public static bool TryGetDeltaWithCid(this IWeb3EthApi api, BlockParameter block, out DeltaWithCid delta)
{
Cid cid;
switch (block.Type)
{
case BlockParameterType.Earliest:
cid = api.DeltaCache.GenesisHash;
break;
case BlockParameterType.Latest:
cid = api.DeltaResolver.LatestDelta;
break;
case BlockParameterType.Pending:
cid = api.DeltaResolver.LatestDelta;
break;
case BlockParameterType.BlockNumber:
var blockNumber = block.BlockNumber.Value;
if (!api.DeltaResolver.TryResolve(blockNumber, out cid))
{
delta = default;
return(false);
}
break;
default:
throw new ArgumentOutOfRangeException();
}
delta = api.GetDeltaWithCid(cid);
return(true);
}
protected override BlockForRpc Handle(BlockParameter block, IWeb3EthApi api)
{
Cid deltaHash;
long blockNumber;
IDeltaCache deltaCache = api.DeltaCache;
IDeltaResolver deltaResolver = api.DeltaResolver;
switch (block.Type)
{
case BlockParameterType.Earliest:
deltaHash = deltaCache.GenesisHash;
blockNumber = 0;
break;
case BlockParameterType.Latest:
deltaHash = deltaResolver.LatestDelta;
blockNumber = deltaResolver.LatestDeltaNumber;
break;
case BlockParameterType.Pending:
deltaHash = deltaResolver.LatestDelta;
blockNumber = deltaResolver.LatestDeltaNumber;
break;
case BlockParameterType.BlockNumber:
blockNumber = block.BlockNumber.Value;
if (!deltaResolver.TryResolve(blockNumber, out deltaHash))
{
return(null);
}
break;
default:
throw new ArgumentOutOfRangeException();
}
DeltaWithCid deltaWithCid = api.GetDeltaWithCid(deltaHash);
return(BuildBlock(deltaWithCid, blockNumber, api.HashProvider));
}
protected override BlockForRpc Handle(Keccak deltaHash, IWeb3EthApi api)
{
DeltaWithCid deltaWithCid = api.GetDeltaWithCid(deltaHash.ToCid());
return(BuildBlock(deltaWithCid, deltaWithCid.Delta.DeltaNumber, api.HashProvider));
}
protected override TransactionForRpc Handle(Keccak deltaHash, int positionIndex, IWeb3EthApi api)
{
var delta = api.GetDeltaWithCid(deltaHash.ToCid());
return(api.ToTransactionForRpc(delta, positionIndex));
}