twisterarmy/twister-core
1
0
Fork 0
mirror of https://github.com/twisterarmy/twister-core.git synced 2025-01-09 06:18:02 +00:00
Code Issues Projects Releases Wiki Activity

another try to fix the infinite recursion triggered when the new (longer) chain

Browse Source 
contains an invalid transaction (due to older, buggy, twisterd or attacker).
i'm not entirely convinced that original bitcoin couldn't be attacked the same
way (51% is still needed, but crashing the client is pretty bad).
This commit is contained in:
Miguel Freitas 2014-01-19 00:53:15 -02:00
parent 19ff320d24
commit 6416fa5d58
1 changed files with 14 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/main.cpp
View File

@ -1299,9 +1299,22 @@ bool SetBestChain(CValidationState &state, CBlockIndex* pindexNew)
// List of what to connect (typically only pindexNew)
vector<CBlockIndex*> vConnect;
for (CBlockIndex* pindex = pindexNew; pindex != pfork; pindex = pindex->pprev)
for (CBlockIndex* pindex = pindexNew; pindex != pfork; pindex = pindex->pprev) {
vConnect.push_back(pindex);
if( pindex->nStatus & BLOCK_FAILED_MASK ) {
BOOST_FOREACH(CBlockIndex *pindex, vConnect) {
pindex->nStatus |= BLOCK_FAILED_CHILD;
setBlockIndexValid.erase(pindex);
pblocktree->WriteBlockIndex(CDiskBlockIndex(pindex));
}
vConnect.clear();
}
}
reverse(vConnect.begin(), vConnect.end());
if (vConnect.size() < vDisconnect.size()) {
return error("SetBestChain() : Tried to connect to a shorter chain (invalid blocks)");
}
if (vDisconnect.size() > 0) {
printf("REORGANIZE: Disconnect %"PRIszu" blocks; %s..\n", vDisconnect.size(), pfork->GetBlockHash().ToString().c_str());