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authorFabio Berger <me@fabioberger.com>2018-09-28 19:08:12 +0800
committerFabio Berger <me@fabioberger.com>2018-09-28 19:08:12 +0800
commitba7de7204d29d4004c347190be7a3b8c84951b82 (patch)
tree9dddbd1ded45484a6cb968cdf799bf5ce991477b /packages/order-watcher/src
parentf3ad64aa1c2930affbfd074316b5f407580b7523 (diff)
parenta737cfa004ee1dc18be935f61fb9c289ed5623fd (diff)
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merge development
Diffstat (limited to 'packages/order-watcher/src')
-rw-r--r--packages/order-watcher/src/fetchers/asset_balance_and_proxy_allowance_fetcher.ts74
-rw-r--r--packages/order-watcher/src/fetchers/order_filled_cancelled_fetcher.ts27
-rw-r--r--packages/order-watcher/src/index.ts1
-rw-r--r--packages/order-watcher/src/order_watcher/event_watcher.ts46
-rw-r--r--packages/order-watcher/src/order_watcher/order_watcher.ts29
5 files changed, 53 insertions, 124 deletions
diff --git a/packages/order-watcher/src/fetchers/asset_balance_and_proxy_allowance_fetcher.ts b/packages/order-watcher/src/fetchers/asset_balance_and_proxy_allowance_fetcher.ts
deleted file mode 100644
index a1de22a5e..000000000
--- a/packages/order-watcher/src/fetchers/asset_balance_and_proxy_allowance_fetcher.ts
+++ /dev/null
@@ -1,74 +0,0 @@
-// tslint:disable:no-unnecessary-type-assertion
-import { BlockParamLiteral, ERC20TokenWrapper, ERC721TokenWrapper } from '@0xproject/contract-wrappers';
-import { AbstractBalanceAndProxyAllowanceFetcher, assetDataUtils } from '@0xproject/order-utils';
-import { AssetProxyId, ERC20AssetData, ERC721AssetData } from '@0xproject/types';
-import { BigNumber } from '@0xproject/utils';
-
-export class AssetBalanceAndProxyAllowanceFetcher implements AbstractBalanceAndProxyAllowanceFetcher {
- private readonly _erc20Token: ERC20TokenWrapper;
- private readonly _erc721Token: ERC721TokenWrapper;
- private readonly _stateLayer: BlockParamLiteral;
- constructor(erc20Token: ERC20TokenWrapper, erc721Token: ERC721TokenWrapper, stateLayer: BlockParamLiteral) {
- this._erc20Token = erc20Token;
- this._erc721Token = erc721Token;
- this._stateLayer = stateLayer;
- }
- public async getBalanceAsync(assetData: string, userAddress: string): Promise<BigNumber> {
- const decodedAssetData = assetDataUtils.decodeAssetDataOrThrow(assetData);
- if (decodedAssetData.assetProxyId === AssetProxyId.ERC20) {
- const decodedERC20AssetData = decodedAssetData as ERC20AssetData;
- const balance = await this._erc20Token.getBalanceAsync(decodedERC20AssetData.tokenAddress, userAddress, {
- defaultBlock: this._stateLayer,
- });
- return balance;
- } else {
- const decodedERC721AssetData = decodedAssetData as ERC721AssetData;
- const tokenOwner = await this._erc721Token.getOwnerOfAsync(
- decodedERC721AssetData.tokenAddress,
- decodedERC721AssetData.tokenId,
- {
- defaultBlock: this._stateLayer,
- },
- );
- const balance = tokenOwner === userAddress ? new BigNumber(1) : new BigNumber(0);
- return balance;
- }
- }
- public async getProxyAllowanceAsync(assetData: string, userAddress: string): Promise<BigNumber> {
- const decodedAssetData = assetDataUtils.decodeAssetDataOrThrow(assetData);
- if (decodedAssetData.assetProxyId === AssetProxyId.ERC20) {
- const decodedERC20AssetData = decodedAssetData as ERC20AssetData;
- const proxyAllowance = await this._erc20Token.getProxyAllowanceAsync(
- decodedERC20AssetData.tokenAddress,
- userAddress,
- {
- defaultBlock: this._stateLayer,
- },
- );
- return proxyAllowance;
- } else {
- const decodedERC721AssetData = decodedAssetData as ERC721AssetData;
-
- const isApprovedForAll = await this._erc721Token.isProxyApprovedForAllAsync(
- decodedERC721AssetData.tokenAddress,
- userAddress,
- {
- defaultBlock: this._stateLayer,
- },
- );
- if (isApprovedForAll) {
- return new BigNumber(this._erc20Token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS);
- } else {
- const isApproved = await this._erc721Token.isProxyApprovedAsync(
- decodedERC721AssetData.tokenAddress,
- decodedERC721AssetData.tokenId,
- {
- defaultBlock: this._stateLayer,
- },
- );
- const proxyAllowance = isApproved ? new BigNumber(1) : new BigNumber(0);
- return proxyAllowance;
- }
- }
- }
-}
diff --git a/packages/order-watcher/src/fetchers/order_filled_cancelled_fetcher.ts b/packages/order-watcher/src/fetchers/order_filled_cancelled_fetcher.ts
deleted file mode 100644
index bfad1a48c..000000000
--- a/packages/order-watcher/src/fetchers/order_filled_cancelled_fetcher.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-// tslint:disable:no-unnecessary-type-assertion
-import { BlockParamLiteral, ExchangeWrapper } from '@0xproject/contract-wrappers';
-import { AbstractOrderFilledCancelledFetcher } from '@0xproject/order-utils';
-import { BigNumber } from '@0xproject/utils';
-
-export class OrderFilledCancelledFetcher implements AbstractOrderFilledCancelledFetcher {
- private readonly _exchange: ExchangeWrapper;
- private readonly _stateLayer: BlockParamLiteral;
- constructor(exchange: ExchangeWrapper, stateLayer: BlockParamLiteral) {
- this._exchange = exchange;
- this._stateLayer = stateLayer;
- }
- public async getFilledTakerAmountAsync(orderHash: string): Promise<BigNumber> {
- const filledTakerAmount = this._exchange.getFilledTakerAssetAmountAsync(orderHash, {
- defaultBlock: this._stateLayer,
- });
- return filledTakerAmount;
- }
- public async isOrderCancelledAsync(orderHash: string): Promise<boolean> {
- const isCancelled = await this._exchange.isCancelledAsync(orderHash);
- return isCancelled;
- }
- public getZRXAssetData(): string {
- const zrxAssetData = this._exchange.getZRXAssetData();
- return zrxAssetData;
- }
-}
diff --git a/packages/order-watcher/src/index.ts b/packages/order-watcher/src/index.ts
index 8efca6217..d7ad4fba7 100644
--- a/packages/order-watcher/src/index.ts
+++ b/packages/order-watcher/src/index.ts
@@ -1,4 +1,5 @@
export { OrderWatcher } from './order_watcher/order_watcher';
+export { ExpirationWatcher } from './order_watcher/expiration_watcher';
export {
OrderStateValid,
diff --git a/packages/order-watcher/src/order_watcher/event_watcher.ts b/packages/order-watcher/src/order_watcher/event_watcher.ts
index 9509c75de..9ea301815 100644
--- a/packages/order-watcher/src/order_watcher/event_watcher.ts
+++ b/packages/order-watcher/src/order_watcher/event_watcher.ts
@@ -1,6 +1,6 @@
import { intervalUtils, logUtils } from '@0xproject/utils';
-import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import { BlockParamLiteral, LogEntry, Provider } from 'ethereum-types';
+import { marshaller, Web3Wrapper } from '@0xproject/web3-wrapper';
+import { BlockParamLiteral, FilterObject, LogEntry, Provider, RawLogEntry } from 'ethereum-types';
import { Block, BlockAndLogStreamer, Log } from 'ethereumjs-blockstream';
import * as _ from 'lodash';
@@ -20,7 +20,6 @@ enum LogEventState {
*/
export class EventWatcher {
private readonly _web3Wrapper: Web3Wrapper;
- private readonly _stateLayer: BlockParamLiteral;
private readonly _isVerbose: boolean;
private _blockAndLogStreamerIfExists: BlockAndLogStreamer<Block, Log> | undefined;
private _blockAndLogStreamIntervalIfExists?: NodeJS.Timer;
@@ -35,7 +34,6 @@ export class EventWatcher {
) {
this._isVerbose = isVerbose;
this._web3Wrapper = new Web3Wrapper(provider);
- this._stateLayer = stateLayer;
this._pollingIntervalMs = _.isUndefined(pollingIntervalIfExistsMs)
? DEFAULT_EVENT_POLLING_INTERVAL_MS
: pollingIntervalIfExistsMs;
@@ -62,8 +60,8 @@ export class EventWatcher {
throw new Error(OrderWatcherError.SubscriptionAlreadyPresent);
}
this._blockAndLogStreamerIfExists = new BlockAndLogStreamer(
- this._web3Wrapper.getBlockAsync.bind(this._web3Wrapper),
- this._web3Wrapper.getLogsAsync.bind(this._web3Wrapper),
+ this._blockstreamGetBlockOrNullAsync.bind(this),
+ this._blockstreamGetLogsAsync.bind(this),
this._onBlockAndLogStreamerError.bind(this),
);
const catchAllLogFilter = {};
@@ -82,6 +80,32 @@ export class EventWatcher {
this._onLogStateChangedAsync.bind(this, callback, isRemoved),
);
}
+ // This method only exists in order to comply with the expected interface of Blockstream's constructor
+ private async _blockstreamGetBlockOrNullAsync(hash: string): Promise<Block | null> {
+ const shouldIncludeTransactionData = false;
+ const blockOrNull = await this._web3Wrapper.sendRawPayloadAsync<Block | null>({
+ method: 'eth_getBlockByHash',
+ params: [hash, shouldIncludeTransactionData],
+ });
+ return blockOrNull;
+ }
+ // This method only exists in order to comply with the expected interface of Blockstream's constructor
+ private async _blockstreamGetLatestBlockOrNullAsync(): Promise<Block | null> {
+ const shouldIncludeTransactionData = false;
+ const blockOrNull = await this._web3Wrapper.sendRawPayloadAsync<Block | null>({
+ method: 'eth_getBlockByNumber',
+ params: [BlockParamLiteral.Latest, shouldIncludeTransactionData],
+ });
+ return blockOrNull;
+ }
+ // This method only exists in order to comply with the expected interface of Blockstream's constructor
+ private async _blockstreamGetLogsAsync(filterOptions: FilterObject): Promise<RawLogEntry[]> {
+ const logs = await this._web3Wrapper.sendRawPayloadAsync<RawLogEntry[]>({
+ method: 'eth_getLogs',
+ params: [filterOptions],
+ });
+ return logs as RawLogEntry[];
+ }
private _stopBlockAndLogStream(): void {
if (_.isUndefined(this._blockAndLogStreamerIfExists)) {
throw new Error(OrderWatcherError.SubscriptionNotFound);
@@ -95,16 +119,20 @@ export class EventWatcher {
private async _onLogStateChangedAsync(
callback: EventWatcherCallback,
isRemoved: boolean,
- log: LogEntry,
+ rawLog: RawLogEntry,
): Promise<void> {
+ const log: LogEntry = marshaller.unmarshalLog(rawLog);
await this._emitDifferencesAsync(log, isRemoved ? LogEventState.Removed : LogEventState.Added, callback);
}
private async _reconcileBlockAsync(): Promise<void> {
- const latestBlock = await this._web3Wrapper.getBlockAsync(this._stateLayer);
+ const latestBlockOrNull = await this._blockstreamGetLatestBlockOrNullAsync();
+ if (_.isNull(latestBlockOrNull)) {
+ return; // noop
+ }
// We need to coerce to Block type cause Web3.Block includes types for mempool blocks
if (!_.isUndefined(this._blockAndLogStreamerIfExists)) {
// If we clear the interval while fetching the block - this._blockAndLogStreamer will be undefined
- await this._blockAndLogStreamerIfExists.reconcileNewBlock((latestBlock as any) as Block);
+ await this._blockAndLogStreamerIfExists.reconcileNewBlock(latestBlockOrNull);
}
}
private async _emitDifferencesAsync(
diff --git a/packages/order-watcher/src/order_watcher/order_watcher.ts b/packages/order-watcher/src/order_watcher/order_watcher.ts
index d4c5cca4b..f9a63efe3 100644
--- a/packages/order-watcher/src/order_watcher/order_watcher.ts
+++ b/packages/order-watcher/src/order_watcher/order_watcher.ts
@@ -1,5 +1,6 @@
// tslint:disable:no-unnecessary-type-assertion
import {
+ AssetBalanceAndProxyAllowanceFetcher,
ContractWrappers,
ERC20TokenApprovalEventArgs,
ERC20TokenEventArgs,
@@ -15,6 +16,7 @@ import {
ExchangeEventArgs,
ExchangeEvents,
ExchangeFillEventArgs,
+ OrderFilledCancelledFetcher,
WETH9DepositEventArgs,
WETH9EventArgs,
WETH9Events,
@@ -34,8 +36,6 @@ import { BlockParamLiteral, LogEntryEvent, LogWithDecodedArgs, Provider } from '
import * as _ from 'lodash';
import { artifacts } from '../artifacts';
-import { AssetBalanceAndProxyAllowanceFetcher } from '../fetchers/asset_balance_and_proxy_allowance_fetcher';
-import { OrderFilledCancelledFetcher } from '../fetchers/order_filled_cancelled_fetcher';
import { orderWatcherPartialConfigSchema } from '../schemas/order_watcher_partial_config_schema';
import { OnOrderStateChangeCallback, OrderWatcherConfig, OrderWatcherError } from '../types';
import { assert } from '../utils/assert';
@@ -275,6 +275,7 @@ export class OrderWatcher {
return; // noop
}
const decodedLog = (maybeDecodedLog as any) as LogWithDecodedArgs<ContractEventArgs>;
+ const transactionHash = decodedLog.transactionHash;
switch (decodedLog.event) {
case ERC20TokenEvents.Approval:
case ERC721TokenEvents.Approval: {
@@ -290,7 +291,7 @@ export class OrderWatcher {
args._owner,
tokenAssetData,
);
- await this._emitRevalidateOrdersAsync(orderHashes);
+ await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
break;
} else {
// ERC721
@@ -303,7 +304,7 @@ export class OrderWatcher {
args._owner,
tokenAssetData,
);
- await this._emitRevalidateOrdersAsync(orderHashes);
+ await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
break;
}
}
@@ -322,7 +323,7 @@ export class OrderWatcher {
args._from,
tokenAssetData,
);
- await this._emitRevalidateOrdersAsync(orderHashes);
+ await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
break;
} else {
// ERC721
@@ -336,7 +337,7 @@ export class OrderWatcher {
args._from,
tokenAssetData,
);
- await this._emitRevalidateOrdersAsync(orderHashes);
+ await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
break;
}
}
@@ -350,7 +351,7 @@ export class OrderWatcher {
args._owner,
tokenAddress,
);
- await this._emitRevalidateOrdersAsync(orderHashes);
+ await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
break;
}
case WETH9Events.Deposit: {
@@ -363,7 +364,7 @@ export class OrderWatcher {
args._owner,
tokenAssetData,
);
- await this._emitRevalidateOrdersAsync(orderHashes);
+ await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
break;
}
case WETH9Events.Withdrawal: {
@@ -376,7 +377,7 @@ export class OrderWatcher {
args._owner,
tokenAssetData,
);
- await this._emitRevalidateOrdersAsync(orderHashes);
+ await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
break;
}
case ExchangeEvents.Fill: {
@@ -387,7 +388,7 @@ export class OrderWatcher {
const orderHash = args.orderHash;
const isOrderWatched = !_.isUndefined(this._orderByOrderHash[orderHash]);
if (isOrderWatched) {
- await this._emitRevalidateOrdersAsync([orderHash]);
+ await this._emitRevalidateOrdersAsync([orderHash], transactionHash);
}
break;
}
@@ -399,7 +400,7 @@ export class OrderWatcher {
const orderHash = args.orderHash;
const isOrderWatched = !_.isUndefined(this._orderByOrderHash[orderHash]);
if (isOrderWatched) {
- await this._emitRevalidateOrdersAsync([orderHash]);
+ await this._emitRevalidateOrdersAsync([orderHash], transactionHash);
}
break;
}
@@ -410,7 +411,7 @@ export class OrderWatcher {
this._orderFilledCancelledLazyStore.deleteAllIsCancelled();
// Revalidate orders
const orderHashes = this._dependentOrderHashesTracker.getDependentOrderHashesByMaker(args.makerAddress);
- await this._emitRevalidateOrdersAsync(orderHashes);
+ await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
break;
}
@@ -418,12 +419,12 @@ export class OrderWatcher {
throw errorUtils.spawnSwitchErr('decodedLog.event', decodedLog.event);
}
}
- private async _emitRevalidateOrdersAsync(orderHashes: string[]): Promise<void> {
+ private async _emitRevalidateOrdersAsync(orderHashes: string[], transactionHash?: string): Promise<void> {
for (const orderHash of orderHashes) {
const signedOrder = this._orderByOrderHash[orderHash];
// Most of these calls will never reach the network because the data is fetched from stores
// and only updated when cache is invalidated
- const orderState = await this._orderStateUtils.getOpenOrderStateAsync(signedOrder);
+ const orderState = await this._orderStateUtils.getOpenOrderStateAsync(signedOrder, transactionHash);
if (_.isUndefined(this._callbackIfExists)) {
break; // Unsubscribe was called
}