// {
// ledger_hash : <ledger>
// ledger_index : <ledger_index>
// ...
// }
Json::Value RPCHandler::doLedgerEntry (Json::Value params, Resource::Charge& loadType, Application::ScopedLockType& masterLockHolder)
{
masterLockHolder.unlock ();
Ledger::pointer lpLedger;
Json::Value jvResult = RPC::lookupLedger (params, lpLedger, *mNetOps);
if (!lpLedger)
return jvResult;
uint256 uNodeIndex;
bool bNodeBinary = false;
if (params.isMember ("index"))
{
// XXX Needs to provide proof.
uNodeIndex.SetHex (params["index"].asString ());
bNodeBinary = true;
}
else if (params.isMember ("account_root"))
{
RippleAddress naAccount;
if (!naAccount.setAccountID (params["account_root"].asString ())
|| !naAccount.getAccountID ())
{
jvResult["error"] = "malformedAddress";
}
else
{
uNodeIndex = Ledger::getAccountRootIndex (naAccount.getAccountID ());
}
}
else if (params.isMember ("directory"))
{
if (!params["directory"].isObject ())
{
uNodeIndex.SetHex (params["directory"].asString ());
}
else if (params["directory"].isMember ("sub_index")
&& !params["directory"]["sub_index"].isIntegral ())
{
jvResult["error"] = "malformedRequest";
}
else
{
std::uint64_t uSubIndex = params["directory"].isMember ("sub_index")
? params["directory"]["sub_index"].asUInt ()
: 0;
if (params["directory"].isMember ("dir_root"))
{
uint256 uDirRoot;
uDirRoot.SetHex (params["dir_root"].asString ());
uNodeIndex = Ledger::getDirNodeIndex (uDirRoot, uSubIndex);
}
else if (params["directory"].isMember ("owner"))
{
RippleAddress naOwnerID;
if (!naOwnerID.setAccountID (params["directory"]["owner"].asString ()))
{
jvResult["error"] = "malformedAddress";
}
else
{
uint256 uDirRoot = Ledger::getOwnerDirIndex (naOwnerID.getAccountID ());
uNodeIndex = Ledger::getDirNodeIndex (uDirRoot, uSubIndex);
}
}
else
{
jvResult["error"] = "malformedRequest";
}
}
}
else if (params.isMember ("generator"))
{
RippleAddress naGeneratorID;
if (!params["generator"].isObject ())
{
uNodeIndex.SetHex (params["generator"].asString ());
}
else if (!params["generator"].isMember ("regular_seed"))
{
jvResult["error"] = "malformedRequest";
}
else if (!naGeneratorID.setSeedGeneric (params["generator"]["regular_seed"].asString ()))
{
jvResult["error"] = "malformedAddress";
}
else
{
RippleAddress na0Public; // To find the generator's index.
RippleAddress naGenerator = RippleAddress::createGeneratorPublic (naGeneratorID);
na0Public.setAccountPublic (naGenerator, 0);
uNodeIndex = Ledger::getGeneratorIndex (na0Public.getAccountID ());
}
}
else if (params.isMember ("offer"))
{
RippleAddress naAccountID;
if (!params["offer"].isObject ())
{
uNodeIndex.SetHex (params["offer"].asString ());
}
else if (!params["offer"].isMember ("account")
|| !params["offer"].isMember ("seq")
|| !params["offer"]["seq"].isIntegral ())
{
jvResult["error"] = "malformedRequest";
}
else if (!naAccountID.setAccountID (params["offer"]["account"].asString ()))
{
jvResult["error"] = "malformedAddress";
}
else
{
std::uint32_t uSequence = params["offer"]["seq"].asUInt ();
uNodeIndex = Ledger::getOfferIndex (naAccountID.getAccountID (), uSequence);
}
}
else if (params.isMember ("ripple_state"))
{
RippleAddress naA;
RippleAddress naB;
uint160 uCurrency;
Json::Value jvRippleState = params["ripple_state"];
if (!jvRippleState.isObject ()
|| !jvRippleState.isMember ("currency")
|| !jvRippleState.isMember ("accounts")
|| !jvRippleState["accounts"].isArray ()
|| 2 != jvRippleState["accounts"].size ()
|| !jvRippleState["accounts"][0u].isString ()
|| !jvRippleState["accounts"][1u].isString ()
|| jvRippleState["accounts"][0u].asString () == jvRippleState["accounts"][1u].asString ()
)
{
jvResult["error"] = "malformedRequest";
}
else if (!naA.setAccountID (jvRippleState["accounts"][0u].asString ())
|| !naB.setAccountID (jvRippleState["accounts"][1u].asString ()))
{
jvResult["error"] = "malformedAddress";
}
else if (!STAmount::currencyFromString (uCurrency, jvRippleState["currency"].asString ()))
{
jvResult["error"] = "malformedCurrency";
}
else
{
uNodeIndex = Ledger::getRippleStateIndex (naA, naB, uCurrency);
}
}
else
{
jvResult["error"] = "unknownOption";
}
if (uNodeIndex.isNonZero ())
{
SLE::pointer sleNode = mNetOps->getSLEi (lpLedger, uNodeIndex);
if (params.isMember("binary"))
bNodeBinary = params["binary"].asBool();
if (!sleNode)
{
// Not found.
// XXX Should also provide proof.
jvResult["error"] = "entryNotFound";
}
else if (bNodeBinary)
{
// XXX Should also provide proof.
Serializer s;
sleNode->add (s);
jvResult["node_binary"] = strHex (s.peekData ());
jvResult["index"] = uNodeIndex.ToString ();
}
else
{
jvResult["node"] = sleNode->getJson (0);
jvResult["index"] = uNodeIndex.ToString ();
}
}
return jvResult;
}
