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Reject issuances with explicit values but non-empty range proofs

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This commit is contained in:
Tim Ruffing 2018-05-22 16:54:43 +02:00
parent 5ad7e17034
commit 7ad4d950a4
1 changed files with 4 additions and 0 deletions
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4
src/validation.cpp
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@ -719,6 +719,10 @@ static bool VerifyIssuanceAmount(secp256k1_pedersen_commitment& commit, secp256k
if (!MoneyRange(value.GetAmount()) || value.GetAmount() == 0) {
return false;
}
if (!vchRangeproof.empty()) {
return false;
}
ret = secp256k1_pedersen_commit(secp256k1_ctx_verify_amounts, &commit, explBlinds, value.GetAmount(), &gen);
// The explBlinds are all 0, and the amount is not 0. So secp256k1_pedersen_commit does not fail.