erigon-pulse/core/state/contracts/revive.sol
2020-04-29 11:51:07 +01:00

25 lines
1.1 KiB
Solidity

pragma solidity >=0.5.0;
// solc --allow-paths ., --abi --bin --overwrite --optimize -o core/state/contracts/build core/state/contracts/revive.sol
// ./build/bin/abigen -abi core/state/contracts/build/Revive.abi -bin core/state/contracts/build/Revive.bin -pkg contracts -type revive -out core/state/contracts/gen_revive.go
contract Revive {
constructor() public {
}
event DeployEvent (address d);
/* Deploys self-destructing contract with given salt and emits DeployEvent with the address of the created contract */
function deploy(uint256 salt) public {
// PUSH1 0x42; NUMBER; SSTORE; PUSH1 0x30; PUSH1 0; MSTORE8; PUSH1 0xff; PUSH1 1; MSTORE8; PUSH1 2; PUSH1 0; RETURN;
// Stores constant 0x42 in the storage position equal to the current block number, then returns code 30ff, which is
// ADDRESS; SELFDESTRUCT
bytes memory init_code = hex"60424355603060005360ff60015360026000f3";
address payable d;
assembly{
d := create2(0, add(init_code, 32), mload(init_code), salt)
}
emit DeployEvent(d);
}
}