chore: add test to check syncChainFpStatusLoop actually modified the …

…fp status to Active if it has VP on chain

finality-provider/service/app_test.go

@@ -4,7 +4,9 @@ import (
 	"math/rand"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
+	"time"
 
 	bbntypes "github.com/babylonlabs-io/babylon/types"
 	bstypes "github.com/babylonlabs-io/babylon/x/btcstaking/types"
@@ -138,3 +140,61 @@ func FuzzRegisterFinalityProvider(f *testing.F) {
 		require.Equal(t, true, fpInfo.IsRunning)
 	})
 }
+
+func FuzzSyncFinalityProviderStatus(f *testing.F) {
+	testutil.AddRandomSeedsToFuzzer(f, 10)
+	f.Fuzz(func(t *testing.T, seed int64) {
+		r := rand.New(rand.NewSource(2))
+
+		logger := zap.NewNop()
+
+		// create an EOTS manager
+		eotsHomeDir := filepath.Join(t.TempDir(), "eots-home")
+		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)
+		defer func() {
+			dbBackend.Close()
+			err = os.RemoveAll(eotsHomeDir)
+			require.NoError(t, err)
+		}()
+
+		// Create randomized config
+		fpHomeDir := filepath.Join(t.TempDir(), "fp-home")
+		fpCfg := config.DefaultConfigWithHome(fpHomeDir)
+		fpCfg.SyncFpStatusInterval = time.Millisecond * 100
+		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().QueryLatestFinalizedBlocks(gomock.Any()).Return(nil, nil).AnyTimes()
+		mockClientController.EXPECT().QueryBestBlock().Return(blkInfo, nil).AnyTimes()
+		mockClientController.EXPECT().QueryFinalityProviderVotingPower(gomock.Any(), gomock.Any()).Return(uint64(2), nil).AnyTimes()
+		mockClientController.EXPECT().QueryBlock(gomock.Any()).Return(blkInfo, nil).AnyTimes()
+
+		app, err := service.NewFinalityProviderApp(&fpCfg, mockClientController, em, fpdb, logger)
+		require.NoError(t, err)
+
+		err = app.Start()
+		require.NoError(t, err)
+		defer func() {
+			err = app.Stop()
+			require.NoError(t, err)
+		}()
+
+		fp := testutil.GenStoredFinalityProvider(r, t, app, passphrase, hdPath, nil)
+
+		require.Eventually(t, func() bool {
+			fpInfo, err := app.GetFinalityProviderInfo(fp.GetBIP340BTCPK())
+			require.NoError(t, err)
+
+			return strings.EqualFold(fpInfo.Status, proto.FinalityProviderStatus_ACTIVE.String())
+		}, time.Second*5, time.Millisecond*200, "should eventually become active")
+	})
+}