feat: configuration via env

Author: nicosantangelo

src/configuration.ts

@@ -1,28 +1,31 @@
 import { ChainId, ProviderType } from './types'
 
-const configuration = Object.freeze({
-  storageKey: 'some-random-key',
+export function getConfiguration() {
+  return {
+    storageKey: getEnv('STORAGE_KEY'),
 
-  [ProviderType.INJECTED]: {},
-  [ProviderType.FORTMATIC]: {
-    apiKeys: {
-      [ChainId.MAINNET]: 'pk_live_D7297F51E9776DD2',
-      [ChainId.ROPSTEN]: 'pk_test_198DDD3CA646DE2F',
-      [ChainId.RINKEBY]: 'pk_test_198DDD3CA646DE2F',
-      [ChainId.KOVAN]: 'pk_test_198DDD3CA646DE2F'
-    }
-  },
-  [ProviderType.WALLET_CONNECT]: {
-    bridge: 'https://bridge.walletconnect.org',
-    urls: {
-      [ChainId.MAINNET]: 'https://',
-      [ChainId.ROPSTEN]: 'https://',
-      [ChainId.RINKEBY]: 'https://',
-      [ChainId.KOVAN]: 'https://'
+    [ProviderType.INJECTED]: {},
+
+    [ProviderType.FORTMATIC]: {
+      apiKeys: {
+        [ChainId.MAINNET]: getEnv('FORTMATIC_LIVE_KEY'),
+        [ChainId.ROPSTEN]: getEnv('FORTMATIC_TEST_KEY'),
+        [ChainId.RINKEBY]: getEnv('FORTMATIC_TEST_KEY'),
+        [ChainId.KOVAN]: getEnv('FORTMATIC_TEST_KEY')
+      }
+    },
+
+    [ProviderType.WALLET_CONNECT]: {
+      urls: {
+        [ChainId.MAINNET]: getEnv('WALLET_CONNECT_LIVE_RPC'),
+        [ChainId.ROPSTEN]: getEnv('WALLET_CONNECT_TEST_RPC'),
+        [ChainId.RINKEBY]: getEnv('WALLET_CONNECT_TEST_RPC'),
+        [ChainId.KOVAN]: getEnv('WALLET_CONNECT_TEST_RPC')
+      }
     }
   }
-})
+}
 
-export function getConfiguration() {
-  return configuration
+function getEnv(key: string): string {
+  return process.env[key] || ''
 }

src/connectors/WalletConnectConnector.ts

@@ -4,11 +4,10 @@ import { ChainId, ProviderType } from '../types'
 
 export class WalletConnectConnector extends BaseWalletConnectConnector {
   constructor(chainId: ChainId) {
-    const { bridge, urls } = getConfiguration()[ProviderType.WALLET_CONNECT]
+    const { urls } = getConfiguration()[ProviderType.WALLET_CONNECT]
 
     super({
       rpc: { [chainId]: urls[chainId] },
-      bridge,
       qrcode: true,
       pollingInterval: 15000
     })

test/configuration.spec.ts

@@ -1,7 +1,45 @@
 import { expect } from 'chai'
+import { getConfiguration } from '../src/configuration'
+import { ChainId, ProviderType } from '../src/types'
 
-describe('test', () => {
-  it('passes', () => {
-    expect(true).to.eq(true)
+describe('#getConfiguration', () => {
+  let env: NodeJS.ProcessEnv = process.env
+
+  after(() => {
+    process.env = env
+  })
+
+  it('should return the configuration using the environment', () => {
+    process.env = {
+      STORAGE_KEY: 'storage-key',
+
+      FORTMATIC_TEST_KEY: 'pk_test_198DDD3CA646DE2F',
+      FORTMATIC_LIVE_KEY: 'pk_live_D7297F51E9776DD2',
+
+      WALLET_CONNECT_TEST_RPC: 'https://ropsten.mycustomnode.com',
+      WALLET_CONNECT_LIVE_RPC: 'https://mainnet.mycustomnode.com'
+    }
+
+    expect(getConfiguration()).to.deep.eq({
+      storageKey: 'storage-key',
+
+      [ProviderType.INJECTED]: {},
+      [ProviderType.FORTMATIC]: {
+        apiKeys: {
+          [ChainId.MAINNET]: 'pk_live_D7297F51E9776DD2',
+          [ChainId.ROPSTEN]: 'pk_test_198DDD3CA646DE2F',
+          [ChainId.RINKEBY]: 'pk_test_198DDD3CA646DE2F',
+          [ChainId.KOVAN]: 'pk_test_198DDD3CA646DE2F'
+        }
+      },
+      [ProviderType.WALLET_CONNECT]: {
+        urls: {
+          [ChainId.MAINNET]: 'https://mainnet.mycustomnode.com',
+          [ChainId.ROPSTEN]: 'https://ropsten.mycustomnode.com',
+          [ChainId.RINKEBY]: 'https://ropsten.mycustomnode.com',
+          [ChainId.KOVAN]: 'https://ropsten.mycustomnode.com'
+        }
+      }
+    })
   })
 })