add test

finality-provider/service/app_test.go

@@ -222,3 +222,70 @@ func FuzzSyncFinalityProviderStatus(f *testing.F) {
 		}, time.Second*5, time.Millisecond*200, "should eventually be registered or active")
 	})
 }
+
+func FuzzUnjailFinalityProvider(f *testing.F) {
+	testutil.AddRandomSeedsToFuzzer(f, 10)
+	f.Fuzz(func(t *testing.T, seed int64) {
+		r := rand.New(rand.NewSource(seed))
+
+		logger := zap.NewNop()
+
+		pathSuffix := datagen.GenRandomHexStr(r, 10)
+		// create an EOTS manager
+		eotsHomeDir := filepath.Join(t.TempDir(), "eots-home", pathSuffix)
+		eotsCfg := eotscfg.DefaultConfigWithHomePath(eotsHomeDir)
+		dbBackend, err := eotsCfg.DatabaseConfig.GetDbBackend()
+		require.NoError(t, err)
+		em, err := eotsmanager.NewLocalEOTSManager(eotsHomeDir, eotsCfg.KeyringBackend, dbBackend, logger)
+		require.NoError(t, err)
+
+		// Create randomized config
+		fpHomeDir := filepath.Join(t.TempDir(), "fp-home", pathSuffix)
+		fpCfg := config.DefaultConfigWithHome(fpHomeDir)
+		// use shorter interval for the test to end faster
+		fpCfg.SyncFpStatusInterval = time.Millisecond * 10
+		fpCfg.StatusUpdateInterval = time.Millisecond * 10
+		fpCfg.SubmissionRetryInterval = time.Millisecond * 10
+		fpdb, err := fpCfg.DatabaseConfig.GetDbBackend()
+		require.NoError(t, err)
+
+		randomStartingHeight := uint64(r.Int63n(100) + 1)
+		currentHeight := randomStartingHeight + uint64(r.Int63n(10)+2)
+		mockClientController := testutil.PrepareMockedClientController(t, r, randomStartingHeight, currentHeight)
+
+		blkInfo := &types.BlockInfo{Height: currentHeight}
+
+		mockClientController.EXPECT().QueryLastCommittedPublicRand(gomock.Any(), uint64(1)).Return(nil, nil).AnyTimes()
+		mockClientController.EXPECT().QueryLatestFinalizedBlocks(gomock.Any()).Return(nil, nil).AnyTimes()
+		mockClientController.EXPECT().QueryBestBlock().Return(blkInfo, nil).Return(blkInfo, nil).AnyTimes()
+		mockClientController.EXPECT().QueryBlock(gomock.Any()).Return(nil, errors.New("chain not online")).AnyTimes()
+
+		// set voting power to be positive so that the fp should eventually become ACTIVE
+		mockClientController.EXPECT().QueryFinalityProviderVotingPower(gomock.Any(), gomock.Any()).Return(uint64(0), nil).AnyTimes()
+		mockClientController.EXPECT().QueryActivatedHeight().Return(uint64(1), nil).AnyTimes()
+		mockClientController.EXPECT().QueryFinalityProviderSlashedOrJailed(gomock.Any()).Return(false, false, nil).AnyTimes()
+
+		app, err := service.NewFinalityProviderApp(&fpCfg, mockClientController, em, fpdb, logger)
+		require.NoError(t, err)
+
+		err = app.Start()
+		defer func() {
+			err := app.Stop()
+			require.NoError(t, err)
+		}()
+		require.NoError(t, err)
+
+		fp := testutil.GenStoredFinalityProvider(r, t, app, "", hdPath, nil)
+		err = app.GetFinalityProviderStore().SetFpStatus(fp.BtcPk, proto.FinalityProviderStatus_JAILED)
+		require.NoError(t, err)
+
+		expectedTxHash := datagen.GenRandomHexStr(r, 32)
+		mockClientController.EXPECT().UnjailFinalityProvider(fp.BtcPk).Return(&types.TxResponse{TxHash: expectedTxHash}, nil)
+		txHash, err := app.UnjailFinalityProvider(fp.GetBIP340BTCPK())
+		require.NoError(t, err)
+		require.Equal(t, expectedTxHash, txHash)
+		fpInfo, err := app.GetFinalityProviderInfo(fp.GetBIP340BTCPK())
+		require.NoError(t, err)
+		require.Equal(t, proto.FinalityProviderStatus_INACTIVE.String(), fpInfo.GetStatus())
+	})
+}