From 61caf6974a4c7b7453a1b3b5fe2e4995f72d0f53 Mon Sep 17 00:00:00 2001
From: Braydon Fuller <courier@braydon.com>
Date: Fri, 3 Jun 2016 15:41:14 -0400
Subject: [PATCH] cli: parse json params

---
 lib/cli/main.js    |  4 +++-
 lib/utils.js       | 13 +++++++++++++
 test/utils.unit.js | 18 ++++++++++++++++++
 3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/lib/cli/main.js b/lib/cli/main.js
index 86ef3053..5e0e13cc 100644
--- a/lib/cli/main.js
+++ b/lib/cli/main.js
@@ -3,6 +3,7 @@
 var program = require('commander');
 var path = require('path');
 var bitcorenode = require('..');
+var utils = require('../utils');
 
 function main(servicesPath, additionalServices) {
   /* jshint maxstatements: 100 */
@@ -124,7 +125,8 @@ function main(servicesPath, additionalServices) {
   program
     .command('call <method> [params...]')
     .description('Call an API method')
-    .action(function(method, params) {
+    .action(function(method, paramsArg) {
+      var params = utils.parseParamsWithJSON(paramsArg);
       var configInfo = findConfig(process.cwd());
       if (!configInfo) {
         configInfo = defaultConfig();
diff --git a/lib/utils.js b/lib/utils.js
index cae2a5fe..b4b3af7a 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -26,4 +26,17 @@ if (!utils.isAbsolutePath) {
   utils.isAbsolutePath = require('path-is-absolute');
 }
 
+utils.parseParamsWithJSON = function parseParamsWithJSON(paramsArg) {
+  var params = paramsArg.map(function(paramArg) {
+    var param;
+    try {
+      param = JSON.parse(paramArg);
+    } catch(err) {
+      param = paramArg;
+    }
+    return param;
+  });
+  return params;
+};
+
 module.exports = utils;
diff --git a/test/utils.unit.js b/test/utils.unit.js
index 96bc7b6c..ff166b83 100644
--- a/test/utils.unit.js
+++ b/test/utils.unit.js
@@ -130,4 +130,22 @@ describe('Utils', function() {
 
   });
 
+  describe('#parseParamsWithJSON', function() {
+    it('will parse object', function() {
+      var paramsArg = ['3CMNFxN1oHBc4R1EpboAL5yzHGgE611Xou', '{"start": 100, "end": 1}'];
+      var params = utils.parseParamsWithJSON(paramsArg);
+      params.should.deep.equal(['3CMNFxN1oHBc4R1EpboAL5yzHGgE611Xou', {start: 100, end: 1}]);
+    });
+    it('will parse array', function() {
+      var paramsArg = ['3CMNFxN1oHBc4R1EpboAL5yzHGgE611Xou', '[0, 1]'];
+      var params = utils.parseParamsWithJSON(paramsArg);
+      params.should.deep.equal(['3CMNFxN1oHBc4R1EpboAL5yzHGgE611Xou', [0, 1]]);
+    });
+    it('will parse numbers', function() {
+      var paramsArg = ['3', 0, 'b', '0', 0x12, '0.0001'];
+      var params = utils.parseParamsWithJSON(paramsArg);
+      params.should.deep.equal([3, 0, 'b', 0, 0x12, 0.0001]);
+    });
+  });
+
 });