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-rw-r--r--packages/0x.js/src/contract_wrappers/contract_wrapper.ts12
1 files changed, 12 insertions, 0 deletions
diff --git a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
index 522b40d52..395d974b2 100644
--- a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
@@ -96,6 +96,18 @@ export class ContractWrapper {
await this._web3Wrapper.getContractInstanceFromArtifactAsync<ContractType>(artifact, addressIfExists);
return contractInstance;
}
+ protected _getContractAddress(artifact: Artifact, addressIfExists?: string): string {
+ if (_.isUndefined(addressIfExists)) {
+ const networkId = this._web3Wrapper.getNetworkId();
+ const contractAddress = artifact.networks[networkId].address;
+ if (_.isUndefined(contractAddress)) {
+ throw new Error(ZeroExError.ExchangeContractDoesNotExist);
+ }
+ return contractAddress;
+ } else {
+ return addressIfExists;
+ }
+ }
private _onLogStateChanged<ArgsType extends ContractEventArgs>(isRemoved: boolean, log: Web3.LogEntry): void {
_.forEach(this._filters, (filter: Web3.FilterObject, filterToken: string) => {
if (filterUtils.matchesFilter(log, filter)) {