From f2b9b1f371c11e56d32cd3e3cbca25811f105168 Mon Sep 17 00:00:00 2001
From: Nikita Chebykin <nikita@chebyk.in>
Date: Sat, 11 Jul 2020 14:58:40 +0200
Subject: [PATCH] Add a port number as an optional config value

---
 src/config.ts         | 1 +
 src/ganache-server.ts | 2 +-
 src/setup-ganache.ts  | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/config.ts b/src/config.ts
index ef152e2..b814b41 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -24,6 +24,7 @@ export type Config = {
     allowUnlimitedContractSize?: boolean;
     // {url:port@blocknumber} for example http://localhost:8545@1599200
     fork?: string;
+    port?: number;
     unlocked_accounts?: string[];
   };
 };
diff --git a/src/ganache-server.ts b/src/ganache-server.ts
index b9fd6cc..2d74f78 100644
--- a/src/ganache-server.ts
+++ b/src/ganache-server.ts
@@ -29,7 +29,7 @@ process.once('message', (options: NodeOptions) => {
   // processes of test-environment may be run in parallel.
   // It also means however that the port (and therefore host URL) is not
   // available until the server finishes initialization.
-  server.listen(undefined, function (err: unknown) {
+  server.listen(options.port, function (err: unknown) {
     if (err) {
       send({ type: 'error' });
     } else {
diff --git a/src/setup-ganache.ts b/src/setup-ganache.ts
index 26458b0..3e46a76 100644
--- a/src/setup-ganache.ts
+++ b/src/setup-ganache.ts
@@ -27,6 +27,7 @@ export type NodeOptions = {
   gasLimit?: number;
   allowUnlimitedContractSize?: boolean;
   fork?: string;
+  port?: number;
   unlocked_accounts?: string[];
 };