ETH Price: $1,781.82 (-6.37%)
Gas: 0.806 Gwei

Transaction Decoder

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Transaction Hash:
0x422c5cd0f0071ce9f2b8f65bbdd29179e332ad0316c2231b23d1785271d5f6da
Block:
12533445 at May-30-2021 03:58:42 AM +UTC
Transaction Fee:
0.0028615489 ETH $5.10
Gas Used:
111,998 Gas / 25.55 Gwei

Emitted Events:

144 ZksToken.Transfer( from=[Sender] 0xcd102c969540da0b7f0894ce6b1bda419a93b91e, to=[Receiver] FixedLockStaking, value=3880193835760000000000 )
145 ZksToken.Approval( owner=[Sender] 0xcd102c969540da0b7f0894ce6b1bda419a93b91e, spender=[Receiver] FixedLockStaking, value=115792089237316195423570985008687907853269984665640564035577390172153129639935 )
146 FixedLockStaking.Staked( user=[Sender] 0xcd102c969540da0b7f0894ce6b1bda419a93b91e, amount=3880193835760000000000 )

Account State Difference:

  Address   Before After State Difference Code
0x5A0b54D5...D3E029c4c Miner
(Spark Pool)
74.895009247463224016 Eth74.897870796363224016 Eth0.0028615489
0xCd102c96...19A93b91E
0.14293365 Eth
Nonce: 2
0.1400721011 Eth
Nonce: 3
0.0028615489
0xe4815AE5...41Ed658c6
ZKS
0xEeD07F33...40f922F54
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Execution Trace

FixedLockStaking.stake( amount=3880193835760000000000 )
  • ZksToken.transferFrom( sender=0xCd102c969540DA0B7F0894CE6b1Bda419A93b91E, recipient=0xEeD07F33978bB5bE939C2a79251370740f922F54, amount=3880193835760000000000 ) => ( True )
    File 1 of 2: FixedLockStaking
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    pragma solidity ^0.5.16;
    import "@openzeppelin/contracts/math/Math.sol";
    import "@openzeppelin/contracts/math/SafeMath.sol";
    import "@openzeppelin/contracts/token/ERC20/ERC20Detailed.sol";
    import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
    import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
    // Inheritance
    import "./interfaces/IStakingRewards.sol";
    import "./RewardsDistributionRecipient.sol";
    import "./Pausable.sol";
    // https://docs.synthetix.io/contracts/source/contracts/stakingrewards
    contract FixedLockStaking is IStakingRewards, RewardsDistributionRecipient, ReentrancyGuard, Pausable {
        using SafeMath for uint256;
        using SafeERC20 for IERC20;
        /* ========== STATE VARIABLES ========== */
        IERC20 public rewardsToken;
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    File 2 of 2: ZksToken
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    // SPDX-License-Identifier: MIT
    pragma solidity ^0.6.0;
    /*
     * @dev Provides information about the current execution context, including the
     * sender of the transaction and its data. While these are generally available
     * via msg.sender and msg.data, they should not be accessed in such a direct
     * manner, since when dealing with GSN meta-transactions the account sending and
     * paying for execution may not be the actual sender (as far as an application
     * is concerned).
     *
     * This contract is only required for intermediate, library-like contracts.
     */
    abstract contract Context {
        function _msgSender() internal view virtual returns (address payable) {
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