diff options
Diffstat (limited to 'src/rpcblockchain.cpp')
| -rw-r--r-- | src/rpcblockchain.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp index 0ce18e4147..924f416904 100644 --- a/src/rpcblockchain.cpp +++ b/src/rpcblockchain.cpp @@ -496,13 +496,21 @@ Value getchaintips(const Array& params, bool fHelp) " \"height\": xxxx, (numeric) height of the chain tip\n" " \"hash\": \"xxxx\", (string) block hash of the tip\n" " \"branchlen\": 0 (numeric) zero for main chain\n" + " \"status\": \"active\" (string) \"active\" for the main chain\n" " },\n" " {\n" " \"height\": xxxx,\n" " \"hash\": \"xxxx\",\n" " \"branchlen\": 1 (numeric) length of branch connecting the tip to the main chain\n" + " \"status\": \"xxxx\" (string) status of the chain (active, valid-fork, valid-headers, headers-only, invalid)\n" " }\n" "]\n" + "Possible values for status:\n" + "1. \"invalid\" This branch contains at least one invalid block\n" + "2. \"headers-only\" Not all blocks for this branch are available, but the headers are valid\n" + "3. \"valid-headers\" All blocks are available for this branch, but they were never fully validated\n" + "4. \"valid-fork\" This branch is not part of the active chain, but is fully validated\n" + "5. \"active\" This is the tip of the active main chain, which is certainly valid\n" "\nExamples:\n" + HelpExampleCli("getchaintips", "") + HelpExampleRpc("getchaintips", "") @@ -521,6 +529,9 @@ Value getchaintips(const Array& params, bool fHelp) setTips.erase(pprev); } + // Always report the currently active tip. + setTips.insert(chainActive.Tip()); + /* Construct the output array. */ Array res; BOOST_FOREACH(const CBlockIndex* block, setTips) @@ -532,6 +543,28 @@ Value getchaintips(const Array& params, bool fHelp) 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"; + } + obj.push_back(Pair("status", status)); + res.push_back(obj); } |