Add proof type to universe identifer

asset/asset.go

@@ -1077,6 +1077,11 @@ func (a *Asset) HasGenesisWitnessForGroup() bool {
 	return *witness.PrevID == ZeroPrevID
 }
 
+// IsGenesisAsset returns true if an asset is a genesis asset.
+func (a *Asset) IsGenesisAsset() bool {
+	return a.HasGenesisWitness() || a.HasGenesisWitnessForGroup()
+}
+
 // HasSplitCommitmentWitness returns true if an asset has a split commitment
 // witness.
 func (a *Asset) HasSplitCommitmentWitness() bool {

itest/assertions.go

@@ -1099,6 +1099,11 @@ func AssertUniverseRoot(t *testing.T, client unirpc.UniverseClient,
 }
 
 func AssertUniverseRootEqual(a, b *unirpc.UniverseRoot) bool {
+	// Basic RPC form sanity checks.
+	if (a.Id != nil && b.Id == nil) || (a.Id == nil && b.Id != nil) {
+		return false
+	}
+
 	// The ids should batch exactly.
 	if !reflect.DeepEqual(a.Id.Id, b.Id.Id) {
 		return false

itest/universe_test.go

@@ -11,11 +11,13 @@ import (
 	"github.com/btcsuite/btcd/btcec/v2"
 	"github.com/btcsuite/btcd/btcec/v2/schnorr"
 	tap "github.com/lightninglabs/taproot-assets"
+	"github.com/lightninglabs/taproot-assets/asset"
 	"github.com/lightninglabs/taproot-assets/fn"
 	"github.com/lightninglabs/taproot-assets/mssmt"
 	"github.com/lightninglabs/taproot-assets/taprpc"
 	"github.com/lightninglabs/taproot-assets/taprpc/mintrpc"
 	unirpc "github.com/lightninglabs/taproot-assets/taprpc/universerpc"
+	"github.com/lightninglabs/taproot-assets/universe"
 	"github.com/lightningnetwork/lnd/lntest/wait"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/exp/maps"
@@ -110,7 +112,12 @@ func testUniverseSync(t *harnessTest) {
 			}
 		}()
 
-		srcRoot, ok := universeRoots.UniverseRoots[uniKey]
+		// Construct universe namespace.
+		proofType, err := tap.UnmarshalUniProofType(newRoot.Id.ProofType)
+		require.NoError(t.t, err)
+		uniNamespace := fmt.Sprintf("%s-%s", proofType, uniKey)
+
+		srcRoot, ok := universeRoots.UniverseRoots[uniNamespace]
 		require.True(t.t, ok)
 		require.True(t.t, AssertUniverseRootEqual(srcRoot, newRoot))
 	}
@@ -130,8 +137,7 @@ func testUniverseSync(t *harnessTest) {
 	uniRoots := maps.Values(universeRoots.UniverseRoots)
 	uniIDs := fn.Map(uniRoots, func(root *unirpc.UniverseRoot) *unirpc.ID {
 		return root.Id
-	},
-	)
+	})
 	AssertUniverseKeysEqual(t.t, uniIDs, t.tapd, bob)
 	AssertUniverseLeavesEqual(t.t, uniIDs, t.tapd, bob)
 
@@ -211,6 +217,7 @@ func testUniverseSync(t *harnessTest) {
 			Id: &unirpc.ID_AssetId{
 				AssetId: firstAssetID,
 			},
+			ProofType: unirpc.ProofType_PROOF_TYPE_ISSUANCE,
 		},
 	})
 	require.NoError(t.t, err)
@@ -282,21 +289,29 @@ func testUniverseREST(t *harnessTest) {
 
 	// Simple assets are keyed by their asset ID.
 	for _, simpleAsset := range rpcSimpleAssets {
-		assetID := hex.EncodeToString(simpleAsset.AssetGenesis.AssetId)
-		require.Contains(t.t, roots.UniverseRoots, assetID)
+		// Ensure that the universe root set contains issuance roots for
+		// all of our assets.
+		var assetID asset.ID
+		copy(assetID[:], simpleAsset.AssetGenesis.AssetId)
+		uniID := universe.Identifier{
+			AssetID:   assetID,
+			ProofType: universe.ProofTypeIssuance,
+		}
+		uniIDStr := uniID.String()
+		require.Contains(t.t, roots.UniverseRoots, uniIDStr)
 
 		require.Equal(
 			t.t, simpleAsset.AssetGenesis.Name,
-			roots.UniverseRoots[assetID].AssetName,
+			roots.UniverseRoots[uniIDStr].AssetName,
 		)
 
 		// Query the specific root to make sure we get the same result.
-		assetRoot, err := getJSON[*unirpc.QueryRootResponse](
+		assetRoots, err := getJSON[*unirpc.QueryRootResponse](
 			fmt.Sprintf("%s/roots/asset-id/%s", urlPrefix, assetID),
 		)
 		require.NoError(t.t, err)
 		require.True(t.t, AssertUniverseRootEqual(
-			roots.UniverseRoots[assetID], assetRoot.AssetRoot,
+			roots.UniverseRoots[uniIDStr], assetRoots.IssuanceRoot,
 		))
 	}
 
@@ -309,7 +324,12 @@ func testUniverseREST(t *harnessTest) {
 		groupKey := issuableAsset.AssetGroup.TweakedGroupKey
 		groupKeyHash := sha256.Sum256(groupKey[1:])
 		groupKeyID := hex.EncodeToString(groupKeyHash[:])
-		require.Contains(t.t, roots.UniverseRoots, groupKeyID)
+
+		// Construct universe namespace using the group key ID.
+		namespace := fmt.Sprintf(
+			"%s-%s", universe.ProofTypeIssuance, groupKeyID,
+		)
+		require.Contains(t.t, roots.UniverseRoots, namespace)
 
 		// Query the specific root to make sure we get the same result.
 		// Rather than use the hash above, the API exposes the
@@ -321,9 +341,10 @@ func testUniverseREST(t *harnessTest) {
 		assetRoot, err := getJSON[*unirpc.QueryRootResponse](queryURI)
 		require.NoError(t.t, err)
 
+		uniRoot, foundRoot := roots.UniverseRoots[namespace]
+		require.True(t.t, foundRoot)
 		require.True(t.t, AssertUniverseRootEqual(
-			roots.UniverseRoots[groupKeyID],
-			assetRoot.AssetRoot,
+			uniRoot, assetRoot.IssuanceRoot,
 		))
 	}
 }

proof/courier.go

@@ -1072,9 +1072,7 @@ func (c *UniverseRpcCourier) ReceiveProof(ctx context.Context,
 		// Break if we've reached the genesis point (the asset is the
 		// genesis asset).
 		asset := transitionProof.Asset
-		if asset.HasGenesisWitness() ||
-			asset.HasGenesisWitnessForGroup() {
-
+		if asset.IsGenesisAsset() {
 			break
 		}
 

proof/verifier.go

@@ -454,8 +454,7 @@ func (p *Proof) Verify(ctx context.Context, prev *AssetSnapshot,
 	// 5. If this is a genesis asset, start by verifying the
 	// genesis reveal, which should be present for genesis assets.
 	// Non-genesis assets must not have a genesis or meta reveal.
-	isGenesisAsset := p.Asset.HasGenesisWitness() ||
-		p.Asset.HasGenesisWitnessForGroup()
+	isGenesisAsset := p.Asset.IsGenesisAsset()
 	hasGenesisReveal := p.GenesisReveal != nil
 	hasMetaReveal := p.MetaReveal != nil