remove getBin

verify.go

@@ -124,24 +124,6 @@ func pubKeyToAddress(pubkeyXy2 secp256k1.XY, compressed bool, magic []byte) (add
 	return bsvecAddress.String()
 }
 
-// This function is copied from "piotrnar/gocoin/lib/secp256k1".
-// And modified for local package.
-// License is:
-//   https://github.com/piotrnar/gocoin/blob/master/lib/secp256k1/COPYING
-func getBin(num *secp256k1.Number, le int) ([]byte, error) {
-	if num == nil {
-		return nil, errors.New("secp256k1.Number is nil")
-	}
-	bts := num.Bytes()
-	if len(bts) > le {
-		return nil, errors.New("buffer too small")
-	}
-	if len(bts) == le {
-		return bts, nil
-	}
-	return append(make([]byte, le-len(bts)), bts...), nil
-}
-
 // sigMessageToAddress will convert a signature & message to a list of addresses
 func sigMessageToAddress(signature, message string) ([]string, error) {
 

verify_test.go

@@ -4,7 +4,6 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 	"fmt"
-	"math/big"
 	"strconv"
 	"testing"
 
@@ -304,34 +303,6 @@ func TestVerifyMessageSigRecoverFailed(t *testing.T) {
 
 }
 
-// TestVerifyMessageGetBin will test the method getBin()
-func TestVerifyMessageGetBin(t *testing.T) {
-	t.Parallel()
-
-	var (
-		// Testing private methods
-		tests = []struct {
-			inputNumber   *secp256k1.Number
-			inputLength   int
-			expectedError bool
-		}{
-			{nil, 1, true},
-			{&secp256k1.Number{Int: *big.NewInt(400)}, 1, true},
-			{&secp256k1.Number{Int: *big.NewInt(1)}, 1, false},
-		}
-	)
-
-	// Run tests
-	for _, test := range tests {
-		if _, err := getBin(test.inputNumber, test.inputLength); err != nil && !test.expectedError {
-			t.Errorf("%s Failed: [%v] [%d] inputted and error not expected but got: %s", t.Name(), test.inputNumber, test.inputLength, err.Error())
-		} else if err == nil && test.expectedError {
-			t.Log(len(test.inputNumber.Bytes()), test.inputLength)
-			t.Errorf("%s Failed: [%v] [%d] inputted and error was expected", t.Name(), test.inputNumber, test.inputLength)
-		}
-	}
-}
-
 // TestVerifyMessageDER will test the method VerifyMessageDER()
 func TestVerifyMessageDER(t *testing.T) {