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RPC account_objects (RIPD-777)

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General RPC command that can retrieve objects in the account root.
  * Add account objects integration test.
  * Support tickets.

* Add removeElement in Json::Value
This commit is contained in:
Miguel Portilla
2015-03-06 13:26:22 -05:00
committed by Vinnie Falco
parent 0b5582ed0d
commit 4d0ed3d857
12 changed files with 561 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
src/ripple/app/misc/NetworkOPs.cpp
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@@ -246,6 +246,18 @@ public:
// Account functions
//
/** This method gathers all objects for an account in a ledger.
@param lpLedger Ledger to be searched for account objects.
@param accountID Account to find objects for.
@param startAfter Begin gathering account objects after this one.
@param hint Provides further granularity to startAfter.
@param limit Maximum number of objects to find.
@param func Function called on every object found.
*/
bool getAccountObjects (Ledger::pointer lpLedger,
Account const& accountID, uint256 const& startAfter,
std::uint64_t const hint, unsigned int limit,
std::function <bool (SLE::ref)> func) const override;
AccountState::pointer getAccountState (
Ledger::ref lrLedger, RippleAddress const& accountID);
SLE::pointer getGenerator (
@@ -1121,6 +1133,64 @@ int NetworkOPsImp::findTransactionsByDestination (
// Account functions
//
bool NetworkOPsImp::getAccountObjects (Ledger::pointer lpLedger,
Account const& accountID, uint256 const& startAfter,
std::uint64_t const hint, unsigned int limit,
std::function <bool (SLE::ref)> func) const
{
auto const rootIndex = getOwnerDirIndex (accountID);
auto currentIndex = rootIndex;
bool found = true;
if (startAfter.isNonZero ())
{
found = false;
auto const hintIndex = getDirNodeIndex (rootIndex, hint);
SLE::pointer hintDir = lpLedger->getSLEi (hintIndex);
if (hintDir != nullptr)
{
for (auto const& node : hintDir->getFieldV256 (sfIndexes))
{
if (node == startAfter)
{
// We found the hint, we can start here
currentIndex = hintIndex;
break;
}
}
}
}
for (;;)
{
auto const sleNode = lpLedger->getDirNode (currentIndex);
if (sleNode == nullptr)
return found;
for (auto const& uDirEntry : sleNode->getFieldV256(sfIndexes))
{
if (! found)
{
if (uDirEntry == startAfter)
found = true;
}
else if (func (lpLedger->getSLEi (uDirEntry)) && limit-- <= 1)
{
return true;
}
}
std::uint64_t const uNodeDir (sleNode->getFieldU64 (sfIndexNext));
if (uNodeDir == 0)
return found;
currentIndex = getDirNodeIndex (rootIndex, uNodeDir);
}
}
AccountState::pointer NetworkOPsImp::getAccountState (
Ledger::ref lrLedger, RippleAddress const& accountID)
{

4
src/ripple/app/misc/NetworkOPs.h
View File

@@ -165,6 +165,10 @@ public:
// Account functions
//
virtual bool getAccountObjects(Ledger::pointer lpLedger,
Account const& accountID, uint256 const& startAfter,
std::uint64_t const hint, unsigned int limit,
std::function <bool (SLE::ref)> func) const = 0;
virtual AccountState::pointer getAccountState (Ledger::ref lrLedger,
RippleAddress const& accountID) = 0;
virtual SLE::pointer getGenerator (Ledger::ref lrLedger,

1
src/ripple/net/impl/RPCCall.cpp
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@@ -813,6 +813,7 @@ public:
{ "account_currencies", &RPCParser::parseAccountCurrencies, 1, 2 },
{ "account_info", &RPCParser::parseAccountItems, 1, 2 },
{ "account_lines", &RPCParser::parseAccountLines, 1, 5 },
{ "account_objects", &RPCParser::parseAccountItems, 1, 4 },
{ "account_offers", &RPCParser::parseAccountItems, 1, 4 },
{ "account_tx", &RPCParser::parseAccountTransactions, 1, 8 },
{ "book_offers", &RPCParser::parseBookOffers, 2, 7 },

9
src/ripple/protocol/JsonFields.h
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@@ -59,8 +59,10 @@ JSS ( account_data ); // out: AccountInfo
JSS ( account_hash ); // out: LedgerToJson
JSS ( account_id ); // out: WalletPropose
JSS ( account_index ); // in: AccountCurrencies, AccountOffers,
// AccountInfo, AccountLines, OwnerInfo
// AccountInfo, AccountLines,
// AccountObjects, OwnerInfo
// out: AccountOffers
JSS ( account_objects ); // out: AccountObjects
JSS ( account_root ); // in: LedgerEntry
JSS ( accounts ); // in: LedgerEntry, Subscribe,
// handlers/Ledger, Unsubscribe
@@ -200,7 +202,7 @@ JSS ( ledger_min ); // in, out: AccountTx*
JSS ( ledger_time ); // out: NetworkOPs
JSS ( levels ); // LogLevels
JSS ( limit ); // in/out: AccountTx*, AccountOffers,
// AccountLines;
// AccountLines, AccountObjects
// in: LedgerData, BookOffers
JSS ( limit_peer ); // out: AccountLines
JSS ( lines ); // out: AccountLines
@@ -214,7 +216,8 @@ JSS ( load_fee ); // out: LoadFeeTrackImp
JSS ( local ); // out: resource/Logic.h
JSS ( local_txs ); // out: GetCounts
JSS ( marker ); // in/out: AccountTx, AccountOffers,
// AccountLines, LedgerData
// AccountLines, AccountObjects,
// LedgerData
// in: BookOffers
JSS ( master_key ); // out: WalletPropose
JSS ( master_seed ); // out: WalletPropose

194
src/ripple/rpc/handlers/AccountObjects.cpp Normal file
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@@ -0,0 +1,194 @@
//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012-2014 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <BeastConfig.h>
#include <ripple/rpc/impl/Tuning.h>
#include <ripple/protocol/Indexes.h>
namespace ripple {
/** General RPC command that can retrieve objects in the account root.
{
account: <account>|<account_public_key>
account_index: <integer> // optional, defaults to 0
ledger_hash: <string> // optional
ledger_index: <string | unsigned integer> // optional
limit: <integer> // optional
marker: <opaque> // optional, resume previous query
}
*/
Json::Value doAccountObjects (RPC::Context& context)
{
auto const& params = context.params;
if (! params.isMember (jss::account))
return RPC::missing_field_error (jss::account);
Ledger::pointer ledger;
Json::Value result = RPC::lookupLedger (params, ledger, context.netOps);
if (ledger == nullptr)
return result;
RippleAddress rippleAddress;
{
bool bIndex;
std::string const strIdent = params[jss::account].asString ();
int const iIndex = context.params.isMember (jss::account_index)
? context.params[jss::account_index].asUInt () : 0;
Json::Value const jv = RPC::accountFromString(ledger, rippleAddress, bIndex,
strIdent, iIndex, false, context.netOps);
if (! jv.empty ())
{
for (auto it = jv.begin (); it != jv.end (); ++it)
result[it.memberName ()] = it.key ();
return result;
}
}
if (! ledger->hasAccount (rippleAddress))
return rpcError (rpcACT_NOT_FOUND);
unsigned int limit;
if (params.isMember (jss::limit))
{
auto const& jvLimit = params[jss::limit];
if (! jvLimit.isIntegral ())
return RPC::expected_field_error (jss::limit, "unsigned integer");
limit = jvLimit.isUInt () ? jvLimit.asUInt () :
std::max (0, jvLimit.asInt ());
if (context.role != Role::ADMIN)
{
limit = std::max (RPC::Tuning::minObjectsPerRequest,
std::min (limit, RPC::Tuning::maxObjectsPerRequest));
}
}
else
{
limit = RPC::Tuning::defaultObjectsPerRequest;
}
Account const& raAccount = rippleAddress.getAccountID ();
unsigned int reserve = limit;
uint256 startAfter;
std::uint64_t startHint = 0;
if (params.isMember (jss::marker))
{
// We have a start point. Use limit - 1 from the result and use the
// very last one for the resume.
Json::Value const& marker = params[jss::marker];
if (! marker.isString ())
return RPC::expected_field_error (jss::marker, "string");
startAfter.SetHex (marker.asString ());
SLE::pointer sleObj = ledger->getSLEi (startAfter);
if (sleObj == nullptr)
return rpcError (rpcINVALID_PARAMS);
switch (sleObj->getType ())
{
case ltRIPPLE_STATE:
if (sleObj->getFieldAmount (sfLowLimit).getIssuer () == raAccount)
startHint = sleObj->getFieldU64 (sfLowNode);
else if (sleObj->getFieldAmount (sfHighLimit).getIssuer () == raAccount)
startHint = sleObj->getFieldU64 (sfHighNode);
else
return rpcError (rpcINVALID_PARAMS);
break;
case ltOFFER:
startHint = sleObj->getFieldU64 (sfOwnerNode);
break;
default:
break;
}
// Caller provided the first object (startAfter), add it as first result
result[jss::account_objects].append (sleObj->getJson (0));
}
else
{
// We have no start point, limit should be one higher than requested.
++reserve;
}
Json::Value jv = Json::nullValue;
if (! context.netOps.getAccountObjects(ledger, raAccount, startAfter,
startHint, reserve, [&](SLE::ref sleCur)
{
if (! jv.isNull ())
result[jss::account_objects].append (jv);
switch (sleCur->getType ())
{
case ltRIPPLE_STATE:
case ltOFFER: // Deprecated
jv = sleCur->getJson (0);
return true;
case ltTICKET:
{
jv = sleCur->getJson (0);
Account const acc (sleCur->getFieldAccount160 (sfAccount));
uint32_t const seq (sleCur->getFieldU32 (sfSequence));
jv[jss::index] = to_string (getTicketIndex (acc, seq));
return true;
}
// case ltACCOUNT_ROOT:
// case ltDIR_NODE:
// case ltGENERATOR_MAP:
default:
if (! jv.isNull ())
jv = Json::nullValue;
return false;
}
}))
{
return rpcError (rpcINVALID_PARAMS);
}
if (! jv.isNull ())
{
if (result[jss::account_objects].size () == limit)
{
result[jss::limit] = limit;
result[jss::marker] = jv[jss::index];
}
else
{
result[jss::account_objects].append (jv);
}
}
result[jss::account] = rippleAddress.humanAccountID ();
context.loadType = Resource::feeMediumBurdenRPC;
return result;
}
} // ripple

1
src/ripple/rpc/handlers/Handlers.h
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@@ -25,6 +25,7 @@ namespace ripple {
Json::Value doAccountCurrencies (RPC::Context&);
Json::Value doAccountInfo (RPC::Context&);
Json::Value doAccountLines (RPC::Context&);
Json::Value doAccountObjects (RPC::Context&);
Json::Value doAccountOffers (RPC::Context&);
Json::Value doAccountTx (RPC::Context&);
Json::Value doAccountTxSwitch (RPC::Context&);

1
src/ripple/rpc/impl/Handler.cpp
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@@ -100,6 +100,7 @@ HandlerTable HANDLERS({
{ "account_info", byRef (&doAccountInfo), Role::USER, NEEDS_CURRENT_LEDGER },
{ "account_currencies", byRef (&doAccountCurrencies), Role::USER, NEEDS_CURRENT_LEDGER },
{ "account_lines", byRef (&doAccountLines), Role::USER, NEEDS_CURRENT_LEDGER },
{ "account_objects", byRef (&doAccountObjects), Role::USER, NEEDS_CURRENT_LEDGER },
{ "account_offers", byRef (&doAccountOffers), Role::USER, NEEDS_CURRENT_LEDGER },
{ "account_tx", byRef (&doAccountTxSwitch), Role::USER, NEEDS_NETWORK_CONNECTION },
{ "blacklist", byRef (&doBlackList), Role::ADMIN, NO_CONDITION },

63
src/ripple/rpc/impl/Tuning.h
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@@ -27,42 +27,57 @@ namespace RPC {
/** @{ */
namespace Tuning {
/** Default account lines return per request to the
account_lines command when no limit param is specified
/** Default account objects returned per request from the
account_objects command when no limit param is specified
*/
unsigned int const defaultLinesPerRequest (200);
static unsigned int const defaultObjectsPerRequest (200);
/** Minimum account lines return per request to the
account_lines command. Specified in the limit param.
/** Minimum account objects returned per request from the
account_objects command. Specified in the limit param.
*/
unsigned int const minLinesPerRequest (10);
static unsigned int const minObjectsPerRequest (10);
/** Maximum account lines return per request to the
account_lines command. Specified in the limit param.
/** Maximum account objects returned per request from the
account_objects command. Specified in the limit param.
*/
unsigned int const maxLinesPerRequest (400);
static unsigned int const maxObjectsPerRequest (400);
/** Default offers return per request to the account_offers command
when no limit param is specified
/** Default account lines returned per request from the
account_lines command when no limit param is specified
*/
unsigned int const defaultOffersPerRequest (200);
static unsigned int const defaultLinesPerRequest (200);
/** Minimum offers return per request to the account_offers command.
Specified in the limit param.
/** Minimum account lines returned per request from the
account_lines command. Specified in the limit param.
*/
unsigned int const minOffersPerRequest (10);
static unsigned int const minLinesPerRequest (10);
/** Maximum offers return per request to the account_lines command.
Specified in the limit param.
/** Maximum account lines returned per request from the
account_lines command. Specified in the limit param.
*/
unsigned int const maxOffersPerRequest (400);
static unsigned int const maxLinesPerRequest (400);
int const defaultAutoFillFeeMultiplier (10);
int const maxPathfindsInProgress (2);
int const maxPathfindJobCount (50);
int const maxJobQueueClients (500);
int const maxValidatedLedgerAge (120);
int const maxRequestSize (1000000);
/** Default offers returned per request from the
account_offers command when no limit param is specified.
*/
static unsigned int const defaultOffersPerRequest (200);
/** Minimum offers returned per request from the
account_offers command. Specified in the limit param.
*/
static unsigned int const minOffersPerRequest (10);
/** Maximum offers returned per request from the
account_lines command. Specified in the limit param.
*/
static unsigned int const maxOffersPerRequest (400);
static int const defaultAutoFillFeeMultiplier (10);
static int const maxPathfindsInProgress (2);
static int const maxPathfindJobCount (50);
static int const maxJobQueueClients (500);
static int const maxValidatedLedgerAge (120);
static int const maxRequestSize (1000000);
} // Tuning
/** @} */

1
src/ripple/unity/rpcx.cpp
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@@ -37,6 +37,7 @@
#include <ripple/rpc/handlers/AccountCurrencies.cpp>
#include <ripple/rpc/handlers/AccountInfo.cpp>
#include <ripple/rpc/handlers/AccountLines.cpp>
#include <ripple/rpc/handlers/AccountObjects.cpp>
#include <ripple/rpc/handlers/AccountOffers.cpp>
#include <ripple/rpc/handlers/AccountTx.cpp>
#include <ripple/rpc/handlers/AccountTxOld.cpp>