fix: remove unused files

common/common.go

@@ -0,0 +1,8 @@
+package common
+
+const (
+	// Base10 decimal base
+	Base10 = 10
+	// Gwei represents 1000000000 wei
+	Gwei = 1000000000
+)

config/types/duration.go

@@ -2,8 +2,6 @@ package types
 
 import (
 	"time"
-
-	"github.com/invopop/jsonschema"
 )
 
 // Duration is a wrapper type that parses time duration from text.
@@ -25,16 +23,3 @@ func (d *Duration) UnmarshalText(data []byte) error {
 func NewDuration(duration time.Duration) Duration {
 	return Duration{duration}
 }
-
-// JSONSchema returns a custom schema to be used for the JSON Schema generation of this type
-func (Duration) JSONSchema() *jsonschema.Schema {
-	return &jsonschema.Schema{
-		Type:        "string",
-		Title:       "Duration",
-		Description: "Duration expressed in units: [ns, us, ms, s, m, h, d]",
-		Examples: []interface{}{
-			"1m",
-			"300ms",
-		},
-	}
-}

etherman/etherscan/etherscan.go

@@ -8,7 +8,7 @@ import (
 	"math/big"
 	"net/http"
 
-	"github.com/0xPolygonHermez/zkevm-ethtx-manager/encoding"
+	"github.com/0xPolygonHermez/zkevm-ethtx-manager/common"
 )
 
 type etherscanResponse struct {
@@ -73,6 +73,6 @@ func (e *Client) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
 	if err != nil {
 		return big.NewInt(0), fmt.Errorf("Reading body failed: %w", err)
 	}
-	fgp, _ := big.NewInt(0).SetString(resBody.Result.FastGasPrice, encoding.Base10)
-	return new(big.Int).Mul(fgp, big.NewInt(encoding.Gwei)), nil
+	fgp, _ := big.NewInt(0).SetString(resBody.Result.FastGasPrice, common.Base10)
+	return new(big.Int).Mul(fgp, big.NewInt(common.Gwei)), nil
 }

etherman/ethgasstation/ethgasstation.go

@@ -8,7 +8,7 @@ import (
 	"math/big"
 	"net/http"
 
-	"github.com/0xPolygonHermez/zkevm-ethtx-manager/encoding"
+	"github.com/0xPolygonHermez/zkevm-ethtx-manager/common"
 )
 
 type ethGasStationResponse struct {
@@ -57,8 +57,8 @@ func (e *Client) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
 	// Unmarshal result
 	err = json.Unmarshal(body, &resBody)
 	if err != nil {
-		return big.NewInt(0), fmt.Errorf("Reading body failed: %w", err)
+		return big.NewInt(0), fmt.Errorf("reading body failed: %w", err)
 	}
 	fgp := big.NewInt(0).SetUint64(resBody.GasPrice.Instant)
-	return new(big.Int).Mul(fgp, big.NewInt(encoding.Gwei)), nil
+	return new(big.Int).Mul(fgp, big.NewInt(common.Gwei)), nil
 }

ethtxmanager/monitoredtx_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto/kzg4844"
 	"github.com/stretchr/testify/assert"
 )
@@ -76,3 +77,21 @@ func TestBlobTx(t *testing.T) {
 	assert.Equal(t, blobGas, tx.BlobGas())
 	assert.Equal(t, blobGasPrice, tx.BlobGasFeeCap())
 }
+
+func TestAddHistory(t *testing.T) {
+	tx := types.NewTransaction(0, common.Address{}, big.NewInt(0), 0, big.NewInt(0), nil)
+	mTx := monitoredTx{
+		History: make(map[common.Hash]bool),
+	}
+
+	err := mTx.AddHistory(tx)
+	assert.NoError(t, err)
+
+	// Adding the same transaction again should return an error
+	err = mTx.AddHistory(tx)
+	assert.ErrorContains(t, err, "already exists")
+
+	// should have only one history
+	historySlice := mTx.historyHashSlice()
+	assert.Len(t, historySlice, 1)
+}