Address Contract Partially Verified
Address
0x996B396b88Cc4A1D8Df3dBd1c088CDfaEE17e6D4
Balance
0 ETH
Nonce
1
Code Size
5460 bytes
Creator
0xBad87A8C...225f at tx 0xf912467b...3247b2
Indexed Transactions
0 (1 on-chain, 1.0% indexed)
Contract Bytecode
5460 bytes
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Verified Source Code Partial Match
Compiler: v0.5.13+commit.5b0b510c
EVM: petersburg
Optimization: No
PegnetToken.sol 131 lines
pragma solidity ^0.5.12;
contract SafeMath {
function safeSub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function safeAdd(uint256 a, uint256 b) internal pure returns (uint256) {
uint c = a + b;
assert(c >= a && c >= b);
return c;
}
}
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/issues/20
contract ERC20Interface is SafeMath {
function totalSupply() public view returns (uint256);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint256 remaining);
function transfer(address to, uint256 tokens) public returns (bool success);
function approve(address spender, uint256 tokens) public returns (bool success);
function transferFrom(address from, address to, uint256 tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint256 tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint256 tokens);
}
contract PegnetToken is ERC20Interface {
string public symbol;
string public name;
uint8 public decimals = 8;
uint256 _totalSupply = 0;
// Owner of this contract
address public owner;
// Balances for each account
mapping(address => uint256) balances;
// Owner of account approves the transfer of an amount to another account
mapping(address => mapping (address => uint256)) allowed;
// Constructor
constructor(string memory _symbol,string memory _name) public {
owner = msg.sender;
symbol = _symbol;
name = _name;
}
function totalSupply() view public returns (uint256 ts) {
ts = _totalSupply;
}
// What is the balance of a particular account?
function balanceOf(address _owner) view public returns (uint256 balance) {
return balances[_owner];
}
// Transfer the balance from sender's account to another account
function transfer(address _to, uint256 _amount) public returns (bool success) {
if (balances[msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[msg.sender] = safeSub(balances[msg.sender], _amount);
balances[_to] = safeAdd(balances[_to], _amount);
emit Transfer(msg.sender, _to, _amount);
return true;
} else {
return false;
}
}
// Send _value amount of tokens from address _from to address _to
// The transferFrom method is used for a withdraw workflow, allowing contracts to send
// tokens on your behalf, for example to "deposit" to a contract address and/or to charge
// fees in sub-currencies; the command should fail unless the _from account has
// deliberately authorized the sender of the message via some mechanism; we propose
// these standardized APIs for approval:
function transferFrom(
address _from,
address _to,
uint256 _amount
) public returns (bool success) {
if (balances[_from] >= _amount
&& allowed[_from][msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[_from] = safeSub(balances[_from], _amount);
allowed[_from][msg.sender] = safeSub(allowed[_from][msg.sender], _amount);
balances[_to] = safeAdd(balances[_to], _amount);
emit Transfer(_from, _to, _amount);
return true;
} else {
return false;
}
}
// change the owner of this smart contract
function changeOwner(address new_owner) public {
require (msg.sender == owner, "only the owner can change ownership");
owner = new_owner;
}
// create token and send to user
function issue(address _receiver, uint256 _amount) public {
require (msg.sender == owner, "only contract owner can issue.");
_totalSupply = safeAdd(_totalSupply, _amount);
balances[_receiver] = safeAdd(balances[_receiver], _amount);
emit Transfer(owner, _receiver, _amount);
}
// destroy token when the user claims their tokens
function burn(uint256 _amount) public {
require (msg.sender == owner, "only contract owner can burn.");
require (balances[owner] >= _amount && _totalSupply >= _amount, "the consumer must have at least the amount of tokens to be burned, and there must be at least that much in the total supply");
_totalSupply = safeSub(_totalSupply, _amount);
balances[owner] = safeSub(balances[owner], _amount);
}
// Allow _spender to withdraw from your account, multiple times, up to the _value amount.
// If this function is called again it overwrites the current allowance with _value.
function approve(address _spender, uint256 _amount) public returns (bool success) {
allowed[msg.sender][_spender] = _amount;
emit Approval(msg.sender, _spender, _amount);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
Read Contract
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 6 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address _spender
uint256 _amount
returns: bool
burn 0x42966c68
uint256 _amount
changeOwner 0xa6f9dae1
address new_owner
issue 0x867904b4
address _receiver
uint256 _amount
transfer 0xa9059cbb
address _to
uint256 _amount
returns: bool
transferFrom 0x23b872dd
address _from
address _to
uint256 _amount
returns: bool
Recent Transactions
This address has 1 on-chain transactions, but only 1.0% of the chain is indexed. Transactions will appear as indexing progresses. View on Etherscan →