mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-12-26 13:29:23 +00:00
324 lines
8.9 KiB
Dart
324 lines
8.9 KiB
Dart
import 'package:coinlib_flutter/coinlib_flutter.dart' as coinlib;
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import '../../../models/isar/models/blockchain_data/address.dart';
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import '../../../models/node_model.dart';
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import '../../../utilities/amount/amount.dart';
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import '../../../utilities/default_nodes.dart';
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import '../../../utilities/enums/derive_path_type_enum.dart';
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import '../crypto_currency.dart';
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import '../interfaces/electrumx_currency_interface.dart';
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import '../interfaces/paynym_currency_interface.dart';
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import '../intermediate/bip39_hd_currency.dart';
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class Bitcoin extends Bip39HDCurrency
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with ElectrumXCurrencyInterface, PaynymCurrencyInterface {
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Bitcoin(super.network) {
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_idMain = "bitcoin";
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_uriScheme = "bitcoin";
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switch (network) {
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case CryptoCurrencyNetwork.main:
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_id = _idMain;
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_name = "Bitcoin";
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_ticker = "BTC";
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case CryptoCurrencyNetwork.test:
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_id = "bitcoinTestNet";
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_name = "tBitcoin";
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_ticker = "tBTC";
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case CryptoCurrencyNetwork.test4:
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_id = "bitcoinTestNet4";
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_name = "t4Bitcoin";
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_ticker = "t4BTC";
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default:
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throw Exception("Unsupported network: $network");
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}
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}
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late final String _id;
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@override
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String get identifier => _id;
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late final String _idMain;
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@override
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String get mainNetId => _idMain;
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late final String _name;
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@override
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String get prettyName => _name;
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late final String _uriScheme;
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@override
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String get uriScheme => _uriScheme;
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late final String _ticker;
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@override
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String get ticker => _ticker;
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@override
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// change this to change the number of confirms a tx needs in order to show as confirmed
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int get minConfirms => 1;
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@override
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bool get torSupport => true;
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@override
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List<DerivePathType> get supportedDerivationPathTypes => [
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DerivePathType.bip44,
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DerivePathType.bip49,
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DerivePathType.bip84,
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DerivePathType.bip86, // P2TR.
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];
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@override
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String get genesisHash {
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switch (network) {
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case CryptoCurrencyNetwork.main:
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return "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f";
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case CryptoCurrencyNetwork.test:
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return "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943";
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case CryptoCurrencyNetwork.test4:
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return "00000000da84f2bafbbc53dee25a72ae507ff4914b867c565be350b0da8bf043";
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default:
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throw Exception("Unsupported network: $network");
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}
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}
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@override
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Amount get dustLimit => Amount(
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rawValue: BigInt.from(294),
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fractionDigits: fractionDigits,
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);
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@override
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coinlib.Network get networkParams {
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switch (network) {
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case CryptoCurrencyNetwork.main:
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return coinlib.Network(
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wifPrefix: 0x80,
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p2pkhPrefix: 0x00,
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p2shPrefix: 0x05,
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privHDPrefix: 0x0488ade4,
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pubHDPrefix: 0x0488b21e,
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bech32Hrp: "bc",
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messagePrefix: '\x18Bitcoin Signed Message:\n',
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minFee: BigInt.from(1), // Not used in stack wallet currently
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minOutput: dustLimit.raw, // Not used in stack wallet currently
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feePerKb: BigInt.from(1), // Not used in stack wallet currently
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);
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case CryptoCurrencyNetwork.test:
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case CryptoCurrencyNetwork.test4:
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return coinlib.Network(
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wifPrefix: 0xef,
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p2pkhPrefix: 0x6f,
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p2shPrefix: 0xc4,
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privHDPrefix: 0x04358394,
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pubHDPrefix: 0x043587cf,
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bech32Hrp: "tb",
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messagePrefix: "\x18Bitcoin Signed Message:\n",
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minFee: BigInt.from(1), // Not used in stack wallet currently
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minOutput: dustLimit.raw, // Not used in stack wallet currently
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feePerKb: BigInt.from(1), // Not used in stack wallet currently
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);
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default:
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throw Exception("Unsupported network: $network");
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}
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}
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@override
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String constructDerivePath({
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required DerivePathType derivePathType,
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int account = 0,
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required int chain,
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required int index,
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}) {
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String coinType;
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switch (networkParams.wifPrefix) {
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case 0x80:
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coinType = "0"; // btc mainnet
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break;
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case 0xef:
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coinType = "1"; // btc testnet
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break;
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default:
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throw Exception("Invalid Bitcoin network wif used!");
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}
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final int purpose;
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switch (derivePathType) {
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case DerivePathType.bip44:
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purpose = 44;
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break;
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case DerivePathType.bip49:
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purpose = 49;
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break;
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case DerivePathType.bip84:
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purpose = 84;
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break;
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case DerivePathType.bip86:
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purpose = 86;
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break;
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default:
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throw Exception("DerivePathType $derivePathType not supported");
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}
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return "m/$purpose'/$coinType'/$account'/$chain/$index";
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}
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@override
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({coinlib.Address address, AddressType addressType}) getAddressForPublicKey({
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required coinlib.ECPublicKey publicKey,
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required DerivePathType derivePathType,
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}) {
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switch (derivePathType) {
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case DerivePathType.bip44:
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final addr = coinlib.P2PKHAddress.fromPublicKey(
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publicKey,
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version: networkParams.p2pkhPrefix,
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);
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return (address: addr, addressType: AddressType.p2pkh);
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// TODO: [prio=high] verify this works similarly to bitcoindart's p2sh or something(!!)
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case DerivePathType.bip49:
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final p2wpkhScript = coinlib.P2WPKHAddress.fromPublicKey(
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publicKey,
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hrp: networkParams.bech32Hrp,
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).program.script;
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final addr = coinlib.P2SHAddress.fromRedeemScript(
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p2wpkhScript,
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version: networkParams.p2shPrefix,
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);
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return (address: addr, addressType: AddressType.p2sh);
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case DerivePathType.bip84:
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final addr = coinlib.P2WPKHAddress.fromPublicKey(
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publicKey,
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hrp: networkParams.bech32Hrp,
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);
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return (address: addr, addressType: AddressType.p2wpkh);
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case DerivePathType.bip86:
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final taproot = coinlib.Taproot(internalKey: publicKey);
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final addr = coinlib.P2TRAddress.fromTaproot(
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taproot,
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hrp: networkParams.bech32Hrp,
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);
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return (address: addr, addressType: AddressType.p2tr);
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default:
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throw Exception("DerivePathType $derivePathType not supported");
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}
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}
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@override
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bool validateAddress(String address) {
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try {
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coinlib.Address.fromString(address, networkParams);
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return true;
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} catch (_) {
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return false;
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}
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}
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@override
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NodeModel get defaultNode {
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switch (network) {
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case CryptoCurrencyNetwork.main:
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return NodeModel(
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host: "bitcoin.stackwallet.com",
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port: 50002,
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name: DefaultNodes.defaultName,
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id: DefaultNodes.buildId(this),
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useSSL: true,
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enabled: true,
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coinName: identifier,
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isFailover: true,
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isDown: false,
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);
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case CryptoCurrencyNetwork.test:
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return NodeModel(
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host: "bitcoin-testnet.stackwallet.com",
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port: 51002,
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name: DefaultNodes.defaultName,
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id: DefaultNodes.buildId(this),
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useSSL: true,
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enabled: true,
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coinName: identifier,
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isFailover: true,
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isDown: false,
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);
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case CryptoCurrencyNetwork.test4:
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return NodeModel(
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host: "bitcoin-testnet4.stackwallet.com",
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port: 50002,
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name: DefaultNodes.defaultName,
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id: DefaultNodes.buildId(this),
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useSSL: true,
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enabled: true,
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coinName: identifier,
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isFailover: true,
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isDown: false,
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);
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default:
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throw UnimplementedError();
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}
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}
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@override
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int get defaultSeedPhraseLength => 12;
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@override
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int get fractionDigits => 8;
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@override
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bool get hasBuySupport => true;
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@override
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bool get hasMnemonicPassphraseSupport => true;
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@override
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List<int> get possibleMnemonicLengths => [defaultSeedPhraseLength, 24];
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@override
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AddressType get defaultAddressType => defaultDerivePathType.getAddressType();
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@override
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BigInt get satsPerCoin => BigInt.from(100000000);
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@override
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int get targetBlockTimeSeconds => 600;
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@override
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DerivePathType get defaultDerivePathType => DerivePathType.bip86;
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@override
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Uri defaultBlockExplorer(String txid) {
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switch (network) {
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case CryptoCurrencyNetwork.main:
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return Uri.parse("https://mempool.space/tx/$txid");
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case CryptoCurrencyNetwork.test:
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return Uri.parse("https://mempool.space/testnet/tx/$txid");
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case CryptoCurrencyNetwork.test4:
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return Uri.parse("https://mempool.space/testnet4/tx/$txid");
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default:
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throw Exception(
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"Unsupported network for defaultBlockExplorer(): $network",
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);
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}
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}
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@override
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int get transactionVersion => 1;
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@override
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BigInt get defaultFeeRate => BigInt.from(1000);
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// https://github.com/bitcoin/bitcoin/blob/feab35189bc00bc4cf15e9dcb5cf6b34ff3a1e91/test/functional/mempool_limit.py#L259
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}
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