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Hush DPoW won't attack their own villages, lulz

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Duke Leto
2020-12-07 08:24:09 -05:00
parent 8db68f55c6
commit 4f27af7545
5 changed files with 14 additions and 14 deletions
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10
src/main.cpp
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@@ -674,7 +674,7 @@ bool komodo_dailysnapshot(int32_t height)
int reorglimit = 100;
uint256 notarized_hash,notarized_desttxid; int32_t prevMoMheight,notarized_height,undo_height,extraoffset;
// NOTE: To make this 100% safe under all sync conditions, it should be using a notarized notarization, from the DB.
// Under heavy reorg attack, its possible `komodo_notarized_height` can return a height that can't be found on chain sync.
// Under heavy reorg attack, its possible `hush_notarized_height` can return a height that can't be found on chain sync.
// However, the DB can reorg the last notarization. By using 2 deep, we know 100% that the previous notarization cannot be reorged by online nodes,
// and as such will always be notarizing the same height. May need to check heights on scan back to make sure they are confirmed in correct order.
if ( (extraoffset= height % KOMODO_SNAPSHOT_INTERVAL) != 0 )
@@ -691,7 +691,7 @@ bool komodo_dailysnapshot(int32_t height)
else
{
// we are at the right height in connect block to scan back to last notarized height.
notarized_height = komodo_notarized_height(&prevMoMheight,&notarized_hash,&notarized_desttxid);
notarized_height = hush_notarized_height(&prevMoMheight,&notarized_hash,&notarized_desttxid);
notarized_height > height-reorglimit ? undo_height = notarized_height : undo_height = height-reorglimit;
}
fprintf(stderr, "doing snapshot for height.%i undo_height.%i\n", height, undo_height);
@@ -3976,7 +3976,7 @@ bool static DisconnectTip(CValidationState &state, bool fBare = false) {
//if ( SMART_CHAIN_SYMBOL[0] != 0 || pindexDelete->GetHeight() > 1400000 )
{
int32_t notarizedht,prevMoMheight; uint256 notarizedhash,txid;
notarizedht = komodo_notarized_height(&prevMoMheight,&notarizedhash,&txid);
notarizedht = hush_notarized_height(&prevMoMheight,&notarizedhash,&txid);
if ( block.GetHash() == notarizedhash )
{
fprintf(stderr,"DisconnectTip trying to disconnect notarized block at ht.%d\n",(int32_t)pindexDelete->GetHeight());
@@ -4340,7 +4340,7 @@ static bool ActivateBestChainStep(bool fSkipdpow, CValidationState &state, CBloc
// stop trying to reorg if the reorged chain is before last notarized height.
// stay on the same chain tip!
int32_t notarizedht,prevMoMheight; uint256 notarizedhash,txid;
notarizedht = komodo_notarized_height(&prevMoMheight,&notarizedhash,&txid);
notarizedht = hush_notarized_height(&prevMoMheight,&notarizedhash,&txid);
if ( !fSkipdpow && pindexFork != 0 && pindexOldTip->GetHeight() > notarizedht && pindexFork->GetHeight() < notarizedht )
{
LogPrintf("pindexOldTip->GetHeight().%d > notarizedht %d && pindexFork->GetHeight().%d is < notarizedht %d, so ignore it\n",(int32_t)pindexOldTip->GetHeight(),notarizedht,(int32_t)pindexFork->GetHeight(),notarizedht);
@@ -5886,7 +5886,7 @@ uint64_t CalculateCurrentUsage()
bool PruneOneBlockFile(bool tempfile, const int fileNumber)
{
uint256 notarized_hash,notarized_desttxid; int32_t prevMoMheight,notarized_height;
notarized_height = komodo_notarized_height(&prevMoMheight,&notarized_hash,&notarized_desttxid);
notarized_height = hush_notarized_height(&prevMoMheight,&notarized_hash,&notarized_desttxid);
//fprintf(stderr, "pruneblockfile.%i\n",fileNumber); sleep(15);
for (BlockMap::iterator it = mapBlockIndex.begin(); it != mapBlockIndex.end(); ++it)
{