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Metadatos del Contrato
Compilador
0.4.25+commit.59dbf8f1
Idioma
Solidity
Código Fuente del Contrato
Archivo 1 de 8: BasicToken.sol
pragmasolidity ^0.4.18;import'./ERC20Basic.sol';
import'./SafeMath.sol';
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/contractBasicTokenisERC20Basic{
usingSafeMathforuint256;
mapping(address=>uint256) balances;
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/functiontransfer(address _to, uint256 _value) publicreturns (bool) {
require(_to !=address(0));
require(_value <= balances[msg.sender]);
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
returntrue;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/functionbalanceOf(address _owner) publicviewreturns (uint256 balance) {
return balances[_owner];
}
}
Código Fuente del Contrato
Archivo 2 de 8: BurnableToken.sol
pragmasolidity ^0.4.18;import'./BasicToken.sol';
/**
* @title Burnable Token
* @dev Token that can be irreversibly burned (destroyed).
*/contractBurnableTokenisBasicToken{
eventBurn(addressindexed burner, uint256 value);
/**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/functionburn(uint256 _value) public{
require(_value <= balances[msg.sender]);
// no need to require value <= totalSupply, since that would imply the// sender's balance is greater than the totalSupply, which *should* be an assertion failureaddress burner =msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply = totalSupply.sub(_value);
emit Burn(burner, _value);
}
}
Código Fuente del Contrato
Archivo 3 de 8: CorionXToken.sol
pragmasolidity ^0.4.17;import'./StandardToken.sol';
import'./BurnableToken.sol';
import'./Ownable.sol';
/**
* @title CorionXToken
* @dev ERC20 token for the CorionX
* @dev developed by: c-labs Team
*/contractCorionXTokenisStandardToken, Ownable{
stringpublic name ='CorionX utility token';
stringpublic symbol ='CORX';
uint8public decimals =8;
uintpublic INITIAL_SUPPLY =40000000000000000;
/**
* @dev Constructor, initialising the suppy and the owner account
*/constructor() public{
totalSupply = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
}
/**
* @dev kill function
* ONLY DEV, DELETE AT PROD !!!!
*/functionkill() onlyOwnerpublic{
selfdestruct(owner);
}
}
pragmasolidity ^0.4.18;/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/contractERC20Basic{
uint256public totalSupply;
functionbalanceOf(address who) publicviewreturns (uint256);
functiontransfer(address to, uint256 value) publicreturns (bool);
eventTransfer(addressindexedfrom, addressindexed to, uint256 value);
}
Código Fuente del Contrato
Archivo 6 de 8: Ownable.sol
pragmasolidity ^0.4.18;/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/contractOwnable{
addresspublic owner;
eventOwnershipTransferred(addressindexed previousOwner, addressindexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/constructor() public{
owner =msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/modifieronlyOwner() {
require(msg.sender== owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
*/
}
Código Fuente del Contrato
Archivo 7 de 8: SafeMath.sol
pragmasolidity ^0.4.18;/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/librarySafeMath{
functionmul(uint256 a, uint256 b) internalpurereturns (uint256) {
if (a ==0) {
return0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
functiondiv(uint256 a, uint256 b) internalpurereturns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't holdreturn c;
}
functionsub(uint256 a, uint256 b) internalpurereturns (uint256) {
assert(b <= a);
return a - b;
}
functionadd(uint256 a, uint256 b) internalpurereturns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
Código Fuente del Contrato
Archivo 8 de 8: StandardToken.sol
pragmasolidity ^0.4.18;import'./BasicToken.sol';
import'./ERC20.sol';
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/contractStandardTokenisERC20, BasicToken{
mapping (address=>mapping (address=>uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/functiontransferFrom(address _from, address _to, uint256 _value) publicreturns (bool) {
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);
returntrue;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/functionapprove(address _spender, uint256 _value) publicreturns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
returntrue;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/functionallowance(address _owner, address _spender) publicviewreturns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/functionincreaseApproval(address _spender, uint _addedValue) publicreturns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
returntrue;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/functiondecreaseApproval(address _spender, uint _subtractedValue) publicreturns (bool) {
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]);
returntrue;
}
}