private ContractState GetHistoricalContractState(Trie trie, UInt160 script_hash)
{
const byte prefix = 8;
StorageKey skey = new KeyBuilder(NativeContract.ContractManagement.Id, prefix).Add(script_hash);
return(trie.TryGetValue(skey.ToArray(), out var value) ? value.AsSerializable <StorageItem>().GetInteroperable <ContractState>() : null);
}
public void Test()
{
var key = new KeyBuilder(1, 2);
Assert.AreEqual("0100000002", key.ToArray().ToHexString());
key = new KeyBuilder(1, 2);
key = key.Add(new byte[] { 3, 4 });
Assert.AreEqual("01000000020304", key.ToArray().ToHexString());
key = new KeyBuilder(1, 2);
key = key.Add(new byte[] { 3, 4 });
key = key.Add(UInt160.Zero);
Assert.AreEqual("010000000203040000000000000000000000000000000000000000", key.ToArray().ToHexString());
key = new KeyBuilder(1, 2);
key = key.Add(new a()
{
x = 123
});
Assert.AreEqual("01000000027b000000", key.ToArray().ToHexString());
key = new KeyBuilder(1, 0);
key = key.AddBigEndian(new a()
{
x = 1
});
Assert.AreEqual("010000000000000001", key.ToArray().ToHexString());
}