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seperated flusher master

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This commit is contained in:
Sowmay Jain 2020-09-12 20:05:49 +10:00
parent c3a05c66d7
commit 52fbd8c0fc
2 changed files with 63 additions and 25 deletions
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86
contracts/deployer.sol
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@ -2,36 +2,38 @@
pragma solidity ^0.6.8; pragma solidity ^0.6.8;
contract Deployer { contract Controller {
event LogNewFlusher(address indexed owner, address indexed flusher, address indexed logic); event LogNewMaster(address indexed master);
event LogUpdateMaster(address indexed master);
event LogEnableConnector(address indexed connector); event LogEnableConnector(address indexed connector);
event LogDisableConnector(address indexed connector); event LogDisableConnector(address indexed connector);
mapping (address => address) public flushers; address private newMaster;
address public master;
mapping (address => bool) public connectors; mapping (address => bool) public connectors;
// deploy create2 + minimal proxy modifier isMaster() {
function deployLogic(address owner, address logic) public returns (address proxy) { require(msg.sender == master, "not-master");
require(!(isFlusherDeployed(getAddress(owner, logic))), "flusher-already-deployed"); _;
bytes32 salt = keccak256(abi.encodePacked(owner, proxy)); }
bytes20 targetBytes = bytes20(logic);
// solium-disable-next-line security/no-inline-assembly // change the master address
assembly { function changeMaster(address _newMaster) external isMaster {
let clone := mload(0x40) require(_newMaster != master, "already-a-master");
mstore( require(_newMaster != address(0), "not-valid-address");
clone, require(newMaster != _newMaster, "already-a-new-master");
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000 newMaster = _newMaster;
) emit LogNewMaster(_newMaster);
mstore(add(clone, 0x14), targetBytes) }
mstore(
add(clone, 0x28), // new master claiming master position
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000 function claimMaster() external {
) require(newMaster != address(0), "not-valid-address");
proxy := create2(0, clone, 0x37, salt) require(msg.sender == newMaster, "not-new-master");
} master = newMaster;
flushers[proxy] = owner; newMaster = address(0);
emit LogNewFlusher(owner, proxy, logic); emit LogUpdateMaster(master);
} }
// enable flusher connector // enable flusher connector
@ -60,6 +62,37 @@ contract Deployer {
} }
} }
}
contract Deployer is Controller {
event LogNewFlusher(address indexed owner, address indexed flusher, address indexed logic);
mapping (address => address) public flushers;
// deploy create2 + minimal proxy
function deployLogic(address owner, address logic) public returns (address proxy) {
require(!(isFlusherDeployed(getAddress(owner, logic))), "flusher-already-deployed");
bytes32 salt = keccak256(abi.encodePacked(owner, proxy));
bytes20 targetBytes = bytes20(logic);
// solium-disable-next-line security/no-inline-assembly
assembly {
let clone := mload(0x40)
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
mstore(add(clone, 0x14), targetBytes)
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
proxy := create2(0, clone, 0x37, salt)
}
flushers[proxy] = owner;
emit LogNewFlusher(owner, proxy, logic);
}
// is flusher deployed? // is flusher deployed?
function isFlusherDeployed(address _address) public view returns (bool) { function isFlusherDeployed(address _address) public view returns (bool) {
uint32 size; uint32 size;
@ -92,4 +125,9 @@ contract Deployer {
return abi.encodePacked(a, b, c); return abi.encodePacked(a, b, c);
} }
constructor(address _master) public {
master = _master;
emit LogUpdateMaster(master);
}
} }