chore: fixed linting

pkg/config/config.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"errors"
 	"fmt"
 	"slices"
 	"time"
@@ -37,7 +38,7 @@ func (c Config) Validate() error {
 	}
 
 	if c.IsConsumer() && c.ConsumerChainID == "" {
-		return fmt.Errorf("chain is consumer, but consumer-chain-id is not set")
+		return errors.New("chain is consumer, but consumer-chain-id is not set")
 	}
 
 	return nil

pkg/fetcher/cosmos.go

@@ -2,6 +2,7 @@ package fetcher
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	configPkg "main/pkg/config"
 	"main/pkg/types"
@@ -185,7 +186,7 @@ func (f *CosmosDataFetcher) GetUpgradePlan() (*types.Upgrade, error) {
 	}
 
 	if response.Plan == nil {
-		return nil, fmt.Errorf("upgrade plan is not present")
+		return nil, errors.New("upgrade plan is not present")
 	}
 
 	return &types.Upgrade{

pkg/fetcher/noop.go

@@ -1,7 +1,7 @@
 package fetcher
 
 import (
-	"fmt"
+	"errors"
 	"main/pkg/types"
 )
 
@@ -17,5 +17,5 @@ func (f *NoopDataFetcher) GetValidators() (*types.ChainValidators, error) {
 }
 
 func (f *NoopDataFetcher) GetUpgradePlan() (*types.Upgrade, error) {
-	return nil, fmt.Errorf("upgrade is not present")
+	return nil, errors.New("upgrade is not present")
 }

pkg/tendermint/tendermint.go

@@ -2,6 +2,7 @@ package tendermint
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	configPkg "main/pkg/config"
 	"net/http"
@@ -47,7 +48,7 @@ func (rpc *RPC) GetValidators() ([]types.TendermintValidator, error) {
 		}
 
 		if response == nil || response.Result == nil || response.Result.Total == "" {
-			return nil, fmt.Errorf("malformed response from node")
+			return nil, errors.New("malformed response from node")
 		}
 
 		total, err := strconv.ParseInt(response.Result.Total, 10, 64)

pkg/types/converter.go

@@ -1,7 +1,7 @@
 package types
 
 import (
-	"fmt"
+	"errors"
 	"math/big"
 	"strings"
 )
@@ -21,7 +21,7 @@ func ValidatorsWithLatestRoundFromTendermintResponse(
 		vp := new(big.Int)
 		vp, ok := vp.SetString(validator.VotingPower, 10)
 		if !ok {
-			return nil, fmt.Errorf("error setting string")
+			return nil, errors.New("error setting string")
 		}
 
 		validators[index] = ValidatorWithRoundVote{
@@ -62,7 +62,7 @@ func ValidatorsWithAllRoundsFromTendermintResponse(
 		vp := new(big.Int)
 		vp, ok := vp.SetString(validator.VotingPower, 10)
 		if !ok {
-			return ValidatorsWithAllRoundsVotes{}, fmt.Errorf("error setting string")
+			return ValidatorsWithAllRoundsVotes{}, errors.New("error setting string")
 		}
 
 		validators[index] = Validator{