Address Contract Partially Verified
Address
0xA3bAc15614d4e0e3b3A746B4591Cbb2C26907cac
Balance
0 ETH
Nonce
2
Code Size
8516 bytes
Creator
0x6E24eA87...b87a at tx 0x253acb7c...6c83f6
Indexed Transactions
0
Contract Bytecode
8516 bytes
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Verified Source Code Partial Match
Compiler: v0.4.16+commit.d7661dd9
Optimization: No
FiduciaToken.sol 357 lines
pragma solidity ^0.4.16;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public constant returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
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.
*/
function transfer(address _to, uint256 _value) public returns (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);
Transfer(msg.sender, _to, _value);
return true;
}
/**
* @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.
*/
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public constant 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);
}
/**
* @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
*/
contract StandardToken is ERC20, 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
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (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);
Transfer(_from, _to, _value);
return true;
}
/**
* @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.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
* @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.
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_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
*/
function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
assert(token.transfer(to, value));
}
function safeTransferFrom(ERC20 token, address from, address to, uint256 value) internal {
assert(token.transferFrom(from, to, value));
}
function safeApprove(ERC20 token, address spender, uint256 value) internal {
assert(token.approve(spender, value));
}
}
contract TokenTimelock {
using SafeERC20 for ERC20Basic;
// ERC20 basic token contract being held
ERC20Basic public token;
// beneficiary of tokens after they are released
address public beneficiary;
// timestamp when token release is enabled
uint64 public releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint64 _releaseTime) public {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @notice Transfers tokens held by timelock to beneficiary.
*/
function release() public {
require(now >= releaseTime);
uint256 amount = token.balanceOf(this);
require(amount > 0);
token.safeTransfer(beneficiary, amount);
}
}
contract FiduciaToken is StandardToken {
string public constant name = "Fiducia";
string public constant symbol = "FDO";
uint256 public constant decimals = 18;
/// The owner of this address manages the token sale process.
address public owner;
/// The owner of this address will manage the sale process.
address public saleTeamAddress;
// this is the address of the timelock contract for the team tokens
address public timelockContractAddress;
uint64 contractCreatedDatetime;
bool public tokenSaleClosed = false;
/// Minimum amount of tokens to be sold for the sale to succeed.
uint256 public constant GOAL = 20 * 5000 * 10**decimals;
/// Maximum tokens to be allocated.
uint256 public constant TOKENS_HARD_CAP = 2 * 100000 * 5000 * 10**decimals;
/// Maximum amount of tokens to be sold for the sale to succeed.
uint256 public constant TOKENS_SALE_HARD_CAP = 60000 * 5000 * 10**decimals;
/// Issue event index starting from 0.
uint256 public issueIndex = 0;
/// Emitted for each successful token purchase.
event Issue(uint _issueIndex, address addr, uint tokenAmount);
event SaleSucceeded();
event SaleFailed();
modifier onlyOwner {
assert(msg.sender == owner);
_;
}
modifier onlyTeam {
assert(msg.sender == saleTeamAddress || msg.sender == owner);
_;
}
modifier inProgress {
assert(!saleHardCapReached() && !tokenSaleClosed);
_;
}
modifier beforeEnd {
assert(!tokenSaleClosed);
_;
}
function FiduciaToken(address _saleTeamAddress) public {
require(_saleTeamAddress != address(0));
owner = msg.sender;
saleTeamAddress = _saleTeamAddress;
contractCreatedDatetime = uint64(block.timestamp);
}
function close(uint256 _fiduciaTeamTokens) public onlyOwner beforeEnd {
if (totalSupply < GOAL) {
SaleFailed();
} else {
SaleSucceeded();
}
// compute without actually increasing it
uint256 increasedTotalSupply = totalSupply.add(_fiduciaTeamTokens);
// roll back if hard cap reached
if(increasedTotalSupply > TOKENS_HARD_CAP) {
revert();
}
// increase token total supply
totalSupply = increasedTotalSupply;
// locked for 2 days after the contract creation
TokenTimelock lockedTeamTokens = new TokenTimelock(this, owner, contractCreatedDatetime + (60 * 60 * 24 * 2));
// or 10 days from this moment of the close() call
// TokenTimelock lockedTeamTokens = new TokenTimelock(this, owner, now + (60 * 60 * 24 * 10));
timelockContractAddress = address(lockedTeamTokens);
//update the investors balance to number of tokens sent
balances[timelockContractAddress] = balances[timelockContractAddress].add(_fiduciaTeamTokens);
//event is fired when tokens issued
Issue(
issueIndex++,
timelockContractAddress,
_fiduciaTeamTokens
);
tokenSaleClosed = true;
}
function issueTokens(address _investor, uint256 _tokensAmount) public onlyTeam inProgress {
require(_investor != address(0));
// compute without actually increasing it
uint256 increasedTotalSupply = totalSupply.add(_tokensAmount);
// roll back if hard cap reached
if(increasedTotalSupply > TOKENS_SALE_HARD_CAP) {
revert();
}
//increase token total supply
totalSupply = increasedTotalSupply;
//update the investors balance to number of tokens sent
balances[_investor] = balances[_investor].add(_tokensAmount);
//event is fired when tokens issued
Issue(
issueIndex++,
_investor,
_tokensAmount
);
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
/// @return true if the hard cap is reached.
function saleHardCapReached() public view returns (bool) {
return totalSupply >= TOKENS_SALE_HARD_CAP;
}
}
Read Contract
GOAL 0xa1bed0be → uint256
TOKENS_HARD_CAP 0x831a1754 → uint256
TOKENS_SALE_HARD_CAP 0xf946372c → uint256
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint256
issueIndex 0x6a28f828 → uint256
name 0x06fdde03 → string
owner 0x8da5cb5b → address
saleHardCapReached 0x476aa607 → bool
saleTeamAddress 0xadcd2632 → address
symbol 0x95d89b41 → string
timelockContractAddress 0x7fc88fe2 → address
tokenSaleClosed 0xe55a07c2 → bool
totalSupply 0x18160ddd → uint256
Write Contract 7 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address _spender
uint256 _value
returns: bool
close 0x0aebeb4e
uint256 _fiduciaTeamTokens
decreaseApproval 0x66188463
address _spender
uint256 _subtractedValue
returns: bool
increaseApproval 0xd73dd623
address _spender
uint256 _addedValue
returns: bool
issueTokens 0x475a9fa9
address _investor
uint256 _tokensAmount
transfer 0xa9059cbb
address _to
uint256 _value
returns: bool
transferFrom 0x23b872dd
address _from
address _to
uint256 _value
returns: bool
Recent Transactions
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