// Look up the master public generator for a regular seed so we may index source accounts ids.
// --> naRegularSeed
// <-- naMasterGenerator
Json::Value getMasterGenerator (
Ledger::ref lrLedger, const RippleAddress& naRegularSeed,
RippleAddress& naMasterGenerator, NetworkOPs& netOps)
{
RippleAddress na0Public; // To find the generator's index.
RippleAddress na0Private; // To decrypt the master generator's cipher.
RippleAddress naGenerator = RippleAddress::createGeneratorPublic (naRegularSeed);
na0Public.setAccountPublic (naGenerator, 0);
na0Private.setAccountPrivate (naGenerator, naRegularSeed, 0);
SLE::pointer sleGen = netOps.getGenerator (lrLedger, na0Public.getAccountID ());
if (!sleGen)
{
// No account has been claimed or has had it password set for seed.
return rpcError (rpcNO_ACCOUNT);
}
Blob vucCipher = sleGen->getFieldVL (sfGenerator);
Blob vucMasterGenerator = na0Private.accountPrivateDecrypt (na0Public, vucCipher);
if (vucMasterGenerator.empty ())
{
return rpcError (rpcFAIL_GEN_DECRYPT);
}
naMasterGenerator.setGenerator (vucMasterGenerator);
return Json::Value (Json::objectValue);
}
Json::Value accounts (
Ledger::ref lrLedger,
RippleAddress const& naMasterGenerator,
NetworkOPs& netOps)
{
Json::Value jsonAccounts (Json::arrayValue);
// YYY Don't want to leak to thin server that these accounts are related.
// YYY Would be best to alternate requests to servers and to cache results.
unsigned int uIndex = 0;
do
{
RippleAddress naAccount;
naAccount.setAccountPublic (naMasterGenerator, uIndex++);
AccountState::pointer as = netOps.getAccountState (lrLedger, naAccount);
if (as)
{
Json::Value jsonAccount (Json::objectValue);
as->addJson (jsonAccount);
jsonAccounts.append (jsonAccount);
}
else
{
uIndex = 0;
}
}
while (uIndex);
return jsonAccounts;
}
// --> strIdent: public key, account ID, or regular seed.
// --> bStrict: Only allow account id or public key.
// <-- bIndex: true if iIndex > 0 and used the index.
Json::Value accountFromString (Ledger::ref lrLedger, RippleAddress& naAccount,
bool& bIndex, const std::string& strIdent,
const int iIndex, const bool bStrict, NetworkOPs& netOps)
{
RippleAddress naSeed;
if (naAccount.setAccountPublic (strIdent) || naAccount.setAccountID (strIdent))
{
// Got the account.
bIndex = false;
}
else if (bStrict)
{
return naAccount.setAccountID (strIdent, Base58::getBitcoinAlphabet ())
? rpcError (rpcACT_BITCOIN)
: rpcError (rpcACT_MALFORMED);
}
// Must be a seed.
else if (!naSeed.setSeedGeneric (strIdent))
{
return rpcError (rpcBAD_SEED);
}
else
{
// We allow the use of the seeds to access #0.
// This is poor practice and merely for debuging convenience.
RippleAddress naRegular0Public;
RippleAddress naRegular0Private;
RippleAddress naGenerator = RippleAddress::createGeneratorPublic (naSeed);
naRegular0Public.setAccountPublic (naGenerator, 0);
naRegular0Private.setAccountPrivate (naGenerator, naSeed, 0);
// Account uGeneratorID = naRegular0Public.getAccountID();
SLE::pointer sleGen = netOps.getGenerator (lrLedger, naRegular0Public.getAccountID ());
if (!sleGen)
{
// Didn't find a generator map, assume it is a master generator.
}
else
{
// Found master public key.
Blob vucCipher = sleGen->getFieldVL (sfGenerator);
Blob vucMasterGenerator = naRegular0Private.accountPrivateDecrypt (naRegular0Public, vucCipher);
if (vucMasterGenerator.empty ())
{
rpcError (rpcNO_GEN_DECRYPT);
}
naGenerator.setGenerator (vucMasterGenerator);
}
bIndex = !iIndex;
naAccount.setAccountPublic (naGenerator, iIndex);
}
return Json::Value (Json::objectValue);
}
// VFALCO TODO This function should take a reference to the params, modify it
// as needed, and then there should be a separate function to
// submit the transaction
//
Json::Value transactionSign (
Json::Value params, bool bSubmit, bool bFailHard,
Application::ScopedLockType& mlh, NetworkOPs& netOps, int role)
{
Json::Value jvResult;
WriteLog (lsDEBUG, RPCHandler) << "transactionSign: " << params;
if (! params.isMember ("secret"))
return RPC::missing_field_error ("secret");
if (! params.isMember ("tx_json"))
return RPC::missing_field_error ("tx_json");
RippleAddress naSeed;
if (! naSeed.setSeedGeneric (params["secret"].asString ()))
return RPC::make_error (rpcBAD_SEED,
RPC::invalid_field_message ("secret"));
Json::Value& tx_json (params ["tx_json"]);
if (! tx_json.isObject ())
return RPC::object_field_error ("tx_json");
if (! tx_json.isMember ("TransactionType"))
return RPC::missing_field_error ("tx_json.TransactionType");
std::string const sType = tx_json ["TransactionType"].asString ();
if (! tx_json.isMember ("Account"))
return RPC::make_error (rpcSRC_ACT_MISSING,
RPC::missing_field_message ("tx_json.Account"));
RippleAddress raSrcAddressID;
if (! raSrcAddressID.setAccountID (tx_json["Account"].asString ()))
return RPC::make_error (rpcSRC_ACT_MALFORMED,
RPC::invalid_field_message ("tx_json.Account"));
bool const verify = !(params.isMember ("offline")
&& params["offline"].asBool ());
if (!tx_json.isMember ("Sequence") && !verify)
return RPC::missing_field_error ("tx_json.Sequence");
// Check for current ledger
if (verify && !getConfig ().RUN_STANDALONE &&
(getApp().getLedgerMaster().getValidatedLedgerAge() > 120))
return rpcError (rpcNO_CURRENT);
// Check for load
if (getApp().getFeeTrack().isLoadedCluster() && (role != Config::ADMIN))
return rpcError(rpcTOO_BUSY);
Ledger::pointer lSnapshot = netOps.getCurrentLedger ();
AccountState::pointer asSrc;
if (verify) {
asSrc = netOps.getAccountState (lSnapshot, raSrcAddressID);
if (!asSrc)
{
// If not offline and did not find account, error.
WriteLog (lsDEBUG, RPCHandler)
<< "transactionSign: Failed to find source account in current ledger: "
<< raSrcAddressID.humanAccountID ();
return rpcError (rpcSRC_ACT_NOT_FOUND);
}
}
autofill_fee (params, lSnapshot, jvResult, role == Config::ADMIN);
if (RPC::contains_error (jvResult))
return jvResult;
if ("Payment" == sType)
{
auto e = signPayment(params, tx_json, raSrcAddressID, lSnapshot, role);
if (contains_error(e))
return e;
}
if ("Genesis" == sType)
{
auto e = signGenesis(params, tx_json, raSrcAddressID, lSnapshot, role);
if (contains_error(e))
return e;
}
if ("Transfer" == sType)
{
auto e = signTransfer(params, tx_json, raSrcAddressID, lSnapshot, role);
if (contains_error(e))
return e;
}
if ("AccountCreate" == sType)
{
auto e = signAccountCreate(params, tx_json, raSrcAddressID, lSnapshot, role);
if (contains_error(e))
return e;
}
if (!tx_json.isMember ("Fee")) {
auto const& transactionType = tx_json["TransactionType"].asString ();
if ("AccountSet" == transactionType
|| "OfferCreate" == transactionType
|| "OfferCancel" == transactionType
|| "TrustSet" == transactionType)
{
tx_json["Fee"] = (int) getConfig ().FEE_DEFAULT;
}
}
if (!tx_json.isMember ("Sequence"))
tx_json["Sequence"] = asSrc->getSeq ();
if (!tx_json.isMember ("Flags"))
tx_json["Flags"] = tfFullyCanonicalSig;
if (verify)
{
SLE::pointer sleAccountRoot = netOps.getSLEi (lSnapshot,
Ledger::getAccountRootIndex (raSrcAddressID.getAccountID ()));
if (!sleAccountRoot)
// XXX Ignore transactions for accounts not created.
return rpcError (rpcSRC_ACT_NOT_FOUND);
}
RippleAddress naSecret = RippleAddress::createSeedGeneric (params["secret"].asString ());
RippleAddress masterAccountPublic = RippleAddress::createAccountPublic(naSecret);
if (verify)
{
auto account = masterAccountPublic.getAccountID();
auto const& sle = asSrc->peekSLE();
WriteLog (lsWARNING, RPCHandler) <<
"verify: " << masterAccountPublic.humanAccountID () <<
" : " << raSrcAddressID.humanAccountID ();
if (raSrcAddressID.getAccountID () == account)
{
if (sle.isFlag(lsfDisableMaster) && "Inflation" != sType)
return rpcError (rpcMASTER_DISABLED);
}
else if (!sle.isFieldPresent(sfRegularKey) ||
account != sle.getFieldAccount160 (sfRegularKey))
{
return rpcError (rpcBAD_SECRET);
}
}
STParsedJSON parsed ("tx_json", tx_json);
if (!parsed.object.get())
{
jvResult ["error"] = parsed.error ["error"];
jvResult ["error_code"] = parsed.error ["error_code"];
jvResult ["error_message"] = parsed.error ["error_message"];
return jvResult;
}
std::unique_ptr<STObject> sopTrans = std::move(parsed.object);
sopTrans->setFieldVL (sfSigningPubKey, masterAccountPublic.getAccountPublic ());
SerializedTransaction::pointer stpTrans;
try
{
stpTrans = boost::make_shared<SerializedTransaction> (*sopTrans);
}
catch (std::exception&)
{
return RPC::make_error (rpcINTERNAL,
"Exception occurred during transaction");
}
std::string reason;
if (!passesLocalChecks (*stpTrans, reason))
return RPC::make_error (rpcINVALID_PARAMS, reason);
if (params.isMember ("debug_signing"))
{
jvResult["tx_unsigned"] = strHex (
stpTrans->getSerializer ().peekData ());
jvResult["tx_signing_hash"] = to_string (stpTrans->getSigningHash ());
}
// FIXME: For performance, transactions should not be signed in this code path.
RippleAddress naAccountPrivate = RippleAddress::createAccountPrivate (naSecret);
stpTrans->sign (naAccountPrivate);
Transaction::pointer tpTrans;
tpTrans = getApp().getMasterTransaction().fetch(stpTrans->getTransactionID(), false);
if (tpTrans)
{
TER res = tpTrans->getResult();
if (!(isTelLocal(res) || isTemMalformed(res) || isTefFailure(res)))
{
tpTrans = Transaction::pointer();
}
}
if (!tpTrans)
{
try
{
tpTrans = boost::make_shared<Transaction> (stpTrans, false);
}
catch (std::exception&)
{
return RPC::make_error (rpcINTERNAL,
"Exception occurred during transaction");
}
try
{
// FIXME: For performance, should use asynch interface
tpTrans = netOps.submitTransactionSync (tpTrans,
role == Config::ADMIN, true, bFailHard, bSubmit);
if (!tpTrans)
{
return RPC::make_error (rpcINTERNAL,
"Unable to sterilize transaction.");
}
}
catch (std::exception&)
{
return RPC::make_error (rpcINTERNAL,
"Exception occurred during transaction submission.");
}
}
try
{
jvResult["tx_json"] = tpTrans->getJson (0);
jvResult["tx_blob"] = strHex (
tpTrans->getSTransaction ()->getSerializer ().peekData ());
if (temUNCERTAIN != tpTrans->getResult ())
{
std::string sToken;
std::string sHuman;
transResultInfo (tpTrans->getResult (), sToken, sHuman);
jvResult["engine_result"] = sToken;
jvResult["engine_result_code"] = tpTrans->getResult ();
jvResult["engine_result_message"] = sHuman;
}
return jvResult;
}
catch (std::exception&)
{
return RPC::make_error (rpcINTERNAL,
"Exception occurred during JSON handling.");
}
}
