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-rw-r--r--packages/website/ts/blockchain.ts656
1 files changed, 341 insertions, 315 deletions
diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts
index 76640a072..5530701c0 100644
--- a/packages/website/ts/blockchain.ts
+++ b/packages/website/ts/blockchain.ts
@@ -1,7 +1,7 @@
import {
BlockParam,
+ BlockRange,
DecodedLogEvent,
- ExchangeContractErrs,
ExchangeContractEventArgs,
ExchangeEvents,
IndexedFilterValues,
@@ -10,11 +10,9 @@ import {
LogWithDecodedArgs,
Order,
SignedOrder,
- SubscriptionOpts,
Token as ZeroExToken,
TransactionReceiptWithDecodedLogs,
ZeroEx,
- ZeroExError,
} from '0x.js';
import {
InjectedWeb3Subprovider,
@@ -23,24 +21,19 @@ import {
LedgerWalletSubprovider,
RedundantRPCSubprovider,
} from '@0xproject/subproviders';
-import {promisify} from '@0xproject/utils';
-import BigNumber from 'bignumber.js';
-import compareVersions = require('compare-versions');
-import ethUtil = require('ethereumjs-util');
-import findVersions = require('find-versions');
+import { BigNumber, intervalUtils, promisify } from '@0xproject/utils';
import * as _ from 'lodash';
import * as React from 'react';
import contract = require('truffle-contract');
-import {TokenSendCompleted} from 'ts/components/flash_messages/token_send_completed';
-import {TransactionSubmitted} from 'ts/components/flash_messages/transaction_submitted';
-import {trackedTokenStorage} from 'ts/local_storage/tracked_token_storage';
-import {tradeHistoryStorage} from 'ts/local_storage/trade_history_storage';
-import {Dispatcher} from 'ts/redux/dispatcher';
+import { TokenSendCompleted } from 'ts/components/flash_messages/token_send_completed';
+import { TransactionSubmitted } from 'ts/components/flash_messages/transaction_submitted';
+import { trackedTokenStorage } from 'ts/local_storage/tracked_token_storage';
+import { tradeHistoryStorage } from 'ts/local_storage/trade_history_storage';
+import { Dispatcher } from 'ts/redux/dispatcher';
import {
BlockchainCallErrs,
BlockchainErrs,
ContractInstance,
- ContractResponse,
EtherscanLinkSuffixes,
ProviderType,
Side,
@@ -49,58 +42,55 @@ import {
TokenByAddress,
TokenStateByAddress,
} from 'ts/types';
-import {configs} from 'ts/utils/configs';
-import {constants} from 'ts/utils/constants';
-import {errorReporter} from 'ts/utils/error_reporter';
-import {utils} from 'ts/utils/utils';
-import {Web3Wrapper} from 'ts/web3_wrapper';
+import { configs } from 'ts/utils/configs';
+import { constants } from 'ts/utils/constants';
+import { errorReporter } from 'ts/utils/error_reporter';
+import { utils } from 'ts/utils/utils';
+import { Web3Wrapper } from 'ts/web3_wrapper';
import Web3 = require('web3');
import ProviderEngine = require('web3-provider-engine');
import FilterSubprovider = require('web3-provider-engine/subproviders/filters');
import * as MintableArtifacts from '../contracts/Mintable.json';
-const ALLOWANCE_TO_ZERO_GAS_AMOUNT = 45730;
const BLOCK_NUMBER_BACK_TRACK = 50;
export class Blockchain {
public networkId: number;
public nodeVersion: string;
- private zeroEx: ZeroEx;
- private dispatcher: Dispatcher;
- private web3Wrapper?: Web3Wrapper;
- private exchangeAddress: string;
- private tokenTransferProxy: ContractInstance;
- private tokenRegistry: ContractInstance;
- private userAddress: string;
- private cachedProvider: Web3.Provider;
- private ledgerSubprovider: LedgerWalletSubprovider;
- private zrxPollIntervalId: number;
- private static async onPageLoadAsync() {
+ private _zeroEx: ZeroEx;
+ private _dispatcher: Dispatcher;
+ private _web3Wrapper?: Web3Wrapper;
+ private _exchangeAddress: string;
+ private _userAddress: string;
+ private _cachedProvider: Web3.Provider;
+ private _ledgerSubprovider: LedgerWalletSubprovider;
+ private _zrxPollIntervalId: NodeJS.Timer;
+ private static async _onPageLoadAsync(): Promise<void> {
if (document.readyState === 'complete') {
return; // Already loaded
}
- return new Promise((resolve, reject) => {
- window.onload = resolve;
+ return new Promise<void>((resolve, reject) => {
+ window.onload = () => resolve();
});
}
- private static getNameGivenProvider(provider: Web3.Provider): string {
+ private static _getNameGivenProvider(provider: Web3.Provider): string {
if (!_.isUndefined((provider as any).isMetaMask)) {
- return constants.METAMASK_PROVIDER_NAME;
+ return constants.PROVIDER_NAME_METAMASK;
}
// HACK: We use the fact that Parity Signer's provider is an instance of their
// internal `Web3FrameProvider` class.
const isParitySigner = _.startsWith(provider.constructor.toString(), 'function Web3FrameProvider');
if (isParitySigner) {
- return constants.PARITY_SIGNER_PROVIDER_NAME;
+ return constants.PROVIDER_NAME_PARITY_SIGNER;
}
- return constants.GENERIC_PROVIDER_NAME;
+ return constants.PROVIDER_NAME_GENERIC;
}
- private static async getProviderAsync(injectedWeb3: Web3, networkIdIfExists: number) {
+ private static async _getProviderAsync(injectedWeb3: Web3, networkIdIfExists: number) {
const doesInjectedWeb3Exist = !_.isUndefined(injectedWeb3);
- const publicNodeUrlsIfExistsForNetworkId = constants.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkIdIfExists];
+ const publicNodeUrlsIfExistsForNetworkId = configs.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkIdIfExists];
const isPublicNodeAvailableForNetworkId = !_.isUndefined(publicNodeUrlsIfExistsForNetworkId);
let provider;
@@ -110,9 +100,7 @@ export class Blockchain {
provider = new ProviderEngine();
provider.addProvider(new InjectedWeb3Subprovider(injectedWeb3));
provider.addProvider(new FilterSubprovider());
- provider.addProvider(new RedundantRPCSubprovider(
- publicNodeUrlsIfExistsForNetworkId,
- ));
+ provider.addProvider(new RedundantRPCSubprovider(publicNodeUrlsIfExistsForNetworkId));
provider.start();
} else if (doesInjectedWeb3Exist) {
// Since no public node for this network, all requests go to injectedWeb3 instance
@@ -123,41 +111,37 @@ export class Blockchain {
// injected into their browser.
provider = new ProviderEngine();
provider.addProvider(new FilterSubprovider());
- const networkId = configs.isMainnetEnabled ?
- constants.MAINNET_NETWORK_ID :
- constants.TESTNET_NETWORK_ID;
- provider.addProvider(new RedundantRPCSubprovider(
- constants.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkId],
- ));
+ const networkId = configs.IS_MAINNET_ENABLED ? constants.NETWORK_ID_MAINNET : constants.NETWORK_ID_TESTNET;
+ provider.addProvider(new RedundantRPCSubprovider(configs.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkId]));
provider.start();
}
return provider;
}
constructor(dispatcher: Dispatcher, isSalePage: boolean = false) {
- this.dispatcher = dispatcher;
- this.userAddress = '';
+ this._dispatcher = dispatcher;
+ this._userAddress = '';
// tslint:disable-next-line:no-floating-promises
- this.onPageLoadInitFireAndForgetAsync();
+ this._onPageLoadInitFireAndForgetAsync();
}
public async networkIdUpdatedFireAndForgetAsync(newNetworkId: number) {
const isConnected = !_.isUndefined(newNetworkId);
if (!isConnected) {
this.networkId = newNetworkId;
- this.dispatcher.encounteredBlockchainError(BlockchainErrs.DISCONNECTED_FROM_ETHEREUM_NODE);
- this.dispatcher.updateShouldBlockchainErrDialogBeOpen(true);
+ this._dispatcher.encounteredBlockchainError(BlockchainErrs.DisconnectedFromEthereumNode);
+ this._dispatcher.updateShouldBlockchainErrDialogBeOpen(true);
} else if (this.networkId !== newNetworkId) {
this.networkId = newNetworkId;
- this.dispatcher.encounteredBlockchainError('');
- await this.fetchTokenInformationAsync();
- await this.rehydrateStoreWithContractEvents();
+ this._dispatcher.encounteredBlockchainError(BlockchainErrs.NoError);
+ await this._fetchTokenInformationAsync();
+ await this._rehydrateStoreWithContractEvents();
}
}
public async userAddressUpdatedFireAndForgetAsync(newUserAddress: string) {
- if (this.userAddress !== newUserAddress) {
- this.userAddress = newUserAddress;
- await this.fetchTokenInformationAsync();
- await this.rehydrateStoreWithContractEvents();
+ if (this._userAddress !== newUserAddress) {
+ this._userAddress = newUserAddress;
+ await this._fetchTokenInformationAsync();
+ await this._rehydrateStoreWithContractEvents();
}
}
public async nodeVersionUpdatedFireAndForgetAsync(nodeVersion: string) {
@@ -166,80 +150,85 @@ export class Blockchain {
}
}
public async isAddressInTokenRegistryAsync(tokenAddress: string): Promise<boolean> {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- const tokenIfExists = await this.zeroEx.tokenRegistry.getTokenIfExistsAsync(tokenAddress);
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ // HACK: temporarily whitelist the new WETH token address `as if` they were
+ // already in the tokenRegistry.
+ // TODO: Remove this hack once we've updated the TokenRegistries
+ // Airtable task: https://airtable.com/tblFe0Q9JuKJPYbTn/viwsOG2Y97qdIeCIO/recv3VGmIorFzHBVz
+ if (configs.SHOULD_DEPRECATE_OLD_WETH_TOKEN && tokenAddress === configs.NEW_WRAPPED_ETHERS[this.networkId]) {
+ return true;
+ }
+ const tokenIfExists = await this._zeroEx.tokenRegistry.getTokenIfExistsAsync(tokenAddress);
return !_.isUndefined(tokenIfExists);
}
public getLedgerDerivationPathIfExists(): string {
- if (_.isUndefined(this.ledgerSubprovider)) {
+ if (_.isUndefined(this._ledgerSubprovider)) {
return undefined;
}
- const path = this.ledgerSubprovider.getPath();
+ const path = this._ledgerSubprovider.getPath();
return path;
}
public updateLedgerDerivationPathIfExists(path: string) {
- if (_.isUndefined(this.ledgerSubprovider)) {
+ if (_.isUndefined(this._ledgerSubprovider)) {
return; // noop
}
- this.ledgerSubprovider.setPath(path);
+ this._ledgerSubprovider.setPath(path);
}
public updateLedgerDerivationIndex(pathIndex: number) {
- if (_.isUndefined(this.ledgerSubprovider)) {
+ if (_.isUndefined(this._ledgerSubprovider)) {
return; // noop
}
- this.ledgerSubprovider.setPathIndex(pathIndex);
+ this._ledgerSubprovider.setPathIndex(pathIndex);
}
public async providerTypeUpdatedFireAndForgetAsync(providerType: ProviderType) {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
// Should actually be Web3.Provider|ProviderEngine union type but it causes issues
// later on in the logic.
let provider;
switch (providerType) {
- case ProviderType.LEDGER: {
+ case ProviderType.Ledger: {
const isU2FSupported = await utils.isU2FSupportedAsync();
if (!isU2FSupported) {
throw new Error('Cannot update providerType to LEDGER without U2F support');
}
// Cache injected provider so that we can switch the user back to it easily
- this.cachedProvider = this.web3Wrapper.getProviderObj();
+ this._cachedProvider = this._web3Wrapper.getProviderObj();
- this.dispatcher.updateUserAddress(''); // Clear old userAddress
+ this._dispatcher.updateUserAddress(''); // Clear old userAddress
provider = new ProviderEngine();
const ledgerWalletConfigs = {
networkId: this.networkId,
ledgerEthereumClientFactoryAsync: ledgerEthereumBrowserClientFactoryAsync,
};
- this.ledgerSubprovider = new LedgerSubprovider(ledgerWalletConfigs);
- provider.addProvider(this.ledgerSubprovider);
+ this._ledgerSubprovider = new LedgerSubprovider(ledgerWalletConfigs);
+ provider.addProvider(this._ledgerSubprovider);
provider.addProvider(new FilterSubprovider());
- const networkId = configs.isMainnetEnabled ?
- constants.MAINNET_NETWORK_ID :
- constants.TESTNET_NETWORK_ID;
- provider.addProvider(new RedundantRPCSubprovider(
- constants.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkId],
- ));
+ const networkId = configs.IS_MAINNET_ENABLED
+ ? constants.NETWORK_ID_MAINNET
+ : constants.NETWORK_ID_TESTNET;
+ provider.addProvider(new RedundantRPCSubprovider(configs.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkId]));
provider.start();
- this.web3Wrapper.destroy();
+ this._web3Wrapper.destroy();
const shouldPollUserAddress = false;
- this.web3Wrapper = new Web3Wrapper(this.dispatcher, provider, this.networkId, shouldPollUserAddress);
- this.zeroEx.setProvider(provider, networkId);
- await this.postInstantiationOrUpdatingProviderZeroExAsync();
+ this._web3Wrapper = new Web3Wrapper(this._dispatcher, provider, this.networkId, shouldPollUserAddress);
+ this._zeroEx.setProvider(provider, networkId);
+ await this._postInstantiationOrUpdatingProviderZeroExAsync();
break;
}
- case ProviderType.INJECTED: {
- if (_.isUndefined(this.cachedProvider)) {
+ case ProviderType.Injected: {
+ if (_.isUndefined(this._cachedProvider)) {
return; // Going from injected to injected, so we noop
}
- provider = this.cachedProvider;
+ provider = this._cachedProvider;
const shouldPollUserAddress = true;
- this.web3Wrapper = new Web3Wrapper(this.dispatcher, provider, this.networkId, shouldPollUserAddress);
- this.zeroEx.setProvider(provider, this.networkId);
- await this.postInstantiationOrUpdatingProviderZeroExAsync();
- delete this.ledgerSubprovider;
- delete this.cachedProvider;
+ this._web3Wrapper = new Web3Wrapper(this._dispatcher, provider, this.networkId, shouldPollUserAddress);
+ this._zeroEx.setProvider(provider, this.networkId);
+ await this._postInstantiationOrUpdatingProviderZeroExAsync();
+ delete this._ledgerSubprovider;
+ delete this._cachedProvider;
break;
}
@@ -247,40 +236,54 @@ export class Blockchain {
throw utils.spawnSwitchErr('providerType', providerType);
}
- await this.fetchTokenInformationAsync();
+ await this._fetchTokenInformationAsync();
}
public async setProxyAllowanceAsync(token: Token, amountInBaseUnits: BigNumber): Promise<void> {
- utils.assert(this.isValidAddress(token.address), BlockchainCallErrs.TOKEN_ADDRESS_IS_INVALID);
- utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.USER_HAS_NO_ASSOCIATED_ADDRESSES);
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
+ utils.assert(this.isValidAddress(token.address), BlockchainCallErrs.TokenAddressIsInvalid);
+ utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses);
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
- const txHash = await this.zeroEx.token.setProxyAllowanceAsync(
- token.address, this.userAddress, amountInBaseUnits,
+ const txHash = await this._zeroEx.token.setProxyAllowanceAsync(
+ token.address,
+ this._userAddress,
+ amountInBaseUnits,
);
- await this.showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
+ await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
const allowance = amountInBaseUnits;
- this.dispatcher.replaceTokenAllowanceByAddress(token.address, allowance);
+ this._dispatcher.replaceTokenAllowanceByAddress(token.address, allowance);
}
- public async transferAsync(token: Token, toAddress: string,
- amountInBaseUnits: BigNumber): Promise<void> {
- const txHash = await this.zeroEx.token.transferAsync(
- token.address, this.userAddress, toAddress, amountInBaseUnits,
- );
- await this.showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
- const etherScanLinkIfExists = utils.getEtherScanLinkIfExists(txHash, this.networkId, EtherscanLinkSuffixes.tx);
- this.dispatcher.showFlashMessage(React.createElement(TokenSendCompleted, {
- etherScanLinkIfExists,
- token,
+ public async transferAsync(token: Token, toAddress: string, amountInBaseUnits: BigNumber): Promise<void> {
+ const txHash = await this._zeroEx.token.transferAsync(
+ token.address,
+ this._userAddress,
toAddress,
amountInBaseUnits,
- }));
- }
- public portalOrderToSignedOrder(maker: string, taker: string, makerTokenAddress: string,
- takerTokenAddress: string, makerTokenAmount: BigNumber,
- takerTokenAmount: BigNumber, makerFee: BigNumber,
- takerFee: BigNumber, expirationUnixTimestampSec: BigNumber,
- feeRecipient: string,
- signatureData: SignatureData, salt: BigNumber): SignedOrder {
+ );
+ await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
+ const etherScanLinkIfExists = utils.getEtherScanLinkIfExists(txHash, this.networkId, EtherscanLinkSuffixes.Tx);
+ this._dispatcher.showFlashMessage(
+ React.createElement(TokenSendCompleted, {
+ etherScanLinkIfExists,
+ token,
+ toAddress,
+ amountInBaseUnits,
+ }),
+ );
+ }
+ public portalOrderToSignedOrder(
+ maker: string,
+ taker: string,
+ makerTokenAddress: string,
+ takerTokenAddress: string,
+ makerTokenAmount: BigNumber,
+ takerTokenAmount: BigNumber,
+ makerFee: BigNumber,
+ takerFee: BigNumber,
+ expirationUnixTimestampSec: BigNumber,
+ feeRecipient: string,
+ signatureData: SignatureData,
+ salt: BigNumber,
+ ): SignedOrder {
const ecSignature = signatureData;
const exchangeContractAddress = this.getExchangeContractAddressIfExists();
const takerOrNullAddress = _.isEmpty(taker) ? constants.NULL_ADDRESS : taker;
@@ -301,127 +304,140 @@ export class Blockchain {
};
return signedOrder;
}
- public async fillOrderAsync(signedOrder: SignedOrder,
- fillTakerTokenAmount: BigNumber): Promise<BigNumber> {
- utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.USER_HAS_NO_ASSOCIATED_ADDRESSES);
+ public async fillOrderAsync(signedOrder: SignedOrder, fillTakerTokenAmount: BigNumber): Promise<BigNumber> {
+ utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses);
const shouldThrowOnInsufficientBalanceOrAllowance = true;
- const txHash = await this.zeroEx.exchange.fillOrderAsync(
- signedOrder, fillTakerTokenAmount, shouldThrowOnInsufficientBalanceOrAllowance, this.userAddress,
+ const txHash = await this._zeroEx.exchange.fillOrderAsync(
+ signedOrder,
+ fillTakerTokenAmount,
+ shouldThrowOnInsufficientBalanceOrAllowance,
+ this._userAddress,
);
- const receipt = await this.showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
+ const receipt = await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
const logs: Array<LogWithDecodedArgs<ExchangeContractEventArgs>> = receipt.logs as any;
- this.zeroEx.exchange.throwLogErrorsAsErrors(logs);
- const logFill = _.find(logs, {event: 'LogFill'});
- const args = logFill.args as any as LogFillContractEventArgs;
+ this._zeroEx.exchange.throwLogErrorsAsErrors(logs);
+ const logFill = _.find(logs, { event: 'LogFill' });
+ const args = (logFill.args as any) as LogFillContractEventArgs;
const filledTakerTokenAmount = args.filledTakerTokenAmount;
return filledTakerTokenAmount;
}
- public async cancelOrderAsync(signedOrder: SignedOrder,
- cancelTakerTokenAmount: BigNumber): Promise<BigNumber> {
- const txHash = await this.zeroEx.exchange.cancelOrderAsync(
- signedOrder, cancelTakerTokenAmount,
- );
- const receipt = await this.showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
+ public async cancelOrderAsync(signedOrder: SignedOrder, cancelTakerTokenAmount: BigNumber): Promise<BigNumber> {
+ const txHash = await this._zeroEx.exchange.cancelOrderAsync(signedOrder, cancelTakerTokenAmount);
+ const receipt = await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
const logs: Array<LogWithDecodedArgs<ExchangeContractEventArgs>> = receipt.logs as any;
- this.zeroEx.exchange.throwLogErrorsAsErrors(logs);
- const logCancel = _.find(logs, {event: ExchangeEvents.LogCancel});
- const args = logCancel.args as any as LogCancelContractEventArgs;
+ this._zeroEx.exchange.throwLogErrorsAsErrors(logs);
+ const logCancel = _.find(logs, { event: ExchangeEvents.LogCancel });
+ const args = (logCancel.args as any) as LogCancelContractEventArgs;
const cancelledTakerTokenAmount = args.cancelledTakerTokenAmount;
return cancelledTakerTokenAmount;
}
public async getUnavailableTakerAmountAsync(orderHash: string): Promise<BigNumber> {
utils.assert(ZeroEx.isValidOrderHash(orderHash), 'Must be valid orderHash');
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- const unavailableTakerAmount = await this.zeroEx.exchange.getUnavailableTakerAmountAsync(orderHash);
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ const unavailableTakerAmount = await this._zeroEx.exchange.getUnavailableTakerAmountAsync(orderHash);
return unavailableTakerAmount;
}
public getExchangeContractAddressIfExists() {
- return this.exchangeAddress;
- }
- public async validateFillOrderThrowIfInvalidAsync(signedOrder: SignedOrder,
- fillTakerTokenAmount: BigNumber,
- takerAddress: string): Promise<void> {
- await this.zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
- signedOrder, fillTakerTokenAmount, takerAddress);
+ return this._exchangeAddress;
+ }
+ public async validateFillOrderThrowIfInvalidAsync(
+ signedOrder: SignedOrder,
+ fillTakerTokenAmount: BigNumber,
+ takerAddress: string,
+ ): Promise<void> {
+ await this._zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
+ signedOrder,
+ fillTakerTokenAmount,
+ takerAddress,
+ );
}
- public async validateCancelOrderThrowIfInvalidAsync(order: Order,
- cancelTakerTokenAmount: BigNumber): Promise<void> {
- await this.zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(order, cancelTakerTokenAmount);
+ public async validateCancelOrderThrowIfInvalidAsync(
+ order: Order,
+ cancelTakerTokenAmount: BigNumber,
+ ): Promise<void> {
+ await this._zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(order, cancelTakerTokenAmount);
}
public isValidAddress(address: string): boolean {
const lowercaseAddress = address.toLowerCase();
- return this.web3Wrapper.isAddress(lowercaseAddress);
+ return this._web3Wrapper.isAddress(lowercaseAddress);
}
public async pollTokenBalanceAsync(token: Token) {
- utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.USER_HAS_NO_ASSOCIATED_ADDRESSES);
+ utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses);
- const [currBalance] = await this.getTokenBalanceAndAllowanceAsync(this.userAddress, token.address);
+ const [currBalance] = await this.getTokenBalanceAndAllowanceAsync(this._userAddress, token.address);
- this.zrxPollIntervalId = window.setInterval(async () => {
- const [balance] = await this.getTokenBalanceAndAllowanceAsync(this.userAddress, token.address);
- if (!balance.eq(currBalance)) {
- this.dispatcher.replaceTokenBalanceByAddress(token.address, balance);
- clearInterval(this.zrxPollIntervalId);
- delete this.zrxPollIntervalId;
- }
- }, 5000);
+ this._zrxPollIntervalId = intervalUtils.setAsyncExcludingInterval(
+ async () => {
+ const [balance] = await this.getTokenBalanceAndAllowanceAsync(this._userAddress, token.address);
+ if (!balance.eq(currBalance)) {
+ this._dispatcher.replaceTokenBalanceByAddress(token.address, balance);
+ intervalUtils.clearAsyncExcludingInterval(this._zrxPollIntervalId);
+ delete this._zrxPollIntervalId;
+ }
+ },
+ 5000,
+ (err: Error) => {
+ utils.consoleLog(`Polling tokenBalance failed: ${err}`);
+ intervalUtils.clearAsyncExcludingInterval(this._zrxPollIntervalId);
+ delete this._zrxPollIntervalId;
+ },
+ );
}
public async signOrderHashAsync(orderHash: string): Promise<SignatureData> {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- const makerAddress = this.userAddress;
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ const makerAddress = this._userAddress;
// If makerAddress is undefined, this means they have a web3 instance injected into their browser
// but no account addresses associated with it.
if (_.isUndefined(makerAddress)) {
throw new Error('Tried to send a sign request but user has no associated addresses');
}
- const ecSignature = await this.zeroEx.signOrderHashAsync(orderHash, makerAddress);
+ const ecSignature = await this._zeroEx.signOrderHashAsync(orderHash, makerAddress);
const signatureData = _.extend({}, ecSignature, {
hash: orderHash,
});
- this.dispatcher.updateSignatureData(signatureData);
+ this._dispatcher.updateSignatureData(signatureData);
return signatureData;
}
public async mintTestTokensAsync(token: Token) {
- utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.USER_HAS_NO_ASSOCIATED_ADDRESSES);
+ utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses);
- const mintableContract = await this.instantiateContractIfExistsAsync(MintableArtifacts, token.address);
+ const mintableContract = await this._instantiateContractIfExistsAsync(MintableArtifacts, token.address);
await mintableContract.mint(constants.MINT_AMOUNT, {
- from: this.userAddress,
+ from: this._userAddress,
});
const balanceDelta = constants.MINT_AMOUNT;
- this.dispatcher.updateTokenBalanceByAddress(token.address, balanceDelta);
+ this._dispatcher.updateTokenBalanceByAddress(token.address, balanceDelta);
}
public async getBalanceInEthAsync(owner: string): Promise<BigNumber> {
- const balance = await this.web3Wrapper.getBalanceInEthAsync(owner);
+ const balance = await this._web3Wrapper.getBalanceInEthAsync(owner);
return balance;
}
- public async convertEthToWrappedEthTokensAsync(amount: BigNumber): Promise<void> {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.USER_HAS_NO_ASSOCIATED_ADDRESSES);
+ public async convertEthToWrappedEthTokensAsync(etherTokenAddress: string, amount: BigNumber): Promise<void> {
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses);
- const txHash = await this.zeroEx.etherToken.depositAsync(amount, this.userAddress);
- await this.showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
+ const txHash = await this._zeroEx.etherToken.depositAsync(etherTokenAddress, amount, this._userAddress);
+ await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
}
- public async convertWrappedEthTokensToEthAsync(amount: BigNumber): Promise<void> {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.USER_HAS_NO_ASSOCIATED_ADDRESSES);
+ public async convertWrappedEthTokensToEthAsync(etherTokenAddress: string, amount: BigNumber): Promise<void> {
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses);
- const txHash = await this.zeroEx.etherToken.withdrawAsync(amount, this.userAddress);
- await this.showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
+ const txHash = await this._zeroEx.etherToken.withdrawAsync(etherTokenAddress, amount, this._userAddress);
+ await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash);
}
public async doesContractExistAtAddressAsync(address: string) {
- const doesContractExist = await this.web3Wrapper.doesContractExistAtAddressAsync(address);
+ const doesContractExist = await this._web3Wrapper.doesContractExistAtAddressAsync(address);
return doesContractExist;
}
public async getCurrentUserTokenBalanceAndAllowanceAsync(tokenAddress: string): Promise<BigNumber[]> {
- const tokenBalanceAndAllowance = await this.getTokenBalanceAndAllowanceAsync(this.userAddress, tokenAddress);
- return tokenBalanceAndAllowance;
+ const tokenBalanceAndAllowance = await this.getTokenBalanceAndAllowanceAsync(this._userAddress, tokenAddress);
+ return tokenBalanceAndAllowance;
}
- public async getTokenBalanceAndAllowanceAsync(ownerAddress: string, tokenAddress: string):
- Promise<BigNumber[]> {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
+ public async getTokenBalanceAndAllowanceAsync(ownerAddress: string, tokenAddress: string): Promise<BigNumber[]> {
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
if (_.isEmpty(ownerAddress)) {
const zero = new BigNumber(0);
@@ -429,9 +445,9 @@ export class Blockchain {
}
let balance = new BigNumber(0);
let allowance = new BigNumber(0);
- if (this.doesUserAddressExist()) {
- balance = await this.zeroEx.token.getBalanceAsync(tokenAddress, ownerAddress);
- allowance = await this.zeroEx.token.getProxyAllowanceAsync(tokenAddress, ownerAddress);
+ if (this._doesUserAddressExist()) {
+ balance = await this._zeroEx.token.getBalanceAsync(tokenAddress, ownerAddress);
+ allowance = await this._zeroEx.token.getProxyAllowanceAsync(tokenAddress, ownerAddress);
}
return [balance, allowance];
}
@@ -440,11 +456,8 @@ export class Blockchain {
for (const token of tokens) {
let balance = new BigNumber(0);
let allowance = new BigNumber(0);
- if (this.doesUserAddressExist()) {
- [
- balance,
- allowance,
- ] = await this.getTokenBalanceAndAllowanceAsync(this.userAddress, token.address);
+ if (this._doesUserAddressExist()) {
+ [balance, allowance] = await this.getTokenBalanceAndAllowanceAsync(this._userAddress, token.address);
}
const tokenState = {
balance,
@@ -452,110 +465,113 @@ export class Blockchain {
};
tokenStateByAddress[token.address] = tokenState;
}
- this.dispatcher.updateTokenStateByAddress(tokenStateByAddress);
+ this._dispatcher.updateTokenStateByAddress(tokenStateByAddress);
}
public async getUserAccountsAsync() {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- const userAccountsIfExists = await this.zeroEx.getAvailableAddressesAsync();
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ const userAccountsIfExists = await this._zeroEx.getAvailableAddressesAsync();
return userAccountsIfExists;
}
// HACK: When a user is using a Ledger, we simply dispatch the selected userAddress, which
// by-passes the web3Wrapper logic for updating the prevUserAddress. We therefore need to
// manually update it. This should only be called by the LedgerConfigDialog.
public updateWeb3WrapperPrevUserAddress(newUserAddress: string) {
- this.web3Wrapper.updatePrevUserAddress(newUserAddress);
+ this._web3Wrapper.updatePrevUserAddress(newUserAddress);
}
public destroy() {
- clearInterval(this.zrxPollIntervalId);
- this.web3Wrapper.destroy();
- // tslint:disable-next-line:no-floating-promises
- this.stopWatchingExchangeLogFillEventsAsync(); // fire and forget
- }
- private async showEtherScanLinkAndAwaitTransactionMinedAsync(
- txHash: string): Promise<TransactionReceiptWithDecodedLogs> {
- const etherScanLinkIfExists = utils.getEtherScanLinkIfExists(txHash, this.networkId, EtherscanLinkSuffixes.tx);
- this.dispatcher.showFlashMessage(React.createElement(TransactionSubmitted, {
- etherScanLinkIfExists,
- }));
- const receipt = await this.zeroEx.awaitTransactionMinedAsync(txHash);
+ intervalUtils.clearAsyncExcludingInterval(this._zrxPollIntervalId);
+ this._web3Wrapper.destroy();
+ this._stopWatchingExchangeLogFillEvents();
+ }
+ private async _showEtherScanLinkAndAwaitTransactionMinedAsync(
+ txHash: string,
+ ): Promise<TransactionReceiptWithDecodedLogs> {
+ const etherScanLinkIfExists = utils.getEtherScanLinkIfExists(txHash, this.networkId, EtherscanLinkSuffixes.Tx);
+ this._dispatcher.showFlashMessage(
+ React.createElement(TransactionSubmitted, {
+ etherScanLinkIfExists,
+ }),
+ );
+ const receipt = await this._zeroEx.awaitTransactionMinedAsync(txHash);
return receipt;
}
- private doesUserAddressExist(): boolean {
- return this.userAddress !== '';
+ private _doesUserAddressExist(): boolean {
+ return this._userAddress !== '';
}
- private async rehydrateStoreWithContractEvents() {
+ private async _rehydrateStoreWithContractEvents() {
// Ensure we are only ever listening to one set of events
- await this.stopWatchingExchangeLogFillEventsAsync();
+ this._stopWatchingExchangeLogFillEvents();
- if (!this.doesUserAddressExist()) {
+ if (!this._doesUserAddressExist()) {
return; // short-circuit
}
- if (!_.isUndefined(this.zeroEx)) {
+ if (!_.isUndefined(this._zeroEx)) {
// Since we do not have an index on the `taker` address and want to show
// transactions where an account is either the `maker` or `taker`, we loop
// through all fill events, and filter/cache them client-side.
const filterIndexObj = {};
- await this.startListeningForExchangeLogFillEventsAsync(filterIndexObj);
+ await this._startListeningForExchangeLogFillEventsAsync(filterIndexObj);
}
}
- private async startListeningForExchangeLogFillEventsAsync(indexFilterValues: IndexedFilterValues): Promise<void> {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.USER_HAS_NO_ASSOCIATED_ADDRESSES);
+ private async _startListeningForExchangeLogFillEventsAsync(indexFilterValues: IndexedFilterValues): Promise<void> {
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses);
// Fetch historical logs
- await this.fetchHistoricalExchangeLogFillEventsAsync(indexFilterValues);
+ await this._fetchHistoricalExchangeLogFillEventsAsync(indexFilterValues);
// Start a subscription for new logs
- const exchangeAddress = this.getExchangeContractAddressIfExists();
- const subscriptionId = this.zeroEx.exchange.subscribe(
- ExchangeEvents.LogFill, indexFilterValues,
+ this._zeroEx.exchange.subscribe(
+ ExchangeEvents.LogFill,
+ indexFilterValues,
async (err: Error, decodedLogEvent: DecodedLogEvent<LogFillContractEventArgs>) => {
- if (err) {
- // Note: it's not entirely clear from the documentation which
- // errors will be thrown by `watch`. For now, let's log the error
- // to rollbar and stop watching when one occurs
- // tslint:disable-next-line:no-floating-promises
- errorReporter.reportAsync(err); // fire and forget
- // tslint:disable-next-line:no-floating-promises
- this.stopWatchingExchangeLogFillEventsAsync(); // fire and forget
- return;
- } else {
- const decodedLog = decodedLogEvent.log;
- if (!this.doesLogEventInvolveUser(decodedLog)) {
- return; // We aren't interested in the fill event
- }
- this.updateLatestFillsBlockIfNeeded(decodedLog.blockNumber);
- const fill = await this.convertDecodedLogToFillAsync(decodedLog);
- if (decodedLogEvent.isRemoved) {
- tradeHistoryStorage.removeFillFromUser(this.userAddress, this.networkId, fill);
+ if (err) {
+ // Note: it's not entirely clear from the documentation which
+ // errors will be thrown by `watch`. For now, let's log the error
+ // to rollbar and stop watching when one occurs
+ // tslint:disable-next-line:no-floating-promises
+ errorReporter.reportAsync(err); // fire and forget
+ return;
} else {
- tradeHistoryStorage.addFillToUser(this.userAddress, this.networkId, fill);
+ const decodedLog = decodedLogEvent.log;
+ if (!this._doesLogEventInvolveUser(decodedLog)) {
+ return; // We aren't interested in the fill event
+ }
+ this._updateLatestFillsBlockIfNeeded(decodedLog.blockNumber);
+ const fill = await this._convertDecodedLogToFillAsync(decodedLog);
+ if (decodedLogEvent.isRemoved) {
+ tradeHistoryStorage.removeFillFromUser(this._userAddress, this.networkId, fill);
+ } else {
+ tradeHistoryStorage.addFillToUser(this._userAddress, this.networkId, fill);
+ }
}
- }
- });
+ },
+ );
}
- private async fetchHistoricalExchangeLogFillEventsAsync(indexFilterValues: IndexedFilterValues) {
- const fromBlock = tradeHistoryStorage.getFillsLatestBlock(this.userAddress, this.networkId);
- const subscriptionOpts: SubscriptionOpts = {
+ private async _fetchHistoricalExchangeLogFillEventsAsync(indexFilterValues: IndexedFilterValues) {
+ const fromBlock = tradeHistoryStorage.getFillsLatestBlock(this._userAddress, this.networkId);
+ const blockRange: BlockRange = {
fromBlock,
toBlock: 'latest' as BlockParam,
};
- const decodedLogs = await this.zeroEx.exchange.getLogsAsync<LogFillContractEventArgs>(
- ExchangeEvents.LogFill, subscriptionOpts, indexFilterValues,
+ const decodedLogs = await this._zeroEx.exchange.getLogsAsync<LogFillContractEventArgs>(
+ ExchangeEvents.LogFill,
+ blockRange,
+ indexFilterValues,
);
for (const decodedLog of decodedLogs) {
- if (!this.doesLogEventInvolveUser(decodedLog)) {
+ if (!this._doesLogEventInvolveUser(decodedLog)) {
continue; // We aren't interested in the fill event
}
- this.updateLatestFillsBlockIfNeeded(decodedLog.blockNumber);
- const fill = await this.convertDecodedLogToFillAsync(decodedLog);
- tradeHistoryStorage.addFillToUser(this.userAddress, this.networkId, fill);
+ this._updateLatestFillsBlockIfNeeded(decodedLog.blockNumber);
+ const fill = await this._convertDecodedLogToFillAsync(decodedLog);
+ tradeHistoryStorage.addFillToUser(this._userAddress, this.networkId, fill);
}
}
- private async convertDecodedLogToFillAsync(decodedLog: LogWithDecodedArgs<LogFillContractEventArgs>) {
+ private async _convertDecodedLogToFillAsync(decodedLog: LogWithDecodedArgs<LogFillContractEventArgs>) {
const args = decodedLog.args;
- const blockTimestamp = await this.web3Wrapper.getBlockTimestampAsync(decodedLog.blockHash);
+ const blockTimestamp = await this._web3Wrapper.getBlockTimestampAsync(decodedLog.blockHash);
const fill = {
filledTakerTokenAmount: args.filledTakerTokenAmount,
filledMakerTokenAmount: args.filledMakerTokenAmount,
@@ -572,13 +588,12 @@ export class Blockchain {
};
return fill;
}
- private doesLogEventInvolveUser(decodedLog: LogWithDecodedArgs<LogFillContractEventArgs>) {
+ private _doesLogEventInvolveUser(decodedLog: LogWithDecodedArgs<LogFillContractEventArgs>) {
const args = decodedLog.args;
- const isUserMakerOrTaker = args.maker === this.userAddress ||
- args.taker === this.userAddress;
+ const isUserMakerOrTaker = args.maker === this._userAddress || args.taker === this._userAddress;
return isUserMakerOrTaker;
}
- private updateLatestFillsBlockIfNeeded(blockNumber: number) {
+ private _updateLatestFillsBlockIfNeeded(blockNumber: number) {
const isBlockPending = _.isNull(blockNumber);
if (!isBlockPending) {
// Hack: I've observed the behavior where a client won't register certain fill events
@@ -587,27 +602,39 @@ export class Blockchain {
// would still attempt to re-fetch events from the previous 50 blocks, but won't need to
// re-fetch all events in all blocks.
// TODO: Debug if this is a race condition, and apply a more precise fix
- const blockNumberToSet = blockNumber - BLOCK_NUMBER_BACK_TRACK < 0 ?
- 0 :
- blockNumber - BLOCK_NUMBER_BACK_TRACK;
- tradeHistoryStorage.setFillsLatestBlock(this.userAddress, this.networkId, blockNumberToSet);
+ const blockNumberToSet =
+ blockNumber - BLOCK_NUMBER_BACK_TRACK < 0 ? 0 : blockNumber - BLOCK_NUMBER_BACK_TRACK;
+ tradeHistoryStorage.setFillsLatestBlock(this._userAddress, this.networkId, blockNumberToSet);
}
}
- private async stopWatchingExchangeLogFillEventsAsync() {
- this.zeroEx.exchange.unsubscribeAll();
+ private _stopWatchingExchangeLogFillEvents(): void {
+ this._zeroEx.exchange.unsubscribeAll();
}
- private async getTokenRegistryTokensByAddressAsync(): Promise<TokenByAddress> {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- const tokenRegistryTokens = await this.zeroEx.tokenRegistry.getTokensAsync();
+ private async _getTokenRegistryTokensByAddressAsync(): Promise<TokenByAddress> {
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ const tokenRegistryTokens = await this._zeroEx.tokenRegistry.getTokensAsync();
const tokenByAddress: TokenByAddress = {};
_.each(tokenRegistryTokens, (t: ZeroExToken, i: number) => {
// HACK: For now we have a hard-coded list of iconUrls for the dummyTokens
// TODO: Refactor this out and pull the iconUrl directly from the TokenRegistry
- const iconUrl = constants.iconUrlBySymbol[t.symbol];
+ const iconUrl = configs.ICON_URL_BY_SYMBOL[t.symbol];
+ // HACK: Temporarily we hijack the WETH addresses fetched from the tokenRegistry
+ // so that we can take our time with actually updating it. This ensures that when
+ // we deploy the new WETH page, everyone will re-fill their trackedTokens with the
+ // new canonical WETH.
+ // TODO: Remove this hack once we've updated the TokenRegistries
+ // Airtable task: https://airtable.com/tblFe0Q9JuKJPYbTn/viwsOG2Y97qdIeCIO/recv3VGmIorFzHBVz
+ let address = t.address;
+ if (configs.SHOULD_DEPRECATE_OLD_WETH_TOKEN && t.symbol === 'WETH') {
+ const newEtherTokenAddressIfExists = configs.NEW_WRAPPED_ETHERS[this.networkId];
+ if (!_.isUndefined(newEtherTokenAddressIfExists)) {
+ address = newEtherTokenAddressIfExists;
+ }
+ }
const token: Token = {
iconUrl,
- address: t.address,
+ address,
name: t.name,
symbol: t.symbol,
decimals: t.decimals,
@@ -618,8 +645,8 @@ export class Blockchain {
});
return tokenByAddress;
}
- private async onPageLoadInitFireAndForgetAsync() {
- await Blockchain.onPageLoadAsync(); // wait for page to load
+ private async _onPageLoadInitFireAndForgetAsync() {
+ await Blockchain._onPageLoadAsync(); // wait for page to load
// Hack: We need to know the networkId the injectedWeb3 is connected to (if it is defined) in
// order to properly instantiate the web3Wrapper. Since we must use the async call, we cannot
@@ -637,62 +664,63 @@ export class Blockchain {
}
}
- const provider = await Blockchain.getProviderAsync(injectedWeb3, networkIdIfExists);
- const networkId = !_.isUndefined(networkIdIfExists) ? networkIdIfExists :
- configs.isMainnetEnabled ?
- constants.MAINNET_NETWORK_ID :
- constants.TESTNET_NETWORK_ID;
+ const provider = await Blockchain._getProviderAsync(injectedWeb3, networkIdIfExists);
+ const networkId = !_.isUndefined(networkIdIfExists)
+ ? networkIdIfExists
+ : configs.IS_MAINNET_ENABLED ? constants.NETWORK_ID_MAINNET : constants.NETWORK_ID_TESTNET;
const zeroExConfigs = {
networkId,
};
- this.zeroEx = new ZeroEx(provider, zeroExConfigs);
- this.updateProviderName(injectedWeb3);
+ this._zeroEx = new ZeroEx(provider, zeroExConfigs);
+ this._updateProviderName(injectedWeb3);
const shouldPollUserAddress = true;
- this.web3Wrapper = new Web3Wrapper(this.dispatcher, provider, networkId, shouldPollUserAddress);
- await this.postInstantiationOrUpdatingProviderZeroExAsync();
+ this._web3Wrapper = new Web3Wrapper(this._dispatcher, provider, networkId, shouldPollUserAddress);
+ await this._postInstantiationOrUpdatingProviderZeroExAsync();
}
// This method should always be run after instantiating or updating the provider
// of the ZeroEx instance.
- private async postInstantiationOrUpdatingProviderZeroExAsync() {
- utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
- this.exchangeAddress = this.zeroEx.exchange.getContractAddress();
+ private async _postInstantiationOrUpdatingProviderZeroExAsync() {
+ utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
+ this._exchangeAddress = this._zeroEx.exchange.getContractAddress();
}
- private updateProviderName(injectedWeb3: Web3) {
+ private _updateProviderName(injectedWeb3: Web3) {
const doesInjectedWeb3Exist = !_.isUndefined(injectedWeb3);
- const providerName = doesInjectedWeb3Exist ?
- Blockchain.getNameGivenProvider(injectedWeb3.currentProvider) :
- constants.PUBLIC_PROVIDER_NAME;
- this.dispatcher.updateInjectedProviderName(providerName);
- }
- private async fetchTokenInformationAsync() {
- utils.assert(!_.isUndefined(this.networkId),
- 'Cannot call fetchTokenInformationAsync if disconnected from Ethereum node');
+ const providerName = doesInjectedWeb3Exist
+ ? Blockchain._getNameGivenProvider(injectedWeb3.currentProvider)
+ : constants.PROVIDER_NAME_PUBLIC;
+ this._dispatcher.updateInjectedProviderName(providerName);
+ }
+ private async _fetchTokenInformationAsync() {
+ utils.assert(
+ !_.isUndefined(this.networkId),
+ 'Cannot call fetchTokenInformationAsync if disconnected from Ethereum node',
+ );
- this.dispatcher.updateBlockchainIsLoaded(false);
- this.dispatcher.clearTokenByAddress();
+ this._dispatcher.updateBlockchainIsLoaded(false);
+ this._dispatcher.clearTokenByAddress();
- const tokenRegistryTokensByAddress = await this.getTokenRegistryTokensByAddressAsync();
+ const tokenRegistryTokensByAddress = await this._getTokenRegistryTokensByAddressAsync();
// HACK: We need to fetch the userAddress here because otherwise we cannot save the
// tracked tokens in localStorage under the users address nor fetch the token
// balances and allowances and we need to do this in order not to trigger the blockchain
// loading dialog to show up twice. First to load the contracts, and second to load the
// balances and allowances.
- this.userAddress = await this.web3Wrapper.getFirstAccountIfExistsAsync();
- if (!_.isEmpty(this.userAddress)) {
- this.dispatcher.updateUserAddress(this.userAddress);
+ this._userAddress = await this._web3Wrapper.getFirstAccountIfExistsAsync();
+ if (!_.isEmpty(this._userAddress)) {
+ this._dispatcher.updateUserAddress(this._userAddress);
}
- let trackedTokensIfExists = trackedTokenStorage.getTrackedTokensIfExists(this.userAddress, this.networkId);
+ let trackedTokensIfExists = trackedTokenStorage.getTrackedTokensIfExists(this._userAddress, this.networkId);
const tokenRegistryTokens = _.values(tokenRegistryTokensByAddress);
if (_.isUndefined(trackedTokensIfExists)) {
- trackedTokensIfExists = _.map(configs.defaultTrackedTokenSymbols, symbol => {
+ trackedTokensIfExists = _.map(configs.DEFAULT_TRACKED_TOKEN_SYMBOLS, symbol => {
const token = _.find(tokenRegistryTokens, t => t.symbol === symbol);
token.isTracked = true;
return token;
});
_.each(trackedTokensIfExists, token => {
- trackedTokenStorage.addTrackedTokenToUser(this.userAddress, this.networkId, token);
+ trackedTokenStorage.addTrackedTokenToUser(this._userAddress, this.networkId, token);
});
} else {
// Properly set all tokenRegistry tokens `isTracked` to true if they are in the existing trackedTokens array
@@ -703,22 +731,22 @@ export class Blockchain {
});
}
const allTokens = _.uniq([...tokenRegistryTokens, ...trackedTokensIfExists]);
- this.dispatcher.updateTokenByAddress(allTokens);
+ this._dispatcher.updateTokenByAddress(allTokens);
// Get balance/allowance for tracked tokens
await this.updateTokenBalancesAndAllowancesAsync(trackedTokensIfExists);
const mostPopularTradingPairTokens: Token[] = [
- _.find(allTokens, {symbol: configs.defaultTrackedTokenSymbols[0]}),
- _.find(allTokens, {symbol: configs.defaultTrackedTokenSymbols[1]}),
+ _.find(allTokens, { symbol: configs.DEFAULT_TRACKED_TOKEN_SYMBOLS[0] }),
+ _.find(allTokens, { symbol: configs.DEFAULT_TRACKED_TOKEN_SYMBOLS[1] }),
];
- this.dispatcher.updateChosenAssetTokenAddress(Side.deposit, mostPopularTradingPairTokens[0].address);
- this.dispatcher.updateChosenAssetTokenAddress(Side.receive, mostPopularTradingPairTokens[1].address);
- this.dispatcher.updateBlockchainIsLoaded(true);
+ this._dispatcher.updateChosenAssetTokenAddress(Side.Deposit, mostPopularTradingPairTokens[0].address);
+ this._dispatcher.updateChosenAssetTokenAddress(Side.Receive, mostPopularTradingPairTokens[1].address);
+ this._dispatcher.updateBlockchainIsLoaded(true);
}
- private async instantiateContractIfExistsAsync(artifact: any, address?: string): Promise<ContractInstance> {
+ private async _instantiateContractIfExistsAsync(artifact: any, address?: string): Promise<ContractInstance> {
const c = await contract(artifact);
- const providerObj = this.web3Wrapper.getProviderObj();
+ const providerObj = this._web3Wrapper.getProviderObj();
c.setProvider(providerObj);
const artifactNetworkConfigs = artifact.networks[this.networkId];
@@ -733,23 +761,21 @@ export class Blockchain {
const doesContractExist = await this.doesContractExistAtAddressAsync(contractAddress);
if (!doesContractExist) {
utils.consoleLog(`Contract does not exist: ${artifact.contract_name} at ${contractAddress}`);
- throw new Error(BlockchainCallErrs.CONTRACT_DOES_NOT_EXIST);
+ throw new Error(BlockchainCallErrs.ContractDoesNotExist);
}
}
try {
- const contractInstance = _.isUndefined(address) ?
- await c.deployed() :
- await c.at(address);
+ const contractInstance = _.isUndefined(address) ? await c.deployed() : await c.at(address);
return contractInstance;
} catch (err) {
const errMsg = `${err}`;
utils.consoleLog(`Notice: Error encountered: ${err} ${err.stack}`);
if (_.includes(errMsg, 'not been deployed to detected network')) {
- throw new Error(BlockchainCallErrs.CONTRACT_DOES_NOT_EXIST);
+ throw new Error(BlockchainCallErrs.ContractDoesNotExist);
} else {
await errorReporter.reportAsync(err);
- throw new Error(BlockchainCallErrs.UNHANDLED_ERROR);
+ throw new Error(BlockchainCallErrs.UnhandledError);
}
}
}