Remove unused code

Change DualTransmissionConfig to pointer

core/services/relay/evm/contract_transmitter.go

@@ -12,8 +12,6 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	gethcommon "github.com/ethereum/go-ethereum/common"
 	"github.com/pkg/errors"
-	types2 "github.com/smartcontractkit/libocr/offchainreporting2/types"
-
 	"github.com/smartcontractkit/libocr/offchainreporting2plus/chains/evmutil"
 	ocrtypes "github.com/smartcontractkit/libocr/offchainreporting2plus/types"
 
@@ -247,29 +245,3 @@ func (oc *contractTransmitter) HealthReport() map[string]error {
 	return map[string]error{oc.Name(): nil}
 }
 func (oc *contractTransmitter) Name() string { return oc.lggr.Name() }
-
-var _ types2.ContractTransmitter = (*dualContractTransmitter)(nil)
-
-type dualContractTransmitter struct {
-	baseContractTransmitter contractTransmitter
-}
-
-func (d *dualContractTransmitter) secondaryTransmit(ctx context.Context, reportContext types2.ReportContext, report types2.Report, signatures []types2.AttributedOnchainSignature) error {
-	return nil
-}
-
-func (d *dualContractTransmitter) Transmit(ctx context.Context, reportContext types2.ReportContext, report types2.Report, signatures []types2.AttributedOnchainSignature) error {
-	err := d.secondaryTransmit(ctx, reportContext, report, signatures)
-	if err != nil {
-		d.baseContractTransmitter.lggr.Warnw("secondary transmission failed", "err", err)
-	}
-	return d.baseContractTransmitter.Transmit(ctx, reportContext, report, signatures)
-}
-
-func (d *dualContractTransmitter) LatestConfigDigestAndEpoch(ctx context.Context) (configDigest types2.ConfigDigest, epoch uint32, err error) {
-	return d.baseContractTransmitter.LatestConfigDigestAndEpoch(ctx)
-}
-
-func (d *dualContractTransmitter) FromAccount(ctx context.Context) (types2.Account, error) {
-	return d.baseContractTransmitter.FromAccount(ctx)
-}

core/services/relay/evm/evm.go

@@ -806,7 +806,7 @@ func generateTransmitterFrom(ctx context.Context, rargs commontypes.RelayArgs, e
 			checker,
 			configWatcher.chain.ID(),
 			ethKeystore,
-			&relayConfig.DualTransmissionConfig,
+			relayConfig.DualTransmissionConfig,
 		)
 	case commontypes.CCIPExecution:
 		transmitter, err = cciptransmitter.NewTransmitterWithStatusChecker(

core/services/relay/evm/types/types.go

@@ -223,8 +223,8 @@ type RelayConfig struct {
 	LLOConfigMode LLOConfigMode `json:"lloConfigMode" toml:"lloConfigMode"`
 
 	// DualTransmission specific
-	EnableDualTransmission bool                   `json:"enableDualTransmission" toml:"enableDualTransmission"`
-	DualTransmissionConfig DualTransmissionConfig `json:"dualTransmission" toml:"dualTransmission"`
+	EnableDualTransmission bool                    `json:"enableDualTransmission" toml:"enableDualTransmission"`
+	DualTransmissionConfig *DualTransmissionConfig `json:"dualTransmission" toml:"dualTransmission"`
 }
 
 var ErrBadRelayConfig = errors.New("bad relay config")