[#234] *: Fix some lint issues

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

alphabet/alphabet_contract.go

@@ -238,8 +238,6 @@ func Vote(epoch int, candidates []interop.PublicKey) {
 	} else {
 		runtime.Log(name + ": vote has been failed")
 	}
-
-	return
 }
 
 func voteID(epoch interface{}, args []interop.PublicKey) []byte {

netmap/netmap_contract.go

@@ -218,7 +218,6 @@ func AddPeerIR(nodeInfo []byte) {
 	common.CheckAlphabetWitness(common.AlphabetAddress())
 
 	addToNetmap(ctx, storageNode{info: nodeInfo})
-	return
 }
 
 // AddPeer method adds new candidate to the next network map if it was invoked

nns/nns_contract.go

@@ -100,39 +100,6 @@ func _deploy(data interface{}, isUpdate bool) {
 	storage.Put(ctx, []byte{prefixRegisterPrice}, defaultRegisterPrice)
 }
 
-// remove after v0.13.1 upgrade
-func shBEFromLEHex(s string) interop.Hash160 {
-	res := make([]byte, interop.Hash160Len)
-
-	ln := len(s) / 2
-	for i := 0; i < ln; i++ {
-		a := hexToNum(s[i*2])
-		b := hexToNum(s[i*2+1])
-
-		var n interface{} = a*16 + b
-		res[ln-1-i] = n.([]byte)[0]
-	}
-
-	return res
-}
-
-// remove after v0.13.1 upgrade
-func hexToNum(s uint8) int {
-	if s >= '0' && s <= '9' {
-		return int(s) - 48
-	}
-
-	if s >= 'A' && s <= 'F' {
-		return int(s) - 55
-	}
-
-	if s >= 'a' && s <= 'f' {
-		return int(s) - 87
-	}
-
-	panic("invalid hex")
-}
-
 // Symbol returns NeoNameService symbol.
 func Symbol() string {
 	return "NNS"

tests/nns_test.go

@@ -325,8 +325,8 @@ func TestNNSRenew(t *testing.T) {
 	cAcc := c.WithSigners(acc)
 	cAcc.Invoke(t, ts, "renew", "testdomain.com")
 	expected := stackitem.NewMapWithValue([]stackitem.MapElement{
-		{stackitem.Make("name"), stackitem.Make("testdomain.com")},
-		{stackitem.Make("expiration"), stackitem.Make(ts)}})
+		{Key: stackitem.Make("name"), Value: stackitem.Make("testdomain.com")},
+		{Key: stackitem.Make("expiration"), Value: stackitem.Make(ts)}})
 	cAcc.Invoke(t, expected, "properties", "testdomain.com")
 }