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rct: rework v2 txes into prunable and non prunable data 

Nothing is pruned, but this allows easier changes later.
This commit is contained in:
moneromooo-monero 2016-08-09 21:34:09 +01:00
parent d93746b6d3
commit 93f5c625f0
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
8 changed files with 154 additions and 91 deletions
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24
src/cryptonote_core/blockchain.cpp
View File

@ -2279,17 +2279,18 @@ bool Blockchain::expand_transaction_2(transaction &tx, const crypto::hash &tx_pr
// II // II
if (rv.type == rct::RCTTypeFull) if (rv.type == rct::RCTTypeFull)
{ {
rv.MG.II.resize(tx.vin.size()); rv.p.MGs.resize(1);
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.MG.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) else if (rv.type == rct::RCTTypeSimple)
{ {
CHECK_AND_ASSERT_MES(rv.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)
{ {
rv.MGs[n].II.resize(1); rv.p.MGs[n].II.resize(1);
rv.MGs[n].II[0] = rct::ki2rct(boost::get<txin_to_key>(tx.vin[n]).k_image); rv.p.MGs[n].II[0] = rct::ki2rct(boost::get<txin_to_key>(tx.vin[n]).k_image);
} }
} }
else else
@ -2577,14 +2578,14 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
} }
} }
if (rv.MGs.size() != tx.vin.size()) if (rv.p.MGs.size() != tx.vin.size())
{ {
LOG_PRINT_L1("Failed to check ringct signatures: mismatched MGs/vin sizes"); LOG_PRINT_L1("Failed to check ringct signatures: mismatched MGs/vin sizes");
return false; return false;
} }
for (size_t n = 0; n < tx.vin.size(); ++n) for (size_t n = 0; n < tx.vin.size(); ++n)
{ {
if (memcmp(&boost::get<txin_to_key>(tx.vin[n]).k_image, &rv.MGs[n].II[0], 32)) if (memcmp(&boost::get<txin_to_key>(tx.vin[n]).k_image, &rv.p.MGs[n].II[0], 32))
{ {
LOG_PRINT_L1("Failed to check ringct signatures: mismatched key image"); LOG_PRINT_L1("Failed to check ringct signatures: mismatched key image");
return false; return false;
@ -2630,14 +2631,19 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
} }
} }
if (rv.MG.II.size() != tx.vin.size()) if (rv.p.MGs.size() != 1)
{
LOG_PRINT_L1("Failed to check ringct signatures: Bad MGs size");
return false;
}
if (rv.p.MGs[0].II.size() != tx.vin.size())
{ {
LOG_PRINT_L1("Failed to check ringct signatures: mismatched II/vin sizes"); LOG_PRINT_L1("Failed to check ringct signatures: mismatched II/vin sizes");
return false; return false;
} }
for (size_t n = 0; n < tx.vin.size(); ++n) for (size_t n = 0; n < tx.vin.size(); ++n)
{ {
if (memcmp(&boost::get<txin_to_key>(tx.vin[n]).k_image, &rv.MG.II[n], 32)) if (memcmp(&boost::get<txin_to_key>(tx.vin[n]).k_image, &rv.p.MGs[0].II[n], 32))
{ {
LOG_PRINT_L1("Failed to check ringct signatures: mismatched II/vin sizes"); LOG_PRINT_L1("Failed to check ringct signatures: mismatched II/vin sizes");
return false; return false;

25
src/cryptonote_core/cryptonote_boost_serialization.h
View File

@ -246,17 +246,12 @@ namespace boost
} }
template <class Archive> template <class Archive>
inline void serialize(Archive &a, rct::rctSig &x, const boost::serialization::version_type ver) inline void serialize(Archive &a, rct::rctSigBase &x, const boost::serialization::version_type ver)
{ {
a & x.type; a & x.type;
if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple) if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple)
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.rangeSigs;
if (x.type == rct::RCTTypeSimple)
a & x.MGs;
if (x.type == rct::RCTTypeFull)
a & x.MG;
// 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
if (x.type == rct::RCTTypeSimple) if (x.type == rct::RCTTypeSimple)
a & x.pseudoOuts; a & x.pseudoOuts;
@ -264,6 +259,24 @@ namespace boost
serializeOutPk(a, x.outPk, ver); serializeOutPk(a, x.outPk, ver);
a & x.txnFee; a & x.txnFee;
} }
template <class Archive>
inline void serialize(Archive &a, rct::rctSig &x, const boost::serialization::version_type ver)
{
a & x.type;
if (x.type != rct::RCTTypeFull && x.type != rct::RCTTypeSimple)
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
if (x.type == rct::RCTTypeSimple)
a & x.pseudoOuts;
a & x.ecdhInfo;
serializeOutPk(a, x.outPk, ver);
a & x.txnFee;
//--------------
a & x.p.rangeSigs;
a & x.p.MGs;
}
} }
} }

41
src/cryptonote_core/cryptonote_format_utils.cpp
View File

@ -101,7 +101,7 @@ namespace cryptonote
CHECK_AND_ASSERT_MES(r, false, "Failed to parse transaction from blob"); CHECK_AND_ASSERT_MES(r, false, "Failed to parse transaction from blob");
//TODO: validate tx //TODO: validate tx
crypto::cn_fast_hash(tx_blob.data(), tx_blob.size(), tx_hash); get_transaction_hash(tx, tx_hash);
get_transaction_prefix_hash(tx, tx_prefix_hash); get_transaction_prefix_hash(tx, tx_prefix_hash);
return true; return true;
} }
@ -905,20 +905,49 @@ namespace cryptonote
crypto::hash get_transaction_hash(const transaction& t) crypto::hash get_transaction_hash(const transaction& t)
{ {
crypto::hash h = null_hash; crypto::hash h = null_hash;
size_t blob_size = 0; get_transaction_hash(t, h, NULL);
get_object_hash(t, h, blob_size);
return h; return h;
} }
//--------------------------------------------------------------- //---------------------------------------------------------------
bool get_transaction_hash(const transaction& t, crypto::hash& res) bool get_transaction_hash(const transaction& t, crypto::hash& res)
{ {
size_t blob_size = 0; return get_transaction_hash(t, res, NULL);
return get_object_hash(t, res, blob_size); }
//---------------------------------------------------------------
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size)
{
// v1 transactions hash the entire blob
if (t.version == 1)
{
size_t ignored_blob_size, &blob_size_ref = blob_size ? *blob_size : ignored_blob_size;
return get_object_hash(t, res, blob_size_ref);
}
// v2 transactions hash different parts together, than hash the set of those hashes
crypto::hash hashes[3];
// prefix
get_transaction_prefix_hash(t, hashes[0]);
// base rct data
get_blob_hash(t_serializable_object_to_blob((const rct::rctSigBase&)t.rct_signatures), hashes[1]);
// prunable rct data
get_blob_hash(t_serializable_object_to_blob(t.rct_signatures.p), hashes[2]);
// the tx hash is the hash of the 3 hashes
res = cn_fast_hash(hashes, sizeof(hashes));
// we still need the size
if (blob_size)
*blob_size = get_object_blobsize(t);
return true;
} }
//--------------------------------------------------------------- //---------------------------------------------------------------
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size) bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size)
{ {
return get_object_hash(t, res, blob_size); return get_transaction_hash(t, res, &blob_size);
} }
//--------------------------------------------------------------- //---------------------------------------------------------------
blobdata get_block_hashing_blob(const block& b) blobdata get_block_hashing_blob(const block& b)

1
src/cryptonote_core/cryptonote_format_utils.h
View File

@ -111,6 +111,7 @@ namespace cryptonote
crypto::hash get_transaction_hash(const transaction& t); crypto::hash get_transaction_hash(const transaction& t);
bool get_transaction_hash(const transaction& t, crypto::hash& res); bool get_transaction_hash(const transaction& t, crypto::hash& res);
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size); bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size);
bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size);
blobdata get_block_hashing_blob(const block& b); blobdata get_block_hashing_blob(const block& b);
bool get_block_hash(const block& b, crypto::hash& res); bool get_block_hash(const block& b, crypto::hash& res);
crypto::hash get_block_hash(const block& b); crypto::hash get_block_hash(const block& b);

45
src/ringct/rctSigs.cpp
View File

@ -346,7 +346,7 @@ namespace rct {
keyV kv; keyV kv;
kv.push_back(d2h(rv.type)); kv.push_back(d2h(rv.type));
kv.push_back(rv.message); kv.push_back(rv.message);
for (auto r: rv.rangeSigs) for (auto r: rv.p.rangeSigs)
{ {
for (size_t n = 0; n < 64; ++n) for (size_t n = 0; n < 64; ++n)
kv.push_back(r.asig.L1[n]); kv.push_back(r.asig.L1[n]);
@ -593,8 +593,9 @@ namespace rct {
rctSig rv; rctSig rv;
rv.type = RCTTypeFull; rv.type = RCTTypeFull;
rv.message = message;
rv.outPk.resize(destinations.size()); rv.outPk.resize(destinations.size());
rv.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;
@ -604,9 +605,9 @@ namespace rct {
//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
rv.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.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
//mask amount and mask //mask amount and mask
@ -628,7 +629,7 @@ namespace rct {
key txnFeeKey = scalarmultH(d2h(rv.txnFee)); key txnFeeKey = scalarmultH(d2h(rv.txnFee));
rv.mixRing = mixRing; rv.mixRing = mixRing;
rv.MG = proveRctMG(get_pre_mlsag_hash(rv), rv.mixRing, inSk, outSk, rv.outPk, index, txnFeeKey); rv.p.MGs.push_back(proveRctMG(get_pre_mlsag_hash(rv), rv.mixRing, inSk, outSk, rv.outPk, index, txnFeeKey));
return rv; return rv;
} }
@ -654,8 +655,9 @@ namespace rct {
rctSig rv; rctSig rv;
rv.type = RCTTypeSimple; rv.type = RCTTypeSimple;
rv.message = message;
rv.outPk.resize(destinations.size()); rv.outPk.resize(destinations.size());
rv.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;
@ -667,9 +669,9 @@ namespace rct {
//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
rv.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
verRange(rv.outPk[i].mask, rv.rangeSigs[i]); verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]);
#endif #endif
sc_add(sumout.bytes, outSk[i].mask.bytes, sumout.bytes); sc_add(sumout.bytes, outSk[i].mask.bytes, sumout.bytes);
@ -686,7 +688,7 @@ namespace rct {
// key txnFeeKey = scalarmultH(d2h(rv.txnFee)); // key txnFeeKey = scalarmultH(d2h(rv.txnFee));
rv.mixRing = mixRing; rv.mixRing = mixRing;
rv.pseudoOuts.resize(inamounts.size()); rv.pseudoOuts.resize(inamounts.size());
rv.MGs.resize(inamounts.size()); rv.p.MGs.resize(inamounts.size());
key sumpouts = zero(); //sum pseudoOut masks key sumpouts = zero(); //sum pseudoOut masks
keyV a(inamounts.size()); keyV a(inamounts.size());
for (i = 0 ; i < inamounts.size() - 1; i++) { for (i = 0 ; i < inamounts.size() - 1; i++) {
@ -701,7 +703,7 @@ namespace rct {
key full_message = get_pre_mlsag_hash(rv); key full_message = get_pre_mlsag_hash(rv);
for (i = 0 ; i < inamounts.size(); i++) { for (i = 0 ; i < inamounts.size(); i++) {
rv.MGs[i] = proveRctMGSimple(full_message, rv.mixRing[i], inSk[i], a[i], rv.pseudoOuts[i], index[i]); rv.p.MGs[i] = proveRctMGSimple(full_message, rv.mixRing[i], inSk[i], a[i], rv.pseudoOuts[i], index[i]);
} }
return rv; return rv;
} }
@ -731,8 +733,9 @@ 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 verRct(const rctSig & rv) {
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull, false, "verRct called on non-full rctSig"); CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull, false, "verRct called on non-full rctSig");
CHECK_AND_ASSERT_MES(rv.outPk.size() == rv.rangeSigs.size(), false, "Mismatched sizes of outPk and rv.rangeSigs"); 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");
// some rct ops can throw // some rct ops can throw
try try
@ -742,13 +745,13 @@ namespace rct {
bool tmp; bool tmp;
DP("range proofs verified?"); DP("range proofs verified?");
for (i = 0; i < rv.outPk.size(); i++) { for (i = 0; i < rv.outPk.size(); i++) {
tmp = verRange(rv.outPk[i].mask, rv.rangeSigs[i]); tmp = verRange(rv.outPk[i].mask, rv.p.rangeSigs[i]);
DP(tmp); DP(tmp);
rvb = (rvb && tmp); rvb = (rvb && tmp);
} }
//compute txn fee //compute txn fee
key txnFeeKey = scalarmultH(d2h(rv.txnFee)); key txnFeeKey = scalarmultH(d2h(rv.txnFee));
bool mgVerd = verRctMG(rv.MG, rv.mixRing, rv.outPk, txnFeeKey, get_pre_mlsag_hash(rv)); bool mgVerd = verRctMG(rv.p.MGs[0], rv.mixRing, rv.outPk, txnFeeKey, get_pre_mlsag_hash(rv));
DP("mg sig verified?"); DP("mg sig verified?");
DP(mgVerd); DP(mgVerd);
@ -767,14 +770,14 @@ namespace rct {
bool rvb = true; bool rvb = true;
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple, false, "verRctSimple called on non simple rctSig"); CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple, false, "verRctSimple called on non simple rctSig");
CHECK_AND_ASSERT_MES(rv.outPk.size() == rv.rangeSigs.size(), false, "Mismatched sizes of outPk and rv.rangeSigs"); 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.pseudoOuts.size() == rv.MGs.size(), false, "Mismatched sizes of rv.pseudoOuts and rv.MGs"); CHECK_AND_ASSERT_MES(rv.pseudoOuts.size() == rv.p.MGs.size(), false, "Mismatched sizes of rv.pseudoOuts and rv.p.MGs");
CHECK_AND_ASSERT_MES(rv.pseudoOuts.size() == rv.mixRing.size(), false, "Mismatched sizes of rv.pseudoOuts and mixRing"); CHECK_AND_ASSERT_MES(rv.pseudoOuts.size() == rv.mixRing.size(), false, "Mismatched sizes of rv.pseudoOuts and mixRing");
key sumOutpks = identity(); key sumOutpks = identity();
for (i = 0; i < rv.outPk.size(); i++) { for (i = 0; i < rv.outPk.size(); i++) {
if (!verRange(rv.outPk[i].mask, rv.rangeSigs[i])) { if (!verRange(rv.outPk[i].mask, rv.p.rangeSigs[i])) {
return false; return false;
} }
addKeys(sumOutpks, sumOutpks, rv.outPk[i].mask); addKeys(sumOutpks, sumOutpks, rv.outPk[i].mask);
@ -787,7 +790,7 @@ namespace rct {
key message = get_pre_mlsag_hash(rv); key message = get_pre_mlsag_hash(rv);
key sumPseudoOuts = identity(); key sumPseudoOuts = identity();
for (i = 0 ; i < rv.mixRing.size() ; i++) { for (i = 0 ; i < rv.mixRing.size() ; i++) {
tmpb = verRctMGSimple(message, rv.MGs[i], rv.mixRing[i], rv.pseudoOuts[i]); tmpb = verRctMGSimple(message, rv.p.MGs[i], rv.mixRing[i], rv.pseudoOuts[i]);
addKeys(sumPseudoOuts, sumPseudoOuts, rv.pseudoOuts[i]); addKeys(sumPseudoOuts, sumPseudoOuts, rv.pseudoOuts[i]);
DP(tmpb); DP(tmpb);
if (!tmpb) { if (!tmpb) {
@ -820,8 +823,8 @@ 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
static xmr_amount decodeRctMain(const rctSig & rv, const key & sk, unsigned int i, key & mask, void (*decode)(ecdhTuple&, const key&)) { static xmr_amount decodeRctMain(const rctSig & rv, const key & sk, unsigned int i, key & mask, void (*decode)(ecdhTuple&, const key&)) {
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull, 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(rv.rangeSigs.size() > 0, "Empty rv.rangeSigs"); CHECK_AND_ASSERT_THROW_MES(rv.p.rangeSigs.size() > 0, "Empty rv.p.rangeSigs");
CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.rangeSigs.size(), "Mismatched sizes of rv.outPk and rv.rangeSigs"); CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.p.rangeSigs.size(), "Mismatched sizes of rv.outPk and rv.p.rangeSigs");
CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index"); CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index");
//mask amount and mask //mask amount and mask
@ -857,8 +860,8 @@ namespace rct {
static xmr_amount decodeRctSimpleMain(const rctSig & rv, const key & sk, unsigned int i, key &mask, void (*decode)(ecdhTuple &ecdh, const key&)) { static xmr_amount decodeRctSimpleMain(const rctSig & rv, const key & sk, unsigned int i, key &mask, void (*decode)(ecdhTuple &ecdh, const key&)) {
CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple, false, "decodeRct called on non simple rctSig"); CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple, false, "decodeRct called on non simple rctSig");
CHECK_AND_ASSERT_THROW_MES(rv.rangeSigs.size() > 0, "Empty rv.rangeSigs"); CHECK_AND_ASSERT_THROW_MES(rv.p.rangeSigs.size() > 0, "Empty rv.p.rangeSigs");
CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.rangeSigs.size(), "Mismatched sizes of rv.outPk and rv.rangeSigs"); CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.p.rangeSigs.size(), "Mismatched sizes of rv.outPk and rv.p.rangeSigs");
CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index"); CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index");
//mask amount and mask //mask amount and mask

29
src/ringct/rctTypes.h
View File

@ -177,12 +177,9 @@ namespace rct {
RCTTypeFull = 0, RCTTypeFull = 0,
RCTTypeSimple = 1, RCTTypeSimple = 1,
}; };
struct rctSig { struct rctSigBase {
uint8_t type; uint8_t type;
key message; key message;
vector<rangeSig> rangeSigs;
mgSig MG; // for non simple rct
vector<mgSig> MGs; // for simple rct
ctkeyM mixRing; //the set of all pubkeys / copy ctkeyM mixRing; //the set of all pubkeys / copy
//pairs that you mix with //pairs that you mix with
keyV pseudoOuts; //C - for simple rct keyV pseudoOuts; //C - for simple rct
@ -190,14 +187,9 @@ namespace rct {
ctkeyV outPk; ctkeyV outPk;
xmr_amount txnFee; // contains b xmr_amount txnFee; // contains b
BEGIN_SERIALIZE_OBJECT() BEGIN_SERIALIZE()
FIELD(type) FIELD(type)
// FIELD(message) - not serialized, it can be reconstructed // FIELD(message) - not serialized, it can be reconstructed
FIELD(rangeSigs)
if (type == RCTTypeSimple)
FIELD(MGs)
else
FIELD(MG)
// FIELD(mixRing) - not serialized, it can be reconstructed // FIELD(mixRing) - not serialized, it can be reconstructed
if (type == RCTTypeSimple) if (type == RCTTypeSimple)
FIELD(pseudoOuts) FIELD(pseudoOuts)
@ -218,6 +210,23 @@ namespace rct {
FIELD(txnFee) FIELD(txnFee)
END_SERIALIZE() END_SERIALIZE()
}; };
struct rctSigPrunable {
vector<rangeSig> rangeSigs;
vector<mgSig> MGs; // simple rct has N, full has 1
BEGIN_SERIALIZE()
FIELD(rangeSigs)
FIELD(MGs)
END_SERIALIZE()
};
struct rctSig: public rctSigBase {
rctSigPrunable p;
BEGIN_SERIALIZE_OBJECT()
FIELDS(*static_cast<rctSigBase *>(this))
FIELDS(p);
END_SERIALIZE()
};
//other basepoint H = toPoint(cn_fast_hash(G)), G the basepoint //other basepoint H = toPoint(cn_fast_hash(G)), G the basepoint
static const key H = { {0x8b, 0x65, 0x59, 0x70, 0x15, 0x37, 0x99, 0xaf, 0x2a, 0xea, 0xdc, 0x9f, 0xf1, 0xad, 0xd0, 0xea, 0x6c, 0x72, 0x51, 0xd5, 0x41, 0x54, 0xcf, 0xa9, 0x2c, 0x17, 0x3a, 0x0d, 0xd3, 0x9c, 0x1f, 0x94} }; static const key H = { {0x8b, 0x65, 0x59, 0x70, 0x15, 0x37, 0x99, 0xaf, 0x2a, 0xea, 0xdc, 0x9f, 0xf1, 0xad, 0xd0, 0xea, 0x6c, 0x72, 0x51, 0xd5, 0x41, 0x54, 0xcf, 0xa9, 0x2c, 0x17, 0x3a, 0x0d, 0xd3, 0x9c, 0x1f, 0x94} };

55
tests/unit_tests/ringct.cpp
View File

@ -985,18 +985,19 @@ TEST(ringct, rctSig_##name) \
ASSERT_FALSE(rct::verRct(sig)); \ ASSERT_FALSE(rct::verRct(sig)); \
} }
TEST_rctSig_elements(rangeSigs_empty, sig.rangeSigs.resize(0)); TEST_rctSig_elements(rangeSigs_empty, sig.p.rangeSigs.resize(0));
TEST_rctSig_elements(rangeSigs_too_many, sig.rangeSigs.push_back(sig.rangeSigs.back())); TEST_rctSig_elements(rangeSigs_too_many, sig.p.rangeSigs.push_back(sig.p.rangeSigs.back()));
TEST_rctSig_elements(rangeSigs_too_few, sig.rangeSigs.pop_back()); TEST_rctSig_elements(rangeSigs_too_few, sig.p.rangeSigs.pop_back());
TEST_rctSig_elements(mgSig_ss_empty, sig.MG.ss.resize(0)); TEST_rctSig_elements(mgSig_MG_empty, sig.p.MGs.resize(0));
TEST_rctSig_elements(mgSig_ss_too_many, sig.MG.ss.push_back(sig.MG.ss.back())); TEST_rctSig_elements(mgSig_ss_empty, sig.p.MGs[0].ss.resize(0));
TEST_rctSig_elements(mgSig_ss_too_few, sig.MG.ss.pop_back()); TEST_rctSig_elements(mgSig_ss_too_many, sig.p.MGs[0].ss.push_back(sig.p.MGs[0].ss.back()));
TEST_rctSig_elements(mgSig_ss0_empty, sig.MG.ss[0].resize(0)); TEST_rctSig_elements(mgSig_ss_too_few, sig.p.MGs[0].ss.pop_back());
TEST_rctSig_elements(mgSig_ss0_too_many, sig.MG.ss[0].push_back(sig.MG.ss[0].back())); TEST_rctSig_elements(mgSig_ss0_empty, sig.p.MGs[0].ss[0].resize(0));
TEST_rctSig_elements(mgSig_ss0_too_few, sig.MG.ss[0].pop_back()); TEST_rctSig_elements(mgSig_ss0_too_many, sig.p.MGs[0].ss[0].push_back(sig.p.MGs[0].ss[0].back()));
TEST_rctSig_elements(mgSig_II_empty, sig.MG.II.resize(0)); TEST_rctSig_elements(mgSig_ss0_too_few, sig.p.MGs[0].ss[0].pop_back());
TEST_rctSig_elements(mgSig_II_too_many, sig.MG.II.push_back(sig.MG.II.back())); TEST_rctSig_elements(mgSig_II_empty, sig.p.MGs[0].II.resize(0));
TEST_rctSig_elements(mgSig_II_too_few, sig.MG.II.pop_back()); TEST_rctSig_elements(mgSig_II_too_many, sig.p.MGs[0].II.push_back(sig.p.MGs[0].II.back()));
TEST_rctSig_elements(mgSig_II_too_few, sig.p.MGs[0].II.pop_back());
TEST_rctSig_elements(mixRing_empty, sig.mixRing.resize(0)); TEST_rctSig_elements(mixRing_empty, sig.mixRing.resize(0));
TEST_rctSig_elements(mixRing_too_many, sig.mixRing.push_back(sig.mixRing.back())); TEST_rctSig_elements(mixRing_too_many, sig.mixRing.push_back(sig.mixRing.back()));
TEST_rctSig_elements(mixRing_too_few, sig.mixRing.pop_back()); TEST_rctSig_elements(mixRing_too_few, sig.mixRing.pop_back());
@ -1021,21 +1022,21 @@ TEST(ringct, rctSig_##name##_simple) \
ASSERT_FALSE(rct::verRctSimple(sig)); \ ASSERT_FALSE(rct::verRctSimple(sig)); \
} }
TEST_rctSig_elements_simple(rangeSigs_empty, sig.rangeSigs.resize(0)); TEST_rctSig_elements_simple(rangeSigs_empty, sig.p.rangeSigs.resize(0));
TEST_rctSig_elements_simple(rangeSigs_too_many, sig.rangeSigs.push_back(sig.rangeSigs.back())); TEST_rctSig_elements_simple(rangeSigs_too_many, sig.p.rangeSigs.push_back(sig.p.rangeSigs.back()));
TEST_rctSig_elements_simple(rangeSigs_too_few, sig.rangeSigs.pop_back()); TEST_rctSig_elements_simple(rangeSigs_too_few, sig.p.rangeSigs.pop_back());
TEST_rctSig_elements_simple(mgSig_empty, sig.MGs.resize(0)); TEST_rctSig_elements_simple(mgSig_empty, sig.p.MGs.resize(0));
TEST_rctSig_elements_simple(mgSig_too_many, sig.MGs.push_back(sig.MGs.back())); TEST_rctSig_elements_simple(mgSig_too_many, sig.p.MGs.push_back(sig.p.MGs.back()));
TEST_rctSig_elements_simple(mgSig_too_few, sig.MGs.pop_back()); TEST_rctSig_elements_simple(mgSig_too_few, sig.p.MGs.pop_back());
TEST_rctSig_elements_simple(mgSig0_ss_empty, sig.MGs[0].ss.resize(0)); TEST_rctSig_elements_simple(mgSig0_ss_empty, sig.p.MGs[0].ss.resize(0));
TEST_rctSig_elements_simple(mgSig0_ss_too_many, sig.MGs[0].ss.push_back(sig.MGs[0].ss.back())); TEST_rctSig_elements_simple(mgSig0_ss_too_many, sig.p.MGs[0].ss.push_back(sig.p.MGs[0].ss.back()));
TEST_rctSig_elements_simple(mgSig0_ss_too_few, sig.MGs[0].ss.pop_back()); TEST_rctSig_elements_simple(mgSig0_ss_too_few, sig.p.MGs[0].ss.pop_back());
TEST_rctSig_elements_simple(mgSig_ss0_empty, sig.MGs[0].ss[0].resize(0)); TEST_rctSig_elements_simple(mgSig_ss0_empty, sig.p.MGs[0].ss[0].resize(0));
TEST_rctSig_elements_simple(mgSig_ss0_too_many, sig.MGs[0].ss[0].push_back(sig.MGs[0].ss[0].back())); TEST_rctSig_elements_simple(mgSig_ss0_too_many, sig.p.MGs[0].ss[0].push_back(sig.p.MGs[0].ss[0].back()));
TEST_rctSig_elements_simple(mgSig_ss0_too_few, sig.MGs[0].ss[0].pop_back()); TEST_rctSig_elements_simple(mgSig_ss0_too_few, sig.p.MGs[0].ss[0].pop_back());
TEST_rctSig_elements_simple(mgSig0_II_empty, sig.MGs[0].II.resize(0)); TEST_rctSig_elements_simple(mgSig0_II_empty, sig.p.MGs[0].II.resize(0));
TEST_rctSig_elements_simple(mgSig0_II_too_many, sig.MGs[0].II.push_back(sig.MGs[0].II.back())); TEST_rctSig_elements_simple(mgSig0_II_too_many, sig.p.MGs[0].II.push_back(sig.p.MGs[0].II.back()));
TEST_rctSig_elements_simple(mgSig0_II_too_few, sig.MGs[0].II.pop_back()); TEST_rctSig_elements_simple(mgSig0_II_too_few, sig.p.MGs[0].II.pop_back());
TEST_rctSig_elements_simple(mixRing_empty, sig.mixRing.resize(0)); TEST_rctSig_elements_simple(mixRing_empty, sig.mixRing.resize(0));
TEST_rctSig_elements_simple(mixRing_too_many, sig.mixRing.push_back(sig.mixRing.back())); TEST_rctSig_elements_simple(mixRing_too_many, sig.mixRing.push_back(sig.mixRing.back()));
TEST_rctSig_elements_simple(mixRing_too_few, sig.mixRing.pop_back()); TEST_rctSig_elements_simple(mixRing_too_few, sig.mixRing.pop_back());

25
tests/unit_tests/serialization.cpp
View File

@ -571,7 +571,7 @@ TEST(Serialization, serializes_ringct_types)
//compute rct data with mixin 500 //compute rct data with mixin 500
s0 = rct::genRct(rct::zero(), sc, pc, destinations, amounts, amount_keys, 3); s0 = rct::genRct(rct::zero(), sc, pc, destinations, amounts, amount_keys, 3);
mg0 = s0.MG; mg0 = s0.p.MGs[0];
ASSERT_TRUE(serialization::dump_binary(mg0, blob)); ASSERT_TRUE(serialization::dump_binary(mg0, blob));
ASSERT_TRUE(serialization::parse_binary(blob, mg1)); ASSERT_TRUE(serialization::parse_binary(blob, mg1));
ASSERT_TRUE(mg0.ss.size() == mg1.ss.size()); ASSERT_TRUE(mg0.ss.size() == mg1.ss.size());
@ -584,7 +584,7 @@ TEST(Serialization, serializes_ringct_types)
// mixRing and II are not serialized, they are meant to be reconstructed // mixRing and II are not serialized, they are meant to be reconstructed
ASSERT_TRUE(mg1.II.empty()); ASSERT_TRUE(mg1.II.empty());
rg0 = s0.rangeSigs.front(); rg0 = s0.p.rangeSigs.front();
ASSERT_TRUE(serialization::dump_binary(rg0, blob)); ASSERT_TRUE(serialization::dump_binary(rg0, blob));
ASSERT_TRUE(serialization::parse_binary(blob, rg1)); ASSERT_TRUE(serialization::parse_binary(blob, rg1));
ASSERT_TRUE(!memcmp(&rg0, &rg1, sizeof(rg0))); ASSERT_TRUE(!memcmp(&rg0, &rg1, sizeof(rg0)));
@ -592,19 +592,20 @@ TEST(Serialization, serializes_ringct_types)
ASSERT_TRUE(serialization::dump_binary(s0, blob)); ASSERT_TRUE(serialization::dump_binary(s0, blob));
ASSERT_TRUE(serialization::parse_binary(blob, s1)); ASSERT_TRUE(serialization::parse_binary(blob, s1));
ASSERT_TRUE(s0.type == s1.type); ASSERT_TRUE(s0.type == s1.type);
ASSERT_TRUE(s0.rangeSigs.size() == s1.rangeSigs.size()); ASSERT_TRUE(s0.p.rangeSigs.size() == s1.p.rangeSigs.size());
for (size_t n = 0; n < s0.rangeSigs.size(); ++n) for (size_t n = 0; n < s0.p.rangeSigs.size(); ++n)
{ {
ASSERT_TRUE(!memcmp(&s0.rangeSigs[n], &s1.rangeSigs[n], sizeof(s0.rangeSigs[n]))); ASSERT_TRUE(!memcmp(&s0.p.rangeSigs[n], &s1.p.rangeSigs[n], sizeof(s0.p.rangeSigs[n])));
} }
ASSERT_TRUE(s0.MG.ss.size() == s1.MG.ss.size()); ASSERT_TRUE(s0.p.MGs.size() == s1.p.MGs.size());
for (size_t n = 0; n < s0.MG.ss.size(); ++n) ASSERT_TRUE(s0.p.MGs[0].ss.size() == s1.p.MGs[0].ss.size());
for (size_t n = 0; n < s0.p.MGs[0].ss.size(); ++n)
{ {
ASSERT_TRUE(s0.MG.ss[n] == s1.MG.ss[n]); ASSERT_TRUE(s0.p.MGs[0].ss[n] == s1.p.MGs[0].ss[n]);
} }
ASSERT_TRUE(s0.MG.cc == s1.MG.cc); ASSERT_TRUE(s0.p.MGs[0].cc == s1.p.MGs[0].cc);
// mixRing and II are not serialized, they are meant to be reconstructed // mixRing and II are not serialized, they are meant to be reconstructed
ASSERT_TRUE(s1.MGs[0].II.empty()); ASSERT_TRUE(s1.p.MGs[0].II.empty());
// mixRing and II are not serialized, they are meant to be reconstructed // mixRing and II are not serialized, they are meant to be reconstructed
ASSERT_TRUE(s1.mixRing.size() == 0); ASSERT_TRUE(s1.mixRing.size() == 0);
@ -631,10 +632,10 @@ TEST(Serialization, serializes_ringct_types)
tx0.vin.push_back(txin_to_key2); tx0.vin.push_back(txin_to_key2);
tx0.vout.push_back(cryptonote::tx_out()); tx0.vout.push_back(cryptonote::tx_out());
tx0.rct_signatures = s0; tx0.rct_signatures = s0;
ASSERT_EQ(tx0.rct_signatures.rangeSigs.size(), 2); ASSERT_EQ(tx0.rct_signatures.p.rangeSigs.size(), 2);
ASSERT_TRUE(serialization::dump_binary(tx0, blob)); ASSERT_TRUE(serialization::dump_binary(tx0, blob));
ASSERT_TRUE(serialization::parse_binary(blob, tx1)); ASSERT_TRUE(serialization::parse_binary(blob, tx1));
ASSERT_EQ(tx1.rct_signatures.rangeSigs.size(), 2); ASSERT_EQ(tx1.rct_signatures.p.rangeSigs.size(), 2);
std::string blob2; std::string blob2;
ASSERT_TRUE(serialization::dump_binary(tx1, blob2)); ASSERT_TRUE(serialization::dump_binary(tx1, blob2));
ASSERT_TRUE(blob == blob2); ASSERT_TRUE(blob == blob2);