Tchain Client against devnet

.github/workflows/build.yaml

@@ -16,13 +16,14 @@ jobs:
       - name: Setup Dart SDK
         uses: dart-lang/setup-dart@v1.6.0
         with:
-            sdk: 'stable'
+          sdk: 'stable'
       - name: Install Melos
-        run: dart pub global activate melos      
-                
+        run: dart pub global activate melos
+
       - name: Install dependencies
         run: dart pub global run melos bootstrap
 
       - name: Linting
-        run: dart analyze .
+        run: find . -name "*.dart" -not -path "./packages/tfchain_client/lib/generated/*" | xargs dart analyze
+
 

.gitignore

@@ -4,3 +4,4 @@ coverage/
 .dart_tool/
 *.iml
 .idea/
+package_config.json

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "cSpell.words": ["keypair", "polkadot", "sublist", "tfchain", "TFKV", "twoxx"]
+}

README.md

@@ -2,6 +2,11 @@
 
 [![melos](https://img.shields.io/badge/maintained%20with-melos-f700ff.svg?style=flat-square)](https://github.com/invertase/melos) [![codecov](https://codecov.io/gh/codescalers/tfgrid-sdk-dart/graph/badge.svg?token=O34UDTMW5O)](https://codecov.io/gh/codescalers/tfgrid-sdk-dart)
 
+This repo contains the dart clients for Threefold grid.
+## Packages
+
+- [signer](./packages/signer/README.md)
+- [tfchain_client](./packages/tfchain_client/README.md)
 ## Prerequisites
 
 Make sure you have the following tools installed:
@@ -10,6 +15,7 @@ Make sure you have the following tools installed:
 - [Melos](https://pub.dev/packages/melos)
 - [Coverde](https://pub.dev/packages/coverde)
 
+
 ## Initialize Workspace
 
 To initialize workspace in all packages run the following command

analysis_options.yaml

@@ -0,0 +1,4 @@
+include: package:lints/recommended.yaml
+
+analyzer:
+  - exclude: packages/tfchain_client/lib/generated/**

melos.yaml

@@ -1,6 +1,8 @@
 name: tfgrid_sdk_dart_monorepo
 packages:
   - packages/**
+  - ./packages/signer
+  - ./packages/tfchain_client
 
 scripts:
   analyze:

packages/signer/README.md

@@ -65,7 +65,7 @@ dart pub get
 To run the tests, run the following command 
 
 ```bash
-dart test
+dart test .
 ```
 
 ## Generate Coverage

packages/signer/bin/signer.dart

@@ -7,7 +7,7 @@ void main() async {
   final mnemonic =
       'picnic flip cigar rival risk scatter slide aware trust garlic solution token';
   final signer = Signer();
-  await signer.fromMnemonic(mnemonic);
+  await signer.fromMnemonic(mnemonic, KPType.ed25519);
   final data = "anydata123";
   final signatureFromMnemonic = await signer.sign(data);
 
@@ -49,14 +49,14 @@ void main() async {
   ]);
 
   final signer2 = Signer();
-  await signer2.fromSeed(seedUint8List);
+  await signer2.fromSeed(seedUint8List, KPType.ed25519);
   final signatureFromSeed = await signer2.sign(data);
   print("Signature from Seed: $signatureFromSeed");
 
   final signer3 = Signer();
-  await signer3.fromHexSeed(
-      '0x6c1d94caa7bf0a0d7ef0983c1823e9ac6abed57221d57d0922654352d85cb1e4');
+  signer3.fromHexSeed(
+      '0x6c1d94caa7bf0a0d7ef0983c1823e9ac6abed57221d57d0922654352d85cb1e4',
+      KPType.ed25519);
   final signatureFromSeed2 = await signer3.sign(data);
   print("Signature from Hex Seed: $signatureFromSeed2");
-
 }

packages/signer/lib/signer.dart

@@ -5,6 +5,5 @@ import 'dart:typed_data';
 import 'package:polkadart_keyring/polkadart_keyring.dart';
 import 'package:hex/hex.dart';
 
-
-
 part 'src/sign.dart';
+part 'src/types.dart';

packages/signer/lib/src/sign.dart

@@ -1,55 +1,94 @@
 part of '../signer.dart';
+// TODO: should return keypair or not ?
+
 
 class Signer {
-  KeyPair? _keypair;
+  KeyPair? keypair;
+  KPType? _type;
 
-  Future<void> fromMnemonic(String mnemonic) async {
+  Future<KeyPair?> fromMnemonic(String mnemonic, KPType type) async {
     try {
-      _keypair = await KeyPair.fromMnemonic(mnemonic);
+      if (type.value == KPType.sr25519.value) {
+        keypair = await KeyPair.sr25519.fromMnemonic(mnemonic);
+        _type = KPType.sr25519;
+        return keypair;
+      } else if (type.value == KPType.ed25519.value) {
+        keypair = await KeyPair.ed25519.fromMnemonic(mnemonic);
+        _type = KPType.ed25519;
+        return keypair;
+      } else {
+        throw Exception("Wrong KeyPair type !");
+      }
     } catch (e) {
       throw Exception("Failed to create keyPair from mnemonic. Error: $e");
     }
   }
 
-  Future<void> fromSeed(Uint8List seed) async {
+  Future<KeyPair?> fromSeed(Uint8List seed, KPType type) async {
     try {
-      _keypair = KeyPair.fromSeed(seed);
+      if (type.value == KPType.sr25519.value) {
+        keypair = await KeyPair.sr25519.fromSeed(seed);
+        _type = KPType.sr25519;
+        return keypair;
+      } else if (type.value == KPType.ed25519.value) {
+        keypair = await KeyPair.ed25519.fromSeed(seed);
+        _type = KPType.ed25519;
+        return keypair;
+      } else {
+        throw Exception("Wrong KeyPair type !");
+      }
     } catch (e) {
       throw Exception("Failed to create keyPair from seed. Error: $e");
     }
   }
 
-  Future<void> fromHexSeed(String hexSeed) async {
+  void fromHexSeed(String hexSeed, KPType type) {
     try {
       final seed = HEX.decode(hexSeed.replaceAll('0x', ''));
-      _keypair = KeyPair.fromSeed(Uint8List.fromList(seed));
+      if (type.value == KPType.sr25519.value) {
+        keypair = KeyPair.sr25519.fromSeed(Uint8List.fromList(seed));
+        _type = KPType.sr25519;
+      } else if (type.value == KPType.ed25519.value) {
+        keypair = KeyPair.ed25519.fromSeed(Uint8List.fromList(seed));
+        _type = KPType.ed25519;
+      } else {
+        throw Exception("Wrong KeyPair type !");
+      }
     } catch (e) {
       throw Exception("Failed to create keyPair from hex seed. Error: $e");
     }
   }
 
-  Future<Uint8List> sign(String data) async {
-    if (_keypair == null) {
+  Uint8List sign(String data) {
+    if (keypair == null) {
       throw Exception("keypair not initialized.");
     }
     try {
       final dataBytes = Uint8List.fromList(utf8.encode(data));
-      final signature = _keypair!.sign(dataBytes);
+      final signature = keypair!.sign(dataBytes);
       return signature;
     } catch (e) {
       throw Exception("Failed to sign data. Error: $e");
     }
   }
 
-  Future<bool> verify(Uint8List signature, String data) async {
-    if (_keypair == null) {
+  bool verify(Uint8List signature, String data) {
+    if (keypair == null) {
       throw Exception("keypair not initialized.");
     }
     try {
       final dataBytes = Uint8List.fromList(utf8.encode(data));
-      return _keypair!.verify(dataBytes, signature);
+      return keypair!.verify(dataBytes, signature);
     } catch (e) {
       throw Exception("Failed to verify signature. Error: $e");
     }
   }
+
+  KeyPair keypairFromAddress(String address) {
+    final keyring = Keyring();
+
+    keyring.add(keypair!);
+    final pair = keyring.getByAddress(address);
+    return pair;
+  }
 }

packages/signer/lib/src/types.dart

@@ -0,0 +1,17 @@
+part of '../signer.dart';
+
+enum KPType {
+  sr25519,
+  ed25519,
+}
+
+extension KPTypeExtension on KPType {
+  String get value {
+    switch (this) {
+      case KPType.sr25519:
+        return 'sr25519';
+      case KPType.ed25519:
+        return 'ed25519';
+    }
+  }
+}