Address Contract Partially Verified
Address
0xa67Fb45C3993Be1256268C60c620a657c3d2b888
Balance
0 ETH
Nonce
1
Code Size
6130 bytes
Creator
0x71fbe464...4eF8 at tx 0x5d74ab5d...04c493
Indexed Transactions
0 (1 on-chain, 1.1% indexed)
Contract Bytecode
6130 bytes
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Verified Source Code Partial Match
Compiler: v0.4.24+commit.e67f0147
EVM: byzantium
Optimization: No
BraveSoundToken.sol 297 lines
pragma solidity 0.4.24;
/**
* @title SafeMath
* @dev Math operations with safety checks that revert on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
// interface standard erc20
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract Ownable {
address public owner;
event transferOwner(address indexed existingOwner, address indexed newOwner);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0)) {
owner = newOwner;
emit transferOwner(msg.sender, owner);
}
}
}
// more common interface erc20
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
// implementation of transfer token
function transfer(address _to, uint256 _value) public returns (bool) {
require(_value > 0);
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
// check balance user (map)
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
// implementation transfer from another user
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_value > 0);
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
// implementation approval to allowed transfer
function approve(address _spender, uint256 _value) public returns (bool) {
require(_value > 0);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
// check total allowance particular user
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
// implementation increase total approval from particular user
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
require(_addedValue > 0);
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
// implementation decrease total approval from particular user
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
require(_subtractedValue > 0);
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
//@dev Modifier to make a function callable only when the contract is not paused.
modifier whenNotPaused() {
require(!paused);
_;
}
//@dev Modifier to make a function callable only when the contract is paused.
modifier whenPaused() {
require(paused);
_;
}
//@dev called by the owner to pause, triggers stopped state
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
//@dev called by the owner to unpause, returns to normal state
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
// implementation pauseable erc20
contract PausableToken is StandardToken, Pausable {
// call whenNotPaused modifier to check next state
function transfer(
address _to,
uint256 _value
)
public
whenNotPaused
returns (bool)
{
return super.transfer(_to, _value);
}
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
whenNotPaused
returns (bool)
{
return super.transferFrom(_from, _to, _value);
}
function approve(
address _spender,
uint256 _value
)
public
whenNotPaused
returns (bool)
{
return super.approve(_spender, _value);
}
function increaseApproval(
address _spender,
uint _addedValue
)
public
whenNotPaused
returns (bool success)
{
return super.increaseApproval(_spender, _addedValue);
}
function decreaseApproval(
address _spender,
uint _subtractedValue
)
public
whenNotPaused
returns (bool success)
{
return super.decreaseApproval(_spender, _subtractedValue);
}
}
contract BraveSoundToken is PausableToken {
string public constant name = "Brave Sound Token";
string public constant symbol = "BRST";
uint8 public constant decimals = 0;
uint256 public constant INITIAL_SUPPLY = 10000000000 * (10 ** uint256(decimals));
constructor(address reserve) public {
totalSupply = INITIAL_SUPPLY;
balances[reserve] = INITIAL_SUPPLY;
emit Transfer(0x0, reserve, INITIAL_SUPPLY);
}
}
Read Contract
INITIAL_SUPPLY 0x2ff2e9dc → uint256
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
owner 0x8da5cb5b → address
paused 0x5c975abb → bool
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 8 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address _spender
uint256 _value
returns: bool
decreaseApproval 0x66188463
address _spender
uint256 _subtractedValue
returns: bool
increaseApproval 0xd73dd623
address _spender
uint256 _addedValue
returns: bool
pause 0x8456cb59
No parameters
transfer 0xa9059cbb
address _to
uint256 _value
returns: bool
transferFrom 0x23b872dd
address _from
address _to
uint256 _value
returns: bool
transferOwnership 0xf2fde38b
address newOwner
unpause 0x3f4ba83a
No parameters
Recent Transactions
This address has 1 on-chain transactions, but only 1.1% of the chain is indexed. Transactions will appear as indexing progresses. View on Etherscan →