public string GetCode(string contractAddr, string blockId)
{
var hash = contractAddr.HexToUInt160();
if (hash is null)
{
return("");
}
if (!blockId.Equals("pending"))
{
var snapshot = GetSnapshotByTag(blockId);
if (snapshot is null)
{
return("");
}
var contractByHash = snapshot.Contracts.GetContractByHash(hash);
return(contractByHash != null?Web3DataFormatUtils.Web3Data(contractByHash !.ByteCode) : "");
}
// getting Code for "pending"
// look for the code in latest snapshot first
var contractFromLatest = _stateManager.LastApprovedSnapshot.Contracts.GetContractByHash(hash);
if (contractFromLatest != null)
{
return(Web3DataFormatUtils.Web3Data(contractFromLatest !.ByteCode));
}
// look for the code in pool
var txHashPool = _transactionPool.Transactions.Keys;
foreach (var txHash in txHashPool)
{
var receipt = _transactionPool.GetByHash(txHash);
if (receipt is null)
{
continue;
}
if (receipt.Transaction.To.Buffer.IsEmpty || receipt.Transaction.To.IsZero()) // this is deploy transaction
{
// find the contract address where this contract will be deployed
var address = UInt160Utils.Zero.ToBytes().Ripemd();
if (receipt.Transaction?.From != null)
{
address = receipt.Transaction.From.ToBytes()
.Concat(receipt.Transaction.Nonce.ToBytes())
.Ripemd();
}
if (address.Equals(hash) && receipt !.Transaction != null)
{
return(Web3DataFormatUtils.Web3Data(receipt !.Transaction !.Invocation.ToArray()));
}
}
}
// contract was not found anywhere
return("");
}
private JObject?GetTransactionPoolByHash(string txHash)
{
var transaction = _transactionPool.GetByHash(HexUtils.HexToUInt256(txHash));
return(transaction?.ToJson());
}
public JObject?GetTransactionPoolByHash(string txHash)
{
var transaction = _transactionPool.GetByHash(txHash.HexToUInt256());
return(transaction?.ToJson());
}