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Return height of last block pruned by pruneblockchain RPC

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Change suggested by Jonas Schnelli <dev@jonasschnelli.ch> in
https://github.com/bitcoin/bitcoin/pull/7871#discussion_r95577623
This commit is contained in:
Russell Yanofsky
2017-01-11 14:25:32 -05:00
parent e2e624d9ce
commit 918d1fb86b
2 changed files with 32 additions and 8 deletions
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13
src/rpc/blockchain.cpp
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@@ -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)