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Add support for getting ledger_header.

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This commit is contained in:
Arthur Britto
2012-11-13 14:06:59 -08:00
parent 496fd33481
commit f2dcc4cdd0
3 changed files with 48 additions and 7 deletions
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45
src/cpp/ripple/RPCHandler.cpp
View File

@@ -1313,13 +1313,15 @@ Json::Value RPCHandler::doCommand(const std::string& command, Json::Value& param
cLog(lsTRACE) << "RPC:" << command;
cLog(lsTRACE) << "RPC params:" << params;
mRole = role;
static struct {
const char* pCommand;
doFuncPtr dfpFunc;
int iMinParams;
int iMaxParams;
bool mAdminRequired;
bool mEvented;
bool bAdminRequired;
bool bEvented;
unsigned int iOptions;
} commandsA[] = {
// Request-response methods
@@ -1336,6 +1338,7 @@ Json::Value RPCHandler::doCommand(const std::string& command, Json::Value& param
{ "ledger_closed", &RPCHandler::doLedgerClosed, 0, 0, false, false, optClosed },
{ "ledger_current", &RPCHandler::doLedgerCurrent, 0, 0, false, false, optCurrent },
{ "ledger_entry", &RPCHandler::doLedgerEntry, -1, -1, false, false, optCurrent },
{ "ledger_header", &RPCHandler::doLedgerHeader, -1, -1, false, false, optCurrent },
{ "log_level", &RPCHandler::doLogLevel, 0, 2, true },
{ "logrotate", &RPCHandler::doLogRotate, 0, 0, true },
{ "nickname_info", &RPCHandler::doNicknameInfo, 1, 1, false, false, optCurrent },
@@ -1381,11 +1384,11 @@ Json::Value RPCHandler::doCommand(const std::string& command, Json::Value& param
{
return rpcError(rpcUNKNOWN_COMMAND);
}
else if (commandsA[i].mAdminRequired && role != ADMIN)
else if (commandsA[i].bAdminRequired && mRole != ADMIN)
{
return rpcError(rpcNO_PERMISSION);
}
else if (commandsA[i].mEvented && mInfoSub == NULL)
else if (commandsA[i].bEvented && mInfoSub == NULL)
{
return rpcError(rpcNO_EVENTS);
}
@@ -1706,15 +1709,13 @@ Json::Value RPCHandler::doTransactionEntry(const Json::Value& jvRequest)
return jvResult;
}
Json::Value RPCHandler::doLedgerEntry(const Json::Value& jvRequest)
Json::Value RPCHandler::lookupLedger(const Json::Value& jvRequest, Ledger::pointer& lpLedger)
{
Json::Value jvResult;
uint256 uLedger = jvRequest.isMember("ledger_hash") ? uint256(jvRequest["ledger_hash"].asString()) : 0;
uint32 uLedgerIndex = jvRequest.isMember("ledger_index") && jvRequest["ledger_index"].isNumeric() ? jvRequest["ledger_index"].asUInt() : 0;
Ledger::pointer lpLedger;
if (!!uLedger)
{
// Ledger directly specified.
@@ -1757,6 +1758,17 @@ Json::Value RPCHandler::doLedgerEntry(const Json::Value& jvRequest)
jvResult["ledger_current_index"] = uLedgerIndex;
}
return jvResult;
}
Json::Value RPCHandler::doLedgerEntry(const Json::Value& jvRequest)
{
Ledger::pointer lpLedger;
Json::Value jvResult = lookupLedger(jvRequest, lpLedger);
if (!lpLedger)
return jvResult;
uint256 uNodeIndex;
bool bNodeBinary = false;
@@ -1952,6 +1964,25 @@ Json::Value RPCHandler::doLedgerEntry(const Json::Value& jvRequest)
return jvResult;
}
Json::Value RPCHandler::doLedgerHeader(const Json::Value& jvRequest)
{
Ledger::pointer lpLedger;
Json::Value jvResult = lookupLedger(jvRequest, lpLedger);
if (!lpLedger)
return jvResult;
Serializer s;
lpLedger->addRaw(s);
jvResult["ledger_data"] = strHex(s.peekData());
if (mRole == ADMIN)
lpLedger->addJson(jvResult, 0);
return jvRequest;
}
boost::unordered_set<RippleAddress> RPCHandler::parseAccountIds(const Json::Value& jvArray)
{

4
src/cpp/ripple/RPCHandler.h
View File

@@ -8,6 +8,7 @@ class RPCHandler
{
NetworkOPs* mNetOps;
InfoSub* mInfoSub;
int mRole;
typedef Json::Value (RPCHandler::*doFuncPtr)(const Json::Value &params);
enum {
@@ -22,6 +23,8 @@ class RPCHandler
int getParamCount(const Json::Value& params);
bool extractString(std::string& param, const Json::Value& params, int index);
Json::Value lookupLedger(const Json::Value& jvRequest, Ledger::pointer& lpLedger);
Json::Value getMasterGenerator(const uint256& uLedger, const RippleAddress& naRegularSeed, RippleAddress& naMasterGenerator);
Json::Value authorize(const uint256& uLedger, const RippleAddress& naRegularSeed, const RippleAddress& naSrcAccountID,
RippleAddress& naAccountPublic, RippleAddress& naAccountPrivate,
@@ -86,6 +89,7 @@ class RPCHandler
Json::Value doLedgerClosed(const Json::Value& params);
Json::Value doLedgerCurrent(const Json::Value& params);
Json::Value doLedgerEntry(const Json::Value& params);
Json::Value doLedgerHeader(const Json::Value& params);
Json::Value doTransactionEntry(const Json::Value& params);
Json::Value doSubscribe(const Json::Value& params);

6
src/js/remote.js
View File

@@ -551,6 +551,12 @@ Remote.prototype.request_ledger_hash = function () {
return new Request(this, 'ledger_closed');
};
// .ledger()
// .ledger_index()
Remote.prototype.request_ledger_header = function () {
return new Request(this, 'ledger_header');
};
// Get the current proposed ledger entry. May be closed (and revised) at any time (even before returning).
// Only for unit testing.
Remote.prototype.request_ledger_current = function () {