/// <summary>
/// Gets the block.
/// </summary>
/// <param name="blockId">The block identifier.</param>
/// <returns>Given a block hash (id) returns the requested block object.</returns>
/// <exception cref="System.ArgumentNullException">blockId cannot be null.</exception>
public async Task<Block> GetBlockAsync(uint256 blockId)
{
if (blockId == null) throw new ArgumentNullException("blockId");
var result = await SendRequestAsync("block", _format, blockId.ToString()).ConfigureAwait(false); ;
return new Block(result);
}
public Coins GetCoins(uint256 txId)
{
try
{
return Index.GetAsync<Coins>(txId.ToString()).Result;
}
catch(AggregateException aex)
{
ExceptionDispatchInfo.Capture(aex.InnerException).Throw();
return null; //Can't happen
}
}
public void uintTests()
{
var v = new uint256("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
var v2 = new uint256("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
var vless = new uint256("00000000fffffffffffffffffffffffffffffffffffffffffffffffffffffffe");
var vplus = new uint256("00000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
Assert.Equal("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff", v.ToString());
Assert.Equal(new uint256("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"), v);
Assert.Equal(new uint256("0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"), v);
Assert.Equal(uint256.Parse("0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"), v);
Assert.True(v < vplus);
Assert.True(v > vless);
uint256 unused;
Assert.True(uint256.TryParse("0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff", out unused));
Assert.True(uint256.TryParse("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff", out unused));
Assert.True(uint256.TryParse("00000000ffffFFfFffffffffffffffffffffffffffffffffffffffffffffffff", out unused));
Assert.False(uint256.TryParse("00000000gfffffffffffffffffffffffffffffffffffffffffffffffffffffff", out unused));
Assert.False(uint256.TryParse("100000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff", out unused));
Assert.False(uint256.TryParse("1100000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff", out unused));
Assert.Throws<FormatException>(() => uint256.Parse("1100000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
Assert.Throws<FormatException>(() => uint256.Parse("100000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
uint256.Parse("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
Assert.Throws<FormatException>(() => uint256.Parse("000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
Assert.True(v >= v2);
Assert.True(v <= v2);
Assert.False(v < v2);
Assert.False(v > v2);
Assert.True(v.ToBytes()[0] == 0xFF);
Assert.True(v.ToBytes(false)[0] == 0x00);
AssertEquals(v, new uint256(v.ToBytes()));
AssertEquals(v, new uint256(v.ToBytes(false), false));
Assert.Equal(0xFF, v.GetByte(0));
Assert.Equal(0x00, v.GetByte(31));
Assert.Equal(0x39, new uint256("39000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffff").GetByte(31));
Assert.Throws<ArgumentOutOfRangeException>(() => v.GetByte(32));
}
public async Task GetRawTransactionAsync_TransactionCannotBeFound_ReturnsNullAsync()
{
var txId = new uint256(12142124);
this.pooledTransaction.Setup(p => p.GetTransaction(txId))
.ReturnsAsync((Transaction)null)
.Verifiable();
this.blockStore.Setup(b => b.GetTransactionById(txId))
.Returns((Transaction)null)
.Verifiable();
this.controller = new NodeController(this.chainIndexer, this.chainState.Object,
this.connectionManager.Object, this.dateTimeProvider.Object, this.fullNode.Object,
this.LoggerFactory.Object, this.nodeSettings, this.network, this.asyncProvider.Object, this.selfEndpointTracker.Object, this.consensusManager.Object, this.blockStore.Object, this.initialBlockDownloadState.Object,
this.getUnspentTransaction.Object, this.networkDifficulty.Object, this.pooledGetUnspentTransaction.Object, this.pooledTransaction.Object);
string txid = txId.ToString();
bool verbose = false;
var json = (JsonResult)await this.controller.GetRawTransactionAsync(txid, verbose).ConfigureAwait(false);
Assert.Null(json.Value);
this.pooledTransaction.Verify();
this.blockStore.Verify();
}
/// <summary>
/// Get the a whole block, will fail if bitcoinq does not run with txindex=1 and one of the transaction of the block is entirely spent
/// </summary>
/// <param name="blockId"></param>
/// <returns></returns>
public Block GetBlock(uint256 blockId)
{
var resp = SendCommand("getblock", blockId.ToString());
var header = ParseBlockHeader(resp);
Block block = new Block(header);
var transactions = resp.Result["tx"] as JArray;
try
{
foreach (var tx in transactions)
{
block.AddTransaction(GetRawTransaction(new uint256(tx.ToString())));
}
}
catch (RPCException ex)
{
if (ex.RPCCode == RPCErrorCode.RPC_INVALID_ADDRESS_OR_KEY)
{
return(null);
}
throw;
}
return(block);
}
public async Task GetTxOutAsync_IncludeInMempool_UnspentTransactionFound_VOutNotFound_ReturnsModelAsync()
{
var txId = new uint256(1243124);
Transaction transaction = this.CreateTransaction();
var unspentOutputs = new UnspentOutputs(1, transaction);
this.pooledGetUnspentTransaction.Setup(s => s.GetUnspentTransactionAsync(txId))
.ReturnsAsync(unspentOutputs)
.Verifiable();
string txid = txId.ToString();
uint vout = 13;
bool includeMemPool = true;
var json = (JsonResult)await this.controller.GetTxOutAsync(txid, vout, includeMemPool).ConfigureAwait(false);
var resultModel = (GetTxOutModel)json.Value;
this.pooledGetUnspentTransaction.Verify();
Assert.Equal(this.chain.Tip.HashBlock, resultModel.BestBlock);
Assert.True(resultModel.Coinbase);
Assert.Equal(3, resultModel.Confirmations);
Assert.Null(resultModel.ScriptPubKey);
Assert.Null(resultModel.Value);
}
public async Task GetTaskAsync_Verbose_ChainStateTipNull_DoesNotCalulateConfirmationsAsync()
{
var block = this.chain.GetBlock(1);
Transaction transaction = this.CreateTransaction();
uint256 txId = new uint256(12142124);
this.pooledTransaction.Setup(p => p.GetTransaction(txId))
.ReturnsAsync(transaction);
var blockStore = new Mock <IBlockStore>();
blockStore.Setup(b => b.GetTrxBlockIdAsync(txId))
.ReturnsAsync(block.HashBlock);
this.fullNode.Setup(f => f.NodeFeature <IBlockStore>(false))
.Returns(blockStore.Object);
var result = await this.controller.GetRawTransactionAsync(txId.ToString(), 1).ConfigureAwait(false);
Assert.NotNull(result);
var model = Assert.IsType <TransactionVerboseModel>(result);
Assert.Null(model.Confirmations);
}
/// <summary>
/// Get the a whole block
/// </summary>
/// <param name="blockId"></param>
/// <returns></returns>
public async Task<Block> GetBlockAsync(uint256 blockId)
{
var resp = await SendCommandAsync("getblock", blockId.ToString(), false).ConfigureAwait(false);
return new Block(Encoders.Hex.DecodeData(resp.Result.ToString()));
}
private async void Round_StatusChangedAsync(object sender, CoordinatorRoundStatus status)
{
try
{
var round = sender as CoordinatorRound;
Money feePerInputs = null;
Money feePerOutputs = null;
// If success save the coinjoin.
if (status == CoordinatorRoundStatus.Succeded)
{
uint256[] mempoolHashes = null;
try
{
mempoolHashes = await RpcClient.GetRawMempoolAsync().ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.LogError(ex);
}
using (await CoinJoinsLock.LockAsync().ConfigureAwait(false))
{
if (mempoolHashes is { })
{
var fallOuts = UnconfirmedCoinJoins.Where(x => !mempoolHashes.Contains(x));
CoinJoins.RemoveAll(x => fallOuts.Contains(x));
UnconfirmedCoinJoins.RemoveAll(x => fallOuts.Contains(x));
}
uint256 coinJoinHash = round.CoinJoin.GetHash();
CoinJoins.Add(coinJoinHash);
UnconfirmedCoinJoins.Add(coinJoinHash);
LastSuccessfulCoinJoinTime = DateTimeOffset.UtcNow;
await File.AppendAllLinesAsync(CoinJoinsFilePath, new[] { coinJoinHash.ToString() }).ConfigureAwait(false);
// When a round succeeded, adjust the denomination as to users still be able to register with the latest round's active output amount.
IEnumerable <(Money value, int count)> outputs = round.CoinJoin.GetIndistinguishableOutputs(includeSingle: true);
var bestOutput = outputs.OrderByDescending(x => x.count).FirstOrDefault();
if (bestOutput != default)
{
Money activeOutputAmount = bestOutput.value;
int currentConfirmationTarget = await AdjustConfirmationTargetAsync(lockCoinJoins : false).ConfigureAwait(false);
var fees = await CoordinatorRound.CalculateFeesAsync(RpcClient, currentConfirmationTarget).ConfigureAwait(false);
feePerInputs = fees.feePerInputs;
feePerOutputs = fees.feePerOutputs;
Money newDenominationToGetInWithactiveOutputs = activeOutputAmount - (feePerInputs + (2 * feePerOutputs));
if (newDenominationToGetInWithactiveOutputs < RoundConfig.Denomination)
{
if (newDenominationToGetInWithactiveOutputs > Money.Coins(0.01m))
{
RoundConfig.Denomination = newDenominationToGetInWithactiveOutputs;
RoundConfig.ToFile();
}
}
}
}
/// <inheritdoc />
public void ProcessTransaction(Transaction transaction, Block block = null)
{
uint256 transactionHash = transaction.GetHash();
this.logger.LogDebug($"watch only wallet received transaction - hash: {transactionHash}, coin: {this.coinType}");
// Check the transaction inputs to see if a watched address is affected.
foreach (TxIn input in transaction.Inputs)
{
// See if the previous transaction is in the watch-only wallet.
this.txLookup.TryGetValue(input.PrevOut.Hash, out TransactionData prevTransactionData);
// If it is null, it can't be related to one of the watched addresses (or it is the very first watched transaction)
if (prevTransactionData == null)
{
continue;
}
var prevTransaction = Transaction.Load(prevTransactionData.Hex, this.network);
// Check if the previous transaction's outputs contain one of our addresses.
foreach (TxOut prevOutput in prevTransaction.Outputs)
{
this.Wallet.WatchedAddresses.TryGetValue(prevOutput.ScriptPubKey.ToString(), out WatchedAddress addressInWallet);
if (addressInWallet != null)
{
// Retrieve a transaction, if present.
addressInWallet.Transactions.TryGetValue(transactionHash.ToString(), out TransactionData existingTransaction);
if (existingTransaction == null)
{
var newTransaction = new TransactionData
{
Id = transactionHash,
Hex = transaction.ToHex(),
BlockHash = block?.GetHash()
};
// Add the Merkle proof to the transaction.
if (block != null)
{
newTransaction.MerkleProof = new MerkleBlock(block, new[] { transactionHash }).PartialMerkleTree;
}
addressInWallet.Transactions.TryAdd(transactionHash.ToString(), newTransaction);
// Update the lookup cache with the new transaction information.
// Since the WO record is new it probably isn't in the lookup cache.
this.txLookup.TryAdd(newTransaction.Id, newTransaction);
}
else
{
// If there was a transaction already present in the WO wallet,
// it is most likely that it has now been confirmed in a block.
// Therefore, update the transaction record with the hash of the
// block containing the transaction.
if (existingTransaction.BlockHash == null)
{
existingTransaction.BlockHash = block?.GetHash();
}
if (block != null && existingTransaction.MerkleProof == null)
{
// Add the Merkle proof now that the transaction is confirmed in a block.
existingTransaction.MerkleProof = new MerkleBlock(block, new[] { transactionHash }).PartialMerkleTree;
}
// Update the lookup cache with the new transaction information.
// Since the WO record was not new it probably is already in the lookup cache.
// Therefore, unconditionally update it.
this.txLookup.AddOrUpdate(existingTransaction.Id, existingTransaction, (key, oldValue) => existingTransaction);
}
this.SaveWatchOnlyWallet();
}
}
}
// Check the transaction outputs for transactions we might be interested in.
foreach (TxOut utxo in transaction.Outputs)
{
// Check if the outputs contain one of our addresses.
this.Wallet.WatchedAddresses.TryGetValue(utxo.ScriptPubKey.ToString(), out WatchedAddress addressInWallet);
if (addressInWallet != null)
{
// Retrieve a transaction, if present.
addressInWallet.Transactions.TryGetValue(transactionHash.ToString(), out TransactionData existingTransaction);
if (existingTransaction == null)
{
var newTransaction = new TransactionData
{
Id = transactionHash,
Hex = transaction.ToHex(),
BlockHash = block?.GetHash()
};
// Add the Merkle proof to the (non-spending) transaction.
if (block != null)
{
newTransaction.MerkleProof = new MerkleBlock(block, new[] { transactionHash }).PartialMerkleTree;
}
addressInWallet.Transactions.TryAdd(transactionHash.ToString(), newTransaction);
// Update the lookup cache with the new transaction information.
// Since the WO record is new it probably isn't in the lookup cache.
this.txLookup.TryAdd(newTransaction.Id, newTransaction);
}
else
{
// If there was a transaction already present in the WO wallet,
// it is most likely that it has now been confirmed in a block.
// Therefore, update the transaction record with the hash of the
// block containing the transaction.
if (existingTransaction.BlockHash == null)
{
existingTransaction.BlockHash = block?.GetHash();
}
if (block != null && existingTransaction.MerkleProof == null)
{
// Add the Merkle proof now that the transaction is confirmed in a block.
existingTransaction.MerkleProof = new MerkleBlock(block, new[] { transactionHash }).PartialMerkleTree;
}
// Update the lookup cache with the new transaction information.
// Since the WO record was not new it probably is already in the lookup cache.
// Therefore, unconditionally update it.
this.txLookup.AddOrUpdate(existingTransaction.Id, existingTransaction, (key, oldValue) => existingTransaction);
}
this.SaveWatchOnlyWallet();
}
}
this.Wallet.WatchedTransactions.TryGetValue(transactionHash.ToString(), out TransactionData existingWatchedTransaction);
if (existingWatchedTransaction != null && block != null)
{
// The transaction was previously stored, in an unconfirmed state.
// So now update the block hash and Merkle proof since it has
// appeared in a block.
existingWatchedTransaction.BlockHash = block.GetHash();
existingWatchedTransaction.MerkleProof = new MerkleBlock(block, new[] { transaction.GetHash() }).PartialMerkleTree;
// Update the lookup cache with the new transaction information.
this.txLookup.AddOrUpdate(existingWatchedTransaction.Id, existingWatchedTransaction, (key, oldValue) => existingWatchedTransaction);
this.SaveWatchOnlyWallet();
}
}
public Task <GetTransactionResponse> GetTransaction(uint256 transactionId)
{
return(Get <GetTransactionResponse>("transactions/" + EscapeUrlPart(transactionId.ToString()) + CreateParameters()));
}
private async void Round_StatusChangedAsync(object sender, CcjRoundStatus status)
{
try
{
var round = sender as CcjRound;
Money feePerInputs = null;
Money feePerOutputs = null;
// If success save the coinjoin.
if (status == CcjRoundStatus.Succeded)
{
using (await CoinJoinsLock.LockAsync())
{
uint256 coinJoinHash = round.SignedCoinJoin.GetHash();
CoinJoins.Add(coinJoinHash);
await File.AppendAllLinesAsync(CoinJoinsFilePath, new[] { coinJoinHash.ToString() });
// When a round succeeded, adjust the denomination as to users still be able to register with the latest round's active output amount.
IEnumerable <(Money value, int count)> outputs = round.SignedCoinJoin.GetIndistinguishableOutputs(includeSingle: true);
var bestOutput = outputs.OrderByDescending(x => x.count).FirstOrDefault();
if (bestOutput != default)
{
Money activeOutputAmount = bestOutput.value;
int currentConfirmationTarget = await AdjustConfirmationTargetAsync(lockCoinJoins : false);
var fees = await CcjRound.CalculateFeesAsync(RpcClient, currentConfirmationTarget);
feePerInputs = fees.feePerInputs;
feePerOutputs = fees.feePerOutputs;
Money newDenominationToGetInWithactiveOutputs = activeOutputAmount - (feePerInputs + 2 * feePerOutputs);
if (newDenominationToGetInWithactiveOutputs < RoundConfig.Denomination)
{
if (newDenominationToGetInWithactiveOutputs > Money.Coins(0.01m))
{
RoundConfig.Denomination = newDenominationToGetInWithactiveOutputs;
await RoundConfig.ToFileAsync();
}
}
}
}
}
// If aborted in signing phase, then ban Alices those didn't sign.
if (status == CcjRoundStatus.Aborted && round.Phase == CcjRoundPhase.Signing)
{
IEnumerable <Alice> alicesDidntSign = round.GetAlicesByNot(AliceState.SignedCoinJoin, syncLock: false);
CcjRound nextRound = GetCurrentInputRegisterableRoundOrDefault(syncLock: false);
if (nextRound != null)
{
int nextRoundAlicesCount = nextRound.CountAlices(syncLock: false);
var alicesSignedCount = round.AnonymitySet - alicesDidntSign.Count();
// New round's anonset should be the number of alices those signed in this round.
// Except if the number of alices in the next round is already larger.
var newAnonymitySet = Math.Max(alicesSignedCount, nextRoundAlicesCount);
// But it cannot be larger than the current anonset of that round.
newAnonymitySet = Math.Min(newAnonymitySet, nextRound.AnonymitySet);
// Only change the anonymity set of the next round if new anonset doesnt equal and newanonset larger than 1.
if (nextRound.AnonymitySet != newAnonymitySet && newAnonymitySet > 1)
{
nextRound.UpdateAnonymitySet(newAnonymitySet, syncLock: false);
if (nextRoundAlicesCount >= nextRound.AnonymitySet)
{
// Progress to the next phase, which will be OutputRegistration
await nextRound.ExecuteNextPhaseAsync(CcjRoundPhase.ConnectionConfirmation);
}
}
}
foreach (Alice alice in alicesDidntSign) // Because the event sometimes is raised from inside the lock.
{
// If its from any coinjoin, then don't ban.
IEnumerable <OutPoint> utxosToBan = alice.Inputs.Select(x => x.Outpoint);
await UtxoReferee.BanUtxosAsync(1, DateTimeOffset.UtcNow, forceNoted : false, round.RoundId, utxosToBan.ToArray());
}
}
// If finished start a new round.
if (status == CcjRoundStatus.Aborted || status == CcjRoundStatus.Succeded)
{
round.StatusChanged -= Round_StatusChangedAsync;
round.CoinJoinBroadcasted -= Round_CoinJoinBroadcasted;
await MakeSureTwoRunningRoundsAsync(feePerInputs, feePerOutputs);
}
}
catch (Exception ex)
{
Logger.LogWarning <CcjCoordinator>(ex);
}
}
public void SetCoins(uint256 txId, Coins coins)
{
Index.PutAsync(txId.ToString(), coins);
}
public Transaction GetRawTransaction(uint256 txid)
{
var response = SendCommand("getrawtransaction", txid.ToString());
var tx = new Transaction();
tx.ReadWrite(Encoders.Hex.DecodeData(response.Result.ToString()));
return tx;
}
public BlockHeader GetBlockHeader(uint256 blockHash)
{
var resp = SendCommand("getblock", blockHash.ToString());
return(ParseBlockHeader(resp));
}
public void SetCoins(uint256 txId, Coins coins)
{
Index.PutAsync(txId.ToString(), coins);
}
/// <summary>
/// Gets blocks headers.
/// </summary>
/// <param name="blockId">The initial block identifier.</param>
/// <param name="count">how many headers to get.</param>
/// <returns>Given a block hash (blockId) returns as much block headers as specified.</returns>
/// <exception cref="System.ArgumentNullException">blockId cannot be null</exception>
/// <exception cref="System.ArgumentOutOfRangeException">count must be greater or equal to one.</exception>
public async Task<IEnumerable<BlockHeader>> GetBlockHeadersAsync(uint256 blockId, int count)
{
if(blockId == null)
throw new ArgumentNullException("blockId");
if(count < 1)
throw new ArgumentOutOfRangeException("count", "count must be greater or equal to one.");
var result = await SendRequestAsync("headers", _format, count.ToString(CultureInfo.InvariantCulture), blockId.ToString()).ConfigureAwait(false);
const int hexSize = (BlockHeader.Size);
return Enumerable
.Range(0, result.Length / hexSize)
.Select(i => new BlockHeader(result.SafeSubarray(i * hexSize, hexSize)));
}
/// <summary>
/// Gets a transaction.
/// </summary>
/// <param name="txId">The transaction identifier.</param>
/// <returns>Given a transaction hash (id) returns the requested transaction object.</returns>
/// <exception cref="System.ArgumentNullException">txId cannot be null</exception>
public async Task<Transaction> GetTransactionAsync(uint256 txId)
{
if(txId == null)
throw new ArgumentNullException("txId");
var result = await SendRequestAsync("tx", _format, txId.ToString()).ConfigureAwait(false);
return new Transaction(result);
}
public Task <Block> GetAsync(uint256 id)
{
return(GetAsync(id.ToString()));
}
public BlockHeader GetBlockHeader(uint256 blockHash)
{
var resp = SendCommand("getblock", blockHash.ToString());
return ParseBlockHeader(resp);
}
public async Task <Transaction> GetRawTransactionAsync(uint256 txid, bool throwIfNotFound = true)
{
var response = await SendCommandAsync(new RPCRequest("getrawtransaction", new[] { txid.ToString() }), throwIfNotFound).ConfigureAwait(false);
if (throwIfNotFound)
{
response.ThrowIfError();
}
if (response.Error != null && response.Error.Code == RPCErrorCode.RPC_INVALID_ADDRESS_OR_KEY)
{
return(null);
}
response.ThrowIfError();
var tx = new Transaction();
tx.ReadWrite(Encoders.Hex.DecodeData(response.Result.ToString()));
return(tx);
}
public async Task<BlockHeader> GetBlockHeaderAsync(uint256 blockHash)
{
var resp = await SendCommandAsync("getblock", blockHash.ToString()).ConfigureAwait(false);
return ParseBlockHeader(resp);
}
public Task <Coins> GetCoinsAsync(uint256 txId)
{
return(Index.GetAsync <Coins>(txId.ToString()));
}
public async Task<Transaction> GetRawTransactionAsync(uint256 txid, bool throwIfNotFound = true)
{
var response = await SendCommandAsync(new RPCRequest("getrawtransaction", new[] { txid.ToString() }), throwIfNotFound).ConfigureAwait(false);
if (throwIfNotFound)
response.ThrowIfError();
if (response.Error != null && response.Error.Code == RPCErrorCode.RPC_INVALID_ADDRESS_OR_KEY)
return null;
response.ThrowIfError();
var tx = new Transaction();
tx.ReadWrite(Encoders.Hex.DecodeData(response.Result.ToString()));
return tx;
}
/// <summary>
/// GetTransactions only returns on txn which are not entirely spent unless you run bitcoinq with txindex=1.
/// </summary>
/// <param name="blockHash"></param>
/// <returns></returns>
public IEnumerable<Transaction> GetTransactions(uint256 blockHash)
{
if (blockHash == null)
throw new ArgumentNullException("blockHash");
var resp = SendCommand("getblock", blockHash.ToString());
var tx = resp.Result["tx"] as JArray;
if (tx != null)
{
foreach (var item in tx)
{
var result = GetRawTransaction(uint256.Parse(item.ToString()), false);
if (result != null)
yield return result;
}
}
}
public async Task <TransactionEntry> GetTransactionAsync(bool loadPreviousOutput, bool fetchColor, uint256 txId)
{
if (txId == null)
{
return(null);
}
TransactionEntry result = null;
var table = Configuration.GetTransactionTable();
var searchedEntity = new TransactionEntry.Entity(txId);
var query = new TableQuery <DynamicTableEntity>()
.Where(
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, searchedEntity.PartitionKey),
TableOperators.And,
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.GreaterThan, txId.ToString() + "-"),
TableOperators.And,
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.LessThan, txId.ToString() + "|")
)
));
query.TakeCount = 10; //Should not have more
List <TransactionEntry.Entity> entities = new List <TransactionEntry.Entity>();
foreach (var e in await table.ExecuteQuerySegmentedAsync(query, null).ConfigureAwait(false))
{
if (e.IsFat())
{
entities.Add(new TransactionEntry.Entity(await FetchFatEntity(e).ConfigureAwait(false), ConsensuFactory));
}
else
{
entities.Add(new TransactionEntry.Entity(e, ConsensuFactory));
}
}
if (entities.Count == 0)
{
result = null;
}
else
{
result = new TransactionEntry(entities.ToArray());
if (result.Transaction == null)
{
foreach (var block in result.BlockIds.Select(id => GetBlock(id)).Where(b => b != null))
{
result.Transaction = block.Transactions.FirstOrDefault(t => t.GetHash() == txId);
entities[0].Transaction = result.Transaction;
if (entities[0].Transaction != null)
{
await UpdateEntity(table, entities[0].CreateTableEntity()).ConfigureAwait(false);
}
break;
}
}
if (fetchColor && result.ColoredTransaction == null)
{
result.ColoredTransaction = await ColoredTransaction.FetchColorsAsync(txId, result.Transaction, new CachedColoredTransactionRepository(new IndexerColoredTransactionRepository(Configuration))).ConfigureAwait(false);
entities[0].ColoredTransaction = result.ColoredTransaction;
if (entities[0].ColoredTransaction != null)
{
await UpdateEntity(table, entities[0].CreateTableEntity()).ConfigureAwait(false);
}
}
var needTxOut = result.SpentCoins == null && loadPreviousOutput && result.Transaction != null;
if (needTxOut)
{
var inputs = result.Transaction.Inputs.Select(o => o.PrevOut).ToArray();
var parents = await
GetTransactionsAsync(false, false, inputs
.Select(i => i.Hash)
.ToArray()).ConfigureAwait(false);
for (int i = 0; i < parents.Length; i++)
{
if (parents[i] == null)
{
IndexerTrace.MissingTransactionFromDatabase(result.Transaction.Inputs[i].PrevOut.Hash);
return(null);
}
}
var outputs = parents.Select((p, i) => p.Transaction.Outputs[inputs[i].N]).ToArray();
result.SpentCoins = Enumerable
.Range(0, inputs.Length)
.Select(i => new Spendable(inputs[i], outputs[i]))
.ToList();
entities[0].PreviousTxOuts.Clear();
entities[0].PreviousTxOuts.AddRange(outputs);
if (entities[0].IsLoaded)
{
await UpdateEntity(table, entities[0].CreateTableEntity()).ConfigureAwait(false);
}
}
}
return(result != null && result.Transaction != null ? result : null);
}
public CcjCoordinator(Network network, TrustedNodeNotifyingBehavior trustedNodeNotifyingBehavior, string folderPath, RPCClient rpc, CcjRoundConfig roundConfig)
{
Network = Guard.NotNull(nameof(network), network);
TrustedNodeNotifyingBehavior = Guard.NotNull(nameof(trustedNodeNotifyingBehavior), trustedNodeNotifyingBehavior);
FolderPath = Guard.NotNullOrEmptyOrWhitespace(nameof(folderPath), folderPath, trim: true);
RpcClient = Guard.NotNull(nameof(rpc), rpc);
RoundConfig = Guard.NotNull(nameof(roundConfig), roundConfig);
Rounds = new List <CcjRound>();
RoundsListLock = new AsyncLock();
CoinJoins = new List <uint256>();
CoinJoinsLock = new AsyncLock();
Directory.CreateDirectory(FolderPath);
UtxoReferee = new UtxoReferee(Network, FolderPath, RpcClient, RoundConfig);
if (File.Exists(CoinJoinsFilePath))
{
try
{
var toRemove = new List <string>();
string[] allLines = File.ReadAllLines(CoinJoinsFilePath);
foreach (string line in allLines)
{
try
{
uint256 txHash = new uint256(line);
RPCResponse getRawTransactionResponse = RpcClient.SendCommand(RPCOperations.getrawtransaction, txHash.ToString(), true);
CoinJoins.Add(txHash);
}
catch (Exception ex)
{
toRemove.Add(line);
var logEntry = ex is RPCException rpce && rpce.RPCCode == RPCErrorCode.RPC_INVALID_ADDRESS_OR_KEY
? $"CoinJoins file contains invalid transaction ID {line}"
: $"CoinJoins file got corrupted. Deleting offending line \"{line.Substring(0, 20)}\".";
Logger.LogWarning <CcjCoordinator>($"{logEntry}. {ex.GetType()}: {ex.Message}");
}
}
if (toRemove.Count != 0) // a little performance boost, it'll be empty almost always
{
var newAllLines = allLines.Where(x => !toRemove.Contains(x));
File.WriteAllLines(CoinJoinsFilePath, newAllLines);
}
}
catch (Exception ex)
{
Logger.LogWarning <CcjCoordinator>($"CoinJoins file got corrupted. Deleting {CoinJoinsFilePath}. {ex.GetType()}: {ex.Message}");
File.Delete(CoinJoinsFilePath);
}
}
try
{
string roundCountFilePath = Path.Combine(folderPath, "RoundCount.txt");
if (File.Exists(roundCountFilePath))
{
string roundCount = File.ReadAllText(roundCountFilePath);
CcjRound.RoundCount = long.Parse(roundCount);
}
else
{
// First time initializes (so the first constructor will increment it and we'll start from 1.)
CcjRound.RoundCount = 0;
}
}
catch (Exception ex)
{
CcjRound.RoundCount = 0;
Logger.LogInfo <CcjCoordinator>($"{nameof(CcjRound.RoundCount)} file was corrupt. Resetting to 0.");
Logger.LogDebug <CcjCoordinator>(ex);
}
TrustedNodeNotifyingBehavior.Block += TrustedNodeNotifyingBehavior_BlockAsync;
}
public Transaction GetKnownTransaction(uint256 txId)
{
return(Repository.Get <Record>("Broadcasts", txId.ToString())?.Transaction ??
Repository.Get <Transaction>("CachedTransactions", txId.ToString()));
}
public void methods()
{
Assert.True(R1L.GetHex() == R1L.ToString());
Assert.True(R2L.GetHex() == R2L.ToString());
Assert.True(OneL.GetHex() == OneL.ToString());
Assert.True(MaxL.GetHex() == MaxL.ToString());
uint256 TmpL = new uint256(R1L);
Assert.True(TmpL == R1L);
TmpL.SetHex(R2L.ToString());
Assert.True(TmpL == R2L);
TmpL.SetHex(ZeroL.ToString());
Assert.True(TmpL == 0);
TmpL.SetHex(HalfL.ToString());
Assert.True(TmpL == HalfL);
TmpL.SetHex(R1L.ToString());
AssertEx.CollectionEquals(R1L.ToBytes(), R1Array);
AssertEx.CollectionEquals(TmpL.ToBytes(), R1Array);
AssertEx.CollectionEquals(R2L.ToBytes(), R2Array);
AssertEx.CollectionEquals(ZeroL.ToBytes(), ZeroArray);
AssertEx.CollectionEquals(OneL.ToBytes(), OneArray);
Assert.True(R1L.Size == 32);
Assert.True(R2L.Size == 32);
Assert.True(ZeroL.Size == 32);
Assert.True(MaxL.Size == 32);
//No sense in .NET
//Assert.True(R1L.begin() + 32 == R1L.end());
//Assert.True(R2L.begin() + 32 == R2L.end());
//Assert.True(OneL.begin() + 32 == OneL.end());
//Assert.True(MaxL.begin() + 32 == MaxL.end());
//Assert.True(TmpL.begin() + 32 == TmpL.end());
Assert.True(R1L.GetLow64() == R1LLow64);
Assert.True(HalfL.GetLow64() == 0x0000000000000000UL);
Assert.True(OneL.GetLow64() == 0x0000000000000001UL);
Assert.True(R1L.GetSerializeSize(0, ProtocolVersion.PROTOCOL_VERSION) == 32);
Assert.True(ZeroL.GetSerializeSize(0, ProtocolVersion.PROTOCOL_VERSION) == 32);
MemoryStream ss = new MemoryStream();
R1L.Serialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(ArrayToString(ss.ToArray()) == ArrayToString(R1Array));
TmpL.Unserialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(R1L == TmpL);
ss = new MemoryStream();
ZeroL.Serialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(ArrayToString(ss.ToArray()) == ArrayToString(ZeroArray));
ss.Position = 0;
TmpL.Unserialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(ZeroL == TmpL);
ss = new MemoryStream();
MaxL.Serialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(ArrayToString(ss.ToArray()) == ArrayToString(MaxArray));
ss.Position = 0;
TmpL.Unserialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(MaxL == TmpL);
ss = new MemoryStream();
Assert.True(R1S.GetHex() == R1S.ToString());
Assert.True(R2S.GetHex() == R2S.ToString());
Assert.True(OneS.GetHex() == OneS.ToString());
Assert.True(MaxS.GetHex() == MaxS.ToString());
uint160 TmpS = new uint160(R1S);
Assert.True(TmpS == R1S);
TmpS.SetHex(R2S.ToString());
Assert.True(TmpS == R2S);
TmpS.SetHex(ZeroS.ToString());
Assert.True(TmpS == 0);
TmpS.SetHex(HalfS.ToString());
Assert.True(TmpS == HalfS);
TmpS.SetHex(R1S.ToString());
Assert.True(ArrayToString(R1S.ToBytes()) == ArrayToString(R1Array.Take(20).ToArray()));
Assert.True(ArrayToString(TmpS.ToBytes()) == ArrayToString(R1Array.Take(20).ToArray()));
Assert.True(ArrayToString(R2S.ToBytes()) == ArrayToString(R2Array.Take(20).ToArray()));
Assert.True(ArrayToString(ZeroS.ToBytes()) == ArrayToString(ZeroArray.Take(20).ToArray()));
Assert.True(ArrayToString(OneS.ToBytes()) == ArrayToString(OneArray.Take(20).ToArray()));
Assert.True(R1S.Size == 20);
Assert.True(R2S.Size == 20);
Assert.True(ZeroS.Size == 20);
Assert.True(MaxS.Size == 20);
//No sense in .NET
//Assert.True(R1S.begin() + 20 == R1S.end());
//Assert.True(R2S.begin() + 20 == R2S.end());
//Assert.True(OneS.begin() + 20 == OneS.end());
//Assert.True(MaxS.begin() + 20 == MaxS.end());
//Assert.True(TmpS.begin() + 20 == TmpS.end());
Assert.True(R1S.GetLow64() == R1LLow64);
Assert.True(HalfS.GetLow64() == 0x0000000000000000UL);
Assert.True(OneS.GetLow64() == 0x0000000000000001UL);
Assert.True(R1S.GetSerializeSize(0, ProtocolVersion.PROTOCOL_VERSION) == 20);
Assert.True(ZeroS.GetSerializeSize(0, ProtocolVersion.PROTOCOL_VERSION) == 20);
R1S.Serialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(ArrayToString(ss.ToArray()) == ArrayToString(R1Array.Take(20).ToArray()));
ss.Position = 0;
TmpS.Unserialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(R1S == TmpS);
ss = new MemoryStream();
ZeroS.Serialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(ArrayToString(ss.ToArray()) == ArrayToString(ZeroArray.Take(20).ToArray()));
ss.Position = 0;
TmpS.Unserialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(ZeroS == TmpS);
ss = new MemoryStream();
MaxS.Serialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(ArrayToString(ss.ToArray()) == ArrayToString(MaxArray.Take(20).ToArray()));
ss.Position = 0;
TmpS.Unserialize(ss, 0, ProtocolVersion.PROTOCOL_VERSION);
Assert.True(MaxS == TmpS);
ss = new MemoryStream();
//for(int i = 0 ; i < 255 ; ++i)
//{
// Assert.True((OneL << i).GetDouble() == Math.Pow(1.0, i));
// if(i < 160)
// Assert.True((OneS << i).GetDouble() == Math.Pow(1.0, i));
//}
//Assert.True(ZeroL.GetDouble() == 0.0);
//Assert.True(ZeroS.GetDouble() == 0.0);
//for(int i = 256 ; i > 53 ; --i)
// Assert.True(almostEqual((R1L >> (256 - i)).GetDouble(), Math.Pow(R1Ldouble, i)));
//for(int i = 160 ; i > 53 ; --i)
// Assert.True(almostEqual((R1S >> (160 - i)).GetDouble(), Math.Pow(R1Sdouble, i)));
//ulong R1L64part = (R1L >> 192).GetLow64();
//ulong R1S64part = (R1S >> 96).GetLow64();
//for(int i = 53 ; i > 0 ; --i) // doubles can store all integers in {0,...,2^54-1} exactly
//{
// Assert.True((R1L >> (256 - i)).GetDouble() == (double)(R1L64part >> (64 - i)));
// Assert.True((R1S >> (160 - i)).GetDouble() == (double)(R1S64part >> (64 - i)));
//}
}
public async Task GetRawTransactionWithTransactionInMempoolAsync()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
//Arrange.
// Create a sending and a receiving node.
CoreNode sendingNode = builder.CreateStratisPosNode(this.network).WithReadyBlockchainData(ReadyBlockchain.StratisRegTest150Miner).Start();
CoreNode receivingNode = builder.CreateStratisPosNode(this.network).WithReadyBlockchainData(ReadyBlockchain.StratisRegTest150Listener).Start();
TestHelper.ConnectAndSync(sendingNode, receivingNode);
// Get an address to send to.
IEnumerable <string> unusedaddresses = await $"http://localhost:{receivingNode.ApiPort}/api"
.AppendPathSegment("wallet/unusedAddresses")
.SetQueryParams(new { walletName = "mywallet", accountName = "account 0", count = 1 })
.GetJsonAsync <IEnumerable <string> >();
// Build and send a transaction.
WalletBuildTransactionModel buildTransactionModel = await $"http://localhost:{sendingNode.ApiPort}/api"
.AppendPathSegment("wallet/build-transaction")
.PostJsonAsync(new BuildTransactionRequest
{
WalletName = "mywallet",
AccountName = "account 0",
FeeType = "low",
Password = "******",
ShuffleOutputs = true,
AllowUnconfirmed = true,
Recipients = unusedaddresses.Select(address => new RecipientModel
{
DestinationAddress = address,
Amount = "1"
}).ToList(),
})
.ReceiveJson <WalletBuildTransactionModel>();
await $"http://localhost:{sendingNode.ApiPort}/api"
.AppendPathSegment("wallet/send-transaction")
.PostJsonAsync(new SendTransactionRequest
{
Hex = buildTransactionModel.Hex
})
.ReceiveJson <WalletSendTransactionModel>();
uint256 txId = buildTransactionModel.TransactionId;
// Act.
RPCClient rpc = sendingNode.CreateRPCClient();
RPCResponse response = await rpc.SendCommandAsync(RPCOperations.getrawtransaction, txId.ToString());
// Assert.
response.ResultString.Should().Be(buildTransactionModel.Hex);
}
}
public void CanChooseInputsForCall()
{
const int utxoIndex = 0;
uint256 utxoId = uint256.Zero;
uint256 utxoIdUnused = uint256.One;
string senderAddress = uint160.Zero.ToBase58Address(this.network);
string contractAddress = uint160.One.ToBase58Address(this.network);
var request = new BuildCallContractTransactionRequest
{
Amount = "0",
AccountName = "account 0",
ContractAddress = contractAddress,
FeeAmount = "0.01",
GasLimit = 100_000,
GasPrice = 100,
MethodName = "TestMethod",
WalletName = "wallet",
Password = "******",
Sender = senderAddress,
Outpoints = new List <OutpointRequest>
{
new OutpointRequest
{
Index = utxoIndex,
TransactionId = utxoId.ToString()
},
}
};
this.walletManager.Setup(x => x.GetAddressBalance(request.Sender))
.Returns(new AddressBalance
{
Address = senderAddress,
AmountConfirmed = new Money(100, MoneyUnit.BTC)
});
this.walletManager.Setup(x => x.GetSpendableTransactionsInWallet(It.IsAny <string>(), 0))
.Returns(new List <UnspentOutputReference>
{
new UnspentOutputReference
{
Address = new HdAddress
{
Address = senderAddress
},
Transaction = new TransactionData
{
Id = utxoId,
Index = utxoIndex,
}
}, new UnspentOutputReference
{
Address = new HdAddress
{
Address = senderAddress
},
Transaction = new TransactionData
{
Id = utxoIdUnused,
Index = utxoIndex,
}
}
});
var wallet = new Features.Wallet.Wallet();
wallet.AccountsRoot.Add(new AccountRoot(wallet));
var account0 = new HdAccount(wallet.AccountsRoot.First().Accounts)
{
Name = request.AccountName
};
account0.ExternalAddresses.Add(new HdAddress()
{
Address = senderAddress
});
this.walletManager.Setup(x => x.GetWallet(request.WalletName))
.Returns(wallet);
var reserveUtxoService = new ReserveUtxoService(this.loggerFactory, new Mock <ISignals>().Object);
var service = new SmartContractTransactionService(
this.network,
this.walletManager.Object,
this.walletTransactionHandler.Object,
this.stringSerializer.Object,
this.callDataSerializer.Object,
this.addressGenerator.Object,
this.stateRepository.Object,
reserveUtxoService);
BuildCallContractTransactionResponse result = service.BuildCallTx(request);
this.walletTransactionHandler.Verify(x => x.BuildTransaction(It.Is <TransactionBuildContext>(y => y.SelectedInputs.Count == 1)));
}
public CcjCoordinator(Network network, string folderPath, RPCClient rpc, CcjRoundConfig roundConfig)
{
Network = Guard.NotNull(nameof(network), network);
FolderPath = Guard.NotNullOrEmptyOrWhitespace(nameof(folderPath), folderPath, trim: true);
RpcClient = Guard.NotNull(nameof(rpc), rpc);
RoundConfig = Guard.NotNull(nameof(roundConfig), roundConfig);
Rounds = new List <CcjRound>();
RoundsListLock = new AsyncLock();
CoinJoins = new List <uint256>();
UnconfirmedCoinJoins = new List <uint256>();
CoinJoinsLock = new AsyncLock();
Directory.CreateDirectory(FolderPath);
UtxoReferee = new UtxoReferee(Network, FolderPath, RpcClient);
// Initialize RsaKey
string rsaKeyPath = Path.Combine(FolderPath, "RsaKey.json");
if (File.Exists(rsaKeyPath))
{
string rsaKeyJson = File.ReadAllText(rsaKeyPath, encoding: Encoding.UTF8);
RsaKey = BlindingRsaKey.CreateFromJson(rsaKeyJson);
}
else
{
RsaKey = new BlindingRsaKey();
File.WriteAllText(rsaKeyPath, RsaKey.ToJson(), encoding: Encoding.UTF8);
Logger.LogInfo <CcjCoordinator>($"Created RSA key at: {rsaKeyPath}");
}
if (File.Exists(CoinJoinsFilePath))
{
try
{
var toRemove = new List <string>();
string[] allLines = File.ReadAllLines(CoinJoinsFilePath);
foreach (string line in allLines)
{
uint256 txHash = new uint256(line);
RPCResponse getRawTransactionResponse = RpcClient.SendCommand(RPCOperations.getrawtransaction, txHash.ToString(), true);
if (string.IsNullOrWhiteSpace(getRawTransactionResponse?.ResultString))
{
toRemove.Add(line);
}
else
{
CoinJoins.Add(txHash);
if (getRawTransactionResponse.Result.Value <int>("confirmations") <= 0)
{
UnconfirmedCoinJoins.Add(txHash);
}
}
}
if (toRemove.Count != 0) // a little performance boost, it'll be empty almost always
{
var newAllLines = allLines.Where(x => !toRemove.Contains(x));
File.WriteAllLines(CoinJoinsFilePath, newAllLines);
}
}
catch (Exception ex)
{
Logger.LogWarning <CcjCoordinator>($"CoinJoins file got corrupted. Deleting {CoinJoinsFilePath}. {ex.GetType()}: {ex.Message}");
File.Delete(CoinJoinsFilePath);
}
}
}
public void WriteToString()
{
Value.ToString();
}
public void LoadConfigWithAssumeValidHexLoads()
{
var validHexBlock = new uint256("00000000229d9fb87182d73870d53f9fdd9b76bfc02c059e6d9a6c7a3507031d");
Network network = KnownNetworks.TestNet;
var nodeSettings = new NodeSettings(network, args: new string[] { $"-assumevalid={validHexBlock.ToString()}" });
var settings = new ConsensusSettings(nodeSettings);
Assert.Equal(validHexBlock, settings.BlockAssumedValid);
}
public Task<Coins> GetCoinsAsync(uint256 txId)
{
return Index.GetAsync<Coins>(txId.ToString());
}
public void LoadConfigWithAssumeValidHexLoads()
{
uint256 validHexBlock = new uint256("00000000229d9fb87182d73870d53f9fdd9b76bfc02c059e6d9a6c7a3507031d");
LoggerFactory loggerFactory = new LoggerFactory();
Network network = Network.TestNet;
NodeSettings nodeSettings = new NodeSettings(network.Name, network).LoadArguments(new string[] { $"-assumevalid={validHexBlock.ToString()}" });
ConsensusSettings settings = new ConsensusSettings(nodeSettings, loggerFactory);
Assert.Equal(validHexBlock, settings.BlockAssumedValid);
}
public static string ToId(uint256 hash)
{
return($"{Prefix}{hash.ToString()}");
}
public void MerkleRootComputationNotMutated()
{
var leaves = new List <uint256>()
{
new uint256("281f5acb40a15640bc48b90b5296a87d09341e3510608b191c9bc3a511f8e436"),
new uint256("f4570fd8c54fded84b696ba3eb986a5421b0a41109dea6e10ba96aec70f78f00")
};
bool mutated;
uint256 root = ComputeMerkleRoot(leaves, out mutated);
Assert.Equal("cd00f5d5aada62c8e49a9f01378998cbd016d04b725d0d8497877e5f75ffc722", root.ToString());
Assert.False(mutated);
}
/// <summary>
/// Get the a whole block
/// </summary>
/// <param name="blockId"></param>
/// <returns></returns>
public async Task <Block> GetBlockAsync(uint256 blockId)
{
var resp = await SendCommandAsync("getblock", blockId.ToString(), false).ConfigureAwait(false);
return(new Block(Encoders.Hex.DecodeData(resp.Result.ToString())));
}
public void MerkleRootComputationMutated()
{
var leaves = new List <uint256>()
{
new uint256("281f5acb40a65640bc48b90b5296a87d09341e3510608b191c9bc3a511f8e436"),
new uint256("d0249653efaaa999f0278bb390c0f4ec3e5465a10f35264ebcfbb6dd6a677abd"),
new uint256("7897c117fddbf98ea9749cc868a9d1e663b198dd3ac0ae5837734007f0060b20"),
new uint256("ced314892a97f342a136269e2842fd0dbd1cab1fa84557bc48420f7cf96f0bc7"),
new uint256("5b98af3d7554916483bca1a52f16570a93f07c95d6aeb8d08b0794c86cf58128"),
new uint256("5b98af3d7554916483bca1a52f16570a93f07c95d6aeb8d08b0794c86cf58128"),
new uint256("5b98af3d7554916483bca1a52f16570a93f07c95d6aeb8d08b0794c86cf58128"),
new uint256("91be5a63b4b70c8329f20960e49a8bd3adeb77fcbadf78014ac54efaf1647a31"),
new uint256("ac2dcf5c46d9a801389b6c0630b435ce5c2fa850cfac5456f16937dd8ae697d3")
};
bool mutated;
uint256 root = this.ComputeMerkleRoot(leaves, out mutated);
Assert.Equal("95aa5bba66381c3817df338895349acd3fc3e8ce226e04a5e2acbb53db18b9c0", root.ToString());
Assert.True(mutated);
}
public async Task <BlockHeader> GetBlockHeaderAsync(uint256 blockHash)
{
var resp = await SendCommandAsync("getblock", blockHash.ToString()).ConfigureAwait(false);
return(ParseBlockHeader(resp));
}
public Coins GetCoins(uint256 txId)
{
return(Index.GetAsync <Coins>(txId.ToString()).GetAwaiter().GetResult());
}
/// <summary>
/// Gets blocks headers.
/// </summary>
/// <param name="blockId">The initial block identifier.</param>
/// <param name="count">how many headers to get.</param>
/// <returns>Given a block hash (blockId) returns as much block headers as specified.</returns>
/// <exception cref="System.ArgumentNullException">blockId cannot be null</exception>
/// <exception cref="System.ArgumentOutOfRangeException">count must be greater or equal to one.</exception>
public async Task <IEnumerable <BlockHeader> > GetBlockHeadersAsync(uint256 blockId, int count)
{
if (blockId == null)
{
throw new ArgumentNullException("blockId");
}
if (count < 1)
{
throw new ArgumentOutOfRangeException("count", "count must be greater or equal to one.");
}
var result = await SendRequestAsync("headers", RestResponseFormat.Bin, count.ToString(CultureInfo.InvariantCulture), blockId.ToString()).ConfigureAwait(false);
const int hexSize = (BlockHeader.Size);
return(Enumerable
.Range(0, result.Length / hexSize)
.Select(i => new BlockHeader(result.SafeSubarray(i * hexSize, hexSize))));
}
public BlockHeader GetBlockHeader(uint256 blockHash)
{
var resp = SendCommand("getblock", blockHash.ToString());
BlockHeader header = new BlockHeader();
header.Version = (int)resp.Result["version"];
header.Nonce = (uint)resp.Result["nonce"];
header.Bits = new Target(Encoders.Hex.DecodeData((string)resp.Result["bits"]));
if(resp.Result["previousblockhash"] != null)
{
header.HashPrevBlock = new uint256(Encoders.Hex.DecodeData((string)resp.Result["previousblockhash"]),false);
}
if(resp.Result["time"] != null)
{
header.BlockTime = Utils.UnixTimeToDateTime((uint)resp.Result["time"]);
}
if(resp.Result["merkleroot"] != null)
{
header.HashMerkleRoot = new uint256(Encoders.Hex.DecodeData((string)resp.Result["merkleroot"]),false);
}
return header;
}