Interface changes:
- Rename StrategySelector to StrategyEncoderRegistry
- Implement clone for SwapEncoder
The StrategyEncoderRegistry needs to be initialised at the highest level and the passed to the TychoEncoder.
The TychoEncoder doesn't hold the chain nor the signer_pk as attributes anymore
The StrategyEncoderRegistry does:
- Initialises the SwapEncoderRegistry
- Initialises all the strategies and saves them in a HashMap
- Later, the TychoEncoder only reads from this hashmap
The StrategyEncoder now each holds a SwapEncoderRegistry as an attribute and they use this to get the correct SwapEncoder instead of reading from the global SWAP_ENCODER_REGISTRY
Simplified the SwapEncoderRegistry to not need a Config (everything is done inside itself)
All SwapEncoders implement clone
Took 2 hours 29 minutes
Took 11 seconds
Took 2 minutes
Because of the renaming, git couldn't identify the new files and handle the conflicts gracefully.
Copied implementation for ExecutorStrategyEncoder from main
Rollbacked on decision to encode the executor address and selector inside the SwapEncoders. This is only necessary for certain strategies. So it should be done at the strategy level
--- don't change below this line ---
ENG-4081 Took 35 minutes
This was confusing me when I had all of them open at the same time. Better to be extra explicit
--- don't change below this line ---
ENG-4081 Took 2 minutes
Pass the signer's private key as a string around and only create a PrivateKeySigner inside Permit2 (where it's needed)
Use tycho-core Chain instead of Alloy ChainID. Create a temp method to convert between them
Create a EVMSwapEncoder that implements the executor_selector (that is evm specific)
--- don't change below this line ---
ENG-4081 Took 1 hour 7 minutes
The strategy works as follows:
- Manage approvals needed
- Compute min amount (if check amount is any):
- if slippage is defined, apply slippage on the expected amount and take the min value between that and the check amount
- if not, it's just the check amount
- Iterate through the swaps
- call the corresponding swap encoder to encode the swap
- add swap header (tokens indexes and split)
- ple encode the swaps
- Add extra inputs (amounts, token addresses, min amount, (un)wrap, number of tokens and receiver)
Misc:
- Move executor address and selector encoding inside the SwapEncoder
- Add default executor_selector to SwapEncoder
- Pass router address inside the SplitSwapStrategyEncoder
- Move Permit2 inside the SplitSwapStrategyEncoder. It is a responsibility and a specificity of the strategy to need permit2 approvals
--- don't change below this line ---
ENG-4081 Took 1 hour 21 minutes
- No more supply owed action type or action data - we will always transfer from our router using a regular transfer in the callback.
- The receiver will always be sent with the actual swap call, meaning that no forward received action type or data is necessary either.
- We decode the pool fee as le-bytes and not be-bytes because that's how it's stored: 3c08359cf1/substreams/ethereum-uniswap-v3/src/modules/1_map_pool_created.rs (L64)
When will this not be the router address that we use for approvals? It will always be the router address. address_for_approvals sounds to me very vague (which approvals?).
I decided to make ProtocolApprovalsManager public method sync not to propagate asynceness early on onto the rest of the code. If later we decide that it is better to have this async, it should be easier to make that change than the opposite one.
--- don't change below this line ---
ENG-4064 Took 24 minutes
- Move all evm code inside evm directory
- StrategyEncoder:
- Kept StrategyEncoder trait but created a new one: EVMStrategyEncoder to implement encode_protocol_header (that is evm specific).
- All StrategyEncoders implement both traits now
- Renamed DefaultStrategySelector -> EVMStrategySelector
- RouterEncoder:
- Created a RouterEncoder trait and a EVMRouterEncoder that implements it
- Moved utils inside evm directory as well
- Renamed config.json -> executor_addresses.json and moved it to a higher config directory
- Make alloy optional and dependent on the evm feature gate
--- don't change below this line ---
ENG-4075 <#DTT#>
