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TRANCHE EXECUTION WORKS

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This commit is contained in:
Tim Olson
2023-10-29 16:53:45 -04:00
parent 062085a79f
commit 1da4cf6a93
8 changed files with 47 additions and 24 deletions
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8
src/dexorder/base/account.py
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@@ -49,6 +49,14 @@ class Account (LocalAccount):
self.name = name
self.key_str = key_str
self.signing_middleware = construct_sign_and_send_raw_middleware(self)
self._nonce: Optional[int] = None
async def next_nonce(self):
if self._nonce is None:
self._nonce = await current_w3.get().eth.get_transaction_count(self.address, 'pending')
else:
self._nonce += 1
return self._nonce
def attach(self, w3):
w3.eth.default_account = self.address

13
src/dexorder/contract/contract_proxy.py
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@@ -1,6 +1,7 @@
import json
from typing import Optional
import eth_account
from eth_utils import keccak
from web3.types import TxReceipt
@@ -19,15 +20,15 @@ def call_wrapper(func):
def transact_wrapper(func):
async def f(*args, **kwargs):
w3 = current_w3.get()
try:
account = current_account.get()
except LookupError:
raise RuntimeError('Cannot invoke a transaction without setting an Account.')
tx = await func(*args, **kwargs).build_transaction()
tx['from'] = account.address
signed = w3.eth.account.sign_transaction(tx, private_key=account.key)
return ContractTransaction(signed)
tx['nonce'] = await account.next_nonce()
signed = eth_account.Account.sign_transaction(tx, private_key=account.key)
return ContractTransaction(signed['hash'], signed['rawTransaction'])
return f
@@ -88,10 +89,10 @@ class ContractProxy:
class ContractTransaction:
def __init__(self, rawtx: bytes):
self.data = rawtx
self.id_bytes = keccak(rawtx)
def __init__(self, id_bytes: bytes, rawtx: bytes):
self.id_bytes = id_bytes
self.id = hexstr(self.id_bytes)
self.data = rawtx
self.receipt: Optional[TxReceipt] = None
def __repr__(self):

7
src/dexorder/data/__init__.py
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@@ -7,6 +7,7 @@ from dexorder.util import defaultdictk, hexstr
# values of DELETE are serialized as nulls
vault_owners: BlockDict[str,str] = BlockDict('v', db=True, redis=True)
vault_tokens: dict[str, BlockSet[str]] = defaultdictk(lambda vault: BlockSet(f'vt|{vault}', db=True, redis=True, pub=lambda k,v: ('vt', vault_owners[vault], [k])))
pool_prices: BlockDict[str,dec] = BlockDict('p', db=True, redis=True, pub=True, value2str=lambda d:f'{d:f}', str2value=dec)
underfunded_vaults: BlockDict[str, list[str]] = BlockDict('uv', db=True, redis=True, value2str=lambda v:','.join(v), str2value=lambda s: s.split(','))
vault_balances: dict[str, BlockDict[str,int]] = defaultdictk(lambda vault: BlockDict(f'vb|{vault}', db=True, redis=True,
pub=lambda k,v: (vault_owners[vault], 'vb', (vault,k,v))))
pool_prices: BlockDict[str,dec] = BlockDict('p', db=True, redis=True, value2str=lambda d:f'{d:f}', str2value=dec,
pub=lambda k,v: (f'p|{k}', 'p', (k,str(v))))

25
src/dexorder/event_handler.py
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@@ -3,14 +3,14 @@ from uuid import UUID
from web3.types import EventData
from dexorder import current_pub, db
from dexorder import current_pub, db, dec
from dexorder.base.chain import current_chain
from dexorder.base.order import TrancheExecutionRequest, TrancheKey, ExecutionRequest, new_tranche_execution_request
from dexorder.transaction import handle_create_transactions, submit_transaction_request, handle_transaction_receipts
from dexorder.transaction import handle_create_transactions, submit_transaction_request, handle_transaction_receipts, handle_send_transactions
from dexorder.blockchain.uniswap import uniswap_price
from dexorder.contract.dexorder import get_factory_contract, vault_address, VaultContract, get_dexorder_contract
from dexorder.contract import UniswapV3Pool, get_contract_event
from dexorder.data import pool_prices, vault_owners, vault_tokens, underfunded_vaults
from dexorder.data import pool_prices, vault_owners, vault_balances
from dexorder.database.model.block import current_block
from dexorder.database.model.transaction import TransactionJob
from dexorder.order.orderlib import SwapOrderState, SwapOrderStatus
@@ -73,6 +73,7 @@ def setup_logevent_triggers(runner):
runner.add_event_trigger(activate_price_triggers)
runner.add_event_trigger(process_execution_requests)
runner.add_event_trigger(handle_create_transactions)
runner.add_event_trigger(handle_send_transactions)
async def handle_order_placed(event: EventData):
@@ -111,18 +112,17 @@ def handle_order_error(event: EventData):
log.debug(f'DexorderError {event}')
def handle_transfer(transfer: EventData):
# todo handle native transfers incl gas for token transfers
from_address = transfer['args']['from']
to_address = transfer['args']['to']
amount = int(transfer['args']['value'])
log.debug(f'transfer {to_address}')
if to_address in vault_owners:
if to_address in vault_owners and to_address != from_address:
token_address = transfer['address']
vault_tokens[to_address].add(token_address)
if to_address in underfunded_vaults:
# todo possibly funded now
pass
if from_address in Order.open_keys:
# todo possibly underfunded now
pass
vault_balances[to_address].add(token_address, amount, 0)
if from_address in vault_owners and to_address != from_address:
token_address = transfer['address']
vault_balances[to_address].add(token_address, -amount, 0)
new_pool_prices: dict[str, int] = {}
@@ -224,9 +224,8 @@ def finish_execution_request(req: TrancheExecutionRequest, error: str):
log.debug(f'execution request for tranche {tk} was successful!')
elif error in ('IIA', 'STF'): # todo not STF
# Insufficient Input Amount or Safe Transfer Failure: suspend execution until new funds are sent
# todo replace with vault balance checks
# todo vault balance checks
token = order.order.tokenIn
# underfunded_vaults[req.vault] = underfunded_vaults.get(req.vault, []) + [token]
log.debug(f'insufficient funds {req.vault} {token} ')
else:
log.error(f'Unhandled execution error for transaction request {req} ERROR: "{error}"')

6
src/dexorder/order/executionhandler.py
View File

@@ -1,6 +1,9 @@
import logging
from uuid import UUID
from web3.exceptions import ContractPanicError
from dexorder import db
from dexorder.base.order import TrancheExecutionRequest, TrancheKey
from dexorder.transaction import TransactionHandler
from dexorder.contract.dexorder import get_dexorder_contract
@@ -17,6 +20,9 @@ class TrancheExecutionHandler (TransactionHandler):
# noinspection PyBroadException
try:
return await get_dexorder_contract().transact.execute(job_id.bytes, (req.vault, req.order_index, req.tranche_index, req.price_proof))
except ContractPanicError as px:
log.error(f'While executing job {job_id}: {px}')
await self.complete_transaction(db.session.get(TransactionJob, job_id))
except Exception:
log.exception(f'Could not send execution request {req}')

6
src/dexorder/order/orderstate.py
View File

@@ -42,7 +42,11 @@ class Order:
@staticmethod
def of(a, b=None):
return Order.instances[a if b is None else OrderKey(a, b)]
key = a if b is None else OrderKey(a, b)
try:
return Order.instances[key]
except KeyError:
log.error(f'Could not find {key} among:\n{", ".join(str(k) for k in Order.instances.keys())}')
@staticmethod

4
src/dexorder/runner.py
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@@ -229,6 +229,7 @@ class BlockStateRunner:
if pubs and self.publish_all:
await maywait(self.publish_all(pubs))
except: # legitimately catch EVERYTHING because we re-raise
log.debug('rolling back session')
if session is not None:
session.rollback()
if blockhash is not None and self.state is not None:
@@ -238,3 +239,6 @@ class BlockStateRunner:
if session is not None:
session.commit()
log.info(f'completed block {block}')
finally:
if session is not None:
session.close()