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111 lines
3.4 KiB
Solidity

pragma solidity ^0.8.0;
import "./storage/IStorageLayer.sol";
import "./RepositoryAccess.sol";
contract Repository is RepositoryAccess{
struct refInfo {
bytes20 hash;
uint96 index;
}
struct refData {
bytes20 hash;
bytes name;
}
bytes repositoryName;
address creator;
address[] public contributorList;
mapping(bytes => refInfo) public branchToRefInfo; // dev => {hash: 0x1234..., index: 1 }
bytes[] public branchs; // 有几条branch,就有几个reference
IStorageLayer public storageManager;
bytes32 constant public ETHSTORAGEID_LAYER = bytes32(keccak256("ETHSTORAGE"));
bytes32 constant public NFTSTORAGE_LAYER = bytes32(keccak256("NFTSTORAGE"));
constructor(bytes memory repoName){
creator = msg.sender;
repositoryName = repoName;
}
modifier onlyCreator() {
require(address(storageManager) == msg.sender, "only creator");
_;
}
function listBranchs() external view returns (refData[] memory list) {
list = new refData[](branchs.length);
for (uint index = 0; index < branchs.length; index++) {
list[index] = _convertToRefData(
branchToRefInfo[branchs[index]]
);
}
}
function createBranch(bytes memory branch,bytes20 refHash) public onlyCreator {
bytes memory fullname = bytes.concat(repositoryName,"/",branch);
require(refHash!=bytes20(0),"reference hash don't allow to set 0x0" );
require(branchToRefInfo[fullname].hash == bytes20(0),"branch already exists");
branchToRefInfo[fullname].hash = refHash;
branchToRefInfo[fullname].index = uint96(branchs.length);
branchs.push(fullname);
// add branch owner
this.addBranchOperator(fullname,msg.sender);
}
function updateBranch(
bytes memory branch,
bytes20 refHash
)external onlyBranchOperator(branch){
bytes memory fullname = bytes.concat(repositoryName,"/",branch);
require(refHash!=bytes20(0),"reference hash don't allow to set 0x0" );
require(branchToRefInfo[fullname].hash != bytes20(0),"branch do not exist");
branchToRefInfo[fullname].hash = refHash;
}
function removeBranch(
bytes memory branch
) external {
bytes memory fullname = bytes.concat(repositoryName,"/",branch);
refInfo memory refI = branchToRefInfo[fullname];
require(
refI.hash != bytes20(0),
"Reference of this name does not exist"
);
uint256 lastIndex = branchs.length -1 ;
if (refI.index < lastIndex){
branchToRefInfo[branchs[lastIndex]].index = refI.index;
branchs[refI.index] = branchs[lastIndex];
}
branchs.pop();
delete branchToRefInfo[fullname];
}
function _convertToRefData(
refInfo memory info
) internal view returns (refData memory res) {
res.hash = info.hash;
res.name = branchs[info.index];
}
// data storage module
function setStorageLayer(IStorageLayer addr) external onlyCreator {
storageManager = addr;
}
function upload(
bytes20 refHash,
bytes calldata data
) external payable {
storageManager.upload(refHash, data);
}
function download(bytes20 refHash) external view returns(bytes32 storageLayerId , bytes memory data){
return storageManager.download(refHash);
}
}