38 lines
1.0 KiB
Solidity
38 lines
1.0 KiB
Solidity
// SPDX-License-Identifier: BUSL-1.1
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pragma solidity ^0.8.26;
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library LibSwap {
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/// Returns the InToken index into an array of tokens
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function tokenInIndex(
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bytes calldata swap
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) internal pure returns (uint8 res) {
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res = uint8(swap[0]);
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}
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/// The OutToken index into an array of tokens
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function tokenOutIndex(
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bytes calldata swap
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) internal pure returns (uint8 res) {
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res = uint8(swap[1]);
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}
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/// The relative amount of token quantity routed into this swap
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function splitPercentage(
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bytes calldata swap
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) internal pure returns (uint24 res) {
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res = uint24(bytes3(swap[2:5]));
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}
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/// The address of the executor contract
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function executor(bytes calldata swap) internal pure returns (address res) {
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res = address(uint160(bytes20(swap[5:25])));
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}
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/// Remaining bytes are interpreted as protocol data
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function protocolData(
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bytes calldata swap
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) internal pure returns (bytes calldata res) {
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res = swap[25:];
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}
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}
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