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fossephate 2023-05-24 14:19:49 -04:00
parent 03d69d44ce
commit b6ace4ef27
2 changed files with 214 additions and 40 deletions
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3
.vscode/settings.json vendored Normal file
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@ -0,0 +1,3 @@
{
"dart.lineLength": 80,
}

251
lib/services/coins/nano/nano_wallet.dart
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@ -32,7 +32,8 @@ import 'package:stackwallet/models/isar/models/isar_models.dart';
const int MINIMUM_CONFIRMATIONS = 1;
class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlInterface {
class NanoWallet extends CoinServiceAPI
with WalletCache, WalletDB, CoinControlInterface {
NanoWallet({
required String walletId,
required String walletName,
@ -58,7 +59,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
);
@override
Future<String?> get mnemonicString => _secureStore.read(key: '${_walletId}_mnemonic');
Future<String?> get mnemonicString =>
_secureStore.read(key: '${_walletId}_mnemonic');
Future<String> getSeedFromMnemonic() async {
var mnemonic = await mnemonicString;
@ -74,8 +76,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
Future<String> getAddressFromMnemonic() async {
var mnemonic = await mnemonicString;
var seed = NanoMnemomics.mnemonicListToSeed(mnemonic!.split(' '));
var address =
NanoAccounts.createAccount(NanoAccountType.NANO, NanoKeys.createPublicKey(NanoKeys.seedToPrivate(seed, 0)));
var address = NanoAccounts.createAccount(NanoAccountType.NANO,
NanoKeys.createPublicKey(NanoKeys.seedToPrivate(seed, 0)));
return address;
}
@ -130,10 +132,10 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
Balance get balance => _balance ??= getCachedBalance();
Balance? _balance;
Future<String?> requestWork(String url, String hash) async {
Future<String?> requestWork(String hash) async {
return http
.post(
Uri.parse(url),
Uri.parse("https://rpc.nano.to"),
headers: {'Content-type': 'application/json'},
body: json.encode(
{
@ -144,7 +146,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
)
.then((http.Response response) {
if (response.statusCode == 200) {
final Map<String, dynamic> decoded = json.decode(response.body) as Map<String, dynamic>;
final Map<String, dynamic> decoded =
json.decode(response.body) as Map<String, dynamic>;
if (decoded.containsKey("error")) {
throw Exception("Received error ${decoded["error"]}");
}
@ -157,12 +160,14 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
@override
Future<String> confirmSend({required Map<String, dynamic> txData}) async {
try {
// our address:
final String publicAddress = await getAddressFromMnemonic();
// first get the account balance:
final balanceBody = jsonEncode({
"action": "account_balance",
"account": await getAddressFromMnemonic(),
"account": publicAddress,
});
final headers = {
"Content-Type": "application/json",
@ -174,7 +179,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
);
final balanceData = jsonDecode(balanceResponse.body);
final BigInt currentBalance = BigInt.parse(balanceData["balance"].toString());
final BigInt currentBalance =
BigInt.parse(balanceData["balance"].toString());
final BigInt txAmount = txData["recipientAmt"].raw as BigInt;
final BigInt balanceAfterTx = currentBalance - txAmount;
@ -182,7 +188,7 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
final infoBody = jsonEncode({
"action": "account_info",
"representative": "true",
"account": await getAddressFromMnemonic(),
"account": publicAddress,
});
final infoResponse = await http.post(
Uri.parse(getCurrentNode().host),
@ -190,12 +196,13 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
body: infoBody,
);
final String frontier = jsonDecode(infoResponse.body)["frontier"].toString();
final String representative = jsonDecode(infoResponse.body)["representative"].toString();
// our address:
final String publicAddress = await getAddressFromMnemonic();
final String frontier =
jsonDecode(infoResponse.body)["frontier"].toString();
final String representative =
jsonDecode(infoResponse.body)["representative"].toString();
// link = destination address:
final String link = NanoAccounts.extractPublicKey(txData["address"].toString());
final String link =
NanoAccounts.extractPublicKey(txData["address"].toString());
final String linkAsAccount = txData["address"].toString();
// construct the send block:
@ -221,7 +228,7 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
final String signature = NanoSignatures.signBlock(hash, privateKey);
// get PoW for the send block:
final String? work = await requestWork("https://rpc.nano.to", frontier);
final String? work = await requestWork(frontier);
if (work == null) {
throw Exception("Failed to get PoW for send block");
}
@ -251,7 +258,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
body: processBody,
);
final Map<String, dynamic> decoded = json.decode(processResponse.body) as Map<String, dynamic>;
final Map<String, dynamic> decoded =
json.decode(processResponse.body) as Map<String, dynamic>;
if (decoded.containsKey("error")) {
throw Exception("Received error ${decoded["error"]}");
}
@ -259,7 +267,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
// return the hash of the transaction:
return decoded["hash"].toString();
} catch (e, s) {
Logging.instance.log("Error sending transaction $e - $s", level: LogLevel.Error);
Logging.instance
.log("Error sending transaction $e - $s", level: LogLevel.Error);
rethrow;
}
}
@ -290,24 +299,170 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
final headers = {
"Content-Type": "application/json",
};
final response = await http.post(Uri.parse(getCurrentNode().host), headers: headers, body: body);
final response = await http.post(Uri.parse(getCurrentNode().host),
headers: headers, body: body);
final data = jsonDecode(response.body);
_balance = Balance(
total: Amount(
rawValue: (BigInt.parse(data["balance"].toString()) /*+ BigInt.parse(data["receivable"].toString())*/) ~/
rawValue: (BigInt.parse(data["balance"]
.toString()) /*+ BigInt.parse(data["receivable"].toString())*/) ~/
BigInt.from(10).pow(23),
fractionDigits: 7),
spendable: Amount(
rawValue: BigInt.parse(data["balance"].toString()) ~/
BigInt.from(10).pow(23),
fractionDigits: 7),
spendable:
Amount(rawValue: BigInt.parse(data["balance"].toString()) ~/ BigInt.from(10).pow(23), fractionDigits: 7),
blockedTotal: Amount(rawValue: BigInt.parse("0"), fractionDigits: 30),
pendingSpendable:
Amount(rawValue: BigInt.parse(data["receivable"].toString()) ~/ BigInt.from(10).pow(23), fractionDigits: 7),
pendingSpendable: Amount(
rawValue: BigInt.parse(data["receivable"].toString()) ~/
BigInt.from(10).pow(23),
fractionDigits: 7),
);
await updateCachedBalance(_balance!);
}
Future<void> receiveBlock(
String blockHash, String source, String amountRaw) async {
// our address:
final String publicAddress = await getAddressFromMnemonic();
// first get the account balance:
final balanceBody = jsonEncode({
"action": "account_balance",
"account": publicAddress,
});
final headers = {
"Content-Type": "application/json",
};
final balanceResponse = await http.post(
Uri.parse(getCurrentNode().host),
headers: headers,
body: balanceBody,
);
final balanceData = jsonDecode(balanceResponse.body);
final BigInt currentBalance =
BigInt.parse(balanceData["balance"].toString());
final BigInt txAmount = BigInt.parse(amountRaw);
final BigInt balanceAfterTx = currentBalance + txAmount;
// get the account info (we need the frontier and representative):
final infoBody = jsonEncode({
"action": "account_info",
"representative": "true",
"account": publicAddress,
});
final infoResponse = await http.post(
Uri.parse(getCurrentNode().host),
headers: headers,
body: infoBody,
);
final String frontier =
jsonDecode(infoResponse.body)["frontier"].toString();
final String representative =
jsonDecode(infoResponse.body)["representative"].toString();
// link = destination address:
final String link =
NanoAccounts.extractPublicKey(source);
final String linkAsAccount = source;
// construct the send block:
final Map<String, String> sendBlock = {
"type": "state",
"account": publicAddress,
"previous": frontier,
"representative": representative,
"balance": balanceAfterTx.toString(),
"link": link,
};
// sign the send block:
final String hash = NanoBlocks.computeStateHash(
NanoAccountType.NANO,
sendBlock["account"]!,
sendBlock["previous"]!,
sendBlock["representative"]!,
BigInt.parse(sendBlock["balance"]!),
sendBlock["link"]!,
);
final String privateKey = await getPrivateKeyFromMnemonic();
final String signature = NanoSignatures.signBlock(hash, privateKey);
// construct the receive block:
Map<String, String> receiveBlock = {
"type": "state",
"account": publicAddress,
"previous": frontier,
"representative": representative,
"balance": balanceAfterTx.toString(),
"link": link,
"link_as_account": linkAsAccount,
"signature": signature,
};
// sign the receive block:
// get PoW for the receive block:
final String? work = await requestWork(frontier);
if (work == null) {
throw Exception("Failed to get PoW for receive block");
}
receiveBlock["work"] = work;
// process the receive block:
final Map<String, String> finalReceiveBlock = {
"type": "state",
"account": publicAddress,
"previous": frontier,
"representative": representative,
"balance": balanceAfterTx.toString(),
"link": link,
"link_as_account": linkAsAccount,
"signature": signature,
"work": work,
};
final processBody = jsonEncode({
"action": "process",
"json_block": "true",
"subtype": "receive",
"block": finalReceiveBlock,
});
final processResponse = await http.post(
Uri.parse(getCurrentNode().host),
headers: headers,
body: processBody,
);
final Map<String, dynamic> decoded =
json.decode(processResponse.body) as Map<String, dynamic>;
if (decoded.containsKey("error")) {
throw Exception("Received error ${decoded["error"]}");
}
}
Future<void> confirmAllReceivable() async {
// TODO: Implement this function
final receivableResponse = await http.post(Uri.parse(getCurrentNode().host),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
"action": "receivable",
"account": await getAddressFromMnemonic(),
"count": "-1",
}));
final receivableData = await jsonDecode(receivableResponse.body);
final blocks = receivableData["blocks"] as Map<String, dynamic>;
// confirm all receivable blocks:
for (final blockHash in blocks.keys) {
final block = blocks[blockHash];
final String amountRaw = block["amount"] as String;
final String source = block["source"] as String;
await receiveBlock(blockHash, source, amountRaw);
}
}
Future<void> updateTransactions() async {
@ -333,7 +488,9 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
} else if (typeString == "receive") {
type = TransactionType.incoming;
}
var intAmount = int.parse((BigInt.parse(tx["amount"].toString()) ~/ BigInt.from(10).pow(23)).toString());
var intAmount = int.parse(
(BigInt.parse(tx["amount"].toString()) ~/ BigInt.from(10).pow(23))
.toString());
var strAmount = jsonEncode({
"raw": intAmount.toString(),
"fractionDigits": 7,
@ -363,7 +520,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
}
@override
Future<void> fullRescan(int maxUnusedAddressGap, int maxNumberOfIndexesToCheck) async {
Future<void> fullRescan(
int maxUnusedAddressGap, int maxNumberOfIndexesToCheck) async {
await _prefs.init();
await updateBalance();
await updateTransactions();
@ -387,7 +545,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
@override
Future<void> initializeNew() async {
if ((await mnemonicString) != null || (await mnemonicPassphrase) != null) {
throw Exception("Attempted to overwrite mnemonic on generate new wallet!");
throw Exception(
"Attempted to overwrite mnemonic on generate new wallet!");
}
await _prefs.init();
@ -404,7 +563,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
);
String privateKey = NanoKeys.seedToPrivate(seed, 0);
String publicKey = NanoKeys.createPublicKey(privateKey);
String publicAddress = NanoAccounts.createAccount(NanoAccountType.NANO, publicKey);
String publicAddress =
NanoAccounts.createAccount(NanoAccountType.NANO, publicKey);
final address = Address(
walletId: walletId,
@ -418,7 +578,8 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
await db.putAddress(address);
await Future.wait([updateCachedId(walletId), updateCachedIsFavorite(false)]);
await Future.wait(
[updateCachedId(walletId), updateCachedIsFavorite(false)]);
}
@override
@ -485,11 +646,13 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
required int maxNumberOfIndexesToCheck,
required int height}) async {
try {
if ((await mnemonicString) != null || (await this.mnemonicPassphrase) != null) {
if ((await mnemonicString) != null ||
(await this.mnemonicPassphrase) != null) {
throw Exception("Attempted to overwrite mnemonic on restore!");
}
await _secureStore.write(key: '${_walletId}_mnemonic', value: mnemonic.trim());
await _secureStore.write(
key: '${_walletId}_mnemonic', value: mnemonic.trim());
await _secureStore.write(
key: '${_walletId}_mnemonicPassphrase',
value: mnemonicPassphrase ?? "",
@ -498,21 +661,24 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
String seed = NanoMnemomics.mnemonicListToSeed(mnemonic.split(" "));
String privateKey = NanoKeys.seedToPrivate(seed, 0);
String publicKey = NanoKeys.createPublicKey(privateKey);
String publicAddress = NanoAccounts.createAccount(NanoAccountType.NANO, publicKey);
String publicAddress =
NanoAccounts.createAccount(NanoAccountType.NANO, publicKey);
final address = Address(
walletId: walletId,
value: publicAddress,
publicKey: [], // TODO: add public key
derivationIndex: 0,
derivationPath: DerivationPath()..value = "0/0", // TODO: Check if this is true
derivationPath: DerivationPath()
..value = "0/0", // TODO: Check if this is true
type: AddressType.unknown,
subType: AddressSubType.receiving,
);
await db.putAddress(address);
await Future.wait([updateCachedId(walletId), updateCachedIsFavorite(false)]);
await Future.wait(
[updateCachedId(walletId), updateCachedIsFavorite(false)]);
} catch (e) {
rethrow;
}
@ -530,13 +696,16 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
NodeModel getCurrentNode() {
return _xnoNode ??
NodeService(secureStorageInterface: _secureStore).getPrimaryNodeFor(coin: coin) ??
NodeService(secureStorageInterface: _secureStore)
.getPrimaryNodeFor(coin: coin) ??
DefaultNodes.getNodeFor(coin);
}
@override
Future<bool> testNetworkConnection() {
http.get(Uri.parse("${getCurrentNode().host}?action=version")).then((response) {
http
.get(Uri.parse("${getCurrentNode().host}?action=version"))
.then((response) {
if (response.statusCode == 200) {
return true;
}
@ -545,11 +714,13 @@ class NanoWallet extends CoinServiceAPI with WalletCache, WalletDB, CoinControlI
}
@override
Future<List<Transaction>> get transactions => db.getTransactions(walletId).findAll();
Future<List<Transaction>> get transactions =>
db.getTransactions(walletId).findAll();
@override
Future<void> updateNode(bool shouldRefresh) async {
_xnoNode = NodeService(secureStorageInterface: _secureStore).getPrimaryNodeFor(coin: coin) ??
_xnoNode = NodeService(secureStorageInterface: _secureStore)
.getPrimaryNodeFor(coin: coin) ??
DefaultNodes.getNodeFor(coin);
if (shouldRefresh) {