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-rw-r--r--src/rpc/blockchain.cpp13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index caa92bef9d..f7cbd04664 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -820,7 +820,12 @@ UniValue pruneblockchain(const JSONRPCRequest& request)
throw runtime_error(
"pruneblockchain\n"
"\nArguments:\n"
- "1. \"height\" (numeric, required) The block height to prune up to. May be set to a discrete height, or to a unix timestamp to prune based on block time.\n");
+ "1. \"height\" (numeric, required) The block height to prune up to. May be set to a discrete height, or to a unix timestamp to prune based on block time.\n"
+ "\nResult:\n"
+ "n (numeric) Height of the last block pruned.\n"
+ "\nExamples:\n"
+ + HelpExampleCli("pruneblockchain", "1000")
+ + HelpExampleRpc("pruneblockchain", "1000"));
if (!fPruneMode)
throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Cannot prune blocks because node is not in prune mode.");
@@ -847,11 +852,13 @@ UniValue pruneblockchain(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INTERNAL_ERROR, "Blockchain is too short for pruning.");
else if (height > chainHeight)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Blockchain is shorter than the attempted prune height.");
- else if (height > chainHeight - MIN_BLOCKS_TO_KEEP)
+ else if (height > chainHeight - MIN_BLOCKS_TO_KEEP) {
LogPrint("rpc", "Attempt to prune blocks close to the tip. Retaining the minimum number of blocks.");
+ height = chainHeight - MIN_BLOCKS_TO_KEEP;
+ }
PruneBlockFilesManual(height);
- return NullUniValue;
+ return uint64_t(height);
}
UniValue gettxoutsetinfo(const JSONRPCRequest& request)