public static TransactionForRpc ToTransactionForRpc(this IWeb3EthApi api, DeltaWithCid deltaWithCid, int transactionIndex)
{
var(delta, deltaCid) = deltaWithCid;
var publicEntry = delta.PublicEntries[transactionIndex];
var deltaNumber = delta.DeltaNumber;
return(new TransactionForRpc
{
GasPrice = publicEntry.GasPrice.ToUInt256(),
BlockHash = deltaCid,
BlockNumber = (UInt256)deltaNumber,
Nonce = publicEntry.Nonce,
To = ToAddress(publicEntry.ReceiverAddress),
From = ToAddress(publicEntry.SenderAddress),
Value = publicEntry.Amount.ToUInt256(),
Hash = publicEntry.GetHash(api.HashProvider),
Data = publicEntry.Data.ToByteArray(),
R = new byte[0],
S = new byte[0],
V = UInt256.Zero,
Gas = publicEntry.GasLimit,
TransactionIndex = (UInt256)transactionIndex
});
}
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);
}
public static CallOutputTracer CallAndRestore(this IWeb3EthApi api, TransactionForRpc transactionCall, DeltaWithCid deltaWithCid)
{
var parentDelta = deltaWithCid.Delta;
Keccak root = parentDelta.StateRoot.ToKeccak();
if (transactionCall.Gas == null)
{
transactionCall.Gas = parentDelta.GasLimit;
}
var publicEntry = api.ToPublicEntry(transactionCall, root);
var newDelta = deltaWithCid.CreateOneOffDelta(publicEntry);
CallOutputTracer callOutputTracer = new CallOutputTracer();
api.StateProvider.StateRoot = root;
api.Executor.CallAndReset(newDelta, callOutputTracer);
api.StateProvider.Reset();
api.StorageProvider.Reset();
return(callOutputTracer);
}
