diff options
Diffstat (limited to 'packages/website/ts/blockchain.ts')
| -rw-r--r-- | packages/website/ts/blockchain.ts | 356 |
1 files changed, 178 insertions, 178 deletions
diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts index 481917934..3d21a5046 100644 --- a/packages/website/ts/blockchain.ts +++ b/packages/website/ts/blockchain.ts @@ -59,15 +59,15 @@ 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 userAddress: string; - private cachedProvider: Web3.Provider; - private ledgerSubprovider: LedgerWalletSubprovider; - private zrxPollIntervalId: NodeJS.Timer; - 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() { if (document.readyState === 'complete') { return; // Already loaded } @@ -75,7 +75,7 @@ export class Blockchain { 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.PROVIDER_NAME_METAMASK; } @@ -89,7 +89,7 @@ export class Blockchain { 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 = configs.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkIdIfExists]; const isPublicNodeAvailableForNetworkId = !_.isUndefined(publicNodeUrlsIfExistsForNetworkId); @@ -126,29 +126,29 @@ export class Blockchain { 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.DisconnectedFromEthereumNode); - this.dispatcher.updateShouldBlockchainErrDialogBeOpen(true); + this._dispatcher.encounteredBlockchainError(BlockchainErrs.DisconnectedFromEthereumNode); + this._dispatcher.updateShouldBlockchainErrDialogBeOpen(true); } else if (this.networkId !== newNetworkId) { this.networkId = newNetworkId; - this.dispatcher.encounteredBlockchainError(BlockchainErrs.NoError); - 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) { @@ -157,7 +157,7 @@ export class Blockchain { } } public async isAddressInTokenRegistryAsync(tokenAddress: string): Promise<boolean> { - utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.'); + 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 @@ -166,30 +166,30 @@ export class Blockchain { tokenAddress === configs.NEW_WRAPPED_ETHERS[this.networkId]) { return true; } - const tokenIfExists = await this.zeroEx.tokenRegistry.getTokenIfExistsAsync(tokenAddress); + 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; @@ -201,17 +201,17 @@ export class Blockchain { } // 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.IS_MAINNET_ENABLED ? constants.NETWORK_ID_MAINNET : @@ -220,25 +220,25 @@ export class Blockchain { 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)) { + 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; } @@ -246,28 +246,28 @@ 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.TokenAddressIsInvalid); - utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses); - utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.'); + 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, + const txHash = await this._zeroEx.token.transferAsync( + token.address, this._userAddress, toAddress, amountInBaseUnits, ); - await this.showEtherScanLinkAndAwaitTransactionMinedAsync(txHash); + await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash); const etherScanLinkIfExists = utils.getEtherScanLinkIfExists(txHash, this.networkId, EtherscanLinkSuffixes.Tx); - this.dispatcher.showFlashMessage(React.createElement(TokenSendCompleted, { + this._dispatcher.showFlashMessage(React.createElement(TokenSendCompleted, { etherScanLinkIfExists, token, toAddress, @@ -302,16 +302,16 @@ export class Blockchain { } public async fillOrderAsync(signedOrder: SignedOrder, fillTakerTokenAmount: BigNumber): Promise<BigNumber> { - utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses); + 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); + this._zeroEx.exchange.throwLogErrorsAsErrors(logs); const logFill = _.find(logs, {event: 'LogFill'}); const args = logFill.args as any as LogFillContractEventArgs; const filledTakerTokenAmount = args.filledTakerTokenAmount; @@ -319,12 +319,12 @@ export class Blockchain { } public async cancelOrderAsync(signedOrder: SignedOrder, cancelTakerTokenAmount: BigNumber): Promise<BigNumber> { - const txHash = await this.zeroEx.exchange.cancelOrderAsync( + const txHash = await this._zeroEx.exchange.cancelOrderAsync( signedOrder, cancelTakerTokenAmount, ); - 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); + this._zeroEx.exchange.throwLogErrorsAsErrors(logs); const logCancel = _.find(logs, {event: ExchangeEvents.LogCancel}); const args = logCancel.args as any as LogCancelContractEventArgs; const cancelledTakerTokenAmount = args.cancelledTakerTokenAmount; @@ -332,95 +332,95 @@ export class Blockchain { } 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; + return this._exchangeAddress; } public async validateFillOrderThrowIfInvalidAsync(signedOrder: SignedOrder, fillTakerTokenAmount: BigNumber, takerAddress: string): Promise<void> { - await this.zeroEx.exchange.validateFillOrderThrowIfInvalidAsync( + await this._zeroEx.exchange.validateFillOrderThrowIfInvalidAsync( signedOrder, fillTakerTokenAmount, takerAddress); } public async validateCancelOrderThrowIfInvalidAsync(order: Order, cancelTakerTokenAmount: BigNumber): Promise<void> { - await this.zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(order, cancelTakerTokenAmount); + 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.UserHasNoAssociatedAddresses); + 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 = intervalUtils.setAsyncExcludingInterval(async () => { - const [balance] = await this.getTokenBalanceAndAllowanceAsync(this.userAddress, token.address); + this._zrxPollIntervalId = intervalUtils.setAsyncExcludingInterval(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; + this._dispatcher.replaceTokenBalanceByAddress(token.address, balance); + clearInterval(this._zrxPollIntervalId); + delete this._zrxPollIntervalId; } }, 5000); } 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.UserHasNoAssociatedAddresses); + 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(etherTokenAddress: string, amount: BigNumber): Promise<void> { - utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.'); - utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses); + utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.'); + utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses); - const txHash = await this.zeroEx.etherToken.depositAsync(etherTokenAddress, 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(etherTokenAddress: string, amount: BigNumber): Promise<void> { - utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.'); - utils.assert(this.doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses); + utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.'); + utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses); - const txHash = await this.zeroEx.etherToken.withdrawAsync(etherTokenAddress, 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); + 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.'); + utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.'); if (_.isEmpty(ownerAddress)) { const zero = new BigNumber(0); @@ -428,9 +428,9 @@ 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]; } @@ -439,11 +439,11 @@ export class Blockchain { for (const token of tokens) { let balance = new BigNumber(0); let allowance = new BigNumber(0); - if (this.doesUserAddressExist()) { + if (this._doesUserAddressExist()) { [ balance, allowance, - ] = await this.getTokenBalanceAndAllowanceAsync(this.userAddress, token.address); + ] = await this.getTokenBalanceAndAllowanceAsync(this._userAddress, token.address); } const tokenState = { balance, @@ -451,61 +451,61 @@ 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(); - this.stopWatchingExchangeLogFillEvents(); + clearInterval(this._zrxPollIntervalId); + this._web3Wrapper.destroy(); + this._stopWatchingExchangeLogFillEvents(); } - private async showEtherScanLinkAndAwaitTransactionMinedAsync( + private async _showEtherScanLinkAndAwaitTransactionMinedAsync( txHash: string): Promise<TransactionReceiptWithDecodedLogs> { const etherScanLinkIfExists = utils.getEtherScanLinkIfExists(txHash, this.networkId, EtherscanLinkSuffixes.Tx); - this.dispatcher.showFlashMessage(React.createElement(TransactionSubmitted, { + this._dispatcher.showFlashMessage(React.createElement(TransactionSubmitted, { etherScanLinkIfExists, })); - const receipt = await this.zeroEx.awaitTransactionMinedAsync(txHash); + 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 - this.stopWatchingExchangeLogFillEvents(); + 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.UserHasNoAssociatedAddresses); + 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 - this.zeroEx.exchange.subscribe( + this._zeroEx.exchange.subscribe( ExchangeEvents.LogFill, indexFilterValues, async (err: Error, decodedLogEvent: DecodedLogEvent<LogFillContractEventArgs>) => { if (err) { @@ -517,40 +517,40 @@ export class Blockchain { return; } else { const decodedLog = decodedLogEvent.log; - if (!this.doesLogEventInvolveUser(decodedLog)) { + if (!this._doesLogEventInvolveUser(decodedLog)) { return; // We aren't interested in the fill event } - this.updateLatestFillsBlockIfNeeded(decodedLog.blockNumber); - const fill = await this.convertDecodedLogToFillAsync(decodedLog); + this._updateLatestFillsBlockIfNeeded(decodedLog.blockNumber); + const fill = await this._convertDecodedLogToFillAsync(decodedLog); if (decodedLogEvent.isRemoved) { - tradeHistoryStorage.removeFillFromUser(this.userAddress, this.networkId, fill); + tradeHistoryStorage.removeFillFromUser(this._userAddress, this.networkId, fill); } else { - tradeHistoryStorage.addFillToUser(this.userAddress, this.networkId, fill); + tradeHistoryStorage.addFillToUser(this._userAddress, this.networkId, fill); } } }); } - private async fetchHistoricalExchangeLogFillEventsAsync(indexFilterValues: IndexedFilterValues) { - const fromBlock = tradeHistoryStorage.getFillsLatestBlock(this.userAddress, this.networkId); + 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>( + 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, @@ -567,13 +567,13 @@ 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 @@ -585,15 +585,15 @@ export class Blockchain { const blockNumberToSet = blockNumber - BLOCK_NUMBER_BACK_TRACK < 0 ? 0 : blockNumber - BLOCK_NUMBER_BACK_TRACK; - tradeHistoryStorage.setFillsLatestBlock(this.userAddress, this.networkId, blockNumberToSet); + tradeHistoryStorage.setFillsLatestBlock(this._userAddress, this.networkId, blockNumberToSet); } } - private stopWatchingExchangeLogFillEvents(): void { - 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) => { @@ -626,8 +626,8 @@ 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 @@ -645,7 +645,7 @@ export class Blockchain { } } - const provider = await Blockchain.getProviderAsync(injectedWeb3, networkIdIfExists); + const provider = await Blockchain._getProviderAsync(injectedWeb3, networkIdIfExists); const networkId = !_.isUndefined(networkIdIfExists) ? networkIdIfExists : configs.IS_MAINNET_ENABLED ? constants.NETWORK_ID_MAINNET : @@ -653,45 +653,45 @@ export class Blockchain { 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) : + Blockchain._getNameGivenProvider(injectedWeb3.currentProvider) : constants.PROVIDER_NAME_PUBLIC; - this.dispatcher.updateInjectedProviderName(providerName); + this._dispatcher.updateInjectedProviderName(providerName); } - private async fetchTokenInformationAsync() { + 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.DEFAULT_TRACKED_TOKEN_SYMBOLS, symbol => { @@ -700,7 +700,7 @@ export class Blockchain { 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 @@ -711,7 +711,7 @@ 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); @@ -720,13 +720,13 @@ export class Blockchain { _.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]; |