Address Contract Partially Verified
Address
0xe7D3e4413E29ae35B0893140F4500965c74365e5
Balance
0 ETH
Nonce
1
Code Size
6789 bytes
Creator
0x2250683D...916C at tx 0xc8bb5092...6ca5ed
Indexed Transactions
0
Contract Bytecode
6789 bytes
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Verified Source Code Partial Match
Compiler: v0.4.21+commit.dfe3193c
EVM: byzantium
Optimization: No
B2BCoinContract.sol 263 lines
pragma solidity ^0.4.13;
contract tokenRecipientInterface {
function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData);
}
contract ERC20TokenInterface {
function totalSupply() public constant returns (uint256 _totalSupply);
function balanceOf(address _owner) public constant returns (uint256 balance);
function transfer(address _to, uint256 _value) public returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address _owner, address _spender) public constant returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract SafeMath {
uint256 constant public MAX_UINT256 = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;
function safeAdd(uint256 x, uint256 y) constant internal returns (uint256 z) {
require(x <= MAX_UINT256 - y);
return x + y;
}
function safeSub(uint256 x, uint256 y) constant internal returns (uint256 z) {
require(x >= y);
return x - y;
}
function safeMul(uint256 x, uint256 y) constant internal returns (uint256 z) {
if (y == 0) {
return 0;
}
require(x <= (MAX_UINT256 / y));
return x * y;
}
}
contract Owned {
address public owner;
address public newOwner;
function Owned() {
owner = msg.sender;
}
modifier onlyOwner {
assert(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
require(_newOwner != owner);
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner);
OwnerUpdate(owner, newOwner);
owner = newOwner;
newOwner = 0x0;
}
event OwnerUpdate(address _prevOwner, address _newOwner);
}
contract Lockable is Owned {
uint256 public lockedUntilBlock;
event ContractLocked(uint256 _untilBlock, string _reason);
modifier lockAffected {
require(block.number > lockedUntilBlock);
_;
}
function lockFromSelf(uint256 _untilBlock, string _reason) internal {
lockedUntilBlock = _untilBlock;
ContractLocked(_untilBlock, _reason);
}
function lockUntil(uint256 _untilBlock, string _reason) onlyOwner public {
lockedUntilBlock = _untilBlock;
ContractLocked(_untilBlock, _reason);
}
}
contract ERC20Token is ERC20TokenInterface, SafeMath, Owned, Lockable {
// Name of token
string public name;
// Abbreviation of tokens name
string public symbol;
// Number of decimals token has
uint8 public decimals;
// Maximum tokens that can be minted
uint256 public totalSupplyLimit;
// Current supply of tokens
uint256 supply = 0;
// Map of users balances
mapping (address => uint256) balances;
// Map of users allowances
mapping (address => mapping (address => uint256)) allowances;
// Event that shows that new tokens were created
event Mint(address indexed _to, uint256 _value);
// Event that shows that old tokens were destroyed
event Burn(address indexed _from, uint _value);
/**
* @dev Returns number of tokens in circulation
*
* @return total number od tokens
*/
function totalSupply() public constant returns (uint256) {
return supply;
}
/**
* @dev Returns the balance of specific account
*
* @param _owner The account that caller wants to querry
* @return the balance on this account
*/
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balances[_owner];
}
/**
* @dev User can transfer tokens with this method, method is disabled if emergencyLock is activated
*
* @param _to Reciever of tokens
* @param _value The amount of tokens that will be sent
* @return if successful returns true
*/
function transfer(address _to, uint256 _value) lockAffected public returns (bool success) {
require(_to != 0x0 && _to != address(this));
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev This is used to allow some account to utilise transferFrom and sends tokens on your behalf, this method is disabled if emergencyLock is activated
*
* @param _spender Who can send tokens on your behalf
* @param _value The amount of tokens that are allowed to be sent
* @return if successful returns true
*/
function approve(address _spender, uint256 _value) lockAffected public returns (bool success) {
allowances[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev This is used to send tokens and execute code on other smart contract, this method is disabled if emergencyLock is activated
*
* @param _spender Contract that is receiving tokens
* @param _value The amount that msg.sender is sending
* @param _extraData Additional params that can be used on reciving smart contract
* @return if successful returns true
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData) lockAffected public returns (bool success) {
tokenRecipientInterface spender = tokenRecipientInterface(_spender);
approve(_spender, _value);
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
/**
* @dev Sender can transfer tokens on others behalf, this method is disabled if emergencyLock is activated
*
* @param _from The account that will send tokens
* @param _to Account that will recive the tokens
* @param _value The amount that msg.sender is sending
* @return if successful returns true
*/
function transferFrom(address _from, address _to, uint256 _value) lockAffected public returns (bool success) {
require(_to != 0x0 && _to != address(this));
balances[_from] = safeSub(balanceOf(_from), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
allowances[_from][msg.sender] = safeSub(allowances[_from][msg.sender], _value);
Transfer(_from, _to, _value);
return true;
}
/**
* @dev Returns the amount od tokens that can be sent from this addres by spender
*
* @param _owner Account that has tokens
* @param _spender Account that can spend tokens
* @return remaining balance to spend
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowances[_owner][_spender];
}
/**
* @dev Creates new tokens as long as total supply does not reach limit
*
* @param _to Reciver od newly created tokens
* @param _amount Amount of tokens to be created;
*/
function mintTokens(address _to, uint256 _amount) onlyOwner public {
require(supply + _amount <= totalSupplyLimit);
supply = safeAdd(supply, _amount);
balances[_to] = safeAdd(balances[_to], _amount);
Mint(_to, _amount);
Transfer(0x0, _to, _amount);
}
/**
* @dev Destroys the amount of tokens and lowers total supply
*
* @param _amount Number of tokens user wants to destroy
*/
function burn(uint _amount) public {
balances[msg.sender] = safeSub(balanceOf(msg.sender), _amount);
supply = safeSub(supply, _amount);
Burn(msg.sender, _amount);
Transfer(msg.sender, 0x0, _amount);
}
/**
* @dev Saves exidentaly sent tokens to this contract, can be used only by owner
*
* @param _tokenAddress Address of tokens smart contract
* @param _to Where to send the tokens
* @param _amount The amount of tokens that we are salvaging
*/
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner public {
ERC20TokenInterface(_tokenAddress).transfer(_to, _amount);
}
/**
* @dev Disables the contract and wipes all the balances, can be used only by owner
*/
function killContract() public onlyOwner {
selfdestruct(owner);
}
}
contract B2BCoinContract is ERC20Token {
/**
* @dev Intialises token and all the necesary variable
*/
function B2BCoinContract() {
name = "B2BCoin";
symbol = "BBC";
decimals = 18;
totalSupplyLimit = 1000000000 * 10**18;
lockFromSelf(0, "Lock before crowdsale starts");
}
}
Read Contract
MAX_UINT256 0x33a581d2 → uint256
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
lockedUntilBlock 0xd8162db7 → uint256
name 0x06fdde03 → string
newOwner 0xd4ee1d90 → address
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
totalSupplyLimit 0xbac21a22 → uint256
Write Contract 11 functions
These functions modify contract state and require a wallet transaction to execute.
acceptOwnership 0x79ba5097
No parameters
approve 0x095ea7b3
address _spender
uint256 _value
returns: bool
approveAndCall 0xcae9ca51
address _spender
uint256 _value
bytes _extraData
returns: bool
burn 0x42966c68
uint256 _amount
killContract 0x1c02708d
No parameters
lockUntil 0xb26eafe4
uint256 _untilBlock
string _reason
mintTokens 0xf0dda65c
address _to
uint256 _amount
salvageTokensFromContract 0xa0929cda
address _tokenAddress
address _to
uint256 _amount
transfer 0xa9059cbb
address _to
uint256 _value
returns: bool
transferFrom 0x23b872dd
address _from
address _to
uint256 _value
returns: bool
transferOwnership 0xf2fde38b
address _newOwner
Recent Transactions
No transactions found for this address