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Bulletproof aggregated verification and tests

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Also constrains bulletproofs to simple rct, for simplicity
This commit is contained in:
moneromooo-monero 2018-03-30 20:29:42 +01:00
parent 126196b017
commit 2a8fcb421b
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GPG Key ID: 686F07454D6CEFC3
21 changed files with 844 additions and 174 deletions
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6
src/cryptonote_basic/cryptonote_boost_serialization.h
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@ -295,7 +295,7 @@ namespace boost
a & x.type; a & x.type;
if (x.type == rct::RCTTypeNull) if (x.type == rct::RCTTypeNull)
return; return;
if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeFullBulletproof && x.type != rct::RCTTypeSimple && x.type != rct::RCTTypeSimpleBulletproof) if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple && x.type != rct::RCTTypeBulletproof)
throw boost::archive::archive_exception(boost::archive::archive_exception::other_exception, "Unsupported rct type"); 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.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 // a & x.mixRing; mixRing is not serialized, as it can be reconstructed from the offsets
@ -323,7 +323,7 @@ namespace boost
a & x.type; a & x.type;
if (x.type == rct::RCTTypeNull) if (x.type == rct::RCTTypeNull)
return; return;
if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeFullBulletproof && x.type != rct::RCTTypeSimple && x.type != rct::RCTTypeSimpleBulletproof) if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple && x.type != rct::RCTTypeBulletproof)
throw boost::archive::archive_exception(boost::archive::archive_exception::other_exception, "Unsupported rct type"); 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.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 // a & x.mixRing; mixRing is not serialized, as it can be reconstructed from the offsets
@ -337,7 +337,7 @@ namespace boost
if (x.p.rangeSigs.empty()) if (x.p.rangeSigs.empty())
a & x.p.bulletproofs; a & x.p.bulletproofs;
a & x.p.MGs; a & x.p.MGs;
if (x.type == rct::RCTTypeSimpleBulletproof) if (x.type == rct::RCTTypeBulletproof)
a & x.p.pseudoOuts; a & x.p.pseudoOuts;
} }
} }

18
src/cryptonote_basic/cryptonote_format_utils.cpp
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@ -139,18 +139,26 @@ namespace cryptonote
if (!base_only) if (!base_only)
{ {
const bool bulletproof = rv.type == rct::RCTTypeFullBulletproof || rv.type == rct::RCTTypeSimpleBulletproof; const bool bulletproof = rct::is_rct_bulletproof(rv.type);
if (bulletproof) if (bulletproof)
{ {
if (rv.p.bulletproofs.size() != tx.vout.size()) if (rct::n_bulletproof_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)); LOG_PRINT_L1("Failed to parse transaction from blob, bad bulletproofs size in tx " << get_transaction_hash(tx));
return false; return false;
} }
for (size_t n = 0; n < rv.outPk.size(); ++n) size_t idx = 0;
for (size_t n = 0; n < rv.p.bulletproofs.size(); ++n)
{ {
rv.p.bulletproofs[n].V.resize(1); //rv.p.bulletproofs[n].V.resize(1);
rv.p.bulletproofs[n].V[0] = rv.outPk[n].mask; //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_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);
rv.p.bulletproofs[n].V.clear();
for (size_t i = 0; i < n_amounts; ++i)
rv.p.bulletproofs[n].V[i] = rv.outPk[idx++].mask;
} }
} }
} }

15
src/cryptonote_core/blockchain.cpp
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@ -2597,7 +2597,7 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
// from v8, allow bulletproofs // from v8, allow bulletproofs
if (hf_version < 8) { if (hf_version < 8) {
const bool bulletproof = tx.rct_signatures.type == rct::RCTTypeFullBulletproof || tx.rct_signatures.type == rct::RCTTypeSimpleBulletproof; const bool bulletproof = rct::is_rct_bulletproof(tx.rct_signatures.type);
if (bulletproof || !tx.rct_signatures.p.bulletproofs.empty()) if (bulletproof || !tx.rct_signatures.p.bulletproofs.empty())
{ {
MERROR("Bulletproofs are not allowed before v8"); MERROR("Bulletproofs are not allowed before v8");
@ -2631,7 +2631,7 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
rv.message = rct::hash2rct(tx_prefix_hash); rv.message = rct::hash2rct(tx_prefix_hash);
// mixRing - full and simple store it in opposite ways // mixRing - full and simple store it in opposite ways
if (rv.type == rct::RCTTypeFull || rv.type == rct::RCTTypeFullBulletproof) if (rv.type == rct::RCTTypeFull)
{ {
CHECK_AND_ASSERT_MES(!pubkeys.empty() && !pubkeys[0].empty(), false, "empty pubkeys"); CHECK_AND_ASSERT_MES(!pubkeys.empty() && !pubkeys[0].empty(), false, "empty pubkeys");
rv.mixRing.resize(pubkeys[0].size()); rv.mixRing.resize(pubkeys[0].size());
@ -2646,7 +2646,7 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
} }
} }
} }
else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeSimpleBulletproof) else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeBulletproof)
{ {
CHECK_AND_ASSERT_MES(!pubkeys.empty() && !pubkeys[0].empty(), false, "empty pubkeys"); CHECK_AND_ASSERT_MES(!pubkeys.empty() && !pubkeys[0].empty(), false, "empty pubkeys");
rv.mixRing.resize(pubkeys.size()); rv.mixRing.resize(pubkeys.size());
@ -2665,14 +2665,14 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
} }
// II // II
if (rv.type == rct::RCTTypeFull || rv.type == rct::RCTTypeFullBulletproof) if (rv.type == rct::RCTTypeFull)
{ {
rv.p.MGs.resize(1); rv.p.MGs.resize(1);
rv.p.MGs[0].II.resize(tx.vin.size()); rv.p.MGs[0].II.resize(tx.vin.size());
for (size_t n = 0; n < tx.vin.size(); ++n) for (size_t n = 0; n < tx.vin.size(); ++n)
rv.p.MGs[0].II[n] = rct::ki2rct(boost::get<txin_to_key>(tx.vin[n]).k_image); 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::RCTTypeSimpleBulletproof) else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeBulletproof)
{ {
CHECK_AND_ASSERT_MES(rv.p.MGs.size() == tx.vin.size(), false, "Bad MGs size"); CHECK_AND_ASSERT_MES(rv.p.MGs.size() == tx.vin.size(), false, "Bad MGs size");
for (size_t n = 0; n < tx.vin.size(); ++n) for (size_t n = 0; n < tx.vin.size(); ++n)
@ -2938,7 +2938,7 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
return false; return false;
} }
case rct::RCTTypeSimple: case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof: case rct::RCTTypeBulletproof:
{ {
// check all this, either reconstructed (so should really pass), or not // check all this, either reconstructed (so should really pass), or not
{ {
@ -2996,7 +2996,6 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
break; break;
} }
case rct::RCTTypeFull: case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
{ {
// check all this, either reconstructed (so should really pass), or not // check all this, either reconstructed (so should really pass), or not
{ {
@ -3061,7 +3060,7 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
} }
// for bulletproofs, check they're only multi-output after v8 // for bulletproofs, check they're only multi-output after v8
if (rv.type == rct::RCTTypeFullBulletproof || rv.type == rct::RCTTypeSimpleBulletproof) if (rct::is_rct_bulletproof(rv.type))
{ {
if (hf_version < 8) if (hf_version < 8)
{ {

186
src/cryptonote_core/cryptonote_core.cpp
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@ -692,26 +692,142 @@ namespace cryptonote
return false; 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 (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_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_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;
}
//-----------------------------------------------------------------------------------------------
void core::set_semantics_failed(const crypto::hash &tx_hash)
{
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to check tx " << tx_hash << " semantic, rejected");
bad_semantics_txes_lock.lock();
bad_semantics_txes[0].insert(tx_hash);
if (bad_semantics_txes[0].size() >= BAD_SEMANTICS_TXES_MAX_SIZE)
{
std::swap(bad_semantics_txes[0], bad_semantics_txes[1]);
bad_semantics_txes[0].clear();
}
bad_semantics_txes_lock.unlock();
}
//-----------------------------------------------------------------------------------------------
bool core::handle_incoming_tx_accumulated_batch(std::vector<tx_verification_batch_info> &tx_info, bool keeped_by_block)
{
bool ret = true;
if (keeped_by_block && get_blockchain_storage().is_within_compiled_block_hash_area()) if (keeped_by_block && get_blockchain_storage().is_within_compiled_block_hash_area())
{ {
MTRACE("Skipping semantics check for tx kept by block in embedded hash area"); MTRACE("Skipping semantics check for tx kept by block in embedded hash area");
} return true;
else if(!check_tx_semantic(tx, keeped_by_block))
{
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to check tx " << tx_hash << " semantic, rejected");
tvc.m_verifivation_failed = true;
bad_semantics_txes_lock.lock();
bad_semantics_txes[0].insert(tx_hash);
if (bad_semantics_txes[0].size() >= BAD_SEMANTICS_TXES_MAX_SIZE)
{
std::swap(bad_semantics_txes[0], bad_semantics_txes[1]);
bad_semantics_txes[0].clear();
}
bad_semantics_txes_lock.unlock();
return false;
} }
return true; std::vector<const rct::rctSig*> rvv;
for (size_t n = 0; n < tx_info.size(); ++n)
{
if (!check_tx_semantic(*tx_info[n].tx, keeped_by_block))
{
set_semantics_failed(tx_info[n].tx_hash);
tx_info[n].tvc.m_verifivation_failed = true;
tx_info[n].result = false;
continue;
}
if (tx_info[n].tx->version < 2)
continue;
const rct::rctSig &rv = tx_info[n].tx->rct_signatures;
switch (rv.type) {
case rct::RCTTypeNull:
// coinbase should not come here, so we reject for all other types
MERROR_VER("Unexpected Null rctSig type");
set_semantics_failed(tx_info[n].tx_hash);
tx_info[n].tvc.m_verifivation_failed = true;
tx_info[n].result = false;
break;
case rct::RCTTypeSimple:
if (!rct::verRctSemanticsSimple(rv))
{
MERROR_VER("rct signature semantics check failed");
set_semantics_failed(tx_info[n].tx_hash);
tx_info[n].tvc.m_verifivation_failed = true;
tx_info[n].result = false;
break;
}
break;
case rct::RCTTypeFull:
if (!rct::verRct(rv, true))
{
MERROR_VER("rct signature semantics check failed");
set_semantics_failed(tx_info[n].tx_hash);
tx_info[n].tvc.m_verifivation_failed = true;
tx_info[n].result = false;
break;
}
break;
case rct::RCTTypeBulletproof:
rvv.push_back(&rv); // delayed batch verification
break;
default:
MERROR_VER("Unknown rct type: " << rv.type);
set_semantics_failed(tx_info[n].tx_hash);
tx_info[n].tvc.m_verifivation_failed = true;
tx_info[n].result = false;
break;
}
}
if (!rvv.empty() && !rct::verRctSemanticsSimple(rvv))
{
LOG_PRINT_L1("One transaction among this group has bad semantics, verifying one at a time");
ret = false;
const bool assumed_bad = rvv.size() == 1; // if there's only one tx, it must be the bad one
for (size_t n = 0; n < tx_info.size(); ++n)
{
if (!tx_info[n].result)
continue;
if (tx_info[n].tx->rct_signatures.type != rct::RCTTypeBulletproof)
continue;
if (assumed_bad || !rct::verRctSemanticsSimple(tx_info[n].tx->rct_signatures))
{
set_semantics_failed(tx_info[n].tx_hash);
tx_info[n].tvc.m_verifivation_failed = true;
tx_info[n].result = false;
}
}
}
return ret;
} }
//----------------------------------------------------------------------------------------------- //-----------------------------------------------------------------------------------------------
bool core::handle_incoming_txs(const std::vector<blobdata>& tx_blobs, std::vector<tx_verification_context>& tvc, bool keeped_by_block, bool relayed, bool do_not_relay) bool core::handle_incoming_txs(const std::vector<blobdata>& tx_blobs, std::vector<tx_verification_context>& tvc, bool keeped_by_block, bool relayed, bool do_not_relay)
@ -769,6 +885,16 @@ namespace cryptonote
} }
waiter.wait(&tpool); waiter.wait(&tpool);
std::vector<tx_verification_batch_info> tx_info;
tx_info.reserve(tx_blobs.size());
for (size_t i = 0; i < tx_blobs.size(); i++) {
if (!results[i].res)
continue;
tx_info.push_back({&results[i].tx, results[i].hash, tvc[i], results[i].res});
}
if (!tx_info.empty())
handle_incoming_tx_accumulated_batch(tx_info, keeped_by_block);
bool ok = true; bool ok = true;
it = tx_blobs.begin(); it = tx_blobs.begin();
for (size_t i = 0; i < tx_blobs.size(); i++, ++it) { for (size_t i = 0; i < tx_blobs.size(); i++, ++it) {
@ -886,36 +1012,6 @@ namespace cryptonote
return false; return false;
} }
if (tx.version >= 2)
{
const rct::rctSig &rv = tx.rct_signatures;
switch (rv.type) {
case rct::RCTTypeNull:
// coinbase should not come here, so we reject for all other types
MERROR_VER("Unexpected Null rctSig type");
return false;
case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof:
if (!rct::verRctSemanticsSimple(rv))
{
MERROR_VER("rct signature semantics check failed");
return false;
}
break;
case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
if (!rct::verRct(rv, true))
{
MERROR_VER("rct signature semantics check failed");
return false;
}
break;
default:
MERROR_VER("Unknown rct type: " << rv.type);
return false;
}
}
return true; return true;
} }
//----------------------------------------------------------------------------------------------- //-----------------------------------------------------------------------------------------------

3
src/cryptonote_core/cryptonote_core.h
View File

@ -864,9 +864,12 @@ namespace cryptonote
* @return true if all the checks pass, otherwise false * @return true if all the checks pass, otherwise false
*/ */
bool check_tx_semantic(const transaction& tx, bool keeped_by_block) const; bool check_tx_semantic(const transaction& tx, bool keeped_by_block) const;
void set_semantics_failed(const crypto::hash &tx_hash);
bool handle_incoming_tx_pre(const blobdata& tx_blob, tx_verification_context& tvc, cryptonote::transaction &tx, crypto::hash &tx_hash, crypto::hash &tx_prefixt_hash, bool keeped_by_block, bool relayed, bool do_not_relay); bool handle_incoming_tx_pre(const blobdata& tx_blob, tx_verification_context& tvc, cryptonote::transaction &tx, crypto::hash &tx_hash, crypto::hash &tx_prefixt_hash, bool keeped_by_block, bool relayed, bool do_not_relay);
bool handle_incoming_tx_post(const blobdata& tx_blob, tx_verification_context& tvc, cryptonote::transaction &tx, crypto::hash &tx_hash, crypto::hash &tx_prefixt_hash, bool keeped_by_block, bool relayed, bool do_not_relay); bool handle_incoming_tx_post(const blobdata& tx_blob, tx_verification_context& tvc, cryptonote::transaction &tx, crypto::hash &tx_hash, crypto::hash &tx_prefixt_hash, bool keeped_by_block, bool relayed, bool do_not_relay);
struct tx_verification_batch_info { const cryptonote::transaction *tx; crypto::hash tx_hash; tx_verification_context &tvc; bool &result; };
bool handle_incoming_tx_accumulated_batch(std::vector<tx_verification_batch_info> &tx_info, bool keeped_by_block);
/** /**
* @copydoc miner::on_block_chain_update * @copydoc miner::on_block_chain_update

4
src/cryptonote_core/cryptonote_tx_utils.cpp
View File

@ -491,7 +491,7 @@ namespace cryptonote
// the non-simple version is slightly smaller, but assumes all real inputs // the non-simple version is slightly smaller, but assumes all real inputs
// are on the same index, so can only be used if there just one ring. // are on the same index, so can only be used if there just one ring.
bool use_simple_rct = sources.size() > 1; bool use_simple_rct = sources.size() > 1 || range_proof_type == rct::RangeProofMultiOutputBulletproof || range_proof_type == rct::RangeProofBulletproof;
if (!use_simple_rct) if (!use_simple_rct)
{ {
@ -591,7 +591,7 @@ namespace cryptonote
if (use_simple_rct) if (use_simple_rct)
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, range_proof_type, hwdev); 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, range_proof_type, hwdev);
else 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, range_proof_type, hwdev); // same index assumption 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, hwdev); // same index assumption
memwipe(inSk.data(), inSk.size() * sizeof(rct::ctkey)); memwipe(inSk.data(), inSk.size() * sizeof(rct::ctkey));
CHECK_AND_ASSERT_MES(tx.vout.size() == outSk.size(), false, "outSk size does not match vout"); CHECK_AND_ASSERT_MES(tx.vout.size() == outSk.size(), false, "outSk size does not match vout");

2
src/device/device_ledger.cpp
View File

@ -1354,7 +1354,7 @@ namespace hw {
this->exchange(); this->exchange();
//pseudoOuts //pseudoOuts
if ((type == rct::RCTTypeSimple) || (type == rct::RCTTypeSimpleBulletproof)) { if ((type == rct::RCTTypeSimple) || (type == rct::RCTTypeBulletproof)) {
for ( i = 0; i < inputs_size; i++) { for ( i = 0; i < inputs_size; i++) {
offset = set_command_header(INS_VALIDATE, 0x01, i+2); offset = set_command_header(INS_VALIDATE, 0x01, i+2);
//options //options

133
src/ringct/rctSigs.cpp
View File

@ -390,7 +390,7 @@ namespace rct {
hashes.push_back(hash2rct(h)); hashes.push_back(hash2rct(h));
keyV kv; keyV kv;
if (rv.type == RCTTypeSimpleBulletproof || rv.type == RCTTypeFullBulletproof) if (rv.type == RCTTypeBulletproof)
{ {
kv.reserve((6*2+9) * rv.p.bulletproofs.size()); kv.reserve((6*2+9) * rv.p.bulletproofs.size());
for (const auto &p: rv.p.bulletproofs) for (const auto &p: rv.p.bulletproofs)
@ -651,8 +651,7 @@ namespace rct {
// must know the destination private key to find the correct amount, else will return a random number // must know the destination private key to find the correct amount, else will return a random number
// Note: For txn fees, the last index in the amounts vector should contain that // 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 // 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, RangeProofType range_proof_type, hw::device &hwdev) { 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, hw::device &hwdev) {
const bool bulletproof = 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(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(amount_keys.size() == destinations.size(), "Different number of amount_keys/destinations");
CHECK_AND_ASSERT_THROW_MES(index < mixRing.size(), "Bad index into mixRing"); CHECK_AND_ASSERT_THROW_MES(index < mixRing.size(), "Bad index into mixRing");
@ -662,11 +661,10 @@ namespace rct {
CHECK_AND_ASSERT_THROW_MES((kLRki && msout) || (!kLRki && !msout), "Only one of kLRki/msout is present"); CHECK_AND_ASSERT_THROW_MES((kLRki && msout) || (!kLRki && !msout), "Only one of kLRki/msout is present");
rctSig rv; rctSig rv;
rv.type = bulletproof ? RCTTypeFullBulletproof : RCTTypeFull; rv.type = RCTTypeFull;
rv.message = message; rv.message = message;
rv.outPk.resize(destinations.size()); rv.outPk.resize(destinations.size());
if (!bulletproof) rv.p.rangeSigs.resize(destinations.size());
rv.p.rangeSigs.resize(destinations.size());
rv.ecdhInfo.resize(destinations.size()); rv.ecdhInfo.resize(destinations.size());
size_t i = 0; size_t i = 0;
@ -675,46 +673,11 @@ namespace rct {
for (i = 0; i < destinations.size(); i++) { for (i = 0; i < destinations.size(); i++) {
//add destination to sig //add destination to sig
rv.outPk[i].dest = copy(destinations[i]); rv.outPk[i].dest = copy(destinations[i]);
//compute range proof (bulletproofs are done later) //compute range proof
if (!bulletproof) rv.p.rangeSigs[i] = proveRange(rv.outPk[i].mask, outSk[i].mask, amounts[i]);
{
rv.p.rangeSigs[i] = proveRange(rv.outPk[i].mask, outSk[i].mask, amounts[i]);
#ifdef DBG #ifdef DBG
CHECK_AND_ASSERT_THROW_MES(verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]), "verRange failed on newly created proof"); CHECK_AND_ASSERT_THROW_MES(verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]), "verRange failed on newly created proof");
#endif #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 (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(C, masks, batch_amounts));
#ifdef DBG
CHECK_AND_ASSERT_THROW_MES(verBulletproof(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 //mask amount and mask
rv.ecdhInfo[i].mask = copy(outSk[i].mask); rv.ecdhInfo[i].mask = copy(outSk[i].mask);
rv.ecdhInfo[i].amount = d2h(amounts[i]); rv.ecdhInfo[i].amount = d2h(amounts[i]);
@ -744,7 +707,7 @@ namespace rct {
ctkeyM mixRing; ctkeyM mixRing;
ctkeyV outSk; ctkeyV outSk;
tie(mixRing, index) = populateFromBlockchain(inPk, mixin); tie(mixRing, index) = populateFromBlockchain(inPk, mixin);
return genRct(message, inSk, destinations, amounts, mixRing, amount_keys, kLRki, msout, index, outSk, RangeProofBorromean, hwdev); return genRct(message, inSk, destinations, amounts, mixRing, amount_keys, kLRki, msout, index, outSk, hwdev);
} }
//RCT simple //RCT simple
@ -766,35 +729,61 @@ namespace rct {
} }
rctSig rv; rctSig rv;
rv.type = bulletproof ? RCTTypeSimpleBulletproof : RCTTypeSimple; rv.type = bulletproof ? RCTTypeBulletproof : RCTTypeSimple;
rv.message = message; rv.message = message;
rv.outPk.resize(destinations.size()); rv.outPk.resize(destinations.size());
if (bulletproof) if (!bulletproof)
rv.p.bulletproofs.resize(destinations.size());
else
rv.p.rangeSigs.resize(destinations.size()); rv.p.rangeSigs.resize(destinations.size());
rv.ecdhInfo.resize(destinations.size()); rv.ecdhInfo.resize(destinations.size());
size_t i; size_t i;
keyV masks(destinations.size()); //sk mask.. keyV masks(destinations.size()); //sk mask..
outSk.resize(destinations.size()); outSk.resize(destinations.size());
key sumout = zero();
for (i = 0; i < destinations.size(); i++) { for (i = 0; i < destinations.size(); i++) {
//add destination to sig //add destination to sig
rv.outPk[i].dest = copy(destinations[i]); rv.outPk[i].dest = copy(destinations[i]);
//compute range proof //compute range proof
if (bulletproof) if (!bulletproof)
rv.p.bulletproofs[i] = proveRangeBulletproof(rv.outPk[i].mask, outSk[i].mask, outamounts[i]);
else
rv.p.rangeSigs[i] = proveRange(rv.outPk[i].mask, outSk[i].mask, outamounts[i]); rv.p.rangeSigs[i] = proveRange(rv.outPk[i].mask, outSk[i].mask, outamounts[i]);
#ifdef DBG #ifdef DBG
if (bulletproof) if (!bulletproof)
CHECK_AND_ASSERT_THROW_MES(verBulletproof(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"); CHECK_AND_ASSERT_THROW_MES(verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]), "verRange failed on newly created proof");
#endif #endif
}
rv.p.bulletproofs.clear();
if (bulletproof)
{
std::vector<uint64_t> proof_amounts;
size_t n_amounts = outamounts.size();
size_t amounts_proved = 0;
while (amounts_proved < n_amounts)
{
size_t batch_size = 1;
if (range_proof_type == RangeProofMultiOutputBulletproof)
while (batch_size * 2 + amounts_proved <= n_amounts && batch_size * 2 <= 16)
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] = outamounts[i + amounts_proved];
rv.p.bulletproofs.push_back(proveRangeBulletproof(C, masks, batch_amounts));
#ifdef DBG
CHECK_AND_ASSERT_THROW_MES(verBulletproof(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;
}
}
key sumout = zero();
for (i = 0; i < outSk.size(); ++i)
{
sc_add(sumout.bytes, outSk[i].mask.bytes, sumout.bytes); sc_add(sumout.bytes, outSk[i].mask.bytes, sumout.bytes);
//mask amount and mask //mask amount and mask
@ -857,14 +846,10 @@ namespace rct {
// must know the destination private key to find the correct amount, else will return a random number // must know the destination private key to find the correct amount, else will return a random number
bool verRct(const rctSig & rv, bool semantics) { bool verRct(const rctSig & rv, bool semantics) {
PERF_TIMER(verRct); PERF_TIMER(verRct);
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeFullBulletproof, false, "verRct called on non-full rctSig"); CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull, false, "verRct called on non-full rctSig");
const bool bulletproof = is_rct_bulletproof(rv.type);
if (semantics) if (semantics)
{ {
if (bulletproof) CHECK_AND_ASSERT_MES(rv.outPk.size() == rv.p.rangeSigs.size(), false, "Mismatched sizes of outPk and rv.p.rangeSigs");
CHECK_AND_ASSERT_MES(rv.outPk.size() == n_bulletproof_amounts(rv.p.bulletproofs), false, "Mismatched sizes of outPk and bulletproofs");
else
CHECK_AND_ASSERT_MES(rv.outPk.size() == rv.p.rangeSigs.size(), false, "Mismatched sizes of outPk and rv.p.rangeSigs");
CHECK_AND_ASSERT_MES(rv.outPk.size() == rv.ecdhInfo.size(), false, "Mismatched sizes of outPk and rv.ecdhInfo"); 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"); CHECK_AND_ASSERT_MES(rv.p.MGs.size() == 1, false, "full rctSig has not one MG");
} }
@ -879,14 +864,10 @@ namespace rct {
if (semantics) { if (semantics) {
tools::threadpool& tpool = tools::threadpool::getInstance(); tools::threadpool& tpool = tools::threadpool::getInstance();
tools::threadpool::waiter waiter; tools::threadpool::waiter waiter;
std::deque<bool> results(bulletproof ? rv.p.bulletproofs.size() : rv.outPk.size(), false); std::deque<bool> results(rv.outPk.size(), false);
DP("range proofs verified?"); DP("range proofs verified?");
if (bulletproof) for (size_t i = 0; i < rv.outPk.size(); i++)
for (size_t i = 0; i < rv.p.bulletproofs.size(); i++) tpool.submit(&waiter, [&, i] { results[i] = verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]); });
tpool.submit(&waiter, [&, i] { results[i] = verBulletproof(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]); });
waiter.wait(&tpool); waiter.wait(&tpool);
for (size_t i = 0; i < results.size(); ++i) { for (size_t i = 0; i < results.size(); ++i) {
@ -940,7 +921,7 @@ namespace rct {
{ {
CHECK_AND_ASSERT_MES(rvp, false, "rctSig pointer is NULL"); CHECK_AND_ASSERT_MES(rvp, false, "rctSig pointer is NULL");
const rctSig &rv = *rvp; const rctSig &rv = *rvp;
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeSimpleBulletproof, false, "verRctSemanticsSimple called on non simple rctSig"); CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof, false, "verRctSemanticsSimple called on non simple rctSig");
const bool bulletproof = is_rct_bulletproof(rv.type); const bool bulletproof = is_rct_bulletproof(rv.type);
if (bulletproof) if (bulletproof)
{ {
@ -1041,7 +1022,7 @@ namespace rct {
{ {
PERF_TIMER(verRctNonSemanticsSimple); PERF_TIMER(verRctNonSemanticsSimple);
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeSimpleBulletproof, false, "verRctNonSemanticsSimple called on non simple rctSig"); CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof, false, "verRctNonSemanticsSimple called on non simple rctSig");
const bool bulletproof = is_rct_bulletproof(rv.type); const bool bulletproof = is_rct_bulletproof(rv.type);
// semantics check is early, and mixRing/MGs aren't resolved yet // semantics check is early, and mixRing/MGs aren't resolved yet
if (bulletproof) if (bulletproof)
@ -1101,7 +1082,7 @@ namespace rct {
// uses the attached ecdh info to find the amounts represented by each output commitment // 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 // 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) { xmr_amount decodeRct(const rctSig & rv, const key & sk, unsigned int i, key & mask, hw::device &hwdev) {
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeFullBulletproof, false, "decodeRct called on non-full rctSig"); CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull, false, "decodeRct called on non-full rctSig");
CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index"); 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"); CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.ecdhInfo.size(), "Mismatched sizes of rv.outPk and rv.ecdhInfo");
@ -1129,7 +1110,7 @@ namespace rct {
} }
xmr_amount decodeRctSimple(const rctSig & rv, const key & sk, unsigned int i, key &mask, hw::device &hwdev) { 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 == RCTTypeSimpleBulletproof, false, "decodeRct called on non simple rctSig"); CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof, false, "decodeRct called on non simple rctSig");
CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index"); 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"); CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.ecdhInfo.size(), "Mismatched sizes of rv.outPk and rv.ecdhInfo");
@ -1157,12 +1138,12 @@ namespace rct {
} }
bool signMultisig(rctSig &rv, const std::vector<unsigned int> &indices, const keyV &k, const multisig_out &msout, const key &secret_key) { bool signMultisig(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 == RCTTypeFullBulletproof || rv.type == RCTTypeSimpleBulletproof, CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof,
false, "unsupported rct type"); false, "unsupported rct type");
CHECK_AND_ASSERT_MES(indices.size() == k.size(), false, "Mismatched k/indices sizes"); 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() == 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(k.size() == msout.c.size(), false, "Mismatched k/msout.c size");
if (rv.type == RCTTypeFull || rv.type == RCTTypeFullBulletproof) if (rv.type == RCTTypeFull)
{ {
CHECK_AND_ASSERT_MES(rv.p.MGs.size() == 1, false, "MGs not a single element"); CHECK_AND_ASSERT_MES(rv.p.MGs.size() == 1, false, "MGs not a single element");
} }

2
src/ringct/rctSigs.h
View File

@ -119,7 +119,7 @@ namespace rct {
//decodeRct: (c.f. https://eprint.iacr.org/2015/1098 section 5.1.1) //decodeRct: (c.f. https://eprint.iacr.org/2015/1098 section 5.1.1)
// uses the attached ecdh info to find the amounts represented by each output commitment // 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 // must know the destination private key to find the correct amount, else will return a random number
rctSig genRct(const key &message, const ctkeyV & inSk, const keyV & destinations, const std::vector<xmr_amount> & amounts, const ctkeyM &mixRing, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, unsigned int index, ctkeyV &outSk, RangeProofType range_proof_type, hw::device &hwdev); rctSig genRct(const key &message, const ctkeyV & inSk, const keyV & destinations, const std::vector<xmr_amount> & amounts, const ctkeyM &mixRing, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, unsigned int index, ctkeyV &outSk, hw::device &hwdev);
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, hw::device &hwdev); 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, 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, 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, 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, RangeProofType range_proof_type, 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, RangeProofType range_proof_type, hw::device &hwdev);

19
src/ringct/rctTypes.cpp
View File

@ -28,6 +28,7 @@
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "misc_log_ex.h"
#include "rctTypes.h" #include "rctTypes.h"
using namespace crypto; using namespace crypto;
using namespace std; using namespace std;
@ -214,7 +215,7 @@ namespace rct {
switch (type) switch (type)
{ {
case RCTTypeSimple: case RCTTypeSimple:
case RCTTypeSimpleBulletproof: case RCTTypeBulletproof:
return true; return true;
default: default:
return false; return false;
@ -225,19 +226,29 @@ namespace rct {
{ {
switch (type) switch (type)
{ {
case RCTTypeSimpleBulletproof: case RCTTypeBulletproof:
case RCTTypeFullBulletproof:
return true; return true;
default: default:
return false; return false;
} }
} }
size_t n_bulletproof_amounts(const Bulletproof &proof)
{
CHECK_AND_ASSERT_MES(proof.L.size() >= 6, 0, "Invalid bulletproof L size");
return 1 << (proof.L.size() - 6);
}
size_t n_bulletproof_amounts(const std::vector<Bulletproof> &proofs) size_t n_bulletproof_amounts(const std::vector<Bulletproof> &proofs)
{ {
size_t n = 0; size_t n = 0;
for (const Bulletproof &proof: proofs) for (const Bulletproof &proof: proofs)
n += proof.V.size(); {
size_t n2 = n_bulletproof_amounts(proof);
if (n2 == 0)
return 0;
n += n2;
}
return n; return n;
} }

20
src/ringct/rctTypes.h
View File

@ -213,6 +213,7 @@ namespace rct {
END_SERIALIZE() END_SERIALIZE()
}; };
size_t n_bulletproof_amounts(const Bulletproof &proof);
size_t n_bulletproof_amounts(const std::vector<Bulletproof> &proofs); size_t n_bulletproof_amounts(const std::vector<Bulletproof> &proofs);
//A container to hold all signatures necessary for RingCT //A container to hold all signatures necessary for RingCT
@ -226,8 +227,7 @@ namespace rct {
RCTTypeNull = 0, RCTTypeNull = 0,
RCTTypeFull = 1, RCTTypeFull = 1,
RCTTypeSimple = 2, RCTTypeSimple = 2,
RCTTypeFullBulletproof = 3, RCTTypeBulletproof = 3,
RCTTypeSimpleBulletproof = 4,
}; };
enum RangeProofType { RangeProofBorromean, RangeProofBulletproof, RangeProofMultiOutputBulletproof }; enum RangeProofType { RangeProofBorromean, RangeProofBulletproof, RangeProofMultiOutputBulletproof };
struct rctSigBase { struct rctSigBase {
@ -246,7 +246,7 @@ namespace rct {
FIELD(type) FIELD(type)
if (type == RCTTypeNull) if (type == RCTTypeNull)
return true; return true;
if (type != RCTTypeFull && type != RCTTypeFullBulletproof && type != RCTTypeSimple && type != RCTTypeSimpleBulletproof) if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof)
return false; return false;
VARINT_FIELD(txnFee) VARINT_FIELD(txnFee)
// inputs/outputs not saved, only here for serialization help // inputs/outputs not saved, only here for serialization help
@ -307,9 +307,9 @@ namespace rct {
{ {
if (type == RCTTypeNull) if (type == RCTTypeNull)
return true; return true;
if (type != RCTTypeFull && type != RCTTypeFullBulletproof && type != RCTTypeSimple && type != RCTTypeSimpleBulletproof) if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof)
return false; return false;
if (type == RCTTypeSimpleBulletproof || type == RCTTypeFullBulletproof) if (type == RCTTypeBulletproof)
{ {
ar.tag("bp"); ar.tag("bp");
ar.begin_array(); ar.begin_array();
@ -348,7 +348,7 @@ namespace rct {
ar.begin_array(); ar.begin_array();
// we keep a byte for size of MGs, because we don't know whether this is // 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 // a simple or full rct signature, and it's starting to annoy the hell out of me
size_t mg_elements = (type == RCTTypeSimple || type == RCTTypeSimpleBulletproof) ? inputs : 1; size_t mg_elements = (type == RCTTypeSimple || type == RCTTypeBulletproof) ? inputs : 1;
PREPARE_CUSTOM_VECTOR_SERIALIZATION(mg_elements, MGs); PREPARE_CUSTOM_VECTOR_SERIALIZATION(mg_elements, MGs);
if (MGs.size() != mg_elements) if (MGs.size() != mg_elements)
return false; return false;
@ -366,7 +366,7 @@ namespace rct {
for (size_t j = 0; j < mixin + 1; ++j) for (size_t j = 0; j < mixin + 1; ++j)
{ {
ar.begin_array(); ar.begin_array();
size_t mg_ss2_elements = ((type == RCTTypeSimple || type == RCTTypeSimpleBulletproof) ? 1 : inputs) + 1; size_t mg_ss2_elements = ((type == RCTTypeSimple || type == RCTTypeBulletproof) ? 1 : inputs) + 1;
PREPARE_CUSTOM_VECTOR_SERIALIZATION(mg_ss2_elements, MGs[i].ss[j]); PREPARE_CUSTOM_VECTOR_SERIALIZATION(mg_ss2_elements, MGs[i].ss[j]);
if (MGs[i].ss[j].size() != mg_ss2_elements) if (MGs[i].ss[j].size() != mg_ss2_elements)
return false; return false;
@ -392,7 +392,7 @@ namespace rct {
ar.delimit_array(); ar.delimit_array();
} }
ar.end_array(); ar.end_array();
if (type == RCTTypeSimpleBulletproof) if (type == RCTTypeBulletproof)
{ {
ar.tag("pseudoOuts"); ar.tag("pseudoOuts");
ar.begin_array(); ar.begin_array();
@ -416,12 +416,12 @@ namespace rct {
keyV& get_pseudo_outs() keyV& get_pseudo_outs()
{ {
return type == RCTTypeSimpleBulletproof ? p.pseudoOuts : pseudoOuts; return type == RCTTypeBulletproof ? p.pseudoOuts : pseudoOuts;
} }
keyV const& get_pseudo_outs() const keyV const& get_pseudo_outs() const
{ {
return type == RCTTypeSimpleBulletproof ? p.pseudoOuts : pseudoOuts; return type == RCTTypeBulletproof ? p.pseudoOuts : pseudoOuts;
} }
}; };

3
src/wallet/wallet2.cpp
View File

@ -1142,10 +1142,9 @@ static uint64_t decodeRct(const rct::rctSig & rv, const crypto::key_derivation &
switch (rv.type) switch (rv.type)
{ {
case rct::RCTTypeSimple: case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof: case rct::RCTTypeBulletproof:
return rct::decodeRctSimple(rv, rct::sk2rct(scalar1), i, mask, hwdev); return rct::decodeRctSimple(rv, rct::sk2rct(scalar1), i, mask, hwdev);
case rct::RCTTypeFull: case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
return rct::decodeRct(rv, rct::sk2rct(scalar1), i, mask, hwdev); return rct::decodeRct(rv, rct::sk2rct(scalar1), i, mask, hwdev);
default: default:
LOG_ERROR("Unsupported rct type: " << rv.type); LOG_ERROR("Unsupported rct type: " << rv.type);

7
tests/core_tests/CMakeLists.txt
View File

@ -41,7 +41,8 @@ set(core_tests_sources
transaction_tests.cpp transaction_tests.cpp
tx_validation.cpp tx_validation.cpp
v2_tests.cpp v2_tests.cpp
rct.cpp) rct.cpp
bulletproofs.cpp)
set(core_tests_headers set(core_tests_headers
block_reward.h block_reward.h
@ -58,7 +59,8 @@ set(core_tests_headers
transaction_tests.h transaction_tests.h
tx_validation.h tx_validation.h
v2_tests.h v2_tests.h
rct.h) rct.h
bulletproofs.h)
add_executable(core_tests add_executable(core_tests
${core_tests_sources} ${core_tests_sources}
@ -73,6 +75,7 @@ target_link_libraries(core_tests
device device
${CMAKE_THREAD_LIBS_INIT} ${CMAKE_THREAD_LIBS_INIT}
${EXTRA_LIBRARIES}) ${EXTRA_LIBRARIES})
enable_stack_trace(core_tests)
set_property(TARGET core_tests set_property(TARGET core_tests
PROPERTY PROPERTY
FOLDER "tests") FOLDER "tests")

339
tests/core_tests/bulletproofs.cpp Normal file
View File

@ -0,0 +1,339 @@
// Copyright (c) 2014-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#include "ringct/rctSigs.h"
#include "ringct/bulletproofs.h"
#include "chaingen.h"
#include "bulletproofs.h"
#include "device/device.hpp"
using namespace epee;
using namespace crypto;
using namespace cryptonote;
//----------------------------------------------------------------------------------------------------------------------
// Tests
bool gen_bp_tx_validation_base::generate_with(std::vector<test_event_entry>& events,
const int *out_idx, int mixin, size_t n_txes, const uint64_t *amounts_paid, bool valid, const bool *multi_out,
const std::function<bool(std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations, size_t tx_idx)> &pre_tx,
const std::function<bool(transaction &tx, size_t tx_idx)> &post_tx) const
{
uint64_t ts_start = 1338224400;
GENERATE_ACCOUNT(miner_account);
MAKE_GENESIS_BLOCK(events, blk_0, miner_account, ts_start);
// create 8 miner accounts, and have them mine the next 8 blocks
cryptonote::account_base miner_accounts[8];
const cryptonote::block *prev_block = &blk_0;
cryptonote::block blocks[8 + CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW];
for (size_t n = 0; n < 8; ++n) {
miner_accounts[n].generate();
CHECK_AND_ASSERT_MES(generator.construct_block_manually(blocks[n], *prev_block, miner_accounts[n],
test_generator::bf_major_ver | test_generator::bf_minor_ver | test_generator::bf_timestamp | test_generator::bf_hf_version,
2, 2, prev_block->timestamp + DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN * 2, // v2 has blocks twice as long
crypto::hash(), 0, transaction(), std::vector<crypto::hash>(), 0, 0, 2),
false, "Failed to generate block");
events.push_back(blocks[n]);
prev_block = blocks + n;
LOG_PRINT_L0("Initial miner tx " << n << ": " << obj_to_json_str(blocks[n].miner_tx));
}
// rewind
cryptonote::block blk_r, blk_last;
{
blk_last = blocks[7];
for (size_t i = 0; i < CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW; ++i)
{
CHECK_AND_ASSERT_MES(generator.construct_block_manually(blocks[8+i], blk_last, miner_account,
test_generator::bf_major_ver | test_generator::bf_minor_ver | test_generator::bf_timestamp | test_generator::bf_hf_version,
2, 2, blk_last.timestamp + DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN * 2, // v2 has blocks twice as long
crypto::hash(), 0, transaction(), std::vector<crypto::hash>(), 0, 0, 2),
false, "Failed to generate block");
events.push_back(blocks[8+i]);
blk_last = blocks[8+i];
}
blk_r = blk_last;
}
// create 4 txes from these miners in another block, to generate some rct outputs
std::vector<transaction> rct_txes;
cryptonote::block blk_txes;
std::vector<crypto::hash> starting_rct_tx_hashes;
static const uint64_t input_amounts_available[] = {5000000000000, 30000000000000, 100000000000, 80000000000};
for (size_t n = 0; n < n_txes; ++n)
{
std::vector<tx_source_entry> sources;
sources.resize(1);
tx_source_entry& src = sources.back();
const uint64_t needed_amount = input_amounts_available[n];
src.amount = input_amounts_available[n];
size_t real_index_in_tx = 0;
for (size_t m = 0; m < 7; ++m) {
size_t index_in_tx = 0;
for (size_t i = 0; i < blocks[m].miner_tx.vout.size(); ++i)
if (blocks[m].miner_tx.vout[i].amount == needed_amount)
index_in_tx = i;
CHECK_AND_ASSERT_MES(blocks[m].miner_tx.vout[index_in_tx].amount == needed_amount, false, "Expected amount not found");
src.push_output(m, boost::get<txout_to_key>(blocks[m].miner_tx.vout[index_in_tx].target).key, src.amount);
if (m == n)
real_index_in_tx = index_in_tx;
}
src.real_out_tx_key = cryptonote::get_tx_pub_key_from_extra(blocks[n].miner_tx);
src.real_output = n;
src.real_output_in_tx_index = real_index_in_tx;
src.mask = rct::identity();
src.rct = false;
//fill outputs entry
tx_destination_entry td;
td.addr = miner_accounts[n].get_keys().m_account_address;
std::vector<tx_destination_entry> destinations;
for (int o = 0; amounts_paid[o] != (uint64_t)-1; ++o)
{
td.amount = amounts_paid[o];
destinations.push_back(td);
}
if (pre_tx && !pre_tx(sources, destinations, n))
{
MDEBUG("pre_tx returned failure");
return false;
}
crypto::secret_key tx_key;
std::vector<crypto::secret_key> additional_tx_keys;
std::unordered_map<crypto::public_key, cryptonote::subaddress_index> subaddresses;
subaddresses[miner_accounts[n].get_keys().m_account_address.m_spend_public_key] = {0,0};
rct_txes.resize(rct_txes.size() + 1);
bool r = construct_tx_and_get_tx_key(miner_accounts[n].get_keys(), subaddresses, sources, destinations, cryptonote::account_public_address{}, std::vector<uint8_t>(), rct_txes.back(), 0, tx_key, additional_tx_keys, true, multi_out[n] ? rct::RangeProofMultiOutputBulletproof : rct::RangeProofBulletproof);
CHECK_AND_ASSERT_MES(r, false, "failed to construct transaction");
if (post_tx && !post_tx(rct_txes.back(), n))
{
MDEBUG("post_tx returned failure");
return false;
}
//events.push_back(rct_txes.back());
starting_rct_tx_hashes.push_back(get_transaction_hash(rct_txes.back()));
LOG_PRINT_L0("Test tx: " << obj_to_json_str(rct_txes.back()));
for (int o = 0; amounts_paid[o] != (uint64_t)-1; ++o)
{
crypto::key_derivation derivation;
bool r = crypto::generate_key_derivation(destinations[o].addr.m_view_public_key, tx_key, derivation);
CHECK_AND_ASSERT_MES(r, false, "Failed to generate key derivation");
crypto::secret_key amount_key;
crypto::derivation_to_scalar(derivation, o, amount_key);
rct::key rct_tx_mask;
if (rct_txes.back().rct_signatures.type == rct::RCTTypeSimple || rct_txes.back().rct_signatures.type == rct::RCTTypeBulletproof)
rct::decodeRctSimple(rct_txes.back().rct_signatures, rct::sk2rct(amount_key), o, rct_tx_mask, hw::get_device("default"));
else
rct::decodeRct(rct_txes.back().rct_signatures, rct::sk2rct(amount_key), o, rct_tx_mask, hw::get_device("default"));
}
while (amounts_paid[0] != (size_t)-1)
++amounts_paid;
++amounts_paid;
}
if (!valid)
DO_CALLBACK(events, "mark_invalid_tx");
events.push_back(rct_txes);
CHECK_AND_ASSERT_MES(generator.construct_block_manually(blk_txes, blk_last, miner_account,
test_generator::bf_major_ver | test_generator::bf_minor_ver | test_generator::bf_timestamp | test_generator::bf_tx_hashes | test_generator::bf_hf_version | test_generator::bf_max_outs,
8, 8, blk_last.timestamp + DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN * 2, // v2 has blocks twice as long
crypto::hash(), 0, transaction(), starting_rct_tx_hashes, 0, 6, 8),
false, "Failed to generate block");
if (!valid)
DO_CALLBACK(events, "mark_invalid_block");
events.push_back(blk_txes);
blk_last = blk_txes;
return true;
}
bool gen_bp_tx_validation_base::check_bp(const cryptonote::transaction &tx, size_t tx_idx, const size_t *sizes, const char *context) const
{
DEFINE_TESTS_ERROR_CONTEXT(context);
CHECK_TEST_CONDITION(tx.version >= 2);
CHECK_TEST_CONDITION(rct::is_rct_bulletproof(tx.rct_signatures.type));
size_t n_sizes = 0, n_amounts = 0;
for (size_t n = 0; n < tx_idx; ++n)
{
while (sizes[0] != (size_t)-1)
++sizes;
++sizes;
}
while (sizes[n_sizes] != (size_t)-1)
n_amounts += sizes[n_sizes++];
CHECK_TEST_CONDITION(tx.rct_signatures.p.bulletproofs.size() == n_sizes);
CHECK_TEST_CONDITION(rct::n_bulletproof_amounts(tx.rct_signatures.p.bulletproofs) == n_amounts);
for (size_t n = 0; n < n_sizes; ++n)
CHECK_TEST_CONDITION(rct::n_bulletproof_amounts(tx.rct_signatures.p.bulletproofs[n]) == sizes[n]);
return true;
}
bool gen_bp_tx_valid_1::generate(std::vector<test_event_entry>& events) const
{
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {10000, (uint64_t)-1};
const size_t bp_sizes[] = {1, (size_t)-1};
const bool multi_out[] = {false};
return generate_with(events, out_idx, mixin, 1, amounts_paid, true, multi_out, NULL, [&](const cryptonote::transaction &tx, size_t tx_idx){ return check_bp(tx, tx_idx, bp_sizes, "gen_bp_tx_valid_1"); });
}
bool gen_bp_tx_valid_1_1::generate(std::vector<test_event_entry>& events) const
{
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {5000, 5000, (uint64_t)-1};
const size_t bp_sizes[] = {1, 1, (size_t)-1};
const bool multi_out[] = {false};
return generate_with(events, out_idx, mixin, 1, amounts_paid, true, multi_out, NULL, [&](const cryptonote::transaction &tx, size_t tx_idx){ return check_bp(tx, tx_idx, bp_sizes, "gen_bp_tx_valid_1_1"); });
}
bool gen_bp_tx_valid_2::generate(std::vector<test_event_entry>& events) const
{
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {5000, 5000, (uint64_t)-1};
const size_t bp_sizes[] = {2, (size_t)-1};
const bool multi_out[] = {true};
return generate_with(events, out_idx, mixin, 1, amounts_paid, true, multi_out, NULL, [&](const cryptonote::transaction &tx, size_t tx_idx){ return check_bp(tx, tx_idx, bp_sizes, "gen_bp_tx_valid_2"); });
}
bool gen_bp_tx_valid_4_2_1::generate(std::vector<test_event_entry>& events) const
{
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {1000, 1000, 1000, 1000, 1000, 1000, 1000, (uint64_t)-1};
const size_t bp_sizes[] = {4, 2, 1, (size_t)-1};
const bool multi_out[] = {true};
return generate_with(events, out_idx, mixin, 1, amounts_paid, true, multi_out, NULL, [&](const cryptonote::transaction &tx, size_t tx_idx){ return check_bp(tx, tx_idx, bp_sizes, "gen_bp_tx_valid_4_2_1"); });
}
bool gen_bp_tx_valid_16_16::generate(std::vector<test_event_entry>& events) const
{
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, (uint64_t)-1};
const size_t bp_sizes[] = {16, 16, (size_t)-1};
const bool multi_out[] = {true};
return generate_with(events, out_idx, mixin, 1, amounts_paid, true, multi_out, NULL, [&](const cryptonote::transaction &tx, size_t tx_idx){ return check_bp(tx, tx_idx, bp_sizes, "gen_bp_tx_valid_16_16"); });
}
bool gen_bp_txs_valid_2_and_2::generate(std::vector<test_event_entry>& events) const
{
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {1000, 1000, (size_t)-1, 1000, 1000, (uint64_t)-1};
const size_t bp_sizes[] = {2, (size_t)-1, 2, (size_t)-1};
const bool multi_out[] = {true};
return generate_with(events, out_idx, mixin, 2, amounts_paid, true, multi_out, NULL, [&](const cryptonote::transaction &tx, size_t tx_idx){ return check_bp(tx, tx_idx, bp_sizes, "gen_bp_txs_valid_2_2"); });
}
bool gen_bp_txs_valid_1_1_and_8_2_and_16_16_1::generate(std::vector<test_event_entry>& events) const
{
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {1000, 1000, (uint64_t)-1, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, (uint64_t)-1, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, (uint64_t)-1};
const bool multi_out[] = {false, true, true};
const size_t bp_sizes[] = {1, 1, (size_t)-1, 8, 2, (size_t)-1, 16, 16, 1, (size_t)-1};
return generate_with(events, out_idx, mixin, 3, amounts_paid, true, multi_out, NULL, [&](const cryptonote::transaction &tx, size_t tx_idx){ return check_bp(tx, tx_idx, bp_sizes, "gen_bp_txs_valid_1_1_and_8_2_and_16_16_1"); });
}
bool gen_bp_tx_invalid_not_enough_proofs::generate(std::vector<test_event_entry>& events) const
{
DEFINE_TESTS_ERROR_CONTEXT("gen_bp_tx_invalid_not_enough_proofs");
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {10000, (uint64_t)-1};
const bool multi_out[] = {false};
return generate_with(events, out_idx, mixin, 1, amounts_paid, false, multi_out, NULL, [&](cryptonote::transaction &tx, size_t idx){
CHECK_TEST_CONDITION(tx.rct_signatures.type == rct::RCTTypeBulletproof);
CHECK_TEST_CONDITION(!tx.rct_signatures.p.bulletproofs.empty());
tx.rct_signatures.p.bulletproofs.pop_back();
return true;
});
}
bool gen_bp_tx_invalid_too_many_proofs::generate(std::vector<test_event_entry>& events) const
{
DEFINE_TESTS_ERROR_CONTEXT("gen_bp_tx_invalid_too_many_proofs");
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {10000, (uint64_t)-1};
const bool multi_out[] = {false};
return generate_with(events, out_idx, mixin, 1, amounts_paid, false, multi_out, NULL, [&](cryptonote::transaction &tx, size_t idx){
CHECK_TEST_CONDITION(tx.rct_signatures.type == rct::RCTTypeBulletproof);
CHECK_TEST_CONDITION(!tx.rct_signatures.p.bulletproofs.empty());
tx.rct_signatures.p.bulletproofs.push_back(tx.rct_signatures.p.bulletproofs.back());
return true;
});
}
bool gen_bp_tx_invalid_wrong_amount::generate(std::vector<test_event_entry>& events) const
{
DEFINE_TESTS_ERROR_CONTEXT("gen_bp_tx_invalid_wrong_amount");
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {10000, (uint64_t)-1};
const bool multi_out[] = {false};
return generate_with(events, out_idx, mixin, 1, amounts_paid, false, multi_out, NULL, [&](cryptonote::transaction &tx, size_t idx){
CHECK_TEST_CONDITION(tx.rct_signatures.type == rct::RCTTypeBulletproof);
CHECK_TEST_CONDITION(!tx.rct_signatures.p.bulletproofs.empty());
tx.rct_signatures.p.bulletproofs.back() = rct::bulletproof_PROVE(1000, rct::skGen());
return true;
});
}
bool gen_bp_tx_invalid_switched::generate(std::vector<test_event_entry>& events) const
{
DEFINE_TESTS_ERROR_CONTEXT("gen_bp_tx_invalid_switched");
const int mixin = 6;
const int out_idx[] = {1, -1};
const uint64_t amounts_paid[] = {5000, 5000, (uint64_t)-1};
const bool multi_out[] = {false};
return generate_with(events, out_idx, mixin, 1, amounts_paid, false, multi_out, NULL, [&](cryptonote::transaction &tx, size_t tx_idx){
CHECK_TEST_CONDITION(tx.rct_signatures.type == rct::RCTTypeBulletproof);
CHECK_TEST_CONDITION(tx.rct_signatures.p.bulletproofs.size() == 2);
rct::Bulletproof proof = tx.rct_signatures.p.bulletproofs[0];
tx.rct_signatures.p.bulletproofs[0] = tx.rct_signatures.p.bulletproofs[1];
tx.rct_signatures.p.bulletproofs[1] = proof;
return true;
});
}

170
tests/core_tests/bulletproofs.h Normal file
View File

@ -0,0 +1,170 @@
// Copyright (c) 2014-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#pragma once
#include "chaingen.h"
struct gen_bp_tx_validation_base : public test_chain_unit_base
{
gen_bp_tx_validation_base()
: m_invalid_tx_index(0)
, m_invalid_block_index(0)
{
REGISTER_CALLBACK_METHOD(gen_bp_tx_validation_base, mark_invalid_tx);
REGISTER_CALLBACK_METHOD(gen_bp_tx_validation_base, mark_invalid_block);
}
bool check_tx_verification_context(const cryptonote::tx_verification_context& tvc, bool tx_added, size_t event_idx, const cryptonote::transaction& /*tx*/)
{
if (m_invalid_tx_index == event_idx)
return tvc.m_verifivation_failed;
else
return !tvc.m_verifivation_failed && tx_added;
}
bool check_tx_verification_context(const std::vector<cryptonote::tx_verification_context>& tvcs, size_t tx_added, size_t event_idx, const std::vector<cryptonote::transaction>& /*txs*/)
{
size_t failed = 0;
for (const cryptonote::tx_verification_context &tvc: tvcs)
if (tvc.m_verifivation_failed)
++failed;
if (m_invalid_tx_index == event_idx)
return failed > 0;
else
return failed == 0 && tx_added == tvcs.size();
}
bool check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*block*/)
{
if (m_invalid_block_index == event_idx)
return bvc.m_verifivation_failed;
else
return !bvc.m_verifivation_failed;
}
bool mark_invalid_block(cryptonote::core& /*c*/, size_t ev_index, const std::vector<test_event_entry>& /*events*/)
{
m_invalid_block_index = ev_index + 1;
return true;
}
bool mark_invalid_tx(cryptonote::core& /*c*/, size_t ev_index, const std::vector<test_event_entry>& /*events*/)
{
m_invalid_tx_index = ev_index + 1;
return true;
}
bool generate_with(std::vector<test_event_entry>& events, const int *out_idx, int mixin,
size_t n_txes, const uint64_t *amounts_paid, bool valid, const bool *multi_out,
const std::function<bool(std::vector<cryptonote::tx_source_entry> &sources, std::vector<cryptonote::tx_destination_entry> &destinations, size_t)> &pre_tx,
const std::function<bool(cryptonote::transaction &tx, size_t)> &post_tx) const;
bool check_bp(const cryptonote::transaction &tx, size_t tx_idx, const size_t *sizes, const char *context) const;
private:
size_t m_invalid_tx_index;
size_t m_invalid_block_index;
};
template<>
struct get_test_options<gen_bp_tx_validation_base> {
const std::pair<uint8_t, uint64_t> hard_forks[4] = {std::make_pair(1, 0), std::make_pair(2, 1), std::make_pair(8, 69), std::make_pair(0, 0)};
const cryptonote::test_options test_options = {
hard_forks
};
};
// valid
struct gen_bp_tx_valid_1 : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_valid_1>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_tx_valid_1_1 : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_valid_1_1>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_tx_valid_2 : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_valid_2>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_tx_valid_4_2_1 : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_valid_4_2_1>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_tx_valid_16_16 : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_valid_16_16>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_txs_valid_2_and_2 : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_txs_valid_2_and_2>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_txs_valid_1_1_and_8_2_and_16_16_1 : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_txs_valid_1_1_and_8_2_and_16_16_1>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_tx_invalid_not_enough_proofs : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_invalid_not_enough_proofs>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_tx_invalid_too_many_proofs : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_invalid_too_many_proofs>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_tx_invalid_wrong_amount : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_invalid_wrong_amount>: public get_test_options<gen_bp_tx_validation_base> {};
struct gen_bp_tx_invalid_switched : public gen_bp_tx_validation_base
{
bool generate(std::vector<test_event_entry>& events) const;
};
template<> struct get_test_options<gen_bp_tx_invalid_switched>: public get_test_options<gen_bp_tx_validation_base> {};

46
tests/core_tests/chaingen.h
View File

@ -135,7 +135,7 @@ VARIANT_TAG(binary_archive, serialized_block, 0xcd);
VARIANT_TAG(binary_archive, serialized_transaction, 0xce); VARIANT_TAG(binary_archive, serialized_transaction, 0xce);
VARIANT_TAG(binary_archive, event_visitor_settings, 0xcf); VARIANT_TAG(binary_archive, event_visitor_settings, 0xcf);
typedef boost::variant<cryptonote::block, cryptonote::transaction, cryptonote::account_base, callback_entry, serialized_block, serialized_transaction, event_visitor_settings> test_event_entry; typedef boost::variant<cryptonote::block, cryptonote::transaction, std::vector<cryptonote::transaction>, cryptonote::account_base, callback_entry, serialized_block, serialized_transaction, event_visitor_settings> test_event_entry;
typedef std::unordered_map<crypto::hash, const cryptonote::transaction*> map_hash2tx_t; typedef std::unordered_map<crypto::hash, const cryptonote::transaction*> map_hash2tx_t;
class test_chain_unit_base class test_chain_unit_base
@ -263,6 +263,30 @@ bool check_tx_verification_context(const cryptonote::tx_verification_context& tv
} }
//-------------------------------------------------------------------------- //--------------------------------------------------------------------------
template<class t_test_class> template<class t_test_class>
auto do_check_tx_verification_context(const std::vector<cryptonote::tx_verification_context>& tvcs, size_t tx_added, size_t event_index, const std::vector<cryptonote::transaction>& txs, t_test_class& validator, int)
-> decltype(validator.check_tx_verification_context(tvcs, tx_added, event_index, txs))
{
return validator.check_tx_verification_context(tvcs, tx_added, event_index, txs);
}
//--------------------------------------------------------------------------
template<class t_test_class>
bool do_check_tx_verification_context(const std::vector<cryptonote::tx_verification_context>& tvcs, size_t tx_added, size_t /*event_index*/, const std::vector<cryptonote::transaction>& /*txs*/, t_test_class&, long)
{
// Default block verification context check
for (const cryptonote::tx_verification_context &tvc: tvcs)
if (tvc.m_verifivation_failed)
throw std::runtime_error("Transaction verification failed");
return true;
}
//--------------------------------------------------------------------------
template<class t_test_class>
bool check_tx_verification_context(const std::vector<cryptonote::tx_verification_context>& tvcs, size_t tx_added, size_t event_index, const std::vector<cryptonote::transaction>& txs, t_test_class& validator)
{
// SFINAE in action
return do_check_tx_verification_context(tvcs, tx_added, event_index, txs, validator, 0);
}
//--------------------------------------------------------------------------
template<class t_test_class>
auto do_check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_index, const cryptonote::block& blk, t_test_class& validator, int) auto do_check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_index, const cryptonote::block& blk, t_test_class& validator, int)
-> decltype(validator.check_block_verification_context(bvc, event_index, blk)) -> decltype(validator.check_block_verification_context(bvc, event_index, blk))
{ {
@ -339,6 +363,26 @@ public:
return true; return true;
} }
bool operator()(const std::vector<cryptonote::transaction>& txs) const
{
log_event("cryptonote::transaction");
std::vector<cryptonote::blobdata> tx_blobs;
std::vector<cryptonote::tx_verification_context> tvcs;
cryptonote::tx_verification_context tvc0 = AUTO_VAL_INIT(tvc0);
for (const auto &tx: txs)
{
tx_blobs.push_back(t_serializable_object_to_blob(tx));
tvcs.push_back(tvc0);
}
size_t pool_size = m_c.get_pool_transactions_count();
m_c.handle_incoming_txs(tx_blobs, tvcs, m_txs_keeped_by_block, false, false);
size_t tx_added = m_c.get_pool_transactions_count() - pool_size;
bool r = check_tx_verification_context(tvcs, tx_added, m_ev_index, txs, m_validator);
CHECK_AND_NO_ASSERT_MES(r, false, "tx verification context check failed");
return true;
}
bool operator()(const cryptonote::block& b) const bool operator()(const cryptonote::block& b) const
{ {
log_event("cryptonote::block"); log_event("cryptonote::block");

12
tests/core_tests/chaingen_main.cpp
View File

@ -224,6 +224,18 @@ int main(int argc, char* argv[])
GENERATE_AND_PLAY(gen_multisig_tx_invalid_33_1_2_no_threshold); GENERATE_AND_PLAY(gen_multisig_tx_invalid_33_1_2_no_threshold);
GENERATE_AND_PLAY(gen_multisig_tx_invalid_33_1_3_no_threshold); GENERATE_AND_PLAY(gen_multisig_tx_invalid_33_1_3_no_threshold);
GENERATE_AND_PLAY(gen_bp_tx_valid_1);
GENERATE_AND_PLAY(gen_bp_tx_valid_1_1);
GENERATE_AND_PLAY(gen_bp_tx_valid_2);
GENERATE_AND_PLAY(gen_bp_tx_valid_4_2_1);
GENERATE_AND_PLAY(gen_bp_tx_valid_16_16);
GENERATE_AND_PLAY(gen_bp_txs_valid_2_and_2);
GENERATE_AND_PLAY(gen_bp_txs_valid_1_1_and_8_2_and_16_16_1);
GENERATE_AND_PLAY(gen_bp_tx_invalid_not_enough_proofs);
GENERATE_AND_PLAY(gen_bp_tx_invalid_too_many_proofs);
GENERATE_AND_PLAY(gen_bp_tx_invalid_wrong_amount);
GENERATE_AND_PLAY(gen_bp_tx_invalid_switched);
el::Level level = (failed_tests.empty() ? el::Level::Info : el::Level::Error); el::Level level = (failed_tests.empty() ? el::Level::Info : el::Level::Error);
MLOG(level, "\nREPORT:"); MLOG(level, "\nREPORT:");
MLOG(level, " Test run: " << tests_count); MLOG(level, " Test run: " << tests_count);

1
tests/core_tests/chaingen_tests_list.h
View File

@ -42,6 +42,7 @@
#include "v2_tests.h" #include "v2_tests.h"
#include "rct.h" #include "rct.h"
#include "multisig.h" #include "multisig.h"
#include "bulletproofs.h"
/************************************************************************/ /************************************************************************/
/* */ /* */
/************************************************************************/ /************************************************************************/

2
tests/core_tests/rct.cpp
View File

@ -133,7 +133,7 @@ bool gen_rct_tx_validation_base::generate_with(std::vector<test_event_entry>& ev
CHECK_AND_ASSERT_MES(r, false, "Failed to generate key derivation"); CHECK_AND_ASSERT_MES(r, false, "Failed to generate key derivation");
crypto::secret_key amount_key; crypto::secret_key amount_key;
crypto::derivation_to_scalar(derivation, o, amount_key); crypto::derivation_to_scalar(derivation, o, amount_key);
if (rct_txes[n].rct_signatures.type == rct::RCTTypeSimple || rct_txes[n].rct_signatures.type == rct::RCTTypeSimpleBulletproof) if (rct_txes[n].rct_signatures.type == rct::RCTTypeSimple || rct_txes[n].rct_signatures.type == rct::RCTTypeBulletproof)
rct::decodeRctSimple(rct_txes[n].rct_signatures, rct::sk2rct(amount_key), o, rct_tx_masks[o+n*4], hw::get_device("default")); rct::decodeRctSimple(rct_txes[n].rct_signatures, rct::sk2rct(amount_key), o, rct_tx_masks[o+n*4], hw::get_device("default"));
else else
rct::decodeRct(rct_txes[n].rct_signatures, rct::sk2rct(amount_key), o, rct_tx_masks[o+n*4], hw::get_device("default")); rct::decodeRct(rct_txes[n].rct_signatures, rct::sk2rct(amount_key), o, rct_tx_masks[o+n*4], hw::get_device("default"));

2
tests/performance_tests/check_tx_signature.h
View File

@ -84,7 +84,7 @@ public:
{ {
if (rct) if (rct)
{ {
if (m_tx.rct_signatures.type == rct::RCTTypeFull || m_tx.rct_signatures.type == rct::RCTTypeFullBulletproof) if (m_tx.rct_signatures.type == rct::RCTTypeFull)
return rct::verRct(m_tx.rct_signatures); return rct::verRct(m_tx.rct_signatures);
else else
return rct::verRctSimple(m_tx.rct_signatures); return rct::verRctSimple(m_tx.rct_signatures);

28
tests/unit_tests/bulletproofs.cpp
View File

@ -78,58 +78,62 @@ TEST(bulletproofs, multi_splitting)
{ {
rct::ctkeyV sc, pc; rct::ctkeyV sc, pc;
rct::ctkey sctmp, pctmp; rct::ctkey sctmp, pctmp;
std::vector<unsigned int> index;
std::vector<uint64_t> inamounts, outamounts;
std::tie(sctmp, pctmp) = rct::ctskpkGen(6000); std::tie(sctmp, pctmp) = rct::ctskpkGen(6000);
sc.push_back(sctmp); sc.push_back(sctmp);
pc.push_back(pctmp); pc.push_back(pctmp);
inamounts.push_back(6000);
index.push_back(1);
std::tie(sctmp, pctmp) = rct::ctskpkGen(7000); std::tie(sctmp, pctmp) = rct::ctskpkGen(7000);
sc.push_back(sctmp); sc.push_back(sctmp);
pc.push_back(pctmp); pc.push_back(pctmp);
inamounts.push_back(7000);
index.push_back(1);
const int mixin = 3, max_outputs = 16; const int mixin = 3, max_outputs = 16;
for (int n_outputs = 1; n_outputs <= max_outputs; ++n_outputs) for (int n_outputs = 1; n_outputs <= max_outputs; ++n_outputs)
{ {
std::vector<uint64_t> amounts; std::vector<uint64_t> outamounts;
rct::keyV amount_keys; rct::keyV amount_keys;
rct::keyV destinations; rct::keyV destinations;
rct::key Sk, Pk; rct::key Sk, Pk;
uint64_t available = 6000 + 7000; uint64_t available = 6000 + 7000;
uint64_t amount; uint64_t amount;
rct::ctkeyM mixRing(mixin+1); rct::ctkeyM mixRing(sc.size());
//add output //add output
for (size_t i = 0; i < n_outputs; ++i) for (size_t i = 0; i < n_outputs; ++i)
{ {
amount = rct::randXmrAmount(available); amount = rct::randXmrAmount(available);
amounts.push_back(amount); outamounts.push_back(amount);
amount_keys.push_back(rct::hash_to_scalar(rct::zero())); amount_keys.push_back(rct::hash_to_scalar(rct::zero()));
rct::skpkGen(Sk, Pk); rct::skpkGen(Sk, Pk);
destinations.push_back(Pk); destinations.push_back(Pk);
available -= amount; available -= amount;
} }
if (!amounts.empty())
amounts.back() += available;
for (size_t j = 0; j <= mixin; ++j) for (size_t i = 0; i < sc.size(); ++i)
{ {
for (size_t i = 0; i < sc.size(); ++i) for (size_t j = 0; j <= mixin; ++j)
{ {
if (j == 1) if (j == 1)
mixRing[j].push_back(pc[i]); mixRing[i].push_back(pc[i]);
else else
mixRing[j].push_back({rct::scalarmultBase(rct::skGen()), rct::scalarmultBase(rct::skGen())}); mixRing[i].push_back({rct::scalarmultBase(rct::skGen()), rct::scalarmultBase(rct::skGen())});
} }
} }
rct::ctkeyV outSk; rct::ctkeyV outSk;
rct::rctSig s = rct::genRct(rct::zero(), sc, destinations, amounts, mixRing, amount_keys, NULL, NULL, 1, outSk, rct::RangeProofMultiOutputBulletproof, hw::get_device("default")); rct::rctSig s = rct::genRctSimple(rct::zero(), sc, destinations, inamounts, outamounts, available, mixRing, amount_keys, NULL, NULL, index, outSk, rct::RangeProofMultiOutputBulletproof, hw::get_device("default"));
ASSERT_TRUE(rct::verRct(s)); ASSERT_TRUE(rct::verRctSimple(s));
for (size_t i = 0; i < n_outputs; ++i) for (size_t i = 0; i < n_outputs; ++i)
{ {
rct::key mask; rct::key mask;
rct::decodeRct(s, amount_keys[i], i, mask, hw::get_device("default")); rct::decodeRctSimple(s, amount_keys[i], i, mask, hw::get_device("default"));
ASSERT_TRUE(mask == outSk[i].mask); ASSERT_TRUE(mask == outSk[i].mask);
} }
} }