Change getmininginfo errors field to warnings

Changes the errors field to warnings. To maintain compatibility,
the errors field is deprecated and enabled by starting bitcoind with
-deprecatedrpc=getmininginfo

src/rpc/mining.cpp

@@ -202,7 +202,8 @@ UniValue getmininginfo(const JSONRPCRequest& request)
             "  \"networkhashps\": nnn,      (numeric) The network hashes per second\n"
             "  \"pooledtx\": n              (numeric) The size of the mempool\n"
             "  \"chain\": \"xxxx\",           (string) current network name as defined in BIP70 (main, test, regtest)\n"
-            "  \"errors\": \"...\"            (string) (string) any network and blockchain warnings\n"
+            "  \"warnings\": \"...\"          (string) any network and blockchain warnings\n"
+            "  \"errors\": \"...\"            (string) DEPRECATED. Same as warnings. Only shown when bitcoind is started with -deprecatedrpc=getmininginfo\n"
             "}\n"
             "\nExamples:\n"
             + HelpExampleCli("getmininginfo", "")
@@ -220,7 +221,11 @@ UniValue getmininginfo(const JSONRPCRequest& request)
     obj.push_back(Pair("networkhashps",    getnetworkhashps(request)));
     obj.push_back(Pair("pooledtx",         (uint64_t)mempool.size()));
     obj.push_back(Pair("chain",            Params().NetworkIDString()));
+    if (IsDeprecatedRPCEnabled("getmininginfo")) {
         obj.push_back(Pair("errors",       GetWarnings("statusbar")));
+    } else {
+        obj.push_back(Pair("warnings",     GetWarnings("statusbar")));
+    }
     return obj;
 }
 

test/functional/p2p-versionbits-warning.py

@@ -87,7 +87,7 @@ class VersionBitsWarningTest(BitcoinTestFramework):
         self.nodes[0].generate(VB_PERIOD - VB_THRESHOLD + 1)
         # Check that we're not getting any versionbit-related errors in
         # get*info()
-        assert(not VB_PATTERN.match(self.nodes[0].getmininginfo()["errors"]))
+        assert(not VB_PATTERN.match(self.nodes[0].getmininginfo()["warnings"]))
         assert(not VB_PATTERN.match(self.nodes[0].getnetworkinfo()["warnings"]))
 
         # 3. Now build one period of blocks with >= VB_THRESHOLD blocks signaling
@@ -98,7 +98,7 @@ class VersionBitsWarningTest(BitcoinTestFramework):
         # have gotten a different alert due to more than 51/100 blocks
         # being of unexpected version.
         # Check that get*info() shows some kind of error.
-        assert(WARN_UNKNOWN_RULES_MINED in self.nodes[0].getmininginfo()["errors"])
+        assert(WARN_UNKNOWN_RULES_MINED in self.nodes[0].getmininginfo()["warnings"])
         assert(WARN_UNKNOWN_RULES_MINED in self.nodes[0].getnetworkinfo()["warnings"])
 
         # Mine a period worth of expected blocks so the generic block-version warning
@@ -113,7 +113,7 @@ class VersionBitsWarningTest(BitcoinTestFramework):
 
         # Connecting one block should be enough to generate an error.
         self.nodes[0].generate(1)
-        assert(WARN_UNKNOWN_RULES_ACTIVE in self.nodes[0].getmininginfo()["errors"])
+        assert(WARN_UNKNOWN_RULES_ACTIVE in self.nodes[0].getmininginfo()["warnings"])
         assert(WARN_UNKNOWN_RULES_ACTIVE in self.nodes[0].getnetworkinfo()["warnings"])
         self.stop_nodes()
         self.test_versionbits_in_alert_file()