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support old BP

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remotes/1691602464505633909/tmp_refs/heads/wonerujo-v0.10.1
wowario 5 years ago
parent 952b0492d9
commit e1ff02c1c5
14 changed files with 1567 additions and 49 deletions
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6
src/cryptonote_basic/cryptonote_boost_serialization.h
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@ -305,7 +305,7 @@ namespace boost
a & x.type;
if (x.type == rct::RCTTypeNull)
return;
if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple && x.type != rct::RCTTypeBulletproof && x.type != rct::RCTTypeBulletproof2 && x.type != rct::RCTTypeCLSAG)
if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple && x.type != rct::RCTTypeBulletproof && x.type != rct::RCTTypeBulletproof2 && x.type != rct::RCTTypeFullBulletproof && x.type != rct::RCTTypeSimpleBulletproof && x.type != rct::RCTTypeCLSAG)
throw boost::archive::archive_exception(boost::archive::archive_exception::other_exception, "Unsupported rct type");
// a & x.message; message is not serialized, as it can be reconstructed from the tx data
// a & x.mixRing; mixRing is not serialized, as it can be reconstructed from the offsets
@ -335,7 +335,7 @@ namespace boost
a & x.type;
if (x.type == rct::RCTTypeNull)
return;
if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple && x.type != rct::RCTTypeBulletproof && x.type != rct::RCTTypeBulletproof2 && x.type != rct::RCTTypeCLSAG)
if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple && x.type != rct::RCTTypeBulletproof && x.type != rct::RCTTypeBulletproof2 && x.type != rct::RCTTypeFullBulletproof && x.type != rct::RCTTypeSimpleBulletproof && x.type != rct::RCTTypeCLSAG)
throw boost::archive::archive_exception(boost::archive::archive_exception::other_exception, "Unsupported rct type");
// a & x.message; message is not serialized, as it can be reconstructed from the tx data
// a & x.mixRing; mixRing is not serialized, as it can be reconstructed from the offsets
@ -351,7 +351,7 @@ namespace boost
a & x.p.MGs;
if (ver >= 1u)
a & x.p.CLSAGs;
if (x.type == rct::RCTTypeBulletproof || x.type == rct::RCTTypeBulletproof2 || x.type == rct::RCTTypeCLSAG)
if (x.type == rct::RCTTypeBulletproof || x.type == rct::RCTTypeBulletproof2 || x.type == rct::RCTTypeSimpleBulletproof || x.type == rct::RCTTypeCLSAG)
a & x.p.pseudoOuts;
}

30
src/cryptonote_basic/cryptonote_format_utils.cpp
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@ -164,7 +164,7 @@ namespace cryptonote
if (!base_only)
{
const bool bulletproof = rct::is_rct_bulletproof(rv.type);
if (bulletproof)
if (rct::is_rct_new_bulletproof(rv.type))
{
if (rv.p.bulletproofs.size() != 1)
{
@ -177,7 +177,7 @@ namespace cryptonote
return false;
}
const size_t max_outputs = 1 << (rv.p.bulletproofs[0].L.size() - 6);
if (max_outputs < tx.vout.size())
if (max_outputs < tx.vout.size() && rv.type == rct::RCTTypeBulletproof)
{
LOG_PRINT_L1("Failed to parse transaction from blob, bad bulletproofs max outputs in tx " << get_transaction_hash(tx));
return false;
@ -188,6 +188,26 @@ namespace cryptonote
for (size_t i = 0; i < n_amounts; ++i)
rv.p.bulletproofs[0].V[i] = rct::scalarmultKey(rv.outPk[i].mask, rct::INV_EIGHT);
}
else if (bulletproof)
{
if (rct::n_bulletproof_v1_amounts(rv.p.bulletproofs) != tx.vout.size())
{
LOG_PRINT_L1("Failed to parse transaction from blob, bad bulletproofs size in tx " << get_transaction_hash(tx));
return false;
}
size_t idx = 0;
for (size_t n = 0; n < rv.outPk.size(); ++n)
{
//rv.p.bulletproofs[n].V.resize(1);
//rv.p.bulletproofs[n].V[0] = rv.outPk[n].mask;
CHECK_AND_ASSERT_MES(rv.p.bulletproofs[n].L.size() >= 6, false, "Bad bulletproofs L size"); // at least 64 bits
const size_t n_amounts = rct::n_bulletproof_v1_amounts(rv.p.bulletproofs[n]);
CHECK_AND_ASSERT_MES(idx + n_amounts <= rv.outPk.size(), false, "Internal error filling out V");
rv.p.bulletproofs[n].V.resize(n_amounts);
for (size_t i = 0; i < n_amounts; ++i)
rv.p.bulletproofs[n].V[i] = rv.outPk[idx++].mask;
}
}
}
}
return true;
@ -410,6 +430,12 @@ namespace cryptonote
const rct::rctSig &rv = tx.rct_signatures;
if (!rct::is_rct_bulletproof(rv.type))
return blob_size;
const size_t n_outputs = tx.vout.size();
if (n_outputs <= 2)
return blob_size;
if (rct::is_rct_old_bulletproof(rv.type))
return blob_size;
const uint64_t bp_base = 368;
const size_t n_padded_outputs = rct::n_bulletproof_max_amounts(rv.p.bulletproofs);
uint64_t bp_clawback = get_transaction_weight_clawback(tx, n_padded_outputs);
CHECK_AND_ASSERT_THROW_MES_L1(bp_clawback <= std::numeric_limits<uint64_t>::max() - blob_size, "Weight overflow");

41
src/cryptonote_core/blockchain.cpp
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@ -3092,13 +3092,13 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
}
// from v11, allow bulletproofs
if (hf_version < 11) {
// from v8, allow bulletproofs
if (hf_version < 8) {
if (tx.version >= 2) {
const bool bulletproof = rct::is_rct_bulletproof(tx.rct_signatures.type);
if (bulletproof || !tx.rct_signatures.p.bulletproofs.empty())
{
MERROR_VER("New Bulletproofs are not allowed before v11");
MERROR_VER("Bulletproofs are not allowed before v8");
tvc.m_invalid_output = true;
return false;
}
@ -3118,7 +3118,7 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
}
// from v10, allow bulletproofs v2
// from v13, allow bulletproofs v2
if (hf_version < HF_VERSION_SMALLER_BP) {
if (tx.version >= 2) {
if (tx.rct_signatures.type == rct::RCTTypeBulletproof2)
@ -3130,7 +3130,7 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
}
// from v11, allow only bulletproofs v2
// from v14, allow only bulletproofs v2
if (hf_version > HF_VERSION_SMALLER_BP) {
if (tx.version >= 2) {
if (tx.rct_signatures.type == rct::RCTTypeBulletproof)
@ -3142,7 +3142,7 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
}
// from v13, allow CLSAGs
// from v16, allow CLSAGs
if (hf_version < HF_VERSION_CLSAG) {
if (tx.version >= 2) {
if (tx.rct_signatures.type == rct::RCTTypeCLSAG)
@ -3154,7 +3154,7 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
}
// from v14, allow only CLSAGs
// from v17, allow only CLSAGs
if (hf_version > HF_VERSION_CLSAG) {
if (tx.version >= 2) {
if (tx.rct_signatures.type <= rct::RCTTypeBulletproof2)
@ -3178,6 +3178,19 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
}
// from v12, forbid old bulletproofs
if (hf_version > 11) {
if (tx.version >= 2) {
const bool old_bulletproof = rct::is_rct_old_bulletproof(tx.rct_signatures.type);
if (old_bulletproof)
{
MERROR_VER("Old Bulletproofs are not allowed after v11");
tvc.m_invalid_output = true;
return false;
}
}
}
return true;
}
//------------------------------------------------------------------
@ -3203,7 +3216,7 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
rv.message = rct::hash2rct(tx_prefix_hash);
// mixRing - full and simple store it in opposite ways
if (rv.type == rct::RCTTypeFull)
if (rv.type == rct::RCTTypeFull || rv.type == rct::RCTTypeFullBulletproof)
{
CHECK_AND_ASSERT_MES(!pubkeys.empty() && !pubkeys[0].empty(), false, "empty pubkeys");
rv.mixRing.resize(pubkeys[0].size());
@ -3218,7 +3231,7 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
}
}
}
else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeBulletproof || rv.type == rct::RCTTypeBulletproof2 || rv.type == rct::RCTTypeCLSAG)
else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeBulletproof || rv.type == rct::RCTTypeBulletproof2 || rv.type == rct::RCTTypeSimpleBulletproof || rv.type == rct::RCTTypeCLSAG)
{
CHECK_AND_ASSERT_MES(!pubkeys.empty() && !pubkeys[0].empty(), false, "empty pubkeys");
rv.mixRing.resize(pubkeys.size());
@ -3245,7 +3258,7 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
}
// II
if (rv.type == rct::RCTTypeFull)
if (rv.type == rct::RCTTypeFull || rv.type == rct::RCTTypeFullBulletproof)
{
if (!tx.pruned)
{
@ -3255,7 +3268,7 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
rv.p.MGs[0].II[n] = rct::ki2rct(boost::get<txin_to_key>(tx.vin[n]).k_image);
}
}
else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeBulletproof || rv.type == rct::RCTTypeBulletproof2)
else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeBulletproof || rv.type == rct::RCTTypeBulletproof2 || rv.type == rct::RCTTypeSimpleBulletproof)
{
if (!tx.pruned)
{
@ -3557,6 +3570,7 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
return false;
}
case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof:
case rct::RCTTypeBulletproof:
case rct::RCTTypeBulletproof2:
case rct::RCTTypeCLSAG:
@ -3623,6 +3637,7 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
break;
}
case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
{
// check all this, either reconstructed (so should really pass), or not
{
@ -3689,13 +3704,13 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
// for bulletproofs, check they're only multi-output after v8
if (rct::is_rct_bulletproof(rv.type))
{
if (hf_version < 11)
if (hf_version < 8)
{
for (const rct::Bulletproof &proof: rv.p.bulletproofs)
{
if (proof.V.size() > 1)
{
MERROR_VER("Multi output bulletproofs are invalid before v11");
MERROR_VER("Multi output bulletproofs are invalid before v8");
return false;
}
}

40
src/cryptonote_core/cryptonote_core.cpp
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@ -849,6 +849,44 @@ namespace cryptonote
return false;
}
// resolve outPk references in rct txes
// outPk aren't the only thing that need resolving for a fully resolved tx,
// but outPk (1) are needed now to check range proof semantics, and
// (2) do not need access to the blockchain to find data
if (tx.version >= 2)
{
rct::rctSig &rv = tx.rct_signatures;
if (!rct::is_rct_new_bulletproof(rv.type)){
if (rv.outPk.size() != tx.vout.size())
{
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Bad outPk size in tx " << tx_hash << ", rejected");
tvc.m_verifivation_failed = true;
return false;
}
for (size_t n = 0; n < tx.rct_signatures.outPk.size(); ++n)
rv.outPk[n].dest = rct::pk2rct(boost::get<txout_to_key>(tx.vout[n].target).key);
const bool bulletproof = rct::is_rct_bulletproof(rv.type);
if (bulletproof)
{
if (rct::n_bulletproof_v1_amounts(rv.p.bulletproofs) != tx.vout.size())
{
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Bad bulletproofs size in tx " << tx_hash << ", rejected");
tvc.m_verifivation_failed = true;
return false;
}
size_t idx = 0;
for (size_t n = 0; n < rv.p.bulletproofs.size(); ++n)
{
CHECK_AND_ASSERT_MES(rv.p.bulletproofs[n].L.size() >= 6, false, "Bad bulletproofs L size"); // at least 64 bits
const size_t n_amounts = rct::n_bulletproof_v1_amounts(rv.p.bulletproofs[n]);
CHECK_AND_ASSERT_MES(idx + n_amounts <= rv.outPk.size(), false, "Internal error filling out V");
rv.p.bulletproofs[n].V.clear();
for (size_t i = 0; i < n_amounts; ++i)
rv.p.bulletproofs[n].V.push_back(rv.outPk[idx++].mask);
}
}
}
}
return true;
}
//-----------------------------------------------------------------------------------------------
@ -907,6 +945,7 @@ namespace cryptonote
tx_info[n].result = false;
break;
case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof:
if (!rct::verRctSemanticsSimple(rv))
{
MERROR_VER("rct signature semantics check failed");
@ -917,6 +956,7 @@ namespace cryptonote
}
break;
case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
if (!rct::verRct(rv, true))
{
MERROR_VER("rct signature semantics check failed");

4
src/cryptonote_core/cryptonote_tx_utils.cpp
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@ -602,7 +602,9 @@ namespace cryptonote
crypto::hash tx_prefix_hash;
get_transaction_prefix_hash(tx, tx_prefix_hash, hwdev);
rct::ctkeyV outSk;
if (use_simple_rct)
if (rct_config.range_proof_type != rct::RangeProofPaddedBulletproof && use_simple_rct)
tx.rct_signatures = rct::genRctSimple_old(rct::hash2rct(tx_prefix_hash), inSk, destinations, inamounts, outamounts, amount_in - amount_out, mixRing, amount_keys, msout ? &kLRki : NULL, msout, index, outSk, rct_config, hwdev);
else if (use_simple_rct && rct_config.range_proof_type == rct::RangeProofPaddedBulletproof)
tx.rct_signatures = rct::genRctSimple(rct::hash2rct(tx_prefix_hash), inSk, destinations, inamounts, outamounts, amount_in - amount_out, mixRing, amount_keys, msout ? &kLRki : NULL, msout, index, outSk, rct_config, hwdev);
else
tx.rct_signatures = rct::genRct(rct::hash2rct(tx_prefix_hash), inSk, destinations, outamounts, mixRing, amount_keys, msout ? &kLRki[0] : NULL, msout, sources[0].real_output, outSk, rct_config, hwdev); // same index assumption

4
src/cryptonote_core/tx_pool.cpp
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@ -112,8 +112,8 @@ namespace cryptonote
uint64_t get_transaction_weight_limit(uint8_t version)
{
// from v8, limit a tx to 50% of the minimum block weight
if (version >= 8)
// from v12, limit a tx to 50% of the minimum block weight
if (version >= 12)
return get_min_block_weight(version) / 2 - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE;
else
return get_min_block_weight(version) - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE;

3
src/ringct/CMakeLists.txt
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@ -31,7 +31,8 @@ set(ringct_basic_sources
rctTypes.cpp
rctCryptoOps.c
multiexp.cc
bulletproofs.cc)
bulletproofs.cc
bulletproofs2.cc)
set(ringct_basic_private_headers
rctOps.h

7
src/ringct/bulletproofs.h
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@ -42,9 +42,16 @@ Bulletproof bulletproof_PROVE(const rct::key &v, const rct::key &gamma);
Bulletproof bulletproof_PROVE(uint64_t v, const rct::key &gamma);
Bulletproof bulletproof_PROVE(const rct::keyV &v, const rct::keyV &gamma);
Bulletproof bulletproof_PROVE(const std::vector<uint64_t> &v, const rct::keyV &gamma);
Bulletproof bulletproof_PROVE_old(const rct::key &v, const rct::key &gamma);
Bulletproof bulletproof_PROVE_old(uint64_t v, const rct::key &gamma);
Bulletproof bulletproof_PROVE_old(const rct::keyV &v, const rct::keyV &gamma);
Bulletproof bulletproof_PROVE_old(const std::vector<uint64_t> &v, const rct::keyV &gamma);
bool bulletproof_VERIFY(const Bulletproof &proof);
bool bulletproof_VERIFY(const std::vector<const Bulletproof*> &proofs);
bool bulletproof_VERIFY(const std::vector<Bulletproof> &proofs);
bool bulletproof_VERIFY_old(const Bulletproof &proof);
bool bulletproof_VERIFY_old(const std::vector<const Bulletproof*> &proofs);
bool bulletproof_VERIFY_old(const std::vector<Bulletproof> &proofs);
}

1165
src/ringct/bulletproofs2.cc
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File diff suppressed because it is too large Load Diff

224
src/ringct/rctSigs.cpp
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@ -93,6 +93,24 @@ namespace rct {
return proof;
}
Bulletproof proveRangeBulletproof_old(key &C, key &mask, uint64_t amount)
{
mask = rct::skGen();
Bulletproof proof = bulletproof_PROVE_old(amount, mask);
CHECK_AND_ASSERT_THROW_MES(proof.V.size() == 1, "V has not exactly one element");
C = proof.V[0];
return proof;
}
Bulletproof proveRangeBulletproof_old(keyV &C, keyV &masks, const std::vector<uint64_t> &amounts)
{
masks = rct::skvGen(amounts.size());
Bulletproof proof = bulletproof_PROVE_old(amounts, masks);
CHECK_AND_ASSERT_THROW_MES(proof.V.size() == amounts.size(), "V does not have the expected size");
C = proof.V;
return proof;
}
bool verBulletproof(const Bulletproof &proof)
{
try { return bulletproof_VERIFY(proof); }
@ -107,6 +125,20 @@ namespace rct {
catch (...) { return false; }
}
bool verBulletproof_old(const Bulletproof &proof)
{
try { return bulletproof_VERIFY_old(proof); }
// we can get deep throws from ge_frombytes_vartime if input isn't valid
catch (...) { return false; }
}
bool verBulletproof_old(const std::vector<const Bulletproof*> &proofs)
{
try { return bulletproof_VERIFY_old(proofs); }
// we can get deep throws from ge_frombytes_vartime if input isn't valid
catch (...) { return false; }
}
//Borromean (c.f. gmax/andytoshi's paper)
boroSig genBorromean(const key64 x, const key64 P1, const key64 P2, const bits indices) {
key64 L[2], alpha;
@ -589,7 +621,7 @@ namespace rct {
hashes.push_back(hash2rct(h));
keyV kv;
if (rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeCLSAG)
if (rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeSimpleBulletproof || rv.type == RCTTypeFullBulletproof || rv.type == RCTTypeCLSAG)
{
kv.reserve((6*2+9) * rv.p.bulletproofs.size());
for (const auto &p: rv.p.bulletproofs)
@ -1003,6 +1035,7 @@ namespace rct {
// Note: For txn fees, the last index in the amounts vector should contain that
// Thus the amounts vector will be "one" longer than the destinations vectort
rctSig genRct(const key &message, const ctkeyV & inSk, const keyV & destinations, const vector<xmr_amount> & amounts, const ctkeyM &mixRing, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, unsigned int index, ctkeyV &outSk, const RCTConfig &rct_config, hw::device &hwdev) {
const bool bulletproof = rct_config.range_proof_type != RangeProofBorromean;
CHECK_AND_ASSERT_THROW_MES(amounts.size() == destinations.size() || amounts.size() == destinations.size() + 1, "Different number of amounts/destinations");
CHECK_AND_ASSERT_THROW_MES(amount_keys.size() == destinations.size(), "Different number of amount_keys/destinations");
CHECK_AND_ASSERT_THROW_MES(index < mixRing.size(), "Bad index into mixRing");
@ -1013,10 +1046,11 @@ namespace rct {
CHECK_AND_ASSERT_THROW_MES(inSk.size() < 2, "genRct is not suitable for 2+ rings");
rctSig rv;
rv.type = RCTTypeFull;
rv.type = bulletproof ? RCTTypeFullBulletproof : RCTTypeFull;
rv.message = message;
rv.outPk.resize(destinations.size());
rv.p.rangeSigs.resize(destinations.size());
if (!bulletproof)
rv.p.rangeSigs.resize(destinations.size());
rv.ecdhInfo.resize(destinations.size());
size_t i = 0;
@ -1026,10 +1060,45 @@ namespace rct {
//add destination to sig
rv.outPk[i].dest = copy(destinations[i]);
//compute range proof
rv.p.rangeSigs[i] = proveRange(rv.outPk[i].mask, outSk[i].mask, amounts[i]);
if (!bulletproof)
{
rv.p.rangeSigs[i] = proveRange(rv.outPk[i].mask, outSk[i].mask, amounts[i]);
#ifdef DBG
CHECK_AND_ASSERT_THROW_MES(verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]), "verRange failed on newly created proof");
#endif
}
}
rv.p.bulletproofs.clear();
if (bulletproof)
{
std::vector<uint64_t> proof_amounts;
size_t amounts_proved = 0;
while (amounts_proved < amounts.size())
{
size_t batch_size = 1;
if (rct_config.range_proof_type == RangeProofMultiOutputBulletproof)
while (batch_size * 2 + amounts_proved <= amounts.size())
batch_size *= 2;
rct::keyV C, masks;
std::vector<uint64_t> batch_amounts(batch_size);
for (i = 0; i < batch_size; ++i)
batch_amounts[i] = amounts[i + amounts_proved];
rv.p.bulletproofs.push_back(proveRangeBulletproof_old(C, masks, batch_amounts));
#ifdef DBG
CHECK_AND_ASSERT_THROW_MES(verBulletproof_old(rv.p.bulletproofs.back()), "verBulletproof failed on newly created proof");
#endif
for (i = 0; i < batch_size; ++i)
{
rv.outPk[i + amounts_proved].mask = C[i];
outSk[i + amounts_proved].mask = masks[i];
}
amounts_proved += batch_size;
}
}
for (i = 0; i < outSk.size(); ++i)
{
//mask amount and mask
rv.ecdhInfo[i].mask = copy(outSk[i].mask);
rv.ecdhInfo[i].amount = d2h(amounts[i]);
@ -1249,6 +1318,104 @@ namespace rct {
return genRctSimple(message, inSk, destinations, inamounts, outamounts, txnFee, mixRing, amount_keys, kLRki, msout, index, outSk, rct_config, hwdev);
}
//RCT simple
//for post-rct only
rctSig genRctSimple_old(const key &message, const ctkeyV & inSk, const keyV & destinations, const vector<xmr_amount> &inamounts, const vector<xmr_amount> &outamounts, xmr_amount txnFee, const ctkeyM & mixRing, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, const std::vector<unsigned int> & index, ctkeyV &outSk, const RCTConfig &rct_config, hw::device &hwdev) {
const bool bulletproof = rct_config.range_proof_type != RangeProofBorromean;
CHECK_AND_ASSERT_THROW_MES(inamounts.size() > 0, "Empty inamounts");
CHECK_AND_ASSERT_THROW_MES(inamounts.size() == inSk.size(), "Different number of inamounts/inSk");
CHECK_AND_ASSERT_THROW_MES(outamounts.size() == destinations.size(), "Different number of amounts/destinations");
CHECK_AND_ASSERT_THROW_MES(amount_keys.size() == destinations.size(), "Different number of amount_keys/destinations");
CHECK_AND_ASSERT_THROW_MES(index.size() == inSk.size(), "Different number of index/inSk");
CHECK_AND_ASSERT_THROW_MES(mixRing.size() == inSk.size(), "Different number of mixRing/inSk");
for (size_t n = 0; n < mixRing.size(); ++n) {
CHECK_AND_ASSERT_THROW_MES(index[n] < mixRing[n].size(), "Bad index into mixRing");
}
CHECK_AND_ASSERT_THROW_MES((kLRki && msout) || (!kLRki && !msout), "Only one of kLRki/msout is present");
if (kLRki && msout) {
CHECK_AND_ASSERT_THROW_MES(kLRki->size() == inamounts.size(), "Mismatched kLRki/inamounts sizes");
}
rctSig rv;
rv.type = bulletproof ? RCTTypeSimpleBulletproof : RCTTypeSimple;
rv.message = message;
rv.outPk.resize(destinations.size());
if (bulletproof)
rv.p.bulletproofs.resize(destinations.size());
else
rv.p.rangeSigs.resize(destinations.size());
rv.ecdhInfo.resize(destinations.size());
size_t i;
keyV masks(destinations.size()); //sk mask..
outSk.resize(destinations.size());
key sumout = zero();
for (i = 0; i < destinations.size(); i++) {
//add destination to sig
rv.outPk[i].dest = copy(destinations[i]);
//compute range proof
if (bulletproof)
rv.p.bulletproofs[i] = proveRangeBulletproof_old(rv.outPk[i].mask, outSk[i].mask, outamounts[i]);
else
rv.p.rangeSigs[i] = proveRange(rv.outPk[i].mask, outSk[i].mask, outamounts[i]);
#ifdef DBG
if (bulletproof)
CHECK_AND_ASSERT_THROW_MES(verBulletproof_old(rv.p.bulletproofs[i]), "verBulletproof failed on newly created proof");
else
CHECK_AND_ASSERT_THROW_MES(verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]), "verRange failed on newly created proof");
#endif
sc_add(sumout.bytes, outSk[i].mask.bytes, sumout.bytes);
//mask amount and mask
rv.ecdhInfo[i].mask = copy(outSk[i].mask);
rv.ecdhInfo[i].amount = d2h(outamounts[i]);
hwdev.ecdhEncode(rv.ecdhInfo[i], amount_keys[i], rv.type == RCTTypeSimpleBulletproof);
}
//set txn fee
rv.txnFee = txnFee;
// TODO: unused ??
// key txnFeeKey = scalarmultH(d2h(rv.txnFee));
rv.mixRing = mixRing;
keyV &pseudoOuts = bulletproof ? rv.p.pseudoOuts : rv.pseudoOuts;
pseudoOuts.resize(inamounts.size());
rv.p.MGs.resize(inamounts.size());
key sumpouts = zero(); //sum pseudoOut masks
keyV a(inamounts.size());
for (i = 0 ; i < inamounts.size() - 1; i++) {
skGen(a[i]);
sc_add(sumpouts.bytes, a[i].bytes, sumpouts.bytes);
genC(pseudoOuts[i], a[i], inamounts[i]);
}
rv.mixRing = mixRing;
sc_sub(a[i].bytes, sumout.bytes, sumpouts.bytes);
genC(pseudoOuts[i], a[i], inamounts[i]);
DP(pseudoOuts[i]);
key full_message = get_pre_mlsag_hash(rv,hwdev);
if (msout)
msout->c.resize(inamounts.size());
for (i = 0 ; i < inamounts.size(); i++) {
rv.p.MGs[i] = proveRctMGSimple(full_message, rv.mixRing[i], inSk[i], a[i], pseudoOuts[i], kLRki ? &(*kLRki)[i]: NULL, msout ? &msout->c[i] : NULL, index[i], hwdev);
}
return rv;
}
rctSig genRctSimple_old(const key &message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const vector<xmr_amount> &inamounts, const vector<xmr_amount> &outamounts, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, xmr_amount txnFee, unsigned int mixin, const RCTConfig &rct_config, hw::device &hwdev) {
std::vector<unsigned int> index;
index.resize(inPk.size());
ctkeyM mixRing;
ctkeyV outSk;
mixRing.resize(inPk.size());
for (size_t i = 0; i < inPk.size(); ++i) {
mixRing[i].resize(mixin+1);
index[i] = populateFromBlockchainSimple(mixRing[i], inPk[i], mixin);
}
return genRctSimple_old(message, inSk, destinations, inamounts, outamounts, txnFee, mixRing, amount_keys, kLRki, msout, index, outSk, rct_config, hwdev);
}
//RingCT protocol
//genRct:
// creates an rctSig with all data necessary to verify the rangeProofs and that the signer owns one of the
@ -1261,10 +1428,13 @@ namespace rct {
// must know the destination private key to find the correct amount, else will return a random number
bool verRct(const rctSig & rv, bool semantics) {
PERF_TIMER(verRct);
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull, false, "verRct called on non-full rctSig");
const bool bulletproof = is_rct_bulletproof(rv.type);
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeFullBulletproof, false, "verRct called on non-full rctSig");
if (semantics)
{
if (rv.type == RCTTypeBulletproof)
CHECK_AND_ASSERT_MES(rv.outPk.size() == rv.p.rangeSigs.size(), false, "Mismatched sizes of outPk and rv.p.rangeSigs");
else
CHECK_AND_ASSERT_MES(rv.outPk.size() == rv.ecdhInfo.size(), false, "Mismatched sizes of outPk and rv.ecdhInfo");
CHECK_AND_ASSERT_MES(rv.p.MGs.size() == 1, false, "full rctSig has not one MG");
}
@ -1279,10 +1449,23 @@ namespace rct {
if (semantics) {
tools::threadpool& tpool = tools::threadpool::getInstance();
tools::threadpool::waiter waiter(tpool);
std::deque<bool> results(rv.outPk.size(), false);
std::deque<bool> results(bulletproof ? rv.p.bulletproofs.size() : rv.outPk.size(), false);
DP("range proofs verified?");
for (size_t i = 0; i < rv.outPk.size(); i++)
tpool.submit(&waiter, [&, i] { results[i] = verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]); });
if (rct::is_rct_new_bulletproof(rv.type))
{
for (size_t i = 0; i < rv.p.bulletproofs.size(); i++)
tpool.submit(&waiter, [&, i] { results[i] = verBulletproof(rv.p.bulletproofs[i]); });
}
else if (bulletproof)
{
for (size_t i = 0; i < rv.p.bulletproofs.size(); i++)
tpool.submit(&waiter, [&, i] { results[i] = verBulletproof_old(rv.p.bulletproofs[i]); });
}
else
{
for (size_t i = 0; i < rv.outPk.size(); i++)
tpool.submit(&waiter, [&, i] { results[i] = verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]); });
}
if (!waiter.wait())
return false;
@ -1337,7 +1520,7 @@ namespace rct {
{
CHECK_AND_ASSERT_MES(rvp, false, "rctSig pointer is NULL");
const rctSig &rv = *rvp;
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeCLSAG,
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeSimpleBulletproof || rv.type == RCTTypeCLSAG,
false, "verRctSemanticsSimple called on non simple rctSig");
const bool bulletproof = is_rct_bulletproof(rv.type);
if (bulletproof)
@ -1405,12 +1588,23 @@ namespace rct {
offset += rv.p.rangeSigs.size();
}
}
for (const rctSig *rvp: rvv)
{
const rctSig &rv = *rvp;
if (!rct::is_rct_new_bulletproof(rv.type)){
if (!proofs.empty() && !verBulletproof_old(proofs))
{
LOG_PRINT_L1("Aggregate range proof verified failed");
return false;
}
} else {
if (!proofs.empty() && !verBulletproof(proofs))
{
LOG_PRINT_L1("Aggregate range proof verified failed");
return false;
}
}
}
if (!waiter.wait())
return false;
for (size_t i = 0; i < results.size(); ++i) {
@ -1447,7 +1641,7 @@ namespace rct {
{
PERF_TIMER(verRctNonSemanticsSimple);
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeCLSAG,
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeSimpleBulletproof || rv.type == RCTTypeCLSAG,
false, "verRctNonSemanticsSimple called on non simple rctSig");
const bool bulletproof = is_rct_bulletproof(rv.type);
// semantics check is early, and mixRing/MGs aren't resolved yet
@ -1514,7 +1708,7 @@ namespace rct {
// uses the attached ecdh info to find the amounts represented by each output commitment
// must know the destination private key to find the correct amount, else will return a random number
xmr_amount decodeRct(const rctSig & rv, const key & sk, unsigned int i, key & mask, hw::device &hwdev) {
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull, false, "decodeRct called on non-full rctSig");
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeFullBulletproof, false, "decodeRct called on non-full rctSig");
CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index");
CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.ecdhInfo.size(), "Mismatched sizes of rv.outPk and rv.ecdhInfo");
@ -1544,7 +1738,7 @@ namespace rct {
}
xmr_amount decodeRctSimple(const rctSig & rv, const key & sk, unsigned int i, key &mask, hw::device &hwdev) {
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeCLSAG, false, "decodeRct called on non simple rctSig");
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeSimpleBulletproof || rv.type == RCTTypeCLSAG, false, "decodeRct called on non simple rctSig");
CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index");
CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.ecdhInfo.size(), "Mismatched sizes of rv.outPk and rv.ecdhInfo");
@ -1574,13 +1768,13 @@ namespace rct {
}
bool signMultisigMLSAG(rctSig &rv, const std::vector<unsigned int> &indices, const keyV &k, const multisig_out &msout, const key &secret_key) {
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2,
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2 || rv.type == RCTTypeFullBulletproof || rv.type == RCTTypeSimpleBulletproof,
false, "unsupported rct type");
CHECK_AND_ASSERT_MES(indices.size() == k.size(), false, "Mismatched k/indices sizes");
CHECK_AND_ASSERT_MES(k.size() == rv.p.MGs.size(), false, "Mismatched k/MGs size");
CHECK_AND_ASSERT_MES(k.size() == msout.c.size(), false, "Mismatched k/msout.c size");
CHECK_AND_ASSERT_MES(rv.p.CLSAGs.empty(), false, "CLSAGs not empty for MLSAGs");
if (rv.type == RCTTypeFull)
if (rv.type == RCTTypeFull || rv.type == RCTTypeFullBulletproof)
{
CHECK_AND_ASSERT_MES(rv.p.MGs.size() == 1, false, "MGs not a single element");
}

2
src/ringct/rctSigs.h
Unescape View File

@ -127,6 +127,8 @@ namespace rct {
rctSig genRct(const key &message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const std::vector<xmr_amount> & amounts, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, const int mixin, const RCTConfig &rct_config, hw::device &hwdev);
rctSig genRctSimple(const key & message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const std::vector<xmr_amount> & inamounts, const std::vector<xmr_amount> & outamounts, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, xmr_amount txnFee, unsigned int mixin, const RCTConfig &rct_config, hw::device &hwdev);
rctSig genRctSimple(const key & message, const ctkeyV & inSk, const keyV & destinations, const std::vector<xmr_amount> & inamounts, const std::vector<xmr_amount> & outamounts, xmr_amount txnFee, const ctkeyM & mixRing, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, const std::vector<unsigned int> & index, ctkeyV &outSk, const RCTConfig &rct_config, hw::device &hwdev);
rctSig genRctSimple_old(const key & message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const std::vector<xmr_amount> & inamounts, const std::vector<xmr_amount> & outamounts, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, xmr_amount txnFee, unsigned int mixin, const RCTConfig &rct_config, hw::device &hwdev);
rctSig genRctSimple_old(const key & message, const ctkeyV & inSk, const keyV & destinations, const std::vector<xmr_amount> & inamounts, const std::vector<xmr_amount> & outamounts, xmr_amount txnFee, const ctkeyM & mixRing, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, const std::vector<unsigned int> & index, ctkeyV &outSk, const RCTConfig &rct_config, hw::device &hwdev);
bool verRct(const rctSig & rv, bool semantics);
static inline bool verRct(const rctSig & rv) { return verRct(rv, true) && verRct(rv, false); }
bool verRctSemanticsSimple(const rctSig & rv);

39
src/ringct/rctTypes.cpp
Unescape View File

@ -193,6 +193,7 @@ namespace rct {
switch (type)
{
case RCTTypeSimple:
case RCTTypeSimpleBulletproof:
case RCTTypeBulletproof:
case RCTTypeBulletproof2:
case RCTTypeCLSAG:
@ -206,6 +207,8 @@ namespace rct {
{
switch (type)
{
case RCTTypeSimpleBulletproof:
case RCTTypeFullBulletproof:
case RCTTypeBulletproof:
case RCTTypeBulletproof2:
case RCTTypeCLSAG:
@ -215,6 +218,23 @@ namespace rct {
}
}
bool is_rct_old_bulletproof(int type)
{
switch (type)
{
case RCTTypeSimpleBulletproof:
case RCTTypeFullBulletproof:
return true;
default:
return false;
}
}
bool is_rct_new_bulletproof(int type)
{
return is_rct_bulletproof(type) && !is_rct_old_bulletproof(type);
}
bool is_rct_borromean(int type)
{
switch (type)
@ -227,6 +247,25 @@ namespace rct {
}
}
size_t n_bulletproof_v1_amounts(const Bulletproof &proof)
{
CHECK_AND_ASSERT_MES(proof.L.size() >= 6, 0, "Invalid bulletproof L size");
CHECK_AND_ASSERT_MES(proof.L.size() <= 31, 0, "Insane bulletproof L size");
return 1 << (proof.L.size() - 6);
}
size_t n_bulletproof_v1_amounts(const std::vector<Bulletproof> &proofs)
{
size_t n = 0;
for (const Bulletproof &proof: proofs)
{
size_t n2 = n_bulletproof_v1_amounts(proof);
CHECK_AND_ASSERT_MES(n2 < std::numeric_limits<uint32_t>::max() - n, 0, "Invalid number of bulletproofs");
if (n2 == 0)
return 0;
n += n2;
}
return n;
}
size_t n_bulletproof_amounts(const Bulletproof &proof)
{
CHECK_AND_ASSERT_MES(proof.L.size() >= 6, 0, "Invalid bulletproof L size");

47
src/ringct/rctTypes.h
Unescape View File

@ -239,8 +239,10 @@ namespace rct {
};
size_t n_bulletproof_amounts(const Bulletproof &proof);
size_t n_bulletproof_v1_amounts(const Bulletproof &proof);
size_t n_bulletproof_max_amounts(const Bulletproof &proof);
size_t n_bulletproof_amounts(const std::vector<Bulletproof> &proofs);
size_t n_bulletproof_v1_amounts(const std::vector<Bulletproof> &proofs);
size_t n_bulletproof_max_amounts(const std::vector<Bulletproof> &proofs);
//A container to hold all signatures necessary for RingCT
@ -254,9 +256,11 @@ namespace rct {
RCTTypeNull = 0,
RCTTypeFull = 1,
RCTTypeSimple = 2,
RCTTypeBulletproof = 3,
RCTTypeBulletproof2 = 4,
RCTTypeCLSAG = 5,
RCTTypeFullBulletproof = 3,
RCTTypeSimpleBulletproof = 4,
RCTTypeBulletproof = 5,
RCTTypeBulletproof2 = 6,
RCTTypeCLSAG = 7,
};
enum RangeProofType { RangeProofBorromean, RangeProofBulletproof, RangeProofMultiOutputBulletproof, RangeProofPaddedBulletproof };
struct RCTConfig {
@ -285,7 +289,7 @@ namespace rct {
FIELD(type)
if (type == RCTTypeNull)
return ar.stream().good();
if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof && type != RCTTypeBulletproof2 && type != RCTTypeCLSAG)
if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof && type != RCTTypeBulletproof2 && type != RCTTypeFullBulletproof && type != RCTTypeSimpleBulletproof && type != RCTTypeCLSAG)
return false;
VARINT_FIELD(txnFee)
// inputs/outputs not saved, only here for serialization help
@ -376,9 +380,24 @@ namespace rct {
return false;
if (type == RCTTypeNull)
return ar.stream().good();
if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof && type != RCTTypeBulletproof2 && type != RCTTypeCLSAG)
if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof && type != RCTTypeBulletproof2 && type != RCTTypeFullBulletproof && type != RCTTypeSimpleBulletproof && type != RCTTypeCLSAG)
return false;
if (type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeCLSAG)
if (type == RCTTypeSimpleBulletproof || type == RCTTypeFullBulletproof)
{
ar.tag("bp");
ar.begin_array();
PREPARE_CUSTOM_VECTOR_SERIALIZATION(outputs, bulletproofs);
if (bulletproofs.size() != outputs)
return false;
for (size_t i = 0; i < outputs; ++i)
{
FIELDS(bulletproofs[i])
if (outputs - i > 1)
ar.delimit_array();
}
ar.end_array();
}
else if (type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeCLSAG)
{
uint32_t nbp = bulletproofs.size();
if (type == RCTTypeBulletproof2 || type == RCTTypeCLSAG)
@ -462,7 +481,7 @@ namespace rct {
ar.begin_array();
// we keep a byte for size of MGs, because we don't know whether this is
// a simple or full rct signature, and it's starting to annoy the hell out of me
size_t mg_elements = (type == RCTTypeSimple || type == RCTTypeBulletproof || type == RCTTypeBulletproof2) ? inputs : 1;
size_t mg_elements = (type == RCTTypeSimple || type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeSimpleBulletproof) ? inputs : 1;
PREPARE_CUSTOM_VECTOR_SERIALIZATION(mg_elements, MGs);
if (MGs.size() != mg_elements)
return false;
@ -480,7 +499,7 @@ namespace rct {
for (size_t j = 0; j < mixin + 1; ++j)
{
ar.begin_array();
size_t mg_ss2_elements = ((type == RCTTypeSimple || type == RCTTypeBulletproof || type == RCTTypeBulletproof2) ? 1 : inputs) + 1;
size_t mg_ss2_elements = ((type == RCTTypeSimple || type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeSimpleBulletproof) ? 1 : inputs) + 1;
PREPARE_CUSTOM_VECTOR_SERIALIZATION(mg_ss2_elements, MGs[i].ss[j]);
if (MGs[i].ss[j].size() != mg_ss2_elements)
return false;
@ -507,7 +526,7 @@ namespace rct {
}
ar.end_array();
}
if (type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeCLSAG)
if (type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeSimpleBulletproof || type == RCTTypeCLSAG)
{
ar.tag("pseudoOuts");
ar.begin_array();
@ -538,12 +557,16 @@ namespace rct {
keyV& get_pseudo_outs()
{
return type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeCLSAG ? p.pseudoOuts : pseudoOuts;
if (type == RCTTypeBulletproof)
return type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeCLSAG ? p.pseudoOuts : pseudoOuts;
return type == RCTTypeSimpleBulletproof ? p.pseudoOuts : pseudoOuts;
}
keyV const& get_pseudo_outs() const
{
return type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeCLSAG ? p.pseudoOuts : pseudoOuts;
if (type == RCTTypeBulletproof)
return type == RCTTypeBulletproof || type == RCTTypeBulletproof2 || type == RCTTypeCLSAG ? p.pseudoOuts : pseudoOuts;
return type == RCTTypeSimpleBulletproof ? p.pseudoOuts : pseudoOuts;
}
BEGIN_SERIALIZE_OBJECT()
@ -655,6 +678,8 @@ namespace rct {
bool is_rct_simple(int type);
bool is_rct_bulletproof(int type);
bool is_rct_old_bulletproof(int type);
bool is_rct_new_bulletproof(int type);
bool is_rct_borromean(int type);
static inline const rct::key &pk2rct(const crypto::public_key &pk) { return (const rct::key&)pk; }

4
src/wallet/wallet2.cpp
Unescape View File

@ -898,7 +898,7 @@ uint64_t estimate_tx_weight(bool use_rct, int n_inputs, int mixin, int n_outputs
uint8_t get_bulletproof_fork()
{
return 8;
return 11;
}
uint8_t get_clsag_fork()
@ -1812,11 +1812,13 @@ static uint64_t decodeRct(const rct::rctSig & rv, const crypto::key_derivation &
switch (rv.type)
{
case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof:
case rct::RCTTypeBulletproof:
case rct::RCTTypeBulletproof2:
case rct::RCTTypeCLSAG:
return rct::decodeRctSimple(rv, rct::sk2rct(scalar1), i, mask, hwdev);
case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
return rct::decodeRct(rv, rct::sk2rct(scalar1), i, mask, hwdev);
default:
LOG_ERROR("Unsupported rct type: " << rv.type);

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