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Ensure that input witness is present before accessing range proofs

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This commit is contained in:
Tim Ruffing 2018-05-22 10:11:23 +02:00
parent 670229e060
commit 42b62ac285
1 changed files with 6 additions and 0 deletions
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6
src/validation.cpp
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@ -854,6 +854,9 @@ bool VerifyAmounts(const CCoinsViewCache& cache, const CTransaction& tx, std::ve
return false;
}
if (!issuance.nAmount.IsNull()) {
if (i >= tx.wit.vtxinwit.size()) {
return false;
}
if (!VerifyIssuanceAmount(commit, gen, assetID, issuance.nAmount, tx.wit.vtxinwit[i].vchIssuanceAmountRangeproof, pvChecks, cacheStore)) {
return false;
}
@ -878,6 +881,9 @@ bool VerifyAmounts(const CCoinsViewCache& cache, const CTransaction& tx, std::ve
return false;
}
if (i >= tx.wit.vtxinwit.size()) {
return false;
}
if (!VerifyIssuanceAmount(commit, gen, assetTokenID, issuance.nInflationKeys, tx.wit.vtxinwit[i].vchInflationKeysRangeproof, pvChecks, cacheStore)) {
return false;
}