static Json::Value signPayment(
Json::Value const& params,
Json::Value& tx_json,
RippleAddress const& raSrcAddressID,
RPCDetail::LedgerFacade& ledgerFacade,
Role role)
{
RippleAddress dstAccountID;
if (!tx_json.isMember ("Amount"))
return RPC::missing_field_error ("tx_json.Amount");
STAmount amount;
if (! amountFromJsonNoThrow (amount, tx_json ["Amount"]))
return RPC::invalid_field_error ("tx_json.Amount");
if (!tx_json.isMember ("Destination"))
return RPC::missing_field_error ("tx_json.Destination");
if (!dstAccountID.setAccountID (tx_json["Destination"].asString ()))
return RPC::invalid_field_error ("tx_json.Destination");
if (tx_json.isMember ("Paths") && params.isMember ("build_path"))
return RPC::make_error (rpcINVALID_PARAMS,
"Cannot specify both 'tx_json.Paths' and 'build_path'");
if (!tx_json.isMember ("Paths")
&& tx_json.isMember ("Amount")
&& params.isMember ("build_path"))
{
// Need a ripple path.
Currency uSrcCurrencyID;
Account uSrcIssuerID;
STAmount saSendMax;
if (tx_json.isMember ("SendMax"))
{
if (! amountFromJsonNoThrow (saSendMax, tx_json ["SendMax"]))
return RPC::invalid_field_error ("tx_json.SendMax");
}
else
{
// If no SendMax, default to Amount with sender as issuer.
saSendMax = amount;
saSendMax.setIssuer (raSrcAddressID.getAccountID ());
}
if (saSendMax.isNative () && amount.isNative ())
return RPC::make_error (rpcINVALID_PARAMS,
"Cannot build XRP to XRP paths.");
{
LegacyPathFind lpf (role == Role::ADMIN);
if (!lpf.isOk ())
return rpcError (rpcTOO_BUSY);
STPathSet spsPaths;
STPath fullLiquidityPath;
bool valid = ledgerFacade.findPathsForOneIssuer (
dstAccountID,
saSendMax.issue (),
amount,
getConfig ().PATH_SEARCH_OLD,
4, // iMaxPaths
spsPaths,
fullLiquidityPath);
if (!valid)
{
WriteLog (lsDEBUG, RPCHandler)
<< "transactionSign: build_path: No paths found.";
return rpcError (rpcNO_PATH);
}
WriteLog (lsDEBUG, RPCHandler)
<< "transactionSign: build_path: "
<< spsPaths.getJson (0);
if (!spsPaths.empty ())
tx_json["Paths"] = spsPaths.getJson (0);
}
}
return Json::Value();
}
static Json::Value signPayment(
Json::Value const& params,
Json::Value& tx_json,
RippleAddress const& raSrcAddressID,
Ledger::pointer lSnapshot,
int role)
{
RippleAddress dstAccountID;
if (!tx_json.isMember ("Amount"))
return RPC::missing_field_error ("tx_json.Amount");
STAmount amount;
if (!amount.bSetJson (tx_json ["Amount"]))
return RPC::invalid_field_error ("tx_json.Amount");
if (!tx_json.isMember ("Destination"))
return RPC::missing_field_error ("tx_json.Destination");
if (!dstAccountID.setAccountID (tx_json["Destination"].asString ()))
return RPC::invalid_field_error ("tx_json.Destination");
if (tx_json.isMember ("Paths") && params.isMember ("build_path"))
return RPC::make_error (rpcINVALID_PARAMS,
"Cannot specify both 'tx_json.Paths' and 'tx_json.build_path'");
if (!tx_json.isMember ("Paths")
&& tx_json.isMember ("Amount")
&& params.isMember ("build_path"))
{
// Need a ripple path.
STPathSet spsPaths;
uint160 uSrcCurrencyID;
uint160 uSrcIssuerID;
STAmount saSendMax;
if (tx_json.isMember ("SendMax"))
{
if (!saSendMax.bSetJson (tx_json ["SendMax"]))
return RPC::invalid_field_error ("tx_json.SendMax");
}
else
{
// If no SendMax, default to Amount with sender as issuer.
saSendMax = amount;
saSendMax.setIssuer (raSrcAddressID.getAccountID ());
}
if (saSendMax.isNative () && amount.isNative ())
return RPC::make_error (rpcINVALID_PARAMS,
"Cannot build STR to STR paths.");
{
LegacyPathFind lpf (role == Config::ADMIN);
if (!lpf.isOk ())
return rpcError (rpcTOO_BUSY);
bool bValid;
auto cache = boost::make_shared<RippleLineCache> (lSnapshot);
Pathfinder pf (cache, raSrcAddressID, dstAccountID,
saSendMax.getCurrency (), saSendMax.getIssuer (),
amount, bValid);
STPath extraPath;
if (!bValid || !pf.findPaths (getConfig ().PATH_SEARCH_OLD, 4, spsPaths, extraPath))
{
WriteLog (lsDEBUG, RPCHandler)
<< "transactionSign: build_path: No paths found.";
return rpcError (rpcNO_PATH);
}
WriteLog (lsDEBUG, RPCHandler)
<< "transactionSign: build_path: "
<< spsPaths.getJson (0);
if (!spsPaths.isEmpty ())
tx_json["Paths"] = spsPaths.getJson (0);
}
}
return Json::Value();
}