Fix linting issue

deployment/ccip/changeset/cs_rmn_curse_uncurse.go

@@ -225,7 +225,10 @@ func RMNCurseChangeset(e deployment.Environment, cfg RMNCurseConfig) (deployment
 	grouped := groupRMNSubjectBySelector(curseActions, true, true)
 	// For each chain in the environment get the RMNRemote contract and call curse
 	for selector, chain := range state.Chains {
-		deployer := deployerGroup.getDeployer(selector)
+		deployer, err := deployerGroup.getDeployer(selector)
+		if err != nil {
+			return deployment.ChangesetOutput{}, fmt.Errorf("failed to get deployer for chain %d: %w", selector, err)
+		}
 		if curseSubjects, ok := grouped[selector]; ok {
 			// Only curse the subjects that are not actually cursed
 			notAlreadyCursedSubjects := make([]Subject, 0)
@@ -293,7 +296,11 @@ func RMNUncurseChangeset(e deployment.Environment, cfg RMNCurseConfig) (deployme
 
 	// For each chain in the environement get the RMNRemote contract and call uncurse
 	for selector, chain := range state.Chains {
-		deployer := deployerGroup.getDeployer(selector)
+		deployer, err := deployerGroup.getDeployer(selector)
+		if err != nil {
+			return deployment.ChangesetOutput{}, fmt.Errorf("failed to get deployer for chain %d: %w", selector, err)
+		}
+
 		if curseSubjects, ok := grouped[selector]; ok {
 			// Only keep the subject that are actually cursed
 			actuallyCursedSubjects := make([]Subject, 0)

deployment/ccip/changeset/deployer_group.go

@@ -44,7 +44,7 @@ func NewDeployerGroup(e deployment.Environment, state CCIPOnChainState, mcmConfi
 	}
 }
 
-func (d *DeployerGroup) getDeployer(chain uint64) *bind.TransactOpts {
+func (d *DeployerGroup) getDeployer(chain uint64) (*bind.TransactOpts, error) {
 	txOpts := d.e.Chains[chain].DeployerKey
 	if d.mcmConfig != nil {
 		txOpts = deployment.SimTransactOpts()
@@ -83,7 +83,7 @@ func (d *DeployerGroup) getDeployer(chain uint64) *bind.TransactOpts {
 	} else {
 		nonce, err := d.e.Chains[chain].Client.PendingNonceAt(context.Background(), txOpts.From)
 		if err != nil {
-			panic(fmt.Errorf("could not get nonce for deployer: %v", err))
+			return nil, fmt.Errorf("could not get nonce for deployer: %w", err)
 		}
 		startingNonce = new(big.Int).SetUint64(nonce)
 	}
@@ -99,7 +99,7 @@ func (d *DeployerGroup) getDeployer(chain uint64) *bind.TransactOpts {
 		d.transactions[chain] = append(d.transactions[chain], tx)
 		return tx, nil
 	}
-	return sim
+	return sim, nil
 }
 
 func (d *DeployerGroup) enact(deploymentDescription string) (deployment.ChangesetOutput, error) {

deployment/ccip/changeset/deployer_group_test.go

@@ -5,9 +5,10 @@ import (
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/stretchr/testify/require"
+
 	"github.com/smartcontractkit/chainlink/deployment"
 	commonchangeset "github.com/smartcontractkit/chainlink/deployment/common/changeset"
-	"github.com/stretchr/testify/require"
 )
 
 type dummyDeployerGroupChangesetConfig struct {
@@ -26,7 +27,10 @@ func dummyDeployerGroupGrantMintChangeset(e deployment.Environment, cfg dummyDep
 	token := state.Chains[cfg.selector].LinkToken
 
 	group := NewDeployerGroup(e, state, cfg.MCMS)
-	deployer := group.getDeployer(cfg.selector)
+	deployer, err := group.getDeployer(cfg.selector)
+	if err != nil {
+		return deployment.ChangesetOutput{}, err
+	}
 
 	_, err = token.GrantMintRole(deployer, deployer.From)
 	if err != nil {
@@ -45,7 +49,10 @@ func dummyDeployerGroupMintChangeset(e deployment.Environment, cfg dummyDeployer
 	token := state.Chains[cfg.selector].LinkToken
 
 	group := NewDeployerGroup(e, state, cfg.MCMS)
-	deployer := group.getDeployer(cfg.selector)
+	deployer, err := group.getDeployer(cfg.selector)
+	if err != nil {
+		return deployment.ChangesetOutput{}, err
+	}
 
 	for _, mint := range cfg.mints {
 		_, err = token.Mint(deployer, cfg.address, mint)