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authorBrandon Millman <brandon.millman@gmail.com>2018-04-18 11:19:31 +0800
committerBrandon Millman <brandon.millman@gmail.com>2018-04-18 12:30:52 +0800
commit39c0064ffb73b8cb0b0b350e13bd7afec69e7e7e (patch)
tree1d0a6ccb91995e4a81662005c8b5f7d23e6034f3 /packages
parent12d5c35d143fdf2cf15b7f689c75a7ada13227aa (diff)
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Add price information to wallet
Diffstat (limited to 'packages')
-rw-r--r--packages/website/ts/components/wallet/wallet.tsx112
-rw-r--r--packages/website/ts/types.ts7
2 files changed, 80 insertions, 39 deletions
diff --git a/packages/website/ts/components/wallet/wallet.tsx b/packages/website/ts/components/wallet/wallet.tsx
index d3dc8e3dd..8c9e3be0f 100644
--- a/packages/website/ts/components/wallet/wallet.tsx
+++ b/packages/website/ts/components/wallet/wallet.tsx
@@ -28,6 +28,7 @@ import { Dispatcher } from 'ts/redux/dispatcher';
import {
BalanceErrs,
BlockchainErrs,
+ ItemByAddress,
ProviderType,
Side,
Token,
@@ -35,6 +36,7 @@ import {
TokenState,
TokenStateByAddress,
} from 'ts/types';
+import { configs } from 'ts/utils/configs';
import { constants } from 'ts/utils/constants';
import { utils } from 'ts/utils/utils';
import { styles as walletItemStyles } from 'ts/utils/wallet_item_styles';
@@ -70,6 +72,11 @@ interface AccessoryItemConfig {
allowanceToggleConfig?: AllowanceToggleConfig;
}
+interface WebsiteBackendPriceInfo {
+ price: string;
+ address: string;
+}
+
const styles: Styles = {
root: {
width: 346,
@@ -125,13 +132,15 @@ const HEADER_ITEM_KEY = 'HEADER';
const FOOTER_ITEM_KEY = 'FOOTER';
const DISCONNECTED_ITEM_KEY = 'DISCONNECTED';
const ETHER_ITEM_KEY = 'ETHER';
+const USD_DECIMAL_PLACES = 2;
export class Wallet extends React.Component<WalletProps, WalletState> {
private _isUnmounted: boolean;
constructor(props: WalletProps) {
super(props);
this._isUnmounted = false;
- const initialTrackedTokenStateByAddress = this._getInitialTrackedTokenStateByAddress(props.trackedTokens);
+ const trackedTokenAddresses = _.map(props.trackedTokens, token => token.address);
+ const initialTrackedTokenStateByAddress = this._getInitialTrackedTokenStateByAddress(trackedTokenAddresses);
this.state = {
trackedTokenStateByAddress: initialTrackedTokenStateByAddress,
wrappedEtherDirection: undefined,
@@ -161,13 +170,8 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
// Add placeholder entry for this token to the state, since fetching the
// balance/allowance is asynchronous
const trackedTokenStateByAddress = this.state.trackedTokenStateByAddress;
- _.each(newTokenAddresses, (tokenAddress: string) => {
- trackedTokenStateByAddress[tokenAddress] = {
- balance: new BigNumber(0),
- allowance: new BigNumber(0),
- isLoaded: false,
- };
- });
+ const initialTrackedTokenStateByAddress = this._getInitialTrackedTokenStateByAddress(newTokenAddresses);
+ _.assign(trackedTokenStateByAddress, initialTrackedTokenStateByAddress);
this.setState({
trackedTokenStateByAddress,
});
@@ -241,6 +245,13 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
constants.DECIMAL_PLACES_ETH,
ETHER_SYMBOL,
);
+ const etherToken = this._getEthToken();
+ const etherPrice = this.state.trackedTokenStateByAddress[etherToken.address].price;
+ const secondaryText = this._renderValue(
+ this.props.userEtherBalanceInWei,
+ constants.DECIMAL_PLACES_ETH,
+ etherPrice,
+ );
const accessoryItemConfig = {
wrappedEtherDirection: Side.Deposit,
};
@@ -250,11 +261,11 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
const style = isInWrappedEtherState
? { ...walletItemStyles.focusedItem, ...styles.paddedItem }
: { ...styles.tokenItem, ...styles.borderedItem, ...styles.paddedItem };
- const etherToken = this._getEthToken();
return (
<div key={ETHER_ITEM_KEY}>
<ListItem
primaryText={primaryText}
+ secondaryText={secondaryText}
leftIcon={<img style={{ width: ICON_DIMENSION, height: ICON_DIMENSION }} src={ETHER_ICON_PATH} />}
rightAvatar={this._renderAccessoryItems(accessoryItemConfig)}
disableTouchRipple={true}
@@ -294,7 +305,8 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
this.props.networkId,
EtherscanLinkSuffixes.Address,
);
- const amount = this._renderAmount(tokenState.balance, token.decimals, token.symbol);
+ const primaryText = this._renderAmount(tokenState.balance, token.decimals, token.symbol);
+ const secondaryText = this._renderValue(tokenState.balance, token.decimals, tokenState.price);
const wrappedEtherDirection = token.symbol === ETHER_TOKEN_SYMBOL ? Side.Receive : undefined;
const accessoryItemConfig: AccessoryItemConfig = {
wrappedEtherDirection,
@@ -313,7 +325,8 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
return (
<div key={token.address}>
<ListItem
- primaryText={amount}
+ primaryText={primaryText}
+ secondaryText={secondaryText}
leftIcon={this._renderTokenIcon(token, tokenLink)}
rightAvatar={this._renderAccessoryItems(accessoryItemConfig)}
disableTouchRipple={true}
@@ -374,6 +387,16 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
const result = `${formattedAmount} ${symbol}`;
return <div style={styles.amountLabel}>{result}</div>;
}
+ private _renderValue(amount: BigNumber, decimals: number, price?: BigNumber) {
+ if (_.isUndefined(price)) {
+ return null;
+ }
+ const unitAmount = ZeroEx.toUnitAmount(amount, decimals);
+ const value = unitAmount.mul(price);
+ const formattedAmount = value.toFixed(USD_DECIMAL_PLACES);
+ const result = `$${formattedAmount}`;
+ return result;
+ }
private _renderTokenIcon(token: Token, tokenLink?: string) {
const tooltipId = `tooltip-${token.address}`;
const tokenIcon = <TokenIcon token={token} diameter={ICON_DIMENSION} />;
@@ -422,10 +445,10 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
/>
);
}
- private _getInitialTrackedTokenStateByAddress(trackedTokens: Token[]) {
+ private _getInitialTrackedTokenStateByAddress(tokenAddresses: string[]) {
const trackedTokenStateByAddress: TokenStateByAddress = {};
- _.each(trackedTokens, token => {
- trackedTokenStateByAddress[token.address] = {
+ _.each(tokenAddresses, tokenAddress => {
+ trackedTokenStateByAddress[tokenAddress] = {
balance: new BigNumber(0),
allowance: new BigNumber(0),
isLoaded: false,
@@ -434,19 +457,32 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
return trackedTokenStateByAddress;
}
private async _fetchBalancesAndAllowancesAsync(tokenAddresses: string[]) {
- const trackedTokenStateByAddress = this.state.trackedTokenStateByAddress;
+ const balanceAndAllowanceTupleByAddress: ItemByAddress<BigNumber[]> = {};
const userAddressIfExists = _.isEmpty(this.props.userAddress) ? undefined : this.props.userAddress;
for (const tokenAddress of tokenAddresses) {
- const [balance, allowance] = await this.props.blockchain.getTokenBalanceAndAllowanceAsync(
+ const balanceAndAllowanceTuple = await this.props.blockchain.getTokenBalanceAndAllowanceAsync(
userAddressIfExists,
tokenAddress,
);
- trackedTokenStateByAddress[tokenAddress] = {
- balance,
- allowance,
- isLoaded: true,
- };
+ balanceAndAllowanceTupleByAddress[tokenAddress] = balanceAndAllowanceTuple;
}
+ const pricesByAddress = await this._getPricesByAddressAsync(tokenAddresses);
+ const trackedTokenStateByAddress = _.reduce(
+ tokenAddresses,
+ (acc, address) => {
+ const [balance, allowance] = balanceAndAllowanceTupleByAddress[address];
+ const price = pricesByAddress[address];
+ acc[address] = {
+ balance,
+ allowance,
+ price,
+ isLoaded: true,
+ };
+ return acc;
+ },
+ this.state.trackedTokenStateByAddress,
+ );
+
if (!this._isUnmounted) {
this.setState({
trackedTokenStateByAddress,
@@ -454,21 +490,23 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
}
}
private async _refetchTokenStateAsync(tokenAddress: string) {
- const userAddressIfExists = _.isEmpty(this.props.userAddress) ? undefined : this.props.userAddress;
- const [balance, allowance] = await this.props.blockchain.getTokenBalanceAndAllowanceAsync(
- userAddressIfExists,
- tokenAddress,
- );
- this.setState({
- trackedTokenStateByAddress: {
- ...this.state.trackedTokenStateByAddress,
- [tokenAddress]: {
- balance,
- allowance,
- isLoaded: true,
- },
- },
- });
+ await this._fetchBalancesAndAllowancesAsync([tokenAddress]);
+ }
+ private async _getPricesByAddressAsync(tokenAddresses: string[]): Promise<ItemByAddress<BigNumber>> {
+ if (_.isEmpty(tokenAddresses)) {
+ return {};
+ }
+ const tokenAddressesQueryString = tokenAddresses.join(',');
+ const endpoint = `${configs.BACKEND_BASE_URL}/prices?tokens=${tokenAddressesQueryString}`;
+ const response = await fetch(endpoint);
+ if (response.status !== 200) {
+ return {};
+ }
+ const websiteBackendPriceInfos: WebsiteBackendPriceInfo[] = await response.json();
+ const addresses = _.map(websiteBackendPriceInfos, info => info.address);
+ const prices = _.map(websiteBackendPriceInfos, info => new BigNumber(info.price));
+ const pricesByAddress = _.zipObject(addresses, prices);
+ return pricesByAddress;
}
private _openWrappedEtherActionRow(wrappedEtherDirection: Side) {
this.setState({
@@ -485,4 +523,4 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
const etherToken = _.find(tokens, { symbol: ETHER_TOKEN_SYMBOL });
return etherToken;
}
-}
+} // tslint:disable:max-file-line-count
diff --git a/packages/website/ts/types.ts b/packages/website/ts/types.ts
index 2126c5c7b..989c0a032 100644
--- a/packages/website/ts/types.ts
+++ b/packages/website/ts/types.ts
@@ -487,14 +487,17 @@ export interface OutdatedWrappedEtherByNetworkId {
};
}
-export interface TokenStateByAddress {
- [address: string]: TokenState;
+export interface ItemByAddress<T> {
+ [address: string]: T;
}
+export type TokenStateByAddress = ItemByAddress<TokenState>;
+
export interface TokenState {
balance: BigNumber;
allowance: BigNumber;
isLoaded: boolean;
+ price?: BigNumber;
}
export interface RelayerInfo {