docker-compose

.env.example

@@ -2,5 +2,3 @@ NET_ID=42
 RPC_URL=https://kovan.infura.io/v3/a3f4d001c1fc4a359ea70dd27fd9cb51
 PRIVATE_KEY=
 MIXER_ADDRESS=0x30AF2e92263C5387A8A689322BbfE60b6B0855C4
-DEFAULT_GAS_PRICE=1
-GAS_ORACLE_URLS=https://www.etherchain.org/api/gasPriceOracle https://gasprice.poa.network/

README.md

@@ -4,11 +4,14 @@
 2. `cp .env.example .env`
 3. Modify `.env` as needed
 
-## Run
+## Run localy
 1. `npm run start`
 2. `curl -X POST -H 'content-type:application/json' --data '<PROOF>' http://127.0.0.1:8000/relay`
 Relayer should return a transaction hash.
 
+## Run in Docker 
+1. `docker-compose up -d`
+
 ## Proof example
 ```json
 {

config.js

@@ -5,6 +5,6 @@ module.exports = {
   rpcUrl: process.env.RPC_URL || 'https://kovan.infura.io/v3/a3f4d001c1fc4a359ea70dd27fd9cb51',
   privateKey: process.env.PRIVATE_KEY,
   mixerAddress: process.env.MIXER_ADDRESS || '0x30AF2e92263C5387A8A689322BbfE60b6B0855C4',
-  defaultGasPrice: process.env.DEFAULT_GAS_PRICE || 1,
-  gasOracleUrls: process.env.GAS_ORACLE_URLS ? process.env.GAS_ORACLE_URLS.split(' ') : ['https://www.etherchain.org/api/gasPriceOracle', 'https://gasprice.poa.network/']
+  defaultGasPrice: 1,
+  gasOracleUrls: ['https://www.etherchain.org/api/gasPriceOracle', 'https://gasprice.poa.network/']
 }

docker-compose.yml

@@ -0,0 +1,12 @@
+version: '2'
+
+services:
+  relayer:
+    image: relayer
+    build: ./
+    restart: always
+    ports:
+      - 8000:8000
+    environment:
+      - NODE_ENV=production
+    env_file: ./.env

index.js

@@ -1,13 +1,13 @@
-const { fetchGasPrice, isValidProof } = require('./utils')
 const { numberToHex, toWei, toHex } = require('web3-utils')
-
+const Web3 = require('web3')
 const express = require('express')
+
 const app = express()
 app.use(express.json())
 
 const { netId, rpcUrl, privateKey, mixerAddress, defaultGasPrice } = require('./config')
+const { fetchGasPrice, isValidProof } = require('./utils')
 
-const Web3 = require('web3')
 const web3 = new Web3(rpcUrl, null, { transactionConfirmationBlocks: 1 })
 const account = web3.eth.accounts.privateKeyToAccount('0x' + privateKey)
 web3.eth.accounts.wallet.add('0x' + privateKey)