Merge #10252: RPC/Mining: Restore API compatibility for prioritisetransaction

870824e RPC/Mining: Restore API compatibility for prioritisetransaction (Luke Dashjr)

Tree-SHA512: eb507500dc5ba8d17521f34f3d6eae45aa9259c38d15a75dc3e3ad45774ffb53db943be1720a97e6cd5f08e7832801e27ffb636da081a58955018b6f8f9d8fba

2 files changed, 14 insertions, 8 deletions

diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp
index a3a692c14d..ed83d1da1e 100644
--- a/src/rpc/client.cpp
+++ b/src/rpc/client.cpp
@@ -112,7 +112,8 @@ static const CRPCConvertParam vRPCConvertParams[] =
     { "estimaterawfee", 0, "nblocks" },
     { "estimaterawfee", 1, "threshold" },
     { "estimaterawfee", 2, "horizon" },
-    { "prioritisetransaction", 1, "fee_delta" },
+    { "prioritisetransaction", 1, "priority_delta" },
+    { "prioritisetransaction", 2, "fee_delta" },
     { "setban", 2, "bantime" },
     { "setban", 3, "absolute" },
     { "setnetworkactive", 0, "state" },
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index ebc206943b..cfe42ec7d8 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -257,26 +257,31 @@ UniValue getmininginfo(const JSONRPCRequest& request)
 // NOTE: Unlike wallet RPC (which use BTC values), mining RPCs follow GBT (BIP 22) in using satoshi amounts
 UniValue prioritisetransaction(const JSONRPCRequest& request)
 {
-    if (request.fHelp || request.params.size() != 2)
+    if (request.fHelp || request.params.size() != 3)
         throw std::runtime_error(
-            "prioritisetransaction <txid> <fee delta>\n"
+            "prioritisetransaction <txid> <priority delta> <fee delta>\n"
             "Accepts the transaction into mined blocks at a higher (or lower) priority\n"
             "\nArguments:\n"
             "1. \"txid\"       (string, required) The transaction id.\n"
-            "2. fee_delta      (numeric, required) The fee value (in satoshis) to add (or subtract, if negative).\n"
+            "2. priority_delta (numeric, optional) Fee-independent priority adjustment. Not supported, so must be zero or null.\n"
+            "3. fee_delta      (numeric, required) The fee value (in satoshis) to add (or subtract, if negative).\n"
             "                  The fee is not actually paid, only the algorithm for selecting transactions into a block\n"
             "                  considers the transaction as it would have paid a higher (or lower) fee.\n"
             "\nResult:\n"
             "true              (boolean) Returns true\n"
             "\nExamples:\n"
-            + HelpExampleCli("prioritisetransaction", "\"txid\" 10000")
-            + HelpExampleRpc("prioritisetransaction", "\"txid\", 10000")
+            + HelpExampleCli("prioritisetransaction", "\"txid\" 0.0 10000")
+            + HelpExampleRpc("prioritisetransaction", "\"txid\", 0.0, 10000")
         );
 
     LOCK(cs_main);
 
     uint256 hash = ParseHashStr(request.params[0].get_str(), "txid");
-    CAmount nAmount = request.params[1].get_int64();
+    CAmount nAmount = request.params[2].get_int64();
+
+    if (!(request.params[1].isNull() || request.params[1].get_real() == 0)) {
+        throw JSONRPCError(RPC_INVALID_PARAMETER, "Priority is not supported, and adjustment thereof must be zero.");
+    }
 
     mempool.PrioritiseTransaction(hash, nAmount);
     return true;
@@ -959,7 +964,7 @@ static const CRPCCommand commands[] =
   //  --------------------- ------------------------  -----------------------  ----------
     { "mining",             "getnetworkhashps",       &getnetworkhashps,       true,  {"nblocks","height"} },
     { "mining",             "getmininginfo",          &getmininginfo,          true,  {} },
-    { "mining",             "prioritisetransaction",  &prioritisetransaction,  true,  {"txid","fee_delta"} },
+    { "mining",             "prioritisetransaction",  &prioritisetransaction,  true,  {"txid","priority_delta","fee_delta"} },
     { "mining",             "getblocktemplate",       &getblocktemplate,       true,  {"template_request"} },
     { "mining",             "submitblock",            &submitblock,            true,  {"hexdata","parameters"} },