chore: avoid magic numbers

Stebalien · Stebalien · commit 60ab0f84f0d7 · 2019-12-02T20:35:36.000-05:00
diff --git a/cid.go b/cid.go
@@ -603,7 +603,7 @@ func PrefixFromBytes(buf []byte) (Prefix, error) {
 }
 
 func CidFromBytes(data []byte) (int, Cid, error) {
-	if len(data) > 2 && data[0] == 18 && data[1] == 32 {
+	if len(data) > 2 && data[0] == mh.SHA2_256 && data[1] == 32 {
 		if len(data) < 34 {
 			return 0, Undef, fmt.Errorf("not enough bytes for cid v0")
 		}

Original file line number	Diff line number	Diff line change
`@@ -603,7 +603,7 @@ func PrefixFromBytes(buf []byte) (Prefix, error) {`
`603`	`603`	`}`
`604`	`604`
`605`	`605`	`func CidFromBytes(data []byte) (int, Cid, error) {`
`606`		`- if len(data) > 2 && data[0] == 18 && data[1] == 32 {`
	`606`	`+ if len(data) > 2 && data[0] == mh.SHA2_256 && data[1] == 32 {`
`607`	`607`	`if len(data) < 34 {`
`608`	`608`	`return 0, Undef, fmt.Errorf("not enough bytes for cid v0")`
`609`	`609`	`}`