package rpc

import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
	"time"

	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/common/hexutil"
	"github.com/gorilla/mux"
	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
	fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
	"github.com/prysmaticlabs/prysm/v5/config/params"
	"github.com/prysmaticlabs/prysm/v5/config/proposer"
	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
	"github.com/prysmaticlabs/prysm/v5/consensus-types/validator"
	"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
	eth "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
	"github.com/prysmaticlabs/prysm/v5/testing/assert"
	"github.com/prysmaticlabs/prysm/v5/testing/require"
	validatormock "github.com/prysmaticlabs/prysm/v5/testing/validator-mock"
	"github.com/prysmaticlabs/prysm/v5/validator/accounts"
	"github.com/prysmaticlabs/prysm/v5/validator/accounts/iface"
	mock "github.com/prysmaticlabs/prysm/v5/validator/accounts/testing"
	"github.com/prysmaticlabs/prysm/v5/validator/accounts/wallet"
	"github.com/prysmaticlabs/prysm/v5/validator/client"
	dbCommon "github.com/prysmaticlabs/prysm/v5/validator/db/common"
	"github.com/prysmaticlabs/prysm/v5/validator/db/filesystem"
	DBIface "github.com/prysmaticlabs/prysm/v5/validator/db/iface"
	"github.com/prysmaticlabs/prysm/v5/validator/db/kv"
	dbtest "github.com/prysmaticlabs/prysm/v5/validator/db/testing"
	"github.com/prysmaticlabs/prysm/v5/validator/keymanager"
	"github.com/prysmaticlabs/prysm/v5/validator/keymanager/derived"
	remoteweb3signer "github.com/prysmaticlabs/prysm/v5/validator/keymanager/remote-web3signer"
	"github.com/prysmaticlabs/prysm/v5/validator/slashing-protection-history/format"
	mocks "github.com/prysmaticlabs/prysm/v5/validator/testing"
	"go.uber.org/mock/gomock"
	"google.golang.org/grpc"
	"google.golang.org/protobuf/types/known/emptypb"
	"google.golang.org/protobuf/types/known/timestamppb"
)

func TestServer_ListKeystores(t *testing.T) {
	ctx := context.Background()
	t.Run("wallet not ready", func(t *testing.T) {
		m := &mock.Validator{}
		vs, err := client.NewValidatorService(ctx, &client.Config{
			Validator: m,
		})
		require.NoError(t, err)
		s := Server{
			validatorService: vs,
		}
		req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/keystores"), nil)
		w := httptest.NewRecorder()
		w.Body = &bytes.Buffer{}
		s.ListKeystores(w, req)
		require.NotEqual(t, http.StatusOK, w.Code)
		require.StringContains(t, "Prysm Wallet not initialized. Please create a new wallet.", w.Body.String())
	})

	localWalletDir := setupWalletDir(t)
	defaultWalletPath = localWalletDir
	opts := []accounts.Option{
		accounts.WithWalletDir(defaultWalletPath),
		accounts.WithKeymanagerType(keymanager.Derived),
		accounts.WithWalletPassword(strongPass),
		accounts.WithSkipMnemonicConfirm(true),
	}
	acc, err := accounts.NewCLIManager(opts...)
	require.NoError(t, err)
	w, err := acc.WalletCreate(ctx)
	require.NoError(t, err)
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false})
	require.NoError(t, err)
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Wallet: w,
		Validator: &mock.Validator{
			Km: km,
		},
	})
	require.NoError(t, err)
	s := &Server{
		walletInitialized: true,
		wallet:            w,
		validatorService:  vs,
	}
	numAccounts := 50
	dr, ok := km.(*derived.Keymanager)
	require.Equal(t, true, ok)
	err = dr.RecoverAccountsFromMnemonic(ctx, mocks.TestMnemonic, derived.DefaultMnemonicLanguage, "", numAccounts)
	require.NoError(t, err)
	expectedKeys, err := dr.FetchValidatingPublicKeys(ctx)
	require.NoError(t, err)

	t.Run("returns proper data with existing keystores", func(t *testing.T) {
		req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/keystores"), nil)
		wr := httptest.NewRecorder()
		wr.Body = &bytes.Buffer{}
		s.ListKeystores(wr, req)
		require.Equal(t, http.StatusOK, wr.Code)
		resp := &ListKeystoresResponse{}
		require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
		require.Equal(t, numAccounts, len(resp.Data))
		for i := 0; i < numAccounts; i++ {
			require.DeepEqual(t, hexutil.Encode(expectedKeys[i][:]), resp.Data[i].ValidatingPubkey)
			require.Equal(
				t,
				fmt.Sprintf(derived.ValidatingKeyDerivationPathTemplate, i),
				resp.Data[i].DerivationPath,
			)
		}
	})
}

func TestServer_ImportKeystores(t *testing.T) {
	ctx := context.Background()
	localWalletDir := setupWalletDir(t)
	defaultWalletPath = localWalletDir
	opts := []accounts.Option{
		accounts.WithWalletDir(defaultWalletPath),
		accounts.WithKeymanagerType(keymanager.Derived),
		accounts.WithWalletPassword(strongPass),
		accounts.WithSkipMnemonicConfirm(true),
	}
	acc, err := accounts.NewCLIManager(opts...)
	require.NoError(t, err)
	w, err := acc.WalletCreate(ctx)
	require.NoError(t, err)
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false})
	require.NoError(t, err)
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Wallet: w,
		Validator: &mock.Validator{
			Km: km,
		},
	})
	require.NoError(t, err)
	s := &Server{
		walletInitialized: true,
		wallet:            w,
		validatorService:  vs,
	}
	t.Run("200 response even if faulty keystore in request", func(t *testing.T) {
		request := &ImportKeystoresRequest{
			Keystores: []string{"hi"},
			Passwords: []string{"hi"},
		}

		var buf bytes.Buffer
		err = json.NewEncoder(&buf).Encode(request)
		require.NoError(t, err)

		req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/keystores"), &buf)
		wr := httptest.NewRecorder()
		wr.Body = &bytes.Buffer{}
		s.ImportKeystores(wr, req)
		require.Equal(t, http.StatusOK, wr.Code)
		resp := &ImportKeystoresResponse{}
		require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
		require.Equal(t, 1, len(resp.Data))
		require.Equal(t, keymanager.StatusError, resp.Data[0].Status)
	})
	t.Run("200 response even if  no passwords in request", func(t *testing.T) {
		request := &ImportKeystoresRequest{
			Keystores: []string{"hi"},
			Passwords: []string{},
		}

		var buf bytes.Buffer
		err = json.NewEncoder(&buf).Encode(request)
		require.NoError(t, err)

		req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/keystores"), &buf)
		wr := httptest.NewRecorder()
		wr.Body = &bytes.Buffer{}
		s.ImportKeystores(wr, req)
		require.Equal(t, http.StatusOK, wr.Code)
		resp := &ImportKeystoresResponse{}
		require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
		require.Equal(t, 1, len(resp.Data))
		require.Equal(t, keymanager.StatusError, resp.Data[0].Status)
	})
	t.Run("200 response even if  keystores more than passwords in request", func(t *testing.T) {
		request := &ImportKeystoresRequest{
			Keystores: []string{"hi", "hi"},
			Passwords: []string{"hi"},
		}

		var buf bytes.Buffer
		err = json.NewEncoder(&buf).Encode(request)
		require.NoError(t, err)

		req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/keystores"), &buf)
		wr := httptest.NewRecorder()
		wr.Body = &bytes.Buffer{}
		s.ImportKeystores(wr, req)
		require.Equal(t, http.StatusOK, wr.Code)
		resp := &ImportKeystoresResponse{}
		require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
		require.Equal(t, 2, len(resp.Data))
		require.Equal(t, fmt.Sprintf("%v", keymanager.StatusError), strings.ToLower(string(resp.Data[0].Status))) // make sure it's lower case
	})
	t.Run("200 response even if number of passwords does not match number of keystores", func(t *testing.T) {
		request := &ImportKeystoresRequest{
			Keystores: []string{"hi"},
			Passwords: []string{"hi", "hi"},
		}

		var buf bytes.Buffer
		err = json.NewEncoder(&buf).Encode(request)
		require.NoError(t, err)

		req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/keystores"), &buf)
		wr := httptest.NewRecorder()
		wr.Body = &bytes.Buffer{}
		s.ImportKeystores(wr, req)
		require.Equal(t, http.StatusOK, wr.Code)
		resp := &ImportKeystoresResponse{}
		require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
		require.Equal(t, 1, len(resp.Data))
		require.Equal(t, keymanager.StatusError, resp.Data[0].Status)
	})
	t.Run("200 response even if faulty slashing protection data", func(t *testing.T) {
		numKeystores := 5
		password := "12345678"
		encodedKeystores := make([]string, numKeystores)
		passwords := make([]string, numKeystores)
		for i := 0; i < numKeystores; i++ {
			enc, err := json.Marshal(createRandomKeystore(t, password))
			encodedKeystores[i] = string(enc)
			require.NoError(t, err)
			passwords[i] = password
		}

		request := &ImportKeystoresRequest{
			Keystores:          encodedKeystores,
			Passwords:          passwords,
			SlashingProtection: "foobar",
		}

		var buf bytes.Buffer
		err = json.NewEncoder(&buf).Encode(request)
		require.NoError(t, err)

		req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/keystores"), &buf)
		wr := httptest.NewRecorder()
		wr.Body = &bytes.Buffer{}
		s.ImportKeystores(wr, req)
		require.Equal(t, http.StatusOK, wr.Code)
		resp := &ImportKeystoresResponse{}
		require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
		require.Equal(t, numKeystores, len(resp.Data))
		for _, st := range resp.Data {
			require.Equal(t, keymanager.StatusError, st.Status)
		}
	})

	for _, isSlashingProtectionMinimal := range []bool{false, true} {
		t.Run(fmt.Sprintf("returns proper statuses for keystores in request/isSlashingProtectionMininal:%v", isSlashingProtectionMinimal), func(t *testing.T) {
			numKeystores := 5
			password := "12345678"
			keystores := make([]*keymanager.Keystore, numKeystores)
			passwords := make([]string, numKeystores)
			publicKeys := make([][fieldparams.BLSPubkeyLength]byte, numKeystores)
			for i := 0; i < numKeystores; i++ {
				keystores[i] = createRandomKeystore(t, password)
				pubKey, err := hexutil.Decode("0x" + keystores[i].Pubkey)
				require.NoError(t, err)
				publicKeys[i] = bytesutil.ToBytes48(pubKey)
				passwords[i] = password
			}

			// Create a validator database.
			var validatorDB DBIface.ValidatorDB
			if isSlashingProtectionMinimal {
				validatorDB, err = filesystem.NewStore(defaultWalletPath, &filesystem.Config{
					PubKeys: publicKeys,
				})
			} else {
				validatorDB, err = kv.NewKVStore(ctx, defaultWalletPath, &kv.Config{
					PubKeys: publicKeys,
				})
			}
			require.NoError(t, err)
			s.valDB = validatorDB

			// Have to close it after import is done otherwise it complains db is not open.
			defer func() {
				require.NoError(t, validatorDB.Close())
			}()
			encodedKeystores := make([]string, numKeystores)
			for i := 0; i < numKeystores; i++ {
				enc, err := json.Marshal(keystores[i])
				require.NoError(t, err)
				encodedKeystores[i] = string(enc)
			}

			// Generate mock slashing history.
			attestingHistory := make([][]*dbCommon.AttestationRecord, 0)
			proposalHistory := make([]dbCommon.ProposalHistoryForPubkey, len(publicKeys))
			for i := 0; i < len(publicKeys); i++ {
				proposalHistory[i].Proposals = make([]dbCommon.Proposal, 0)
			}
			mockJSON, err := mocks.MockSlashingProtectionJSON(publicKeys, attestingHistory, proposalHistory)
			require.NoError(t, err)

			// JSON encode the protection JSON and save it.
			encodedSlashingProtection, err := json.Marshal(mockJSON)
			require.NoError(t, err)

			request := &ImportKeystoresRequest{
				Keystores:          encodedKeystores,
				Passwords:          passwords,
				SlashingProtection: string(encodedSlashingProtection),
			}

			var buf bytes.Buffer
			err = json.NewEncoder(&buf).Encode(request)
			require.NoError(t, err)

			req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/keystores"), &buf)
			wr := httptest.NewRecorder()
			wr.Body = &bytes.Buffer{}
			s.ImportKeystores(wr, req)
			require.Equal(t, http.StatusOK, wr.Code)
			resp := &ImportKeystoresResponse{}
			require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
			require.Equal(t, numKeystores, len(resp.Data))
			for _, st := range resp.Data {
				require.Equal(t, keymanager.StatusImported, st.Status)
			}
		})
	}
}

func TestServer_ImportKeystores_WrongKeymanagerKind(t *testing.T) {
	ctx := context.Background()
	w := wallet.NewWalletForWeb3Signer()
	root := make([]byte, fieldparams.RootLength)
	root[0] = 1
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false, Web3SignerConfig: &remoteweb3signer.SetupConfig{
		BaseEndpoint:          "http://example.com",
		GenesisValidatorsRoot: root,
		PublicKeysURL:         "http://example.com/public_keys",
	}})
	require.NoError(t, err)
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Wallet: w,
		Validator: &mock.Validator{
			Km: km,
		},
	})
	require.NoError(t, err)
	s := &Server{
		walletInitialized: true,
		wallet:            w,
		validatorService:  vs,
	}

	request := &ImportKeystoresRequest{
		Keystores: []string{"hi"},
		Passwords: []string{"hi"},
	}

	var buf bytes.Buffer
	err = json.NewEncoder(&buf).Encode(request)
	require.NoError(t, err)

	req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/keystores"), &buf)
	wr := httptest.NewRecorder()
	wr.Body = &bytes.Buffer{}
	s.ImportKeystores(wr, req)
	require.Equal(t, http.StatusOK, wr.Code)
	resp := &ImportKeystoresResponse{}
	require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
	require.Equal(t, 1, len(resp.Data))
	require.Equal(t, keymanager.StatusError, resp.Data[0].Status)
	require.Equal(t, "Keymanager kind *remote_web3signer.Keymanager cannot import local keys", resp.Data[0].Message)
}

func TestServer_DeleteKeystores(t *testing.T) {
	for _, isSlashingProtectionMinimal := range []bool{false, true} {
		ctx := context.Background()
		srv := setupServerWithWallet(t)

		// We recover 3 accounts from a test mnemonic.
		numAccounts := 3
		km, er := srv.validatorService.Keymanager()
		require.NoError(t, er)
		dr, ok := km.(*derived.Keymanager)
		require.Equal(t, true, ok)
		err := dr.RecoverAccountsFromMnemonic(ctx, mocks.TestMnemonic, derived.DefaultMnemonicLanguage, "", numAccounts)
		require.NoError(t, err)
		publicKeys, err := dr.FetchValidatingPublicKeys(ctx)
		require.NoError(t, err)

		// Create a validator database.
		var validatorDB DBIface.ValidatorDB
		if isSlashingProtectionMinimal {
			validatorDB, err = filesystem.NewStore(defaultWalletPath, &filesystem.Config{
				PubKeys: publicKeys,
			})
		} else {
			validatorDB, err = kv.NewKVStore(ctx, defaultWalletPath, &kv.Config{
				PubKeys: publicKeys,
			})
		}
		require.NoError(t, err)
		srv.valDB = validatorDB

		// Have to close it after import is done otherwise it complains db is not open.
		defer func() {
			require.NoError(t, validatorDB.Close())
		}()

		// Generate mock slashing history.
		attestingHistory := make([][]*dbCommon.AttestationRecord, 0)
		proposalHistory := make([]dbCommon.ProposalHistoryForPubkey, len(publicKeys))
		for i := 0; i < len(publicKeys); i++ {
			proposalHistory[i].Proposals = make([]dbCommon.Proposal, 0)
		}
		mockJSON, err := mocks.MockSlashingProtectionJSON(publicKeys, attestingHistory, proposalHistory)
		require.NoError(t, err)

		// JSON encode the protection JSON and save it.
		encoded, err := json.Marshal(mockJSON)
		require.NoError(t, err)
		request := &ImportSlashingProtectionRequest{
			SlashingProtectionJson: string(encoded),
		}
		var buf bytes.Buffer
		err = json.NewEncoder(&buf).Encode(request)
		require.NoError(t, err)

		req := httptest.NewRequest(http.MethodPost, "/v2/validator/slashing-protection/import", &buf)
		wr := httptest.NewRecorder()
		srv.ImportSlashingProtection(wr, req)
		require.Equal(t, http.StatusOK, wr.Code)
		t.Run(fmt.Sprintf("no slashing protection response if no keys in request even if we have a history in DB/mininalSlaghinProtection:%v", isSlashingProtectionMinimal), func(t *testing.T) {
			request := &DeleteKeystoresRequest{
				Pubkeys: nil,
			}

			var buf bytes.Buffer
			err = json.NewEncoder(&buf).Encode(request)
			require.NoError(t, err)
			req := httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/keystores"), &buf)
			wr := httptest.NewRecorder()
			wr.Body = &bytes.Buffer{}
			srv.DeleteKeystores(wr, req)
			require.Equal(t, http.StatusOK, wr.Code)
			resp := &DeleteKeystoresResponse{}
			require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
			require.Equal(t, "", resp.SlashingProtection)
		})

		// For ease of test setup, we'll give each public key a string identifier.
		publicKeysWithId := map[string][fieldparams.BLSPubkeyLength]byte{
			"a": publicKeys[0],
			"b": publicKeys[1],
			"c": publicKeys[2],
		}

		type keyCase struct {
			id                 string
			wantProtectionData bool
		}
		tests := []struct {
			keys         []*keyCase
			wantStatuses []keymanager.KeyStatusType
		}{
			{
				keys: []*keyCase{
					{id: "a", wantProtectionData: true},
					{id: "a", wantProtectionData: true},
					{id: "d"},
					{id: "c", wantProtectionData: true},
				},
				wantStatuses: []keymanager.KeyStatusType{
					keymanager.StatusDeleted,
					keymanager.StatusNotActive,
					keymanager.StatusNotFound,
					keymanager.StatusDeleted,
				},
			},
			{
				keys: []*keyCase{
					{id: "a", wantProtectionData: true},
					{id: "c", wantProtectionData: true},
				},
				wantStatuses: []keymanager.KeyStatusType{
					keymanager.StatusNotActive,
					keymanager.StatusNotActive,
				},
			},
			{
				keys: []*keyCase{
					{id: "x"},
				},
				wantStatuses: []keymanager.KeyStatusType{
					keymanager.StatusNotFound,
				},
			},
		}
		for _, tc := range tests {
			keys := make([]string, len(tc.keys))
			for i := 0; i < len(tc.keys); i++ {
				pk := publicKeysWithId[tc.keys[i].id]
				keys[i] = hexutil.Encode(pk[:])
			}
			request := &DeleteKeystoresRequest{
				Pubkeys: keys,
			}

			var buf bytes.Buffer
			err = json.NewEncoder(&buf).Encode(request)
			require.NoError(t, err)
			req := httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/keystores"), &buf)
			wr := httptest.NewRecorder()
			wr.Body = &bytes.Buffer{}
			srv.DeleteKeystores(wr, req)
			require.Equal(t, http.StatusOK, wr.Code)
			resp := &DeleteKeystoresResponse{}
			require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
			require.Equal(t, len(keys), len(resp.Data))
			slashingProtectionData := &format.EIPSlashingProtectionFormat{}
			require.NoError(t, json.Unmarshal([]byte(resp.SlashingProtection), slashingProtectionData))
			require.Equal(t, true, len(slashingProtectionData.Data) > 0)

			for i := 0; i < len(tc.keys); i++ {
				require.Equal(
					t,
					tc.wantStatuses[i],
					resp.Data[i].Status,
					fmt.Sprintf("Checking status for key %s", tc.keys[i].id),
				)
				if tc.keys[i].wantProtectionData {
					// We check that we can find the key in the slashing protection data.
					var found bool
					for _, dt := range slashingProtectionData.Data {
						if dt.Pubkey == keys[i] {
							found = true
							break
						}
					}
					require.Equal(t, true, found)
				}
			}
		}
	}
}

func TestServer_DeleteKeystores_FailedSlashingProtectionExport(t *testing.T) {
	for _, isSlashingProtectionMinimal := range []bool{false, true} {
		t.Run(fmt.Sprintf("minimalSlashingProtection:%v", isSlashingProtectionMinimal), func(t *testing.T) {
			ctx := context.Background()
			srv := setupServerWithWallet(t)

			// We recover 3 accounts from a test mnemonic.
			numAccounts := 3
			km, er := srv.validatorService.Keymanager()
			require.NoError(t, er)
			dr, ok := km.(*derived.Keymanager)
			require.Equal(t, true, ok)
			err := dr.RecoverAccountsFromMnemonic(ctx, mocks.TestMnemonic, derived.DefaultMnemonicLanguage, "", numAccounts)
			require.NoError(t, err)
			publicKeys, err := dr.FetchValidatingPublicKeys(ctx)
			require.NoError(t, err)

			// Create a validator database.
			var validatorDB DBIface.ValidatorDB
			if isSlashingProtectionMinimal {
				validatorDB, err = filesystem.NewStore(defaultWalletPath, &filesystem.Config{
					PubKeys: publicKeys,
				})
			} else {
				validatorDB, err = kv.NewKVStore(ctx, defaultWalletPath, &kv.Config{
					PubKeys: publicKeys,
				})
			}

			require.NoError(t, err)
			err = validatorDB.SaveGenesisValidatorsRoot(ctx, make([]byte, fieldparams.RootLength))
			require.NoError(t, err)
			srv.valDB = validatorDB

			// Have to close it after import is done otherwise it complains db is not open.
			defer func() {
				require.NoError(t, validatorDB.Close())
			}()

			request := &DeleteKeystoresRequest{
				Pubkeys: []string{"0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591494"},
			}
			var buf bytes.Buffer
			err = json.NewEncoder(&buf).Encode(request)
			require.NoError(t, err)
			req := httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/keystores"), &buf)
			wr := httptest.NewRecorder()
			wr.Body = &bytes.Buffer{}
			srv.DeleteKeystores(wr, req)
			require.Equal(t, http.StatusOK, wr.Code)
			resp := &DeleteKeystoresResponse{}
			require.NoError(t, json.Unmarshal(wr.Body.Bytes(), resp))
			require.Equal(t, 1, len(resp.Data))
			require.Equal(t, keymanager.StatusError, resp.Data[0].Status)
			require.Equal(t, "Could not export slashing protection history as existing non duplicate keys were deleted",
				resp.Data[0].Message,
			)
		})
	}
}

func TestServer_DeleteKeystores_WrongKeymanagerKind(t *testing.T) {
	ctx := context.Background()
	w := wallet.NewWalletForWeb3Signer()
	root := make([]byte, fieldparams.RootLength)
	root[0] = 1
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false,
		Web3SignerConfig: &remoteweb3signer.SetupConfig{
			BaseEndpoint:          "http://example.com",
			GenesisValidatorsRoot: root,
			PublicKeysURL:         "http://example.com/public_keys",
		}})
	require.NoError(t, err)
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Wallet: w,
		Validator: &mock.Validator{
			Km: km,
		},
	})
	require.NoError(t, err)
	s := &Server{
		walletInitialized: true,
		wallet:            w,
		validatorService:  vs,
	}
	request := &DeleteKeystoresRequest{
		Pubkeys: []string{"0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591494"},
	}
	var buf bytes.Buffer
	err = json.NewEncoder(&buf).Encode(request)
	require.NoError(t, err)
	req := httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/keystores"), &buf)
	wr := httptest.NewRecorder()
	wr.Body = &bytes.Buffer{}
	s.DeleteKeystores(wr, req)
	require.Equal(t, http.StatusInternalServerError, wr.Code)
	require.StringContains(t, "Wrong wallet type", wr.Body.String())
	require.StringContains(t, "Only Imported or Derived wallets can delete accounts", wr.Body.String())
}

func setupServerWithWallet(t testing.TB) *Server {
	ctx := context.Background()
	localWalletDir := setupWalletDir(t)
	defaultWalletPath = localWalletDir
	opts := []accounts.Option{
		accounts.WithWalletDir(defaultWalletPath),
		accounts.WithKeymanagerType(keymanager.Derived),
		accounts.WithWalletPassword(strongPass),
		accounts.WithSkipMnemonicConfirm(true),
	}
	acc, err := accounts.NewCLIManager(opts...)
	require.NoError(t, err)
	w, err := acc.WalletCreate(ctx)
	require.NoError(t, err)
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false})
	require.NoError(t, err)
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Wallet: w,
		Validator: &mock.Validator{
			Km: km,
		},
	})
	require.NoError(t, err)

	return &Server{
		walletInitialized: true,
		wallet:            w,
		validatorService:  vs,
	}
}

func TestServer_SetVoluntaryExit(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	ctx := grpc.NewContextWithServerTransportStream(context.Background(), &runtime.ServerTransportStream{})
	defaultWalletPath = setupWalletDir(t)
	opts := []accounts.Option{
		accounts.WithWalletDir(defaultWalletPath),
		accounts.WithKeymanagerType(keymanager.Derived),
		accounts.WithWalletPassword(strongPass),
		accounts.WithSkipMnemonicConfirm(true),
	}
	acc, err := accounts.NewCLIManager(opts...)
	require.NoError(t, err)
	w, err := acc.WalletCreate(ctx)
	require.NoError(t, err)
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false})
	require.NoError(t, err)

	m := &mock.Validator{Km: km}
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Validator: m,
	})
	require.NoError(t, err)

	dr, ok := km.(*derived.Keymanager)
	require.Equal(t, true, ok)
	err = dr.RecoverAccountsFromMnemonic(ctx, mocks.TestMnemonic, derived.DefaultMnemonicLanguage, "", 1)
	require.NoError(t, err)
	pubKeys, err := dr.FetchValidatingPublicKeys(ctx)
	require.NoError(t, err)

	beaconClient := validatormock.NewMockValidatorClient(ctrl)
	mockNodeClient := validatormock.NewMockNodeClient(ctrl)
	// Any time in the past will suffice
	genesisTime := &timestamppb.Timestamp{
		Seconds: time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC).Unix(),
	}

	beaconClient.EXPECT().ValidatorIndex(gomock.Any(), &eth.ValidatorIndexRequest{PublicKey: pubKeys[0][:]}).
		Times(3).
		Return(&eth.ValidatorIndexResponse{Index: 2}, nil)

	beaconClient.EXPECT().DomainData(
		gomock.Any(), // ctx
		gomock.Any(), // epoch
	).Times(3).
		Return(&eth.DomainResponse{SignatureDomain: make([]byte, common.HashLength)}, nil /*err*/)

	mockNodeClient.EXPECT().
		GetGenesis(gomock.Any(), gomock.Any()).
		Times(3).
		Return(&eth.Genesis{GenesisTime: genesisTime}, nil)

	s := &Server{
		validatorService:          vs,
		beaconNodeValidatorClient: beaconClient,
		wallet:                    w,
		beaconNodeClient:          mockNodeClient,
		walletInitialized:         w != nil,
	}

	type want struct {
		epoch          primitives.Epoch
		validatorIndex uint64
		signature      []byte
	}

	type wantError struct {
		expectedStatusCode int
		expectedErrorMsg   string
	}

	tests := []struct {
		name      string
		epoch     string
		pubkey    string
		w         want
		wError    *wantError
		mockSetup func(s *Server) error
	}{
		{
			name:   "Ok: with epoch",
			epoch:  "30000000",
			pubkey: hexutil.Encode(pubKeys[0][:]),
			w: want{
				epoch:          30000000,
				validatorIndex: 2,
				signature:      []uint8{175, 157, 5, 134, 253, 2, 193, 35, 176, 43, 217, 36, 39, 240, 24, 79, 207, 133, 150, 7, 237, 16, 54, 244, 64, 27, 244, 17, 8, 225, 140, 1, 172, 24, 35, 95, 178, 116, 172, 213, 113, 182, 193, 61, 192, 65, 162, 253, 19, 202, 111, 164, 195, 215, 0, 205, 95, 7, 30, 251, 244, 157, 210, 155, 238, 30, 35, 219, 177, 232, 174, 62, 218, 69, 23, 249, 180, 140, 60, 29, 190, 249, 229, 95, 235, 236, 81, 33, 60, 4, 201, 227, 70, 239, 167, 2},
			},
		},
		{
			name:   "Ok: epoch not set",
			pubkey: hexutil.Encode(pubKeys[0][:]),
			w: want{
				epoch:          0,
				validatorIndex: 2,
				signature:      []uint8{},
			},
		},
		{
			name:  "Error: Missing Public Key in URL Params",
			epoch: "30000000",
			wError: &wantError{
				expectedStatusCode: http.StatusBadRequest,
				expectedErrorMsg:   "pubkey is required",
			},
		},
		{
			name:   "Error: Invalid Public Key Length",
			epoch:  "30000000",
			pubkey: "0x1asd1231",
			wError: &wantError{
				expectedStatusCode: http.StatusBadRequest,
				expectedErrorMsg:   "pubkey is invalid: invalid hex string",
			},
		},
		{
			name:   "Error: No Wallet Found",
			epoch:  "30000000",
			pubkey: hexutil.Encode(pubKeys[0][:]),
			wError: &wantError{
				expectedStatusCode: http.StatusServiceUnavailable,
				expectedErrorMsg:   "No wallet found",
			},
			mockSetup: func(s *Server) error {
				s.wallet = nil
				s.walletInitialized = false
				return nil
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if tt.mockSetup != nil {
				require.NoError(t, tt.mockSetup(s))
			}
			req := httptest.NewRequest("POST", fmt.Sprintf("/eth/v1/validator/{pubkey}/voluntary_exit?epoch=%s", tt.epoch), nil)
			req = mux.SetURLVars(req, map[string]string{"pubkey": tt.pubkey})
			w := httptest.NewRecorder()
			w.Body = &bytes.Buffer{}

			s.SetVoluntaryExit(w, req)
			if tt.wError != nil {
				assert.Equal(t, tt.wError.expectedStatusCode, w.Code)
				require.StringContains(t, tt.wError.expectedErrorMsg, w.Body.String())
				return
			} else {
				assert.Equal(t, http.StatusOK, w.Code)
			}
			resp := &SetVoluntaryExitResponse{}
			require.NoError(t, json.Unmarshal(w.Body.Bytes(), resp))
			if tt.w.epoch == 0 {
				genesisResponse, err := s.beaconNodeClient.GetGenesis(ctx, &emptypb.Empty{})
				require.NoError(t, err)
				tt.w.epoch, err = client.CurrentEpoch(genesisResponse.GenesisTime)
				require.NoError(t, err)
				req2 := httptest.NewRequest("POST", fmt.Sprintf("/eth/v1/validator/{pubkey}/voluntary_exit?epoch=%s", tt.epoch), nil)
				req2 = mux.SetURLVars(req2, map[string]string{"pubkey": hexutil.Encode(pubKeys[0][:])})
				w2 := httptest.NewRecorder()
				w2.Body = &bytes.Buffer{}
				s.SetVoluntaryExit(w2, req2)
				if tt.wError != nil {
					assert.Equal(t, tt.wError.expectedStatusCode, w2.Code)
					require.StringContains(t, tt.wError.expectedErrorMsg, w2.Body.String())
				} else {
					assert.Equal(t, http.StatusOK, w2.Code)
					resp2 := &SetVoluntaryExitResponse{}
					require.NoError(t, json.Unmarshal(w2.Body.Bytes(), resp2))
					tt.w.signature, err = hexutil.Decode(resp2.Data.Signature)
					require.NoError(t, err)
				}

			}
			if tt.wError == nil {
				require.Equal(t, fmt.Sprintf("%d", tt.w.epoch), resp.Data.Message.Epoch)
				require.Equal(t, fmt.Sprintf("%d", tt.w.validatorIndex), resp.Data.Message.ValidatorIndex)
				require.NotEmpty(t, resp.Data.Signature)
				bSig, err := hexutil.Decode(resp.Data.Signature)
				require.NoError(t, err)
				ok = bytes.Equal(tt.w.signature, bSig)
				require.Equal(t, true, ok)
			}
		})
	}
}

func TestServer_GetGasLimit(t *testing.T) {
	ctx := context.Background()
	byteval, err := hexutil.Decode("0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493")
	byteval2, err2 := hexutil.Decode("0x1234567878903438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493")
	require.NoError(t, err)
	require.NoError(t, err2)

	tests := []struct {
		name   string
		args   *proposer.Settings
		pubkey [48]byte
		want   uint64
	}{
		{
			name: "ProposerSetting for specific pubkey exists",
			args: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(byteval): {
						BuilderConfig: &proposer.BuilderConfig{GasLimit: 123456789},
					},
				},
				DefaultConfig: &proposer.Option{
					BuilderConfig: &proposer.BuilderConfig{GasLimit: 987654321},
				},
			},
			pubkey: bytesutil.ToBytes48(byteval),
			want:   123456789,
		},
		{
			name: "ProposerSetting for specific pubkey does not exist",
			args: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(byteval): {
						BuilderConfig: &proposer.BuilderConfig{GasLimit: 123456789},
					},
				},
				DefaultConfig: &proposer.Option{
					BuilderConfig: &proposer.BuilderConfig{GasLimit: 987654321},
				},
			},
			// no settings for the following validator, so the gaslimit returned is the default value.
			pubkey: bytesutil.ToBytes48(byteval2),
			want:   987654321,
		},
		{
			name:   "No proposerSetting at all",
			args:   nil,
			pubkey: bytesutil.ToBytes48(byteval),
			want:   params.BeaconConfig().DefaultBuilderGasLimit,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			m := &mock.Validator{}
			err := m.SetProposerSettings(ctx, tt.args)
			require.NoError(t, err)
			vs, err := client.NewValidatorService(ctx, &client.Config{
				Validator: m,
			})
			require.NoError(t, err)
			s := &Server{
				validatorService: vs,
			}
			req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/validator/{pubkey}/gas_limit"), nil)
			req = mux.SetURLVars(req, map[string]string{"pubkey": hexutil.Encode(tt.pubkey[:])})
			w := httptest.NewRecorder()
			w.Body = &bytes.Buffer{}
			s.GetGasLimit(w, req)
			assert.Equal(t, http.StatusOK, w.Code)
			resp := &GetGasLimitResponse{}
			require.NoError(t, json.Unmarshal(w.Body.Bytes(), resp))
			assert.Equal(t, fmt.Sprintf("%d", tt.want), resp.Data.GasLimit)
		})
	}
}

func TestServer_SetGasLimit(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()
	beaconClient := validatormock.NewMockValidatorClient(ctrl)
	ctx := grpc.NewContextWithServerTransportStream(context.Background(), &runtime.ServerTransportStream{})

	pubkey1, err := hexutil.Decode("0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493")
	pubkey2, err2 := hexutil.Decode("0xbedefeaa94e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2cdddddddddddddddddddddddd")
	require.NoError(t, err)
	require.NoError(t, err2)

	type beaconResp struct {
		resp  *eth.FeeRecipientByPubKeyResponse
		error error
	}

	type want struct {
		pubkey   []byte
		gaslimit uint64
	}

	tests := []struct {
		name             string
		pubkey           []byte
		newGasLimit      uint64
		proposerSettings *proposer.Settings
		w                []*want
		beaconReturn     *beaconResp
		wantErr          string
	}{
		{
			name:             "ProposerSettings is nil",
			pubkey:           pubkey1,
			newGasLimit:      9999,
			proposerSettings: nil,
			wantErr:          "No proposer settings were found to update",
		},
		{
			name:        "ProposerSettings.ProposeConfig is nil AND ProposerSettings.DefaultConfig is nil",
			pubkey:      pubkey1,
			newGasLimit: 9999,
			proposerSettings: &proposer.Settings{
				ProposeConfig: nil,
				DefaultConfig: nil,
			},
			wantErr: "Gas limit changes only apply when builder is enabled",
		},
		{
			name:        "ProposerSettings.ProposeConfig is nil AND ProposerSettings.DefaultConfig.BuilderConfig is nil",
			pubkey:      pubkey1,
			newGasLimit: 9999,
			proposerSettings: &proposer.Settings{
				ProposeConfig: nil,
				DefaultConfig: &proposer.Option{
					BuilderConfig: nil,
				},
			},
			wantErr: "Gas limit changes only apply when builder is enabled",
		},
		{
			name:        "ProposerSettings.ProposeConfig is defined for pubkey, BuilderConfig is nil AND ProposerSettings.DefaultConfig is nil",
			pubkey:      pubkey1,
			newGasLimit: 9999,
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(pubkey1): {
						BuilderConfig: nil,
					},
				},
				DefaultConfig: nil,
			},
			wantErr: "Gas limit changes only apply when builder is enabled",
		},
		{
			name:        "ProposerSettings.ProposeConfig is defined for pubkey, BuilderConfig is defined AND ProposerSettings.DefaultConfig is nil",
			pubkey:      pubkey1,
			newGasLimit: 9999,
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(pubkey1): {
						BuilderConfig: &proposer.BuilderConfig{},
					},
				},
				DefaultConfig: nil,
			},
			wantErr: "Gas limit changes only apply when builder is enabled",
		},
		{
			name:        "ProposerSettings.ProposeConfig is NOT defined for pubkey, BuilderConfig is defined AND ProposerSettings.DefaultConfig is nil",
			pubkey:      pubkey2,
			newGasLimit: 9999,
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(pubkey2): {
						BuilderConfig: &proposer.BuilderConfig{
							Enabled:  true,
							GasLimit: 12345,
						},
					},
				},
				DefaultConfig: nil,
			},
			w: []*want{{
				pubkey2,
				9999,
			},
			},
		},
		{
			name:        "ProposerSettings.ProposeConfig is defined for pubkey, BuilderConfig is nil AND ProposerSettings.DefaultConfig.BuilderConfig is defined",
			pubkey:      pubkey1,
			newGasLimit: 9999,
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(pubkey2): {
						BuilderConfig: nil,
					},
				},
				DefaultConfig: &proposer.Option{
					BuilderConfig: &proposer.BuilderConfig{
						Enabled: true,
					},
				},
			},
			w: []*want{{
				pubkey1,
				9999,
			},
			},
		},
	}
	for _, isSlashingProtectionMinimal := range [...]bool{false, true} {
		for _, tt := range tests {
			t.Run(fmt.Sprintf("%s/isSlashingProtectionMinimal:%v", tt.name, isSlashingProtectionMinimal), func(t *testing.T) {
				m := &mock.Validator{}
				err := m.SetProposerSettings(ctx, tt.proposerSettings)
				require.NoError(t, err)
				validatorDB := dbtest.SetupDB(t, [][fieldparams.BLSPubkeyLength]byte{}, isSlashingProtectionMinimal)
				vs, err := client.NewValidatorService(ctx, &client.Config{
					Validator: m,
					ValDB:     validatorDB,
				})
				require.NoError(t, err)

				s := &Server{
					validatorService:          vs,
					beaconNodeValidatorClient: beaconClient,
					valDB:                     validatorDB,
				}

				if tt.beaconReturn != nil {
					beaconClient.EXPECT().GetFeeRecipientByPubKey(
						gomock.Any(),
						gomock.Any(),
					).Return(tt.beaconReturn.resp, tt.beaconReturn.error)
				}

				request := &SetGasLimitRequest{
					GasLimit: fmt.Sprintf("%d", tt.newGasLimit),
				}

				var buf bytes.Buffer
				err = json.NewEncoder(&buf).Encode(request)
				require.NoError(t, err)

				req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/validator/{pubkey}/gas_limit"), &buf)
				req = mux.SetURLVars(req, map[string]string{"pubkey": hexutil.Encode(tt.pubkey)})
				w := httptest.NewRecorder()
				w.Body = &bytes.Buffer{}

				s.SetGasLimit(w, req)

				if tt.wantErr != "" {
					assert.NotEqual(t, http.StatusOK, w.Code)
					require.StringContains(t, tt.wantErr, w.Body.String())
				} else {
					assert.Equal(t, http.StatusAccepted, w.Code)
					for _, wantObj := range tt.w {
						assert.Equal(t, wantObj.gaslimit, uint64(s.validatorService.ProposerSettings().ProposeConfig[bytesutil.ToBytes48(wantObj.pubkey)].BuilderConfig.GasLimit))
					}
				}
			})
		}
	}
}

func TestServer_SetGasLimit_ValidatorServiceNil(t *testing.T) {
	s := &Server{}
	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/validator/{pubkey}/gas_limit"), nil)
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}

	s.SetGasLimit(w, req)
	assert.NotEqual(t, http.StatusOK, w.Code)
	require.StringContains(t, "Validator service not ready", w.Body.String())
}

func TestServer_SetGasLimit_InvalidPubKey(t *testing.T) {
	s := &Server{
		validatorService: &client.ValidatorService{},
	}
	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/validator/{pubkey}/gas_limit"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": "0x00"})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}

	s.SetGasLimit(w, req)
	assert.NotEqual(t, http.StatusOK, w.Code)
	require.StringContains(t, "Invalid pubkey", w.Body.String())
}

func TestServer_DeleteGasLimit(t *testing.T) {
	ctx := grpc.NewContextWithServerTransportStream(context.Background(), &runtime.ServerTransportStream{})
	pubkey1, err := hexutil.Decode("0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493")
	pubkey2, err2 := hexutil.Decode("0xbedefeaa94e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2cdddddddddddddddddddddddd")
	require.NoError(t, err)
	require.NoError(t, err2)

	// This test changes global default values, we do not want this to side-affect other
	// tests, so store the origin global default and then restore after tests are done.
	originBeaconChainGasLimit := params.BeaconConfig().DefaultBuilderGasLimit
	defer func() {
		params.BeaconConfig().DefaultBuilderGasLimit = originBeaconChainGasLimit
	}()

	globalDefaultGasLimit := validator.Uint64(0xbbdd)

	type want struct {
		pubkey   []byte
		gaslimit validator.Uint64
	}

	tests := []struct {
		name             string
		pubkey           []byte
		proposerSettings *proposer.Settings
		wantError        error
		w                []want
	}{
		{
			name:   "delete existing gas limit with default config",
			pubkey: pubkey1,
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(pubkey1): {
						BuilderConfig: &proposer.BuilderConfig{GasLimit: validator.Uint64(987654321)},
					},
					bytesutil.ToBytes48(pubkey2): {
						BuilderConfig: &proposer.BuilderConfig{GasLimit: validator.Uint64(123456789)},
					},
				},
				DefaultConfig: &proposer.Option{
					BuilderConfig: &proposer.BuilderConfig{GasLimit: validator.Uint64(5555)},
				},
			},
			wantError: nil,
			w: []want{
				{
					pubkey: pubkey1,
					// After deletion, use DefaultConfig.BuilderConfig.GasLimitMetaData.
					gaslimit: validator.Uint64(5555),
				},
				{
					pubkey:   pubkey2,
					gaslimit: validator.Uint64(123456789),
				},
			},
		},
		{
			name:   "delete existing gas limit with no default config",
			pubkey: pubkey1,
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(pubkey1): {
						BuilderConfig: &proposer.BuilderConfig{GasLimit: validator.Uint64(987654321)},
					},
					bytesutil.ToBytes48(pubkey2): {
						BuilderConfig: &proposer.BuilderConfig{GasLimit: validator.Uint64(123456789)},
					},
				},
			},
			wantError: nil,
			w: []want{
				{
					pubkey: pubkey1,
					// After deletion, use global default, because DefaultConfig is not set at all.
					gaslimit: globalDefaultGasLimit,
				},
				{
					pubkey:   pubkey2,
					gaslimit: validator.Uint64(123456789),
				},
			},
		},
		{
			name:   "delete nonexist gas limit",
			pubkey: pubkey2,
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(pubkey1): {
						BuilderConfig: &proposer.BuilderConfig{GasLimit: validator.Uint64(987654321)},
					},
				},
			},
			wantError: fmt.Errorf("%d", http.StatusNotFound),
			w: []want{
				// pubkey1's gaslimit is unaffected
				{
					pubkey:   pubkey1,
					gaslimit: validator.Uint64(987654321),
				},
			},
		},
		{
			name:      "delete nonexist gas limit 2",
			pubkey:    pubkey2,
			wantError: fmt.Errorf("%d", http.StatusNotFound),
			w:         []want{},
		},
	}
	for _, isSlashingProtectionMinimal := range [...]bool{false, true} {
		for _, tt := range tests {
			t.Run(fmt.Sprintf("%s/isSlashingProtectionMinimal:%v", tt.name, isSlashingProtectionMinimal), func(t *testing.T) {
				m := &mock.Validator{}
				err := m.SetProposerSettings(ctx, tt.proposerSettings)
				require.NoError(t, err)
				validatorDB := dbtest.SetupDB(t, [][fieldparams.BLSPubkeyLength]byte{}, isSlashingProtectionMinimal)
				vs, err := client.NewValidatorService(ctx, &client.Config{
					Validator: m,
					ValDB:     validatorDB,
				})
				require.NoError(t, err)
				s := &Server{
					validatorService: vs,
					valDB:            validatorDB,
				}
				// Set up global default value for builder gas limit.
				params.BeaconConfig().DefaultBuilderGasLimit = uint64(globalDefaultGasLimit)

				req := httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/validator/{pubkey}/gas_limit"), nil)
				req = mux.SetURLVars(req, map[string]string{"pubkey": hexutil.Encode(tt.pubkey)})
				w := httptest.NewRecorder()
				w.Body = &bytes.Buffer{}

				s.DeleteGasLimit(w, req)

				if tt.wantError != nil {
					assert.StringContains(t, tt.wantError.Error(), w.Body.String())
				} else {
					assert.Equal(t, http.StatusNoContent, w.Code)
				}
				for _, wantedObj := range tt.w {
					assert.Equal(t, wantedObj.gaslimit, s.validatorService.ProposerSettings().ProposeConfig[bytesutil.ToBytes48(wantedObj.pubkey)].BuilderConfig.GasLimit)
				}
			})
		}
	}
}

func TestServer_ListRemoteKeys(t *testing.T) {
	ctx := context.Background()
	w := wallet.NewWalletForWeb3Signer()
	root := make([]byte, fieldparams.RootLength)
	root[0] = 1
	bytevalue, err := hexutil.Decode("0x93247f2209abcacf57b75a51dafae777f9dd38bc7053d1af526f220a7489a6d3a2753e5f3e8b1cfe39b56f43611df74a")
	require.NoError(t, err)
	pubkeys := [][fieldparams.BLSPubkeyLength]byte{bytesutil.ToBytes48(bytevalue)}
	config := &remoteweb3signer.SetupConfig{
		BaseEndpoint:          "http://example.com",
		GenesisValidatorsRoot: root,
		ProvidedPublicKeys:    pubkeys,
	}
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false, Web3SignerConfig: config})
	require.NoError(t, err)
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Wallet: w,
		Validator: &mock.Validator{
			Km: km,
		},
		Web3SignerConfig: config,
	})
	require.NoError(t, err)
	s := &Server{
		walletInitialized: true,
		wallet:            w,
		validatorService:  vs,
	}
	expectedKeys, err := km.FetchValidatingPublicKeys(ctx)
	require.NoError(t, err)

	t.Run("returns proper data with existing pub keystores", func(t *testing.T) {
		req := httptest.NewRequest(http.MethodGet, "/eth/v1/remotekeys", nil)
		w := httptest.NewRecorder()
		w.Body = &bytes.Buffer{}
		s.ListRemoteKeys(w, req)
		assert.Equal(t, http.StatusOK, w.Code)
		resp := &ListRemoteKeysResponse{}
		require.NoError(t, json.Unmarshal(w.Body.Bytes(), resp))
		for i := 0; i < len(resp.Data); i++ {
			require.DeepEqual(t, hexutil.Encode(expectedKeys[i][:]), resp.Data[i].Pubkey)
		}
	})
}

func TestServer_ImportRemoteKeys(t *testing.T) {
	ctx := context.Background()
	w := wallet.NewWalletForWeb3Signer()
	root := make([]byte, fieldparams.RootLength)
	root[0] = 1
	config := &remoteweb3signer.SetupConfig{
		BaseEndpoint:          "http://example.com",
		GenesisValidatorsRoot: root,
		ProvidedPublicKeys:    nil,
	}
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false, Web3SignerConfig: config})
	require.NoError(t, err)
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Wallet: w,
		Validator: &mock.Validator{
			Km: km,
		},
		Web3SignerConfig: config,
	})
	require.NoError(t, err)
	s := &Server{
		walletInitialized: true,
		wallet:            w,
		validatorService:  vs,
	}
	pubkey := "0x93247f2209abcacf57b75a51dafae777f9dd38bc7053d1af526f220a7489a6d3a2753e5f3e8b1cfe39b56f43611df74a"
	remoteKeys := []*RemoteKey{
		{
			Pubkey: pubkey,
		},
	}

	t.Run("returns proper data with existing pub keystores", func(t *testing.T) {
		var body bytes.Buffer
		b, err := json.Marshal(&ImportRemoteKeysRequest{RemoteKeys: remoteKeys})
		require.NoError(t, err)
		body.Write(b)
		req := httptest.NewRequest("GET", "/eth/v1/remotekeys", &body)
		w := httptest.NewRecorder()
		w.Body = &bytes.Buffer{}
		s.ImportRemoteKeys(w, req)
		assert.Equal(t, http.StatusOK, w.Code)
		expectedStatuses := []*keymanager.KeyStatus{
			{
				Status:  keymanager.StatusImported,
				Message: fmt.Sprintf("Successfully added pubkey: %v", pubkey),
			},
		}
		resp := &RemoteKeysResponse{}
		require.NoError(t, json.Unmarshal(w.Body.Bytes(), resp))
		for i := 0; i < len(resp.Data); i++ {
			require.DeepEqual(t, expectedStatuses[i], resp.Data[i])
			require.Equal(t, fmt.Sprintf("%v", expectedStatuses[i].Status), strings.ToLower(string(resp.Data[i].Status)))
		}
	})
}

func TestServer_DeleteRemoteKeys(t *testing.T) {
	ctx := context.Background()
	w := wallet.NewWalletForWeb3Signer()
	root := make([]byte, fieldparams.RootLength)
	root[0] = 1
	pkey := "0x93247f2209abcacf57b75a51dafae777f9dd38bc7053d1af526f220a7489a6d3a2753e5f3e8b1cfe39b56f43611df74a"
	bytevalue, err := hexutil.Decode(pkey)
	require.NoError(t, err)
	pubkeys := [][fieldparams.BLSPubkeyLength]byte{bytesutil.ToBytes48(bytevalue)}
	config := &remoteweb3signer.SetupConfig{
		BaseEndpoint:          "http://example.com",
		GenesisValidatorsRoot: root,
		ProvidedPublicKeys:    pubkeys,
	}
	km, err := w.InitializeKeymanager(ctx, iface.InitKeymanagerConfig{ListenForChanges: false, Web3SignerConfig: config})
	require.NoError(t, err)
	vs, err := client.NewValidatorService(ctx, &client.Config{
		Wallet: w,
		Validator: &mock.Validator{
			Km: km,
		},
		Web3SignerConfig: config,
	})
	require.NoError(t, err)
	s := &Server{
		walletInitialized: true,
		wallet:            w,
		validatorService:  vs,
	}

	t.Run("returns proper data with existing pub keystores", func(t *testing.T) {
		var body bytes.Buffer
		b, err := json.Marshal(&DeleteRemoteKeysRequest{
			Pubkeys: []string{pkey},
		})
		require.NoError(t, err)
		body.Write(b)
		req := httptest.NewRequest("DELETE", "/eth/v1/remotekeys", &body)
		w := httptest.NewRecorder()
		w.Body = &bytes.Buffer{}
		s.DeleteRemoteKeys(w, req)
		assert.Equal(t, http.StatusOK, w.Code)
		expectedStatuses := []*keymanager.KeyStatus{
			{
				Status:  keymanager.StatusDeleted,
				Message: fmt.Sprintf("Successfully deleted pubkey: %v", pkey),
			},
		}
		resp := &RemoteKeysResponse{}
		require.NoError(t, json.Unmarshal(w.Body.Bytes(), resp))
		for i := 0; i < len(resp.Data); i++ {
			require.DeepEqual(t, expectedStatuses[i], resp.Data[i])

		}
		expectedKeys, err := km.FetchValidatingPublicKeys(ctx)
		require.NoError(t, err)
		require.Equal(t, 0, len(expectedKeys))
	})
}

func TestServer_ListFeeRecipientByPubkey(t *testing.T) {
	ctx := context.Background()
	pubkey := "0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493"
	byteval, err := hexutil.Decode(pubkey)
	require.NoError(t, err)

	type want struct {
		EthAddress string
	}

	tests := []struct {
		name   string
		args   *proposer.Settings
		want   *want
		cached *eth.FeeRecipientByPubKeyResponse
	}{
		{
			name: "ProposerSettings.ProposeConfig.FeeRecipientConfig defined for pubkey (and ProposerSettings.DefaultConfig.FeeRecipientConfig defined)",
			args: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(byteval): {
						FeeRecipientConfig: &proposer.FeeRecipientConfig{
							FeeRecipient: common.HexToAddress("0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9"),
						},
					},
				},
				DefaultConfig: &proposer.Option{
					FeeRecipientConfig: &proposer.FeeRecipientConfig{
						FeeRecipient: common.HexToAddress("0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"),
					},
				},
			},
			want: &want{
				EthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
		},
		{
			name: "ProposerSettings.ProposeConfig.FeeRecipientConfig NOT defined for pubkey and ProposerSettings.DefaultConfig.FeeRecipientConfig defined",
			args: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{},
				DefaultConfig: &proposer.Option{
					FeeRecipientConfig: &proposer.FeeRecipientConfig{
						FeeRecipient: common.HexToAddress("0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9"),
					},
				},
			},
			want: &want{
				EthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			m := &mock.Validator{}
			err := m.SetProposerSettings(ctx, tt.args)
			require.NoError(t, err)

			vs, err := client.NewValidatorService(ctx, &client.Config{
				Validator: m,
			})
			require.NoError(t, err)

			s := &Server{
				validatorService: vs,
			}
			req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), nil)
			req = mux.SetURLVars(req, map[string]string{"pubkey": pubkey})
			w := httptest.NewRecorder()
			w.Body = &bytes.Buffer{}
			s.ListFeeRecipientByPubkey(w, req)
			assert.Equal(t, http.StatusOK, w.Code)
			resp := &GetFeeRecipientByPubkeyResponse{}
			require.NoError(t, json.Unmarshal(w.Body.Bytes(), resp))
			assert.Equal(t, tt.want.EthAddress, resp.Data.Ethaddress)
		})
	}
}

func TestServer_ListFeeRecipientByPubKey_NoFeeRecipientSet(t *testing.T) {
	ctx := context.Background()

	vs, err := client.NewValidatorService(ctx, &client.Config{
		Validator: &mock.Validator{},
	})
	require.NoError(t, err)

	s := &Server{
		validatorService: vs,
	}
	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": "0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493"})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.ListFeeRecipientByPubkey(w, req)
	assert.NotEqual(t, http.StatusOK, w.Code)
	require.StringContains(t, "No fee recipient set", w.Body.String())
}

func TestServer_ListFeeRecipientByPubkey_ValidatorServiceNil(t *testing.T) {
	s := &Server{}
	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": "0x00"})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.SetFeeRecipientByPubkey(w, req)
	assert.NotEqual(t, http.StatusOK, w.Code)
	require.StringContains(t, "Validator service not ready", w.Body.String())
}

func TestServer_ListFeeRecipientByPubkey_InvalidPubKey(t *testing.T) {
	s := &Server{
		validatorService: &client.ValidatorService{},
	}

	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": "0x00"})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.SetFeeRecipientByPubkey(w, req)
	assert.NotEqual(t, http.StatusOK, w.Code)
	require.StringContains(t, "Invalid pubkey", w.Body.String())
}

func TestServer_FeeRecipientByPubkey(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	beaconClient := validatormock.NewMockValidatorClient(ctrl)
	ctx := grpc.NewContextWithServerTransportStream(context.Background(), &runtime.ServerTransportStream{})
	pubkey := "0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493"
	byteval, err := hexutil.Decode(pubkey)
	require.NoError(t, err)

	type want struct {
		valEthAddress     string
		defaultEthaddress string
	}
	type beaconResp struct {
		resp  *eth.FeeRecipientByPubKeyResponse
		error error
	}
	tests := []struct {
		name             string
		args             string
		proposerSettings *proposer.Settings
		want             *want
		wantErr          bool
		beaconReturn     *beaconResp
	}{
		{
			name:             "ProposerSetting is nil",
			args:             "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			proposerSettings: nil,
			want: &want{
				valEthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
			wantErr: false,
			beaconReturn: &beaconResp{
				resp:  nil,
				error: nil,
			},
		},
		{
			name: "ProposerSetting.ProposeConfig is nil",
			args: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			proposerSettings: &proposer.Settings{
				ProposeConfig: nil,
			},
			want: &want{
				valEthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
			wantErr: false,
			beaconReturn: &beaconResp{
				resp:  nil,
				error: nil,
			},
		},
		{
			name: "ProposerSetting.ProposeConfig is nil AND ProposerSetting.Defaultconfig is defined",
			args: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			proposerSettings: &proposer.Settings{
				ProposeConfig: nil,
				DefaultConfig: &proposer.Option{},
			},
			want: &want{
				valEthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
			wantErr: false,
			beaconReturn: &beaconResp{
				resp:  nil,
				error: nil,
			},
		},
		{
			name: "ProposerSetting.ProposeConfig is defined for pubkey",
			args: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(byteval): {},
				},
			},
			want: &want{
				valEthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
			wantErr: false,
			beaconReturn: &beaconResp{
				resp:  nil,
				error: nil,
			},
		},
		{
			name: "ProposerSetting.ProposeConfig not defined for pubkey",
			args: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{},
			},
			want: &want{
				valEthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
			wantErr: false,
			beaconReturn: &beaconResp{
				resp:  nil,
				error: nil,
			},
		},
		{
			name: "ProposerSetting.ProposeConfig is nil for pubkey",
			args: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(byteval): nil,
				},
			},
			want: &want{
				valEthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
			wantErr: false,
			beaconReturn: &beaconResp{
				resp:  nil,
				error: nil,
			},
		},
		{
			name: "ProposerSetting.ProposeConfig is nil for pubkey AND DefaultConfig is not nil",
			args: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(byteval): nil,
				},
				DefaultConfig: &proposer.Option{},
			},
			want: &want{
				valEthAddress: "0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9",
			},
			wantErr: false,
			beaconReturn: &beaconResp{
				resp:  nil,
				error: nil,
			},
		},
	}
	for _, isSlashingProtectionMinimal := range [...]bool{false, true} {
		for _, tt := range tests {
			t.Run(fmt.Sprintf("%s/isSlashingProtectionMinimal:%v", tt.name, isSlashingProtectionMinimal), func(t *testing.T) {
				m := &mock.Validator{}
				err := m.SetProposerSettings(ctx, tt.proposerSettings)
				require.NoError(t, err)
				validatorDB := dbtest.SetupDB(t, [][fieldparams.BLSPubkeyLength]byte{}, isSlashingProtectionMinimal)

				// save a default here
				vs, err := client.NewValidatorService(ctx, &client.Config{
					Validator: m,
					ValDB:     validatorDB,
				})
				require.NoError(t, err)
				s := &Server{
					validatorService:          vs,
					beaconNodeValidatorClient: beaconClient,
					valDB:                     validatorDB,
				}
				request := &SetFeeRecipientByPubkeyRequest{
					Ethaddress: tt.args,
				}

				var buf bytes.Buffer
				err = json.NewEncoder(&buf).Encode(request)
				require.NoError(t, err)

				req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), &buf)
				req = mux.SetURLVars(req, map[string]string{"pubkey": pubkey})
				w := httptest.NewRecorder()
				w.Body = &bytes.Buffer{}
				s.SetFeeRecipientByPubkey(w, req)
				assert.Equal(t, http.StatusAccepted, w.Code)

				assert.Equal(t, tt.want.valEthAddress, s.validatorService.ProposerSettings().ProposeConfig[bytesutil.ToBytes48(byteval)].FeeRecipientConfig.FeeRecipient.Hex())
			})
		}
	}
}

func TestServer_SetFeeRecipientByPubkey_InvalidPubKey(t *testing.T) {
	s := &Server{
		validatorService: &client.ValidatorService{},
	}
	req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": "0x00"})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.SetFeeRecipientByPubkey(w, req)
	assert.NotEqual(t, http.StatusAccepted, w.Code)
	require.StringContains(t, "Invalid pubkey", w.Body.String())
}

func TestServer_SetFeeRecipientByPubkey_InvalidFeeRecipient(t *testing.T) {
	pubkey := "0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493"

	s := &Server{
		validatorService: &client.ValidatorService{},
	}
	request := &SetFeeRecipientByPubkeyRequest{
		Ethaddress: "0x00",
	}

	var buf bytes.Buffer
	err := json.NewEncoder(&buf).Encode(request)
	require.NoError(t, err)
	req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), &buf)
	req = mux.SetURLVars(req, map[string]string{"pubkey": pubkey})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.SetFeeRecipientByPubkey(w, req)
	assert.NotEqual(t, http.StatusAccepted, w.Code)

	require.StringContains(t, "Invalid ethaddress", w.Body.String())
}

func TestServer_DeleteFeeRecipientByPubkey(t *testing.T) {
	ctx := grpc.NewContextWithServerTransportStream(context.Background(), &runtime.ServerTransportStream{})
	pubkey := "0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493"
	byteval, err := hexutil.Decode(pubkey)
	require.NoError(t, err)
	type want struct {
		EthAddress string
	}
	tests := []struct {
		name             string
		proposerSettings *proposer.Settings
		want             *want
		wantErr          bool
	}{
		{
			name: "Happy Path Test",
			proposerSettings: &proposer.Settings{
				ProposeConfig: map[[48]byte]*proposer.Option{
					bytesutil.ToBytes48(byteval): {
						FeeRecipientConfig: &proposer.FeeRecipientConfig{
							FeeRecipient: common.HexToAddress("0x055Fb65722E7b2455012BFEBf6177F1D2e9738D5"),
						},
					},
				},
				DefaultConfig: &proposer.Option{
					FeeRecipientConfig: &proposer.FeeRecipientConfig{
						FeeRecipient: common.HexToAddress("0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9"),
					},
				},
			},
			want: &want{
				EthAddress: common.HexToAddress("0x046Fb65722E7b2455012BFEBf6177F1D2e9738D9").Hex(),
			},
			wantErr: false,
		},
	}
	for _, isSlashingProtectionMinimal := range [...]bool{false, true} {
		for _, tt := range tests {
			t.Run(fmt.Sprintf("%s/isSlashingProtectionMinimal:%v", tt.name, isSlashingProtectionMinimal), func(t *testing.T) {
				m := &mock.Validator{}
				err := m.SetProposerSettings(ctx, tt.proposerSettings)
				require.NoError(t, err)
				validatorDB := dbtest.SetupDB(t, [][fieldparams.BLSPubkeyLength]byte{}, isSlashingProtectionMinimal)
				vs, err := client.NewValidatorService(ctx, &client.Config{
					Validator: m,
					ValDB:     validatorDB,
				})
				require.NoError(t, err)
				s := &Server{
					validatorService: vs,
					valDB:            validatorDB,
				}
				req := httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), nil)
				req = mux.SetURLVars(req, map[string]string{"pubkey": pubkey})
				w := httptest.NewRecorder()
				w.Body = &bytes.Buffer{}
				s.DeleteFeeRecipientByPubkey(w, req)
				assert.Equal(t, http.StatusNoContent, w.Code)
				assert.Equal(t, true, s.validatorService.ProposerSettings().ProposeConfig[bytesutil.ToBytes48(byteval)].FeeRecipientConfig == nil)
			})
		}
	}
}

func TestServer_DeleteFeeRecipientByPubkey_ValidatorServiceNil(t *testing.T) {
	s := &Server{}
	req := httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": "0x1234567878903438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493"})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.DeleteFeeRecipientByPubkey(w, req)
	assert.NotEqual(t, http.StatusNoContent, w.Code)
	require.StringContains(t, "Validator service not ready", w.Body.String())
}

func TestServer_DeleteFeeRecipientByPubkey_InvalidPubKey(t *testing.T) {
	s := &Server{
		validatorService: &client.ValidatorService{},
	}

	req := httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/validator/{pubkey}/feerecipient"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": "0x123"})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.DeleteFeeRecipientByPubkey(w, req)
	assert.NotEqual(t, http.StatusNoContent, w.Code)

	require.StringContains(t, "pubkey is invalid", w.Body.String())
}

func TestServer_Graffiti(t *testing.T) {
	graffiti := "graffiti"
	m := &mock.Validator{}
	vs, err := client.NewValidatorService(context.Background(), &client.Config{
		Validator: m,
	})
	require.NoError(t, err)
	s := &Server{
		validatorService: vs,
	}

	var request struct {
		Graffiti string `json:"graffiti"`
	}
	request.Graffiti = graffiti
	pubkey := "0xaf2e7ba294e03438ea819bd4033c6c1bf6b04320ee2075b77273c08d02f8a61bcc303c2c06bd3713cb442072ae591493"
	var buf bytes.Buffer
	err = json.NewEncoder(&buf).Encode(request)
	require.NoError(t, err)
	req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/eth/v1/validator/{pubkey}/graffiti"), &buf)
	req = mux.SetURLVars(req, map[string]string{"pubkey": pubkey})
	w := httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.SetGraffiti(w, req)
	require.Equal(t, http.StatusOK, w.Code)

	req = httptest.NewRequest(http.MethodGet, fmt.Sprintf("/eth/v1/validator/{pubkey}/graffiti"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": pubkey})
	w = httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.GetGraffiti(w, req)
	require.Equal(t, http.StatusOK, w.Code)
	resp := &GetGraffitiResponse{}
	require.NoError(t, json.Unmarshal(w.Body.Bytes(), resp))
	assert.Equal(t, resp.Data.Graffiti, request.Graffiti)
	assert.Equal(t, resp.Data.Pubkey, pubkey)

	req = httptest.NewRequest(http.MethodDelete, fmt.Sprintf("/eth/v1/validator/{pubkey}/graffiti"), nil)
	req = mux.SetURLVars(req, map[string]string{"pubkey": pubkey})
	w = httptest.NewRecorder()
	w.Body = &bytes.Buffer{}
	s.DeleteGraffiti(w, req)
	require.Equal(t, http.StatusOK, w.Code)
}