message: [Trivial] Set log2_work decimals to 16 in the logs
diff: @@ -2420,11 +2420,11 @@ void static InvalidChainFound(CBlockIndex* pindexNew)
  if (!pindexBestInvalid || pindexNew->nChainWork > pindexBestInvalid->nChainWork)
  pindexBestInvalid = pindexNew;
  - LogPrintf("InvalidChainFound: invalid block=%s height=%d log2_work=%.8g date=%s\n",
  + LogPrintf("InvalidChainFound: invalid block=%s height=%d log2_work=%.16f date=%s\n",
  pindexNew->GetBlockHash().ToString(), pindexNew->nHeight,
  log(pindexNew->nChainWork.getdouble()) / log(2.0), DateTimeStrFormat("%Y-%m-%d %H:%M:%S",
  pindexNew->GetBlockTime()));
  - LogPrintf("InvalidChainFound: current best=%s height=%d log2_work=%.8g date=%s\n",
  + LogPrintf("InvalidChainFound: current best=%s height=%d log2_work=%.16f date=%s\n",
  chainActive.Tip()->GetBlockHash().ToString(), chainActive.Height(), log(chainActive.Tip()->nChainWork.getdouble()) / log(2.0),
  DateTimeStrFormat("%Y-%m-%d %H:%M:%S", chainActive.Tip()->GetBlockTime()));
  CheckForkWarningConditions();
  @@ -3587,7 +3587,7 @@ void static UpdateTip(CBlockIndex* pindexNew)
  g_best_block_cv.notify_all();
  }
  - LogPrintf("UpdateTip: new best=%s height=%d version=%d log2_work=%.8g tx=%lu date=%s progress=%f cache=%u\n",
  + LogPrintf("UpdateTip: new best=%s height=%d version=%d log2_work=%.16f tx=%lu date=%s progress=%f cache=%u\n",
  chainActive.Tip()->GetBlockHash().ToString(), chainActive.Height(), chainActive.Tip()->nVersion, log(chainActive.Tip()->nChainWork.getdouble()) / log(2.0), (unsigned long)chainActive.Tip()->nChainTx,
  DateTimeStrFormat("%Y-%m-%d %H:%M:%S", chainActive.Tip()->GetBlockTime()),
  Checkpoints::GuessVerificationProgress(chainActive.Tip()), (unsigned int)pcoinsTip->GetCacheSize());
  