cleanup

pkg/encoding/utils/pointsIO.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	"bufio"
+	"fmt"
 	"io"
 	"log"
 	"os"
@@ -100,6 +101,9 @@ func ReadG1Points(filepath string, n uint64, numWorker uint64) ([]bls.G1Point, e
 
 // from is inclusive, to is exclusive
 func ReadG1PointSection(filepath string, from, to uint64, numWorker uint64) ([]bls.G1Point, error) {
+	if to <= from {
+		return nil, fmt.Errorf("The range to read is invalid, from: %v, to: %v", from, to)
+	}
 	g1f, err := os.Open(filepath)
 	if err != nil {
 		log.Println("ReadG1PointSection.ERR.0", err)
@@ -265,7 +269,11 @@ func ReadG2Points(filepath string, n uint64, numWorker uint64) ([]bls.G2Point, e
 	return s2Outs, nil
 }
 
+// from is inclusive, to is exclusive
 func ReadG2PointSection(filepath string, from, to uint64, numWorker uint64) ([]bls.G2Point, error) {
+	if to <= from {
+		return nil, fmt.Errorf("The range to read is invalid, from: %v, to: %v", from, to)
+	}
 	g2f, err := os.Open(filepath)
 	if err != nil {
 		log.Println("ReadG2PointSection.ERR.0", err)
@@ -298,13 +306,6 @@ func ReadG2PointSection(filepath string, from, to uint64, numWorker uint64) ([]b
 		return nil, err
 	}
 
-	if uint64(len(buf)) < G2PointBytes*n {
-		log.Printf("Error. Insufficient G2 points. Only contains %v. Requesting %v\n", len(buf)/G2PointBytes, n)
-		log.Println()
-		log.Println("ReadG2PointSection.ERR.1", err)
-		return nil, err
-	}
-
 	// measure reading time
 	t := time.Now()
 	elapsed := t.Sub(startTimer)