--- /dev/null
+package bc
+
+import (
+ "testing"
+ "encoding/hex"
+
+ "golang.org/x/crypto/sha3"
+)
+
+func TestComputeAssetID(t *testing.T) {
+ issuanceScript := []byte{1}
+ assetID := ComputeAssetID(issuanceScript, 1, &EmptyStringHash)
+
+ unhashed := append([]byte{})
+ unhashed = append(unhashed, []byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}...) // vmVersion
+ unhashed = append(unhashed, 0x01) // length of issuanceScript
+ unhashed = append(unhashed, issuanceScript...)
+ unhashed = append(unhashed, EmptyStringHash.Bytes()...)
+
+ if want := NewAssetID(sha3.Sum256(unhashed)); assetID != want {
+ t.Errorf("asset id = %x want %x", assetID.Bytes(), want.Bytes())
+ }
+}
+
+func TestComputeAssetIDReally(t *testing.T) {
+ cases := []struct {
+ program string
+ rawDefinition string
+ wantAssetID string
+ }{
+ {
+ program: "ae2039294f652632eee970765550c245f0b0314256b4b93aadc86279fdb45db3b70e5151ad",
+ rawDefinition: "7b0a202022646563696d616c73223a20382c0a2020226465736372697074696f6e223a207b7d2c0a2020226e616d65223a2022222c0a20202273796d626f6c223a2022220a7d",
+ wantAssetID: "07c7ced3f37f48ea39da6971c89f90e9cff3202d54b0a911f12ace8501f3834e",
+ },
+ {
+ program: "ae20620b1755451738b04f42822f4b37186563f824c9c30d485987298918f96395fe5151ad",
+ rawDefinition: "7b0a202022646563696d616c73223a20382c0a2020226465736372697074696f6e223a207b7d2c0a2020226e616d65223a2022222c0a20202273796d6f626f6c223a2022220a7d",
+ wantAssetID: "0dafd0f0e42f06f3bf9a8cf5787519d3860650f27a2b3393d34e1fe06e89b469",
+ },
+ {
+ program: "ae20db11f9dfa39c9e66421c530fe027218edd3d5b1cd98f24c826f4d9c0cd131a475151ad",
+ rawDefinition: "7b0a202022646563696d616c73223a20382c0a2020226465736372697074696f6e223a207b7d2c0a2020226e616d65223a2022222c0a20202273796d626f6c223a2022220a7d",
+ wantAssetID: "a5bc30d8d0ad051e6e352ebc21d79ba798cd8c436e89f4149969c2c562371791",
+ },
+ }
+
+ for _, c := range cases {
+ progBytes, err := hex.DecodeString(c.program)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ defBytes, err := hex.DecodeString(c.rawDefinition)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ defHash := NewHash(sha3.Sum256(defBytes))
+ assetID := ComputeAssetID(progBytes, 1, &defHash)
+ if assetID.String() != c.wantAssetID {
+ t.Errorf("got asset id:%s, want asset id:%s", assetID.String(), c.wantAssetID)
+ }
+ }
+}
+
+var assetIDSink AssetID
+
+func BenchmarkComputeAssetID(b *testing.B) {
+ var (
+ issuanceScript = []byte{5}
+ )
+
+ for i := 0; i < b.N; i++ {
+ assetIDSink = ComputeAssetID(issuanceScript, 1, &EmptyStringHash)
+ }
+}