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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
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;
if (x.type == rct::RCTTypeNull)
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");
// 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
@@ -323,7 +323,7 @@ namespace boost
a & x.type;
if (x.type == rct::RCTTypeNull)
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");
// 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
@@ -337,7 +337,7 @@ namespace boost
if (x.p.rangeSigs.empty())
a & x.p.bulletproofs;
a & x.p.MGs;
if (x.type == rct::RCTTypeSimpleBulletproof)
if (x.type == rct::RCTTypeBulletproof)
a & x.p.pseudoOuts;
}
}

18
src/cryptonote_basic/cryptonote_format_utils.cpp
View File

@@ -139,18 +139,26 @@ namespace cryptonote
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 (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));
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[0] = rv.outPk[n].mask;
//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_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;
}
}
}