feat(Condition): add testnet condition

src/conditions/index.js

@@ -55,3 +55,8 @@ exports.isInCountryBlacklist = (feature) => Condition.of((env) => {
 
   return passedWithReason(passed, 'in_country_blacklist')
 })
+
+exports.isUsingTestnet = Condition.of((env) => {
+  let options = env.get(Env.WALLET_OPTIONS)
+  return passedWithReason(options.network === 'testnet', 'using_testnet')
+})

tests/conditions/index.spec.js

@@ -102,6 +102,22 @@ describe('conditions', () => {
     })
   })
 
+  describe('.isUsingTestnet', () => {
+    it('should pass when the user is using testnet', () => {
+      let env = makeEnv(null, { network: 'testnet' }, null)
+      let result = conditions.isUsingTestnet.test(env)
+      expect(result.passed).toEqual(true)
+      expect(result.reason).toEqual(['using_testnet'])
+    })
+
+    it('should fail when the user is using mainnet', () => {
+      let env = makeEnv(null, { network: 'bitcoin' }, null)
+      let result = conditions.isUsingTestnet.test(env)
+      expect(result.passed).toEqual(false)
+      expect(result.reason).toEqual(['not_using_testnet'])
+    })
+  })
+
   describe('composite', () => {
     let makeAccountInfo = (countryCodeGuess, stateCodeGuess) =>
       ({ countryCodeGuess, stateCodeGuess })