MerkleAirdrop | BNBChain

codeslaw

MerkleAirdropSolidityv0.8.20+commit.a1b79de6

network

BNBChain

address0x253c566a8cd1611736b6d9591faa37a19d17845f

deployer0xb90286f15117cB8ba62E5A2468Db7Cd8394281cf

tx last 12 months

466 txs

calls last 12 months

468 calls

10 Files

lib

openzeppelin-contracts

contracts

access

Ownable.sol

Ownable2Step.sol

token

ERC20

IERC20.sol

extensions

IERC20Permit.sol

utils

SafeERC20.sol

utils

Address.sol

Context.sol

Pausable.sol

cryptography

MerkleProof.sol

src

MerkleAirdrop.sol

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

abi

constructor

constructor(string name_, address token_)

functions

airdropConfig

view

function airdropConfig() view returns (bytes32 merkleRoot, uint128 startTime, uint128 endTime)

name

view

function name() view returns (string)

owner

view

function owner() view returns (address)

paused

view

function paused() view returns (bool)

pendingOwner

view

function pendingOwner() view returns (address)

ultiToken

view

function ultiToken() view returns (address)

userClaimedAmounts

view

function userClaimedAmounts(address) view returns (uint256)

acceptOwnership

nonpayable

function acceptOwnership()

claim

nonpayable

function claim(uint256 amount, bytes32[] proof)

pause

nonpayable

function pause()

renounceOwnership

nonpayable

function renounceOwnership()

setAirdropConfig

nonpayable

function setAirdropConfig(tuple config)

transferOwnership

nonpayable

function transferOwnership(address newOwner)

unpause

nonpayable

function unpause()

withdraw

nonpayable

function withdraw(uint256 amount)

events

ConfigUpdated

event ConfigUpdated((bytes32 merkleRoot, uint128 startTime, uint128 endTime) config)

OwnershipTransferred

event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)

OwnershipTransferStarted

event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner)

Paused

event Paused(address account)

TokenWithdrawn

event TokenWithdrawn(address owner, uint256 amount)

Unpaused

event Unpaused(address account)

UserClaimed

event UserClaimed(address user, uint256 amount)

errors

AddressEmptyCode

error AddressEmptyCode(address target)

AddressInsufficientBalance

error AddressInsufficientBalance(address account)

ClaimNotAvailable

error ClaimNotAvailable()

EnforcedPause

error EnforcedPause()

ExpectedPause

error ExpectedPause()

FailedInnerCall

error FailedInnerCall()

InvalidProof

error InvalidProof()

OwnableInvalidOwner

error OwnableInvalidOwner(address owner)

OwnableUnauthorizedAccount

error OwnableUnauthorizedAccount(address account)

SafeERC20FailedOperation

error SafeERC20FailedOperation(address token)

UserAlreadyClaimed

error UserAlreadyClaimed()

bytecode

creation bytecode

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