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Minimal Proxy Contract for 0xf7e218aea7bef6308ffa0892c298898afd10b31b
Contract Name:
StakeAllAccountV2
Compiler Version
v0.7.6+commit.7338295f
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.7.6; interface AccountImplementations { function getImplementation(bytes4 _sig) external view returns (address); } /** * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM * instruction `delegatecall`. */ contract StakeAllAccountV2 { AccountImplementations public immutable implementations; constructor(address _implementations) { implementations = AccountImplementations(_implementations); } /** * @dev Delegates the current call to `implementation`. * * This function does not return to its internall call site, it will return directly to the external caller. */ function _delegate(address implementation) internal { // solhint-disable-next-line no-inline-assembly assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall( gas(), implementation, 0, calldatasize(), 0, 0 ) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev Delegates the current call to the address returned by Implementations registry. * * This function does not return to its internall call site, it will return directly to the external caller. */ function _fallback(bytes4 _sig) internal { address _implementation = implementations.getImplementation(_sig); require( _implementation != address(0), "StakeAllAccountV2: Not able to find _implementation" ); _delegate(_implementation); } /** * @dev Fallback function that delegates calls to the address returned by Implementations registry. */ fallback() external payable { _fallback(msg.sig); } /** * @dev Fallback function that delegates calls to the address returned by Implementations registry. */ receive() external payable { if (msg.sig != 0x00000000) { _fallback(msg.sig); } } }
{ "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
[{"inputs":[{"internalType":"address","name":"_implementations","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementations","outputs":[{"internalType":"contract AccountImplementations","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
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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.