From c83dec22c9e70cec2b75c9e5051f37124baa2761 Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Wed, 10 Oct 2018 16:52:35 -0700 Subject: Improve error handling for unknown network ids in contract-wrappers --- packages/contract-wrappers/src/utils/contract_addresses.ts | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 packages/contract-wrappers/src/utils/contract_addresses.ts (limited to 'packages/contract-wrappers/src/utils') diff --git a/packages/contract-wrappers/src/utils/contract_addresses.ts b/packages/contract-wrappers/src/utils/contract_addresses.ts new file mode 100644 index 000000000..c32907c24 --- /dev/null +++ b/packages/contract-wrappers/src/utils/contract_addresses.ts @@ -0,0 +1,13 @@ +import { ContractAddresses, getContractAddressesForNetwork, NetworkId } from '@0xproject/contract-addresses'; +import * as _ from 'lodash'; + +// Returns the default contract addresses for the given networkId or throws with +// a context-specific error message if the networkId is not recognized. +export function _getDefaultContractAddresses(networkId: number): ContractAddresses { + if (!(networkId in NetworkId)) { + throw new Error( + `No default contract addresses found for the given network id (${networkId}). If you want to use ContractWrappers on this network, you must manually pass in the contract address(es) to the constructor.`, + ); + } + return getContractAddressesForNetwork(networkId); +} -- cgit v1.2.3