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Only return active protocol components from z_gettreestate.
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This adds checks that exclude both the Sapling and Orchard
portions of the result if the associated network upgrades
are not yet active.

Fixes zcash#5957
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nuttycom committed May 17, 2022
1 parent 09b02be commit c44e58e
Showing 1 changed file with 32 additions and 28 deletions.
60 changes: 32 additions & 28 deletions src/rpc/blockchain.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1316,20 +1316,22 @@ UniValue z_gettreestate(const UniValue& params, bool fHelp)
UniValue sapling_result(UniValue::VOBJ);
UniValue sapling_commitments(UniValue::VOBJ);
sapling_commitments.pushKV("finalRoot", pindex->hashFinalSaplingRoot.GetHex());
bool need_skiphash = false;
SaplingMerkleTree tree;
if (pcoinsTip->GetSaplingAnchorAt(pindex->hashFinalSaplingRoot, tree)) {
CDataStream s(SER_NETWORK, PROTOCOL_VERSION);
s << tree;
sapling_commitments.pushKV("finalState", HexStr(s.begin(), s.end()));
} else {
// Set skipHash to the most recent block that has a finalState.
const CBlockIndex* pindex_skip = pindex->pprev;
while (pindex_skip && !pcoinsTip->GetSaplingAnchorAt(pindex_skip->hashFinalSaplingRoot, tree)) {
pindex_skip = pindex_skip->pprev;
}
if (pindex_skip) {
sapling_result.pushKV("skipHash", pindex_skip->GetBlockHash().GetHex());
if (Params().GetConsensus().NetworkUpgradeActive(pindex->nHeight, Consensus::UPGRADE_SAPLING)) {
bool need_skiphash = false;
SaplingMerkleTree tree;
if (pcoinsTip->GetSaplingAnchorAt(pindex->hashFinalSaplingRoot, tree)) {
CDataStream s(SER_NETWORK, PROTOCOL_VERSION);
s << tree;
sapling_commitments.pushKV("finalState", HexStr(s.begin(), s.end()));
} else {
// Set skipHash to the most recent block that has a finalState.
const CBlockIndex* pindex_skip = pindex->pprev;
while (pindex_skip && !pcoinsTip->GetSaplingAnchorAt(pindex_skip->hashFinalSaplingRoot, tree)) {
pindex_skip = pindex_skip->pprev;
}
if (pindex_skip) {
sapling_result.pushKV("skipHash", pindex_skip->GetBlockHash().GetHex());
}
}
}
sapling_result.pushKV("commitments", sapling_commitments);
Expand All @@ -1341,20 +1343,22 @@ UniValue z_gettreestate(const UniValue& params, bool fHelp)
UniValue orchard_result(UniValue::VOBJ);
UniValue orchard_commitments(UniValue::VOBJ);
orchard_commitments.pushKV("finalRoot", pindex->hashFinalOrchardRoot.GetHex());
bool need_skiphash = false;
OrchardMerkleFrontier tree;
if (pcoinsTip->GetOrchardAnchorAt(pindex->hashFinalOrchardRoot, tree)) {
CDataStream s(SER_NETWORK, PROTOCOL_VERSION);
s << OrchardMerkleFrontierLegacySer(tree);
orchard_commitments.pushKV("finalState", HexStr(s.begin(), s.end()));
} else {
// Set skipHash to the most recent block that has a finalState.
const CBlockIndex* pindex_skip = pindex->pprev;
while (pindex_skip && !pcoinsTip->GetOrchardAnchorAt(pindex_skip->hashFinalOrchardRoot, tree)) {
pindex_skip = pindex_skip->pprev;
}
if (pindex_skip) {
orchard_result.pushKV("skipHash", pindex_skip->GetBlockHash().GetHex());
if (Params().GetConsensus().NetworkUpgradeActive(pindex->nHeight, Consensus::UPGRADE_NU5)) {
bool need_skiphash = false;
OrchardMerkleFrontier tree;
if (pcoinsTip->GetOrchardAnchorAt(pindex->hashFinalOrchardRoot, tree)) {
CDataStream s(SER_NETWORK, PROTOCOL_VERSION);
s << OrchardMerkleFrontierLegacySer(tree);
orchard_commitments.pushKV("finalState", HexStr(s.begin(), s.end()));
} else {
// Set skipHash to the most recent block that has a finalState.
const CBlockIndex* pindex_skip = pindex->pprev;
while (pindex_skip && !pcoinsTip->GetOrchardAnchorAt(pindex_skip->hashFinalOrchardRoot, tree)) {
pindex_skip = pindex_skip->pprev;
}
if (pindex_skip) {
orchard_result.pushKV("skipHash", pindex_skip->GetBlockHash().GetHex());
}
}
}
orchard_result.pushKV("commitments", orchard_commitments);
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