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feat(useragent::evm): basic list & creation

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This commit is contained in:
hdbg
2026-03-16 03:13:05 +01:00
parent fac312d860
commit 6ed8150e48
9 changed files with 603 additions and 111 deletions
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55
useragent/lib/features/connection/connection.dart
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@@ -4,15 +4,18 @@ import 'dart:convert';
import 'package:arbiter/features/connection/server_info_storage.dart';
import 'package:arbiter/features/identity/pk_manager.dart';
import 'package:arbiter/proto/arbiter.pbgrpc.dart';
import 'package:arbiter/proto/evm.pb.dart';
import 'package:arbiter/proto/user_agent.pb.dart';
import 'package:cryptography/cryptography.dart';
import 'package:grpc/grpc.dart';
import 'package:mtcore/markettakers.dart';
import 'package:protobuf/well_known_types/google/protobuf/empty.pb.dart';
class Connection {
final ClientChannel channel;
final StreamController<UserAgentRequest> _tx;
final StreamIterator<UserAgentResponse> _rx;
Future<void> _requestQueue = Future<void>.value();
Connection({
required this.channel,
@@ -69,6 +72,48 @@ List<int> formatChallenge(AuthChallenge challenge, List<int> pubkey) {
const _vaultKeyAssociatedData = 'arbiter.vault.password';
Future<List<WalletEntry>> listEvmWallets(Connection connection) async {
await connection.send(UserAgentRequest(evmWalletList: Empty()));
final response = await connection.receive();
if (!response.hasEvmWalletList()) {
throw Exception(
'Expected EVM wallet list response, got ${response.whichPayload()}',
);
}
final result = response.evmWalletList;
switch (result.whichResult()) {
case WalletListResponse_Result.wallets:
return result.wallets.wallets.toList(growable: false);
case WalletListResponse_Result.error:
throw Exception(_describeEvmError(result.error));
case WalletListResponse_Result.notSet:
throw Exception('EVM wallet list response was empty.');
}
}
Future<void> createEvmWallet(Connection connection) async {
await connection.send(UserAgentRequest(evmWalletCreate: Empty()));
final response = await connection.receive();
if (!response.hasEvmWalletCreate()) {
throw Exception(
'Expected EVM wallet create response, got ${response.whichPayload()}',
);
}
final result = response.evmWalletCreate;
switch (result.whichResult()) {
case WalletCreateResponse_Result.wallet:
return;
case WalletCreateResponse_Result.error:
throw Exception(_describeEvmError(result.error));
case WalletCreateResponse_Result.notSet:
throw Exception('Wallet creation returned no result.');
}
}
Future<BootstrapResult> bootstrapVault(
Connection connection,
String password,
@@ -241,3 +286,13 @@ Future<Connection> connectAndAuthorize(
throw Exception('Failed to connect to server: $e');
}
}
String _describeEvmError(EvmError error) {
return switch (error) {
EvmError.EVM_ERROR_VAULT_SEALED =>
'The vault is sealed. Unseal it before using EVM wallets.',
EvmError.EVM_ERROR_INTERNAL || EvmError.EVM_ERROR_UNSPECIFIED =>
'The server failed to process the EVM request.',
_ => 'The server failed to process the EVM request.',
};
}