public static TransactionChainId GetEthTx(this Transaction t, Signature?s, bool useNewId)
{
var nonce = t.Nonce == 0
? Array.Empty <byte>()
: new BigInteger(t.Nonce).ToByteArray().Reverse().ToArray().TrimLeadingZeros();
var sig = s is null?Array.Empty <byte>() : s.Encode().AsSpan();
var ethTx = new Nethereum.Signer.TransactionChainId(
nonce,
new BigInteger(t.GasPrice).ToByteArray().Reverse().ToArray().TrimLeadingZeros(),
new BigInteger(t.GasLimit).ToByteArray().Reverse().ToArray().TrimLeadingZeros(),
t.To.ToBytes(), // this may be empty, same as passing null
t.Value.ToBytes(false, true),
t.Invocation.ToArray(),
new BigInteger(ChainId(useNewId)).ToByteArray().Reverse().ToArray().TrimLeadingZeros(),
sig.IsEmpty ? Array.Empty <byte>() : sig.Slice(0, 32).ToArray().TrimLeadingZeros(),
sig.IsEmpty ? Array.Empty <byte>() : sig.Slice(32, 32).ToArray().TrimLeadingZeros(),
sig.IsEmpty ? Array.Empty <byte>() : sig.Slice(64, sig.Length - 64).ToArray().TrimLeadingZeros()
);
return(ethTx);
}
public bool VerifyTransaction(string rlp, BigInteger chainId)
{
var transaction = new TransactionChainId(rlp.HexToByteArray(), chainId);
return(transaction.Key.VerifyAllowingOnlyLowS(transaction.RawHash, transaction.Signature));
}
public string GetSenderAddress(string rlp, BigInteger chainId)
{
var transaction = new TransactionChainId(rlp.HexToByteArray(), chainId);
return(transaction.Key.GetPublicAddress());
}
public byte[] GetPublicKey(string rlp, BigInteger chainId)
{
var transaction = new TransactionChainId(rlp.HexToByteArray(), chainId);
return(transaction.Key.GetPubKey());
}
public byte[] GetPublicKey(string rlp, Chain chain)
{
var transaction = new TransactionChainId(rlp.HexToByteArray(), new BigInteger((int)chain));
return(transaction.Key.GetPubKey());
}
private string SignTransaction(byte[] privateKey, TransactionChainId transaction)
{
transaction.Sign(new EthECKey(privateKey, true));
return(transaction.GetRLPEncoded().ToHex());
}
public abstract Task SignAsync(TransactionChainId transaction);
private async Task <string> SignTransactionAsync(IEthECKeyExternalSigner externalSigner, TransactionChainId transaction)
{
await transaction.SignExternallyAsync(externalSigner).ConfigureAwait(false);
return(transaction.GetRLPEncoded().ToHex());
}
