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plug bulletproofs plus into consensus

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This commit is contained in:
moneromooo-monero
2021-06-27 13:47:33 +03:00
committed by wowario
parent 47d7d0751e
commit fa3856fedf
25 changed files with 1135 additions and 143 deletions
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src/ringct/rctTypes.cpp
+76
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@@ -197,6 +197,7 @@ namespace rct {
case RCTTypeBulletproof:
case RCTTypeBulletproof2:
case RCTTypeCLSAG:
case RCTTypeBulletproofPlus:
return true;
default:
return false;
@@ -235,6 +236,17 @@ namespace rct {
return is_rct_bulletproof(type) && !is_rct_old_bulletproof(type);
}
bool is_rct_bulletproof_plus(int type)
{
switch (type)
{
case RCTTypeBulletproofPlus:
return true;
default:
return false;
}
}
bool is_rct_borromean(int type)
{
switch (type)
@@ -266,6 +278,19 @@ namespace rct {
}
return n;
}
bool is_rct_clsag(int type)
{
switch (type)
{
case RCTTypeCLSAG:
case RCTTypeBulletproofPlus:
return true;
default:
return false;
}
}
size_t n_bulletproof_amounts(const Bulletproof &proof)
{
CHECK_AND_ASSERT_MES(proof.L.size() >= 6, 0, "Invalid bulletproof L size");
@@ -317,4 +342,55 @@ namespace rct {
return n;
}
size_t n_bulletproof_plus_amounts(const BulletproofPlus &proof)
{
CHECK_AND_ASSERT_MES(proof.L.size() >= 6, 0, "Invalid bulletproof L size");
CHECK_AND_ASSERT_MES(proof.L.size() == proof.R.size(), 0, "Mismatched bulletproof L/R size");
static const size_t extra_bits = 4;
static_assert((1 << extra_bits) == BULLETPROOF_PLUS_MAX_OUTPUTS, "log2(BULLETPROOF_PLUS_MAX_OUTPUTS) is out of date");
CHECK_AND_ASSERT_MES(proof.L.size() <= 6 + extra_bits, 0, "Invalid bulletproof L size");
CHECK_AND_ASSERT_MES(proof.V.size() <= (1u<<(proof.L.size()-6)), 0, "Invalid bulletproof V/L");
CHECK_AND_ASSERT_MES(proof.V.size() * 2 > (1u<<(proof.L.size()-6)), 0, "Invalid bulletproof V/L");
CHECK_AND_ASSERT_MES(proof.V.size() > 0, 0, "Empty bulletproof");
return proof.V.size();
}
size_t n_bulletproof_plus_amounts(const std::vector<BulletproofPlus> &proofs)
{
size_t n = 0;
for (const BulletproofPlus &proof: proofs)
{
size_t n2 = n_bulletproof_plus_amounts(proof);
CHECK_AND_ASSERT_MES(n2 < std::numeric_limits<uint32_t>::max() - n, 0, "Invalid number of bulletproofs");
if (n2 == 0)
return 0;
n += n2;
}
return n;
}
size_t n_bulletproof_plus_max_amounts(const BulletproofPlus &proof)
{
CHECK_AND_ASSERT_MES(proof.L.size() >= 6, 0, "Invalid bulletproof L size");
CHECK_AND_ASSERT_MES(proof.L.size() == proof.R.size(), 0, "Mismatched bulletproof L/R size");
static const size_t extra_bits = 4;
static_assert((1 << extra_bits) == BULLETPROOF_PLUS_MAX_OUTPUTS, "log2(BULLETPROOF_PLUS_MAX_OUTPUTS) is out of date");
CHECK_AND_ASSERT_MES(proof.L.size() <= 6 + extra_bits, 0, "Invalid bulletproof L size");
return 1 << (proof.L.size() - 6);
}
size_t n_bulletproof_plus_max_amounts(const std::vector<BulletproofPlus> &proofs)
{
size_t n = 0;
for (const BulletproofPlus &proof: proofs)
{
size_t n2 = n_bulletproof_plus_max_amounts(proof);
CHECK_AND_ASSERT_MES(n2 < std::numeric_limits<uint32_t>::max() - n, 0, "Invalid number of bulletproofs");
if (n2 == 0)
return 0;
n += n2;
}
return n;
}
}