@0x:contracts-integrations Removed the dependency on number_utils from staking

contracts/integrations/package.json

@@ -59,7 +59,6 @@
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^3.0.0",
-        "decimal.js": "^10.2.0",
         "dirty-chai": "^2.0.1",
         "make-promises-safe": "^1.1.0",
         "mocha": "^6.2.0",

contracts/integrations/test/internal-integration-tests/exchange_wrapper_test.ts

@@ -8,7 +8,7 @@ import {
     LocalBalanceStore,
 } from '@0x/contracts-exchange';
 import { ReferenceFunctions } from '@0x/contracts-exchange-libs';
-import { artifacts as stakingArtifacts, toBaseUnitAmount } from '@0x/contracts-staking';
+import { artifacts as stakingArtifacts } from '@0x/contracts-staking';
 import {
     blockchainTests,
     constants,
@@ -16,6 +16,7 @@ import {
     expect,
     getLatestBlockTimestampAsync,
     Numberish,
+    toBaseUnitAmount,
     TransactionHelper,
     verifyEvents,
 } from '@0x/contracts-test-utils';

contracts/staking/src/index.ts

@@ -2,4 +2,3 @@ export * from './wrappers';
 export * from './artifacts';
 export { constants } from '../test/utils/constants';
 export * from '../test/utils/types';
-export * from '../test/utils/number_utils';