Add TokenMetadata type

2 files changed, 5 insertions, 2 deletions

diff --git a/src/contract_wrappers/token_registry_wrapper.ts b/src/contract_wrappers/token_registry_wrapper.ts
index 431b0303d..8dd79171e 100644
--- a/src/contract_wrappers/token_registry_wrapper.ts
+++ b/src/contract_wrappers/token_registry_wrapper.ts
@@ -1,6 +1,6 @@
 import * as _ from 'lodash';
 import {Web3Wrapper} from '../web3_wrapper';
-import {Token, TokenRegistryContract} from '../types';
+import {Token, TokenRegistryContract, TokenMetadata} from '../types';
 import {assert} from '../utils/assert';
 import {ContractWrapper} from './contract_wrapper';
 import * as TokenRegistryArtifacts from '../artifacts/TokenRegistry.json';
@@ -14,7 +14,7 @@ export class TokenRegistryWrapper extends ContractWrapper {
         const tokenRegistryContract = contractInstance as TokenRegistryContract;
 
         const addresses = await tokenRegistryContract.getTokenAddresses.call();
-        const tokenMetadataPromises: Array<Promise<any[]>> = _.map(
+        const tokenMetadataPromises: Array<Promise<TokenMetadata>> = _.map(
             addresses,
             (address: string) => (tokenRegistryContract.getTokenMetaData.call(address)),
         );
diff --git a/src/types.ts b/src/types.ts
index 273389480..57ffcd44b 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -41,6 +41,9 @@ export const SolidityTypes = strEnum([
 ]);
 export type SolidityTypes = keyof typeof SolidityTypes;
 
+//                          [address, name, symbol, projectUrl, decimals, ipfsHash, swarmHash]
+export type TokenMetadata = [string, string, string, string, BigNumber.BigNumber, string, string];
+
 export interface Token {
     name: string;
     address: string;