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Properly lock cs_main in rest_block

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This commit is contained in:
Pieter Wuille 2014-11-18 16:30:51 +01:00
parent 7715c84747
commit e2f30d547f
1 changed files with 11 additions and 6 deletions
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17
src/rest.cpp
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@ -11,6 +11,7 @@
#include "core/transaction.h"
#include "version.h"
#include "main.h"
#include "sync.h"
using namespace std;
using namespace json_spirit;
@ -80,13 +81,17 @@ static bool rest_block(AcceptedConnection *conn,
if (!ParseHashStr(hashStr, hash))
throw RESTERR(HTTP_BAD_REQUEST, "Invalid hash: " + hashStr);
if (mapBlockIndex.count(hash) == 0)
throw RESTERR(HTTP_NOT_FOUND, hashStr + " not found");
CBlock block;
CBlockIndex* pblockindex = mapBlockIndex[hash];
if (!ReadBlockFromDisk(block, pblockindex))
throw RESTERR(HTTP_NOT_FOUND, hashStr + " not found");
CBlockIndex* pblockindex = NULL;
{
LOCK(cs_main);
if (mapBlockIndex.count(hash) == 0)
throw RESTERR(HTTP_NOT_FOUND, hashStr + " not found");
pblockindex = mapBlockIndex[hash];
if (!ReadBlockFromDisk(block, pblockindex))
throw RESTERR(HTTP_NOT_FOUND, hashStr + " not found");
}
CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION);
ssBlock << block;