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author | Andrew Chow <achow101-github@achow101.com> | 2022-07-08 10:16:45 -0400 |
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committer | Andrew Chow <achow101-github@achow101.com> | 2022-07-08 10:27:06 -0400 |
commit | 194710d8ff398838e4e5bb87b56e19ebed1d6c52 (patch) | |
tree | 5278c6d93e70f7fc2b5e50908291aeecc3c9dc09 /src/wallet/spend.cpp | |
parent | b9f9ed4640f8064a0606755cd1f16ad5dbb0ee06 (diff) | |
parent | d54c5c8b1b1a38b5b38e6878aea0fa8d6c1ad7e9 (diff) | |
download | bitcoin-194710d8ff398838e4e5bb87b56e19ebed1d6c52.tar.xz |
Merge bitcoin/bitcoin#25481: wallet: unify max signature logic
d54c5c8b1b1a38b5b38e6878aea0fa8d6c1ad7e9 wallet: use CCoinControl to estimate signature size (S3RK)
a94659c84ee10ac5915eb5a6b654435183d88521 wallet: replace GetTxSpendSize with CalculateMaximumSignedInputSize (S3RK)
Pull request description:
Currently `DummySignTx` and `DummySignInput` use different ways to determine signature size.
This PR unifies the way wallet estimates signature size for various inputs.
Instead of passing boolean flags from calling code the `use_max_sig` is now calculated at the place of signature creation using information available in `CCoinControl`
ACKs for top commit:
achow101:
ACK d54c5c8b1b1a38b5b38e6878aea0fa8d6c1ad7e9
theStack:
Code-review ACK d54c5c8b1b1a38b5b38e6878aea0fa8d6c1ad7e9
Tree-SHA512: e790903ad4683067070aa7dbf7434a1bd142282a5bc425112e64d88d27559f1a2cd60c68d6022feaf6b845237035cb18ece10f6243d719ba28173b69bd99110a
Diffstat (limited to 'src/wallet/spend.cpp')
-rw-r--r-- | src/wallet/spend.cpp | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/src/wallet/spend.cpp b/src/wallet/spend.cpp index 1d22d0993e..21007f5a92 100644 --- a/src/wallet/spend.cpp +++ b/src/wallet/spend.cpp @@ -27,25 +27,20 @@ using interfaces::FoundBlock; namespace wallet { static constexpr size_t OUTPUT_GROUP_MAX_ENTRIES{100}; -int GetTxSpendSize(const CWallet& wallet, const CWalletTx& wtx, unsigned int out, bool use_max_sig) -{ - return CalculateMaximumSignedInputSize(wtx.tx->vout[out], &wallet, use_max_sig); -} - -int CalculateMaximumSignedInputSize(const CTxOut& txout, const SigningProvider* provider, bool use_max_sig) +int CalculateMaximumSignedInputSize(const CTxOut& txout, const COutPoint outpoint, const SigningProvider* provider, const CCoinControl* coin_control) { CMutableTransaction txn; - txn.vin.push_back(CTxIn(COutPoint())); - if (!provider || !DummySignInput(*provider, txn.vin[0], txout, use_max_sig)) { + txn.vin.push_back(CTxIn(outpoint)); + if (!provider || !DummySignInput(*provider, txn.vin[0], txout, coin_control)) { return -1; } return GetVirtualTransactionInputSize(txn.vin[0]); } -int CalculateMaximumSignedInputSize(const CTxOut& txout, const CWallet* wallet, bool use_max_sig) +int CalculateMaximumSignedInputSize(const CTxOut& txout, const CWallet* wallet, const CCoinControl* coin_control) { const std::unique_ptr<SigningProvider> provider = wallet->GetSolvingProvider(txout.scriptPubKey); - return CalculateMaximumSignedInputSize(txout, provider.get(), use_max_sig); + return CalculateMaximumSignedInputSize(txout, COutPoint(), provider.get(), coin_control); } // txouts needs to be in the order of tx.vin @@ -198,7 +193,7 @@ CoinsResult AvailableCoins(const CWallet& wallet, // Filter by spendable outputs only if (!spendable && only_spendable) continue; - int input_bytes = GetTxSpendSize(wallet, wtx, i, (coinControl && coinControl->fAllowWatchOnly)); + int input_bytes = CalculateMaximumSignedInputSize(output, COutPoint(), provider.get(), coinControl); result.coins.emplace_back(outpoint, output, nDepth, input_bytes, spendable, solvable, safeTx, wtx.GetTxTime(), tx_from_me, feerate); result.total_amount += output.nValue; @@ -289,8 +284,9 @@ std::map<CTxDestination, std::vector<COutput>> ListCoins(const CWallet& wallet) ) { CTxDestination address; if (ExtractDestination(FindNonChangeParentOutput(wallet, *wtx.tx, output.n).scriptPubKey, address)) { + const auto out = wtx.tx->vout.at(output.n); result[address].emplace_back( - COutPoint(wtx.GetHash(), output.n), wtx.tx->vout.at(output.n), depth, GetTxSpendSize(wallet, wtx, output.n), /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ false, wtx.GetTxTime(), CachedTxIsFromMe(wallet, wtx, ISMINE_ALL)); + COutPoint(wtx.GetHash(), output.n), out, depth, CalculateMaximumSignedInputSize(out, &wallet, /*coin_control=*/nullptr), /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ false, wtx.GetTxTime(), CachedTxIsFromMe(wallet, wtx, ISMINE_ALL)); } } } @@ -450,14 +446,14 @@ std::optional<SelectionResult> SelectCoins(const CWallet& wallet, const std::vec if (ptr_wtx->tx->vout.size() <= outpoint.n) { return std::nullopt; } - input_bytes = GetTxSpendSize(wallet, *ptr_wtx, outpoint.n, false); txout = ptr_wtx->tx->vout.at(outpoint.n); + input_bytes = CalculateMaximumSignedInputSize(txout, &wallet, &coin_control); } else { // The input is external. We did not find the tx in mapWallet. if (!coin_control.GetExternalOutput(outpoint, txout)) { return std::nullopt; } - input_bytes = CalculateMaximumSignedInputSize(txout, &coin_control.m_external_provider, /*use_max_sig=*/true); + input_bytes = CalculateMaximumSignedInputSize(txout, outpoint, &coin_control.m_external_provider, &coin_control); } // If available, override calculated size with coin control specified size if (coin_control.HasInputWeight(outpoint)) { |