Trim extra non-ascii characters that can arise from manually editing …

…sequence number files

filestore.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"path"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/pkg/errors"
@@ -178,15 +179,15 @@ func (store *fileStore) populateCache() (creationTimePopulated bool, err error)
 	}
 
 	if senderSeqNumBytes, err := ioutil.ReadFile(store.senderSeqNumsFname); err == nil {
-		if senderSeqNum, err := strconv.Atoi(string(senderSeqNumBytes)); err == nil {
+		if senderSeqNum, err := strconv.Atoi(strings.Trim(string(senderSeqNumBytes), "\r\n")); err == nil {
 			if err = store.cache.SetNextSenderMsgSeqNum(senderSeqNum); err != nil {
 				return creationTimePopulated, errors.Wrap(err, "cache set next sender")
 			}
 		}
 	}
 
 	if targetSeqNumBytes, err := ioutil.ReadFile(store.targetSeqNumsFname); err == nil {
-		if targetSeqNum, err := strconv.Atoi(string(targetSeqNumBytes)); err == nil {
+		if targetSeqNum, err := strconv.Atoi(strings.Trim(string(targetSeqNumBytes),"\r\n")); err == nil {
 			if err = store.cache.SetNextTargetMsgSeqNum(targetSeqNum); err != nil {
 				return creationTimePopulated, errors.Wrap(err, "cache set next target")
 			}

filestore_test.go

@@ -4,10 +4,12 @@ import (
 	"fmt"
 	"os"
 	"path"
+	"strconv"
 	"strings"
 	"testing"
 	"time"
 
+	assert2 "github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/stretchr/testify/suite"
 )
@@ -47,3 +49,14 @@ func (suite *FileStoreTestSuite) TearDownTest() {
 func TestFileStoreTestSuite(t *testing.T) {
 	suite.Run(t, new(FileStoreTestSuite))
 }
+
+func TestStringParse(t *testing.T) {
+	assert := assert2.New(t)
+	i, err := strconv.Atoi(strings.Trim("00005\n", "\r\n"))
+	assert.Nil(err)
+	assert.Equal(5, i)
+
+	i, err = strconv.Atoi(strings.Trim("00006\r", "\r\n"))
+	assert.Nil(err)
+	assert.Equal(6, i)
+}