rpc: fix getrawtransaction segfault

The crash would happen when querying a mempool transaction with verbosity=2, while pruning.

Github-Pull: #29003
Rebased-From: 494a926d05
This commit is contained in:
Martin Zumsande 2023-12-05 13:07:39 -05:00 committed by fanquake
parent b86285df1f
commit 041228d293
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@ -310,7 +310,7 @@ static RPCHelpMan getrawtransaction()
LOCK(cs_main);
blockindex = chainman.m_blockman.LookupBlockIndex(hash_block);
}
if (verbosity == 1) {
if (verbosity == 1 || !blockindex) {
TxToJSON(*tx, hash_block, result, chainman.ActiveChainstate());
return result;
}
@ -319,8 +319,7 @@ static RPCHelpMan getrawtransaction()
CBlock block;
const bool is_block_pruned{WITH_LOCK(cs_main, return chainman.m_blockman.IsBlockPruned(blockindex))};
if (tx->IsCoinBase() ||
!blockindex || is_block_pruned ||
if (tx->IsCoinBase() || is_block_pruned ||
!(UndoReadFromDisk(blockUndo, blockindex) && ReadBlockFromDisk(block, blockindex, Params().GetConsensus()))) {
TxToJSON(*tx, hash_block, result, chainman.ActiveChainstate());
return result;