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-rw-r--r--src/rpc/blockchain.cpp9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 7b69c81ff9..6826ce4a79 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -43,10 +43,15 @@ static CUpdatedBlock latestblock;
extern void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry);
void ScriptPubKeyToJSON(const CScript& scriptPubKey, UniValue& out, bool fIncludeHex);
+/**
+ * Get the difficulty of the net wrt to the given block index, or the chain tip if
+ * not provided.
+ *
+ * @return A floating point number that is a multiple of the main net minimum
+ * difficulty (4295032833 hashes).
+ */
double GetDifficulty(const CBlockIndex* blockindex)
{
- // Floating point number that is a multiple of the minimum difficulty,
- // minimum difficulty = 1.0.
if (blockindex == NULL)
{
if (chainActive.Tip() == NULL)