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400 lines
12 KiB
400 lines
12 KiB
import 'dart:async';
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import 'dart:ffi';
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import 'package:ffi/ffi.dart';
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import 'package:cw_monero/api/structs/ut8_box.dart';
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import 'package:cw_monero/api/convert_utf8_to_string.dart';
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import 'package:cw_monero/api/signatures.dart';
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import 'package:cw_monero/api/types.dart';
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import 'package:cw_monero/api/monero_api.dart';
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import 'package:cw_monero/api/exceptions/setup_wallet_exception.dart';
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import 'package:flutter/foundation.dart';
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int _boolToInt(bool value) => value ? 1 : 0;
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final getFileNameNative = moneroApi
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.lookup<NativeFunction<get_filename>>('get_filename')
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.asFunction<GetFilename>();
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final getSeedNative =
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moneroApi.lookup<NativeFunction<get_seed>>('seed').asFunction<GetSeed>();
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final getAddressNative = moneroApi
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.lookup<NativeFunction<get_address>>('get_address')
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.asFunction<GetAddress>();
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final getFullBalanceNative = moneroApi
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.lookup<NativeFunction<get_full_balanace>>('get_full_balance')
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.asFunction<GetFullBalance>();
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final getUnlockedBalanceNative = moneroApi
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.lookup<NativeFunction<get_unlocked_balanace>>('get_unlocked_balance')
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.asFunction<GetUnlockedBalance>();
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final getCurrentHeightNative = moneroApi
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.lookup<NativeFunction<get_current_height>>('get_current_height')
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.asFunction<GetCurrentHeight>();
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final getNodeHeightNative = moneroApi
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.lookup<NativeFunction<get_node_height>>('get_node_height')
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.asFunction<GetNodeHeight>();
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final isConnectedNative = moneroApi
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.lookup<NativeFunction<is_connected>>('is_connected')
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.asFunction<IsConnected>();
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final setupNodeNative = moneroApi
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.lookup<NativeFunction<setup_node>>('setup_node')
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.asFunction<SetupNode>();
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final startRefreshNative = moneroApi
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.lookup<NativeFunction<start_refresh>>('start_refresh')
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.asFunction<StartRefresh>();
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final connecToNodeNative = moneroApi
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.lookup<NativeFunction<connect_to_node>>('connect_to_node')
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.asFunction<ConnectToNode>();
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final setRefreshFromBlockHeightNative = moneroApi
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.lookup<NativeFunction<set_refresh_from_block_height>>(
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'set_refresh_from_block_height')
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.asFunction<SetRefreshFromBlockHeight>();
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final setRecoveringFromSeedNative = moneroApi
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.lookup<NativeFunction<set_recovering_from_seed>>(
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'set_recovering_from_seed')
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.asFunction<SetRecoveringFromSeed>();
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final storeNative =
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moneroApi.lookup<NativeFunction<store_c>>('store').asFunction<Store>();
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final setPasswordNative =
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moneroApi.lookup<NativeFunction<set_password>>('set_password').asFunction<SetPassword>();
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final setListenerNative = moneroApi
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.lookup<NativeFunction<set_listener>>('set_listener')
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.asFunction<SetListener>();
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final getSyncingHeightNative = moneroApi
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.lookup<NativeFunction<get_syncing_height>>('get_syncing_height')
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.asFunction<GetSyncingHeight>();
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final isNeededToRefreshNative = moneroApi
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.lookup<NativeFunction<is_needed_to_refresh>>('is_needed_to_refresh')
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.asFunction<IsNeededToRefresh>();
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final isNewTransactionExistNative = moneroApi
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.lookup<NativeFunction<is_new_transaction_exist>>(
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'is_new_transaction_exist')
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.asFunction<IsNewTransactionExist>();
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final getSecretViewKeyNative = moneroApi
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.lookup<NativeFunction<secret_view_key>>('secret_view_key')
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.asFunction<SecretViewKey>();
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final getPublicViewKeyNative = moneroApi
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.lookup<NativeFunction<public_view_key>>('public_view_key')
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.asFunction<PublicViewKey>();
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final getSecretSpendKeyNative = moneroApi
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.lookup<NativeFunction<secret_spend_key>>('secret_spend_key')
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.asFunction<SecretSpendKey>();
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final getPublicSpendKeyNative = moneroApi
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.lookup<NativeFunction<secret_view_key>>('public_spend_key')
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.asFunction<PublicSpendKey>();
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final closeCurrentWalletNative = moneroApi
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.lookup<NativeFunction<close_current_wallet>>('close_current_wallet')
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.asFunction<CloseCurrentWallet>();
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final onStartupNative = moneroApi
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.lookup<NativeFunction<on_startup>>('on_startup')
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.asFunction<OnStartup>();
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final rescanBlockchainAsyncNative = moneroApi
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.lookup<NativeFunction<rescan_blockchain>>('rescan_blockchain')
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.asFunction<RescanBlockchainAsync>();
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final getSubaddressLabelNative = moneroApi
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.lookup<NativeFunction<get_subaddress_label>>('get_subaddress_label')
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.asFunction<GetSubaddressLabel>();
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final setTrustedDaemonNative = moneroApi
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.lookup<NativeFunction<set_trusted_daemon>>('set_trusted_daemon')
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.asFunction<SetTrustedDaemon>();
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final trustedDaemonNative = moneroApi
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.lookup<NativeFunction<trusted_daemon>>('trusted_daemon')
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.asFunction<TrustedDaemon>();
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final signMessageNative = moneroApi
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.lookup<NativeFunction<sign_message>>('sign_message')
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.asFunction<SignMessage>();
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int getSyncingHeight() => getSyncingHeightNative();
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bool isNeededToRefresh() => isNeededToRefreshNative() != 0;
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bool isNewTransactionExist() => isNewTransactionExistNative() != 0;
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String getFilename() => convertUTF8ToString(pointer: getFileNameNative());
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String getSeed() => convertUTF8ToString(pointer: getSeedNative());
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String getAddress({int accountIndex = 0, int addressIndex = 0}) =>
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convertUTF8ToString(pointer: getAddressNative(accountIndex, addressIndex));
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int getFullBalance({int accountIndex = 0}) =>
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getFullBalanceNative(accountIndex);
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int getUnlockedBalance({int accountIndex = 0}) =>
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getUnlockedBalanceNative(accountIndex);
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int getCurrentHeight() => getCurrentHeightNative();
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int getNodeHeightSync() => getNodeHeightNative();
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bool isConnectedSync() => isConnectedNative() != 0;
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bool setupNodeSync(
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{required String address,
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String? login,
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String? password,
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bool useSSL = false,
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bool isLightWallet = false,
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String? socksProxyAddress}) {
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final addressPointer = address.toNativeUtf8();
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Pointer<Utf8>? loginPointer;
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Pointer<Utf8>? socksProxyAddressPointer;
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Pointer<Utf8>? passwordPointer;
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if (login != null) {
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loginPointer = login.toNativeUtf8();
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}
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if (password != null) {
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passwordPointer = password.toNativeUtf8();
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}
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if (socksProxyAddress != null) {
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socksProxyAddressPointer = socksProxyAddress.toNativeUtf8();
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}
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final errorMessagePointer = ''.toNativeUtf8();
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final isSetupNode = setupNodeNative(
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addressPointer,
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loginPointer,
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passwordPointer,
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_boolToInt(useSSL),
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_boolToInt(isLightWallet),
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socksProxyAddressPointer,
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errorMessagePointer) !=
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0;
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calloc.free(addressPointer);
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if (loginPointer != null) {
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calloc.free(loginPointer);
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}
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if (passwordPointer != null) {
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calloc.free(passwordPointer);
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}
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if (!isSetupNode) {
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throw SetupWalletException(
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message: convertUTF8ToString(pointer: errorMessagePointer));
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}
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return isSetupNode;
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}
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void startRefreshSync() => startRefreshNative();
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Future<bool> connectToNode() async => connecToNodeNative() != 0;
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void setRefreshFromBlockHeight({required int height}) =>
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setRefreshFromBlockHeightNative(height);
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void setRecoveringFromSeed({required bool isRecovery}) =>
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setRecoveringFromSeedNative(_boolToInt(isRecovery));
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void storeSync() {
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final pathPointer = ''.toNativeUtf8();
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storeNative(pathPointer);
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calloc.free(pathPointer);
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}
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void setPasswordSync(String password) {
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final passwordPointer = password.toNativeUtf8();
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final errorMessagePointer = calloc<Utf8Box>();
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final changed = setPasswordNative(passwordPointer, errorMessagePointer) != 0;
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calloc.free(passwordPointer);
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if (!changed) {
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final message = errorMessagePointer.ref.getValue();
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calloc.free(errorMessagePointer);
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throw Exception(message);
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}
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calloc.free(errorMessagePointer);
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}
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void closeCurrentWallet() => closeCurrentWalletNative();
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String getSecretViewKey() =>
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convertUTF8ToString(pointer: getSecretViewKeyNative());
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String getPublicViewKey() =>
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convertUTF8ToString(pointer: getPublicViewKeyNative());
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String getSecretSpendKey() =>
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convertUTF8ToString(pointer: getSecretSpendKeyNative());
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String getPublicSpendKey() =>
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convertUTF8ToString(pointer: getPublicSpendKeyNative());
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class SyncListener {
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SyncListener(this.onNewBlock, this.onNewTransaction)
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: _cachedBlockchainHeight = 0,
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_lastKnownBlockHeight = 0,
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_initialSyncHeight = 0;
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void Function(int, int, double) onNewBlock;
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void Function() onNewTransaction;
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Timer? _updateSyncInfoTimer;
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int _cachedBlockchainHeight;
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int _lastKnownBlockHeight;
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int _initialSyncHeight;
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Future<int> getNodeHeightOrUpdate(int baseHeight) async {
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if (_cachedBlockchainHeight < baseHeight || _cachedBlockchainHeight == 0) {
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_cachedBlockchainHeight = await getNodeHeight();
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}
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return _cachedBlockchainHeight;
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}
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void start() {
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_cachedBlockchainHeight = 0;
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_lastKnownBlockHeight = 0;
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_initialSyncHeight = 0;
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_updateSyncInfoTimer ??=
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Timer.periodic(Duration(milliseconds: 1200), (_) async {
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if (isNewTransactionExist()) {
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onNewTransaction();
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}
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var syncHeight = getSyncingHeight();
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if (syncHeight <= 0) {
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syncHeight = getCurrentHeight();
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}
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if (_initialSyncHeight <= 0) {
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_initialSyncHeight = syncHeight;
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}
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final bchHeight = await getNodeHeightOrUpdate(syncHeight);
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if (_lastKnownBlockHeight == syncHeight) {
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return;
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}
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_lastKnownBlockHeight = syncHeight;
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final track = bchHeight - _initialSyncHeight;
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final diff = track - (bchHeight - syncHeight);
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final ptc = diff <= 0 ? 0.0 : diff / track;
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final left = bchHeight - syncHeight;
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if (syncHeight < 0 || left < 0) {
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return;
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}
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// 1. Actual new height; 2. Blocks left to finish; 3. Progress in percents;
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onNewBlock.call(syncHeight, left, ptc);
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});
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}
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void stop() => _updateSyncInfoTimer?.cancel();
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}
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SyncListener setListeners(void Function(int, int, double) onNewBlock,
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void Function() onNewTransaction) {
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final listener = SyncListener(onNewBlock, onNewTransaction);
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setListenerNative();
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return listener;
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}
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void onStartup() => onStartupNative();
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void _storeSync(Object _) => storeSync();
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bool _setupNodeSync(Map<String, Object?> args) {
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final address = args['address'] as String;
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final login = (args['login'] ?? '') as String;
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final password = (args['password'] ?? '') as String;
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final useSSL = args['useSSL'] as bool;
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final isLightWallet = args['isLightWallet'] as bool;
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final socksProxyAddress = (args['socksProxyAddress'] ?? '') as String;
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return setupNodeSync(
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address: address,
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login: login,
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password: password,
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useSSL: useSSL,
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isLightWallet: isLightWallet,
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socksProxyAddress: socksProxyAddress);
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}
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bool _isConnected(Object _) => isConnectedSync();
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int _getNodeHeight(Object _) => getNodeHeightSync();
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void startRefresh() => startRefreshSync();
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Future<void> setupNode(
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{required String address,
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String? login,
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String? password,
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bool useSSL = false,
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String? socksProxyAddress,
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bool isLightWallet = false}) =>
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compute<Map<String, Object?>, void>(_setupNodeSync, {
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'address': address,
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'login': login ,
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'password': password,
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'useSSL': useSSL,
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'isLightWallet': isLightWallet,
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'socksProxyAddress': socksProxyAddress
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});
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Future<void> store() => compute<int, void>(_storeSync, 0);
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Future<bool> isConnected() => compute(_isConnected, 0);
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Future<int> getNodeHeight() => compute(_getNodeHeight, 0);
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void rescanBlockchainAsync() => rescanBlockchainAsyncNative();
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String getSubaddressLabel(int accountIndex, int addressIndex) {
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return convertUTF8ToString(pointer: getSubaddressLabelNative(accountIndex, addressIndex));
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}
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Future setTrustedDaemon(bool trusted) async => setTrustedDaemonNative(_boolToInt(trusted));
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Future<bool> trustedDaemon() async => trustedDaemonNative() != 0;
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String signMessage(String message, {String address = ""}) {
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final messagePointer = message.toNativeUtf8();
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final addressPointer = address.toNativeUtf8();
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final signature = convertUTF8ToString(pointer: signMessageNative(messagePointer, addressPointer));
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calloc.free(messagePointer);
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calloc.free(addressPointer);
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return signature;
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}
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