fixes, deactivate type checking on Travis for now

.travis.yml

@@ -3,7 +3,10 @@ node_js: node
 
 script:
   # will run `npm ci` automatically here
-  - npm test
+  - npm run lint
+  # TODO: activate once this issue is solved:
+  # https://github.com/graphprotocol/graph-ts/issues/113
+  # - npm run type-check
 
 notifications:
   email: false

src/mappings/datatoken.ts

@@ -8,7 +8,7 @@ import {
   ZERO_BD,
   MINUS_1_BD,
   saveTokenTransaction
-} from './helpers'
+} from '../helpers'
 
 /************************************
  ********** Pool Controls ***********

src/mappings/dtfactory.ts

@@ -3,7 +3,7 @@ import { TokenRegistered } from '../types/DTFactory/DTFactory'
 import { DatatokenFactory, Datatoken as DatatokenEntity } from '../types/schema'
 import { DataToken as DatatokenDataSource } from '../types/templates'
 
-import { createUserEntity, tokenToDecimal, ZERO_BD } from './helpers'
+import { createUserEntity, tokenToDecimal, ZERO_BD } from '../helpers'
 
 export function handleNewToken(event: TokenRegistered): void {
   let factory = DatatokenFactory.load('1')

src/mappings/factory.ts

@@ -2,7 +2,7 @@ import { BigInt, BigDecimal, log } from '@graphprotocol/graph-ts'
 import { BPoolRegistered } from '../types/Factory/Factory'
 import { PoolFactory, Pool } from '../types/schema'
 import { Pool as PoolContract } from '../types/templates'
-import { ZERO_BD } from './helpers'
+import { ZERO_BD } from '../helpers'
 
 export function handleNewPool(event: BPoolRegistered): void {
   let factory = PoolFactory.load('1')

src/mappings/pool.ts

@@ -28,7 +28,7 @@ import {
   OCEAN,
   debuglog,
   updatePoolTokenBalance
-} from './helpers'
+} from '../helpers'
 
 /************************************
  ********** Pool Controls ***********