private void Test_storage_key(int keyLength)
{
var r = new Random();
Span <byte> scriptHashSpan = stackalloc byte[HashHelpers.Hash160Size];
r.NextBytes(scriptHashSpan);
UInt160 scriptHash = new UInt160(scriptHashSpan);
var keyBuffer = new byte[keyLength];
r.NextBytes(keyBuffer);
var key1 = new StorageKey(scriptHash, keyBuffer);
key1.ScriptHash.Should().Be(scriptHash);
key1.Key.Span.SequenceEqual(keyBuffer).Should().BeTrue();
var writeBuffer = new byte[key1.GetSize()];
key1.TryWrite(writeBuffer, out var bytesWritten).Should().BeTrue();
bytesWritten.Should().Be(writeBuffer.Length);
BinaryFormat.TryReadBytes(writeBuffer, out var key2).Should().BeTrue();
key2.ScriptHash.Should().Be(scriptHash);
key2.Key.Span.SequenceEqual(keyBuffer).Should().BeTrue();
}