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}, "gasEstimates": { "creation": { "codeDepositCost": "119000", "executionCost": "infinite", "totalCost": "infinite" }, "external": { "multiSend(bytes)": "infinite" } }, "methodIdentifiers": { "multiSend(bytes)": "8d80ff0a" } }, "metadata": "{\"compiler\":{\"version\":\"0.8.10+commit.fc410830\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"transactions\",\"type\":\"bytes\"}],\"name\":\"multiSend\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"}],\"devdoc\":{\"author\":\"Nick Dodson - Gon\\u00e7alo S\\u00e1 - Stefan George - Richard Meissner - \",\"kind\":\"dev\",\"methods\":{\"multiSend(bytes)\":{\"details\":\"Sends multiple transactions and reverts all if one fails.\",\"params\":{\"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\"}}},\"title\":\"Multi Send - Allows to batch multiple transactions into one.\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"multiSend(bytes)\":{\"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\"}},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@gnosis.pm/safe-contracts/contracts/libraries/MultiSend.sol\":\"MultiSend\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@gnosis.pm/safe-contracts/contracts/libraries/MultiSend.sol\":{\"content\":\"// SPDX-License-Identifier: LGPL-3.0-only\\npragma solidity >=0.7.0 <0.9.0;\\n\\n/// @title Multi Send - Allows to batch multiple transactions into one.\\n/// @author Nick Dodson - \\n/// @author Gon\\u00e7alo S\\u00e1 - \\n/// @author Stefan George - \\n/// @author Richard Meissner - \\ncontract MultiSend {\\n address private immutable multisendSingleton;\\n\\n constructor() {\\n multisendSingleton = address(this);\\n }\\n\\n /// @dev Sends multiple transactions and reverts all if one fails.\\n /// @param transactions Encoded transactions. Each transaction is encoded as a packed bytes of\\n /// operation as a uint8 with 0 for a call or 1 for a delegatecall (=> 1 byte),\\n /// to as a address (=> 20 bytes),\\n /// value as a uint256 (=> 32 bytes),\\n /// data length as a uint256 (=> 32 bytes),\\n /// data as bytes.\\n /// see abi.encodePacked for more information on packed encoding\\n /// @notice This method is payable as delegatecalls keep the msg.value from the previous call\\n /// If the calling method (e.g. execTransaction) received ETH this would revert otherwise\\n function multiSend(bytes memory transactions) public payable {\\n require(address(this) != multisendSingleton, \\\"MultiSend should only be called via delegatecall\\\");\\n // solhint-disable-next-line no-inline-assembly\\n assembly {\\n let length := mload(transactions)\\n let i := 0x20\\n for {\\n // Pre block is not used in \\\"while mode\\\"\\n } lt(i, length) {\\n // Post block is not used in \\\"while mode\\\"\\n } {\\n // First byte of the data is the operation.\\n // We shift by 248 bits (256 - 8 [operation byte]) it right since mload will always load 32 bytes (a word).\\n // This will also zero out unused data.\\n let operation := shr(0xf8, mload(add(transactions, i)))\\n // We offset the load address by 1 byte (operation byte)\\n // We shift it right by 96 bits (256 - 160 [20 address bytes]) to right-align the data and zero out unused data.\\n let to := shr(0x60, mload(add(transactions, add(i, 0x01))))\\n // We offset the load address by 21 byte (operation byte + 20 address bytes)\\n let value := mload(add(transactions, add(i, 0x15)))\\n // We offset the load address by 53 byte (operation byte + 20 address bytes + 32 value bytes)\\n let dataLength := mload(add(transactions, add(i, 0x35)))\\n // We offset the load address by 85 byte (operation byte + 20 address bytes + 32 value bytes + 32 data length bytes)\\n let data := add(transactions, add(i, 0x55))\\n let success := 0\\n switch operation\\n case 0 {\\n success := call(gas(), to, value, data, dataLength, 0, 0)\\n }\\n case 1 {\\n success := delegatecall(gas(), to, data, dataLength, 0, 0)\\n }\\n if eq(success, 0) {\\n revert(0, 0)\\n }\\n // Next entry starts at 85 byte + data length\\n i := add(i, add(0x55, dataLength))\\n }\\n }\\n }\\n}\\n\",\"keccak256\":\"0xe6bf0d0a7cd22246fe93dc7da134359d9d61cd2671e20384ec3c9e7677fadc55\",\"license\":\"LGPL-3.0-only\"}},\"version\":1}", "storageLayout": { "storage": [], "types": null }, "userdoc": { "kind": "user", "methods": { "multiSend(bytes)": { "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" } }, "version": 1 } }