okota/solidity/RegistryAddressDeclarator.sol

154 lines
4.2 KiB
Solidity
Raw Permalink Normal View History

2021-10-06 12:18:00 +02:00
pragma solidity >0.6.11;
// Author: Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
// SPDX-License-Identifier: GPL-3.0-or-later
// File-version: 2
// Description: Top-level smart contract registry for the CIC network
contract ContractRegistryAddressDeclarator {
// Implements EIP 173
address public owner;
address public addressDeclarator;
bytes32[] public identifiers;
mapping (bytes32 => address) entries; // contractidentifier -> address
mapping (bytes32 => bytes32) chainIdentifiers; // contractidentifier -> chainidentifier
mapping (bytes32 => bytes32) chainConfigs; // chainidentifier -> chainconfig
constructor(address _addressDeclarator, bytes32[] memory _identifiers) public {
owner = msg.sender;
for (uint i = 0; i < _identifiers.length; i++) {
identifiers.push(_identifiers[i]);
}
addressDeclarator = _addressDeclarator;
}
function set(bytes32 _identifier, address _address) public returns (bool) { //, bytes32 _chainDescriptor, bytes32 _chainConfig) public returns (bool) {
2021-10-06 12:18:00 +02:00
require(msg.sender == owner);
require(entries[_identifier] == address(0));
bool ok;
bytes memory r;
bool found = false;
bytes32 identifierHash;
bytes memory buf;
uint8 i;
for (i = 0; i < identifiers.length; i++) {
if (identifiers[i] == _identifier) {
found = true;
}
}
require(found, 'ERR_IDENTIFIER');
buf = new bytes(32);
for (i = 0; i < 32; i++) {
buf[i] = _identifier[i];
}
identifierHash = sha256(buf);
(ok, r) = addressDeclarator.call(abi.encodeWithSignature("addDeclaration(address,bytes32)", _address, identifierHash));
require(ok);
require(r[31] == 0x01);
entries[_identifier] = _address;
///chainIdentifiers[_identifier] = _chainDescriptor;
//chainConfigs[_chainDescriptor] = _chainConfig;
2021-10-06 12:18:00 +02:00
return true;
}
// function set(bytes32 _identifier, address _address, bytes32 _chainDescriptor, bytes32 _chainConfig) public returns (bool) {
// require(msg.sender == owner);
// require(entries[_identifier] == address(0));
//
// bool ok;
// bytes memory r;
// bool found = false;
// bytes32 identifierHash;
// bytes memory buf;
// uint8 i;
//
// for (i = 0; i < identifiers.length; i++) {
// if (identifiers[i] == _identifier) {
// found = true;
// }
// }
// require(found, 'ERR_IDENTIFIER');
//
// buf = new bytes(32);
// for (i = 0; i < 32; i++) {
// buf[i] = _identifier[i];
// }
// identifierHash = sha256(buf);
// (ok, r) = addressDeclarator.call(abi.encodeWithSignature("addDeclaration(address,bytes32)", _address, identifierHash));
// require(ok);
// require(r[31] == 0x01);
//
// buf = new bytes(64);
// for (i = 0; i < 32; i++) {
// buf[i] = identifierHash[i];
// }
// for (i = 0; i < 32; i++) {
// buf[i+32] = _chainDescriptor[i];
// }
//
// identifierHash = sha256(buf);
// (ok, r) = addressDeclarator.call(abi.encodeWithSignature("addDeclaration(address,bytes32)", _address, identifierHash));
// require(ok);
// require(r[31] == 0x01);
//
//
// for (i = 0; i < 32; i++) {
// buf[i] = identifierHash[i];
// }
// for (i = 0; i < 32; i++) {
// buf[i+32] = _chainConfig[i];
// }
// identifierHash = sha256(buf);
// (ok, r) = addressDeclarator.call(abi.encodeWithSignature("addDeclaration(address,bytes32)", _address, identifierHash));
// require(ok);
// require(r[31] == 0x01);
//
// entries[_identifier] = _address;
// chainIdentifiers[_identifier] = _chainDescriptor;
// chainConfigs[_chainDescriptor] = _chainConfig;
//
// return true;
// }
//
2021-10-06 12:18:00 +02:00
// Implements EIP 173
function transferOwnership(address _newOwner) public returns (bool) {
require(msg.sender == owner);
owner = _newOwner;
return true;
}
// Implements Registry
function addressOf(bytes32 _identifier) public view returns (address) {
return entries[_identifier];
}
function chainOf(bytes32 _identifier) public view returns (bytes32) {
return chainIdentifiers[_identifier];
}
function configSumOf(bytes32 _chain) public view returns (bytes32) {
return chainConfigs[_chain];
}
// Implements EIP 165
function supportsInterface(bytes4 _sum) public pure returns (bool) {
if (_sum == 0xbb34534c) { // Registry
return true;
}
if (_sum == 0x01ffc9a7) { // EIP165
return true;
}
if (_sum == 0x9493f8b2) { // EIP173
return true;
}
return false;
}
}