mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-11-17 09:47:37 +00:00
WIP: coinlib 2 migration (taproot txns on btc testnet tested working)
This commit is contained in:
julian
parent
985e269993
commit
023bad0c70
2 changed files with 149 additions and 58 deletions
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@ -11,6 +11,7 @@
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import 'dart:typed_data';
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import 'package:bitcoindart/bitcoindart.dart';
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// import 'package:coinlib_flutter/coinlib_flutter.dart';
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import 'package:stackwallet/models/isar/models/isar_models.dart';
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import 'package:stackwallet/utilities/enums/derive_path_type_enum.dart';
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@ -40,3 +41,27 @@ class SigningData {
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"}";
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}
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}
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// class SigningData {
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// SigningData({
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// required this.derivePathType,
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// required this.utxo,
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// this.keyPair,
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// this.redeemScript,
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// });
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//
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// final DerivePathType derivePathType;
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// final UTXO utxo;
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// ({ECPrivateKey privateKey, ECPublicKey publicKey})? keyPair;
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// Uint8List? redeemScript;
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//
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// @override
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// String toString() {
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// return "SigningData{\n"
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// " derivePathType: $derivePathType,\n"
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// " utxo: $utxo,\n"
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// " keyPair: $keyPair,\n"
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// " redeemScript: $redeemScript,\n"
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// "}";
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// }
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// }
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@ -1,5 +1,6 @@
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import 'dart:async';
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import 'dart:math';
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import 'dart:typed_data';
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import 'package:bip47/src/util.dart';
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import 'package:bitcoindart/bitcoindart.dart' as bitcoindart;
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@ -599,7 +600,7 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
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// final coinlib.Input input;
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final pubKey = keys.publicKey.data;
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final bitcoindart.PaymentData data;
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final bitcoindart.PaymentData? data;
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switch (sd.derivePathType) {
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case DerivePathType.bip44:
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@ -651,12 +652,20 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
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.data;
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break;
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case DerivePathType.bip86:
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data = null;
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break;
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default:
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throw Exception("DerivePathType unsupported");
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}
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// sd.output = input.script!.compiled;
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sd.output = data.output!;
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if (sd.derivePathType != DerivePathType.bip86) {
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sd.output = data!.output!;
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}
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sd.keyPair = bitcoindart.ECPair.fromPrivateKey(
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keys.privateKey.data,
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compressed: keys.privateKey.compressed,
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@ -680,57 +689,87 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
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Logging.instance
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.log("Starting buildTransaction ----------", level: LogLevel.Info);
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// TODO: use coinlib
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// Check if any txData.recipients are taproot/P2TR outputs.
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bool hasTaprootOutput = false;
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for (final recipient in txData.recipients!) {
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if (cryptoCurrency.addressType(address: recipient.address) ==
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DerivePathType.bip86) {
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hasTaprootOutput = true;
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}
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}
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if (hasTaprootOutput) {
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// Use Coinlib to construct taproot transaction.
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// TODO [prio=high]: Implement taproot transaction construction.
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}
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final txb = bitcoindart.TransactionBuilder(
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network: bitcoindart.NetworkType(
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messagePrefix: cryptoCurrency.networkParams.messagePrefix,
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bech32: cryptoCurrency.networkParams.bech32Hrp,
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bip32: bitcoindart.Bip32Type(
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public: cryptoCurrency.networkParams.pubHDPrefix,
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private: cryptoCurrency.networkParams.privHDPrefix,
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),
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pubKeyHash: cryptoCurrency.networkParams.p2pkhPrefix,
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scriptHash: cryptoCurrency.networkParams.p2shPrefix,
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wif: cryptoCurrency.networkParams.wifPrefix,
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),
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maximumFeeRate: maximumFeerate,
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);
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const version = 1; // TODO possibly override this for certain coins?
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txb.setVersion(version);
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// temp tx data to show in gui while waiting for real data from server
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final List<InputV2> tempInputs = [];
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final List<OutputV2> tempOutputs = [];
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final List<coinlib.Output> prevOuts = [];
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coinlib.Transaction clTx = coinlib.Transaction(
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version: 1, // TODO: check if we can use 3 (as is default in coinlib)
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inputs: [],
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outputs: [],
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);
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// Add transaction inputs
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for (var i = 0; i < utxoSigningData.length; i++) {
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final txid = utxoSigningData[i].utxo.txid;
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txb.addInput(
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txid,
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final hash = Uint8List.fromList(txid.fromHex.reversed.toList());
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final prevOutpoint = coinlib.OutPoint(
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hash,
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utxoSigningData[i].utxo.vout,
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null,
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utxoSigningData[i].output!,
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cryptoCurrency.networkParams.bech32Hrp,
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);
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final prevOutput = coinlib.Output.fromAddress(
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BigInt.from(utxoSigningData[i].utxo.value),
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coinlib.Address.fromString(
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utxoSigningData[i].utxo.address!,
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cryptoCurrency.networkParams,
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),
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);
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prevOuts.add(prevOutput);
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final coinlib.Input input;
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switch (utxoSigningData[i].derivePathType) {
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case DerivePathType.bip44:
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case DerivePathType.bch44:
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input = coinlib.P2PKHInput(
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prevOut: prevOutpoint,
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// publicKey: utxoSigningData[i].keyPair!.publicKey,
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publicKey: coinlib.ECPublicKey(
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utxoSigningData[i].keyPair!.publicKey,
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),
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sequence: 0xffffffff - 1,
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);
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// TODO: fix this as it is (probably) wrong!
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case DerivePathType.bip49:
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input = coinlib.P2SHMultisigInput(
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prevOut: prevOutpoint,
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program: coinlib.MultisigProgram.decompile(
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utxoSigningData[i].redeemScript!,
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),
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sequence: 0xffffffff - 1,
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);
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case DerivePathType.bip84:
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input = coinlib.P2WPKHInput(
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prevOut: prevOutpoint,
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// publicKey: utxoSigningData[i].keyPair!.publicKey,
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publicKey: coinlib.ECPublicKey(
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utxoSigningData[i].keyPair!.publicKey,
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),
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sequence: 0xffffffff - 1,
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);
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case DerivePathType.bip86:
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input = coinlib.TaprootKeyInput(prevOut: prevOutpoint);
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default:
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throw UnsupportedError(
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"Unknown derivation path type found: ${utxoSigningData[i].derivePathType}",
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);
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}
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clTx = clTx.addInput(input);
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tempInputs.add(
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InputV2.isarCantDoRequiredInDefaultConstructor(
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scriptSigHex: txb.inputs.first.script?.toHex,
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scriptSigHex: input.scriptSig.toHex,
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scriptSigAsm: null,
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sequence: 0xffffffff - 1,
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outpoint: OutpointV2.isarCantDoRequiredInDefaultConstructor(
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@ -751,12 +790,18 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
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// Add transaction output
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for (var i = 0; i < txData.recipients!.length; i++) {
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txb.addOutput(
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final address = coinlib.Address.fromString(
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normalizeAddress(txData.recipients![i].address),
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txData.recipients![i].amount.raw.toInt(),
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cryptoCurrency.networkParams.bech32Hrp,
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cryptoCurrency.networkParams,
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);
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final output = coinlib.Output.fromAddress(
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txData.recipients![i].amount.raw,
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address,
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);
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clTx = clTx.addOutput(output);
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tempOutputs.add(
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OutputV2.isarCantDoRequiredInDefaultConstructor(
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scriptPubKeyHex: "000000",
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@ -779,13 +824,37 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
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try {
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// Sign the transaction accordingly
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for (var i = 0; i < utxoSigningData.length; i++) {
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txb.sign(
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vin: i,
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keyPair: utxoSigningData[i].keyPair!,
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witnessValue: utxoSigningData[i].utxo.value,
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redeemScript: utxoSigningData[i].redeemScript,
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overridePrefix: cryptoCurrency.networkParams.bech32Hrp,
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final value = BigInt.from(utxoSigningData[i].utxo.value);
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coinlib.ECPrivateKey key = coinlib.ECPrivateKey(
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utxoSigningData[i].keyPair!.privateKey!,
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compressed: utxoSigningData[i].keyPair!.compressed,
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);
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if (clTx.inputs[i] is coinlib.TaprootKeyInput) {
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final taproot = coinlib.Taproot(
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internalKey: coinlib.ECPublicKey(
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utxoSigningData[i].keyPair!.publicKey,
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),
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);
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key = taproot.tweakPrivateKey(key);
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}
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clTx = clTx.sign(
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inputN: i,
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value: value,
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// key: utxoSigningData[i].keyPair!.privateKey,
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key: key,
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prevOuts: prevOuts,
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);
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// txb.sign(
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// vin: i,
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// keyPair: utxoSigningData[i].keyPair!,
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// witnessValue: utxoSigningData[i].utxo.value,
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// redeemScript: utxoSigningData[i].redeemScript,
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// overridePrefix: cryptoCurrency.networkParams.bech32Hrp,
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// );
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}
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} catch (e, s) {
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Logging.instance.log("Caught exception while signing transaction: $e\n$s",
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@ -793,22 +862,19 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
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rethrow;
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}
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final builtTx = txb.build(cryptoCurrency.networkParams.bech32Hrp);
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final vSize = builtTx.virtualSize();
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return txData.copyWith(
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raw: builtTx.toHex(),
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vSize: vSize,
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raw: clTx.toHex(),
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vSize: clTx.size,
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tempTx: TransactionV2(
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walletId: walletId,
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blockHash: null,
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hash: builtTx.getId(),
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txid: builtTx.getId(),
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hash: clTx.hashHex,
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txid: clTx.txid,
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height: null,
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timestamp: DateTime.timestamp().millisecondsSinceEpoch ~/ 1000,
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inputs: List.unmodifiable(tempInputs),
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outputs: List.unmodifiable(tempOutputs),
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version: version,
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version: clTx.version,
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type:
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tempOutputs.map((e) => e.walletOwns).fold(true, (p, e) => p &= e) &&
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txData.paynymAccountLite == null
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