29 lines
966 B
Solidity
29 lines
966 B
Solidity
// SPDX-License-Identifier: GPL-2.0-or-later
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pragma solidity =0.7.6;
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pragma abicoder v2;
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import '../interfaces/IMulticall.sol';
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/// @title Multicall
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/// @notice Enables calling multiple methods in a single call to the contract
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abstract contract Multicall is IMulticall {
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/// @inheritdoc IMulticall
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function multicall(bytes[] calldata data) external payable override returns (bytes[] memory results) {
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results = new bytes[](data.length);
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for (uint256 i = 0; i < data.length; i++) {
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(bool success, bytes memory result) = address(this).delegatecall(data[i]);
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if (!success) {
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// Next 5 lines from https://ethereum.stackexchange.com/a/83577
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if (result.length < 68) revert();
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assembly {
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result := add(result, 0x04)
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}
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revert(abi.decode(result, (string)));
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}
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results[i] = result;
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}
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}
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}
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