DragonX/hush3
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

Merge pull request #775 from letolabs/snapshot

Browse Source 
Snapshot II
This commit is contained in:
jl777
2018-07-18 09:35:54 -11:00
committed by GitHub
parent 564399152b a4d41984f6
commit afca7f1e12
1 changed files with 22 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
src/txdb.cpp
View File

@@ -402,36 +402,36 @@ bool getAddressFromIndex(const int &type, const uint160 &hash, std::string &addr
extern UniValue CBlockTreeDB::Snapshot()
{
char chType; int64_t total = 0; int64_t totalAddresses = 0; std::string address;
boost::scoped_ptr<leveldb::Iterator> pcursor(NewIterator());
boost::scoped_ptr<leveldb::Iterator> iter(NewIterator());
std::map <std::string, CAmount> addressAmounts;
UniValue result(UniValue::VOBJ);
result.push_back(Pair("start_time", time(NULL)));
//pcursor->SeekToFirst();
pcursor->SeekToLast();
int64_t startingHeight = chainActive.Height();
while (pcursor->Valid())
fprintf(stderr, "Starting snapshot at height %li\n", startingHeight);
for (iter->SeekToLast(); iter->Valid(); iter->Prev())
{
boost::this_thread::interruption_point();
try
{
leveldb::Slice slKey = pcursor->key();
leveldb::Slice slKey = iter->key();
CDataStream ssKey(slKey.data(), slKey.data()+slKey.size(), SER_DISK, CLIENT_VERSION);
CAddressIndexIteratorKey indexKey;
ssKey >> chType;
ssKey >> indexKey;
if ( chType == DB_ADDRESSUNSPENTINDEX )
ssKey >> chType;
ssKey >> indexKey;
//fprintf(stderr, "chType=%d\n", chType);
if (chType == DB_ADDRESSUNSPENTINDEX)
{
try {
leveldb::Slice slValue = pcursor->value();
leveldb::Slice slValue = iter->value();
CDataStream ssValue(slValue.data(), slValue.data()+slValue.size(), SER_DISK, CLIENT_VERSION);
CAmount nValue;
ssValue >> nValue;
getAddressFromIndex(indexKey.type, indexKey.hashBytes, address);
std::map <std::string, CAmount>::iterator pos = addressAmounts.find(address);
if (pos == addressAmounts.end()) {
// insert new address + utxo amount
@@ -440,20 +440,21 @@ extern UniValue CBlockTreeDB::Snapshot()
totalAddresses++;
} else {
// update unspent tally for this address
//fprintf(stderr, "updating address %s with new utxo amount %li\n", address.c_str(), nValue);
addressAmounts[address] += nValue;
}
//fprintf(stderr,"{\"%s\", %.8f},\n",address.c_str(),(double)nValue/COIN);
total += nValue;
} catch (const std::exception& e) {
return error("failed to get address index value");
fprintf(stderr, "DONE %s: LevelDB addressindex exception! - %s\n", __func__, e.what());
break;
}
} else { break; }
}
} catch (const std::exception& e) {
fprintf(stderr, "%s: LevelDB exception! - %s\n", __func__, e.what());
fprintf(stderr, "DONE reading index entries\n");
break;
}
pcursor->Prev();
}
UniValue addresses(UniValue::VARR);
@@ -477,9 +478,11 @@ extern UniValue CBlockTreeDB::Snapshot()
addressesSorted.push_back(obj);
}
result.push_back(make_pair("addresses", addressesSorted));
result.push_back(make_pair("total", total / COIN ));
result.push_back(make_pair("average",(double) (total/COIN) / totalAddresses ));
if (totalAddresses > 0) {
result.push_back(make_pair("addresses", addressesSorted));
result.push_back(make_pair("total", total / COIN ));
result.push_back(make_pair("average",(double) (total/COIN) / totalAddresses ));
}
// Total number of addresses in this snaphot
result.push_back(make_pair("total_addresses", totalAddresses));
// The snapshot began at this block height