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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2021-02-14 17:45:04 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2022-04-05 18:50:22 +0000 |
| commit | 4c94cfecfcb96c218b37234eda2f9c262821cf7c (patch) | |
| tree | af8183f3dacf18298fe0f6f5493c2dc48ebcc1cd /src/wallet | |
| parent | ringct: port some of vtnerd's review changes from BP+ to BP (diff) | |
| download | monero-4c94cfecfcb96c218b37234eda2f9c262821cf7c.tar.xz | |
store outPk/8 in the tx for speed
It avoids dividing by 8 when deserializing a tx, which is a slow
operation, and multiplies by 8 when verifying and extracing the
amount, which is much faster as well as less frequent
Diffstat (limited to 'src/wallet')
| -rw-r--r-- | src/wallet/wallet2.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index c13e8edbf..832dee3ce 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -11290,7 +11290,9 @@ void wallet2::check_tx_key_helper(const cryptonote::transaction &tx, const crypt crypto::derivation_to_scalar(found_derivation, n, scalar1); rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[n]; rct::ecdhDecode(ecdh_info, rct::sk2rct(scalar1), tx.rct_signatures.type == rct::RCTTypeBulletproof2 || tx.rct_signatures.type == rct::RCTTypeCLSAG || tx.rct_signatures.type == rct::RCTTypeBulletproofPlus); - const rct::key C = tx.rct_signatures.outPk[n].mask; + rct::key C = tx.rct_signatures.outPk[n].mask; + if (rct::is_rct_bulletproof_plus(tx.rct_signatures.type)) + C = rct::scalarmult8(C); rct::key Ctmp; THROW_WALLET_EXCEPTION_IF(sc_check(ecdh_info.mask.bytes) != 0, error::wallet_internal_error, "Bad ECDH input mask"); THROW_WALLET_EXCEPTION_IF(sc_check(ecdh_info.amount.bytes) != 0, error::wallet_internal_error, "Bad ECDH input amount"); |