mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2025-01-10 20:54:33 +00:00
WIP spark spend
This commit is contained in:
julian
parent
6507ebd346
commit
b1e4627837
2 changed files with 295 additions and 11 deletions
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@ -55,6 +55,15 @@ class TxData {
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// tezos specific
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// tezos specific
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final tezart.OperationsList? tezosOperationsList;
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final tezart.OperationsList? tezosOperationsList;
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// firo spark specific
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final List<
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({
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String address,
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Amount amount,
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bool subtractFeeFromAmount,
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String memo,
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})>? sparkRecipients;
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TxData({
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TxData({
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this.feeRateType,
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this.feeRateType,
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this.feeRateAmount,
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this.feeRateAmount,
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@ -85,6 +94,7 @@ class TxData {
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this.txSubType,
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this.txSubType,
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this.mintsMapLelantus,
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this.mintsMapLelantus,
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this.tezosOperationsList,
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this.tezosOperationsList,
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this.sparkRecipients,
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});
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});
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Amount? get amount => recipients != null && recipients!.isNotEmpty
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Amount? get amount => recipients != null && recipients!.isNotEmpty
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@ -127,6 +137,14 @@ class TxData {
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TransactionSubType? txSubType,
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TransactionSubType? txSubType,
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List<Map<String, dynamic>>? mintsMapLelantus,
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List<Map<String, dynamic>>? mintsMapLelantus,
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tezart.OperationsList? tezosOperationsList,
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tezart.OperationsList? tezosOperationsList,
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List<
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({
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String address,
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Amount amount,
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bool subtractFeeFromAmount,
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String memo,
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})>?
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sparkRecipients,
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}) {
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}) {
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return TxData(
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return TxData(
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feeRateType: feeRateType ?? this.feeRateType,
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feeRateType: feeRateType ?? this.feeRateType,
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@ -159,6 +177,7 @@ class TxData {
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txSubType: txSubType ?? this.txSubType,
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txSubType: txSubType ?? this.txSubType,
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mintsMapLelantus: mintsMapLelantus ?? this.mintsMapLelantus,
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mintsMapLelantus: mintsMapLelantus ?? this.mintsMapLelantus,
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tezosOperationsList: tezosOperationsList ?? this.tezosOperationsList,
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tezosOperationsList: tezosOperationsList ?? this.tezosOperationsList,
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sparkRecipients: sparkRecipients ?? this.sparkRecipients,
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);
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);
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}
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}
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@ -193,5 +212,6 @@ class TxData {
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'txSubType: $txSubType, '
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'txSubType: $txSubType, '
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'mintsMapLelantus: $mintsMapLelantus, '
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'mintsMapLelantus: $mintsMapLelantus, '
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'tezosOperationsList: $tezosOperationsList, '
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'tezosOperationsList: $tezosOperationsList, '
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'sparkRecipients: $sparkRecipients, '
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'}';
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'}';
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}
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}
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@ -1,6 +1,8 @@
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import 'dart:convert';
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import 'dart:convert';
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import 'dart:typed_data';
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import 'dart:typed_data';
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import 'package:bitcoindart/bitcoindart.dart' as btc;
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import 'package:bitcoindart/src/utils/script.dart' as bscript;
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import 'package:flutter_libsparkmobile/flutter_libsparkmobile.dart';
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import 'package:flutter_libsparkmobile/flutter_libsparkmobile.dart';
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import 'package:isar/isar.dart';
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import 'package:isar/isar.dart';
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import 'package:stackwallet/models/isar/models/blockchain_data/address.dart';
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import 'package:stackwallet/models/isar/models/blockchain_data/address.dart';
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@ -57,15 +59,6 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
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.findFirst();
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.findFirst();
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}
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}
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Future<Uint8List> _getSpendKey() async {
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final mnemonic = await getMnemonic();
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final mnemonicPassphrase = await getMnemonicPassphrase();
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// TODO call ffi lib to generate spend key
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throw UnimplementedError();
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}
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Future<Address> generateNextSparkAddress() async {
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Future<Address> generateNextSparkAddress() async {
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final highestStoredDiversifier =
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final highestStoredDiversifier =
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(await getCurrentReceivingSparkAddress())?.derivationIndex;
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(await getCurrentReceivingSparkAddress())?.derivationIndex;
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@ -111,11 +104,46 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
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Future<TxData> prepareSendSpark({
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Future<TxData> prepareSendSpark({
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required TxData txData,
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required TxData txData,
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}) async {
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}) async {
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// todo fetch
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final List<Uint8List> serializedMintMetas = [];
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final List<LibSparkCoin> myCoins = [];
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final currentId = await electrumXClient.getSparkLatestCoinId();
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final List<Map<String, dynamic>> setMaps = [];
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for (int i = 0; i <= currentId; i++) {
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final set = await electrumXClient.getSparkAnonymitySet(
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coinGroupId: i.toString(),
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);
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set["coinGroupID"] = i;
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setMaps.add(set);
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}
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final allAnonymitySets = setMaps
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.map((e) => (
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setId: e["coinGroupID"] as int,
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setHash: e["setHash"] as String,
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set: (e["coins"] as List)
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.map((e) => (
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serializedCoin: e[0] as String,
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txHash: e[1] as String,
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))
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.toList(),
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))
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.toList();
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// https://docs.google.com/document/d/1RG52GoYTZDvKlZz_3G4sQu-PpT6JWSZGHLNswWcrE3o/edit
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// https://docs.google.com/document/d/1RG52GoYTZDvKlZz_3G4sQu-PpT6JWSZGHLNswWcrE3o/edit
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// To generate a spark spend we need to call createSparkSpendTransaction,
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// To generate a spark spend we need to call createSparkSpendTransaction,
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// first unlock the wallet and generate all 3 spark keys,
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// first unlock the wallet and generate all 3 spark keys,
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final spendKey = await _getSpendKey();
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const index = 1;
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final root = await getRootHDNode();
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final String derivationPath;
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if (cryptoCurrency.network == CryptoCurrencyNetwork.test) {
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derivationPath = "$kSparkBaseDerivationPathTestnet$index";
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} else {
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derivationPath = "$kSparkBaseDerivationPath$index";
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}
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final privateKey = root.derivePath(derivationPath).privateKey.data;
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//
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//
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// recipients is a list of pairs of amounts and bools, this is for transparent
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// recipients is a list of pairs of amounts and bools, this is for transparent
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// outputs, first how much to send and second, subtractFeeFromAmount argument
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// outputs, first how much to send and second, subtractFeeFromAmount argument
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@ -144,7 +172,227 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
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// outputScripts is a output data, it is a list of scripts, which we need
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// outputScripts is a output data, it is a list of scripts, which we need
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// to put in separate tx outputs, and keep the order,
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// to put in separate tx outputs, and keep the order,
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throw UnimplementedError();
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// Amount vOut = Amount(
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// rawValue: BigInt.zero, fractionDigits: cryptoCurrency.fractionDigits);
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// Amount mintVOut = Amount(
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// rawValue: BigInt.zero, fractionDigits: cryptoCurrency.fractionDigits);
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// int recipientsToSubtractFee = 0;
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//
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// for (int i = 0; i < (txData.recipients?.length ?? 0); i++) {
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// vOut += txData.recipients![i].amount;
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// }
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//
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// if (vOut.raw > BigInt.from(SPARK_VALUE_SPEND_LIMIT_PER_TRANSACTION)) {
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// throw Exception(
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// "Spend to transparent address limit exceeded (10,000 Firo per transaction).",
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// );
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// }
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//
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// for (int i = 0; i < (txData.sparkRecipients?.length ?? 0); i++) {
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// mintVOut += txData.sparkRecipients![i].amount;
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// if (txData.sparkRecipients![i].subtractFeeFromAmount) {
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// recipientsToSubtractFee++;
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// }
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// }
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//
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// int fee;
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final txb = btc.TransactionBuilder(
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network: btc.NetworkType(
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messagePrefix: cryptoCurrency.networkParams.messagePrefix,
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bech32: cryptoCurrency.networkParams.bech32Hrp,
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bip32: btc.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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);
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txb.setLockTime(await chainHeight);
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txb.setVersion(3 | (9 << 16));
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// final estimated = LibSpark.selectSparkCoins(
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// requiredAmount: mintVOut.raw.toInt(),
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// subtractFeeFromAmount: recipientsToSubtractFee > 0,
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// coins: myCoins,
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// privateRecipientsCount: txData.sparkRecipients?.length ?? 0,
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// );
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//
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// fee = estimated.fee;
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// bool remainderSubtracted = false;
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// for (int i = 0; i < (txData.recipients?.length ?? 0); i++) {
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//
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//
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// if (recipient.fSubtractFeeFromAmount) {
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// // Subtract fee equally from each selected recipient.
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// recipient.nAmount -= fee / recipientsToSubtractFee;
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//
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// if (!remainderSubtracted) {
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// // First receiver pays the remainder not divisible by output count.
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// recipient.nAmount -= fee % recipientsToSubtractFee;
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// remainderSubtracted = true;
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// }
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// }
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// }
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// outputs
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// for (int i = 0; i < (txData.sparkRecipients?.length ?? 0); i++) {
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// if (txData.sparkRecipients![i].subtractFeeFromAmount) {
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// BigInt amount = txData.sparkRecipients![i].amount.raw;
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//
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// // Subtract fee equally from each selected recipient.
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// amount -= BigInt.from(fee / recipientsToSubtractFee);
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//
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// if (!remainderSubtracted) {
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// // First receiver pays the remainder not divisible by output count.
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// amount -= BigInt.from(fee % recipientsToSubtractFee);
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// remainderSubtracted = true;
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// }
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//
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// txData.sparkRecipients![i] = (
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// address: txData.sparkRecipients![i].address,
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// amount: Amount(
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// rawValue: amount,
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// fractionDigits: cryptoCurrency.fractionDigits,
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// ),
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// subtractFeeFromAmount:
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// txData.sparkRecipients![i].subtractFeeFromAmount,
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// memo: txData.sparkRecipients![i].memo,
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// );
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// }
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// }
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//
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// int spendInCurrentTx = 0;
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// for (final spendCoin in estimated.coins) {
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// spendInCurrentTx += spendCoin.value?.toInt() ?? 0;
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// }
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// spendInCurrentTx -= fee;
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//
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// int transparentOut = 0;
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for (int i = 0; i < (txData.recipients?.length ?? 0); i++) {
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if (txData.recipients![i].amount.raw == BigInt.zero) {
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continue;
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}
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if (txData.recipients![i].amount < cryptoCurrency.dustLimit) {
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throw Exception("Output below dust limit");
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}
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//
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// transparentOut += txData.recipients![i].amount.raw.toInt();
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txb.addOutput(
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txData.recipients![i].address,
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txData.recipients![i].amount.raw.toInt(),
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);
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}
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// // spendInCurrentTx -= transparentOut;
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// final List<({String address, int amount, String memo})> privOutputs = [];
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//
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// for (int i = 0; i < (txData.sparkRecipients?.length ?? 0); i++) {
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// if (txData.sparkRecipients![i].amount.raw == BigInt.zero) {
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// continue;
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// }
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//
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// final recipientAmount = txData.sparkRecipients![i].amount.raw.toInt();
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// // spendInCurrentTx -= recipientAmount;
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//
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// privOutputs.add(
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// (
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// address: txData.sparkRecipients![i].address,
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// amount: recipientAmount,
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// memo: txData.sparkRecipients![i].memo,
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// ),
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// );
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// }
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// if (spendInCurrentTx < 0) {
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// throw Exception("Unable to create spend transaction.");
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// }
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//
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// if (privOutputs.isEmpty || spendInCurrentTx > 0) {
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// final changeAddress = await LibSpark.getAddress(
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// privateKey: privateKey,
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// index: index,
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// diversifier: kSparkChange,
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// );
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//
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// privOutputs.add(
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// (
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// address: changeAddress,
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// amount: spendInCurrentTx > 0 ? spendInCurrentTx : 0,
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// memo: "",
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// ),
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// );
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// }
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// inputs
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final opReturnScript = bscript.compile([
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0xd3, // OP_SPARKSPEND
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Uint8List(0),
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]);
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txb.addInput(
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'0000000000000000000000000000000000000000000000000000000000000000',
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0xffffffff,
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0xffffffff,
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opReturnScript,
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);
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// final sig = extractedTx.getId();
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// for (final coin in estimated.coins) {
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// final groupId = coin.id!;
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// }
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final spend = LibSpark.createSparkSendTransaction(
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privateKeyHex: privateKey.toHex,
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index: index,
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recipients: [],
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privateRecipients: txData.sparkRecipients
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?.map((e) => (
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sparkAddress: e.address,
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amount: e.amount.raw.toInt(),
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subtractFeeFromAmount: e.subtractFeeFromAmount,
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memo: e.memo,
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))
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.toList() ??
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[],
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serializedMintMetas: serializedMintMetas,
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allAnonymitySets: allAnonymitySets,
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);
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print("SPARK SPEND ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
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print("fee: ${spend.fee}");
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print("spend: ${spend.serializedSpendPayload}");
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print("scripts:");
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spend.outputScripts.forEach(print);
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print("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
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for (final outputScript in spend.outputScripts) {
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txb.addOutput(outputScript, 0);
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}
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final extractedTx = txb.buildIncomplete();
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// TODO: verify encoding
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extractedTx.setPayload(spend.serializedSpendPayload.toUint8ListFromUtf8);
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final rawTxHex = extractedTx.toHex();
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return txData.copyWith(
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raw: rawTxHex,
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vSize: extractedTx.virtualSize(),
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fee: Amount(
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rawValue: BigInt.from(spend.fee),
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fractionDigits: cryptoCurrency.fractionDigits,
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),
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// TODO used coins
|
||||||
|
);
|
||||||
}
|
}
|
||||||
|
|
||||||
// this may not be needed for either mints or spends or both
|
// this may not be needed for either mints or spends or both
|
||||||
|
|
@ -247,6 +495,8 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
print("FOUND COINS: $myCoins");
|
||||||
|
|
||||||
// update wallet spark coins in isar
|
// update wallet spark coins in isar
|
||||||
if (myCoins.isNotEmpty) {
|
if (myCoins.isNotEmpty) {
|
||||||
await mainDB.isar.writeTxn(() async {
|
await mainDB.isar.writeTxn(() async {
|
||||||
|
|
@ -256,6 +506,20 @@ mixin SparkInterface on Bip39HDWallet, ElectrumXInterface {
|
||||||
|
|
||||||
// refresh spark balance?
|
// refresh spark balance?
|
||||||
|
|
||||||
|
await prepareSendSpark(
|
||||||
|
txData: TxData(
|
||||||
|
sparkRecipients: [
|
||||||
|
(
|
||||||
|
address: (await getCurrentReceivingSparkAddress())!.value,
|
||||||
|
amount: Amount(
|
||||||
|
rawValue: BigInt.from(100000000),
|
||||||
|
fractionDigits: cryptoCurrency.fractionDigits),
|
||||||
|
subtractFeeFromAmount: true,
|
||||||
|
memo: "LOL MEMO OPK",
|
||||||
|
),
|
||||||
|
],
|
||||||
|
));
|
||||||
|
|
||||||
throw UnimplementedError();
|
throw UnimplementedError();
|
||||||
} catch (e, s) {
|
} catch (e, s) {
|
||||||
// todo logging
|
// todo logging
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue