WIP: added get_info for cryptonote.

src/rpc/blockchain.cpp

@@ -20,6 +20,7 @@
 #include <streams.h>
 #include <sync.h>
 #include <txdb.h>
+#include <net.h>
 #include <txmempool.h>
 #include <util.h>
 #include <utilstrencodings.h>
@@ -1383,6 +1384,76 @@ UniValue getblockchaininfo(const JSONRPCRequest& request)
     return obj;
 }
 
+extern std::unique_ptr<CConnman> g_connman;
+
+// Cryptonote RPC call
+UniValue get_info(const JSONRPCRequest& request)
+{
+    if (request.fHelp || request.params.size() != 0)
+        throw std::runtime_error(
+            "get_info\n"
+            "Returns an object containing various state info regarding blockchain processing.\n"
+            "\nResult:\n"
+            "{\n"
+            "  \"chain\": \"xxxx\",              (string) current network name as defined in BIP70 (main, test, regtest)\n"
+            "  \"blocks\": xxxxxx,             (numeric) the current number of blocks processed in the server\n"
+            "  \"headers\": xxxxxx,            (numeric) the current number of headers we have validated\n"
+            "  \"bestblockhash\": \"...\",       (string) the hash of the currently best block\n"
+            "  \"difficulty\": xxxxxx,         (numeric) the current difficulty\n"
+            "  \"mediantime\": xxxxxx,         (numeric) median time for the current best block\n"
+            "  \"verificationprogress\": xxxx, (numeric) estimate of verification progress [0..1]\n"
+            "  \"initialblockdownload\": xxxx, (bool) (debug information) estimate of whether this node is in Initial Block Download mode.\n"
+            "  \"chainwork\": \"xxxx\"           (string) total amount of work in active chain, in hexadecimal\n"
+            "  \"size_on_disk\": xxxxxx,       (numeric) the estimated size of the block and undo files on disk\n"
+            "  \"pruned\": xx,                 (boolean) if the blocks are subject to pruning\n"
+            "  \"pruneheight\": xxxxxx,        (numeric) lowest-height complete block stored (only present if pruning is enabled)\n"
+            "  \"automatic_pruning\": xx,      (boolean) whether automatic pruning is enabled (only present if pruning is enabled)\n"
+            "  \"prune_target_size\": xxxxxx,  (numeric) the target size used by pruning (only present if automatic pruning is enabled)\n"
+            "  \"softforks\": [                (array) status of softforks in progress\n"
+            "     {\n"
+            "        \"id\": \"xxxx\",           (string) name of softfork\n"
+            "        \"version\": xx,          (numeric) block version\n"
+            "        \"reject\": {             (object) progress toward rejecting pre-softfork blocks\n"
+            "           \"status\": xx,        (boolean) true if threshold reached\n"
+            "        },\n"
+            "     }, ...\n"
+            "  ],\n"
+            "  \"bip9_softforks\": {           (object) status of BIP9 softforks in progress\n"
+            "     \"xxxx\" : {                 (string) name of the softfork\n"
+            "        \"status\": \"xxxx\",       (string) one of \"defined\", \"started\", \"locked_in\", \"active\", \"failed\"\n"
+            "        \"bit\": xx,              (numeric) the bit (0-28) in the block version field used to signal this softfork (only for \"started\" status)\n"
+            "        \"startTime\": xx,        (numeric) the minimum median time past of a block at which the bit gains its meaning\n"
+            "        \"timeout\": xx,          (numeric) the median time past of a block at which the deployment is considered failed if not yet locked in\n"
+            "        \"since\": xx,            (numeric) height of the first block to which the status applies\n"
+            "        \"statistics\": {         (object) numeric statistics about BIP9 signalling for a softfork (only for \"started\" status)\n"
+            "           \"period\": xx,        (numeric) the length in blocks of the BIP9 signalling period \n"
+            "           \"threshold\": xx,     (numeric) the number of blocks with the version bit set required to activate the feature \n"
+            "           \"elapsed\": xx,       (numeric) the number of blocks elapsed since the beginning of the current period \n"
+            "           \"count\": xx,         (numeric) the number of blocks with the version bit set in the current period \n"
+            "           \"possible\": xx       (boolean) returns false if there are not enough blocks left in this period to pass activation threshold \n"
+            "        }\n"
+            "     }\n"
+            "  }\n"
+            "  \"warnings\" : \"...\",           (string) any network and blockchain warnings.\n"
+            "}\n"
+            "\nExamples:\n"
+            + HelpExampleCli("getblockchaininfo", "")
+            + HelpExampleRpc("getblockchaininfo", "")
+        );
+
+    LOCK(cs_main);
+    UniValue obj(UniValue::VOBJ);
+    obj.push_back(Pair("mainnet",               Params().NetworkIDString() == "main"));
+    obj.push_back(Pair("testnet",               Params().NetworkIDString() == "test"));
+    obj.push_back(Pair("height",                (int)chainActive.Height()));
+    obj.push_back(Pair("incoming_connections_count",         g_connman->GetNodeCount(CConnman::CONNECTIONS_IN)));
+    obj.push_back(Pair("outgoing_connections_count",         g_connman->GetNodeCount(CConnman::CONNECTIONS_OUT)));
+    obj.push_back(Pair("difficulty",            (uint64_t)round(GetDifficulty())));
+    obj.push_back(Pair("tx_pool_size",          (int64_t) mempool.size()));
+    obj.push_back(Pair("status",                "OK"));
+    return obj;
+}
+
 /** Comparison function for sorting the getchaintips heads.  */
 struct CompareBlocksByHeight
 {
@@ -1777,6 +1848,7 @@ static const CRPCCommand commands[] =
     // Cryptonote RPC APIs, used for mining pool.
     { "blockchain",         "getlastblockheader",     &getlastblockheader,     {} },
     { "blockchain",         "getblockheaderbyheight", &getblockheaderbyheight, {"height"} },
+    { "blockchain",         "get_info",               &get_info,               {} },
 
     /* Not shown in help */
     { "hidden",             "invalidateblock",        &invalidateblock,        {"blockhash"} },