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Delete sprout code from HaveJoinSplitRequirements and log reasons for failing reqs to stderr

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This commit is contained in:
Jonathan "Duke" Leto
2019-11-14 14:26:31 -08:00
parent f0cb8ba145
commit a40f0b0f19
1 changed files with 2 additions and 29 deletions
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31
src/coins.cpp
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@@ -622,41 +622,14 @@ CAmount CCoinsViewCache::GetValueIn(int32_t nHeight,int64_t *interestp,const CTr
bool CCoinsViewCache::HaveJoinSplitRequirements(const CTransaction& tx) const
{
boost::unordered_map<uint256, SproutMerkleTree, CCoinsKeyHasher> intermediates;
BOOST_FOREACH(const JSDescription &joinsplit, tx.vjoinsplit)
{
BOOST_FOREACH(const uint256& nullifier, joinsplit.nullifiers)
{
if (GetNullifier(nullifier, SPROUT)) {
// If the nullifier is set, this transaction
// double-spends!
return false;
}
}
SproutMerkleTree tree;
auto it = intermediates.find(joinsplit.anchor);
if (it != intermediates.end()) {
tree = it->second;
} else if (!GetSproutAnchorAt(joinsplit.anchor, tree)) {
return false;
}
BOOST_FOREACH(const uint256& commitment, joinsplit.commitments)
{
tree.append(commitment);
}
intermediates.insert(std::make_pair(tree.root(), tree));
}
for (const SpendDescription &spendDescription : tx.vShieldedSpend) {
if (GetNullifier(spendDescription.nullifier, SAPLING)) // Prevent double spends
fprintf(stderr,"%s: sapling nullifier %s exists, preventing double spend\n", __FUNCTION__, spendDescription.nullifier);
return false;
SaplingMerkleTree tree;
if (!GetSaplingAnchorAt(spendDescription.anchor, tree)) {
fprintf(stderr,"%s: missing sapling anchor: %s \n", __FUNCTION__, spendDescription.anchor);
return false;
}
}