Use dotenv to give default configuration options

To use dotenv, copy .env.default to .env

Author: majecty

ibc.ts/.env.default

@@ -0,0 +1,6 @@
+CHAIN_A_RPC_URL="http://localhost:8080"
+CHAIN_A_NETWORK_ID="tc"
+CHAIN_A_FAUCET_ADDRESS="tccqym6znlgc48qeelrzccehkcaut7yz39wwq96q3y7"
+CHAIN_B_RPC_URL="http://localhost:8081"
+CHAIN_B_NETWORK_ID="fc"
+CHAIN_B_FAUCET_ADDRESS="fccqyd6clszl2aeq4agrk8sgq8whkty6ktljuemc9y3"

ibc.ts/.gitignore

@@ -2,3 +2,4 @@ node_modules/
 yarn-error.log
 yarn.lock
 build/
+.env

ibc.ts/package.json

@@ -20,6 +20,7 @@
     "codechain-primitives": "^1.0.4",
     "codechain-sdk": "^2.0.1",
     "debug": "^4.1.1",
+    "dotenv": "^8.2.0",
     "rlp": "^2.0.0"
   }
 }

ibc.ts/src/relayer/index.ts

@@ -5,6 +5,8 @@ import { delay } from "../common/util";
 import { getConfig } from "./config";
 import { PlatformAddress } from "codechain-primitives/lib";
 
+require("dotenv").config();
+
 const debug = Debug("relayer:main");
 
 async function main() {