Add OrThrow suffix to getContractAddressesForNetwork

2 files changed, 6 insertions, 4 deletions

diff --git a/packages/contract-addresses/README.md b/packages/contract-addresses/README.md
index 62c062d26..6c615c422 100644
--- a/packages/contract-addresses/README.md
+++ b/packages/contract-addresses/README.md
@@ -12,13 +12,14 @@ yarn add @0xproject/contract-addresses
 **Import**
 
 ```typescript
-import { getContractAddressesForNetwork } from '@0xproject/contract-addresses';
+import { getContractAddressesForNetworkOrThrow } from '@0xproject/contract-addresses';
 ```
 
 or
 
 ```javascript
-var getContractAddressesForNetwork = require('@0xproject/contract-addresses').getContractAddressesForNetwork;
+var getContractAddressesForNetworkOrThrow = require('@0xproject/contract-addresses')
+    .getContractAddressesForNetworkOrThrow;
 ```
 
 ## Contributing
diff --git a/packages/contract-addresses/src/index.ts b/packages/contract-addresses/src/index.ts
index 80e88c8f9..1ea8c61dd 100644
--- a/packages/contract-addresses/src/index.ts
+++ b/packages/contract-addresses/src/index.ts
@@ -52,12 +52,13 @@ const networkToAddresses: { [networkId: number]: ContractAddresses } = {
 
 /**
  * Used to get addresses of contracts that have been deployed to either the
- * Ethereum mainnet or a supported testnet.
+ * Ethereum mainnet or a supported testnet. Throws if there are no known
+ * contracts deployed on the corresponding network.
  * @param networkId The desired networkId.
  * @returns The set of addresses for contracts which have been deployed on the
  * given networkId.
  */
-export function getContractAddressesForNetwork(networkId: NetworkId): ContractAddresses {
+export function getContractAddressesForNetworkOrThrow(networkId: NetworkId): ContractAddresses {
     if (_.isUndefined(networkToAddresses[networkId])) {
         throw new Error(`Unknown network id (${networkId}). No known 0x contracts have been deployed on this network.`);
     }