fix(Utxo.get()): Adding prototype NFT filtering

src/utxo.js

@@ -125,6 +125,7 @@ class UTXO {
             thisUtxo.qty = thisSlpUtxo.qty
             thisUtxo.tokenId = thisSlpUtxo.tokenId
             thisUtxo.address = thisSlpUtxo.address
+            thisUtxo.tokenType = thisSlpUtxo.tokenType
 
             break
           }
@@ -151,7 +152,7 @@ class UTXO {
 
       // Get token UTXOs
       let type1TokenUtxos = utxos.filter(
-        x => x.isSlp === true && x.type === 'token'
+        x => x.isSlp === true && x.type === 'token' && x.tokenType === 1
       )
 
       // Hydrate the UTXOs with additional token data.
@@ -164,6 +165,18 @@ class UTXO {
       )
       type1BatonUtxos = await this.hydrateTokenData(type1BatonUtxos)
 
+      // Collect and hydrate NFT Group tokens
+      let nftGroupTokenUtxos = utxos.filter(
+        x => x.isSlp === true && x.type === 'token' && x.tokenType === 129
+      )
+      nftGroupTokenUtxos = await this.hydrateTokenData(nftGroupTokenUtxos)
+
+      // Collect and hydrate NFT child tokens
+      let nftChildTokenUtxos = utxos.filter(
+        x => x.isSlp === true && x.type === 'token' && x.tokenType === 65
+      )
+      nftChildTokenUtxos = await this.hydrateTokenData(nftChildTokenUtxos)
+
       // Isolate any UTXOs that are marked null by the SLP indexer.
       const nullUtxos = utxos.filter(x => x.isSlp === null)
 
@@ -175,7 +188,14 @@ class UTXO {
             tokens: type1TokenUtxos,
             mintBatons: type1BatonUtxos
           },
-          nft: {} // Allocated for future support of NFT spec.
+          group: {
+            tokens: nftGroupTokenUtxos,
+            mintBatons: []
+          },
+          nft: {
+            tokens: nftChildTokenUtxos,
+            mintBatons: []
+          } // Allocated for future support of NFT spec.
         },
         nullUtxos
       }

test/integration/chains/bchn/utxo-integration.js

@@ -105,13 +105,14 @@ describe('#UTXO', () => {
       assert.equal(result.slpUtxos.type1.tokens.length, 0)
     })
 
-    it('should handle Group NFTs', async () => {
+    it('should filter Group NFTs', async () => {
       const addr = 'bitcoincash:qrnghwrfgccf3s5e9wnglzxegcnhje9rkcwv2eka33'
 
       const result = await bchjs.Utxo.get(addr)
       // console.log(`result: ${JSON.stringify(result, null, 2)}`)
 
-      assert.equal(result.nullUtxos.length, 0)
+      assert.equal(result.slpUtxos.group.tokens.length, 1)
+      // assert.equal(result.slpUtxos.)
     })
   })
 })