public static RpcFoundStates FindStates(this RpcClient rpcClient, UInt256 rootHash, UInt160 scriptHash, ReadOnlySpan <byte> prefix, ReadOnlySpan <byte> from = default, int?count = null)
{
var @params = StateAPI.MakeFindStatesParams(rootHash, scriptHash, prefix, from, count);
var result = rpcClient.RpcSend(RpcClient.GetRpcName(), @params);
return(RpcFoundStates.FromJson(result));
}
public RpcFoundStates FindStates(UInt256 rootHash, UInt160 scriptHash, ReadOnlyMemory <byte> prefix, ReadOnlyMemory <byte> from = default, int?count = null)
{
var familyName = $"{nameof(FindStates)}{rootHash}{scriptHash}";
var family = db.GetOrCreateColumnFamily(familyName);
var keyLength = prefix.Length + from.Length + (count.HasValue ? sizeof(int) : 0);
Span <byte> key = stackalloc byte[keyLength];
prefix.Span.CopyTo(key);
if (from.Length > 0)
{
from.Span.CopyTo(key.Slice(prefix.Length));
}
if (count.HasValue)
{
BinaryPrimitives.WriteInt32LittleEndian(key.Slice(prefix.Length + from.Length), count.Value);
}
var json = GetCachedJson(key, family, () =>
{
var @params = StateAPI.MakeFindStatesParams(rootHash, scriptHash, prefix.Span, from.Span, count);
return(rpcClient.RpcSend("findstates", @params));
});
return(RpcFoundStates.FromJson(json));
}
public async Task <RpcFoundStates> FindStatesAsync(UInt256 rootHash, UInt160 scriptHash, ReadOnlyMemory <byte> prefix, ReadOnlyMemory <byte> from = default, int?count = null)
{
var @params = MakeFindStatesParams(rootHash, scriptHash, prefix.Span, from.Span, count);
var result = await rpcClient.RpcSendAsync(RpcClient.GetRpcName(), @params).ConfigureAwait(false);
return(RpcFoundStates.FromJson(result));
}