[WIP] Implement a conditional swap #304
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Changes to gas cost
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Changes to gas cost
🧾 Summary (20% most significant diffs)
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| bytes1 settlementType = settlementData[0]; | ||
| bytes memory strategyData = settlementData[1:]; | ||
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| uint256 returnedAmount; |
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move declaration into the settlementType == 0x01 block
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As discussed, this should not be changed.
contracts/ConditionalSwap.sol
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| IStrategy(strategy).executeStrategy(order.takerToken, order.makerToken, takerTokenAmount, data); | ||
| returnedAmount = order.makerToken.getBalance(address(this)) - makerTokenBalanceBefore; | ||
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| if (returnedAmount < minMakerTokenAmount) revert InsufficientOutput(); |
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I think compare with makerTokenAmount instead of minMakerTokenAmount is more appropriate here.
contracts/ConditionalSwap.sol
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| if (returnedAmount < minMakerTokenAmount) revert InsufficientOutput(); | ||
| order.makerToken.transferTo(order.recipient, returnedAmount); | ||
| } else { | ||
| revert(); // specific the error message1 |
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add error here, debug would be easier
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I add a new error InvalidSettlementType for this case.
| Snapshot memory recMakerToken = BalanceSnapshot.take({ owner: recipient, token: defaultOrder.makerToken }); | ||
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| // craft the `flagAndPeriod` of the defaultOrder for BestBuy case | ||
| uint256 flags = 1 << 253; |
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Define flags constant first and use logic OR here to compose flags to have better semantic meaning.
| super.setUp(); | ||
| } | ||
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| function testBestBuyOrder() external { |
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add comments for different scenario requirement and flags to help reader understanding
alex0207s
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contracts/ConditionalSwap.sol
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| _emitConOrderFilled(order, orderHash, takerTokenAmount, returnedAmount); |
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Should use returnedAmount in event instead.
alex0207s
commented
Mar 14, 2024
| order.takerTokenAmount, | ||
| order.makerToken, | ||
| order.makerTokenAmount, | ||
| keccak256(order.takerTokenPermit), |
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EIP712: The dynamic values
bytesandstringare encoded as a keccak256 hash of their contents.
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fillConOrderfunction