mirror of
https://github.com/cake-tech/cake_wallet.git
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90aee053cd
* feat: prepare ledger.dart to use callbacks * feat: set ledger callback using monero_c * fix(cw_monero): async ledger * build: Bump monero_c dependencies * feat: Add "How to connect" to HW Device selection screen * refactor: use monero_c free to clean pointer * fix: use new monero_c deps * fix: merge conflicts regarding new theming * feat: add status bottomsheet indicating an ongoing signing process * fix: getLastLedgerCommand monero.dart generation * reformat send_view_model.dart [skip ci] --------- Co-authored-by: Czarek Nakamoto <cyjan@mrcyjanek.net> Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
119 lines
3.5 KiB
Dart
119 lines
3.5 KiB
Dart
import 'dart:async';
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import 'dart:ffi';
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import 'dart:typed_data';
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import 'package:cw_core/utils/print_verbose.dart';
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import 'package:ffi/ffi.dart';
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import 'package:flutter/foundation.dart';
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import 'package:ledger_flutter_plus/ledger_flutter_plus.dart';
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import 'package:ledger_flutter_plus/ledger_flutter_plus_dart.dart';
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import 'package:monero/src/monero.dart' as api;
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LedgerConnection? gLedger;
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String? latestLedgerCommand;
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typedef LedgerCallback = Void Function(Pointer<UnsignedChar>, UnsignedInt);
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NativeCallable<LedgerCallback>? callable;
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void enableLedgerExchange(LedgerConnection connection) {
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callable?.close();
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void callback(Pointer<UnsignedChar> request, int requestLength) async {
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final ledgerRequest = request.cast<Uint8>().asTypedList(requestLength);
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_logLedgerCommand(ledgerRequest, false);
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final response = await exchange(connection, ledgerRequest);
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_logLedgerCommand(response, true);
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final Pointer<Uint8> result = malloc<Uint8>(response.length);
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for (var i = 0; i < response.length; i++) {
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result.asTypedList(response.length)[i] = response[i];
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}
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latestLedgerCommand = _ledgerMoneroCommands[ledgerRequest[1]];
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api.MoneroWallet.setDeviceReceivedData(
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result.cast<UnsignedChar>(), response.length);
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api.MoneroFree().free(result.cast());
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}
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callable = NativeCallable<LedgerCallback>.listener(callback);
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api.MoneroWallet.setLedgerCallback(callable!.nativeFunction);
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}
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void disableLedgerExchange() {
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callable?.close();
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gLedger?.disconnect();
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gLedger = null;
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latestLedgerCommand = null;
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}
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Future<Uint8List> exchange(LedgerConnection connection, Uint8List data) async =>
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connection.sendOperation<Uint8List>(ExchangeOperation(data));
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class ExchangeOperation extends LedgerRawOperation<Uint8List> {
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final Uint8List inputData;
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ExchangeOperation(this.inputData);
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@override
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Future<Uint8List> read(ByteDataReader reader) async =>
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reader.read(reader.remainingLength);
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@override
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Future<List<Uint8List>> write(ByteDataWriter writer) async => [inputData];
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}
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const _ledgerMoneroCommands = {
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0x00: "INS_NONE",
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0x02: "INS_RESET",
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0x20: "INS_GET_KEY",
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0x21: "INS_DISPLAY_ADDRESS",
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0x22: "INS_PUT_KEY",
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0x24: "INS_GET_CHACHA8_PREKEY",
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0x26: "INS_VERIFY_KEY",
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0x28: "INS_MANAGE_SEEDWORDS",
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0x30: "INS_SECRET_KEY_TO_PUBLIC_KEY",
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0x32: "INS_GEN_KEY_DERIVATION",
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0x34: "INS_DERIVATION_TO_SCALAR",
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0x36: "INS_DERIVE_PUBLIC_KEY",
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0x38: "INS_DERIVE_SECRET_KEY",
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0x3A: "INS_GEN_KEY_IMAGE",
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0x3B: "INS_DERIVE_VIEW_TAG",
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0x3C: "INS_SECRET_KEY_ADD",
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0x3E: "INS_SECRET_KEY_SUB",
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0x40: "INS_GENERATE_KEYPAIR",
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0x42: "INS_SECRET_SCAL_MUL_KEY",
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0x44: "INS_SECRET_SCAL_MUL_BASE",
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0x46: "INS_DERIVE_SUBADDRESS_PUBLIC_KEY",
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0x48: "INS_GET_SUBADDRESS",
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0x4A: "INS_GET_SUBADDRESS_SPEND_PUBLIC_KEY",
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0x4C: "INS_GET_SUBADDRESS_SECRET_KEY",
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0x70: "INS_OPEN_TX",
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0x72: "INS_SET_SIGNATURE_MODE",
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0x74: "INS_GET_ADDITIONAL_KEY",
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0x76: "INS_STEALTH",
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0x77: "INS_GEN_COMMITMENT_MASK",
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0x78: "INS_BLIND",
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0x7A: "INS_UNBLIND",
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0x7B: "INS_GEN_TXOUT_KEYS",
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0x7D: "INS_PREFIX_HASH",
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0x7C: "INS_VALIDATE",
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0x7E: "INS_MLSAG",
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0x7F: "INS_CLSAG",
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0x80: "INS_CLOSE_TX",
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0xA0: "INS_GET_TX_PROOF",
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0xC0: "INS_GET_RESPONSE"
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};
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void _logLedgerCommand(Uint8List command, [bool isResponse = true]) {
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String toHexString(Uint8List data) =>
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data.map((e) => e.toRadixString(16).padLeft(2, '0')).join();
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if (isResponse) {
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printV("< ${toHexString(command)}");
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} else {
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printV(
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"> ${_ledgerMoneroCommands[command[1]]} ${toHexString(command.sublist(2))}");
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}
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}
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