don't send pre-genesis signed validator registration objects to relay…

…ers (#12847)

Co-authored-by: james-prysm <[email protected]>

validator/client/validator.go

@@ -1143,6 +1143,10 @@ func (v *validator) buildPrepProposerReqs(ctx context.Context, pubkeys [][fieldp
 func (v *validator) buildSignedRegReqs(ctx context.Context, pubkeys [][fieldparams.BLSPubkeyLength]byte /* only active pubkeys */, signer iface.SigningFunc) ([]*ethpb.SignedValidatorRegistrationV1, error) {
 	var signedValRegRegs []*ethpb.SignedValidatorRegistrationV1
 
+	// if the timestamp is pre-genesis, don't create registrations
+	if v.genesisTime > uint64(time.Now().UTC().Unix()) {
+		return signedValRegRegs, nil
+	}
 	for i, k := range pubkeys {
 		feeRecipient := common.HexToAddress(params.BeaconConfig().EthBurnAddressHex)
 		gasLimit := params.BeaconConfig().DefaultBuilderGasLimit

validator/client/validator_test.go

@@ -2394,3 +2394,61 @@ func TestValidator_buildSignedRegReqs_SignerOnError(t *testing.T) {
 
 	assert.Equal(t, 0, len(actual))
 }
+
+func TestValidator_buildSignedRegReqs_TimestampBeforeGenesis(t *testing.T) {
+	// Public keys
+	pubkey1 := getPubkeyFromString(t, "0x111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111")
+
+	// Fee recipients
+	feeRecipient1 := getFeeRecipientFromString(t, "0x0000000000000000000000000000000000000000")
+
+	defaultFeeRecipient := getFeeRecipientFromString(t, "0xdddddddddddddddddddddddddddddddddddddddd")
+
+	ctrl := gomock.NewController(t)
+	defer ctrl.Finish()
+
+	ctx := context.Background()
+	client := validatormock.NewMockValidatorClient(ctrl)
+
+	signature := blsmock.NewMockSignature(ctrl)
+
+	v := validator{
+		signedValidatorRegistrations: map[[48]byte]*ethpb.SignedValidatorRegistrationV1{},
+		validatorClient:              client,
+		genesisTime:                  uint64(time.Now().UTC().Unix() + 1000),
+		proposerSettings: &validatorserviceconfig.ProposerSettings{
+			DefaultConfig: &validatorserviceconfig.ProposerOption{
+				FeeRecipientConfig: &validatorserviceconfig.FeeRecipientConfig{
+					FeeRecipient: defaultFeeRecipient,
+				},
+				BuilderConfig: &validatorserviceconfig.BuilderConfig{
+					Enabled:  true,
+					GasLimit: 9999,
+				},
+			},
+			ProposeConfig: map[[48]byte]*validatorserviceconfig.ProposerOption{
+				pubkey1: {
+					FeeRecipientConfig: &validatorserviceconfig.FeeRecipientConfig{
+						FeeRecipient: feeRecipient1,
+					},
+					BuilderConfig: &validatorserviceconfig.BuilderConfig{
+						Enabled:  true,
+						GasLimit: 1111,
+					},
+				},
+			},
+		},
+		pubkeyToValidatorIndex: make(map[[48]byte]primitives.ValidatorIndex),
+	}
+
+	pubkeys := [][fieldparams.BLSPubkeyLength]byte{pubkey1}
+
+	var signer = func(_ context.Context, _ *validatorpb.SignRequest) (bls.Signature, error) {
+		return signature, nil
+	}
+	v.pubkeyToValidatorIndex[pubkey1] = primitives.ValidatorIndex(1)
+	actual, err := v.buildSignedRegReqs(ctx, pubkeys, signer)
+	require.NoError(t, err)
+
+	assert.Equal(t, 0, len(actual))
+}