tests/payments: add null data tests

test/fixtures/p2data.json

@@ -0,0 +1,63 @@
+{
+  "valid": [
+    {
+      "description": "output from output",
+      "arguments": {
+        "output": "OP_RETURN a3b147dbe4a85579fc4b5a1811e76620560e07267e62b9a0d6858f9127735cadd82f67e06c24dbc4"
+      },
+      "expected": {
+        "data": [
+          "a3b147dbe4a85579fc4b5a1811e76620560e07267e62b9a0d6858f9127735cadd82f67e06c24dbc4"
+        ],
+        "output": "OP_RETURN a3b147dbe4a85579fc4b5a1811e76620560e07267e62b9a0d6858f9127735cadd82f67e06c24dbc4",
+        "input": null,
+        "witness": null
+      }
+    },
+    {
+      "description": "output from data",
+      "arguments": {
+        "data": [
+          "a3b147dbe4a85579fc4b5a1811e76620560e07267e62b9a0d6858f9127735cadd82f67e06c24dbc4"
+        ]
+      },
+      "expected": {
+        "data": [
+          "a3b147dbe4a85579fc4b5a1811e76620560e07267e62b9a0d6858f9127735cadd82f67e06c24dbc4"
+        ],
+        "output": "OP_RETURN a3b147dbe4a85579fc4b5a1811e76620560e07267e62b9a0d6858f9127735cadd82f67e06c24dbc4",
+        "input": null,
+        "witness": null
+      }
+    }
+  ],
+  "invalid": [
+    {
+      "exception": "Not enough data",
+      "arguments": {}
+    }
+  ],
+  "dynamic": {
+    "depends": {
+      "data": [ "data", "output" ],
+      "output": [ "output", "data" ]
+    },
+    "details": [
+      {
+        "description": "p2data",
+        "data": [
+          "a3b147dbe4a85579fc4b5a1811e76620560e07267e62b9a0d6858f9127735cadd82f67e06c24dbc4"
+        ],
+        "output": "OP_RETURN a3b147dbe4a85579fc4b5a1811e76620560e07267e62b9a0d6858f9127735cadd82f67e06c24dbc4"
+      },
+      {
+        "description": "p2data",
+        "data": [
+          "a3b147dbe4a85579fc4b5a1811e76620560e0726",
+          "7e62b9a0d6858f9127735cadd82f67e06c24dbc4"
+        ],
+        "output": "OP_RETURN a3b147dbe4a85579fc4b5a1811e76620560e0726 7e62b9a0d6858f9127735cadd82f67e06c24dbc4"
+      }
+    ]
+  }
+}

test/payments.js

@@ -3,7 +3,7 @@
 const assert = require('assert')
 const u = require('./payments.utils')
 
-;['p2ms', 'p2pk', 'p2pkh', 'p2sh', 'p2wpkh', 'p2wsh'].forEach(function (p) {
+;['p2data', 'p2ms', 'p2pk', 'p2pkh', 'p2sh', 'p2wpkh', 'p2wsh'].forEach(function (p) {
   describe(p, function () {
     const fn = require('../src/payments/' + p)
     const fixtures = require('./fixtures/' + p)