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import { SignedOrder } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
export interface Client {
getTokenPairsAsync: (requestOpts?: TokenPairsRequestOpts & PagedRequestOpts) => Promise<TokenPairsItem[]>;
getOrdersAsync: (requestOpts?: OrdersRequestOpts & PagedRequestOpts) => Promise<SignedOrder[]>;
getOrderAsync: (orderHash: string) => Promise<SignedOrder>;
getOrderbookAsync: (request: OrderbookRequest, requestOpts?: PagedRequestOpts) => Promise<OrderbookResponse>;
getFeesAsync: (request: FeesRequest) => Promise<FeesResponse>;
submitOrderAsync: (signedOrder: SignedOrder) => Promise<void>;
}
export interface OrderbookChannel {
subscribe: (subscriptionOpts: OrderbookChannelSubscriptionOpts, handler: OrderbookChannelHandler) => void;
close: () => void;
}
/**
* baseTokenAddress: The address of token designated as the baseToken in the currency pair calculation of price
* quoteTokenAddress: The address of token designated as the quoteToken in the currency pair calculation of price
* snapshot: If true, a snapshot of the orderbook will be sent before the updates to the orderbook
* limit: Maximum number of bids and asks in orderbook snapshot
*/
export interface OrderbookChannelSubscriptionOpts {
baseTokenAddress: string;
quoteTokenAddress: string;
snapshot: boolean;
limit: number;
}
export interface OrderbookChannelHandler {
onSnapshot: (
channel: OrderbookChannel,
subscriptionOpts: OrderbookChannelSubscriptionOpts,
snapshot: OrderbookResponse,
) => void;
onUpdate: (
channel: OrderbookChannel,
subscriptionOpts: OrderbookChannelSubscriptionOpts,
order: SignedOrder,
) => void;
onError: (channel: OrderbookChannel, subscriptionOpts: OrderbookChannelSubscriptionOpts, err: Error) => void;
onClose: (channel: OrderbookChannel, subscriptionOpts: OrderbookChannelSubscriptionOpts) => void;
}
export type OrderbookChannelMessage =
| SnapshotOrderbookChannelMessage
| UpdateOrderbookChannelMessage
| UnknownOrderbookChannelMessage;
export enum OrderbookChannelMessageTypes {
Snapshot = 'snapshot',
Update = 'update',
Unknown = 'unknown',
}
export interface SnapshotOrderbookChannelMessage {
type: OrderbookChannelMessageTypes.Snapshot;
requestId: number;
payload: OrderbookResponse;
}
export interface UpdateOrderbookChannelMessage {
type: OrderbookChannelMessageTypes.Update;
requestId: number;
payload: SignedOrder;
}
export interface UnknownOrderbookChannelMessage {
type: OrderbookChannelMessageTypes.Unknown;
requestId: number;
payload: undefined;
}
export enum WebsocketConnectionEventType {
Close = 'close',
Error = 'error',
Message = 'message',
}
export enum WebsocketClientEventType {
Connect = 'connect',
ConnectFailed = 'connectFailed',
}
export interface TokenPairsRequestOpts {
tokenA?: string;
tokenB?: string;
}
export interface TokenPairsItem {
tokenA: TokenTradeInfo;
tokenB: TokenTradeInfo;
}
export interface TokenTradeInfo {
address: string;
minAmount: BigNumber;
maxAmount: BigNumber;
precision: number;
}
export interface OrdersRequestOpts {
exchangeContractAddress?: string;
tokenAddress?: string;
makerTokenAddress?: string;
takerTokenAddress?: string;
maker?: string;
taker?: string;
trader?: string;
feeRecipient?: string;
}
export interface OrderbookRequest {
baseTokenAddress: string;
quoteTokenAddress: string;
}
export interface OrderbookResponse {
bids: SignedOrder[];
asks: SignedOrder[];
}
export interface FeesRequest {
exchangeContractAddress: string;
maker: string;
taker: string;
makerTokenAddress: string;
takerTokenAddress: string;
makerTokenAmount: BigNumber;
takerTokenAmount: BigNumber;
expirationUnixTimestampSec: BigNumber;
salt: BigNumber;
}
export interface FeesResponse {
feeRecipient: string;
makerFee: BigNumber;
takerFee: BigNumber;
}
export interface PagedRequestOpts {
page?: number;
perPage?: number;
}
export interface HttpRequestOptions {
params?: object;
payload?: object;
}
export enum HttpRequestType {
Get = 'GET',
Post = 'POST',
}
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