Merge pull request #47 from Permissionless-Software-Foundation/ct-unstable

feat(nsfw): Detecting tokens marked NSFW in the mutable data

package-lock.json

@@ -38,7 +38,7 @@
         "mongoose": "5.13.13",
         "node-fetch": "npm:@achingbrain/node-fetch@2.6.7",
         "nodemailer": "6.7.5",
-        "p2wdb": "2.2.1",
+        "p2wdb": "2.2.3",
         "passport-local": "1.0.0",
         "public-ip": "^4.0.4",
         "winston": "3.3.3",
@@ -14738,9 +14738,9 @@
       "license": "MIT"
     },
     "node_modules/p2wdb": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/p2wdb/-/p2wdb-2.2.1.tgz",
-      "integrity": "sha512-ft/mGRRLXqWfcodiL7d/403QfImOflpw8BJBpULM0F6rGt/8sTY6i5W3NCyUQp3Mx39xIEw/wTgdb32Hn5Uomg==",
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/p2wdb/-/p2wdb-2.2.3.tgz",
+      "integrity": "sha512-eZQaE3iVudOJV6Iji/fBO20tYhs23EmtcxLZbXK7ZjY+c0NysBzhS0mGCkEUWrU/qBthjIEZ2O5detuAHsmHCw==",
       "dependencies": {
         "apidoc": "0.52.0",
         "axios": "0.24.0"
@@ -29379,9 +29379,9 @@
       "version": "1.0.1"
     },
     "p2wdb": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/p2wdb/-/p2wdb-2.2.1.tgz",
-      "integrity": "sha512-ft/mGRRLXqWfcodiL7d/403QfImOflpw8BJBpULM0F6rGt/8sTY6i5W3NCyUQp3Mx39xIEw/wTgdb32Hn5Uomg==",
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/p2wdb/-/p2wdb-2.2.3.tgz",
+      "integrity": "sha512-eZQaE3iVudOJV6Iji/fBO20tYhs23EmtcxLZbXK7ZjY+c0NysBzhS0mGCkEUWrU/qBthjIEZ2O5detuAHsmHCw==",
       "requires": {
         "apidoc": "0.52.0",
         "axios": "0.24.0"

package.json

@@ -56,7 +56,7 @@
     "mongoose": "5.13.13",
     "node-fetch": "npm:@achingbrain/node-fetch@2.6.7",
     "nodemailer": "6.7.5",
-    "p2wdb": "2.2.1",
+    "p2wdb": "2.2.3",
     "passport-local": "1.0.0",
     "public-ip": "^4.0.4",
     "winston": "3.3.3",

production/docker/docker-compose.yml

@@ -70,10 +70,10 @@ services:
     restart: always
 
   bch-dex:
-    #build:
-    #  context: ./bch-dex/
-    #  dockerfile: Dockerfile
-    image: christroutner/bch-dex:v1.9.6
+    build:
+      context: ./bch-dex/
+      dockerfile: Dockerfile
+    #image: christroutner/bch-dex:v1.9.6
     container_name: bch-dex
     environment:
       CONSUMER_URL: 'https://free-bch.fullstack.cash'
@@ -94,10 +94,10 @@ services:
     restart: always
 
   dex-ui:
-    #build:
-    #  context: ./bch-dex-ui/
-    #  dockerfile: Dockerfile
-    image: christroutner/bch-dex-ui:v1.6.6
+    build:
+      context: ./bch-dex-ui/
+      dockerfile: Dockerfile
+    #image: christroutner/bch-dex-ui:v1.6.6
     container_name: dex-ui
     environment:
       SERVER: 'http://192.168.2.3'

production/rpi-docker/docker-compose.yml

@@ -67,10 +67,10 @@ services:
     restart: always
 
   bch-dex:
-    #build:
-    # context: ./bch-dex/
-    #  dockerfile: Dockerfile
-    image: christroutner/bch-dex-rpi:v1.9.6
+    build:
+     context: ./bch-dex/
+     dockerfile: Dockerfile
+    #image: christroutner/bch-dex-rpi:v1.9.8
     container_name: bch-dex
     environment:
       CONSUMER_URL: 'https://free-bch.fullstack.cash'

production/scripts/sweep-nfts.js

@@ -64,6 +64,8 @@ async function sweepNfts () {
           if (thisToken.tokenType === 65) {
             console.log(`NFT ${thisToken.ticker} (${thisToken.name}) found. Sweeping to ${rootAddr}`)
 
+            await walletRoot.initialize()
+
             // Send BCH to the child address, to pay for transaction fees.
             const receiver1 = [{
               address: cashAddress,
@@ -76,6 +78,8 @@ async function sweepNfts () {
             console.log('Waiting for indexers to update...')
             await bchjs.Util.sleep(120000)
 
+            await walletChild.initialize()
+
             // Send NFT to root address.
             const receiver2 = [{
               address: rootAddr,

src/adapters/localdb/models/offer.js

@@ -27,6 +27,9 @@ const Offer = new mongoose.Schema({
   timestamp: { type: Number },
   globalTimestamp: { type: String },
   localTimestamp: { type: String },
+  displayCategory: { type: String },
+  nsfw: { type: Boolean, default: false },
+  flags: { type: Array },
 
   // SWaP Protocol Properties
   lokadId: { type: String },

src/controllers/rest-api/offer/controller.js

@@ -49,14 +49,47 @@ class OfferRESTControllerLib {
     }
   }
 
-  // curl -X GET http://localhost:5700/offer/list
+  // curl -X GET http://localhost:5700/offer/list/all/0
   async listOffers (ctx) {
     try {
-      const offers = await _this.useCases.offer.listOffers()
+      let page = ctx.params.page
+      if (!page) page = 0
+
+      const offers = await _this.useCases.offer.listOffers(page)
 
       ctx.body = offers
     } catch (err) {
-      console.log('Error in listOffers REST API handler.')
+      console.log('Error in listOffers REST API handler: ', err)
+      _this.handleError(ctx, err)
+    }
+  }
+
+  // curl -X GET http://localhost:5700/offer/list/nft/0
+  async listNftOffers (ctx) {
+    try {
+      let page = ctx.params.page
+      if (!page) page = 0
+
+      const offers = await _this.useCases.offer.listNftOffers(page)
+
+      ctx.body = offers
+    } catch (err) {
+      console.log('Error in listNftOffers REST API handler: ', err)
+      _this.handleError(ctx, err)
+    }
+  }
+
+  // curl -X GET http://localhost:5700/offer/list/fungible/0
+  async listFungibleOffers (ctx) {
+    try {
+      let page = ctx.params.page
+      if (!page) page = 0
+
+      const offers = await _this.useCases.offer.listFungibleOffers(page)
+
+      ctx.body = offers
+    } catch (err) {
+      console.log('Error in Fungible REST API handler: ', err)
       _this.handleError(ctx, err)
     }
   }

src/controllers/rest-api/offer/index.js

@@ -50,8 +50,10 @@ class OfferRouter {
 
     // Define the routes and attach the controller.
     this.router.post('/', _this.offerRESTController.createOffer)
-    this.router.get('/list', _this.offerRESTController.listOffers)
     this.router.post('/take', _this.offerRESTController.takeOffer)
+    this.router.get('/list/all/:page', _this.offerRESTController.listOffers)
+    this.router.get('/list/nft/:page', _this.offerRESTController.listNftOffers)
+    this.router.get('/list/fungible/:page', _this.offerRESTController.listFungibleOffers)
 
     // Attach the Controller routes to the Koa app.
     app.use(_this.router.routes())

src/controllers/rest-api/p2wdb/controller.js

@@ -45,12 +45,23 @@ class P2WDBRESTControllerLib {
         const counterOffer = ctx.request.body
 
         await _this.useCases.offer.acceptCounterOffer(counterOffer)
+
+        //
       } else if (dataType.includes('offer')) {
         // Detect and handle new Offers
         console.log('offer data detected')
 
         const offerObj = ctx.request.body
         await _this.useCases.offer.createOffer(offerObj)
+
+        //
+      } else if (dataType.includes('flag')) {
+        // Detect and handle data generated by users flagging NSFW Offers.
+        const flagData = ctx.request.body
+        console.log('Flag type data received: ', flagData)
+
+        // const p2wdbHash = flagData.p2wdbHash
+        await _this.useCases.offer.flagOffer(flagData)
       } else {
         console.log('Could not route P2WDB webhook data.')
       }

src/use-cases/offer/index.js

@@ -13,10 +13,17 @@
   a partially signed transaction.
  */
 
+// Global npm libraries
+const axios = require('axios')
+
 // Local libraries
 const OfferEntity = require('../../entities/offer')
 const config = require('../../../config')
 
+const DEFAULT_ENTRIES_PER_PAGE = 20
+const NFT_ENTRIES_PER_PAGE = 6
+const FUNGIBLE_ENTRIES_PER_PAGE = 20
+
 class OfferUseCases {
   constructor (localConfig = {}) {
     // console.log('User localConfig: ', localConfig)
@@ -35,6 +42,7 @@ class OfferUseCases {
 
     // Encapsulate dependencies
     this.config = config
+    this.axios = axios
 
     this.offerEntity = new OfferEntity()
     this.OfferModel = this.adapters.localdb.Offer
@@ -80,8 +88,21 @@ class OfferUseCases {
       const offerEntity = this.offerEntity.validate(offerObj)
       console.log('offerEntity: ', offerEntity)
 
-      // const displayCategory = await this.categorizeToken(offerEntity)
-      // console.log('displayCategory: ', displayCategory)
+      // Get data about the token.
+      const tokenId = offerEntity.tokenId
+      const tokenData = await this.adapters.wallet.bchWallet.getTokenData(tokenId)
+      console.log(`tokenData: ${JSON.stringify(tokenData, null, 2)}`)
+
+      // Generate a 'display category' for the token. This will allow the
+      // front end UI to figure out how to display the token.
+      const displayCategory = await this.categorizeToken(offerEntity, tokenData)
+      console.log('displayCategory: ', displayCategory)
+      offerEntity.displayCategory = displayCategory
+
+      // Detect if user set the NSFW flag.
+      let nsfw = false
+      nsfw = await this.detectNsfw(tokenData)
+      offerEntity.nsfw = nsfw
 
       // Add offer to the local database.
       const offerModel = new this.OfferModel(offerEntity)
@@ -94,6 +115,39 @@ class OfferUseCases {
     }
   }
 
+  // By default this function returns false, to indicate the NFT is safe for work.
+  // If the user who created the token sets the nsfw property in the mutable data,
+  // this function will return true.
+  async detectNsfw (tokenData) {
+    try {
+      let nsfw = false
+
+      const cid = tokenData.mutableData.substring(7)
+
+      // Retrieve the mutable data from Filecoin/IPFS.
+      const url = `https://${cid}.ipfs.w3s.link/data.json`
+      const result = await axios.get(url)
+      const mutableData = result.data
+      console.log(`mutableData: ${JSON.stringify(mutableData, null, 2)}`)
+
+      // Logical tests
+      const hasNsfw = !!mutableData.nsfw
+      const nsfwSetTrue = mutableData.nsfw === true
+      const nsfwStringTrue = mutableData.nsfw === 'true'
+      const nsfwDetected = hasNsfw && (nsfwSetTrue || nsfwStringTrue)
+
+      if (nsfwDetected) {
+        console.log('NSFW flag set as true')
+        nsfw = true
+      }
+
+      return nsfw
+    } catch (err) {
+      console.error('Error in detectNsfw(): ', err)
+      throw err
+    }
+  }
+
   // Categorize the token for display purposes. This will categorize a token
   // into one of these categories:
   // - nft
@@ -104,26 +158,96 @@ class OfferUseCases {
   // The first three are easy to categorize. The simple-nft is a fungible token
   // with a quantity of 1, decimals of 0, and no minting baton. Categorizing this
   // type of token is the main reason why this function exists.
-  async categorizeToken (offerData) {
-    console.log(`categorizeToken(): ${JSON.stringify(offerData, null, 2)}`)
+  async categorizeToken (offerData, tokenData) {
+    try {
+      // console.log(`categorizeToken(): ${JSON.stringify(offerData, null, 2)}`)
 
-    const tokenId = offerData.tokenId
+      // const tokenId = offerData.tokenId
+      //
+      // const tokenData = await this.adapters.wallet.bchWallet.getTokenData(tokenId)
+      // console.log(`tokenData: ${JSON.stringify(tokenData, null, 2)}`)
 
-    const tokenData = await this.adapters.wallet.bchWallet.getTokenData(tokenId)
-    console.log(`tokenData: ${JSON.stringify(tokenData, null, 2)}`)
+      if (tokenData.genesisData.type === 65) {
+        return 'nft'
+      }
 
-    return 'placeholder'
+      // Create a set of checks to detect a simple NFT
+      const isType1 = tokenData.genesisData.type === 1
+      const hasNoMintingBaton = !tokenData.genesisData.mintBatonIsActive
+      const hasNoDecimals = !tokenData.genesisData.decimals
+      const hasQtyOfOne = parseInt(tokenData.genesisData.tokensInCirculationStr) === 1
+
+      if (isType1 && hasNoMintingBaton && hasNoDecimals && hasQtyOfOne) {
+        return 'simple-nft'
+      }
+
+      if (isType1) return 'fungible'
+
+      throw new Error(`Unknown token type: ${tokenData.genesisData.type}`)
+    } catch (err) {
+      console.error('Error in use-cases/offer/index.js categorizeToken(): ', err)
+      throw err
+    }
   }
 
-  async listOffers () {
+  async listOffers (page = 0) {
     try {
-      return this.OfferModel.find({}).sort('-timestamp')
+      const data = await this.OfferModel.find({})
+      // Sort entries so newest entries show first.
+        .sort('-timestamp')
+      // Skip to the start of the selected page.
+        .skip(page * DEFAULT_ENTRIES_PER_PAGE)
+      // Only return 20 results.
+        .limit(DEFAULT_ENTRIES_PER_PAGE)
+
+      return data
     } catch (error) {
       console.error('Error in use-cases/offer/listOffers()')
       throw error
     }
   }
 
+  async listNftOffers (page = 0, nsfw = false) {
+    try {
+      const data = await this.OfferModel.find({
+        displayCategory: { $ne: 'fungible' },
+        nsfw
+      })
+      // Sort entries so newest entries show first.
+        .sort('-timestamp')
+      // Skip to the start of the selected page.
+        .skip(page * NFT_ENTRIES_PER_PAGE)
+      // Only return 20 results.
+        .limit(NFT_ENTRIES_PER_PAGE)
+
+      // console.log('listNftOffers() returning this data: ', data)
+
+      return data
+    } catch (error) {
+      console.error('Error in use-cases/offer/listNftOffers()')
+      throw error
+    }
+  }
+
+  async listFungibleOffers (page = 0) {
+    try {
+      const data = await this.OfferModel.find({ displayCategory: 'fungible' })
+      // Sort entries so newest entries show first.
+        .sort('-timestamp')
+      // Skip to the start of the selected page.
+        .skip(page * FUNGIBLE_ENTRIES_PER_PAGE)
+      // Only return 20 results.
+        .limit(FUNGIBLE_ENTRIES_PER_PAGE)
+
+      // console.log('listFungibleOffers() returning this data: ', data)
+
+      return data
+    } catch (error) {
+      console.error('Error in use-cases/offer/listFungibleOffers()')
+      throw error
+    }
+  }
+
   // Generate phase 2 of 3 - take the other side of an Offer.
   // Based on this example:
   // https://github.com/Permission=less-Software-Foundation/bch-js-examples/blob/master/bch/applications/collaborate/sell-slp/e2e-exchange/step2-purchase-tx.js
@@ -433,6 +557,34 @@ class OfferUseCases {
       throw err
     }
   }
+
+  async flagOffer (flagData) {
+    console.log(`flagData: ${JSON.stringify(flagData, null, 2)}`)
+
+    const p2wdbHash = flagData.data.p2wdbHash
+
+    // Get the offer from the database.
+    const offer = await this.findOfferByHash(p2wdbHash)
+    console.log(`Flagging this offer: ${JSON.stringify(offer, null, 2)}`)
+
+    if (!offer) {
+      throw new Error(`Offer ${p2wdbHash} not found in the database.`)
+    }
+
+    // Add the raw flag data to the database model.
+    offer.flags.push(flagData)
+
+    // If flag count is 3 or more, mark the Offer as NSFW
+    const flagCnt = offer.flags.length
+    if (flagCnt >= 3) {
+      offer.nsfw = true
+    }
+
+    // Save the updated offer data to the database.
+    await offer.save()
+
+    return true
+  }
 }
 
 module.exports = OfferUseCases

test/unit/mocks/adapters/wallet.js

@@ -34,6 +34,7 @@ class MockBchWallet {
         tokenTicker: 'TROUT'
       }]
     }
+    this.getTokenData = async () => {}
 
     // Environment variable is used by wallet-balance.unit.js to force an error.
     if (process.env.NO_UTXO) {

test/unit/mocks/use-cases/offer-mock-data.js

@@ -0,0 +1,136 @@
+/*
+  Mocking data for Offer Use Case unit tests.
+*/
+
+const nftOffer01 = {
+ "messageType": 1,
+ "messageClass": 1,
+ "tokenId": "eb93f05553ff088bffb0ec687519e83c59e5108c160f7c25a4b6c45109d7e40b",
+ "buyOrSell": "sell",
+ "rateInBaseUnit": 7672536,
+ "minUnitsToExchange": 7672536,
+ "numTokens": 1,
+ "utxoTxid": "c736d73e274df20e9b069b4990d1a264fb80aa98d67cc6c7a39e42bff48e7c04",
+ "utxoVout": 1,
+ "timestamp": 1662930309998,
+ "globaltimestamp": "2022-09-11T21:05:09.998Z",
+ "localTimestamp": "9/11/2022, 9:05:09 PM",
+ "txid": "4266862b8358664996038d8c29d49dc0f3d3058fd1ef3d567b084e6b16ceb5b2",
+ "p2wdbHash": "zdpuArq7rCuVCGPyTnWpLjy9AYsh8yrbwjGdKwg2GDDALkM8t",
+ "offerStatus": "posted",
+ "makerAddr": "bitcoincash:qrqlz63cwmu0hcmsrfnd8jemn3atkpaqds6tf4ksrr",
+ "ticker": "TV001",
+ "tokenType": 65
+}
+
+const nftTokenData01 = {
+ "genesisData": {
+   "type": 65,
+   "ticker": "TV001",
+   "name": "Introduction to NFTs on BCH",
+   "tokenId": "eb93f05553ff088bffb0ec687519e83c59e5108c160f7c25a4b6c45109d7e40b",
+   "documentUri": "ipfs://bafybeibmgilu4lk3uivwyzhtm7jorl5zbsluewqmcsxs6otzrphh33okk4",
+   "documentHash": "c1731268f4873f1928438abdaf6ffc546d86a1817dc6f3c6bc73fbdfb4664f10",
+   "decimals": 0,
+   "mintBatonIsActive": false,
+   "tokensInCirculationBN": "1",
+   "tokensInCirculationStr": "1",
+   "blockCreated": 740395,
+   "totalBurned": "0",
+   "totalMinted": "1",
+   "parentGroupId": "030563ddd65772d8e9b79b825529ed53c7d27037507b57c528788612b4911107"
+ },
+ "immutableData": "ipfs://bafybeibmgilu4lk3uivwyzhtm7jorl5zbsluewqmcsxs6otzrphh33okk4",
+ "mutableData": "ipfs://bafybeifzhunfpodsztsj5x4ypopngkxuapbxwaxaxkahaybdktk6joqtlq"
+}
+
+const simpleNftOffer01 = {
+  "messageType": 1,
+  "messageClass": 1,
+  "tokenId": "a80c89d2f9f7ad7584743587c4950a0f28514ba8054e8cec4e871747cf9c162c",
+  "buyOrSell": "sell",
+  "rateInBaseUnit": 76725,
+  "minUnitsToExchange": 76725,
+  "numTokens": 1,
+  "utxoTxid": "dd51a8bf96c8ab16a2935b09e51650e1769a1fa75cce9f0455abdbf72071d3c2",
+  "utxoVout": 1,
+  "timestamp": 1662930102814,
+  "globaltimestamp": "2022-09-11T21:01:42.814Z",
+  "localTimestamp": "9/11/2022, 9:01:42 PM",
+  "txid": "4013177602ee75bbc5c4a67ea8d6d80e4f3d12b9c46ae2a6643911f48257b578",
+  "p2wdbHash": "zdpuAzyLPFBwFWbNi8XQuxgAx9aBNGWZEGqib7KE6Hp3AEEhq",
+  "offerStatus": "posted",
+  "makerAddr": "bitcoincash:qrqlz63cwmu0hcmsrfnd8jemn3atkpaqds6tf4ksrr",
+  "ticker": "BAA",
+  "tokenType": 1
+}
+
+const simpleNftTokenData01 = {
+  "genesisData": {
+    "type": 1,
+    "ticker": "BAA",
+    "name": "Bitcoin AI Art 001",
+    "tokenId": "a80c89d2f9f7ad7584743587c4950a0f28514ba8054e8cec4e871747cf9c162c",
+    "documentUri": "ipfs://bafybeifevvtnap3m3fsjbwnvpknvzhqihl2ouuypio33f2vtwqejipgpkq",
+    "documentHash": "d6213e5629d01fd2cd714cde709e11b888c0ba441e05bb1cc649f8b784df5a6c",
+    "decimals": 0,
+    "mintBatonIsActive": false,
+    "tokensInCirculationBN": "1",
+    "tokensInCirculationStr": "1",
+    "blockCreated": 757238,
+    "totalBurned": "0",
+    "totalMinted": "1"
+  },
+  "immutableData": "ipfs://bafybeifevvtnap3m3fsjbwnvpknvzhqihl2ouuypio33f2vtwqejipgpkq",
+  "mutableData": "ipfs://bafybeibqnsmmh6bkf2wwextetki4tly65z4r4qkrrpl5xwgvzdzjley6wm"
+}
+
+const fungibleOffer01 = {
+  "messageType": 1,
+  "messageClass": 1,
+  "tokenId": "a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2",
+  "buyOrSell": "sell",
+  "rateInBaseUnit": 7672,
+  "minUnitsToExchange": 7672,
+  "numTokens": 1,
+  "utxoTxid": "822dc4c765cc68314479c7707bba28028eacab6013bb683b1680dbcc9c95b286",
+  "utxoVout": 1,
+  "timestamp": 1662930501091,
+  "globaltimestamp": "2022-09-11T21:08:21.091Z",
+  "localTimestamp": "9/11/2022, 9:08:21 PM",
+  "txid": "7ee0ec32e116b068ff43c5516fa500058d14f53037ba5cc729e78eb51d1f1ffd",
+  "p2wdbHash": "zdpuB2gHDvmByfvPFLJgEAaRyUi1cwnD45Qt66y4f5tnMXFo7",
+  "offerStatus": "posted",
+  "makerAddr": "bitcoincash:qrqlz63cwmu0hcmsrfnd8jemn3atkpaqds6tf4ksrr",
+  "ticker": "TROUT",
+  "tokenType": 1
+}
+
+const fungibleTokenData01 = {
+  "genesisData": {
+    "type": 1,
+    "ticker": "TROUT",
+    "name": "Trout's test token",
+    "tokenId": "a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2",
+    "documentUri": "troutsblog.com",
+    "documentHash": "",
+    "decimals": 2,
+    "mintBatonIsActive": true,
+    "tokensInCirculationBN": "100097954686",
+    "tokensInCirculationStr": "100097954686",
+    "blockCreated": 622414,
+    "totalBurned": "2045314",
+    "totalMinted": "100100000000"
+  },
+  "immutableData": "troutsblog.com",
+  "mutableData": ""
+}
+
+module.exports = {
+  nftOffer01,
+  nftTokenData01,
+  simpleNftOffer01,
+  simpleNftTokenData01,
+  fungibleOffer01,
+  fungibleTokenData01
+}

test/unit/use-cases/offer.use-case.unit.js

@@ -13,6 +13,7 @@ const sinon = require('sinon')
 const OfferLib = require('../../../src/use-cases/offer')
 const OrderUseCase = require('../../../src/use-cases/order')
 const adapters = require('../mocks/adapters')
+const mockData = require('../mocks/use-cases/offer-mock-data.js')
 
 describe('#offer-use-case', () => {
   let uut
@@ -73,6 +74,9 @@ describe('#offer-use-case', () => {
 
       // Mock dependencies
       sandbox.stub(uut.adapters.bchjs.Blockchain, 'getTxOut').resolves(null)
+      sandbox.stub(uut.adapters.wallet.bchWallet, 'getTokenData').resolves({})
+      sandbox.stub(uut, 'categorizeToken').resolves('nft')
+      sandbox.stub(uut, 'detectNsfw').resolves(false)
 
       const result = await uut.createOffer(offerObj)
       // console.log('result: ', result)
@@ -118,6 +122,9 @@ describe('#offer-use-case', () => {
         },
         coinbase: false
       })
+      sandbox.stub(uut, 'categorizeToken').resolves('fungible')
+      sandbox.stub(uut.adapters.wallet.bchWallet, 'getTokenData').resolves({})
+      sandbox.stub(uut, 'detectNsfw').resolves(false)
 
       const result = await uut.createOffer(offerObj)
       // console.log('result: ', result)
@@ -125,4 +132,42 @@ describe('#offer-use-case', () => {
       assert.equal(result, true)
     })
   })
+
+  describe('#categorizeToken', () => {
+    it('should categorize an NFT', async () => {
+      // Mock dependencies
+      // sandbox.stub(uut.adapters.wallet.bchWallet, 'getTokenData').resolves(mockData.nftTokenData01)
+
+      const offerData = mockData.nftOffer01
+      const tokenData = mockData.nftTokenData01
+
+      const result = await uut.categorizeToken(offerData, tokenData)
+
+      assert.equal(result, 'nft')
+    })
+
+    it('should categorize a simple NFT', async () => {
+      // Mock dependencies
+      // sandbox.stub(uut.adapters.wallet.bchWallet, 'getTokenData').resolves(mockData.simpleNftTokenData01)
+
+      const offerData = mockData.simpleNftOffer01
+      const tokenData = mockData.simpleNftTokenData01
+
+      const result = await uut.categorizeToken(offerData, tokenData)
+
+      assert.equal(result, 'simple-nft')
+    })
+
+    it('should categorize a fungible token', async () => {
+      // Mock dependencies
+      // sandbox.stub(uut.adapters.wallet.bchWallet, 'getTokenData').resolves(mockData.fungibleTokenData01)
+
+      const offerData = mockData.fungibleOffer01
+      const tokenData = mockData.fungibleTokenData01
+
+      const result = await uut.categorizeToken(offerData, tokenData)
+
+      assert.equal(result, 'fungible')
+    })
+  })
 })