1 files changed, 32 insertions, 1 deletions
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 9cf9bc7af..7b53b52c4 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -1,4 +1,4 @@
-import { BigNumber } from '@0xproject/utils';
+import { BigNumber } from 'bignumber.js';
 import * as Web3 from 'web3';
 
 export interface TxData {
@@ -25,3 +25,34 @@ export interface TransactionReceipt {
     contractAddress: string | null;
     logs: Web3.LogEntry[];
 }
+
+export interface JSONRPCPayload {
+    params: any[];
+    method: string;
+}
+
+export enum AbiType {
+    Function = 'function',
+    Constructor = 'constructor',
+    Event = 'event',
+    Fallback = 'fallback',
+}
+
+export type ContractEventArg = string | BigNumber;
+
+export interface DecodedLogArgs {
+    [argName: string]: ContractEventArg;
+}
+
+export interface LogWithDecodedArgs<ArgsType> extends Web3.DecodedLogEntry<ArgsType> {}
+export type RawLog = Web3.LogEntry;
+export enum SolidityTypes {
+    Address = 'address',
+    Uint256 = 'uint256',
+    Uint8 = 'uint8',
+    Uint = 'uint',
+}
+
+export interface TransactionReceiptWithDecodedLogs extends TransactionReceipt {
+    logs: Array<LogWithDecodedArgs<DecodedLogArgs> | Web3.LogEntry>;
+}