Overview
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0 ETH
Eth Value
$0.00More Info
Private Name Tags
ContractCreator
Latest 25 from a total of 342 transactions
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Stake | 15373498 | 748 days ago | IN | 0 ETH | 0.00342246 | ||||
Transfer | 15316277 | 757 days ago | IN | 0.01542675 ETH | 0.00047355 | ||||
Stake | 14803935 | 840 days ago | IN | 0 ETH | 0.0020112 | ||||
Stake | 14704227 | 856 days ago | IN | 0 ETH | 0.00779427 | ||||
Stake | 14683312 | 860 days ago | IN | 0 ETH | 0.0073857 | ||||
Stake | 14683269 | 860 days ago | IN | 0 ETH | 0.00685931 | ||||
Stake | 14679202 | 860 days ago | IN | 0 ETH | 0.00907148 | ||||
Stake | 14677630 | 861 days ago | IN | 0 ETH | 0.00680031 | ||||
Stake | 14675321 | 861 days ago | IN | 0 ETH | 0.00914685 | ||||
Stake | 14666909 | 862 days ago | IN | 0 ETH | 0.02488603 | ||||
Stake | 14666790 | 862 days ago | IN | 0 ETH | 0.01540534 | ||||
Stake | 14665047 | 863 days ago | IN | 0 ETH | 0.01285086 | ||||
Stake | 14659650 | 863 days ago | IN | 0 ETH | 0.00923277 | ||||
Stake | 14657149 | 864 days ago | IN | 0 ETH | 0.01502891 | ||||
Stake | 14651364 | 865 days ago | IN | 0 ETH | 0.01555526 | ||||
Stake | 14650279 | 865 days ago | IN | 0 ETH | 0.01631498 | ||||
Stake | 14648716 | 865 days ago | IN | 0 ETH | 0.01412567 | ||||
Stake | 14648190 | 865 days ago | IN | 0 ETH | 0.01484239 | ||||
Stake | 14646234 | 866 days ago | IN | 0 ETH | 0.00775396 | ||||
Stake | 14643655 | 866 days ago | IN | 0 ETH | 0.00878676 | ||||
Stake | 14640090 | 866 days ago | IN | 0 ETH | 0.01062824 | ||||
Stake | 14638862 | 867 days ago | IN | 0 ETH | 0.01269034 | ||||
Stake | 14638655 | 867 days ago | IN | 0 ETH | 0.01105574 | ||||
Stake | 14633087 | 868 days ago | IN | 0 ETH | 0.0131509 | ||||
Stake | 14628030 | 868 days ago | IN | 0 ETH | 0.01593077 |
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Contract Name:
StakingHelper
Compiler Version
v0.7.5+commit.eb77ed08
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: AGPL-3.0-or-later pragma solidity 0.7.5; import "../libs/IERC20.sol"; import "../libs/interface/IStaking.sol"; contract StakingHelper { address public immutable staking; address public immutable Gaas; constructor ( address _staking, address _Gaas ) { require( _staking != address(0) ); staking = _staking; require( _Gaas != address(0) ); Gaas = _Gaas; } function stake( uint _amount) external { IERC20( Gaas ).transferFrom( msg.sender, address(this), _amount ); IERC20( Gaas ).approve( staking, _amount ); IStaking( staking ).stake( _amount, msg.sender ); IStaking( staking ).claim( msg.sender ); } }
// SPDX-License-Identifier: AGPL-3.0-or-later pragma solidity 0.7.5; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the decimals of token. */ function decimals() external view returns (uint8); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: 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 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: AGPL-3.0-or-later pragma solidity 0.7.5; interface IStaking { function stake( uint _amount, address _recipient ) external returns ( bool ); function claim( address _recipient ) external; function unstake( uint _amount, bool _trigger ) external; }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_staking","type":"address"},{"internalType":"address","name":"_Gaas","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"Gaas","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"staking","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000001bc1ba41156c4b2cf194d3006ba59bd142c2b55b000000000000000000000000b4dffa52fee44bd493f12d85829d775ec8017691
-----Decoded View---------------
Arg [0] : _staking (address): 0x1bc1ba41156c4b2Cf194D3006Ba59bD142c2b55b
Arg [1] : _Gaas (address): 0xB4dFfa52fEe44BD493f12D85829D775EC8017691
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000001bc1ba41156c4b2cf194d3006ba59bd142c2b55b
Arg [1] : 000000000000000000000000b4dffa52fee44bd493f12d85829d775ec8017691
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