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Make listsinceblock refuse unknown block hash

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Change suggested by Cory Fields <cory-nospam-@coryfields.com> who noticed
listsinceblock would ignore invalid block hashes causing it to return a
completely unfiltered list of transactions.
This commit is contained in:
Russell Yanofsky
2017-10-26 07:10:59 -04:00
parent 57ee73990f
commit 659b2061c4
3 changed files with 47 additions and 10 deletions
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19
src/wallet/rpcwallet.cpp
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@@ -1893,19 +1893,20 @@ UniValue listsinceblock(const JSONRPCRequest& request)
int target_confirms = 1;
isminefilter filter = ISMINE_SPENDABLE;
if (!request.params[0].isNull()) {
if (!request.params[0].isNull() && !request.params[0].get_str().empty()) {
uint256 blockId;
blockId.SetHex(request.params[0].get_str());
BlockMap::iterator it = mapBlockIndex.find(blockId);
if (it != mapBlockIndex.end()) {
paltindex = pindex = it->second;
if (chainActive[pindex->nHeight] != pindex) {
// the block being asked for is a part of a deactivated chain;
// we don't want to depend on its perceived height in the block
// chain, we want to instead use the last common ancestor
pindex = chainActive.FindFork(pindex);
}
if (it == mapBlockIndex.end()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
}
paltindex = pindex = it->second;
if (chainActive[pindex->nHeight] != pindex) {
// the block being asked for is a part of a deactivated chain;
// we don't want to depend on its perceived height in the block
// chain, we want to instead use the last common ancestor
pindex = chainActive.FindFork(pindex);
}
}