Merge pull request #91 from Permissionless-Software-Foundation/ct-unstable

Production improvements

production/docker/bch-dex-ui/Dockerfile

@@ -46,11 +46,11 @@ WORKDIR /home/safeuser
 
 # Clone the rest.bitcoin.com repository
 WORKDIR /home/safeuser
-RUN git clone https://github.com/Permissionless-Software-Foundation/bch-dex-ui-v2
+RUN git clone https://github.com/Permissionless-Software-Foundation/bch-dex-ui-v3
 
 # Switch to the desired branch. `master` is usually stable,
 # and `stage` has the most up-to-date changes.
-WORKDIR /home/safeuser/bch-dex-ui-v2
+WORKDIR /home/safeuser/bch-dex-ui-v3
 
 # For development: switch to unstable branch
 RUN git checkout ct-unstable
@@ -61,13 +61,13 @@ RUN git checkout ct-unstable
 RUN npm install
 
 # Build the site
-RUN CI=true npm run build
+RUN npm run build
 
 # Load the NGINX image.
 FROM nginx
 EXPOSE 80
 
 # Copy the files built in the first container to the new NGINX container.
-COPY --from=builder /home/safeuser/bch-dex-ui-v2/build /usr/share/nginx/html
+COPY --from=builder /home/safeuser/bch-dex-ui-v3/build /usr/share/nginx/html
 
 #USER safeuser

src/adapters/localdb/models/order.js

@@ -10,20 +10,20 @@ import mongoose from 'mongoose'
 
 const Order = new mongoose.Schema({
   // Token data
-  tokenId: { type: String },
-  utxoTxid: { type: String },
-  utxoVout: { type: Number },
-  ticker: { type: String },
-  tokenType: { type: Number },
+  tokenId: { type: String, required: true },
+  utxoTxid: { type: String, required: true },
+  utxoVout: { type: Number, required: true },
+  ticker: { type: String, required: true },
+  tokenType: { type: Number, required: true },
 
   // Trade data
-  buyOrSell: { type: String },
-  numTokens: { type: Number },
-  rateInBaseUnit: { type: String },
+  buyOrSell: { type: String, required: true },
+  numTokens: { type: Number, required: true },
+  rateInBaseUnit: { type: String, required: true },
   minUnitsToExchange: { type: String },
   p2wdbTxid: { type: String },
   p2wdbHash: { type: String },
-  makerAddr: { type: String },
+  makerAddr: { type: String, required: true },
 
   // Authentication data
   signature: { type: String },
@@ -32,13 +32,16 @@ const Order = new mongoose.Schema({
   offerPubKey: { type: String },
 
   // Wallet Data
-  hdIndex: { type: Number }, // HD index address holding the UTXO for this offer.
+  hdIndex: { type: Number, required: true }, // HD index address holding the UTXO for this offer.
 
   // SWaP Protocol Properties
   lokadId: { type: String },
   messageType: { type: Number },
   messageClass: { type: Number },
-  nostrEventId: { type: String } // Nostr Event Id.
+  nostrEventId: { type: String, required: true }, // Nostr Event Id.
+
+  // Additional properties found in createOrder
+  dataType: { type: String, required: true }
 })
 
 export default mongoose.model('order', Order)

src/adapters/wallet.js

@@ -54,6 +54,7 @@ class WalletAdapter {
     this.deseralizeTx = this.deseralizeTx.bind(this)
     this.completeTx = this.completeTx.bind(this)
     this.reclaimTokens = this.reclaimTokens.bind(this)
+    this.moveTokensFromCustomWallet = this.moveTokensFromCustomWallet.bind(this)
   }
 
   // Open the wallet file, or create one if the file doesn't exist.
@@ -361,7 +362,7 @@ class WalletAdapter {
       throw err
     }
 
-  // return true
+    // return true
   }
 
   // Move tokens to an address controlled by the HD wallet, to generate a
@@ -466,7 +467,15 @@ class WalletAdapter {
   // then broadcasting the transaction to the network.
   async completeTx (hex, hdIndex) {
     try {
+      // Input validation
+      if (!hex || typeof hex !== 'string') {
+        throw new Error('hex must be a string!')
+      }
+      if (typeof hdIndex !== 'number' || hdIndex < 0) {
+        throw new Error('hdIndex must be a non-negative number!')
+      }
       // console.log('hex: ', hex)
+      console.log('completeTx() hdIndex: ', hdIndex)
 
       const bchjs = this.bchWallet.bchjs
 
@@ -491,6 +500,8 @@ class WalletAdapter {
       //   'mainnet'
       // )
 
+      console.log('completeTx() this.walletInfo: ', this.walletInfo)
+
       // Get the keypair for the address used in the Order
       const keyPair = await this.getKeyPair(hdIndex)
       console.log(`maker keyPair: ${JSON.stringify(keyPair, null, 2)}`)
@@ -575,6 +586,57 @@ class WalletAdapter {
       throw err
     }
   }
+
+  async moveTokensFromCustomWallet (inObj = {}) {
+    try {
+      const { tokenId, qty, wallet } = inObj
+      // Input validation
+      if (!tokenId || typeof tokenId !== 'string') {
+        throw new Error('tokenId must be a string!')
+      }
+      if (!qty) {
+        throw new Error('qty must be a number!')
+      }
+      if (!wallet) {
+        throw new Error('wallet is required!')
+      }
+
+      const keyPair = await this.getKeyPair()
+      console.log('keyPair: ', keyPair)
+
+      const receiver = {
+        address: keyPair.cashAddress,
+        tokenId,
+        qty
+      }
+      console.log('receiver: ', receiver)
+
+      // Update the UTXO store of the wallet.
+      await wallet.initialize()
+
+      // Get the token type of the token being moved.
+      // Combine Fungible and NFT token UTXOs.
+      let tokenUtxos = wallet.utxos.utxoStore.slpUtxos.type1.tokens.concat(
+        wallet.utxos.utxoStore.slpUtxos.nft.tokens)
+      // Get token UTXOs that match the token in the order.
+      tokenUtxos = tokenUtxos.filter(
+        x => x.tokenId === tokenId
+      )
+
+      const txid = await wallet.sendTokens(receiver, 3)
+      const utxoInfo = {
+        txid,
+        vout: 1,
+        hdIndex: keyPair.hdIndex,
+        tokenType: tokenUtxos[0].tokenType
+      }
+
+      return utxoInfo
+    } catch (err) {
+      console.error('Error in wallet.js/moveTokensFromCustomWallet()')
+      throw err
+    }
+  }
 }
 
 export default WalletAdapter

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

@@ -35,6 +35,8 @@ class OrderRESTControllerLib {
       // console.log('body: ', ctx.request.body)
 
       const orderObj = ctx.request.body.order
+      const user = ctx.state.user
+      orderObj.userId = user._id
       console.log('orderObj: ', orderObj)
 
       const { eventId, noteId } = await _this.useCases.order.createOrder(orderObj)

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

@@ -7,6 +7,7 @@ import Router from 'koa-router'
 
 // Local libraries.
 import OrderRESTControllerLib from './controller.js'
+import Validators from '../middleware/validators.js'
 
 let _this
 
@@ -32,12 +33,14 @@ class OrderRouter {
     }
 
     // Encapsulate dependencies.
+    this.validators = new Validators()
     this.orderRESTController = new OrderRESTControllerLib(dependencies)
 
     // Instantiate the router and set the base route.
     const baseUrl = '/order'
     this.router = new Router({ prefix: baseUrl })
 
+    this.createOrder = this.createOrder.bind(this)
     _this = this
   }
 
@@ -49,7 +52,7 @@ class OrderRouter {
     }
 
     // Define the routes and attach the controller.
-    this.router.post('/', _this.orderRESTController.createOrder)
+    this.router.post('/', this.createOrder)
     this.router.get('/list/all/:page', _this.orderRESTController.listOrders)
     this.router.post('/delete', _this.orderRESTController.deleteOrder)
 
@@ -57,6 +60,11 @@ class OrderRouter {
     app.use(_this.router.routes())
     app.use(_this.router.allowedMethods())
   }
+
+  async createOrder (ctx, next) {
+    await _this.validators.ensureUser(ctx, next)
+    await _this.orderRESTController.createOrder(ctx, next)
+  }
 }
 
 export default OrderRouter

src/use-cases/offer/index.js

@@ -514,7 +514,7 @@ class OfferUseCases {
 
   // This function is called by the P2WDB webhook REST API handler. When a
   // Counter Offer is passed to bch-dex by the P2WDB, the data is then passed
-  // to this function. It does due dilligence on the Counter Offer, then signs
+  // to this function. It does due diligence on the Counter Offer, then signs
   // and broadcasts the transaction to accept the Counter Offer.
   async acceptCounterOffer (offerData) {
     try {
@@ -535,7 +535,7 @@ class OfferUseCases {
       let orderData = {}
       try {
         orderData = await this.orderUseCase.findOrderByUtxo(offerData)
-        // console.log(`orderData: ${JSON.stringify(orderData, null, 2)}`)
+        console.log(`orderData: ${JSON.stringify(orderData, null, 2)}`)
       } catch (err) {
         console.log('Order matching this Counter Offer is not managed by this instance of bch-dex. Skipping.')
 

src/use-cases/order.js

@@ -25,6 +25,7 @@ class OrderLib {
     // Encapsulate dependencies
     this.orderEntity = new OrderEntity()
     this.OrderModel = this.adapters.localdb.Order
+    this.UserModel = this.adapters.localdb.Users
     this.bch = this.adapters.bch
     this.config = config
     this.retryQueue = new RetryQueue({ retryPeriod: 1000, attempts: 3 })
@@ -43,8 +44,32 @@ class OrderLib {
 
       if (!entryObj.tokenId) throw new Error('entry does not contain required properties')
 
+      const user = await this.UserModel.findById(entryObj.userId)
+      if (!user) throw new Error('user not found')
+
+      console.log(`Using FullStack.cash: ${this.config.useFullStackCash}`)
+      const advancedConfig = {}
+      if (this.config.useFullStackCash) {
+        advancedConfig.interface = 'rest-api'
+        advancedConfig.restURL = this.config.apiServer
+        advancedConfig.apiToken = this.config.apiToken
+      } else {
+        advancedConfig.interface = 'consumer-api'
+        advancedConfig.restURL = this.config.consumerUrl
+      }
+
+      // Instantiate minimal-slp-wallet with the user's mnemonic.
+      const BchWallet = this.adapters.wallet.BchWallet
+      const userWallet = new BchWallet(user.mnemonic, advancedConfig)
+
+      // Wait for wallet to initialize.
+      await userWallet.walletInfoPromise
+      await userWallet.initialize()
+
       // Specify the address to send payment.
-      entryObj.makerAddr = this.adapters.wallet.bchWallet.walletInfo.cashAddress
+      console.log('userWallet.walletInfo: ', userWallet.walletInfo)
+      entryObj.makerAddr = userWallet.walletInfo.cashAddress
+      console.log('entryObj.makerAddr: ', entryObj.makerAddr)
       // console.log('entryObj.makerAddr: ', entryObj.makerAddr)
 
       // Input Validation
@@ -53,7 +78,8 @@ class OrderLib {
 
       // Optimize the wallet to speed up working with it.
       console.log('Optimizing wallet before creating new order.')
-      await this.retryQueue.addToQueue(this.adapters.wallet.bchWallet.optimize, {})
+      // await this.retryQueue.addToQueue(this.adapters.wallet.bchWallet.optimize, {})
+      await userWallet.optimize()
 
       // Ensure sufficient tokens exist to create the order.
       // await this.ensureFunds(orderEntity)
@@ -61,24 +87,26 @@ class OrderLib {
 
       // Get Ticker for token ID.
       // const tokenData = await this.adapters.wallet.bchWallet.getTxData([entryObj.tokenId])
-      const tokenData = await this.retryQueue.addToQueue(this.adapters.wallet.bchWallet.getTxData, [entryObj.tokenId])
+      // const tokenData = await this.retryQueue.addToQueue(this.adapters.wallet.bchWallet.getTxData, [entryObj.tokenId])
+      const tokenData = await userWallet.getTxData([entryObj.tokenId])
       // console.log(`tokenData: ${JSON.stringify(tokenData, null, 2)}`)
       orderEntity.ticker = tokenData[0].tokenTicker
 
       // Move the tokens to holding address.
       const moveObj = {
         tokenId: orderEntity.tokenId,
-        qty: orderEntity.numTokens
+        qty: orderEntity.numTokens,
+        wallet: userWallet
       }
       // const utxoInfo = await this.adapters.wallet.moveTokens(moveObj)
-      const utxoInfo = await this.retryQueue.addToQueue(this.adapters.wallet.moveTokens, moveObj)
+      const utxoInfo = await this.retryQueue.addToQueue(this.adapters.wallet.moveTokensFromCustomWallet, moveObj)
       // console.log('utxoInfo: ', utxoInfo)
 
       // Update the UTXO store for the wallet.
-      await this.adapters.wallet.bchWallet.bchjs.Util.sleep(3000)
+      await userWallet.bchjs.Util.sleep(3000)
       // await this.adapters.wallet.bchWallet.getUtxos()
-      await this.retryQueue.addToQueue(this.adapters.wallet.bchWallet.initialize, {})
-
+      // await this.retryQueue.addToQueue(this.adapters.wallet.bchWallet.initialize, {})
+      await userWallet.initialize()
       // Update the order with the new UTXO information.
       orderEntity.utxoTxid = utxoInfo.txid
       orderEntity.utxoVout = utxoInfo.vout
@@ -159,7 +187,7 @@ class OrderLib {
           )
         }
 
-      //
+        //
       } else {
         // Buy Order
         throw new Error('Buy orders are not supported yet.')
@@ -286,11 +314,11 @@ class OrderLib {
     try {
       const data = await this.OrderModel.find({})
 
-      // Sort entries so newest entries show first.
+        // Sort entries so newest entries show first.
         .sort('-timestamp')
-      // Skip to the start of the selected page.
+        // Skip to the start of the selected page.
         .skip(page * DEFAULT_ENTRIES_PER_PAGE)
-      // Only return 20 results.
+        // Only return 20 results.
         .limit(DEFAULT_ENTRIES_PER_PAGE)
 
       return data

test/unit/adapters/order-pagination.unit.js

@@ -47,7 +47,15 @@ describe('#OrderPagination', () => {
       timestamp: 'timestamp',
       localTimestamp: 'localTimestamp',
       txid: 'txid',
-      p2wdbHash: 'p2wdbHash'
+      p2wdbHash: 'p2wdbHash',
+      hdIndex: 0,
+      nostrEventId: 'nostrEventId',
+      dataType: 'dataType',
+      makerAddr: 'makerAddr',
+      rateInBaseUnit: 'rateInBaseUnit',
+      minUnitsToExchange: 'minUnitsToExchange',
+      ticker: 'ticker',
+      tokenType: 1
     })
     await order.save()
   })

test/unit/adapters/wallet.unit.js

@@ -0,0 +1,138 @@
+
+/*
+  Unit tests for the adapter/wallet.js library.
+*/
+
+// Global npm libraries
+import { assert } from 'chai'
+import sinon from 'sinon'
+
+import WalletAdapter from '../../../src/adapters/wallet.js'
+import { MockBchWallet } from '../mocks/adapters/wallet.js'
+
+describe('#wallet', () => {
+  let uut
+  let sandbox
+
+  beforeEach(() => {
+    uut = new WalletAdapter()
+    uut.bchWallet = new MockBchWallet()
+    uut.bitcoinJs = {
+      Transaction: {
+        fromHex: () => { return { } },
+        SIGHASH_ALL: () => { return { } }
+      },
+      TransactionBuilder: {
+        fromTransaction: () => { return { sign: () => { return { } }, build: () => { return { toHex: () => { return 'hex' } } } } }
+      },
+      ECPair: {
+        fromWIF: () => { return { } }
+      }
+    }
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => sandbox.restore())
+
+  describe('#moveTokensFromCustomWallet', () => {
+    it('should move tokens from a custom wallet', async () => {
+      sandbox.stub(uut, 'getKeyPair').resolves({
+        cashAddress: 'cashAddress',
+        wif: 'wif',
+        hdIndex: 11
+      })
+
+      const customWallet = new MockBchWallet()
+      customWallet.sendTokens = () => { return 'move token tx id result' }
+      customWallet.utxos.utxoStore.slpUtxos.type1.tokens = [
+        {
+          tokenId: 'tokenId',
+          tokenType: 1,
+          qty: 1
+        }
+      ]
+      const inObj = {
+        qty: 1,
+        wallet: customWallet,
+        tokenId: 'tokenId'
+      }
+      const result = await uut.moveTokensFromCustomWallet(inObj)
+      assert.equal(result.txid, 'move token tx id result')
+      assert.equal(result.hdIndex, 11)
+      assert.equal(result.tokenType, 1)
+      assert.equal(result.vout, 1)
+    })
+    it('should throw an error if the wallet is not provided', async () => {
+      try {
+        const inObj = {
+          qty: 1,
+          tokenId: 'tokenId'
+        }
+        await uut.moveTokensFromCustomWallet(inObj)
+        assert.fail('Unexpected code path')
+      } catch (error) {
+        assert.equal(error.message, 'wallet is required!')
+      }
+    })
+    it('should throw an error if the tokenId is not provided', async () => {
+      try {
+        const inObj = {
+          qty: 1,
+          wallet: new MockBchWallet()
+        }
+        await uut.moveTokensFromCustomWallet(inObj)
+        assert.fail('Unexpected code path')
+      } catch (error) {
+        assert.equal(error.message, 'tokenId must be a string!')
+      }
+    })
+    it('should throw an error if the qty is not provided', async () => {
+      try {
+        const inObj = {
+          tokenId: 'tokenId',
+          wallet: new MockBchWallet()
+        }
+        await uut.moveTokensFromCustomWallet(inObj)
+        assert.fail('Unexpected code path')
+      } catch (error) {
+        assert.equal(error.message, 'qty must be a number!')
+      }
+    })
+  })
+  describe('#completeTx', () => {
+    it('should complete a transaction', async () => {
+      sandbox.stub(uut, 'getKeyPair').resolves({
+        cashAddress: 'bitcoincash:qzl0d3gcqeypv4cy7gh8rgdszxa9vvm2acv7fqtd00',
+        wif: 'L5D2UAam8tvo3uii5kpgaGyjvVMimdrXu8nWGQSQjuuAix6ji1YQ',
+        hdIndex: 11
+      })
+      sandbox.stub(uut, 'deseralizeTx').resolves({
+        txid: 'complete tx id result'
+      })
+      sandbox.stub(uut.retryQueue, 'addToQueue').resolves('complete tx id result')
+
+      const hex = 'hex'
+      const hdIndex = 11
+      const txid = await uut.completeTx(hex, hdIndex)
+      assert.equal(txid, 'complete tx id result')
+    })
+    it('should throw an error if the hex is not provided', async () => {
+      try {
+        const hdIndex = 11
+        await uut.completeTx(null, hdIndex)
+        assert.fail('Unexpected code path')
+      } catch (error) {
+        assert.equal(error.message, 'hex must be a string!')
+      }
+    })
+    it('should throw an error if the hdIndex is not provided', async () => {
+      try {
+        const hex = 'hex'
+        await uut.completeTx(hex, null)
+        assert.fail('Unexpected code path')
+      } catch (error) {
+        assert.equal(error.message, 'hdIndex must be a non-negative number!')
+      }
+    })
+  })
+})

test/unit/controllers/rest-api/order/order.rest.controller.unit.js

@@ -65,6 +65,9 @@ describe('#Order-REST-Router', () => {
       ctx.request.body = {
         order: {}
       }
+      ctx.state.user = {
+        id: 'testUserId'
+      }
 
       // Mock dependencies
       sandbox.stub(uut.useCases.order, 'createOrder').resolves({ eventId: 'testEventId', noteId: 'testNoteId' })
@@ -80,6 +83,9 @@ describe('#Order-REST-Router', () => {
         ctx.request.body = {
           order: {}
         }
+        ctx.state.user = {
+          id: 'testUserId'
+        }
 
         // Force an error
         sandbox

test/unit/mocks/adapters/index.js

@@ -152,6 +152,7 @@ const wallet = {
   bchWallet: new MockBchWallet(),
   BchWallet: MockBchWallet,
   moveTokens: async () => {},
+  moveTokensFromCustomWallet: async () => {},
   moveBch: async () => {},
   reclaimTokens: async ()=>{},
   generatePartialTx: async ()=>{},

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

@@ -173,8 +173,9 @@ describe('#order-use-case', () => {
       // Mock dependencies and force expected code path
       sandbox.stub(uut.orderEntity, 'inputValidate').returns(entryObj)
       sandbox.stub(uut, 'ensureFunds').resolves()
+      sandbox.stub(uut.UserModel, 'findById').resolves({ mnemonic: 'testMnemonic' })
       sandbox.stub(uut.adapters.wallet.bchWallet.bchjs.Util, 'sleep').resolves()
-      sandbox.stub(uut.adapters.wallet, 'moveTokens').resolves({ txid: 'fakeTxid', vout: 0, hdIndex: 1 })
+      sandbox.stub(uut.adapters.wallet, 'moveTokensFromCustomWallet').resolves({ txid: 'fakeTxid', vout: 0, hdIndex: 1 })
       sandbox.stub(uut.adapters.wallet.bchWallet, 'initialize').resolves()
       sandbox.stub(uut.adapters.nostr, 'post').resolves('fakeEvenetId')
 
@@ -184,6 +185,55 @@ describe('#order-use-case', () => {
       assert.property(result, 'eventId')
       assert.property(result, 'noteId')
     })
+    it('should create an order with consumer-api', async () => {
+      uut.config.useFullStackCash = false
+      const entryObj = {
+        lokadId: 'SWP',
+        messageType: 1,
+        messageClass: 1,
+        tokenId: 'token-id',
+        buyOrSell: 'sell',
+        rateInBaseUnit: 1000,
+        minUnitsToExchange: 1250,
+        numTokens: 1,
+        ticker: 'TEST'
+      }
+
+      // Mock dependencies and force expected code path
+      sandbox.stub(uut.orderEntity, 'inputValidate').returns(entryObj)
+      sandbox.stub(uut, 'ensureFunds').resolves()
+      sandbox.stub(uut.UserModel, 'findById').resolves({ mnemonic: 'testMnemonic' })
+      sandbox.stub(uut.adapters.wallet.bchWallet.bchjs.Util, 'sleep').resolves()
+      sandbox.stub(uut.adapters.wallet, 'moveTokensFromCustomWallet').resolves({ txid: 'fakeTxid', vout: 0, hdIndex: 1 })
+      sandbox.stub(uut.adapters.wallet.bchWallet, 'initialize').resolves()
+      sandbox.stub(uut.adapters.nostr, 'post').resolves('fakeEvenetId')
+
+      const result = await uut.createOrder(entryObj)
+      console.log('result: ', result)
+
+      assert.property(result, 'eventId')
+      assert.property(result, 'noteId')
+    })
+    it('should throw error if user is not found', async () => {
+      try {
+        const entryObj = {
+          lokadId: 'SWP',
+          messageType: 1,
+          messageClass: 1,
+          tokenId: 'token-id',
+          buyOrSell: 'sell',
+          rateInBaseUnit: 1000,
+          minUnitsToExchange: 1250,
+          numTokens: 1,
+          ticker: 'TEST'
+        }
+        await uut.createOrder(entryObj)
+
+        assert.fail('Unexpected code path')
+      } catch (err) {
+        assert.include(err.message, 'user not found')
+      }
+    })
 
     it('should catch and throw an error', async () => {
       try {

util/users/dev/getUsers.js

@@ -1,6 +1,6 @@
 import mongoose from 'mongoose'
 import config from '../../config/index.js'
-import User from '../../src/models/users.js'
+import User from '../../src/adapters/localdb/models/users.js'
 
 async function getUsers () {
   // Connect to the Mongo Database.

util/users/production/getUsers.js

@@ -0,0 +1,21 @@
+import mongoose from 'mongoose'
+// import config from '../../config/index.js'
+import User from '../../../src/adapters/localdb/models/users.js'
+
+const mongooseConnectStr = 'mongodb://172.17.0.1:5666/bch-swap-service-prod'
+
+async function getUsers () {
+  // Connect to the Mongo Database.
+  mongoose.Promise = global.Promise
+  mongoose.set('useCreateIndex', true) // Stop deprecation warning.
+  await mongoose.connect(
+    mongooseConnectStr,
+    { useNewUrlParser: true, useUnifiedTopology: true }
+  )
+
+  const users = await User.find({}, '-password')
+  console.log(`users: ${JSON.stringify(users, null, 2)}`)
+
+  mongoose.connection.close()
+}
+getUsers()

util/wallet/sweep-funds2.js

@@ -0,0 +1,83 @@
+/*
+  This script will travers the HD wallet and sweep funds and tokens back
+  into the root address (index 0). That root address needs to have funds
+  to pay for the transactions.
+
+  This version will traverse the HD index of the wallet until it reaches
+  the value in the nextAddress property. This ensures that all UTXOs
+  that could be used by the wallet have been swept.
+*/
+
+// Public npm libraries
+import BCHJS from '@psf/bch-js'
+
+import BchTokenSweep from 'bch-token-sweep'
+
+// Local libraries
+import WalletAdapter from '../../src/adapters/wallet.js'
+
+async function sweepFunds () {
+  try {
+    // Open the wallet files.
+    const wallet = new WalletAdapter()
+    const walletInfo = await wallet.openWallet()
+    const bchWallet = await wallet.instanceWallet(walletInfo)
+    console.log('walletInfo: ', walletInfo)
+
+    const lastIndex = walletInfo.nextAddress
+
+    const rootAddr = walletInfo.cashAddress
+    const rootWif = walletInfo.privateKey
+    console.log(`Sweeping all funds into root address ${rootAddr}...`)
+
+    // Generate an HD tree
+    const bchjs = new BCHJS()
+    const rootSeed = await bchjs.Mnemonic.toSeed(walletInfo.mnemonic)
+    const masterHDNode = bchjs.HDNode.fromSeed(rootSeed)
+
+    let hdIndex = 1
+
+    do {
+      // Generate a keypair from the HD wallet.
+      const childNode = masterHDNode.derivePath(`m/44'/245'/0'/0/${hdIndex}`)
+      const cashAddress = bchjs.HDNode.toCashAddress(childNode)
+      const wifToSweep = bchjs.HDNode.toWIF(childNode)
+
+      console.log(`\nSweeping HD Index ${hdIndex} with address ${cashAddress}`)
+
+      try {
+        // Sweep tokens from address
+        const sweeper = new BchTokenSweep(
+          wifToSweep,
+          rootWif,
+          bchWallet,
+          550,
+          rootAddr
+        )
+        await sweeper.populateObjectFromNetwork()
+
+        const hex = await sweeper.sweepTo(rootAddr)
+        // console.log(`hex: ${hex}`)
+
+        const txid = await sweeper.blockchain.broadcast(hex)
+
+        // console.log('Transaction ID', txid)
+        console.log(`Swept HD index ${hdIndex}. TXID: ${txid}`)
+
+        // Wait between loop iterations.
+        await bchjs.Util.sleep(3000)
+      } catch (err) {
+        console.log(`error message with index ${hdIndex}: ${err}`)
+      }
+
+      hdIndex++
+    } while (hdIndex <= lastIndex)
+
+    console.log(`${lastIndex} empty addresses detected. Exiting.`)
+
+    console.log('\n\nDo not forget to reset the nextAddress property in the wallet.json file!\n\n')
+  } catch (err) {
+    console.error('Error in sweepFunds(): ', err)
+  }
+}
+sweepFunds()