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rct: change the simple flag to a type

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for future expansion
This commit is contained in:
moneromooo-monero 2016-08-08 13:49:42 +01:00
parent c5be4b0bea
commit 3ab2ab3e76
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
8 changed files with 46 additions and 25 deletions
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12
src/ringct/rctSigs.cpp
View file

@ -563,7 +563,7 @@ namespace rct {
}
rctSig rv;
rv.simple = false;
rv.type = RCTTypeFull;
rv.outPk.resize(destinations.size());
rv.rangeSigs.resize(destinations.size());
rv.ecdhInfo.resize(destinations.size());
@ -625,7 +625,7 @@ namespace rct {
}
rctSig rv;
rv.simple = true;
rv.type = RCTTypeSimple;
rv.message = message;
rv.outPk.resize(destinations.size());
rv.rangeSigs.resize(destinations.size());
@ -700,7 +700,7 @@ namespace rct {
// uses the attached ecdh info to find the amounts represented by each output commitment
// must know the destination private key to find the correct amount, else will return a random number
bool verRct(const rctSig & rv, const ctkeyM &mixRing, const keyV &II, const ctkeyV &outPk, const key &message) {
CHECK_AND_ASSERT_MES(!rv.simple, false, "verRct called on simple rctSig");
CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull, false, "verRct called on non-full rctSig");
CHECK_AND_ASSERT_MES(outPk.size() == rv.rangeSigs.size(), false, "Mismatched sizes of outPk and rv.rangeSigs");
CHECK_AND_ASSERT_MES(outPk.size() == rv.ecdhInfo.size(), false, "Mismatched sizes of outPk and rv.ecdhInfo");
@ -739,7 +739,7 @@ namespace rct {
size_t i = 0;
bool rvb = true;
CHECK_AND_ASSERT_MES(rv.simple, 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(outPk.size() == rv.rangeSigs.size(), false, "Mismatched sizes of outPk and rv.rangeSigs");
CHECK_AND_ASSERT_MES(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");
@ -803,7 +803,7 @@ namespace rct {
// uses the attached ecdh info to find the amounts represented by each output commitment
// must know the destination private key to find the correct amount, else will return a random number
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.simple, false, "decodeRct called on simple 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.outPk.size() == rv.rangeSigs.size(), "Mismatched sizes of rv.outPk and rv.rangeSigs");
CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index");
@ -840,7 +840,7 @@ namespace rct {
}
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.simple, 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.outPk.size() == rv.rangeSigs.size(), "Mismatched sizes of rv.outPk and rv.rangeSigs");
CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index");

12
src/ringct/rctTypes.h
View file

@ -173,8 +173,12 @@ namespace rct {
// ecdhInfo holds an encoded mask / amount to be passed to each receiver
// outPk contains public keypairs which are destinations (P, C),
// P = address, C = commitment to amount
enum {
RCTTypeFull = 0,
RCTTypeSimple = 1,
};
struct rctSig {
bool simple;
uint8_t type;
key message;
vector<rangeSig> rangeSigs;
mgSig MG; // for non simple rct
@ -187,15 +191,15 @@ namespace rct {
xmr_amount txnFee; // contains b
BEGIN_SERIALIZE_OBJECT()
FIELD(simple)
FIELD(type)
// FIELD(message) - not serialized, it can be reconstructed
FIELD(rangeSigs)
if (simple)
if (type == RCTTypeSimple)
FIELD(MGs)
else
FIELD(MG)
// FIELD(mixRing) - not serialized, it can be reconstructed
if (simple)
if (type == RCTTypeSimple)
FIELD(pseudoOuts)
FIELD(ecdhInfo)
if (typename Archive<W>::is_saving()) {