gx publish 0.7.3

.gx/lastpubver

@@ -1 +1 @@
-0.6.0: QmXUuRadqDq5BuFWzVU6VuKaSjTcNm1gNCtLvvP1TJCW4z
+0.7.3: QmXfiyr2RWEXpVDdaYnD2HNiBk6UBddsvEP4RPfXb6nGqY

cid.go

@@ -16,6 +16,11 @@ const (
 	CBOR     = 0x71
 	Raw      = 0x72
 	JSON     = 0x73
+
+	EthereumBlock = 0x90
+	EthereumTx    = 0x91
+	BitcoinBlock  = 0xb0
+	BitcoinTx     = 0xb1
 )
 
 func NewCidV0(h mh.Multihash) *Cid {
@@ -41,6 +46,10 @@ type Cid struct {
 }
 
 func Decode(v string) (*Cid, error) {
+	if len(v) < 2 {
+		return nil, fmt.Errorf("cid too short")
+	}
+
 	if len(v) == 46 && v[:2] == "Qm" {
 		hash, err := mh.FromB58String(v)
 		if err != nil {

cid_test.go

@@ -2,6 +2,7 @@ package cid
 
 import (
 	"bytes"
+	"math/rand"
 	"testing"
 
 	mh "github.com/multiformats/go-multihash"
@@ -51,6 +52,13 @@ func TestBasicMarshaling(t *testing.T) {
 	assertEqual(t, cid, out2)
 }
 
+func TestEmptyString(t *testing.T) {
+	_, err := Decode("")
+	if err == nil {
+		t.Fatal("shouldnt be able to parse an empty cid")
+	}
+}
+
 func TestV0Handling(t *testing.T) {
 	old := "QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n"
 
@@ -108,3 +116,12 @@ func TestPrefixRoundtrip(t *testing.T) {
 		t.Fatal("input prefix didnt match output")
 	}
 }
+
+func TestFuzzCid(t *testing.T) {
+	buf := make([]byte, 128)
+	for i := 0; i < 200; i++ {
+		s := rand.Intn(128)
+		rand.Read(buf[:s])
+		_, _ = Cast(buf[:s])
+	}
+}

package.json

@@ -15,9 +15,9 @@
     },
     {
       "author": "whyrusleeping",
-      "hash": "QmYiTi9mKBMjfiup7na7PhJK7QEZPdMTJenLdgFYVQ2NUv",
+      "hash": "QmUq3H9YpcPphbRj6ct6rBgBE377A8wANP8zPMRqe1WYbf",
       "name": "go-multibase",
-      "version": "0.2.0"
+      "version": "0.2.1"
     }
   ],
   "gxVersion": "0.8.0",
@@ -25,6 +25,6 @@
   "license": "",
   "name": "go-cid",
   "releaseCmd": "git commit -a -m \"gx publish $VERSION\"",
-  "version": "0.6.0"
+  "version": "0.7.3"
 }