72 lines
2.3 KiB
Dart
72 lines
2.3 KiB
Dart
import 'package:arbiter/features/connection/connection.dart';
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import 'package:arbiter/proto/evm.pb.dart';
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import 'package:arbiter/proto/user_agent/evm.pb.dart' as ua_evm;
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import 'package:arbiter/proto/user_agent.pb.dart';
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import 'package:protobuf/well_known_types/google/protobuf/empty.pb.dart';
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Future<List<WalletEntry>> listEvmWallets(Connection connection) async {
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final response = await connection.ask(
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UserAgentRequest(evm: ua_evm.Request(walletList: Empty())),
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);
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if (!response.hasEvm()) {
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throw Exception(
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'Expected EVM response, got ${response.whichPayload()}',
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);
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}
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final evmResponse = response.evm;
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if (!evmResponse.hasWalletList()) {
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throw Exception(
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'Expected EVM wallet list response, got ${evmResponse.whichPayload()}',
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);
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}
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final result = evmResponse.walletList;
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switch (result.whichResult()) {
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case WalletListResponse_Result.wallets:
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return result.wallets.wallets.toList(growable: false);
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case WalletListResponse_Result.error:
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throw Exception(_describeEvmError(result.error));
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case WalletListResponse_Result.notSet:
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throw Exception('EVM wallet list response was empty.');
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}
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}
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Future<void> createEvmWallet(Connection connection) async {
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final response = await connection.ask(
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UserAgentRequest(evm: ua_evm.Request(walletCreate: Empty())),
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);
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if (!response.hasEvm()) {
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throw Exception(
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'Expected EVM response, got ${response.whichPayload()}',
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);
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}
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final evmResponse = response.evm;
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if (!evmResponse.hasWalletCreate()) {
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throw Exception(
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'Expected EVM wallet create response, got ${evmResponse.whichPayload()}',
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);
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}
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final result = evmResponse.walletCreate;
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switch (result.whichResult()) {
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case WalletCreateResponse_Result.wallet:
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return;
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case WalletCreateResponse_Result.error:
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throw Exception(_describeEvmError(result.error));
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case WalletCreateResponse_Result.notSet:
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throw Exception('Wallet creation returned no result.');
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}
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}
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String _describeEvmError(EvmError error) {
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return switch (error) {
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EvmError.EVM_ERROR_VAULT_SEALED =>
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'The vault is sealed. Unseal it before using EVM wallets.',
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EvmError.EVM_ERROR_INTERNAL || EvmError.EVM_ERROR_UNSPECIFIED =>
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'The server failed to process the EVM request.',
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_ => 'The server failed to process the EVM request.',
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};
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}
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