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Latest 25 from a total of 8,167 transactions
Transaction Hash |
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Stake | 21548929 | 38 days ago | IN | 0 ETH | 0.00019175 | ||||
Stake | 21463136 | 50 days ago | IN | 0 ETH | 0.00248858 | ||||
Stake | 21328792 | 68 days ago | IN | 0 ETH | 0.00704853 | ||||
Stake | 20558659 | 176 days ago | IN | 0 ETH | 0.00047509 | ||||
Stake | 20408520 | 197 days ago | IN | 0 ETH | 0.00026664 | ||||
Stake | 20342258 | 206 days ago | IN | 0 ETH | 0.00299092 | ||||
Stake | 20251552 | 219 days ago | IN | 0 ETH | 0.00129008 | ||||
Stake | 20212023 | 224 days ago | IN | 0 ETH | 0.00415412 | ||||
Stake | 20149814 | 233 days ago | IN | 0 ETH | 0.00067392 | ||||
Stake | 20127462 | 236 days ago | IN | 0 ETH | 0.00733784 | ||||
Stake | 20050722 | 247 days ago | IN | 0 ETH | 0.00167865 | ||||
Stake | 20022700 | 251 days ago | IN | 0 ETH | 0.00343224 | ||||
Stake | 20006589 | 253 days ago | IN | 0 ETH | 0.00799049 | ||||
Stake | 20006512 | 253 days ago | IN | 0 ETH | 0.00701815 | ||||
Stake | 19990836 | 255 days ago | IN | 0 ETH | 0.00918565 | ||||
Stake | 19978262 | 257 days ago | IN | 0 ETH | 0.00379003 | ||||
Stake | 19972298 | 258 days ago | IN | 0 ETH | 0.00031509 | ||||
Stake | 19972298 | 258 days ago | IN | 0 ETH | 0.00342851 | ||||
Stake | 19967325 | 259 days ago | IN | 0 ETH | 0.00867673 | ||||
Stake | 19955933 | 260 days ago | IN | 0 ETH | 0.00163455 | ||||
Stake | 19955308 | 260 days ago | IN | 0 ETH | 0.00263402 | ||||
Stake | 19950366 | 261 days ago | IN | 0 ETH | 0.00071436 | ||||
Stake | 19950361 | 261 days ago | IN | 0 ETH | 0.00128679 | ||||
Stake | 19950336 | 261 days ago | IN | 0 ETH | 0.00133675 | ||||
Stake | 19943270 | 262 days ago | IN | 0 ETH | 0.00079737 |
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Contract Source Code Verified (Exact Match)
Contract Name:
StakingHelper
Compiler Version
v0.7.5+commit.eb77ed08
Optimization Enabled:
Yes with 200 runs
Other Settings:
istanbul EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: AGPL-3.0-or-later pragma solidity 0.7.5; import "./lib/IERC20.sol"; import "./lib/IStaking.sol"; contract StakingHelper { address public immutable staking; address public immutable Sync; constructor(address _staking, address _Sync) { require(_staking != address(0)); staking = _staking; require(_Sync != address(0)); Sync = _Sync; } function stake(uint _amount, address recipient) external { IERC20(Sync).transferFrom(msg.sender, address(this), _amount); IERC20(Sync).approve(staking, _amount); IStaking(staking).stake(_amount, recipient); IStaking(staking).claim(recipient); } }
// SPDX-License-Identifier: AGPL-3.0-or-later pragma solidity 0.7.5; interface IERC20 { 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; struct Epoch { uint number; uint distribute; uint32 length; uint32 endTime; } function setEpochDistribution(uint _amount) external; }
{ "remappings": [ "ds-test/=lib/forge-std/lib/ds-test/src/", "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/", "forge-std/=lib/forge-std/src/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "openzeppelin/=lib/openzeppelin-contracts/contracts/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs" }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "istanbul", "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_staking","type":"address"},{"internalType":"address","name":"_Sync","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"Sync","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"}],"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)
000000000000000000000000c738cdb5140d6b7f688ba05a25c8a51568622d96000000000000000000000000a41d2f8ee4f47d3b860a149765a7df8c3287b7f0
-----Decoded View---------------
Arg [0] : _staking (address): 0xc738CDb5140d6b7F688ba05a25c8a51568622D96
Arg [1] : _Sync (address): 0xa41d2f8Ee4F47D3B860A149765A7dF8c3287b7F0
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c738cdb5140d6b7f688ba05a25c8a51568622d96
Arg [1] : 000000000000000000000000a41d2f8ee4f47d3b860a149765a7df8c3287b7f0
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