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SIGHASH_RANGEPROOF and asset issuance rangeproofs

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This commit is contained in:
Andrew Poelstra 2021-09-20 20:46:45 +00:00
parent d4a0b6285a
commit cf4136b3b0
1 changed files with 12 additions and 0 deletions
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12
src/validation.cpp
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@ -750,6 +750,18 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws)
return false; // state filled in by CheckTxInputs
}
// ELEMENTS: extra policy check for consistency between issuances and their rangeproof
if (fRequireStandard) {
for (unsigned i = 0; i < std::min(tx.witness.vtxinwit.size(), tx.vin.size()); i++) {
if (!tx.vin[i].assetIssuance.nAmount.IsCommitment() && !tx.witness.vtxinwit[i].vchIssuanceAmountRangeproof.empty()) {
return state.Invalid(TxValidationResult::TX_INPUTS_NOT_STANDARD, "bad-txin-extra-issuance-rangeproof");
}
if (!tx.vin[i].assetIssuance.nInflationKeys.IsCommitment() && !tx.witness.vtxinwit[i].vchInflationKeysRangeproof.empty()) {
return state.Invalid(TxValidationResult::TX_INPUTS_NOT_STANDARD, "bad-txin-extra-inflation-rangeproof");
}
}
}
// Check for non-standard pay-to-script-hash in inputs
const auto& params = args.m_chainparams.GetConsensus();
auto taproot_state = VersionBitsState(::ChainActive().Tip(), params, Consensus::DEPLOYMENT_TAPROOT, versionbitscache);