/// <summary>
/// Generates the hash of a <see cref="BlockHeader"/>.
/// </summary>
/// <returns>A hash.</returns>
public virtual uint256 GetHash()
{
uint256 hash = null;
uint256[] hashes = this.hashes;
if (hashes != null)
{
hash = hashes[0];
}
if (hash != null)
{
return(hash);
}
using (var hs = new HashStream())
{
this.ReadWrite(new BitcoinStream(hs, true));
hash = hs.GetHash();
}
hashes = this.hashes;
if (hashes != null)
{
hashes[0] = hash;
}
return(hash);
}
public override uint256 GetHash()
{
uint256 hash = null;
uint256[] innerHashes = this.hashes;
if (innerHashes != null)
{
hash = innerHashes[0];
}
if (hash != null)
{
return(hash);
}
using (var hs = new HashStream())
{
this.ReadWriteHashingStream(new BitcoinStream(hs, true));
hash = hs.GetHash();
}
innerHashes = this.hashes;
if (innerHashes != null)
{
innerHashes[0] = hash;
}
return(hash);
}
public uint256 GetHash()
{
uint256 h = null;
var hashes = _Hashes;
if (hashes != null)
{
h = hashes[0];
}
if (h != null)
{
return(h);
}
using (HashStream hs = new HashStream())
{
this.ReadWrite(new BitcoinStream(hs, true));
h = hs.GetHash();
}
hashes = _Hashes;
if (hashes != null)
{
hashes[0] = h;
}
return(h);
}
/// <summary>
/// This method should be removed once PR https://github.com/MetacoSA/NBitcoin/pull/1005
/// will be merged to master and new package will be released.
/// Original code stores the calculated hash and returns it once it has been calculated so it's more optimal
/// </summary>
public static uint256 GetHash(this Transaction tx, int maxArraySize)
{
// try to use original implementation because it's more efficient
try
{
return(tx.GetHash());
}
catch (ArgumentOutOfRangeException)
{
// catch ArgumentOutOfRangeException in case Tx is bigger than 1MB
// and parse it again by increasing the maxArraySize
}
using var hs = new HashStream();
var stream = new BitcoinStream(hs, true)
{
TransactionOptions = TransactionOptions.None,
ConsensusFactory = tx.GetConsensusFactory(),
MaxArraySize = maxArraySize
};
stream.SerializationTypeScope(SerializationType.Hash);
tx.ReadWrite(stream);
return(hs.GetHash());
}
/// <summary>Calculates the hash of a <see cref="BlockHeader"/>.</summary>
protected virtual uint256 CalculateHash()
{
using (var hs = new HashStream())
{
this.ReadWrite(new BitcoinStream(hs, true));
uint256 hash = hs.GetHash();
return(hash);
}
}
public void InitiateTaggedWorks()
{
#if HAS_SPAN
var sha = new NBitcoin.Secp256k1.SHA256();
sha.InitializeTagged("lol");
sha.Write(new byte[32]);
byte[] buff = new byte[32];
sha.GetHash(buff);
Assert.Equal("9185788706ad8d475d2410ce07554aeff7a212418159a8fa8ef2b3cb4a883b62", new uint256(buff).ToString());
#endif
HashStream stream = new HashStream();
stream.SingleSHA256 = true;
stream.InitializeTagged("lol");
stream.Write(new byte[32], 0, 32);
var actual = stream.GetHash();
Assert.Equal("9185788706ad8d475d2410ce07554aeff7a212418159a8fa8ef2b3cb4a883b62", actual.ToString());
}
/// <summary>
/// Generates the hash of a <see cref="BlockHeader"/>.
/// </summary>
/// <returns>A hash.</returns>
public virtual uint256 GetHash()
{
uint256 hash = null;
uint256[] hashes = this.hashes;
if (hashes != null)
{
hash = hashes[0];
}
if (hash != null)
{
return(hash);
}
if (true)
{
if (this.version > 6 && false)
{
hash = Hashes.Hash256(this.ToBytes());
}
else
{
hash = this.GetPoWHash();
}
}
else
{
using (HashStream hs = new HashStream())
{
this.ReadWrite(new BitcoinStream(hs, true));
hash = hs.GetHash();
}
}
hashes = this.hashes;
if (hashes != null)
{
hashes[0] = hash;
}
return(hash);
}
public uint256 GetHash(NetworkOptions options)
{
uint256 hash = null;
uint256[] hashes = this.hashes;
if (hashes != null)
{
hash = hashes[0];
}
if (hash != null)
{
return(hash);
}
if (options.IsProofOfStake)
{
if (this.version > 6)
{
hash = Hashes.Hash256(this.ToBytes());
}
else
{
hash = this.GetPoWHash();
}
}
else
{
using (HashStream hs = new HashStream())
{
this.ReadWrite(new BitcoinStream(hs, true));
hash = hs.GetHash();
}
}
hashes = this.hashes;
if (hashes != null)
{
hashes[0] = hash;
}
return(hash);
}
public uint256 GetHash()
{
uint256 h = null;
var hashes = _Hashes;
if (hashes != null)
{
h = hashes[0];
}
if (h != null)
{
return(h);
}
if (Block.BlockSignature)
{
if (this.nVersion > 6)
{
h = Hashes.Hash256(this.ToBytes());
}
else
{
h = this.GetPoWHash();
}
}
else
{
using (HashStream hs = new HashStream())
{
this.ReadWrite(new BitcoinStream(hs, true));
h = hs.GetHash();
}
}
hashes = _Hashes;
if (hashes != null)
{
hashes[0] = h;
}
return(h);
}
public Hash128 GetHash()
{
return(m_Stream.GetHash().ToHash128());
}
