From cc05feee3f5dfb5eed71b763a61276cb4faec19c Mon Sep 17 00:00:00 2001
From: Eric Meyer <emeyer@8thlight.com>
Date: Mon, 23 Oct 2017 14:33:08 -0500
Subject: [PATCH] Pass in IPC path as command line argument

---
 core/geth_blockchain.go | 6 +++---
 main.go                 | 6 +++++-
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/core/geth_blockchain.go b/core/geth_blockchain.go
index b7df9d94..305e723b 100644
--- a/core/geth_blockchain.go
+++ b/core/geth_blockchain.go
@@ -13,10 +13,10 @@ type GethBlockchain struct {
 	observers []BlockchainObserver
 }
 
-func NewGethBlockchain() *GethBlockchain {
-	fmt.Println("Creating Geth Blockchain")
+func NewGethBlockchain(ipcPath string) *GethBlockchain {
+	fmt.Printf("Creating Geth Blockchain to: %s\n", ipcPath)
 	blockchain := GethBlockchain{}
-	client, _ := ethclient.Dial("/var/folders/b3/z7fhy7cs06q8d7y3_pwwt4x40000gn/T/ethereum_dev_mode/geth.ipc")
+	client, _ := ethclient.Dial(ipcPath)
 	// TODO: handle error gracefully
 	blockchain.client = client
 	return &blockchain
diff --git a/main.go b/main.go
index ee24ef17..20a6d2cc 100644
--- a/main.go
+++ b/main.go
@@ -1,11 +1,15 @@
 package main
 
 import (
+	"flag"
 	"github.com/8thlight/vulcanizedb/core"
 )
 
 func main() {
-	var blockchain core.Blockchain = core.NewGethBlockchain()
+	ipcPath := flag.String("ipcPath", "", "location geth.ipc")
+	flag.Parse()
+
+	var blockchain core.Blockchain = core.NewGethBlockchain(*ipcPath)
 	blockchain.RegisterObserver(core.BlockchainLoggingObserver{})
 	blockchain.SubscribeToEvents()
 }