mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2025-01-11 05:04:35 +00:00
add mutex to libepiccash
This commit is contained in:
ryleedavis
parent
bde7af7b45
commit
4632659e21
1 changed files with 191 additions and 170 deletions
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@ -13,6 +13,7 @@ import 'package:stackwallet/models/isar/models/blockchain_data/epic_transaction.
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///
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abstract class LibEpiccash {
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static final Mutex _mutex = Mutex();
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static final Mutex m = Mutex();
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///
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/// Check if [address] is a valid epiccash address according to libepiccash
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@ -36,6 +37,7 @@ abstract class LibEpiccash {
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// TODO: ensure the above documentation comment is correct
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// TODO: ensure this will always return the mnemonic. If not, this function should throw an exception
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//Function is used in _getMnemonicList()
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// wrap in mutex? -> would need to be Future<String>
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static String getMnemonic() {
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try {
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String mnemonic = lib_epiccash.walletMnemonic();
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@ -77,19 +79,21 @@ abstract class LibEpiccash {
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required String password,
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required String name,
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}) async {
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try {
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return await compute(
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_initializeWalletWrapper,
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(
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config: config,
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mnemonic: mnemonic,
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password: password,
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name: name,
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),
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);
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} catch (e) {
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throw ("Error creating new wallet : ${e.toString()}");
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}
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return await m.protect(() async {
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try {
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return await compute(
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_initializeWalletWrapper,
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(
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config: config,
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mnemonic: mnemonic,
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password: password,
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name: name,
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),
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);
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} catch (e) {
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throw ("Error creating new wallet : ${e.toString()}");
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}
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});
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}
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///
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@ -116,34 +120,36 @@ abstract class LibEpiccash {
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{required String wallet,
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required int refreshFromNode,
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required int minimumConfirmations}) async {
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try {
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String balances = await compute(_walletBalancesWrapper, (
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wallet: wallet,
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refreshFromNode: refreshFromNode,
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minimumConfirmations: minimumConfirmations,
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));
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return await m.protect(() async {
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try {
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String balances = await compute(_walletBalancesWrapper, (
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wallet: wallet,
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refreshFromNode: refreshFromNode,
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minimumConfirmations: minimumConfirmations,
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));
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//If balances is valid json return, else return error
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if (balances.toUpperCase().contains("ERROR")) {
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throw Exception(balances);
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//If balances is valid json return, else return error
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if (balances.toUpperCase().contains("ERROR")) {
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throw Exception(balances);
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}
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var jsonBalances = json.decode(balances);
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//Return balances as record
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({
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double spendable,
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double pending,
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double total,
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double awaitingFinalization
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}) balancesRecord = (
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spendable: jsonBalances['amount_currently_spendable'],
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pending: jsonBalances['amount_awaiting_finalization'],
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total: jsonBalances['total'],
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awaitingFinalization: jsonBalances['amount_awaiting_finalization'],
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);
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return balancesRecord;
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} catch (e) {
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throw ("Error getting wallet info : ${e.toString()}");
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}
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var jsonBalances = json.decode(balances);
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//Return balances as record
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({
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double spendable,
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double pending,
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double total,
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double awaitingFinalization
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}) balancesRecord = (
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spendable: jsonBalances['amount_currently_spendable'],
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pending: jsonBalances['amount_awaiting_finalization'],
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total: jsonBalances['total'],
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awaitingFinalization: jsonBalances['amount_awaiting_finalization'],
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);
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return balancesRecord;
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} catch (e) {
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throw ("Error getting wallet info : ${e.toString()}");
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}
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});
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}
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///
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@ -167,15 +173,17 @@ abstract class LibEpiccash {
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required int startHeight,
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required int numberOfBlocks,
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}) async {
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try {
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return await compute(_scanOutputsWrapper, (
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wallet: wallet,
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startHeight: startHeight,
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numberOfBlocks: numberOfBlocks,
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));
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} catch (e) {
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throw ("Error getting scanning outputs : ${e.toString()}");
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}
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return await m.protect(() async {
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try {
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return await compute(_scanOutputsWrapper, (
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wallet: wallet,
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startHeight: startHeight,
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numberOfBlocks: numberOfBlocks,
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));
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} catch (e) {
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throw ("Error getting scanning outputs : ${e.toString()}");
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}
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});
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}
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///
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@ -214,36 +222,38 @@ abstract class LibEpiccash {
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required int minimumConfirmations,
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required String note,
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}) async {
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try {
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String result = await compute(_createTransactionWrapper, (
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wallet: wallet,
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amount: amount,
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address: address,
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secretKeyIndex: secretKeyIndex,
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epicboxConfig: epicboxConfig,
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minimumConfirmations: minimumConfirmations,
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note: note,
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));
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return await m.protect(() async {
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try {
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String result = await compute(_createTransactionWrapper, (
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wallet: wallet,
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amount: amount,
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address: address,
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secretKeyIndex: secretKeyIndex,
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epicboxConfig: epicboxConfig,
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minimumConfirmations: minimumConfirmations,
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note: note,
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));
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if (result.toUpperCase().contains("ERROR")) {
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throw Exception("Error creating transaction ${result.toString()}");
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if (result.toUpperCase().contains("ERROR")) {
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throw Exception("Error creating transaction ${result.toString()}");
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}
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//Decode sent tx and return Slate Id
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final slate0 = jsonDecode(result);
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final slate = jsonDecode(slate0[0] as String);
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final part1 = jsonDecode(slate[0] as String);
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final part2 = jsonDecode(slate[1] as String);
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({String slateId, String commitId}) data = (
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slateId: part1[0]['tx_slate_id'],
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commitId: part2['tx']['body']['outputs'][0]['commit'],
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);
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return data;
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} catch (e) {
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throw ("Error creating epic transaction : ${e.toString()}");
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}
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//Decode sent tx and return Slate Id
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final slate0 = jsonDecode(result);
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final slate = jsonDecode(slate0[0] as String);
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final part1 = jsonDecode(slate[0] as String);
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final part2 = jsonDecode(slate[1] as String);
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({String slateId, String commitId}) data = (
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slateId: part1[0]['tx_slate_id'],
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commitId: part2['tx']['body']['outputs'][0]['commit'],
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);
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return data;
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} catch (e) {
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throw ("Error creating epic transaction : ${e.toString()}");
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}
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});
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}
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///
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@ -268,28 +278,31 @@ abstract class LibEpiccash {
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required String wallet,
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required int refreshFromNode,
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}) async {
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try {
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var result = await compute(_getTransactionsWrapper, (
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wallet: wallet,
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refreshFromNode: refreshFromNode,
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));
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return await m.protect(() async {
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try {
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var result = await compute(_getTransactionsWrapper, (
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wallet: wallet,
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refreshFromNode: refreshFromNode,
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));
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if (result.toUpperCase().contains("ERROR")) {
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throw Exception("Error getting epic transactions ${result.toString()}");
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if (result.toUpperCase().contains("ERROR")) {
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throw Exception(
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"Error getting epic transactions ${result.toString()}");
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}
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//Parse the returned data as an EpicTransaction
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List<EpicTransaction> finalResult = [];
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var jsonResult = json.decode(result) as List;
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for (var tx in jsonResult) {
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EpicTransaction itemTx = EpicTransaction.fromJson(tx);
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finalResult.add(itemTx);
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}
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return finalResult;
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} catch (e) {
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throw ("Error getting epic transactions : ${e.toString()}");
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}
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//Parse the returned data as an EpicTransaction
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List<EpicTransaction> finalResult = [];
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var jsonResult = json.decode(result) as List;
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for (var tx in jsonResult) {
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EpicTransaction itemTx = EpicTransaction.fromJson(tx);
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finalResult.add(itemTx);
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}
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return finalResult;
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} catch (e) {
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throw ("Error getting epic transactions : ${e.toString()}");
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}
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});
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}
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///
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@ -315,14 +328,16 @@ abstract class LibEpiccash {
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required String wallet,
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required String transactionId,
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}) async {
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try {
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return await compute(_cancelTransactionWrapper, (
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wallet: wallet,
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transactionId: transactionId,
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));
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} catch (e) {
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throw ("Error canceling epic transaction : ${e.toString()}");
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}
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return await m.protect(() async {
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try {
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return await compute(_cancelTransactionWrapper, (
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wallet: wallet,
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transactionId: transactionId,
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));
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} catch (e) {
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throw ("Error canceling epic transaction : ${e.toString()}");
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}
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});
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}
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static Future<int> _chainHeightWrapper(
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@ -336,11 +351,13 @@ abstract class LibEpiccash {
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static Future<int> getChainHeight({
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required String config,
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}) async {
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try {
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return await compute(_chainHeightWrapper, (config: config,));
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} catch (e) {
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throw ("Error getting chain height : ${e.toString()}");
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}
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return await m.protect(() async {
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try {
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return await compute(_chainHeightWrapper, (config: config,));
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} catch (e) {
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throw ("Error getting chain height : ${e.toString()}");
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}
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});
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}
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///
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@ -368,15 +385,17 @@ abstract class LibEpiccash {
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required int index,
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required String epicboxConfig,
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}) async {
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try {
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return await compute(_addressInfoWrapper, (
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wallet: wallet,
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index: index,
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epicboxConfig: epicboxConfig,
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));
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} catch (e) {
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throw ("Error getting address info : ${e.toString()}");
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}
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return await m.protect(() async {
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try {
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return await compute(_addressInfoWrapper, (
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wallet: wallet,
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index: index,
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epicboxConfig: epicboxConfig,
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));
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} catch (e) {
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throw ("Error getting address info : ${e.toString()}");
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}
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});
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}
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///
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@ -406,64 +425,66 @@ abstract class LibEpiccash {
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required int minimumConfirmations,
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required int available,
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}) async {
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try {
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String fees = await compute(_transactionFeesWrapper, (
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wallet: wallet,
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amount: amount,
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minimumConfirmations: minimumConfirmations,
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));
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return await m.protect(() async {
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try {
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String fees = await compute(_transactionFeesWrapper, (
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wallet: wallet,
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amount: amount,
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minimumConfirmations: minimumConfirmations,
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));
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if (available == amount) {
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if (fees.contains("Required")) {
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var splits = fees.split(" ");
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Decimal required = Decimal.zero;
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Decimal available = Decimal.zero;
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for (int i = 0; i < splits.length; i++) {
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var word = splits[i];
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if (word == "Required:") {
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required = Decimal.parse(splits[i + 1].replaceAll(",", ""));
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} else if (word == "Available:") {
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available = Decimal.parse(splits[i + 1].replaceAll(",", ""));
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if (available == amount) {
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if (fees.contains("Required")) {
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var splits = fees.split(" ");
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Decimal required = Decimal.zero;
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Decimal available = Decimal.zero;
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for (int i = 0; i < splits.length; i++) {
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var word = splits[i];
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if (word == "Required:") {
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required = Decimal.parse(splits[i + 1].replaceAll(",", ""));
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} else if (word == "Available:") {
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available = Decimal.parse(splits[i + 1].replaceAll(",", ""));
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}
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}
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int largestSatoshiFee =
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((required - available) * Decimal.fromInt(100000000))
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.toBigInt()
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.toInt();
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var amountSending = amount - largestSatoshiFee;
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//Get fees for this new amount
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({
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String wallet,
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int amount,
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}) data = (wallet: wallet, amount: amountSending);
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fees = await compute(_transactionFeesWrapper, (
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wallet: wallet,
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amount: amountSending,
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minimumConfirmations: minimumConfirmations,
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));
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}
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int largestSatoshiFee =
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((required - available) * Decimal.fromInt(100000000))
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.toBigInt()
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.toInt();
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var amountSending = amount - largestSatoshiFee;
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//Get fees for this new amount
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({
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String wallet,
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int amount,
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}) data = (wallet: wallet, amount: amountSending);
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fees = await compute(_transactionFeesWrapper, (
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wallet: wallet,
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amount: amountSending,
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minimumConfirmations: minimumConfirmations,
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));
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}
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}
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if (fees.toUpperCase().contains("ERROR")) {
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//Check if the error is an
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//Throw the returned error
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throw Exception(fees);
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if (fees.toUpperCase().contains("ERROR")) {
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//Check if the error is an
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//Throw the returned error
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throw Exception(fees);
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}
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var decodedFees = json.decode(fees);
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var feeItem = decodedFees[0];
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({
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bool strategyUseAll,
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int total,
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int fee,
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}) feeRecord = (
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strategyUseAll: feeItem['selection_strategy_is_use_all'],
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total: feeItem['total'],
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fee: feeItem['fee'],
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);
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return feeRecord;
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} catch (e) {
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throw (e.toString());
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}
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var decodedFees = json.decode(fees);
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var feeItem = decodedFees[0];
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({
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bool strategyUseAll,
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int total,
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int fee,
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}) feeRecord = (
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strategyUseAll: feeItem['selection_strategy_is_use_all'],
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total: feeItem['total'],
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fee: feeItem['fee'],
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);
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return feeRecord;
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} catch (e) {
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throw (e.toString());
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}
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});
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}
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///
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