Merge pull request #482 from 0xProject/feature/web3-types

Move common types out of web3 types

7 files changed, 41 insertions, 33 deletions

diff --git a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
index ad7727de5..6c96428ed 100644
--- a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
@@ -1,4 +1,4 @@
-import { BlockParamLiteral, LogWithDecodedArgs, RawLog } from '@0xproject/types';
+import { BlockParamLiteral, ContractAbi, FilterObject, LogEntry, LogWithDecodedArgs, RawLog } from '@0xproject/types';
 import { AbiDecoder, intervalUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import { Block, BlockAndLogStreamer } from 'ethereumjs-blockstream';
@@ -35,7 +35,7 @@ export class ContractWrapper {
     private _abiDecoder?: AbiDecoder;
     private _blockAndLogStreamerIfExists?: BlockAndLogStreamer;
     private _blockAndLogStreamIntervalIfExists?: NodeJS.Timer;
-    private _filters: { [filterToken: string]: Web3.FilterObject };
+    private _filters: { [filterToken: string]: FilterObject };
     private _filterCallbacks: {
         [filterToken: string]: EventCallback<ContractEventArgs>;
     };
@@ -75,7 +75,7 @@ export class ContractWrapper {
         address: string,
         eventName: ContractEvents,
         indexFilterValues: IndexedFilterValues,
-        abi: Web3.ContractAbi,
+        abi: ContractAbi,
         callback: EventCallback<ArgsType>,
     ): string {
         const filter = filterUtils.getFilter(address, eventName, indexFilterValues, abi);
@@ -92,7 +92,7 @@ export class ContractWrapper {
         eventName: ContractEvents,
         blockRange: BlockRange,
         indexFilterValues: IndexedFilterValues,
-        abi: Web3.ContractAbi,
+        abi: ContractAbi,
     ): Promise<Array<LogWithDecodedArgs<ArgsType>>> {
         const filter = filterUtils.getFilter(address, eventName, indexFilterValues, abi, blockRange);
         const logs = await this._web3Wrapper.getLogsAsync(filter);
@@ -100,7 +100,7 @@ export class ContractWrapper {
         return logsWithDecodedArguments;
     }
     protected _tryToDecodeLogOrNoop<ArgsType extends ContractEventArgs>(
-        log: Web3.LogEntry,
+        log: LogEntry,
     ): LogWithDecodedArgs<ArgsType> | RawLog {
         if (_.isUndefined(this._abiDecoder)) {
             throw new Error(InternalZeroExError.NoAbiDecoder);
@@ -111,7 +111,7 @@ export class ContractWrapper {
     protected async _getContractAbiAndAddressFromArtifactsAsync(
         artifact: Artifact,
         addressIfExists?: string,
-    ): Promise<[Web3.ContractAbi, string]> {
+    ): Promise<[ContractAbi, string]> {
         let contractAddress: string;
         if (_.isUndefined(addressIfExists)) {
             if (_.isUndefined(artifact.networks[this._networkId])) {
@@ -125,7 +125,7 @@ export class ContractWrapper {
         if (!doesContractExist) {
             throw new Error(CONTRACT_NAME_TO_NOT_FOUND_ERROR[artifact.contract_name]);
         }
-        const abiAndAddress: [Web3.ContractAbi, string] = [artifact.abi, contractAddress];
+        const abiAndAddress: [ContractAbi, string] = [artifact.abi, contractAddress];
         return abiAndAddress;
     }
     protected _getContractAddress(artifact: Artifact, addressIfExists?: string): string {
@@ -139,8 +139,8 @@ export class ContractWrapper {
             return addressIfExists;
         }
     }
-    private _onLogStateChanged<ArgsType extends ContractEventArgs>(isRemoved: boolean, log: Web3.LogEntry): void {
-        _.forEach(this._filters, (filter: Web3.FilterObject, filterToken: string) => {
+    private _onLogStateChanged<ArgsType extends ContractEventArgs>(isRemoved: boolean, log: LogEntry): void {
+        _.forEach(this._filters, (filter: FilterObject, filterToken: string) => {
             if (filterUtils.matchesFilter(log, filter)) {
                 const decodedLog = this._tryToDecodeLogOrNoop(log) as LogWithDecodedArgs<ArgsType>;
                 const logEvent = {
diff --git a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
index 59bd4db6b..6b5a75a9a 100644
--- a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
@@ -3,6 +3,7 @@ import {
     BlockParamLiteral,
     DecodedLogArgs,
     ECSignature,
+    LogEntry,
     LogWithDecodedArgs,
     Order,
     SignedOrder,
@@ -10,7 +11,6 @@ import {
 import { AbiDecoder, BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
 
 import { artifacts } from '../artifacts';
 import {
@@ -863,7 +863,7 @@ export class ExchangeWrapper extends ContractWrapper {
      * Checks if logs contain LogError, which is emitted by Exchange contract on transaction failure.
      * @param   logs   Transaction logs as returned by `zeroEx.awaitTransactionMinedAsync`
      */
-    public throwLogErrorsAsErrors(logs: Array<LogWithDecodedArgs<DecodedLogArgs> | Web3.LogEntry>): void {
+    public throwLogErrorsAsErrors(logs: Array<LogWithDecodedArgs<DecodedLogArgs> | LogEntry>): void {
         const errLog = _.find(logs, {
             event: ExchangeEvents.LogError,
         });
diff --git a/packages/0x.js/src/globals.d.ts b/packages/0x.js/src/globals.d.ts
index e2c321f38..3e8ea21bc 100644
--- a/packages/0x.js/src/globals.d.ts
+++ b/packages/0x.js/src/globals.d.ts
@@ -37,12 +37,13 @@ declare module 'ethereumjs-abi' {
 
 // truffle-hdwallet-provider declarations
 declare module 'truffle-hdwallet-provider' {
+    import { JSONRPCRequestPayload, JSONRPCResponsePayload } from '@0xproject/types';
     import * as Web3 from 'web3';
     class HDWalletProvider implements Web3.Provider {
         constructor(mnemonic: string, rpcUrl: string);
         public sendAsync(
-            payload: Web3.JSONRPCRequestPayload,
-            callback: (err: Error, result: Web3.JSONRPCResponsePayload) => void,
+            payload: JSONRPCRequestPayload,
+            callback: (err: Error, result: JSONRPCResponsePayload) => void,
         ): void;
     }
     export = HDWalletProvider;
diff --git a/packages/0x.js/src/index.ts b/packages/0x.js/src/index.ts
index 7885fb82a..e353a1d3d 100644
--- a/packages/0x.js/src/index.ts
+++ b/packages/0x.js/src/index.ts
@@ -16,7 +16,6 @@ export {
     MethodOpts,
     OrderTransactionOpts,
     TransactionOpts,
-    FilterObject,
     LogEvent,
     DecodedLogEvent,
     EventWatcherCallback,
@@ -28,6 +27,7 @@ export {
 
 export {
     BlockParamLiteral,
+    FilterObject,
     BlockParam,
     ContractEventArg,
     LogWithDecodedArgs,
diff --git a/packages/0x.js/src/order_watcher/event_watcher.ts b/packages/0x.js/src/order_watcher/event_watcher.ts
index e67b93251..246ab8292 100644
--- a/packages/0x.js/src/order_watcher/event_watcher.ts
+++ b/packages/0x.js/src/order_watcher/event_watcher.ts
@@ -1,9 +1,7 @@
+import { BlockParamLiteral, LogEntry } from '@0xproject/types';
 import { intervalUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
-
-import { BlockParamLiteral } from '@0xproject/types';
 
 import { EventWatcherCallback, ZeroExError } from '../types';
 import { assert } from '../utils/assert';
@@ -23,7 +21,7 @@ export class EventWatcher {
     private _web3Wrapper: Web3Wrapper;
     private _pollingIntervalMs: number;
     private _intervalIdIfExists?: NodeJS.Timer;
-    private _lastEvents: Web3.LogEntry[] = [];
+    private _lastEvents: LogEntry[] = [];
     constructor(web3Wrapper: Web3Wrapper, pollingIntervalIfExistsMs: undefined | number) {
         this._web3Wrapper = web3Wrapper;
         this._pollingIntervalMs = _.isUndefined(pollingIntervalIfExistsMs)
@@ -69,7 +67,7 @@ export class EventWatcher {
         await this._emitDifferencesAsync(newEvents, LogEventState.Added, callback);
         this._lastEvents = pendingEvents;
     }
-    private async _getEventsAsync(): Promise<Web3.LogEntry[]> {
+    private async _getEventsAsync(): Promise<LogEntry[]> {
         const eventFilter = {
             fromBlock: BlockParamLiteral.Pending,
             toBlock: BlockParamLiteral.Pending,
@@ -78,7 +76,7 @@ export class EventWatcher {
         return events;
     }
     private async _emitDifferencesAsync(
-        logs: Web3.LogEntry[],
+        logs: LogEntry[],
         logEventState: LogEventState,
         callback: EventWatcherCallback,
     ): Promise<void> {
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 65342b694..38cfb6306 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -3,7 +3,10 @@ import { BigNumber } from '@0xproject/utils';
 import {
     BlockParam,
     BlockParamLiteral,
+    ContractAbi,
     ContractEventArg,
+    FilterObject,
+    LogEntryEvent,
     LogWithDecodedArgs,
     Order,
     SignedOrder,
@@ -48,7 +51,7 @@ export type OrderAddresses = [string, string, string, string, string];
 
 export type OrderValues = [BigNumber, BigNumber, BigNumber, BigNumber, BigNumber, BigNumber];
 
-export type LogEvent = Web3.LogEntryEvent;
+export type LogEvent = LogEntryEvent;
 export interface DecodedLogEvent<ArgsType> {
     isRemoved: boolean;
     log: LogWithDecodedArgs<ArgsType>;
@@ -197,7 +200,7 @@ export type ArtifactContractName = 'ZRX' | 'TokenTransferProxy' | 'TokenRegistry
 
 export interface Artifact {
     contract_name: ArtifactContractName;
-    abi: Web3.ContractAbi;
+    abi: ContractAbi;
     networks: {
         [networkId: number]: {
             address: string;
@@ -222,7 +225,7 @@ export interface ValidateOrderFillableOpts {
  * flag when  running Parity).
  */
 export interface MethodOpts {
-    defaultBlock?: Web3.BlockParam;
+    defaultBlock?: BlockParam;
 }
 
 /*
@@ -242,8 +245,6 @@ export interface OrderTransactionOpts extends TransactionOpts {
     shouldValidate?: boolean;
 }
 
-export type FilterObject = Web3.FilterObject;
-
 export enum TradeSide {
     Maker = 'maker',
     Taker = 'taker',
diff --git a/packages/0x.js/src/utils/filter_utils.ts b/packages/0x.js/src/utils/filter_utils.ts
index 97205ace3..c5df7321e 100644
--- a/packages/0x.js/src/utils/filter_utils.ts
+++ b/packages/0x.js/src/utils/filter_utils.ts
@@ -1,8 +1,16 @@
+import {
+    ConstructorAbi,
+    ContractAbi,
+    EventAbi,
+    FallbackAbi,
+    FilterObject,
+    LogEntry,
+    MethodAbi,
+} from '@0xproject/types';
 import * as ethUtil from 'ethereumjs-util';
 import * as jsSHA3 from 'js-sha3';
 import * as _ from 'lodash';
 import * as uuid from 'uuid/v4';
-import * as Web3 from 'web3';
 
 import { BlockRange, ContractEvents, IndexedFilterValues } from '../types';
 
@@ -16,15 +24,15 @@ export const filterUtils = {
         address: string,
         eventName: ContractEvents,
         indexFilterValues: IndexedFilterValues,
-        abi: Web3.ContractAbi,
+        abi: ContractAbi,
         blockRange?: BlockRange,
-    ): Web3.FilterObject {
-        const eventAbi = _.find(abi, { name: eventName }) as Web3.EventAbi;
+    ): FilterObject {
+        const eventAbi = _.find(abi, { name: eventName }) as EventAbi;
         const eventSignature = filterUtils.getEventSignatureFromAbiByName(eventAbi, eventName);
         const topicForEventSignature = ethUtil.addHexPrefix(jsSHA3.keccak256(eventSignature));
         const topicsForIndexedArgs = filterUtils.getTopicsForIndexedArgs(eventAbi, indexFilterValues);
         const topics = [topicForEventSignature, ...topicsForIndexedArgs];
-        let filter: Web3.FilterObject = {
+        let filter: FilterObject = {
             address,
             topics,
         };
@@ -36,12 +44,12 @@ export const filterUtils = {
         }
         return filter;
     },
-    getEventSignatureFromAbiByName(eventAbi: Web3.EventAbi, eventName: ContractEvents): string {
+    getEventSignatureFromAbiByName(eventAbi: EventAbi, eventName: ContractEvents): string {
         const types = _.map(eventAbi.inputs, 'type');
         const signature = `${eventAbi.name}(${types.join(',')})`;
         return signature;
     },
-    getTopicsForIndexedArgs(abi: Web3.EventAbi, indexFilterValues: IndexedFilterValues): Array<string | null> {
+    getTopicsForIndexedArgs(abi: EventAbi, indexFilterValues: IndexedFilterValues): Array<string | null> {
         const topics: Array<string | null> = [];
         for (const eventInput of abi.inputs) {
             if (!eventInput.indexed) {
@@ -60,7 +68,7 @@ export const filterUtils = {
         }
         return topics;
     },
-    matchesFilter(log: Web3.LogEntry, filter: Web3.FilterObject): boolean {
+    matchesFilter(log: LogEntry, filter: FilterObject): boolean {
         if (!_.isUndefined(filter.address) && log.address !== filter.address) {
             return false;
         }