- Contract name:
- Multicall2
- Optimization enabled
- true
- Compiler version
- v0.8.0+commit.c7dfd78e
- Optimization runs
- 200
- EVM Version
- default
- Verified at
- 2021-12-08T07:30:51.856195Z
Contract source code
// File contracts/libs/Multicall2.sol
pragma solidity >=0.8.0;
pragma experimental ABIEncoderV2;
/// @title Multicall2 - Aggregate results from multiple read-only function calls
/// @author Michael Elliot <[email protected]>
/// @author Joshua Levine <[email protected]>
/// @author Nick Johnson <[email protected]>
contract Multicall2 {
struct Call {
address target;
bytes callData;
}
struct Result {
bool success;
bytes returnData;
}
function aggregate(Call[] memory calls) public returns (uint256 blockNumber, bytes[] memory returnData) {
blockNumber = block.number;
returnData = new bytes[](calls.length);
for(uint256 i = 0; i < calls.length; i++) {
(bool success, bytes memory ret) = calls[i].target.call(calls[i].callData);
require(success, "Multicall aggregate: call failed");
returnData[i] = ret;
}
}
function blockAndAggregate(Call[] memory calls) public returns (uint256 blockNumber, bytes32 blockHash, Result[] memory returnData) {
(blockNumber, blockHash, returnData) = tryBlockAndAggregate(true, calls);
}
function getBlockHash(uint256 blockNumber) public view returns (bytes32 blockHash) {
blockHash = blockhash(blockNumber);
}
function getBlockNumber() public view returns (uint256 blockNumber) {
blockNumber = block.number;
}
function getCurrentBlockCoinbase() public view returns (address coinbase) {
coinbase = block.coinbase;
}
function getCurrentBlockDifficulty() public view returns (uint256 difficulty) {
difficulty = block.difficulty;
}
function getCurrentBlockGasLimit() public view returns (uint256 gaslimit) {
gaslimit = block.gaslimit;
}
function getCurrentBlockTimestamp() public view returns (uint256 timestamp) {
timestamp = block.timestamp;
}
function getEthBalance(address addr) public view returns (uint256 balance) {
balance = addr.balance;
}
function getLastBlockHash() public view returns (bytes32 blockHash) {
blockHash = blockhash(block.number - 1);
}
function tryAggregate(bool requireSuccess, Call[] memory calls) public returns (Result[] memory returnData) {
returnData = new Result[](calls.length);
for(uint256 i = 0; i < calls.length; i++) {
(bool success, bytes memory ret) = calls[i].target.call(calls[i].callData);
if (requireSuccess) {
require(success, "Multicall2 aggregate: call failed");
}
returnData[i] = Result(success, ret);
}
}
function tryBlockAndAggregate(bool requireSuccess, Call[] memory calls) public returns (uint256 blockNumber, bytes32 blockHash, Result[] memory returnData) {
blockNumber = block.number;
blockHash = blockhash(block.number);
returnData = tryAggregate(requireSuccess, calls);
}
}
Contract ABI
[{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"uint256","name":"blockNumber","internalType":"uint256"},{"type":"bytes[]","name":"returnData","internalType":"bytes[]"}],"name":"aggregate","inputs":[{"type":"tuple[]","name":"calls","internalType":"struct Multicall2.Call[]","components":[{"type":"address","name":"target","internalType":"address"},{"type":"bytes","name":"callData","internalType":"bytes"}]}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"uint256","name":"blockNumber","internalType":"uint256"},{"type":"bytes32","name":"blockHash","internalType":"bytes32"},{"type":"tuple[]","name":"returnData","internalType":"struct Multicall2.Result[]","components":[{"type":"bool","name":"success","internalType":"bool"},{"type":"bytes","name":"returnData","internalType":"bytes"}]}],"name":"blockAndAggregate","inputs":[{"type":"tuple[]","name":"calls","internalType":"struct Multicall2.Call[]","components":[{"type":"address","name":"target","internalType":"address"},{"type":"bytes","name":"callData","internalType":"bytes"}]}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"blockHash","internalType":"bytes32"}],"name":"getBlockHash","inputs":[{"type":"uint256","name":"blockNumber","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"blockNumber","internalType":"uint256"}],"name":"getBlockNumber","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"coinbase","internalType":"address"}],"name":"getCurrentBlockCoinbase","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"difficulty","internalType":"uint256"}],"name":"getCurrentBlockDifficulty","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"gaslimit","internalType":"uint256"}],"name":"getCurrentBlockGasLimit","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"timestamp","internalType":"uint256"}],"name":"getCurrentBlockTimestamp","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"balance","internalType":"uint256"}],"name":"getEthBalance","inputs":[{"type":"address","name":"addr","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"blockHash","internalType":"bytes32"}],"name":"getLastBlockHash","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"tuple[]","name":"returnData","internalType":"struct Multicall2.Result[]","components":[{"type":"bool","name":"success","internalType":"bool"},{"type":"bytes","name":"returnData","internalType":"bytes"}]}],"name":"tryAggregate","inputs":[{"type":"bool","name":"requireSuccess","internalType":"bool"},{"type":"tuple[]","name":"calls","internalType":"struct Multicall2.Call[]","components":[{"type":"address","name":"target","internalType":"address"},{"type":"bytes","name":"callData","internalType":"bytes"}]}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"uint256","name":"blockNumber","internalType":"uint256"},{"type":"bytes32","name":"blockHash","internalType":"bytes32"},{"type":"tuple[]","name":"returnData","internalType":"struct Multicall2.Result[]","components":[{"type":"bool","name":"success","internalType":"bool"},{"type":"bytes","name":"returnData","internalType":"bytes"}]}],"name":"tryBlockAndAggregate","inputs":[{"type":"bool","name":"requireSuccess","internalType":"bool"},{"type":"tuple[]","name":"calls","internalType":"struct Multicall2.Call[]","components":[{"type":"address","name":"target","internalType":"address"},{"type":"bytes","name":"callData","internalType":"bytes"}]}]}]
Deployed ByteCode
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