feat(utxos): Added utxos endpoing to REST and JSON RPC

src/controllers/json-rpc/bch/index.js

@@ -52,10 +52,13 @@ class BCHRPC {
           await this.rateLimit.limiter(rpcData.from)
           return await this.transactions(rpcData)
 
-        // case 'getAllUsers':
-        //   await this.validators.ensureUser(rpcData)
-        //   await this.rateLimit.limiter(rpcData.from)
-        //   return await this.getAll(rpcData)
+        case 'balance':
+          await this.rateLimit.limiter(rpcData.from)
+          return await this.balance(rpcData)
+
+        case 'utxos':
+          await this.rateLimit.limiter(rpcData.from)
+          return await this.utxos(rpcData)
         //
         // case 'getUser':
         //   user = await this.validators.ensureUser(rpcData)
@@ -161,6 +164,46 @@ class BCHRPC {
     }
   }
 
+  /**
+   * @api {JSON} /bch UTXOs
+   * @apiPermission public
+   * @apiName UTXOs
+   * @apiGroup JSON BCH
+   * @apiDescription This endpoint wraps the bchjs.Utxos.get() function. This
+   * endpoint returns UTXOs held at an address, hydrated
+   * with token information.
+   *
+   * @apiExample Example usage:
+   * {"jsonrpc":"2.0","id":"555","method":"bch","params":{ "endpoint": "utxos", "address": "bitcoincash:qrl2nlsaayk6ekxn80pq0ks32dya8xfclyktem2mqj"}}
+   *
+   */
+  async utxos (rpcData) {
+    try {
+      // console.log('createUser rpcData: ', rpcData)
+
+      const addr = rpcData.payload.params.address
+
+      const data = await this.bchjs.Utxo.get(addr)
+      // console.log(`data: ${JSON.stringify(data, null, 2)}`)
+
+      const retObj = data
+      retObj.status = 200
+
+      return retObj
+    } catch (err) {
+      // console.error('Error in createUser()')
+      // throw err
+
+      // Return an error response
+      return {
+        success: false,
+        status: 422,
+        message: err.message,
+        endpoint: 'utxos'
+      }
+    }
+  }
+
   // TODO create deleteUser()
 }
 

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

@@ -104,6 +104,45 @@ class BCHRESTController {
     }
   }
 
+  /**
+   * @api {post} /bch/utxos Balance
+   * @apiName Utxos
+   * @apiGroup REST BCH
+   * @apiDescription This endpoint returns UTXOs held at an address, hydrated
+   * with token information.
+   *
+   * @apiExample Example usage:
+   * curl -H "Content-Type: application/json" -X POST -d '{ "address": "bitcoincash:qrl2nlsaayk6ekxn80pq0ks32dya8xfclyktem2mqj" }' localhost:5001/bch/utxos
+   *
+   * @apiSuccessExample {json} Success-Response:
+   *     HTTP/1.1 200 OK
+   *     {
+   *        success:true,
+   *        data: <data>
+   *     }
+   *
+   * @apiError UnprocessableEntity Missing required parameters
+   *
+   * @apiErrorExample {json} Error-Response:
+   *     HTTP/1.1 422 Unprocessable Entity
+   *     {
+   *       "status": 422,
+   *       "error": "Unprocessable Entity"
+   *     }
+   */
+  async utxos (ctx) {
+    try {
+      const address = ctx.request.body.address
+
+      const utxos = await _this.bchjs.Utxo.get(address)
+      // console.log(`utxos: ${JSON.stringify(utxos, null, 2)}`)
+
+      ctx.body = utxos
+    } catch (err) {
+      _this.handleError(ctx, err)
+    }
+  }
+
   // DRY error handler
   handleError (ctx, err) {
     // If an HTTP status is specified by the buisiness logic, use that.

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

@@ -47,6 +47,7 @@ class BCHRouter {
     // Define the routes and attach the controller.
     this.router.post('/transactions', this.bchRESTController.transactions)
     this.router.post('/balance', this.bchRESTController.balance)
+    this.router.post('/utxos', this.bchRESTController.utxos)
 
     // Attach the Controller routes to the Koa app.
     app.use(this.router.routes())

test/unit/controllers/json-rpc/bch.json-rpc.controller.unit.js

@@ -80,6 +80,44 @@ describe('#BCHRPC', () => {
       assert.equal(result, true)
     })
 
+    it('should route to the balance method', async () => {
+      // Mock dependencies
+      sandbox.stub(uut, 'balance').resolves(true)
+
+      // Generate the parsed data that the main router would pass to this
+      // endpoint.
+      const id = uid()
+      const txCall = jsonrpc.request(id, 'bch', {
+        endpoint: 'balance'
+      })
+      const jsonStr = JSON.stringify(txCall, null, 2)
+      const rpcData = jsonrpc.parse(jsonStr)
+      rpcData.from = 'Origin request'
+
+      const result = await uut.bchRouter(rpcData)
+
+      assert.equal(result, true)
+    })
+
+    it('should route to the utxos method', async () => {
+      // Mock dependencies
+      sandbox.stub(uut, 'utxos').resolves(true)
+
+      // Generate the parsed data that the main router would pass to this
+      // endpoint.
+      const id = uid()
+      const txCall = jsonrpc.request(id, 'bch', {
+        endpoint: 'utxos'
+      })
+      const jsonStr = JSON.stringify(txCall, null, 2)
+      const rpcData = jsonrpc.parse(jsonStr)
+      rpcData.from = 'Origin request'
+
+      const result = await uut.bchRouter(rpcData)
+
+      assert.equal(result, true)
+    })
+
     it('should return 500 status on routing issue', async () => {
       // Mock dependencies
       sandbox.stub(uut, 'transactions').rejects(new Error('test error'))
@@ -200,4 +238,50 @@ describe('#BCHRPC', () => {
       assert.equal(response.endpoint, 'balance')
     })
   })
+
+  describe('#utxos', () => {
+    it('should return data from bchjs', async () => {
+      // Mock dependencies
+      sandbox.stub(uut.bchjs.Utxo, 'get').resolves({ success: true })
+
+      // Generate the parsed data that the main router would pass to this
+      // endpoint.
+      const id = uid()
+      const rpcCall = jsonrpc.request(id, 'bch', {
+        endpoint: 'utxos',
+        addresses: 'testAddr'
+      })
+      const jsonStr = JSON.stringify(rpcCall, null, 2)
+      const rpcData = jsonrpc.parse(jsonStr)
+
+      const response = await uut.utxos(rpcData)
+      // console.log('response: ', response)
+
+      assert.equal(response.success, true)
+      assert.equal(response.status, 200)
+    })
+
+    it('should return an error for invalid address', async () => {
+      // Force an error
+      sandbox.stub(uut.bchjs.Utxo, 'get').rejects(new Error('Invalid address'))
+
+      // Generate the parsed data that the main router would pass to this
+      // endpoint.
+      const id = uid()
+      const rpcCall = jsonrpc.request(id, 'bch', {
+        endpoint: 'utxos',
+        addresses: 'testAddr'
+      })
+      const jsonStr = JSON.stringify(rpcCall, null, 2)
+      const rpcData = jsonrpc.parse(jsonStr)
+
+      const response = await uut.utxos(rpcData)
+      // console.log('response: ', response)
+
+      assert.equal(response.success, false)
+      assert.equal(response.status, 422)
+      assert.equal(response.message, 'Invalid address')
+      assert.equal(response.endpoint, 'utxos')
+    })
+  })
 })

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

@@ -131,6 +131,38 @@ describe('#BCH-REST-Router', () => {
     })
   })
 
+  describe('#utxos', () => {
+    it('should return data from bchjs', async () => {
+      // Mock dependencies
+      sandbox.stub(uut.bchjs.Utxo, 'get').resolves({ success: true })
+
+      ctx.request.body = {
+        addresses: 'testAddr'
+      }
+
+      await uut.utxos(ctx)
+      // console.log('ctx.body: ', ctx.body)
+
+      assert.equal(ctx.body.success, true)
+    })
+
+    it('should catch and throw an error', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.bchjs.Utxo, 'get').rejects(new Error('test error'))
+
+        ctx.request.body = {
+          addresses: 'testAddr'
+        }
+
+        await uut.utxos(ctx)
+      } catch (err) {
+        // console.log('err: ', err)
+        assert.include(err.message, 'test error')
+      }
+    })
+  })
+
   describe('#handleError', () => {
     it('should pass an error message', () => {
       try {