SingletonPaymasterV6 | Polygon

codeslaw

SingletonPaymasterV6Solidityv0.8.26+commit.8a97fa7a

network

Polygon

address0xac2aeeb92954361ceae72b785094cc21a87b8c93

deployer0x433704c40F80cBff02e86FD36Bc8baC5e31eB0c1

tx last 12 months

0 txs

calls last 12 months

0 calls

28 Files

lib

account-abstraction-v6

contracts

core

Helpers.sol

interfaces

IAggregator.sol

IEntryPoint.sol

INonceManager.sol

IPaymaster.sol

IStakeManager.sol

UserOperation.sol

account-abstraction-v7

contracts

interfaces

IAggregator.sol

IEntryPoint.sol

INonceManager.sol

IStakeManager.sol

PackedUserOperation.sol

openzeppelin-contracts-v5.0.2

contracts

access

Ownable.sol

utils

Context.sol

Strings.sol

cryptography

ECDSA.sol

MessageHashUtils.sol

introspection

IERC165.sol

math

Math.sol

SignedMath.sol

solady

src

utils

SafeTransferLib.sol

SignatureCheckerLib.sol

src

SingletonPaymasterV6.sol

base

BasePaymaster.sol

BaseSingletonPaymaster.sol

MultiSigner.sol

interfaces

IPaymasterV6.sol

PostOpMode.sol

Source: Etherscan, Smart Contract Sanctuary, or Sourcify. For more information, see our about page.

abi

constructor

constructor(address _entryPoint, address _owner, address[] _signers)

functions

entryPoint

view

function entryPoint() view returns (address)

getCostInToken

pure

function getCostInToken(uint256 _actualGasCost, uint256 _postOpGas, uint256 _actualUserOpFeePerGas, uint256 _exchangeRate) pure returns (uint256)

getDeposit

view

function getDeposit() view returns (uint256)

getHash

view

function getHash(tuple _userOp, uint48 _validUntil, uint48 _validAfter, address _token, uint128 _postOpGas, uint256 _exchangeRate) view returns (bytes32)

getHash

view

function getHash(tuple _userOp, uint48 _validUntil, uint48 _validAfter) view returns (bytes32)

owner

view

function owner() view returns (address)

signers

view

function signers(address account) view returns (bool isValidSigner)

treasury

view

function treasury() view returns (address)

addSigner

nonpayable

function addSigner(address _signer)

addStake

payable

function addStake(uint32 unstakeDelaySec) payable

deposit

payable

function deposit() payable

postOp

nonpayable

function postOp(uint8 mode, bytes context, uint256 actualGasCost)

removeSigner

nonpayable

function removeSigner(address _signer)

renounceOwnership

nonpayable

function renounceOwnership()

setTreasury

nonpayable

function setTreasury(address _treasury)

transferOwnership

nonpayable

function transferOwnership(address newOwner)

unlockStake

nonpayable

function unlockStake()

validatePaymasterUserOp

nonpayable

function validatePaymasterUserOp(tuple userOp, bytes32 userOpHash, uint256 maxCost) returns (bytes context, uint256 validationData)

withdrawStake

nonpayable

function withdrawStake(address withdrawAddress)

withdrawTo

nonpayable

function withdrawTo(address withdrawAddress, uint256 amount)

events

OwnershipTransferred

event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)

SignerAdded

event SignerAdded(address signer)

SignerRemoved

event SignerRemoved(address signer)

TreasuryUpdated

event TreasuryUpdated(address oldTreasury, address newTreasury)

UserOperationSponsored

event UserOperationSponsored(bytes32 indexed userOpHash, address indexed user, uint8 paymasterMode, address token, uint256 tokenAmountPaid, uint256 exchangeRate)

errors

ECDSAInvalidSignature

error ECDSAInvalidSignature()

ECDSAInvalidSignatureLength

error ECDSAInvalidSignatureLength(uint256 length)

ECDSAInvalidSignatureS

error ECDSAInvalidSignatureS(bytes32 s)

ExchangeRateInvalid

error ExchangeRateInvalid()

OwnableInvalidOwner

error OwnableInvalidOwner(address owner)

OwnableUnauthorizedAccount

error OwnableUnauthorizedAccount(address account)

PaymasterAndDataLengthInvalid

error PaymasterAndDataLengthInvalid()

PaymasterConfigLengthInvalid

error PaymasterConfigLengthInvalid()

PaymasterModeInvalid

error PaymasterModeInvalid()

PaymasterSignatureLengthInvalid

error PaymasterSignatureLengthInvalid()

PostOpTransferFromFailed

error PostOpTransferFromFailed(string msg)

TokenAddressInvalid

error TokenAddressInvalid()

bytecode

creation bytecode

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