11 files changed, 30 insertions, 57 deletions
diff --git a/packages/0x.js/src/0x.ts b/packages/0x.js/src/0x.ts
index 22a5fee10..09da4b046 100644
--- a/packages/0x.js/src/0x.ts
+++ b/packages/0x.js/src/0x.ts
@@ -1,5 +1,5 @@
 import { schemas, SchemaValidator } from '@0xproject/json-schemas';
-import { TransactionReceiptWithDecodedLogs } from '@0xproject/types';
+import { ECSignature, Order, SignedOrder, TransactionReceiptWithDecodedLogs } from '@0xproject/types';
 import { AbiDecoder, BigNumber, intervalUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as ethUtil from 'ethereumjs-util';
@@ -15,7 +15,7 @@ import { OrderStateWatcher } from './order_watcher/order_state_watcher';
 import { zeroExConfigSchema } from './schemas/zero_ex_config_schema';
 import { zeroExPrivateNetworkConfigSchema } from './schemas/zero_ex_private_network_config_schema';
 import { zeroExPublicNetworkConfigSchema } from './schemas/zero_ex_public_network_config_schema';
-import { ECSignature, Order, SignedOrder, Web3Provider, ZeroExConfig, ZeroExError } from './types';
+import { Web3Provider, ZeroExConfig, ZeroExError } from './types';
 import { assert } from './utils/assert';
 import { constants } from './utils/constants';
 import { decorators } from './utils/decorators';
diff --git a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
index 20b46c6bc..6414985e6 100644
--- a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
@@ -1,5 +1,12 @@
 import { schemas } from '@0xproject/json-schemas';
-import { BlockParamLiteral, DecodedLogArgs, LogWithDecodedArgs } from '@0xproject/types';
+import {
+    BlockParamLiteral,
+    DecodedLogArgs,
+    ECSignature,
+    LogWithDecodedArgs,
+    Order,
+    SignedOrder,
+} from '@0xproject/types';
 import { AbiDecoder, BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
@@ -8,19 +15,16 @@ import * as Web3 from 'web3';
 import { artifacts } from '../artifacts';
 import {
     BlockRange,
-    ECSignature,
     EventCallback,
     ExchangeContractErrCodes,
     ExchangeContractErrs,
     IndexedFilterValues,
     MethodOpts,
-    Order,
     OrderAddresses,
     OrderCancellationRequest,
     OrderFillRequest,
     OrderTransactionOpts,
     OrderValues,
-    SignedOrder,
     ValidateOrderFillableOpts,
 } from '../types';
 import { assert } from '../utils/assert';
diff --git a/packages/0x.js/src/index.ts b/packages/0x.js/src/index.ts
index 9879bbb56..7885fb82a 100644
--- a/packages/0x.js/src/index.ts
+++ b/packages/0x.js/src/index.ts
@@ -1,9 +1,6 @@
 export { ZeroEx } from './0x';
 
 export {
-    Order,
-    SignedOrder,
-    ECSignature,
     ZeroExError,
     EventCallback,
     ExchangeContractErrs,
@@ -34,6 +31,9 @@ export {
     BlockParam,
     ContractEventArg,
     LogWithDecodedArgs,
+    Order,
+    SignedOrder,
+    ECSignature,
     TransactionReceipt,
     TransactionReceiptWithDecodedLogs,
 } from '@0xproject/types';
diff --git a/packages/0x.js/src/order_watcher/order_state_watcher.ts b/packages/0x.js/src/order_watcher/order_state_watcher.ts
index e489dd5cc..f7515e59e 100644
--- a/packages/0x.js/src/order_watcher/order_state_watcher.ts
+++ b/packages/0x.js/src/order_watcher/order_state_watcher.ts
@@ -1,5 +1,5 @@
 import { schemas } from '@0xproject/json-schemas';
-import { BlockParamLiteral, LogWithDecodedArgs } from '@0xproject/types';
+import { BlockParamLiteral, LogWithDecodedArgs, SignedOrder } from '@0xproject/types';
 import { AbiDecoder, intervalUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
@@ -31,7 +31,6 @@ import {
     OnOrderStateChangeCallback,
     OrderState,
     OrderStateWatcherConfig,
-    SignedOrder,
     ZeroExError,
 } from '../types';
 import { assert } from '../utils/assert';
diff --git a/packages/0x.js/src/order_watcher/remaining_fillable_calculator.ts b/packages/0x.js/src/order_watcher/remaining_fillable_calculator.ts
index 20b09d606..184c13aa4 100644
--- a/packages/0x.js/src/order_watcher/remaining_fillable_calculator.ts
+++ b/packages/0x.js/src/order_watcher/remaining_fillable_calculator.ts
@@ -1,7 +1,6 @@
+import { SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 
-import { SignedOrder } from '../types';
-
 export class RemainingFillableCalculator {
     private _signedOrder: SignedOrder;
     private _isMakerTokenZRX: boolean;
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 2f17e30c2..65342b694 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -1,6 +1,13 @@
 import { BigNumber } from '@0xproject/utils';
 
-import { BlockParam, BlockParamLiteral, ContractEventArg, LogWithDecodedArgs } from '@0xproject/types';
+import {
+    BlockParam,
+    BlockParamLiteral,
+    ContractEventArg,
+    LogWithDecodedArgs,
+    Order,
+    SignedOrder,
+} from '@0xproject/types';
 
 import * as Web3 from 'web3';
 
@@ -37,15 +44,6 @@ export enum InternalZeroExError {
     WethNotInTokenRegistry = 'WETH_NOT_IN_TOKEN_REGISTRY',
 }
 
-/**
- * Elliptic Curve signature
- */
-export interface ECSignature {
-    v: number;
-    r: string;
-    s: string;
-}
-
 export type OrderAddresses = [string, string, string, string, string];
 
 export type OrderValues = [BigNumber, BigNumber, BigNumber, BigNumber, BigNumber, BigNumber];
@@ -107,25 +105,6 @@ export interface ContractEvent {
 
 export type ContractEventArgs = ExchangeContractEventArgs | TokenContractEventArgs | EtherTokenContractEventArgs;
 
-export interface Order {
-    maker: string;
-    taker: string;
-    makerFee: BigNumber;
-    takerFee: BigNumber;
-    makerTokenAmount: BigNumber;
-    takerTokenAmount: BigNumber;
-    makerTokenAddress: string;
-    takerTokenAddress: string;
-    salt: BigNumber;
-    exchangeContractAddress: string;
-    feeRecipient: string;
-    expirationUnixTimestampSec: BigNumber;
-}
-
-export interface SignedOrder extends Order {
-    ecSignature: ECSignature;
-}
-
 //                          [address, name, symbol, decimals, ipfsHash, swarmHash]
 export type TokenMetadata = [string, string, string, number, string, string];
 
diff --git a/packages/0x.js/src/utils/assert.ts b/packages/0x.js/src/utils/assert.ts
index c21f2dbca..5e8004cd0 100644
--- a/packages/0x.js/src/utils/assert.ts
+++ b/packages/0x.js/src/utils/assert.ts
@@ -3,11 +3,11 @@ import { assert as sharedAssert } from '@0xproject/assert';
 // tslint:disable-next-line:no-unused-variable
 import { Schema } from '@0xproject/json-schemas';
 // tslint:disable-next-line:no-unused-variable
+import { ECSignature } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 
-import { ECSignature } from '../types';
 import { signatureUtils } from '../utils/signature_utils';
 
 export const assert = {
diff --git a/packages/0x.js/src/utils/order_state_utils.ts b/packages/0x.js/src/utils/order_state_utils.ts
index b7a55ff42..38189443b 100644
--- a/packages/0x.js/src/utils/order_state_utils.ts
+++ b/packages/0x.js/src/utils/order_state_utils.ts
@@ -1,3 +1,4 @@
+import { SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 
@@ -6,14 +7,7 @@ import { ExchangeWrapper } from '../contract_wrappers/exchange_wrapper';
 import { RemainingFillableCalculator } from '../order_watcher/remaining_fillable_calculator';
 import { BalanceAndProxyAllowanceLazyStore } from '../stores/balance_proxy_allowance_lazy_store';
 import { OrderFilledCancelledLazyStore } from '../stores/order_filled_cancelled_lazy_store';
-import {
-    ExchangeContractErrs,
-    OrderRelevantState,
-    OrderState,
-    OrderStateInvalid,
-    OrderStateValid,
-    SignedOrder,
-} from '../types';
+import { ExchangeContractErrs, OrderRelevantState, OrderState, OrderStateInvalid, OrderStateValid } from '../types';
 
 const ACCEPTABLE_RELATIVE_ROUNDING_ERROR = 0.0001;
 
diff --git a/packages/0x.js/src/utils/order_validation_utils.ts b/packages/0x.js/src/utils/order_validation_utils.ts
index 917d414c8..f32bf43d0 100644
--- a/packages/0x.js/src/utils/order_validation_utils.ts
+++ b/packages/0x.js/src/utils/order_validation_utils.ts
@@ -1,9 +1,10 @@
+import { Order, SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 
 import { ZeroEx } from '../0x';
 import { ExchangeWrapper } from '../contract_wrappers/exchange_wrapper';
-import { ExchangeContractErrs, Order, SignedOrder, TradeSide, TransferType, ZeroExError } from '../types';
+import { ExchangeContractErrs, TradeSide, TransferType, ZeroExError } from '../types';
 import { constants } from '../utils/constants';
 import { utils } from '../utils/utils';
 
diff --git a/packages/0x.js/src/utils/signature_utils.ts b/packages/0x.js/src/utils/signature_utils.ts
index b0f1d61ef..46f167339 100644
--- a/packages/0x.js/src/utils/signature_utils.ts
+++ b/packages/0x.js/src/utils/signature_utils.ts
@@ -1,7 +1,6 @@
+import { ECSignature } from '@0xproject/types';
 import * as ethUtil from 'ethereumjs-util';
 
-import { ECSignature } from '../types';
-
 export const signatureUtils = {
     isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean {
         const dataBuff = ethUtil.toBuffer(data);
diff --git a/packages/0x.js/src/utils/utils.ts b/packages/0x.js/src/utils/utils.ts
index 3e98de84f..c8bcd907e 100644
--- a/packages/0x.js/src/utils/utils.ts
+++ b/packages/0x.js/src/utils/utils.ts
@@ -1,12 +1,10 @@
-import { SolidityTypes } from '@0xproject/types';
+import { Order, SignedOrder, SolidityTypes } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import BN = require('bn.js');
 import * as ethABI from 'ethereumjs-abi';
 import * as ethUtil from 'ethereumjs-util';
 import * as _ from 'lodash';
 
-import { Order, SignedOrder } from '../types';
-
 export const utils = {
     /**
      * Converts BigNumber instance to BN