From 8711b75462530b4ff876b2f7ac8201aa97c37584 Mon Sep 17 00:00:00 2001
From: Iuri Matias <iuri.matias@gmail.com>
Date: Sun, 2 Oct 2016 18:45:55 -0400
Subject: [PATCH] add support for more simulators

---
 demo/chains.json | 34 ++++++++++++++++++++++++++++++++++
 lib/cmd.js       | 34 ++++++++++++++++++++++++----------
 2 files changed, 58 insertions(+), 10 deletions(-)

diff --git a/demo/chains.json b/demo/chains.json
index 25955750..7de3c875 100644
--- a/demo/chains.json
+++ b/demo/chains.json
@@ -1,4 +1,38 @@
 {
+  "0x4d12c61541655bbf65aea06b4813a7a0f3317cb470623258f4e3909746f23cd6": {
+    "name": "development",
+    "contracts": {
+      "2ac097aa929aece4724cc229cc7bd26c7dfa153f3274b5623936cb4a4dc12fa1": {
+        "address": "0x123",
+        "name":    "token"
+      },
+      "577bcb0c85129a6ff9e4dcde08f04e6f094e94c74a4423fc90e5947df9a21b82": {
+        "address": "0xaa5b04650f2705ef87d566cdfd0e45bfc19f43ce",
+        "name":    "SimpleStorage"
+      },
+      "e0d35d6564373021d9749a7a8815cf58cc5ca7b7edaf4740c1913898561531c3": {
+        "address": "0xdad08a3a58bb903ccebfbf1a4e55e45e7ec8d0e4",
+        "name":    "SimpleStorage2"
+      }
+    }
+  },
+  "0x8839bd592160ddb23170ad76688c12a73ce41d41a6437163de0fb080bbface0a": {
+    "name": "development",
+    "contracts": {
+      "2ac097aa929aece4724cc229cc7bd26c7dfa153f3274b5623936cb4a4dc12fa1": {
+        "address": "0x123",
+        "name":    "token"
+      },
+      "577bcb0c85129a6ff9e4dcde08f04e6f094e94c74a4423fc90e5947df9a21b82": {
+        "address": "0xc0008e20eb48abf2e3bacc3be0ee4f3b7ae42cfe",
+        "name":    "SimpleStorage"
+      },
+      "e0d35d6564373021d9749a7a8815cf58cc5ca7b7edaf4740c1913898561531c3": {
+        "address": "0x1246646162a64c6dbb6fd285a6bbffdfc093aa56",
+        "name":    "SimpleStorage2"
+      }
+    }
+  },
   "0xb6cfeab83614da04c03db0fb8a6787a45d0be8d576fcc6f8f457a5a816d22ab3": {
     "name": "development",
     "contracts": {
diff --git a/lib/cmd.js b/lib/cmd.js
index 781543ce..1c1598f5 100644
--- a/lib/cmd.js
+++ b/lib/cmd.js
@@ -88,17 +88,31 @@ Cmd.prototype.simulator = function() {
   program
   .command('simulator')
   .description('run a fast ethereum rpc simulator')
-  .option('--ethersim', 'use ethersim as the rpc simulator [default]')
-  .action(function() {
-    var EtherSim;
-    try {
-      EtherSim = require('ethersim');
-    } catch(e) {
-      console.log('EtherSim not found; Please install it with "npm install ethersim --save"');
-      console.log('For more information see https://github.com/iurimatias/ethersim');
-      process.exit(1);
+  .option('--testrpc', 'use testrpc as the rpc simulator [default]')
+  .option('--ethersim', 'use ethersim as the rpc simulator')
+  .action(function(options) {
+    var Sim;
+
+    if (options.ethersim) {
+      try {
+        Sim = require('ethersim');
+      } catch(e) {
+        console.log('EtherSim not found; Please install it with "npm install ethersim --save"');
+        console.log('For more information see https://github.com/iurimatias/ethersim');
+        process.exit(1);
+      }
+      Sim.startServer();
+    }
+    else {
+      try {
+        Sim = require('ethereumjs-testrpc');
+      } catch(e) {
+        console.log('TestRPC not found; Please install it with "npm install -g ethereumjs-testrpc');
+        console.log('For more information see https://github.com/ethereumjs/testrpc');
+        process.exit(1);
+      }
+      exec('testrpc');
     }
-    EtherSim.startServer();
   });
 };