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packages/order-watcher/test/utils/migrate.ts

@@ -4,6 +4,11 @@ import { ContractAddresses } from '@0xproject/types';
 
 import { provider } from './web3_wrapper';
 
+/**
+ * Configures and runs the migrations exactly once. Any subsequent times this is
+ * called, it returns the cached addresses.
+ * @returns The addresses of contracts that were deployed during the migrations.
+ */
 export async function migrateOnceAsync(): Promise<ContractAddresses> {
     const txDefaults = {
         gas: devConstants.GAS_LIMIT,