Merge #20378: wallet: fix potential division by 0 in WalletLogPrintf

440f8d3abe97b96f434dad5216d417a08fc10253 fix potential devision by 0 (Jonas Schnelli)

Pull request description:

  #20344 removed the divide-by-zero sanitizer suppression in `wallet/wallet.cpp` but kept a potential devision by zero in `wallet.cpp`'s fee logging.

  Detected here https://bitcoinbuilds.org/index.php?job=ffb7d59f-379f-4f27-a273-a5595b8c5f07

ACKs for top commit:
  practicalswift:
    ACK 440f8d3abe97b96f434dad5216d417a08fc10253
  laanwj:
    Code review ACK 440f8d3abe97b96f434dad5216d417a08fc10253
  hebasto:
    re-ACK 440f8d3abe97b96f434dad5216d417a08fc10253

Tree-SHA512: 9f7903d1e567497c5f972d39e9629c059151e705dbed0a6b88f7c6650c50ecf820f78e3e0f3e629c661d45a938c5d7659faae7c61e47ca8b3bdb029661bca55a
This commit is contained in:
Jonas Schnelli 2020-11-13 08:26:50 +01:00 committed by pasta
parent 7613d3c433
commit e8a9c28c82

View File

@ -3937,10 +3937,10 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CTransac
WalletLogPrintf("Fee Calculation: Fee:%d Bytes:%u Tgt:%d (requested %d) Reason:\"%s\" Decay %.5f: Estimation: (%g - %g) %.2f%% %.1f/(%.1f %d mem %.1f out) Fail: (%g - %g) %.2f%% %.1f/(%.1f %d mem %.1f out)\n",
nFeeRet, nBytes, feeCalc.returnedTarget, feeCalc.desiredTarget, StringForFeeReason(feeCalc.reason), feeCalc.est.decay,
feeCalc.est.pass.start, feeCalc.est.pass.end,
100 * feeCalc.est.pass.withinTarget / (feeCalc.est.pass.totalConfirmed + feeCalc.est.pass.inMempool + feeCalc.est.pass.leftMempool),
(feeCalc.est.pass.totalConfirmed + feeCalc.est.pass.inMempool + feeCalc.est.pass.leftMempool) > 0.0 ? 100 * feeCalc.est.pass.withinTarget / (feeCalc.est.pass.totalConfirmed + feeCalc.est.pass.inMempool + feeCalc.est.pass.leftMempool) : 0.0,
feeCalc.est.pass.withinTarget, feeCalc.est.pass.totalConfirmed, feeCalc.est.pass.inMempool, feeCalc.est.pass.leftMempool,
feeCalc.est.fail.start, feeCalc.est.fail.end,
100 * feeCalc.est.fail.withinTarget / (feeCalc.est.fail.totalConfirmed + feeCalc.est.fail.inMempool + feeCalc.est.fail.leftMempool),
(feeCalc.est.fail.totalConfirmed + feeCalc.est.fail.inMempool + feeCalc.est.fail.leftMempool) > 0.0 ? 100 * feeCalc.est.fail.withinTarget / (feeCalc.est.fail.totalConfirmed + feeCalc.est.fail.inMempool + feeCalc.est.fail.leftMempool) : 0.0,
feeCalc.est.fail.withinTarget, feeCalc.est.fail.totalConfirmed, feeCalc.est.fail.inMempool, feeCalc.est.fail.leftMempool);
return true;
}