void ScrAddrFilter::getScrAddrCurrentSyncState(
   BinaryData const & scrAddr)
{
   //grab SSH for scrAddr
   StoredScriptHistory ssh;
   lmdb_->getStoredScriptHistorySummary(ssh, scrAddr);

   //update scrAddrData lowest scanned block
   setScrAddrLastScanned(scrAddr, ssh.alreadyScannedUpToBlk_);
}
void ScrAddrFilter::getScrAddrCurrentSyncState(
   BinaryData const & scrAddr)
{
   if (scrAddr.getSize() == 0)
      return;

   uint32_t shard = lmdb_->getShard(scrAddr);

   //grab SSH for scrAddr
   LMDBEnv::Transaction tx;
   lmdb_->beginShardTransaction(tx, shard, LMDB::ReadOnly);
   
   StoredScriptHistory ssh;
   lmdb_->getStoredScriptHistorySummary(ssh, scrAddr);

   //update scrAddrData lowest scanned block
   setScrAddrLastScanned(scrAddr, ssh.alreadyScannedUpToBlk_);
}