public static TItem Get <TItem>(this IDb db, Keccak key, IRlpDecoder <TItem> decoder, ICache <Keccak, TItem> cache = null, bool shouldCache = true) where TItem : class
{
TItem item = cache?.Get(key);
if (item == null)
{
if (db is IDbWithSpan spanDb && decoder is IRlpValueDecoder <TItem> valueDecoder)
{
Span <byte> data = spanDb.GetSpan(key);
if (data.IsNullOrEmpty())
{
return(null);
}
try
{
var rlpValueContext = data.AsRlpValueContext();
item = valueDecoder.Decode(ref rlpValueContext, RlpBehaviors.AllowExtraData);
}
finally
{
spanDb.DangerousReleaseMemory(data);
}
}
else
{
byte[] data = db.Get(key);
if (data == null)
{
return(null);
}
item = decoder.Decode(data.AsRlpStream(), RlpBehaviors.AllowExtraData);
}
}
public static T[] DecodeArray <T>(this IRlpDecoder <T> decoder, RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
{
int checkPosition = rlpStream.ReadSequenceLength() + rlpStream.Position;
T[] result = new T[rlpStream.ReadNumberOfItemsRemaining(checkPosition)];
for (int i = 0; i < result.Length; i++)
{
result[i] = decoder.Decode(rlpStream, rlpBehaviors);
}
return(result);
}
public static T[] DecodeArray <T>(DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
{
if (Decoders.ContainsKey(typeof(T)))
{
IRlpDecoder <T> decoder = (IRlpDecoder <T>)Decoders[typeof(T)];
int checkPosition = context.ReadSequenceLength() + context.Position;
T[] result = new T[context.ReadNumberOfItemsRemaining(checkPosition)];
for (int i = 0; i < result.Length; i++)
{
result[i] = decoder.Decode(context, rlpBehaviors);
}
return(result);
}
throw new RlpException($"{nameof(Rlp)} does not support decoding {typeof(T).Name}");
}
private DepositApproval Decode(byte[] bytes)
=> bytes is null
? null
: _rlpDecoder.Decode(bytes.AsRlpStream());
private DepositDetails Decode(byte[] bytes) => _rlpDecoder.Decode(bytes.AsRlpStream());
private DataDeliveryReceiptDetails Decode(byte[] bytes) => _rlpDecoder.Decode(bytes.AsRlpStream());
private DepositDetails Decode(byte[] bytes)
=> bytes is null
? null
: _rlpDecoder.Decode(bytes.AsRlpContext());
private NdmConfig Decode(byte[] bytes)
=> bytes is null
? null
: _rlpDecoder.Decode(bytes.AsRlpContext());
private EthRequest Decode(byte[] bytes)
=> bytes is null
? null
: _rlpDecoder.Decode(bytes.AsRlpContext());
private DataDeliveryReceiptDetails Decode(byte[] bytes)
=> bytes is null
? null
: _rlpDecoder.Decode(bytes.AsRlpContext());
private EthRequest Decode(byte[] bytes)
=> bytes is null
? null
: _rlpDecoder.Decode(bytes.AsRlpStream());
private EthRequest Decode(byte[] bytes) => _rlpDecoder.Decode(bytes.AsRlpStream());
private ConsumerSession Decode(byte[] bytes) => _rlpDecoder.Decode(bytes.AsRlpStream());
private DepositApproval Decode(byte[] bytes) => _rlpDecoder.Decode(bytes.AsRlpStream());
private NdmConfig Decode(byte[] bytes)
=> bytes is null
? null
: _rlpDecoder.Decode(bytes.AsRlpStream());
private ConsumerSession Decode(byte[] bytes)
=> bytes is null
? null
: _rlpDecoder.Decode(bytes.AsRlpStream());
