[rpc] [wallet] Add 'hdmasterkeyid' alias return values.

Restores the  return value in getwalletinfo() and getaddressinfo()
RPC methods for backwards compatibility

src/wallet/rpcwallet.cpp

@@ -2926,6 +2926,7 @@ static UniValue getwalletinfo(const JSONRPCRequest& request)
             "  \"unlocked_until\": ttt,           (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
             "  \"paytxfee\": x.xxxx,              (numeric) the transaction fee configuration, set in " + CURRENCY_UNIT + "/kB\n"
             "  \"hdseedid\": \"<hash160>\"          (string, optional) the Hash160 of the HD seed (only present when HD is enabled)\n"
+            "  \"hdmasterkeyid\": \"<hash160>\"     (string, optional) alias for hdseedid retained for backwards-compatibility. Will be removed in V0.18.\n"
             "}\n"
             "\nExamples:\n"
             + HelpExampleCli("getwalletinfo", "")
@@ -2957,8 +2958,10 @@ static UniValue getwalletinfo(const JSONRPCRequest& request)
         obj.pushKV("unlocked_until", pwallet->nRelockTime);
     }
     obj.pushKV("paytxfee", ValueFromAmount(pwallet->m_pay_tx_fee.GetFeePerK()));
-    if (!seed_id.IsNull())
+    if (!seed_id.IsNull()) {
         obj.pushKV("hdseedid", seed_id.GetHex());
+        obj.pushKV("hdmasterkeyid", seed_id.GetHex());
+    }
     return obj;
 }
 
@@ -3955,6 +3958,7 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
             "  \"timestamp\" : timestamp,      (number, optional) The creation time of the key if available in seconds since epoch (Jan 1 1970 GMT)\n"
             "  \"hdkeypath\" : \"keypath\"       (string, optional) The HD keypath if the key is HD and available\n"
             "  \"hdseedid\" : \"<hash160>\"      (string, optional) The Hash160 of the HD seed\n"
+            "  \"hdmasterkeyid\" : \"<hash160>\" (string, optional) alias for hdseedid maintained for backwards compatibility. Will be removed in V0.18.\n"
             "  \"labels\"                      (object) Array of labels associated with the address.\n"
             "    [\n"
             "      { (json object of label data)\n"
@@ -4015,6 +4019,7 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
         if (!meta->hdKeypath.empty()) {
             ret.pushKV("hdkeypath", meta->hdKeypath);
             ret.pushKV("hdseedid", meta->hd_seed_id.GetHex());
+            ret.pushKV("hdmasterkeyid", meta->hd_seed_id.GetHex());
         }
     }
 

test/functional/wallet_hd.py

@@ -30,6 +30,7 @@ class WalletHDTest(BitcoinTestFramework):
 
         # Make sure we use hd, keep masterkeyid
         masterkeyid = self.nodes[1].getwalletinfo()['hdseedid']
+        assert_equal(masterkeyid, self.nodes[1].getwalletinfo()['hdmasterkeyid'])
         assert_equal(len(masterkeyid), 40)
 
         # create an internal key
@@ -55,6 +56,7 @@ class WalletHDTest(BitcoinTestFramework):
             hd_info = self.nodes[1].getaddressinfo(hd_add)
             assert_equal(hd_info["hdkeypath"], "m/0'/0'/"+str(i)+"'")
             assert_equal(hd_info["hdseedid"], masterkeyid)
+            assert_equal(hd_info["hdmasterkeyid"], masterkeyid)
             self.nodes[0].sendtoaddress(hd_add, 1)
             self.nodes[0].generate(1)
         self.nodes[0].sendtoaddress(non_hd_add, 1)
@@ -84,6 +86,7 @@ class WalletHDTest(BitcoinTestFramework):
             hd_info_2 = self.nodes[1].getaddressinfo(hd_add_2)
             assert_equal(hd_info_2["hdkeypath"], "m/0'/0'/"+str(i)+"'")
             assert_equal(hd_info_2["hdseedid"], masterkeyid)
+            assert_equal(hd_info_2["hdmasterkeyid"], masterkeyid)
         assert_equal(hd_add, hd_add_2)
         connect_nodes_bi(self.nodes, 0, 1)
         self.sync_all()

test/functional/wallet_keypool.py

@@ -16,6 +16,7 @@ class KeyPoolTest(BitcoinTestFramework):
         addr_before_encrypting = nodes[0].getnewaddress()
         addr_before_encrypting_data = nodes[0].getaddressinfo(addr_before_encrypting)
         wallet_info_old = nodes[0].getwalletinfo()
+        assert_equal(wallet_info_old['hdseedid'], wallet_info_old['hdmasterkeyid'])
         assert(addr_before_encrypting_data['hdseedid'] == wallet_info_old['hdseedid'])
 
         # Encrypt wallet and wait to terminate
@@ -26,6 +27,7 @@ class KeyPoolTest(BitcoinTestFramework):
         addr = nodes[0].getnewaddress()
         addr_data = nodes[0].getaddressinfo(addr)
         wallet_info = nodes[0].getwalletinfo()
+        assert_equal(wallet_info['hdseedid'], wallet_info['hdmasterkeyid'])
         assert(addr_before_encrypting_data['hdseedid'] != wallet_info['hdseedid'])
         assert(addr_data['hdseedid'] == wallet_info['hdseedid'])
         assert_raises_rpc_error(-12, "Error: Keypool ran out, please call keypoolrefill first", nodes[0].getnewaddress)