LaunchpadToken
0x9dfbaec1ea57781e9973cef0325f8e21009ca1ce
Verification
Verified
v0.8.26+commit.8a97fa7a
Type
Contract
3,650 bytes
ABI entries
36
14 read · 4 write
License
none
Contract information
- Address
- 0x9dfbaec1ea57781e9973cef0325f8e21009ca1ce
- Chain
- Robinhood Chain (4663)
- Compiler
- v0.8.26+commit.8a97fa7a
- Optimization
- Enabled
- Creator
- 0xc12F4cc3d6…454350A352
- Creation tx
- 0xfd1968de1e…c88350cc2e
Token
- Name
- tim cook
- Symbol
- timcook
- Decimals
- 18
- Holders
- 5
- Market
- View token page →
Read contract (14)
DOMAIN_SEPARATOR() → bytes32
allowance(address, address) → uint256
balanceOf(address) → uint256
contractURI() → string
creator() → address
decimals() → uint8
eip712Domain() → bytes1, string, string, uint256, address, bytes32, uint256[]
hook() → address
launchpad() → address
metadataURI() → string
name() → string
nonces(address) → uint256
symbol() → string
totalSupply() → uint256
Events (3)
ApprovalEIP712DomainChangedTransfer
ABI
[
{
"inputs": [
{
"internalType": "string",
"name": "name_",
"type": "string"
},
{
"internalType": "string",
"name": "symbol_",
"type": "string"
},
{
"internalType": "address",
"name": "creator_",
"type": "address"
},
{
"internalType": "address",
"name": "launchpad_",
"type": "address"
},
{
"internalType": "uint256",
"name": "totalSupply_",
"type": "uint256"
},
{
"internalType": "string",
"name": "metadataURI_",
"type": "string"
}
],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"inputs": [],
"name": "ECDSAInvalidSignature",
"type": "error"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "length",
"type": "uint256"
}
],
"name": "ECDSAInvalidSignatureLength",
"type": "error"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "s",
"type": "bytes32"
}
],
"name": "ECDSAInvalidSignatureS",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"internalType": "uint256",
"name": "allowance",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "needed",
"type": "uint256"
}
],
"name": "ERC20InsufficientAllowance",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "sender",
"type": "address"
},
{
"internalType": "uint256",
"name": "balance",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "needed",
"type": "uint256"
}
],
"name": "ERC20InsufficientBalance",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "approver",
"type": "address"
}
],
"name": "ERC20InvalidApprover",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "receiver",
"type": "address"
}
],
"name": "ERC20InvalidReceiver",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "sender",
"type": "address"
}
],
"name": "ERC20InvalidSender",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "spender",
"type": "address"
}
],
"name": "ERC20InvalidSpender",
"type": "error"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "deadline",
"type": "uint256"
}
],
"name": "ERC2612ExpiredSignature",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "signer",
"type": "address"
},
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "ERC2612InvalidSigner",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "account",
"type": "address"
},
{
"internalType": "uint256",
"name": "currentNonce",
"type": "uint256"
}
],
"name": "InvalidAccountNonce",
"type": "error"
},
{
"inputs": [],
"name": "InvalidShortString",
"type": "error"
},
{
"inputs": [
{
"internalType": "string",
"name": "str",
"type": "string"
}
],
"name": "StringTooLong",
"type": "error"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"indexed": false,
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "Approval",
"type": "event"
},
{
"anonymous": false,
"inputs": [],
"name": "EIP712DomainChanged",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "from",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "to",
"type": "address"
},
{
"indexed": false,
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "Transfer",
"type": "event"
},
{
"inputs": [],
"name": "DOMAIN_SEPARATOR",
"outputs": [
{
"internalType": "bytes32",
"name": "",
"type": "bytes32"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"internalType": "address",
"name": "spender",
"type": "address"
}
],
"name": "allowance",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "approve",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "balanceOf",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "contractURI",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "creator",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "decimals",
"outputs": [
{
"internalType": "uint8",
"name": "",
"type": "uint8"
}
],
"stateMutability": "pure",
"type": "function"
},
{
"inputs": [],
"name": "eip712Domain",
"outputs": [
{
"internalType": "bytes1",
"name": "fields",
"type": "bytes1"
},
{
"internalType": "string",
"name": "name",
"type": "string"
},
{
"internalType": "string",
"name": "version",
"type": "string"
},
{
"internalType": "uint256",
"name": "chainId",
"type": "uint256"
},
{
"internalType": "address",
"name": "verifyingContract",
"type": "address"
},
{
"internalType": "bytes32",
"name": "salt",
"type": "bytes32"
},
{
"internalType": "uint256[]",
"name": "extensions",
"type": "uint256[]"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "hook",
"outputs": [
{
"internalType": "contract ILaunchpadHook",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "launchpad",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "metadataURI",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "name",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "nonces",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"internalType": "uint256",
"name": "value",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "deadline",
"type": "uint256"
},
{
"internalType": "uint8",
"name": "v",
"type": "uint8"
},
{
"internalType": "bytes32",
"name": "r",
"type": "bytes32"
},
{
"internalType": "bytes32",
"name": "s",
"type": "bytes32"
}
],
"name": "permit",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "symbol",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "totalSupply",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "transfer",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "transferFrom",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
}
]Source code
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;
import {ERC20} from "openzeppelin-contracts/contracts/token/ERC20/ERC20.sol";
import {ERC20Permit} from "openzeppelin-contracts/contracts/token/ERC20/extensions/ERC20Permit.sol";
interface ILaunchpadHook {
function onTransfer(address token, address from, address to) external;
}
contract LaunchpadToken is ERC20, ERC20Permit {
address public immutable creator;
address public immutable launchpad;
ILaunchpadHook public immutable hook;
/// @dev URI of the token's off-chain metadata JSON (image, external_url,
/// socials). Set once at launch. Terminals and explorers read this via
/// the ERC-7572 contractURI() convention to display the coin's assets.
string private _metadataURI;
constructor(
string memory name_,
string memory symbol_,
address creator_,
address launchpad_,
uint256 totalSupply_,
string memory metadataURI_
) ERC20(name_, symbol_) ERC20Permit(name_) {
creator = creator_;
launchpad = launchpad_;
hook = ILaunchpadHook(launchpad_);
_metadataURI = metadataURI_;
_mint(launchpad_, totalSupply_);
}
/// @notice ERC-7572 contract-level metadata URI (image, website, socials).
function contractURI() external view returns (string memory) {
return _metadataURI;
}
/// @notice Alias for contractURI(); some indexers look for this name instead.
function metadataURI() external view returns (string memory) {
return _metadataURI;
}
function _update(address from, address to, uint256 value) internal override {
if (from != address(0) && to != address(0) && from != to) {
hook.onTransfer(address(this), from, to);
}
super._update(from, to, value);
}
function name() public view override returns (string memory) { return super.name(); }
function symbol() public view override returns (string memory) { return super.symbol(); }
function decimals() public pure override returns (uint8) { return 18; }
}
Chain explorer1643msChain node89ms