πLimitSell
Description
Action ID: 0x8c712c04
A special Limit Sell action used as a part of the limit order strategy
SDK Action
const dfsLimitSellAction = new dfs.actions.basic.LimitSell(
exchangeOrder,
from,
to,
gasUsed
);
Contract
This is a DFS STANDARD_ACTION.
Input:
struct OffchainData {
address wrapper; // dfs wrapper address for the aggregator (must be in WrapperExchangeRegistry)
address exchangeAddr; // exchange address we are calling to execute the order (must be in ExchangeAggregatorRegistry)
address allowanceTarget; // exchange aggregator contract we give allowance to
uint256 price; // expected price that the aggregator sent us
uint256 protocolFee; // deprecated (used as a separate fee amount for 0x v1)
bytes callData; // 0ff-chain calldata the aggregator gives to perform the swap
}
struct ExchangeData {
address srcAddr; // source token address (which we're selling)
address destAddr; // destination token address (which we're buying)
uint256 srcAmount; // amount of source token in token decimals
uint256 destAmount; // amount of bought token in token decimals
uint256 minPrice; // minPrice we are expecting (checked in DFSExchangeCore)
uint256 dfsFeeDivider; // service fee divider
address user; // user to check if custom fee is set for the user
address wrapper; // on-chain wrapper address (must be in WrapperExchangeRegistry)
bytes wrapperData; // on-chain additional data for on-chain (uniswap route for example)
OffchainData offchainData; // offchain aggregator order
}
// @param exchangeData data
// @param from The order sender
// @param to The order recipient
// @param gasUsed Amount of gas spent as part of the strategy
struct Params {
ExchangeData exchangeData;
address from;
address to;
uint256 gasUsed;
}
Return value:
return bytes32(exchangeAmount);
Events:
emit ActionEvent("LimitSell", logData);
bytes memory logData = abi.encode(
wrapper,
_exchangeData.srcAddr,
_exchangeData.destAddr,
_exchangeData.srcAmount,
exchangedAmount,
_exchangeData.dfsFeeDivider
);
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