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revert Preserve commitment format inside transactions #8277

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wowario 2023-02-03 01:14:11 +03:00
parent 052e775d24
commit bb391f0d00
No known key found for this signature in database
GPG Key ID: 793504B449C69220
4 changed files with 28 additions and 6 deletions
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9
src/blockchain_db/blockchain_db.cpp
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@ -241,8 +241,15 @@ void BlockchainDB::add_transaction(const crypto::hash& blk_hash, const std::pair
} }
else else
{ {
rct::key commitment;
if (tx.version > 1)
{
commitment = tx.rct_signatures.outPk[i].mask;
if (rct::is_rct_bulletproof_plus(tx.rct_signatures.type))
commitment = rct::scalarmult8(commitment);
}
amount_output_indices[i] = add_output(tx_hash, tx.vout[i], i, tx.unlock_time, amount_output_indices[i] = add_output(tx_hash, tx.vout[i], i, tx.unlock_time,
tx.version > 1 ? &tx.rct_signatures.outPk[i].mask : NULL); tx.version > 1 ? &commitment : NULL);
} }
} }
add_tx_amount_output_indices(tx_id, amount_output_indices); add_tx_amount_output_indices(tx_id, amount_output_indices);

2
src/cryptonote_basic/cryptonote_format_utils.cpp
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@ -190,7 +190,7 @@ namespace cryptonote
CHECK_AND_ASSERT_MES(n_amounts == rv.outPk.size(), false, "Internal error filling out V"); CHECK_AND_ASSERT_MES(n_amounts == rv.outPk.size(), false, "Internal error filling out V");
rv.p.bulletproofs_plus[0].V.resize(n_amounts); rv.p.bulletproofs_plus[0].V.resize(n_amounts);
for (size_t i = 0; i < n_amounts; ++i) for (size_t i = 0; i < n_amounts; ++i)
rv.p.bulletproofs_plus[0].V[i] = rct::scalarmultKey(rv.outPk[i].mask, rct::INV_EIGHT); rv.p.bulletproofs_plus[0].V[i] = rv.outPk[i].mask;
} }
else if (bulletproof) else if (bulletproof)
{ {

13
src/ringct/rctSigs.cpp
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@ -1195,6 +1195,9 @@ namespace rct {
} }
for (i = 0; i < outamounts.size(); ++i) for (i = 0; i < outamounts.size(); ++i)
{ {
if (plus)
rv.outPk[i].mask = C[i];
else
rv.outPk[i].mask = rct::scalarmult8(C[i]); rv.outPk[i].mask = rct::scalarmult8(C[i]);
outSk[i].mask = masks[i]; outSk[i].mask = masks[i];
} }
@ -1233,6 +1236,9 @@ namespace rct {
} }
for (i = 0; i < batch_size; ++i) for (i = 0; i < batch_size; ++i)
{ {
if (plus)
rv.outPk[i + amounts_proved].mask = C[i];
else
rv.outPk[i + amounts_proved].mask = rct::scalarmult8(C[i]); rv.outPk[i + amounts_proved].mask = rct::scalarmult8(C[i]);
outSk[i + amounts_proved].mask = masks[i]; outSk[i + amounts_proved].mask = masks[i];
} }
@ -1439,6 +1445,9 @@ namespace rct {
rct::keyV masks(rv.outPk.size()); rct::keyV masks(rv.outPk.size());
for (size_t i = 0; i < rv.outPk.size(); i++) { for (size_t i = 0; i < rv.outPk.size(); i++) {
if (bulletproof_plus)
masks[i] = rct::scalarmult8(rv.outPk[i].mask);
else
masks[i] = rv.outPk[i].mask; masks[i] = rv.outPk[i].mask;
} }
key sumOutpks = addKeys(masks); key sumOutpks = addKeys(masks);
@ -1599,6 +1608,8 @@ namespace rct {
mask = ecdh_info.mask; mask = ecdh_info.mask;
key amount = ecdh_info.amount; key amount = ecdh_info.amount;
key C = rv.outPk[i].mask; key C = rv.outPk[i].mask;
if (is_rct_bulletproof_plus(rv.type))
C = scalarmult8(C);
DP("C"); DP("C");
DP(C); DP(C);
key Ctmp; key Ctmp;
@ -1630,6 +1641,8 @@ namespace rct {
mask = ecdh_info.mask; mask = ecdh_info.mask;
key amount = ecdh_info.amount; key amount = ecdh_info.amount;
key C = rv.outPk[i].mask; key C = rv.outPk[i].mask;
if (is_rct_bulletproof_plus(rv.type))
C = scalarmult8(C);
DP("C"); DP("C");
DP(C); DP(C);
key Ctmp; key Ctmp;

4
src/wallet/wallet2.cpp
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@ -12198,7 +12198,9 @@ void wallet2::check_tx_key_helper(const cryptonote::transaction &tx, const crypt
crypto::derivation_to_scalar(found_derivation, n, scalar1); crypto::derivation_to_scalar(found_derivation, n, scalar1);
rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[n]; 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); 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; 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.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"); THROW_WALLET_EXCEPTION_IF(sc_check(ecdh_info.amount.bytes) != 0, error::wallet_internal_error, "Bad ECDH input amount");