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Split JoinSplit proof verification out of CheckTransaction.

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This commit is contained in:
Taylor Hornby
2016-06-23 16:35:31 -06:00
parent cea9f58791
commit 948d4e6c10
6 changed files with 62 additions and 44 deletions
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27
src/main.cpp
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@@ -870,8 +870,23 @@ crypto_sign_check_S_lt_l(const unsigned char *S)
}
bool CheckTransaction(const CTransaction& tx, CValidationState &state)
{
if (!CheckTransactionWithoutProofVerification(tx, state)) {
return false;
} else {
// Ensure that zk-SNARKs verify
BOOST_FOREACH(const CPourTx &pour, tx.vpour) {
if (!pour.Verify(*pzcashParams, tx.joinSplitPubKey)) {
return state.DoS(100, error("CheckTransaction(): pour does not verify"),
REJECT_INVALID, "bad-txns-pour-verification-failed");
}
}
return true;
}
}
bool CheckTransactionWithoutProofVerification(const CTransaction& tx, CValidationState &state)
{
// Basic checks that don't depend on any context
@@ -1008,16 +1023,6 @@ bool CheckTransaction(const CTransaction& tx, CValidationState &state)
return state.DoS(100, error("CheckTransaction(): non-canonical ed25519 signature"),
REJECT_INVALID, "non-canonical-ed25519-signature");
}
if (state.PerformPourVerification()) {
// Ensure that zk-SNARKs verify
BOOST_FOREACH(const CPourTx &pour, tx.vpour) {
if (!pour.Verify(*pzcashParams, tx.joinSplitPubKey)) {
return state.DoS(100, error("CheckTransaction(): pour does not verify"),
REJECT_INVALID, "bad-txns-pour-verification-failed");
}
}
}
}
}