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add bulletproofs from v7 on testnet

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moneromooo-monero 2017-12-02 21:17:42 +00:00
parent 8620ef0a0d
commit c83d0b3ee2
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GPG key ID: 686F07454D6CEFC3
11 changed files with 201 additions and 70 deletions
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35
src/cryptonote_core/blockchain.cpp
View file

@ -127,6 +127,7 @@ static const struct {
{ 5, 802660, 0, 1472415036 + 86400*180 }, // add 5 months on testnet to shut the update warning up since there's a large gap to v6
{ 6, 971400, 0, 1501709789 },
{ 7, 1057028, 0, 1512211236 },
};
static const uint64_t testnet_hard_fork_version_1_till = 624633;
@ -2387,8 +2388,10 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
LOG_PRINT_L3("Blockchain::" << __func__);
CRITICAL_REGION_LOCAL(m_blockchain_lock);
const uint8_t hf_version = m_hardfork->get_current_version();
// from hard fork 2, we forbid dust and compound outputs
if (m_hardfork->get_current_version() >= 2) {
if (hf_version >= 2) {
for (auto &o: tx.vout) {
if (tx.version == 1)
{
@ -2401,7 +2404,7 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
// in a v2 tx, all outputs must have 0 amount
if (m_hardfork->get_current_version() >= 3) {
if (hf_version >= 3) {
if (tx.version >= 2) {
for (auto &o: tx.vout) {
if (o.amount != 0) {
@ -2413,7 +2416,7 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
// from v4, forbid invalid pubkeys
if (m_hardfork->get_current_version() >= 4) {
if (hf_version >= 4) {
for (const auto &o: tx.vout) {
if (o.target.type() == typeid(txout_to_key)) {
const txout_to_key& out_to_key = boost::get<txout_to_key>(o.target);
@ -2425,6 +2428,16 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
}
}
// from v7, allow bulletproofs
if (hf_version < 7 || !m_testnet) {
if (!tx.rct_signatures.p.bulletproofs.empty())
{
MERROR("Bulletproofs are not allowed before v7 or on mainnet");
tvc.m_invalid_output = true;
return false;
}
}
return true;
}
//------------------------------------------------------------------
@ -2450,7 +2463,7 @@ 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)
{
rv.mixRing.resize(pubkeys[0].size());
for (size_t m = 0; m < pubkeys[0].size(); ++m)
@ -2464,7 +2477,7 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
}
}
}
else if (rv.type == rct::RCTTypeSimple)
else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeSimpleBulletproof)
{
rv.mixRing.resize(pubkeys.size());
for (size_t n = 0; n < pubkeys.size(); ++n)
@ -2482,14 +2495,14 @@ 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)
{
rv.p.MGs.resize(1);
rv.p.MGs[0].II.resize(tx.vin.size());
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);
}
else if (rv.type == rct::RCTTypeSimple)
else if (rv.type == rct::RCTTypeSimple || rv.type == rct::RCTTypeSimpleBulletproof)
{
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)
@ -2753,7 +2766,9 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
MERROR_VER("Null rct signature on non-coinbase tx");
return false;
}
case rct::RCTTypeSimple: {
case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof:
{
// check all this, either recontructed (so should really pass), or not
{
if (pubkeys.size() != rv.mixRing.size())
@ -2809,7 +2824,9 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
}
break;
}
case rct::RCTTypeFull: {
case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
{
// check all this, either recontructed (so should really pass), or not
{
bool size_matches = true;

18
src/cryptonote_core/cryptonote_core.cpp
View file

@ -625,6 +625,22 @@ namespace cryptonote
}
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 = rv.type == rct::RCTTypeFullBulletproof || rv.type == rct::RCTTypeSimpleBulletproof;
if (bulletproof)
{
if (rv.p.bulletproofs.size() != tx.vout.size())
{
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Bad bulletproofs size in tx " << tx_hash << ", rejected");
tvc.m_verifivation_failed = true;
return false;
}
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;
}
}
}
if (keeped_by_block && get_blockchain_storage().is_within_compiled_block_hash_area())
@ -828,6 +844,7 @@ namespace cryptonote
MERROR_VER("Unexpected Null rctSig type");
return false;
case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof:
if (!rct::verRctSimple(rv, true))
{
MERROR_VER("rct signature semantics check failed");
@ -835,6 +852,7 @@ namespace cryptonote
}
break;
case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
if (!rct::verRct(rv, true))
{
MERROR_VER("rct signature semantics check failed");