feature: decoding raw tx data used in /sendrawtransaction

This commit is contained in:
moneroexamples 2017-01-27 03:44:52 +00:00
parent 0f731443dd
commit 8fc1245885
1 changed files with 44 additions and 5 deletions

View File

@ -2007,12 +2007,51 @@ public:
if (strncmp(decoded_raw_tx_data.c_str(), SIGNED_TX_PREFIX, magiclen) != 0)
{
string msg = fmt::format("The data is neither unsigned nor signed tx! Its prefix is: {:s}",
data_prefix);
cout << msg << endl;
return string(msg);
}
// ok, so its not signed tx data. but maybe it is raw tx data
// used in rpc call "/sendrawtransaction". This is for example
// used in mymonero and openmonero projects.
// to check this, first we need to encode data back to base64.
// the reason is that txs submited to "/sendrawtransaction"
// are not base64, and we earlier always asume it is base64.
// string reencoded_raw_tx_data = epee::string_encoding::base64_decode(raw_tx_data);
cout << "raw_tx_data: " << raw_tx_data << endl;
cryptonote::blobdata tx_data_blob;
if (!epee::string_tools::parse_hexstr_to_binbuff(raw_tx_data, tx_data_blob))
{
string msg = fmt::format("The data is neither unsigned, signed tx or raw tx! "
"Its prefix is: {:s}",
data_prefix);
cout << msg << endl;
return string(msg);
}
crypto::hash tx_hash_from_blob;
crypto::hash tx_prefix_hash_from_blob;
cryptonote::transaction tx_from_blob;
if (!cryptonote::parse_and_validate_tx_from_blob(tx_data_blob,
tx_from_blob,
tx_hash_from_blob,
tx_prefix_hash_from_blob))
{
string msg = fmt::format("failed to validate transaction");
cout << msg << endl;
return string(msg);
}
cout << "tx_from_blob.vout.size(): " << tx_from_blob.vout.size() << endl;
} // if (strncmp(decoded_raw_tx_data.c_str(), SIGNED_TX_PREFIX, magiclen) != 0)
context["data_prefix"] = data_prefix;