Contract Overview
Balance:
0 FTM
FTM Value:
$0.00
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Latest 1 internal transaction
Parent Txn Hash | Block | From | To | Value | |||
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0x9cf3b32dfc062267d7395a32901f2f0516c4ee0416277198caa27e5bfeeb9c17 | 21817245 | 443 days 19 hrs ago | 0x4e59b44847b379578588920ca78fbf26c0b4956c | Contract Creation | 0 FTM |
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Contract Name:
MultiSend
Compiler Version
v0.7.6+commit.7338295f
Contract Source Code (Solidity)
/** *Submitted for verification at FtmScan.com on 2021-11-25 */ // File: contracts/libraries/MultiSend.sol // SPDX-License-Identifier: LGPL-3.0-only pragma solidity >=0.7.0 <0.9.0; /// @title Multi Send - Allows to batch multiple transactions into one. /// @author Nick Dodson - <[email protected]> /// @author Gonçalo Sá - <[email protected]> /// @author Stefan George - <[email protected]> /// @author Richard Meissner - <[email protected]> contract MultiSend { address private immutable multisendSingleton; constructor() { multisendSingleton = address(this); } /// @dev Sends multiple transactions and reverts all if one fails. /// @param transactions Encoded transactions. Each transaction is encoded as a packed bytes of /// operation as a uint8 with 0 for a call or 1 for a delegatecall (=> 1 byte), /// to as a address (=> 20 bytes), /// value as a uint256 (=> 32 bytes), /// data length as a uint256 (=> 32 bytes), /// data as bytes. /// see abi.encodePacked for more information on packed encoding /// @notice This method is payable as delegatecalls keep the msg.value from the previous call /// If the calling method (e.g. execTransaction) received ETH this would revert otherwise function multiSend(bytes memory transactions) public payable { require(address(this) != multisendSingleton, "MultiSend should only be called via delegatecall"); // solhint-disable-next-line no-inline-assembly assembly { let length := mload(transactions) let i := 0x20 for { // Pre block is not used in "while mode" } lt(i, length) { // Post block is not used in "while mode" } { // First byte of the data is the operation. // We shift by 248 bits (256 - 8 [operation byte]) it right since mload will always load 32 bytes (a word). // This will also zero out unused data. let operation := shr(0xf8, mload(add(transactions, i))) // We offset the load address by 1 byte (operation byte) // We shift it right by 96 bits (256 - 160 [20 address bytes]) to right-align the data and zero out unused data. let to := shr(0x60, mload(add(transactions, add(i, 0x01)))) // We offset the load address by 21 byte (operation byte + 20 address bytes) let value := mload(add(transactions, add(i, 0x15))) // We offset the load address by 53 byte (operation byte + 20 address bytes + 32 value bytes) let dataLength := mload(add(transactions, add(i, 0x35))) // We offset the load address by 85 byte (operation byte + 20 address bytes + 32 value bytes + 32 data length bytes) let data := add(transactions, add(i, 0x55)) let success := 0 switch operation case 0 { success := call(gas(), to, value, data, dataLength, 0, 0) } case 1 { success := delegatecall(gas(), to, data, dataLength, 0, 0) } if eq(success, 0) { revert(0, 0) } // Next entry starts at 85 byte + data length i := add(i, add(0x55, dataLength)) } } } }
Contract Security Audit
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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"bytes","name":"transactions","type":"bytes"}],"name":"multiSend","outputs":[],"stateMutability":"payable","type":"function"}]
Contract Creation Code
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Deployed ByteCode Sourcemap
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Swarm Source
ipfs://5c784303626eec02b71940b551976170b500a8a36cc5adcbeb2c19751a76d054
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Validator ID :
0 FTM
Amount Staked
0
Amount Delegated
0
Staking Total
0
Staking Start Epoch
0
Staking Start Time
0
Proof of Importance
0
Origination Score
0
Validation Score
0
Active
0
Online
0
Downtime
0 s
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