From 695072dfbf417de98aaee4bff68e28759a742867 Mon Sep 17 00:00:00 2001
From: Chris Troutner <chris.troutner@gmail.com>
Date: Sat, 18 Jul 2020 19:40:17 -0700
Subject: [PATCH] fix(generateSendOpReturn): returns hex string now

---
 package.json               |  2 +-
 src/routes/v3/slp.js       | 24 +++++++++++++++++++++++-
 test/v3/integration/slp.js | 26 ++++++++++++++++++++++++--
 test/v3/slp.js             | 11 ++++++++---
 4 files changed, 56 insertions(+), 7 deletions(-)

diff --git a/package.json b/package.json
index b614cec..996f04d 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "test": "npm run lint && npm run test-v3",
     "lint": "standard --env mocha --fix",
     "test-v3": "export NETWORK=mainnet && nyc --reporter=text mocha --timeout 60000 test/v3/",
-    "test:temp": "export NETWORK=mainnet && mocha --timeout 25000 test/v3/slp.js",
+    "test:temp": "export NETWORK=mainnet && mocha --timeout 25000 test/v3/integration/slp.js",
     "test:integration": "mocha test/v3/integration",
     "test:integration:slpdb": "mocha --timeout 25000 test/v3/integration/slp*.js",
     "coverage": "nyc report --reporter=text-lcov | coveralls",
diff --git a/src/routes/v3/slp.js b/src/routes/v3/slp.js
index cd0a9ca..8225dba 100644
--- a/src/routes/v3/slp.js
+++ b/src/routes/v3/slp.js
@@ -1611,14 +1611,32 @@ class Slp {
     }
   }
 
+  /**
+   * @api {post} /slp/generateSendOpReturn/ generateSendOpReturn
+   * @apiName SLP generateSendOpReturn
+   * @apiGroup SLP
+   * @apiDescription Generate the hex required for a SLP Send OP_RETURN.
+   *
+   * This will return a hexidecimal representation of the OP_RETURN code that
+   * can be used to generate an SLP Send transaction. The number of outputs
+   * (1 or 2) will also be returned.
+   *
+   * @apiExample Example usage:
+   * curl -X POST "https://api.fullstack.cash/v3/slp/generateSendOpReturn" -H "accept:application/json" -H "Content-Type: application/json" -d '{"tokenUtxos":[{"tokenId": "0a321bff9761f28e06a268b14711274bb77617410a16807bd0437ef234a072b1","decimals": 0, "tokenQty": 2}], "sendQty": 1.5}'
+   *
+   *
+   */
   // Get OP_RETURN script and outputs
   async generateSendOpReturn (req, res, next) {
     try {
       const tokenUtxos = req.body.tokenUtxos
+      // console.log(`tokenUtxos: `, tokenUtxos)
 
       const _sendQty = req.body.sendQty
       const sendQty = Number(_sendQty)
 
+      // console.log(`sendQty: `, sendQty)
+
       // Reject if tokenUtxos is not an array.
       if (!Array.isArray(tokenUtxos)) {
         res.status(400)
@@ -1648,7 +1666,11 @@ class Slp {
         sendQty
       )
 
-      return res.json(opReturn)
+      const script = opReturn.script.toString('hex')
+      // console.log(`script: ${script}`)
+
+      res.status(200)
+      return res.json({ script, outputs: opReturn.outputs })
     } catch (err) {
       wlogger.error('Error in slp.js/generateSendOpReturn().', err)
 
diff --git a/test/v3/integration/slp.js b/test/v3/integration/slp.js
index 7fc8923..2ce5bbe 100644
--- a/test/v3/integration/slp.js
+++ b/test/v3/integration/slp.js
@@ -14,7 +14,9 @@ util.inspect.defaultOptions = { depth: 1 }
 
 // Exit if SLPDB URL is not defined.
 if (!process.env.SLPDB_URL) {
-  throw new Error('SLPDB_URL and SLPDB_PASS must be defined in order to run these tests.')
+  throw new Error(
+    'SLPDB_URL and SLPDB_PASS must be defined in order to run these tests.'
+  )
 }
 
 const SLP = require('../../../src/routes/v3/slp')
@@ -35,7 +37,7 @@ describe('#slp', () => {
     it('should get token stats for token with no mint baton', async () => {
       req.params.tokenId =
         '497291b8a1dfe69c8daea50677a3d31a5ef0e9484d8bebb610dac64bbc202fb7'
-        // 'a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2'
+      // 'a4fb5c2da1aa064e25018a43f9165040071d9e984ba190c222a7f59053af84b2'
 
       const result = await slp.tokenStats(req, res)
       // console.log(`result: ${util.inspect(result)}`)
@@ -99,4 +101,24 @@ describe('#slp', () => {
       assert.equal(result.containsBaton, true)
     })
   })
+
+  describe('generateSendOpReturn', () => {
+    it('should return OP_RETURN script', async () => {
+      req.body.tokenUtxos = [
+        {
+          tokenId:
+            '0a321bff9761f28e06a268b14711274bb77617410a16807bd0437ef234a072b1',
+          decimals: 0,
+          tokenQty: 2
+        }
+      ]
+      req.body.sendQty = 1.5
+
+      const result = await slp.generateSendOpReturn(req, res)
+      // console.log(`result: ${util.inspect(result)}`)
+
+      assert.hasAllKeys(result, ['script', 'outputs'])
+      assert.isNumber(result.outputs)
+    })
+  })
 })
diff --git a/test/v3/slp.js b/test/v3/slp.js
index b59bc68..89e1dbc 100644
--- a/test/v3/slp.js
+++ b/test/v3/slp.js
@@ -474,7 +474,9 @@ describe('#SLP', () => {
 
     it('returns proper error when downstream service stalls', async () => {
       // Mock the timeout error.
-      sandbox.stub(slpRoute.slpdb, 'getTokenStats').throws({ code: 'ECONNABORTED' })
+      sandbox
+        .stub(slpRoute.slpdb, 'getTokenStats')
+        .throws({ code: 'ECONNABORTED' })
 
       req.params.tokenId =
         '497291b8a1dfe69c8daea50677a3d31a5ef0e9484d8bebb610dac64bbc202fb7'
@@ -492,7 +494,9 @@ describe('#SLP', () => {
 
     it('returns proper error when downstream service is down', async () => {
       // Mock the timeout error.
-      sandbox.stub(slpRoute.slpdb, 'getTokenStats').throws({ code: 'ECONNREFUSED' })
+      sandbox
+        .stub(slpRoute.slpdb, 'getTokenStats')
+        .throws({ code: 'ECONNREFUSED' })
 
       req.params.tokenId =
         '497291b8a1dfe69c8daea50677a3d31a5ef0e9484d8bebb610dac64bbc202fb7'
@@ -863,7 +867,8 @@ describe('#SLP', () => {
     it('should return OP_RETURN script', async () => {
       req.body.tokenUtxos = [
         {
-          tokenId: '0a321bff9761f28e06a268b14711274bb77617410a16807bd0437ef234a072b1',
+          tokenId:
+            '0a321bff9761f28e06a268b14711274bb77617410a16807bd0437ef234a072b1',
           decimals: 0,
           tokenQty: 2
         }