feat(operator fee): Adding config values to ensure bch-dex operator recieves a fee

config/env/common.js

@@ -191,5 +191,9 @@ export default {
   disableNewAccounts: process.env.DISABLE_NEW_ACCOUNTS ? true : false,
 
   // Admin password
-  adminPassword: process.env.ADMIN_PASSWORD
+  adminPassword: process.env.ADMIN_PASSWORD,
+
+  // The Operator of BCH DEX can elect to receive a percentage of each sale.
+  operatorAddress: process.env.OPERATOR_ADDRESS ? process.env.OPERATOR_ADDRESS : 'bitcoincash:qqsrke9lh257tqen99dkyy2emh4uty0vky9y0z0lsr',
+  operatorPercentage: process.env.OPERATOR_PERCENTAGE ? parseFloat(process.env.OPERATOR_PERCENTAGE) : 2.0
 }

src/adapters/localdb/models/order.js

@@ -43,7 +43,11 @@ const Order = new mongoose.Schema({
   // Additional properties found in createOrder
   dataType: { type: String, required: true },
 
-  userId: { type: String, required: true }
+  userId: { type: String, required: true },
+
+  // Operator fee and address
+  operatorAddress: { type: String },
+  operatorPercentage: { type: Number }
 })
 
 export default mongoose.model('order', Order)

src/use-cases/order.js

@@ -44,6 +44,7 @@ class OrderLib {
 
       if (!entryObj.tokenId) throw new Error('entry does not contain required properties')
 
+      // Get the user data from the database, for the user creating the new Order.
       const user = await this.UserModel.findById(entryObj.userId)
       if (!user) throw new Error('user not found')
 
@@ -81,13 +82,7 @@ class OrderLib {
       // await this.retryQueue.addToQueue(this.adapters.wallet.bchWallet.optimize, {})
       await userWallet.optimize()
 
-      // Ensure sufficient tokens exist to create the order.
-      // await this.ensureFunds(orderEntity)
-      // await this.retryQueue.addToQueue(this.ensureFunds, orderEntity)
-
       // 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 userWallet.getTxData([entryObj.tokenId])
       // console.log(`tokenData: ${JSON.stringify(tokenData, null, 2)}`)
       orderEntity.ticker = tokenData[0].tokenTicker
@@ -107,15 +102,20 @@ class OrderLib {
       // await this.adapters.wallet.bchWallet.getUtxos()
       // 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
       orderEntity.tokenType = utxoInfo.tokenType
 
-      // Add P2WDB specific flag for signaling that this is a new offer.
+      // Add flag to signal that this is a new offer.
       orderEntity.dataType = 'offer'
       orderEntity.userId = user._id
 
+      // Add the operator address and percentage to the order.
+      orderEntity.operatorAddress = this.config.operatorAddress
+      orderEntity.operatorPercentage = this.config.operatorPercentage
+
       // Post the new Order information to Nostr under the topic set in the
       // config file.
       const postObj = {