private async Task <string> SignTransactionAsync(ICeloEthExternalSigner externalSigner, CeloTransactionChainId transaction)
{
await transaction.SignExternallyAsync(externalSigner).ConfigureAwait(false);
return(transaction.GetRLPEncoded().ToHex());
}
private string SignTransaction(byte[] privateKey, CeloTransactionChainId transaction)
{
transaction.Sign(new EthECKey(privateKey, true));
return(transaction.GetRLPEncoded().ToHex());
}