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-rw-r--r--src/rpc/blockchain.cpp19
-rw-r--r--src/test/blockchain_tests.cpp7
2 files changed, 8 insertions, 18 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index d698b5779f..abab731ea7 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -58,10 +58,7 @@ static CUpdatedBlock latestblock;
*/
double GetDifficulty(const CBlockIndex* blockindex)
{
- if (blockindex == nullptr)
- {
- return 1.0;
- }
+ assert(blockindex);
int nShift = (blockindex->nBits >> 24) & 0xff;
double dDiff =
@@ -1247,20 +1244,21 @@ UniValue getblockchaininfo(const JSONRPCRequest& request)
LOCK(cs_main);
+ const CBlockIndex* tip = chainActive.Tip();
UniValue obj(UniValue::VOBJ);
obj.pushKV("chain", Params().NetworkIDString());
obj.pushKV("blocks", (int)chainActive.Height());
obj.pushKV("headers", pindexBestHeader ? pindexBestHeader->nHeight : -1);
- obj.pushKV("bestblockhash", chainActive.Tip()->GetBlockHash().GetHex());
- obj.pushKV("difficulty", (double)GetDifficulty(chainActive.Tip()));
- obj.pushKV("mediantime", (int64_t)chainActive.Tip()->GetMedianTimePast());
- obj.pushKV("verificationprogress", GuessVerificationProgress(Params().TxData(), chainActive.Tip()));
+ obj.pushKV("bestblockhash", tip->GetBlockHash().GetHex());
+ obj.pushKV("difficulty", (double)GetDifficulty(tip));
+ obj.pushKV("mediantime", (int64_t)tip->GetMedianTimePast());
+ obj.pushKV("verificationprogress", GuessVerificationProgress(Params().TxData(), tip));
obj.pushKV("initialblockdownload", IsInitialBlockDownload());
- obj.pushKV("chainwork", chainActive.Tip()->nChainWork.GetHex());
+ obj.pushKV("chainwork", tip->nChainWork.GetHex());
obj.pushKV("size_on_disk", CalculateCurrentUsage());
obj.pushKV("pruned", fPruneMode);
if (fPruneMode) {
- CBlockIndex* block = chainActive.Tip();
+ const CBlockIndex* block = tip;
assert(block);
while (block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA)) {
block = block->pprev;
@@ -1277,7 +1275,6 @@ UniValue getblockchaininfo(const JSONRPCRequest& request)
}
const Consensus::Params& consensusParams = Params().GetConsensus();
- CBlockIndex* tip = chainActive.Tip();
UniValue softforks(UniValue::VARR);
UniValue bip9_softforks(UniValue::VOBJ);
softforks.push_back(SoftForkDesc("bip34", 2, tip, consensusParams));
diff --git a/src/test/blockchain_tests.cpp b/src/test/blockchain_tests.cpp
index 7d8ae46fb8..b61152985f 100644
--- a/src/test/blockchain_tests.cpp
+++ b/src/test/blockchain_tests.cpp
@@ -68,11 +68,4 @@ BOOST_AUTO_TEST_CASE(get_difficulty_for_very_high_target)
TestDifficulty(0x12345678, 5913134931067755359633408.0);
}
-// Verify that difficulty is 1.0 for an empty chain.
-BOOST_AUTO_TEST_CASE(get_difficulty_for_null_tip)
-{
- double difficulty = GetDifficulty(nullptr);
- RejectDifficultyMismatch(difficulty, 1.0);
-}
-
BOOST_AUTO_TEST_SUITE_END()