust_decimals)
+
+
+# noinspection PyShadowingNames
+async def get_erc20_balance(addr, token_addr, *, adjust_decimals=True):
+    value = dec(await ERC20(token_addr).balanceOf(addr))
+    if adjust_decimals:
+        token = await get_token(token_addr)
+        value *= dec(10) ** dec(-token['decimals'])
+    return value
+
+
+# noinspection PyShadowingNames
+async def get_native_balance(addr, *, adjust_decimals=True) -> dec:
+    try:
+        block_id = current_block.get().height
+    except LookupError:
+        block_id = 'latest'
+    value = dec(await current_w3.get().eth.get_balance(addr, block_identifier=block_id))
+    if adjust_decimals:
+        value /= 10 ** 18
+    return value
+
+
 async def get_token(address) -> Optional[OldTokenDict]:
     if address == ADDRESS_0:
         raise ValueError('No token at address 0')
     try:
+        # noinspection PyTypeChecker
         return address_metadata[address]
     except KeyError:
         result = address_metadata[address] = await load_token(address)
@@ -61,8 +91,9 @@ async def load_token(address: str) -> Optional[OldTokenDict]:
     try:
         decimals = await dec_prom
     except CONTRACT_ERRORS:
-        log.warning(f'token {address} has no decimals()')
+        log.info(f'token {address} has no decimals()')
         decimals = 0
+        return None  # we do not support coins that don't specify decimals.
     approved = False  # never approve new coins
     chain_id = current_chain.get().id
     symbol = await symbol_prom
@@ -80,3 +111,13 @@ async def load_token(address: str) -> Optional[OldTokenDict]:
             td['decimals'] = md['d']
     log.debug(f'new token {name} {symbol} {address}')
     return td
+
+
+async def adjust_decimals(token, value):
+    if token == NATIVE_TOKEN:
+        decimals = 18
+    else:
+        token = await get_token(token)
+        decimals = token['decimals']
+    value *= dec(10) ** dec(-decimals)
+    return value

src/dexorder/transactions.py

@@ -1,21 +1,19 @@
+import asyncio
 import logging
 from abc import abstractmethod
-from dataclasses import dataclass
-from typing import Union, Optional
+from typing import Optional
 from uuid import uuid4
 
-from sqlalchemy import select
 from web3.exceptions import TransactionNotFound, ContractPanicError, ContractLogicError
 
 from dexorder import db, current_w3, Account
-from dexorder.base import TransactionReceiptDict, TransactionRequest, transaction_request_registry
+from dexorder.alert import warningAlert
+from dexorder.base import TransactionReceiptDict, TransactionRequest
 from dexorder.base.chain import current_chain
-from dexorder.base.order import TrancheKey, OrderKey
-from dexorder.base.orderlib import PriceProof
-from dexorder.blockstate.diff import DiffEntryItem
-from dexorder.blockstate.fork import current_fork, Fork
+from dexorder.blockstate.fork import current_fork
 from dexorder.contract.contract_proxy import ContractTransaction
 from dexorder.database.model.transaction import TransactionJob, TransactionJobState
+from dexorder.util import hexstr
 
 log = logging.getLogger(__name__)
 
@@ -32,7 +30,7 @@ class TransactionHandler:
         TransactionHandler.instances[tag] = self
 
     @abstractmethod
-    async def build_transaction(self, job_id: int, tr: TransactionRequest) -> ContractTransaction: ...
+    async def build_transaction(self, job_id: int, tr: TransactionRequest) -> Optional[ContractTransaction]: ...
 
     @abstractmethod
     async def complete_transaction(self, job: TransactionJob, receipt: TransactionReceiptDict) -> None: ...
@@ -40,50 +38,37 @@ class TransactionHandler:
     @abstractmethod
     async def transaction_exception(self, job: TransactionJob, e: Exception) -> None: ...
 
-@dataclass
-class TrancheExecutionRequest (TransactionRequest):
-    TYPE = 'te'
+    # noinspection PyMethodMayBeStatic
+    async def acquire_account(self) -> Optional[Account]:
+        try:
+            async with asyncio.timeout(1):
+                return await Account.acquire()
+        except asyncio.TimeoutError:
+            return None
 
-    # type='te' for tranche execution
-    vault: str
-    order_index: int
-    tranche_index: int
-    price_proof: Union[None,dict,tuple[int]]
-
-    def __init__(self, vault: str, order_index: int, tranche_index: int, price_proof: Union[None,dict,tuple[int]], **_):
-        super().__init__(TrancheExecutionRequest.TYPE)
-        self.vault = vault
-        self.order_index = order_index
-        self.tranche_index = tranche_index
-        self.price_proof = price_proof
-
-    @property
-    def order_key(self):
-        return OrderKey(self.vault, self.order_index)
-
-    @property
-    def tranche_key(self):
-        return TrancheKey(self.vault, self.order_index, self.tranche_index)
-
-# Must register the class for deserialization
-transaction_request_registry[TrancheExecutionRequest.TYPE] = TrancheExecutionRequest
+    # noinspection PyMethodMayBeStatic
+    async def release_account(self, account: Account):
+        account.release()
 
 
-def new_tranche_execution_request(tk: TrancheKey, proof: Optional[PriceProof]=None) -> TrancheExecutionRequest:
-    if proof is None:
-        proof = PriceProof(0)
-    return TrancheExecutionRequest(tk.vault, tk.order_index, tk.tranche_index, proof.dump())
+in_flight = set()
+accounts_in_flight: dict[bytes, Account] = {} # tx_id_bytes: account
 
 
-def submit_transaction_request(tr: TransactionRequest):
+def submit_transaction_request(tr: TransactionRequest) -> Optional[TransactionJob]:
     """
     Once a transaction request has been submitted, it is this module's responsibility to see that it gets mined, at
-    which point `tr.complete_transaction()` is called with the transaction receipt.
-    The building of a transaction can also fail,
+    which point `tr.complete_transaction()` is called with the transaction receipt.  If the same-keyed request is
+    already in-flight, None is returned.
     """
+    key = tr.type, tr.key
+    if key in in_flight:
+        log.debug(f'transaction request {tr.key} already in flight')
+        return None
     job = TransactionJob(id=uuid4(), chain=current_chain.get(), height=current_fork.get().height,
                          state=TransactionJobState.Requested, request=tr)
     db.session.add(job)
+    in_flight.add(key)
     return job
 
 
@@ -107,36 +92,60 @@ async def create_and_send_transactions():
             # these errors can be thrown immediately when the tx is tested for gas
             log.warning(f'failed to build transaction request for {job.request.__class__.__name__} {job.id}')
             job.state = TransactionJobState.Error
-            db.session.add(job)
             await handler.transaction_exception(job, x)
+            end_job(job)
             return
         except Exception as x:
             log.warning(f'unable to send transaction for job {job.id}', exc_info=x)
             return
+        if ctx is None:
+            log.info(f'Transaction request {job.request.__class__.__name__} {job.id} declined to build a tx.')
+            job.state = TransactionJobState.Declined
+            end_job(job)
+            return
         w3 = current_w3.get()
-        account = Account.get_named(handler.tag)
+        account = await handler.acquire_account()
         if account is None:
-            account = Account.get()
-        if account is None:
-            log.error(f'No account available for transaction request type "{handler.tag}"')
+            warningAlert(f'No account available for job {job.id} type "{handler.tag}"', 'no account available')
             continue
-        await ctx.sign(account)
-        job.state = TransactionJobState.Signed
-        job.tx_id = ctx.id_bytes
-        job.tx_data = ctx.data
-        db.session.add(job)
-        log.info(f'servicing job {job.request.__class__.__name__} {job.id} with tx {ctx.id}')
         try:
-            sent = await w3.eth.send_raw_transaction(job.tx_data)
+            await ctx.sign(account)
+        except Exception:
+            await handler.release_account(account)
+            raise
+        log.info(f'servicing job {job.request.__class__.__name__} {job.id} with account {account.address} nonce {ctx.tx["nonce"]} tx {ctx.id}')
+        # noinspection PyBroadException
+        try:
+            sent = await w3.eth.send_raw_transaction(ctx.data)
+        except ValueError as e:
+            try:
+                msg = e.args[0].get('message','')
+            except IndexError:
+                msg = ''
+            if msg.startswith('nonce too low'):
+                # Nonce too low
+                log.warning(f'Account {account.address} nonce too low')
+                log.info(f'Account nonce is {account._nonce} ({ctx.tx["nonce"]}) but should be {await current_w3.get().eth.get_transaction_count(account.address, 'pending')}')
+                account.reset_nonce()
+            elif msg.startswith('insufficient funds'):
+                warningAlert('Account Empty', f'Account {account.address} is out of funds!')
+            else:
+                log.exception(f'Failure sending transaction for job {job.id}')
+            await handler.release_account(account)
         except:
             log.exception(f'Failure sending transaction for job {job.id}')
             # todo pager
             # todo send state unknown!
+            await handler.release_account(account)
         else:
-            assert sent == job.tx_id
+            account.tx_id = hexstr(ctx.id_bytes)
+            accounts_in_flight[ctx.id_bytes] = account
             job.state = TransactionJobState.Sent
-            db.session.add(job)
+            job.tx_id = ctx.id_bytes
+            job.tx_data = ctx.data
+            assert sent == job.tx_id
 
+ended_jobs = []
 
 async def handle_transaction_receipts():
     # log.debug('handle_transaction_receipts')
@@ -149,32 +158,40 @@ async def handle_transaction_receipts():
         try:
             receipt: TransactionReceiptDict = await w3.eth.get_transaction_receipt(job.tx_id)
         except TransactionNotFound:
-            pass
-        else:
-            fork = current_fork.get()
-            assert fork is not None
-            if fork.branch.contiguous and receipt['blockHash'] in fork.branch.path or \
-                    fork.branch.disjoint and receipt['blockNumber'] <= fork.height:
-                try:
-                    handler = TransactionHandler.of(job.request.type)
-                except KeyError:
-                    # todo remove bad request?
-                    log.warning(f'ignoring transaction request with bad type "{job.request.type}"')
-                else:
-                    await handler.complete_transaction(job, receipt)
-
-
-def finalize_transactions(_fork: Fork, diffs: list[DiffEntryItem]):
-    # noinspection PyTypeChecker
-    open_jobs = db.session.scalars(select(TransactionJob).where(
-           TransactionJob.chain == current_chain.get(),
-           TransactionJob.state == TransactionJobState.Sent
-        )).all()
-    open_txs = {job.tx_id:job for job in open_jobs}
-    for diff in diffs:
-        if diff.series == 'mined_txs' and diff.key in open_txs:
-            job = open_txs[diff.key]
+            return
+        fork = current_fork.get()
+        assert fork is not None
+        if fork.branch.contiguous and receipt['blockHash'] in fork.branch.path or \
+                fork.branch.disjoint and receipt['blockNumber'] <= fork.height:
             job.state = TransactionJobState.Mined
-            job.receipt = diff.value
-            db.session.add(job)
+            job.receipt = receipt
+            try:
+                handler = TransactionHandler.of(job.request.type)
+            except KeyError:
+                # todo remove bad request?
+                log.warning(f'ignoring transaction request with bad type "{job.request.type}"')
+            else:
+                await handler.complete_transaction(job, receipt)
+                end_job(job)
+                try:
+                    await handler.release_account(accounts_in_flight.pop(job.tx_id))
+                except KeyError:
+                    pass
 
+
+def end_job(job):
+    ended_jobs.append(job)
+
+
+async def cleanup_jobs():
+    for job in ended_jobs:
+        log.debug(f'ending job {job.id}')
+        if job.tx_id in accounts_in_flight:
+            try:
+                handler = TransactionHandler.of(job.request.type)
+                await handler.release_account(accounts_in_flight.pop(job.tx_id))
+            except KeyError:
+                log.warning(f'ignoring transaction request with bad type "{job.request.type}"')
+        in_flight.discard((job.request.type, job.request.key))
+        db.session.delete(job)
+    ended_jobs.clear()

src/dexorder/util/__init__.py

@@ -16,7 +16,7 @@ def align_decimal(value, left_columns) -> str:
     return ' ' * pad + s
 
 
-def hexstr(value: Union[HexBytes, bytes, str]):
+def hexstr(value: Union[HexBytes, bytes, str]) -> str:
     """ returns an 0x-prefixed hex string """
     if type(value) is HexBytes:
         return value.hex()

src/dexorder/util/async_util.py

@@ -4,8 +4,8 @@ from typing import Union, Awaitable, TypeVar
 
 
 async def async_yield():
-    # a value of exactly 0 doesn't seem to work as well, so we set 1 nanosecond
-    await asyncio.sleep(1e-9)
+    # a value of exactly 0 doesn't seem to work as well, so we use 1 microsecond
+    await asyncio.sleep(1e-6)
 
 
 Args = TypeVar('Args')

src/dexorder/util/convert.py

@@ -25,3 +25,22 @@ def encode_IEEE754(value: float) -> int:
 
 def decode_IEEE754(value: int) -> float:
     return struct.unpack('>f', struct.pack('>I', value))[0]
+
+
+def to_base_exp(value, precision=8, roundingFunc=round) -> tuple[int, int]:
+    """
+    Convert a value to base-2 exponent form.
+    Precision is the number of bits available to the base component
+    """
+    if value <= 0:
+        raise ValueError("Value must be greater than zero")
+    max_base = 2 ** precision
+    exp = int(math.log2(value)) - precision
+    base = roundingFunc(value / (2 ** exp))
+    if base >= max_base:
+        base //= 2
+        exp += 1
+    return base, exp
+
+def from_base_exp(base, exp):
+    return base << exp

src/dexorder/vault_blockdata.py

@@ -1,11 +1,13 @@
+import asyncio
 import functools
 import logging
 
+from dexorder import current_pub, dec
 from dexorder.base.chain import current_chain
 from dexorder.blockstate import BlockDict
 from dexorder.contract import ERC20, CONTRACT_ERRORS
 from dexorder.contract.dexorder import VaultContract, vault_address
-from dexorder.util import json
+from dexorder.util import json, align_decimal
 
 log = logging.getLogger(__name__)
 
@@ -77,3 +79,29 @@ def balance_adjuster(vault, token_address, amount):
         result[taddr] = new_amt
         return result
     return functools.partial(_adjust, vault, token_address, amount)
+
+
+def publish_vaults(chain_id, owner):
+    vaults = []
+    for num in range(MAX_VAULTS):
+        addr = vault_address(owner, num)
+        if addr in vault_owners:
+            vaults.append(addr)
+        else:
+            break
+    log.debug(f'publish_vaults {chain_id} {owner} {vaults}')
+    current_pub.get()(f'{chain_id}|{owner}', 'vaults', chain_id, owner, vaults)
+
+
+async def refresh_vault_balances(vault, *tokens):
+    amounts = await asyncio.gather(*(ERC20(token).balanceOf(vault) for token in tokens))
+
+    def _adjust(vaddr, toks, amts, old_balances):
+        result = dict(old_balances)  # copy
+        for t, a in zip(toks, amts):
+            result[t] = a
+        return result
+    vault_balances.modify(vault, functools.partial(_adjust, vault, tokens, amounts))
+
+def pretty_balances(b: dict[str,dec], padding=8) -> str:
+    return '\n'.join(f'{k:>} {align_decimal(v,padding)}' for k,v in b.items())

src/dexorder/vaultcreationhandler.py

@@ -0,0 +1,103 @@
+import logging
+from dataclasses import dataclass
+from typing import Optional, Any
+
+from eth_utils import to_checksum_address
+from web3.exceptions import ContractLogicError
+
+from dexorder import db
+from dexorder.accounting import accounting_transaction_gas
+from dexorder.base import TransactionReceiptDict, TransactionRequest, transaction_request_deserializers
+from dexorder.base.chain import current_chain
+from dexorder.contract import ContractProxy
+from dexorder.contract.contract_proxy import ContractTransaction
+from dexorder.contract.dexorder import get_factory_contract, vault_address
+from dexorder.database.model import TransactionJob
+from dexorder.database.model import VaultCreationRequest as DbVaultCreationRequest
+from dexorder.database.model.accounting import AccountingSubcategory
+from dexorder.transactions import TransactionHandler, submit_transaction_request
+from dexorder.vault_blockdata import publish_vaults, vault_owners
+
+log = logging.getLogger(__name__)
+
+
+@dataclass
+class VaultCreationRequest (TransactionRequest):
+    TYPE = 'vcr'
+
+    chain_id: int
+    owner: str
+    num: int
+
+    def __init__(self, chain_id: int, owner: str, num: int):
+        super().__init__(VaultCreationRequest.TYPE, (chain_id, owner, num))
+        self.chain_id = chain_id
+        self.owner = to_checksum_address(owner)
+        self.orig_owner = owner  # for the database key
+        self.num = num
+
+    def key(self) -> Any:
+        return self.chain_id, self.owner, self.num
+
+def deserialize_vault_creation_request(**data) -> VaultCreationRequest:
+    return VaultCreationRequest(data['chain_id'], data['owner'], data['num'])
+
+# Must register the class for deserialization
+transaction_request_deserializers[VaultCreationRequest.TYPE] = deserialize_vault_creation_request
+
+in_flight = set()  # (chain, owner, num)
+
+
+class VaultCreationHandler (TransactionHandler):
+
+    def __init__(self):
+        super().__init__(VaultCreationRequest.TYPE)
+
+    async def build_transaction(self, job_id: int, tr: VaultCreationRequest) -> Optional[ContractTransaction]:
+        owner_addr = to_checksum_address(tr.owner)
+        vault_addr = vault_address(owner_addr, tr.num)
+        if vault_owners.get(vault_addr):
+            # existing vault detected
+            publish_vaults(tr.chain_id, owner_addr)
+            return None
+        factory = get_factory_contract()
+        try:
+            return await factory.build.deployVault(owner_addr, tr.num)
+        except ContractLogicError:
+            in_flight.discard((tr.chain_id, tr.owner, tr.num))
+            # maybe the vault already exists?
+            owner = await ContractProxy(vault_addr, 'Vault').owner()
+            if owner == owner_addr:
+                log.debug(f'detected existing vault at {vault_addr}')
+                publish_vaults(tr.chain_id, owner)
+                return None
+            raise
+        except Exception:
+            in_flight.discard((tr.chain_id, tr.owner, tr.num))
+            raise
+
+
+    async def complete_transaction(self, job: TransactionJob, receipt: TransactionReceiptDict) -> None:
+        await accounting_transaction_gas(receipt, AccountingSubcategory.VaultCreation)  # vault creation gas
+        # noinspection PyTypeChecker
+        req: VaultCreationRequest = job.request
+        in_flight.discard((req.chain_id, req.owner, req.num))
+
+
+    async def transaction_exception(self, job: TransactionJob, e: Exception) -> None:
+        log.error(f'exception from createVault transaction: {job.tx_id}', exc_info=e)
+
+VaultCreationHandler()
+
+last_seen = None
+
+def handle_vault_creation_requests():
+    for req in db.session.query(DbVaultCreationRequest).where(
+            DbVaultCreationRequest.vault == None, DbVaultCreationRequest.chain==current_chain.get()):
+        req: DbVaultCreationRequest
+        owner = to_checksum_address(req.owner)
+        key = req.chain.id, owner, req.num
+        if key not in in_flight:
+            vcr = VaultCreationRequest(*key)
+            submit_transaction_request(vcr)
+            in_flight.add(key)

src/dexorder/walker.py

@@ -4,7 +4,7 @@ from asyncio import Queue
 from datetime import timedelta
 from typing import Union, Callable
 
-from dexorder import config, db, now, current_w3
+from dexorder import config, db, now, current_w3, metric
 from dexorder.base.block import Block, BlockInfo, latest_block
 from dexorder.base.chain import current_chain
 from dexorder.blocks import promotion_height
@@ -57,6 +57,7 @@ class BlockWalker (BlockProgressor):
                     processed_height = cur + config.backfill if config.backfill < 0 else cur
 
         log.info(f'walker starting at block {processed_height}')
+        metric.block_current.set(processed_height)
         last_flush = processed_height if self.flush_type == 'blocks' else now() if self.flush_type == 'time' else None
         prev_height = None
         session = db.session
@@ -67,6 +68,7 @@ class BlockWalker (BlockProgressor):
                 latest_blockdata: BlockInfo = await w3.eth.get_block('latest')
                 latest = Block(chain_id, latest_blockdata)
                 latest_block[chain_id] = latest
+                metric.block_latest.set(latest.height)
                 if prev_height is None or latest.height > prev_height:
                     prev_height = latest.height
                     log.debug(f'polled new block {latest.height}')
@@ -93,6 +95,7 @@ class BlockWalker (BlockProgressor):
                             db.session.commit()
                             db.session.begin()
                         processed_height = cur_height
+                        metric.block_current.set(cur_height)
                 if not self.running or config.walker_stop is not None and config.walker_stop <= processed_height:
                     break
                 await asyncio.sleep(config.polling or 1)