feat(pip): implement PIP-23

util/crypto/crypto.go

@@ -0,0 +1,30 @@
+package crypto
+
+import "github.com/pactus-project/pactus/crypto/bls"
+
+func SignMessageWithPrivateKey(prv, msg string) (string, error) {
+	prvKey, err := bls.PrivateKeyFromString(prv)
+	if err != nil {
+		return "", err
+	}
+
+	return prvKey.Sign([]byte(msg)).String(), nil
+}
+
+func VerifyMessage(sigStr, pubStr, msg string) bool {
+	sig, err := bls.SignatureFromString(sigStr)
+	if err != nil {
+		return false
+	}
+
+	pub, err := bls.PublicKeyFromString(pubStr)
+	if err != nil {
+		return false
+	}
+
+	if err := pub.Verify([]byte(msg), sig); err != nil {
+		return false
+	}
+
+	return true
+}

util/crypto/crypto_test.go

@@ -0,0 +1,36 @@
+package crypto
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSignMessageWithPrivateKey(t *testing.T) {
+	msg := "pactus"
+	prvStr := "SECRET1PDRWTLP5PX0FAHDX39GXZJP7FKZFALML0D5U9TT9KVQHDUC99CMGQQJVK67"
+	invalidPrvStr := "INVSECRET1PDRWTLP5PX0FAHDX39GXZJP7FKZFALML0D5U9TT9KVQHDUC99CMGQQJVK67"
+	sigStr := "923d67a8624cbb7972b29328e15ec76cc846076ccf00a9e94d991c677846f334ae4ba4551396fbcd6d1cab7593baf3b7"
+
+	sig, err := SignMessageWithPrivateKey(prvStr, msg)
+	assert.Nil(t, err)
+	assert.Equal(t, sig, sigStr)
+
+	sig, err = SignMessageWithPrivateKey(invalidPrvStr, msg)
+	assert.NotNil(t, err)
+	assert.Equal(t, sig, "")
+}
+
+func TestVerifyMessage(t *testing.T) {
+	msg := "pactus"
+	pubStr := "public1p4u8hfytl2pj6l9rj0t54gxcdmna4hq52ncqkkqjf3arha5mlk3x4mzpyjkhmdl20jae7f65aamjr" +
+		"vqcvf4sudcapz52ctcwc8r9wz3z2gwxs38880cgvfy49ta5ssyjut05myd4zgmjqstggmetyuyg7v5jhx47a"
+	sigStr := "923d67a8624cbb7972b29328e15ec76cc846076ccf00a9e94d991c677846f334ae4ba4551396fbcd6d1cab7593baf3b7"
+	invalidSigStr := "113d67a8624cbb7972b29328e15ec76cc846076ccf00a9e94d991c677846f334ae4ba4551396fbcd6d1cab7593baf3c9"
+
+	ok := VerifyMessage(sigStr, pubStr, msg)
+	assert.True(t, ok)
+
+	ok = VerifyMessage(invalidSigStr, pubStr, msg)
+	assert.False(t, ok)
+}

wallet/manager.go

@@ -192,3 +192,12 @@ func (wm *Manager) AddressHistory(
 
 	return wlt.GetHistory(address), nil
 }
+
+func (wm *Manager) SignMessage(msg, password, addr, walletName string) (string, error) {
+	wlt, ok := wm.wallets[walletName]
+	if !ok {
+		return "", status.Errorf(codes.NotFound, "wallet is not loaded")
+	}
+
+	return wlt.SignMessage(msg, password, addr)
+}

wallet/wallet.go

@@ -465,3 +465,12 @@ func (w *Wallet) AddTransaction(id tx.ID) error {
 func (w *Wallet) GetHistory(addr string) []HistoryInfo {
 	return w.store.History.getAddrHistory(addr)
 }
+
+func (w *Wallet) SignMessage(msg, password, addr string) (string, error) {
+	prv, err := w.PrivateKey(password, addr)
+	if err != nil {
+		return "", err
+	}
+
+	return prv.Sign([]byte(msg)).String(), nil
+}

wallet/wallet_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"github.com/pactus-project/pactus/crypto"
+	"github.com/pactus-project/pactus/crypto/bls"
 	"github.com/pactus-project/pactus/genesis"
 	"github.com/pactus-project/pactus/state"
 	"github.com/pactus-project/pactus/types/account"
@@ -569,3 +570,21 @@ func TestTotalBalance(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, totalBalance, acc1.Balance()+acc3.Balance())
 }
+
+func TestSignMessage(t *testing.T) {
+	td := setup(t)
+	defer td.Close()
+
+	msg := "pactus"
+	sigStr := "923d67a8624cbb7972b29328e15ec76cc846076ccf00a9e94d991c677846f334ae4ba4551396fbcd6d1cab7593baf3b7"
+
+	prv, _ := bls.PrivateKeyFromString(
+		"SECRET1PDRWTLP5PX0FAHDX39GXZJP7FKZFALML0D5U9TT9KVQHDUC99CMGQQJVK67")
+
+	err := td.wallet.ImportPrivateKey("", prv)
+	assert.NoError(t, err)
+
+	sig, err := td.wallet.SignMessage(msg, td.password, td.wallet.AllAccountAddresses()[0].Address)
+	assert.NoError(t, err)
+	assert.Equal(t, sig, sigStr)
+}

www/grpc/buf/grpc-gateway.config.yaml

@@ -87,3 +87,6 @@ http:
 
     - selector: pactus.Wallet.GetTotalBalance
       get: "/pactus/wallet/get_total_balance"
+
+    - selector: pactus.Wallet.SignMessage
+      get: "/pactus/wallet/sign_message"

www/grpc/gen/dart/wallet.pb.dart

@@ -1203,6 +1203,142 @@ class GetTotalBalanceResponse extends $pb.GeneratedMessage {
   void clearTotalBalance() => clearField(2);
 }
 
+class SignMessageRequest extends $pb.GeneratedMessage {
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(const $core.bool.fromEnvironment('protobuf.omit_message_names') ? '' : 'SignMessageRequest', package: const $pb.PackageName(const $core.bool.fromEnvironment('protobuf.omit_message_names') ? '' : 'pactus'), createEmptyInstance: create)
+    ..aOS(1, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'walletName')
+    ..aOS(2, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'password')
+    ..aOS(3, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'address')
+    ..aOS(4, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'message')
+    ..hasRequiredFields = false
+  ;
+
+  SignMessageRequest._() : super();
+  factory SignMessageRequest({
+    $core.String? walletName,
+    $core.String? password,
+    $core.String? address,
+    $core.String? message,
+  }) {
+    final _result = create();
+    if (walletName != null) {
+      _result.walletName = walletName;
+    }
+    if (password != null) {
+      _result.password = password;
+    }
+    if (address != null) {
+      _result.address = address;
+    }
+    if (message != null) {
+      _result.message = message;
+    }
+    return _result;
+  }
+  factory SignMessageRequest.fromBuffer($core.List<$core.int> i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromBuffer(i, r);
+  factory SignMessageRequest.fromJson($core.String i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromJson(i, r);
+  @$core.Deprecated(
+  'Using this can add significant overhead to your binary. '
+  'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+  'Will be removed in next major version')
+  SignMessageRequest clone() => SignMessageRequest()..mergeFromMessage(this);
+  @$core.Deprecated(
+  'Using this can add significant overhead to your binary. '
+  'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+  'Will be removed in next major version')
+  SignMessageRequest copyWith(void Function(SignMessageRequest) updates) => super.copyWith((message) => updates(message as SignMessageRequest)) as SignMessageRequest; // ignore: deprecated_member_use
+  $pb.BuilderInfo get info_ => _i;
+  @$core.pragma('dart2js:noInline')
+  static SignMessageRequest create() => SignMessageRequest._();
+  SignMessageRequest createEmptyInstance() => create();
+  static $pb.PbList<SignMessageRequest> createRepeated() => $pb.PbList<SignMessageRequest>();
+  @$core.pragma('dart2js:noInline')
+  static SignMessageRequest getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<SignMessageRequest>(create);
+  static SignMessageRequest? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get walletName => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set walletName($core.String v) { $_setString(0, v); }
+  @$pb.TagNumber(1)
+  $core.bool hasWalletName() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearWalletName() => clearField(1);
+
+  @$pb.TagNumber(2)
+  $core.String get password => $_getSZ(1);
+  @$pb.TagNumber(2)
+  set password($core.String v) { $_setString(1, v); }
+  @$pb.TagNumber(2)
+  $core.bool hasPassword() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearPassword() => clearField(2);
+
+  @$pb.TagNumber(3)
+  $core.String get address => $_getSZ(2);
+  @$pb.TagNumber(3)
+  set address($core.String v) { $_setString(2, v); }
+  @$pb.TagNumber(3)
+  $core.bool hasAddress() => $_has(2);
+  @$pb.TagNumber(3)
+  void clearAddress() => clearField(3);
+
+  @$pb.TagNumber(4)
+  $core.String get message => $_getSZ(3);
+  @$pb.TagNumber(4)
+  set message($core.String v) { $_setString(3, v); }
+  @$pb.TagNumber(4)
+  $core.bool hasMessage() => $_has(3);
+  @$pb.TagNumber(4)
+  void clearMessage() => clearField(4);
+}
+
+class SignMessageResponse extends $pb.GeneratedMessage {
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(const $core.bool.fromEnvironment('protobuf.omit_message_names') ? '' : 'SignMessageResponse', package: const $pb.PackageName(const $core.bool.fromEnvironment('protobuf.omit_message_names') ? '' : 'pactus'), createEmptyInstance: create)
+    ..aOS(1, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'signature')
+    ..hasRequiredFields = false
+  ;
+
+  SignMessageResponse._() : super();
+  factory SignMessageResponse({
+    $core.String? signature,
+  }) {
+    final _result = create();
+    if (signature != null) {
+      _result.signature = signature;
+    }
+    return _result;
+  }
+  factory SignMessageResponse.fromBuffer($core.List<$core.int> i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromBuffer(i, r);
+  factory SignMessageResponse.fromJson($core.String i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromJson(i, r);
+  @$core.Deprecated(
+  'Using this can add significant overhead to your binary. '
+  'Use [GeneratedMessageGenericExtensions.deepCopy] instead. '
+  'Will be removed in next major version')
+  SignMessageResponse clone() => SignMessageResponse()..mergeFromMessage(this);
+  @$core.Deprecated(
+  'Using this can add significant overhead to your binary. '
+  'Use [GeneratedMessageGenericExtensions.rebuild] instead. '
+  'Will be removed in next major version')
+  SignMessageResponse copyWith(void Function(SignMessageResponse) updates) => super.copyWith((message) => updates(message as SignMessageResponse)) as SignMessageResponse; // ignore: deprecated_member_use
+  $pb.BuilderInfo get info_ => _i;
+  @$core.pragma('dart2js:noInline')
+  static SignMessageResponse create() => SignMessageResponse._();
+  SignMessageResponse createEmptyInstance() => create();
+  static $pb.PbList<SignMessageResponse> createRepeated() => $pb.PbList<SignMessageResponse>();
+  @$core.pragma('dart2js:noInline')
+  static SignMessageResponse getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<SignMessageResponse>(create);
+  static SignMessageResponse? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get signature => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set signature($core.String v) { $_setString(0, v); }
+  @$pb.TagNumber(1)
+  $core.bool hasSignature() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearSignature() => clearField(1);
+}
+
 class WalletApi {
   $pb.RpcClient _client;
   WalletApi(this._client);
@@ -1243,5 +1379,9 @@ class WalletApi {
     var emptyResponse = GetAddressHistoryResponse();
     return _client.invoke<GetAddressHistoryResponse>(ctx, 'Wallet', 'GetAddressHistory', request, emptyResponse);
   }
+  $async.Future<SignMessageResponse> signMessage($pb.ClientContext? ctx, SignMessageRequest request) {
+    var emptyResponse = SignMessageResponse();
+    return _client.invoke<SignMessageResponse>(ctx, 'Wallet', 'SignMessage', request, emptyResponse);
+  }
 }
 

www/grpc/gen/dart/wallet.pbjson.dart

@@ -238,6 +238,29 @@ const GetTotalBalanceResponse$json = const {
 
 /// Descriptor for `GetTotalBalanceResponse`. Decode as a `google.protobuf.DescriptorProto`.
 final $typed_data.Uint8List getTotalBalanceResponseDescriptor = $convert.base64Decode('ChdHZXRUb3RhbEJhbGFuY2VSZXNwb25zZRIfCgt3YWxsZXRfbmFtZRgBIAEoCVIKd2FsbGV0TmFtZRIjCg10b3RhbF9iYWxhbmNlGAIgASgDUgx0b3RhbEJhbGFuY2U=');
+@$core.Deprecated('Use signMessageRequestDescriptor instead')
+const SignMessageRequest$json = const {
+  '1': 'SignMessageRequest',
+  '2': const [
+    const {'1': 'wallet_name', '3': 1, '4': 1, '5': 9, '10': 'walletName'},
+    const {'1': 'password', '3': 2, '4': 1, '5': 9, '10': 'password'},
+    const {'1': 'address', '3': 3, '4': 1, '5': 9, '10': 'address'},
+    const {'1': 'message', '3': 4, '4': 1, '5': 9, '10': 'message'},
+  ],
+};
+
+/// Descriptor for `SignMessageRequest`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List signMessageRequestDescriptor = $convert.base64Decode('ChJTaWduTWVzc2FnZVJlcXVlc3QSHwoLd2FsbGV0X25hbWUYASABKAlSCndhbGxldE5hbWUSGgoIcGFzc3dvcmQYAiABKAlSCHBhc3N3b3JkEhgKB2FkZHJlc3MYAyABKAlSB2FkZHJlc3MSGAoHbWVzc2FnZRgEIAEoCVIHbWVzc2FnZQ==');
+@$core.Deprecated('Use signMessageResponseDescriptor instead')
+const SignMessageResponse$json = const {
+  '1': 'SignMessageResponse',
+  '2': const [
+    const {'1': 'signature', '3': 1, '4': 1, '5': 9, '10': 'signature'},
+  ],
+};
+
+/// Descriptor for `SignMessageResponse`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List signMessageResponseDescriptor = $convert.base64Decode('ChNTaWduTWVzc2FnZVJlc3BvbnNlEhwKCXNpZ25hdHVyZRgBIAEoCVIJc2lnbmF0dXJl');
 const $core.Map<$core.String, $core.dynamic> WalletServiceBase$json = const {
   '1': 'Wallet',
   '2': const [
@@ -250,6 +273,7 @@ const $core.Map<$core.String, $core.dynamic> WalletServiceBase$json = const {
     const {'1': 'GetValidatorAddress', '2': '.pactus.GetValidatorAddressRequest', '3': '.pactus.GetValidatorAddressResponse'},
     const {'1': 'GetNewAddress', '2': '.pactus.GetNewAddressRequest', '3': '.pactus.GetNewAddressResponse'},
     const {'1': 'GetAddressHistory', '2': '.pactus.GetAddressHistoryRequest', '3': '.pactus.GetAddressHistoryResponse'},
+    const {'1': 'SignMessage', '2': '.pactus.SignMessageRequest', '3': '.pactus.SignMessageResponse'},
   ],
 };
 
@@ -275,7 +299,9 @@ const $core.Map<$core.String, $core.Map<$core.String, $core.dynamic>> WalletServ
   '.pactus.GetAddressHistoryRequest': GetAddressHistoryRequest$json,
   '.pactus.GetAddressHistoryResponse': GetAddressHistoryResponse$json,
   '.pactus.HistoryInfo': HistoryInfo$json,
+  '.pactus.SignMessageRequest': SignMessageRequest$json,
+  '.pactus.SignMessageResponse': SignMessageResponse$json,
 };
 
 /// Descriptor for `Wallet`. Decode as a `google.protobuf.ServiceDescriptorProto`.
-final $typed_data.Uint8List walletServiceDescriptor = $convert.base64Decode('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');
+final $typed_data.Uint8List walletServiceDescriptor = $convert.base64Decode('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');

www/grpc/gen/dart/wallet.pbserver.dart

@@ -25,6 +25,7 @@ abstract class WalletServiceBase extends $pb.GeneratedService {
   $async.Future<$3.GetValidatorAddressResponse> getValidatorAddress($pb.ServerContext ctx, $3.GetValidatorAddressRequest request);
   $async.Future<$3.GetNewAddressResponse> getNewAddress($pb.ServerContext ctx, $3.GetNewAddressRequest request);
   $async.Future<$3.GetAddressHistoryResponse> getAddressHistory($pb.ServerContext ctx, $3.GetAddressHistoryRequest request);
+  $async.Future<$3.SignMessageResponse> signMessage($pb.ServerContext ctx, $3.SignMessageRequest request);
 
   $pb.GeneratedMessage createRequest($core.String method) {
     switch (method) {
@@ -37,6 +38,7 @@ abstract class WalletServiceBase extends $pb.GeneratedService {
       case 'GetValidatorAddress': return $3.GetValidatorAddressRequest();
       case 'GetNewAddress': return $3.GetNewAddressRequest();
       case 'GetAddressHistory': return $3.GetAddressHistoryRequest();
+      case 'SignMessage': return $3.SignMessageRequest();
       default: throw $core.ArgumentError('Unknown method: $method');
     }
   }
@@ -52,6 +54,7 @@ abstract class WalletServiceBase extends $pb.GeneratedService {
       case 'GetValidatorAddress': return this.getValidatorAddress(ctx, request as $3.GetValidatorAddressRequest);
       case 'GetNewAddress': return this.getNewAddress(ctx, request as $3.GetNewAddressRequest);
       case 'GetAddressHistory': return this.getAddressHistory(ctx, request as $3.GetAddressHistoryRequest);
+      case 'SignMessage': return this.signMessage(ctx, request as $3.SignMessageRequest);
       default: throw $core.ArgumentError('Unknown method: $method');
     }
   }