public static KzUInt160 RIPEMD160(ReadOnlySequence <byte> data)
{
var h = new KzUInt160();
RIPEMD160(data, h.Span);
return(h);
}
public static KzUInt160 SHA1(this ReadOnlySpan <byte> data)
{
var hash = new KzUInt160();
SHA1(data, hash.Span);
return(hash);
}
public IEnumerable <(KzTransaction tx, KzTxOut o, int i)> GetOutputsSendingToAddresses(KzUInt160[] addresses)
{
var v = new KzUInt160();
foreach (var tx in Txs)
{
foreach (var o in tx.Vout)
{
foreach (var op in o.ScriptPub.Decode())
{
if (op.Code == KzOpcode.OP_PUSH20)
{
op.Data.ToSpan().CopyTo(v.Span);
var i = Array.BinarySearch <KzUInt160>(addresses, v);
if (i >= 0)
{
yield return(tx, o, i);
}
}
}
}
}
}
public static bool VerifyMessage(this KzUInt160 keyID, string message, string signature) => VerifyMessage(keyID, message.UTF8ToBytes(), Convert.FromBase64String(signature));
public static bool VerifyMessage(this KzUInt160 keyID, ReadOnlySpan <byte> message, ReadOnlySpan <byte> signature)
{
var rkey = RecoverPubKeyFromMessage(message, signature);
return(rkey != null && rkey.GetID() == keyID);
}
public IKzWriter Add(KzUInt160 v)
{
v.Span.CopyTo(Memory.Span.Slice(Length)); Length += 20; return(this);
}
public IKzWriter Add(KzUInt160 v)
{
Length += 20; return(this);
}
public IKzWriter Add(KzUInt160 v)
{
_alg.TransformBlock(v.ReadOnlySpan); return(this);
}
