From 4089ad7b4bb99f9ce14fc92586dea4df1e585985 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Wed, 27 Jun 2018 11:48:24 +0300
Subject: Refactor types

---
 packages/contract-wrappers/src/types.ts | 56 +++++++++++++--------------------
 1 file changed, 21 insertions(+), 35 deletions(-)

diff --git a/packages/contract-wrappers/src/types.ts b/packages/contract-wrappers/src/types.ts
index 0c1c58486..649133584 100644
--- a/packages/contract-wrappers/src/types.ts
+++ b/packages/contract-wrappers/src/types.ts
@@ -1,26 +1,21 @@
 import { BigNumber } from '@0xproject/utils';
 
-import {
-    BlockParam,
-    ContractEventArg,
-    LogEntryEvent,
-    LogWithDecodedArgs,
-    Order,
-    OrderState,
-    SignedOrder,
-} from '@0xproject/types';
-
-import { EtherTokenContractEventArgs, EtherTokenEvents } from './contract_wrappers/generated/ether_token';
-import { ExchangeContractEventArgs, ExchangeEvents } from './contract_wrappers/generated/exchange';
-import { TokenContractEventArgs, TokenEvents } from './contract_wrappers/generated/token';
+import { OrderState, SignedOrder } from '@0xproject/types';
+import { BlockParam, ContractEventArg, DecodedLogArgs, LogEntryEvent, LogWithDecodedArgs } from 'ethereum-types';
+
+import { ERC20TokenEventArgs, ERC20TokenEvents } from './contract_wrappers/generated/erc20_token';
+import { ERC721TokenEventArgs, ERC721TokenEvents } from './contract_wrappers/generated/erc721_token';
+import { ExchangeEventArgs, ExchangeEvents } from './contract_wrappers/generated/exchange';
+import { WETH9EventArgs, WETH9Events } from './contract_wrappers/generated/weth9';
 
 export enum ContractWrappersError {
     ExchangeContractDoesNotExist = 'EXCHANGE_CONTRACT_DOES_NOT_EXIST',
     ZRXContractDoesNotExist = 'ZRX_CONTRACT_DOES_NOT_EXIST',
     EtherTokenContractDoesNotExist = 'ETHER_TOKEN_CONTRACT_DOES_NOT_EXIST',
-    TokenTransferProxyContractDoesNotExist = 'TOKEN_TRANSFER_PROXY_CONTRACT_DOES_NOT_EXIST',
-    TokenRegistryContractDoesNotExist = 'TOKEN_REGISTRY_CONTRACT_DOES_NOT_EXIST',
-    TokenContractDoesNotExist = 'TOKEN_CONTRACT_DOES_NOT_EXIST',
+    ERC20ProxyContractDoesNotExist = 'ERC20_PROXY_CONTRACT_DOES_NOT_EXIST',
+    ERC721ProxyContractDoesNotExist = 'ERC721_PROXY_CONTRACT_DOES_NOT_EXIST',
+    ERC20TokenContractDoesNotExist = 'ERC20_TOKEN_CONTRACT_DOES_NOT_EXIST',
+    ERC721TokenContractDoesNotExist = 'ERC721_TOKEN_CONTRACT_DOES_NOT_EXIST',
     ContractNotDeployedOnNetwork = 'CONTRACT_NOT_DEPLOYED_ON_NETWORK',
     InsufficientAllowanceForTransfer = 'INSUFFICIENT_ALLOWANCE_FOR_TRANSFER',
     InsufficientBalanceForTransfer = 'INSUFFICIENT_BALANCE_FOR_TRANSFER',
@@ -30,6 +25,8 @@ export enum ContractWrappersError {
     OutOfGas = 'OUT_OF_GAS',
     SubscriptionNotFound = 'SUBSCRIPTION_NOT_FOUND',
     SubscriptionAlreadyPresent = 'SUBSCRIPTION_ALREADY_PRESENT',
+    ERC721OwnerNotFound = 'ERC_721_OWNER_NOT_FOUND',
+    ERC721NoApproval = 'ERC_721_NO_APPROVAL',
 }
 
 export enum InternalContractWrappersError {
@@ -39,21 +36,15 @@ export enum InternalContractWrappersError {
 }
 
 export type LogEvent = LogEntryEvent;
-export interface DecodedLogEvent<ArgsType> {
+export interface DecodedLogEvent<ArgsType extends DecodedLogArgs> {
     isRemoved: boolean;
     log: LogWithDecodedArgs<ArgsType>;
 }
 
-export type EventCallback<ArgsType> = (err: null | Error, log?: DecodedLogEvent<ArgsType>) => void;
-
-export enum ExchangeContractErrCodes {
-    ERROR_FILL_EXPIRED, // Order has already expired
-    ERROR_FILL_NO_VALUE, // Order has already been fully filled or cancelled
-    ERROR_FILL_TRUNCATION, // Rounding error too large
-    ERROR_FILL_BALANCE_ALLOWANCE, // Insufficient balance or allowance for token transfer
-    ERROR_CANCEL_EXPIRED, // Order has already expired
-    ERROR_CANCEL_NO_VALUE, // Order has already been fully filled or cancelled
-}
+export type EventCallback<ArgsType extends DecodedLogArgs> = (
+    err: null | Error,
+    log?: DecodedLogEvent<ArgsType>,
+) => void;
 
 export interface ContractEvent {
     logIndex: number;
@@ -67,7 +58,7 @@ export interface ContractEvent {
     args: ContractEventArgs;
 }
 
-export type ContractEventArgs = ExchangeContractEventArgs | TokenContractEventArgs | EtherTokenContractEventArgs;
+export type ContractEventArgs = ExchangeEventArgs | ERC20TokenEventArgs | ERC721TokenEventArgs | WETH9EventArgs;
 
 //                          [address, name, symbol, decimals, ipfsHash, swarmHash]
 export type TokenMetadata = [string, string, string, number, string, string];
@@ -90,7 +81,7 @@ export interface TokenAddressBySymbol {
     [symbol: string]: string;
 }
 
-export type ContractEvents = TokenEvents | ExchangeEvents | EtherTokenEvents;
+export type ContractEvents = ERC20TokenEvents | ERC721TokenEvents | ExchangeEvents | WETH9Events;
 
 export interface IndexedFilterValues {
     [index: string]: ContractEventArg;
@@ -101,14 +92,9 @@ export interface BlockRange {
     toBlock: BlockParam;
 }
 
-export interface OrderCancellationRequest {
-    order: Order | SignedOrder;
-    takerTokenCancelAmount: BigNumber;
-}
-
 export interface OrderFillRequest {
     signedOrder: SignedOrder;
-    takerTokenFillAmount: BigNumber;
+    takerAssetFillAmount: BigNumber;
 }
 
 export type AsyncMethod = (...args: any[]) => Promise<any>;
-- 
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