1 files changed, 12 insertions, 22 deletions
diff --git a/packages/order-utils/src/types.ts b/packages/order-utils/src/types.ts
index b08e74e71..1fbd8cf7b 100644
--- a/packages/order-utils/src/types.ts
+++ b/packages/order-utils/src/types.ts
@@ -1,29 +1,9 @@
+import { BigNumber } from '@0xproject/utils';
+
 export enum OrderError {
     InvalidSignature = 'INVALID_SIGNATURE',
 }
 
-/**
- * The requisite message prefix (is any) to add to an `eth_sign` request.
- */
-export enum MessagePrefixType {
-    None = 'NONE',
-    EthSign = 'ETH_SIGN',
-    Trezor = 'TREZOR',
-}
-
-/**
- * Options related to message prefixing of messages sent to `eth_sign`
- * Some signers prepend a message prefix (e.g Parity Signer, Ledger, TestRPC), while
- * others require it already be prepended (e.g Metamask). In addition, different signers
- * expect slightly different prefixes (See: https://github.com/ethereum/go-ethereum/issues/14794).
- * Depending on the signer that will receive your signing request, you must specify the
- * desired prefix and whether it should be added before making the `eth_sign` request.
- */
-export interface MessagePrefixOpts {
-    prefixType: MessagePrefixType;
-    shouldAddPrefixBeforeCallingEthSign: boolean;
-}
-
 export enum TradeSide {
     Maker = 'maker',
     Taker = 'taker',
@@ -51,3 +31,13 @@ export enum EIP712Types {
     String = 'string',
     Uint256 = 'uint256',
 }
+
+export interface CreateOrderOpts {
+    takerAddress?: string;
+    senderAddress?: string;
+    makerFee?: BigNumber;
+    takerFee?: BigNumber;
+    feeRecipientAddress?: string;
+    salt?: BigNumber;
+    expirationTimeSeconds?: BigNumber;
+}