itest: generate NUMS dummy macaroon

itest/itest_lndharness_test.go

@@ -74,6 +74,10 @@ func (l *lndHarness) Start() {
 
 	mustGenCertPair(l.tctx.t, certPath, keyPath)
 
+	macPath := path.Join(l.lndDir, "dummy.macaroon")
+
+	mustGenMacaroon(l.tctx.t, macPath)
+
 	signerAddr := "127.0.0.1:" + newPortString()
 	fullSignerAddr := "tcp://" + signerAddr
 
@@ -137,7 +141,7 @@ func (l *lndHarness) Start() {
 		"--remotesigner.enable",
 		"--remotesigner.rpchost="+signerAddr,
 		"--remotesigner.tlscertpath="+certPath,
-		"--remotesigner.macaroonpath=./testdata/signer.custom.macaroon",
+		"--remotesigner.macaroonpath="+macPath,
 	)
 
 	go waitProc(l.lndCmd)
@@ -366,3 +370,28 @@ func mustGenCertPair(t *testing.T, certFile, keyFile string) {
 
 	require.NoError(t, os.WriteFile(keyFile, keyBuf.Bytes(), 0600))
 }
+
+func mustGenMacaroon(t *testing.T, macPath string) {
+	var macData []byte
+
+	macData = append(macData, 2)  // version
+	macData = append(macData, 1)  // field type loc
+	macData = append(macData, 1)  // length
+	macData = append(macData, 65) // loc ("A")
+	macData = append(macData, 2)  // field type id
+	macData = append(macData, 1)  // length
+	macData = append(macData, 65) // id ("A")
+	macData = append(macData, 0)  // end of seq
+	macData = append(macData, 0)  // end of seq
+	macData = append(macData, 6)  // field type sig
+	macData = append(macData, 32) // length
+	macData = append(macData,     // sig (32 * "A")
+		65, 65, 65, 65, 65, 65, 65, 65,
+		65, 65, 65, 65, 65, 65, 65, 65,
+		65, 65, 65, 65, 65, 65, 65, 65,
+		65, 65, 65, 65, 65, 65, 65, 65,
+	)
+	macData = append(macData, 0) // end of seq
+
+	require.NoError(t, os.WriteFile(macPath, macData, 0644))
+}