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-rw-r--r--src/contract_wrappers/proxy_wrapper.ts36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/contract_wrappers/proxy_wrapper.ts b/src/contract_wrappers/proxy_wrapper.ts
new file mode 100644
index 000000000..18c6fdd23
--- /dev/null
+++ b/src/contract_wrappers/proxy_wrapper.ts
@@ -0,0 +1,36 @@
+import * as _ from 'lodash';
+import {Web3Wrapper} from '../web3_wrapper';
+import {ContractWrapper} from './contract_wrapper';
+import * as ProxyArtifacts from '../artifacts/Proxy.json';
+import {ProxyContract} from '../types';
+
+/**
+ * This class includes the functionality related to interacting with Proxy contract.
+ */
+export class ProxyWrapper extends ContractWrapper {
+ private _proxyContractIfExists?: ProxyContract;
+ constructor(web3Wrapper: Web3Wrapper) {
+ super(web3Wrapper);
+ }
+ public invalidateContractInstance(): void {
+ delete this._proxyContractIfExists;
+ }
+ /**
+ * Check if the Exchange contract address is authorized within the Proxy contract.
+ * @param exchangeContractAddress The hex encoded address of the Exchange contract to use.
+ * @return If the exchangeContractAddress is authorized.
+ */
+ public async isAuthorizedAsync(exchangeContractAddress: string): Promise<boolean> {
+ const proxyContractInstance = await this._getTokenRegistryContractAsync();
+ const isAuthorized = await proxyContractInstance.authrized.call(exchangeContractAddress);
+ return isAuthorized;
+ }
+ private async _getTokenRegistryContractAsync(): Promise<ProxyContract> {
+ if (!_.isUndefined(this._proxyContractIfExists)) {
+ return this._proxyContractIfExists;
+ }
+ const contractInstance = await this._instantiateContractIfExistsAsync((ProxyArtifacts as any));
+ this._proxyContractIfExists = contractInstance as ProxyContract;
+ return this._proxyContractIfExists;
+ }
+}