Little optimize (#164)

* add `AddLine` evnt

* add more interface

* fix

* add `URI` event

* upgrade lib ormp

* update

src/LineRegistry.sol

@@ -24,20 +24,33 @@ import "./interfaces/ILineMetadata.sol";
 /// @notice LineRegistry will be deployed on each chain.
 ///         It is the registry of messageLine and can be used to verify whether the line has been registered.
 contract LineRegistry is Ownable2Step {
+    event AddLine(string name, address line);
+
+    string[] private _names;
     // lineName => lineAddress
     mapping(string => address) private _lineLookup;
 
     constructor(address dao) {
         _transferOwnership(dao);
     }
 
+    function count() public view returns (uint256) {
+        return _names.length;
+    }
+
+    function list() public view returns (string[] memory) {
+        return _names;
+    }
+
     function getLine(string calldata name) external view returns (address) {
         return _lineLookup[name];
     }
 
     function addLine(address line) external onlyOwner {
         string memory name = ILineMetadata(line).name();
         require(_lineLookup[name] == address(0), "Line name already exists");
+        _names.push(name);
         _lineLookup[name] = line;
+        emit AddLine(name, line);
     }
 }

src/interfaces/ILineMetadata.sol

@@ -18,6 +18,8 @@
 pragma solidity ^0.8.0;
 
 interface ILineMetadata {
+    event URI(string uri);
+
     /// @notice Get the line name, it's globally unique and immutable.
     /// @return The MessageLine name.
     function name() external view returns (string memory);

src/lines/ORMPLine.sol

@@ -23,8 +23,8 @@ import "ORMP/src/interfaces/IORMP.sol";
 import "ORMP/src/user/Application.sol";
 import "@openzeppelin/contracts/access/Ownable2Step.sol";
 
-contract ORMPLine is BaseMessageLine, Application, LineLookup, Ownable2Step {
-    constructor(address dao, address ormp, string memory name) BaseMessageLine(name) Application(ormp) {
+contract ORMPLine is Ownable2Step, Application, BaseMessageLine, LineLookup {
+    constructor(address dao, address ormp, string memory name) Application(ormp) BaseMessageLine(name) {
         _transferOwnership(dao);
     }
 

src/lines/base/LineMetadata.sol

@@ -29,6 +29,7 @@ contract LineMetadata is ILineMetadata {
 
     function _setURI(string memory uri_) internal virtual {
         _uri = uri_;
+        emit URI(uri_);
     }
 
     function name() public view virtual returns (string memory) {