Transaction Hash:
Block:
7032128 at Jan-08-2019 04:14:32 PM +UTC
Transaction Fee:
0.00015192 ETH
$0.28
Gas Used:
37,980 Gas / 4 Gwei
Emitted Events:
77 |
ECHARGE.Transfer( from=[Sender] 0x8878fba688bb830a87c386f4c07d8829eb2a55ed, to=[Receiver] EtherDelta, value=10000000000000000000 )
|
78 |
EtherDelta.Deposit( token=ECHARGE, user=[Sender] 0x8878fba688bb830a87c386f4c07d8829eb2a55ed, amount=10000000000000000000, balance=10000000000000000000 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x3FBd598a...5b14c3D41 | |||||
0x8878FBA6...9eB2A55ed |
0.01515711799996 Eth
Nonce: 77
|
0.01500519799996 Eth
Nonce: 78
| 0.00015192 | ||
0x8d12A197...2A5CC6819 | (EtherDelta 2) | ||||
0xEEa5B82B...2d0D25Bfb
Miner
| (BTC.com Pool) | 184.116258511877203358 Eth | 184.116410431877203358 Eth | 0.00015192 |
Execution Trace
EtherDelta.depositToken( token=0x3FBd598a07702cED544CcC2C9fD3dae5b14c3D41, amount=10000000000000000000 )
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ECHARGE.transferFrom( _from=0x8878FBA688BB830A87C386F4C07D8829eB2A55ed, _to=0x8d12A197cB00D4747a1fe03395095ce2A5CC6819, _value=10000000000000000000 ) => ( True )
depositToken[EtherDelta (ln:226)]
transferFrom[EtherDelta (ln:229)]
safeAdd[EtherDelta (ln:230)]
Deposit[EtherDelta (ln:231)]
File 1 of 2: EtherDelta
File 2 of 2: ECHARGE
pragma solidity ^0.4.9; contract SafeMath { function safeMul(uint a, uint b) internal returns (uint) { uint c = a * b; assert(a == 0 || c / a == b); return c; } function safeSub(uint a, uint b) internal returns (uint) { assert(b <= a); return a - b; } function safeAdd(uint a, uint b) internal returns (uint) { uint c = a + b; assert(c>=a && c>=b); return c; } function assert(bool assertion) internal { if (!assertion) throw; } } contract Token { /// @return total amount of tokens function totalSupply() constant returns (uint256 supply) {} /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance) {} /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) returns (bool success) {} /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {} /// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) returns (bool success) {} /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining) {} event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); uint public decimals; string public name; } contract StandardToken is Token { function transfer(address _to, uint256 _value) returns (bool success) { //Default assumes totalSupply can't be over max (2^256 - 1). //If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap. //Replace the if with this one instead. if (balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]) { //if (balances[msg.sender] >= _value && _value > 0) { balances[msg.sender] -= _value; balances[_to] += _value; Transfer(msg.sender, _to, _value); return true; } else { return false; } } function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { //same as above. Replace this line with the following if you want to protect against wrapping uints. if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]) { //if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) { balances[_to] += _value; balances[_from] -= _value; allowed[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } else { return false; } } function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } function approve(address _spender, uint256 _value) returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } mapping(address => uint256) balances; mapping (address => mapping (address => uint256)) allowed; uint256 public totalSupply; } contract ReserveToken is StandardToken, SafeMath { address public minter; function ReserveToken() { minter = msg.sender; } function create(address account, uint amount) { if (msg.sender != minter) throw; balances[account] = safeAdd(balances[account], amount); totalSupply = safeAdd(totalSupply, amount); } function destroy(address account, uint amount) { if (msg.sender != minter) throw; if (balances[account] < amount) throw; balances[account] = safeSub(balances[account], amount); totalSupply = safeSub(totalSupply, amount); } } contract AccountLevels { //given a user, returns an account level //0 = regular user (pays take fee and make fee) //1 = market maker silver (pays take fee, no make fee, gets rebate) //2 = market maker gold (pays take fee, no make fee, gets entire counterparty's take fee as rebate) function accountLevel(address user) constant returns(uint) {} } contract AccountLevelsTest is AccountLevels { mapping (address => uint) public accountLevels; function setAccountLevel(address user, uint level) { accountLevels[user] = level; } function accountLevel(address user) constant returns(uint) { return accountLevels[user]; } } contract EtherDelta is SafeMath { address public admin; //the admin address address public feeAccount; //the account that will receive fees address public accountLevelsAddr; //the address of the AccountLevels contract uint public feeMake; //percentage times (1 ether) uint public feeTake; //percentage times (1 ether) uint public feeRebate; //percentage times (1 ether) mapping (address => mapping (address => uint)) public tokens; //mapping of token addresses to mapping of account balances (token=0 means Ether) mapping (address => mapping (bytes32 => bool)) public orders; //mapping of user accounts to mapping of order hashes to booleans (true = submitted by user, equivalent to offchain signature) mapping (address => mapping (bytes32 => uint)) public orderFills; //mapping of user accounts to mapping of order hashes to uints (amount of order that has been filled) event Order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user); event Cancel(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s); event Trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address get, address give); event Deposit(address token, address user, uint amount, uint balance); event Withdraw(address token, address user, uint amount, uint balance); function EtherDelta(address admin_, address feeAccount_, address accountLevelsAddr_, uint feeMake_, uint feeTake_, uint feeRebate_) { admin = admin_; feeAccount = feeAccount_; accountLevelsAddr = accountLevelsAddr_; feeMake = feeMake_; feeTake = feeTake_; feeRebate = feeRebate_; } function() { throw; } function changeAdmin(address admin_) { if (msg.sender != admin) throw; admin = admin_; } function changeAccountLevelsAddr(address accountLevelsAddr_) { if (msg.sender != admin) throw; accountLevelsAddr = accountLevelsAddr_; } function changeFeeAccount(address feeAccount_) { if (msg.sender != admin) throw; feeAccount = feeAccount_; } function changeFeeMake(uint feeMake_) { if (msg.sender != admin) throw; if (feeMake_ > feeMake) throw; feeMake = feeMake_; } function changeFeeTake(uint feeTake_) { if (msg.sender != admin) throw; if (feeTake_ > feeTake || feeTake_ < feeRebate) throw; feeTake = feeTake_; } function changeFeeRebate(uint feeRebate_) { if (msg.sender != admin) throw; if (feeRebate_ < feeRebate || feeRebate_ > feeTake) throw; feeRebate = feeRebate_; } function deposit() payable { tokens[0][msg.sender] = safeAdd(tokens[0][msg.sender], msg.value); Deposit(0, msg.sender, msg.value, tokens[0][msg.sender]); } function withdraw(uint amount) { if (tokens[0][msg.sender] < amount) throw; tokens[0][msg.sender] = safeSub(tokens[0][msg.sender], amount); if (!msg.sender.call.value(amount)()) throw; Withdraw(0, msg.sender, amount, tokens[0][msg.sender]); } function depositToken(address token, uint amount) { //remember to call Token(address).approve(this, amount) or this contract will not be able to do the transfer on your behalf. if (token==0) throw; if (!Token(token).transferFrom(msg.sender, this, amount)) throw; tokens[token][msg.sender] = safeAdd(tokens[token][msg.sender], amount); Deposit(token, msg.sender, amount, tokens[token][msg.sender]); } function withdrawToken(address token, uint amount) { if (token==0) throw; if (tokens[token][msg.sender] < amount) throw; tokens[token][msg.sender] = safeSub(tokens[token][msg.sender], amount); if (!Token(token).transfer(msg.sender, amount)) throw; Withdraw(token, msg.sender, amount, tokens[token][msg.sender]); } function balanceOf(address token, address user) constant returns (uint) { return tokens[token][user]; } function order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce) { bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce); orders[msg.sender][hash] = true; Order(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender); } function trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount) { //amount is in amountGet terms bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce); if (!( (orders[user][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == user) && block.number <= expires && safeAdd(orderFills[user][hash], amount) <= amountGet )) throw; tradeBalances(tokenGet, amountGet, tokenGive, amountGive, user, amount); orderFills[user][hash] = safeAdd(orderFills[user][hash], amount); Trade(tokenGet, amount, tokenGive, amountGive * amount / amountGet, user, msg.sender); } function tradeBalances(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address user, uint amount) private { uint feeMakeXfer = safeMul(amount, feeMake) / (1 ether); uint feeTakeXfer = safeMul(amount, feeTake) / (1 ether); uint feeRebateXfer = 0; if (accountLevelsAddr != 0x0) { uint accountLevel = AccountLevels(accountLevelsAddr).accountLevel(user); if (accountLevel==1) feeRebateXfer = safeMul(amount, feeRebate) / (1 ether); if (accountLevel==2) feeRebateXfer = feeTakeXfer; } tokens[tokenGet][msg.sender] = safeSub(tokens[tokenGet][msg.sender], safeAdd(amount, feeTakeXfer)); tokens[tokenGet][user] = safeAdd(tokens[tokenGet][user], safeSub(safeAdd(amount, feeRebateXfer), feeMakeXfer)); tokens[tokenGet][feeAccount] = safeAdd(tokens[tokenGet][feeAccount], safeSub(safeAdd(feeMakeXfer, feeTakeXfer), feeRebateXfer)); tokens[tokenGive][user] = safeSub(tokens[tokenGive][user], safeMul(amountGive, amount) / amountGet); tokens[tokenGive][msg.sender] = safeAdd(tokens[tokenGive][msg.sender], safeMul(amountGive, amount) / amountGet); } function testTrade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount, address sender) constant returns(bool) { if (!( tokens[tokenGet][sender] >= amount && availableVolume(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, user, v, r, s) >= amount )) return false; return true; } function availableVolume(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) constant returns(uint) { bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce); if (!( (orders[user][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == user) && block.number <= expires )) return 0; uint available1 = safeSub(amountGet, orderFills[user][hash]); uint available2 = safeMul(tokens[tokenGive][user], amountGet) / amountGive; if (available1<available2) return available1; return available2; } function amountFilled(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) constant returns(uint) { bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce); return orderFills[user][hash]; } function cancelOrder(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, uint8 v, bytes32 r, bytes32 s) { bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce); if (!(orders[msg.sender][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == msg.sender)) throw; orderFills[msg.sender][hash] = amountGet; Cancel(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender, v, r, s); } }
File 2 of 2: ECHARGE
pragma solidity ^0.4.13; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal pure 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 pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure 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 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 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 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 Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { 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; } } contract InvestorsFeature is Ownable, StandardToken { using SafeMath for uint; address[] public investors; mapping(address => bool) isInvestor; function deposit(address investor, uint) internal { if(isInvestor[investor] == false) { investors.push(investor); isInvestor[investor] = true; } } function sendp(address addr, uint amount) internal { require(addr != address(0)); require(amount > 0); deposit(addr, amount); // SafeMath.sub will throw if there is not enough balance. balances[this] = balances[this].sub(amount); balances[addr] = balances[addr].add(amount); Transfer(this, addr, amount); } } contract ECHARGE is Ownable, StandardToken, InvestorsFeature { string public constant name = "ECHARGE"; string public constant symbol = "ECHG"; uint8 public constant decimals = 18; uint256 public constant INITIAL_SUPPLY = (2000 * (10**6)) * (10 ** uint256(decimals)); function ECHARGE() public { totalSupply = INITIAL_SUPPLY; balances[this] = INITIAL_SUPPLY; Transfer(address(0), this, INITIAL_SUPPLY); } function send(address addr, uint amount) public onlyOwner { sendp(addr, amount); } function moneyBack(address addr) public onlyOwner { require(addr != 0x0); addr.transfer(this.balance); } function burnRemainder(uint) public onlyOwner { uint value = balances[this]; totalSupply = totalSupply.sub(value); balances[this] = 0; } }