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Getchaintips error checks

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This commit is contained in:
jl777
2017-09-28 22:08:32 +03:00
parent b3dd3690f1
commit a6df99fc9c
1 changed files with 31 additions and 27 deletions
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58
src/rpcblockchain.cpp
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@@ -1055,7 +1055,9 @@ UniValue getchaintips(const UniValue& params, bool fHelp)
setTips.insert(item.second);
BOOST_FOREACH(const PAIRTYPE(const uint256, CBlockIndex*)& item, mapBlockIndex)
{
const CBlockIndex* pprev = item.second->pprev;
const CBlockIndex* pprev=0;
if ( item.second != 0 )
pprev = item.second->pprev;
if (pprev)
setTips.erase(pprev);
}
@@ -1064,38 +1066,40 @@ UniValue getchaintips(const UniValue& params, bool fHelp)
setTips.insert(chainActive.Tip());
/* Construct the output array. */
UniValue res(UniValue::VARR);
UniValue res(UniValue::VARR); CBlockIndex *forked;
BOOST_FOREACH(const CBlockIndex* block, setTips)
{
UniValue obj(UniValue::VOBJ);
obj.push_back(Pair("height", block->nHeight));
obj.push_back(Pair("hash", block->phashBlock->GetHex()));
const int branchLen = block->nHeight - chainActive.FindFork(block)->nHeight;
obj.push_back(Pair("branchlen", branchLen));
string status;
if (chainActive.Contains(block)) {
// This block is part of the currently active chain.
status = "active";
} else if (block->nStatus & BLOCK_FAILED_MASK) {
// This block or one of its ancestors is invalid.
status = "invalid";
} else if (block->nChainTx == 0) {
// This block cannot be connected because full block data for it or one of its parents is missing.
status = "headers-only";
} else if (block->IsValid(BLOCK_VALID_SCRIPTS)) {
// This block is fully validated, but no longer part of the active chain. It was probably the active block once, but was reorganized.
status = "valid-fork";
} else if (block->IsValid(BLOCK_VALID_TREE)) {
// The headers for this block are valid, but it has not been validated. It was probably never part of the most-work chain.
status = "valid-headers";
} else {
// No clue.
status = "unknown";
forked = chainActive.FindFork(block);
if ( forked != 0 )
{
const int branchLen = block->nHeight - forked->nHeight;
obj.push_back(Pair("branchlen", branchLen));
string status;
if (chainActive.Contains(block)) {
// This block is part of the currently active chain.
status = "active";
} else if (block->nStatus & BLOCK_FAILED_MASK) {
// This block or one of its ancestors is invalid.
status = "invalid";
} else if (block->nChainTx == 0) {
// This block cannot be connected because full block data for it or one of its parents is missing.
status = "headers-only";
} else if (block->IsValid(BLOCK_VALID_SCRIPTS)) {
// This block is fully validated, but no longer part of the active chain. It was probably the active block once, but was reorganized.
status = "valid-fork";
} else if (block->IsValid(BLOCK_VALID_TREE)) {
// The headers for this block are valid, but it has not been validated. It was probably never part of the most-work chain.
status = "valid-headers";
} else {
// No clue.
status = "unknown";
}
obj.push_back(Pair("status", status));
}
obj.push_back(Pair("status", status));
res.push_back(obj);
}