From efd669e5fe5fe394dc9b97f5696058bde8b9894f Mon Sep 17 00:00:00 2001
From: Chris Troutner <chris.troutner@gmail.com>
Date: Tue, 6 Oct 2020 13:15:53 -0700
Subject: [PATCH] fix(hydrateUtxos): Adding support for a corner case

---
 package.json         |  2 +-
 src/routes/v3/slp.js |  8 ++++++++
 test/v3/slp.js       | 28 ++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 38b7c23..ae22554 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/util.js",
+    "test:temp": "export NETWORK=mainnet && mocha --timeout 25000 test/v3/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 accd8c8..8452722 100644
--- a/src/routes/v3/slp.js
+++ b/src/routes/v3/slp.js
@@ -1570,6 +1570,13 @@ class Slp {
         })
       }
 
+      if (!utxos[0].utxos) {
+        res.status(422)
+        return res.json({
+          error: 'Each element in array should have a utxos property'
+        })
+      }
+
       // Loop through each address and query the UTXOs for that element.
       for (let i = 0; i < utxos.length; i++) {
         const theseUtxos = utxos[i].utxos
@@ -1586,6 +1593,7 @@ class Slp {
       return res.json({ slpUtxos: utxos })
     } catch (err) {
       wlogger.error('Error in slp.js/hydrateUtxos().', err)
+      console.error('Error in slp.js/hydrateUtxos().', err)
 
       // Decode the error message.
       const { msg, status } = routeUtils.decodeError(err)
diff --git a/test/v3/slp.js b/test/v3/slp.js
index 4c1d517..47d5537 100644
--- a/test/v3/slp.js
+++ b/test/v3/slp.js
@@ -1034,6 +1034,34 @@ describe('#SLP', () => {
       assert.property(result.slpUtxos[0].utxos[1], 'tokenType')
       assert.property(result.slpUtxos[0].utxos[1], 'tokenQty')
     })
+
+    it('should throw error for missing properties', async () => {
+      const utxos = [
+        {
+          height: 639443,
+          tx_hash:
+            '30707fffb9b295a06a68d217f49c198e9e1dbe1edc3874a0928ca1905f1709df',
+          tx_pos: 0,
+          value: 6000
+        },
+        {
+          height: 639443,
+          tx_hash:
+            '8962566e413501224d178a02effc89be5ac0d8e4195f617415d443dc4c38fe50',
+          tx_pos: 1,
+          value: 546
+        }
+      ]
+
+      req.body.utxos = utxos
+      const result = await slpRoute.hydrateUtxos(req, res)
+
+      assert.hasAllKeys(result, ['error'])
+      assert.include(
+        result.error,
+        'Each element in array should have a utxos property'
+      )
+    })
   })
 })