DragonX/hush3
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Partial fix

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This commit is contained in:
Duke Leto
2020-12-09 21:33:50 -05:00
parent 30220ac855
commit 4990f051bd
1 changed files with 9 additions and 11 deletions
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20
src/main.cpp
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@@ -105,8 +105,7 @@ bool fCoinbaseEnforcedProtectionEnabled = true;
size_t nCoinCacheUsage = 5000 * 300;
uint64_t nPruneTarget = 0;
bool fAlerts = DEFAULT_ALERTS;
/* If the tip is older than this (in seconds), the node is considered to be in initial block download.
*/
// If the tip is older than this (in seconds), the node is considered to be in initial block download.
int64_t nMaxTipAge = DEFAULT_MAX_TIP_AGE;
bool ishush3 = strncmp(SMART_CHAIN_SYMBOL, "HUSH3",5) == 0 ? true : false;
int32_t nFirstHalvingHeight = 340000;
@@ -5232,25 +5231,25 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
assert(pindexPrev);
int nHeight = pindexPrev->GetHeight()+1;
int nHeight = pindexPrev->GetHeight()+1;
bool ishush3 = strncmp(SMART_CHAIN_SYMBOL, "HUSH3",5) == 0 ? true : false;
// Check Proof-of-Work
if(ishush3) {
// The change of blocktime from 150s to 75s caused Weird Stuff in the difficulty/work calculations
// caused by the fact that Difficulty Adjustment Algorithms do not take into account blocktime
// changing at run-time, which breaks assumptions in the algorithm
unsigned int nNextWork = GetNextWorkRequired(pindexPrev, &block, consensusParams);
unsigned int diffbits = nNextWork > block.nBits ? nNextWork-block.nBits : block.nBits-nNextWork;
// The change of blocktime from 150s to 75s seems to have messed up our difficulty calc
if ((nHeight < 340000 || nHeight > 342500) && block.nBits != nNextWork) {
cout << "Incorrect HUSH Proof-of-Work at height " << nHeight << " " << block.nBits << " block.nBits vs. calc " <<
nNextWork << " " << block.GetHash().ToString() << " @ " << block.GetBlockTime() << endl;
return state.DoS(100, error("%s: Incorrect Proof-of-Work at height %d diffbits=%u", __func__, nHeight, diffbits), REJECT_INVALID, "bad-diffbits");
return state.DoS(100, error("%s: Incorrect Proof-of-Work at height %d", __func__, nHeight), REJECT_INVALID, "bad-diffbits");
} else {
fprintf(stderr,"%s: Ignoring weird nBits %u with diffbits %u for height %d\n", __func__, block.nBits, diffbits, nHeight);
if( nHeight >= 340000 || nHeight <= 342500)
fprintf(stderr,"%s: Ignoring weird nBits with block.nBits=%u vs GetNextWorkRequired=%u for height %d\n", __func__, block.nBits, nNextWork, nHeight);
}
} else {
// TODO: unify this with the code above
// Hush Smart Chains
if ( block.nBits != GetNextWorkRequired(pindexPrev, &block, consensusParams)) {
cout << "Incorrect Proof-of-Work! " << block.nBits << " block.nBits vs. calc " <<
GetNextWorkRequired(pindexPrev, &block, consensusParams) <<
@@ -8423,7 +8422,6 @@ extern "C" const char* getDataDir()
return GetDataDir().string().c_str();
}
// Set default values of new CMutableTransaction based on consensus rules at given height.
CMutableTransaction CreateNewContextualCMutableTransaction(const Consensus::Params& consensusParams, int nHeight)
{