btcjson: add TestMempoolAcceptCmd

btcjson/chainsvrcmds.go

@@ -1042,6 +1042,27 @@ func NewVerifyTxOutProofCmd(proof string) *VerifyTxOutProofCmd {
 	}
 }
 
+// TestMempoolAcceptCmd defines the testmempoolaccept JSON-RPC command.
+type TestMempoolAcceptCmd struct {
+	// An array of hex strings of raw transactions.
+	RawTxns []string
+
+	// Reject transactions whose fee rate is higher than the specified
+	// value, expressed in BTC/kvB, optional, default="0.10".
+	MaxFeeRate float64 `json:"omitempty"`
+}
+
+// NewTestMempoolAcceptCmd returns a new instance which can be used to issue a
+// testmempoolaccept JSON-RPC command.
+func NewTestMempoolAcceptCmd(rawTxns []string,
+	maxFeeRate float64) *TestMempoolAcceptCmd {
+
+	return &TestMempoolAcceptCmd{
+		RawTxns:    rawTxns,
+		MaxFeeRate: maxFeeRate,
+	}
+}
+
 func init() {
 	// No special flags for commands in this file.
 	flags := UsageFlag(0)
@@ -1102,4 +1123,5 @@ func init() {
 	MustRegisterCmd("verifychain", (*VerifyChainCmd)(nil), flags)
 	MustRegisterCmd("verifymessage", (*VerifyMessageCmd)(nil), flags)
 	MustRegisterCmd("verifytxoutproof", (*VerifyTxOutProofCmd)(nil), flags)
+	MustRegisterCmd("testmempoolaccept", (*TestMempoolAcceptCmd)(nil), flags)
 }

btcjson/chainsvrcmds_test.go

@@ -1472,6 +1472,34 @@ func TestChainSvrCmds(t *testing.T) {
 			marshalled:   `{"jsonrpc":"1.0","method":"getzmqnotifications","params":[],"id":1}`,
 			unmarshalled: &btcjson.GetZmqNotificationsCmd{},
 		},
+		{
+			name: "testmempoolaccept",
+			newCmd: func() (interface{}, error) {
+				return btcjson.NewCmd("testmempoolaccept", []string{"rawhex"}, 0.1)
+			},
+			staticCmd: func() interface{} {
+				return btcjson.NewTestMempoolAcceptCmd([]string{"rawhex"}, 0.1)
+			},
+			marshalled: `{"jsonrpc":"1.0","method":"testmempoolaccept","params":[["rawhex"],0.1],"id":1}`,
+			unmarshalled: &btcjson.TestMempoolAcceptCmd{
+				RawTxns:    []string{"rawhex"},
+				MaxFeeRate: 0.1,
+			},
+		},
+		{
+			name: "testmempoolaccept with maxfeerate",
+			newCmd: func() (interface{}, error) {
+				return btcjson.NewCmd("testmempoolaccept", []string{"rawhex"}, 0.01)
+			},
+			staticCmd: func() interface{} {
+				return btcjson.NewTestMempoolAcceptCmd([]string{"rawhex"}, 0.01)
+			},
+			marshalled: `{"jsonrpc":"1.0","method":"testmempoolaccept","params":[["rawhex"],0.01],"id":1}`,
+			unmarshalled: &btcjson.TestMempoolAcceptCmd{
+				RawTxns:    []string{"rawhex"},
+				MaxFeeRate: 0.01,
+			},
+		},
 	}
 
 	t.Logf("Running %d tests", len(tests))