/
public_api.go
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/
public_api.go
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// Copyright 2018 MaiCoin Technologies
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package max
import (
"context"
"encoding/json"
"time"
"github.com/maicoin/max-exchange-api-go/models"
)
type publicClient = client
// Markets returns available markets on MAX.
//
// Available `CallOption`:
//
func (c *publicClient) Markets(ctx context.Context, opts ...CallOption) (results []*models.Market, err error) {
markets, _, err := c.c.PublicApi.GetApiV2Markets(ctx)
for _, m := range markets {
m := m
results = append(results, &m)
}
return results, err
}
// Markets returns available currencies on MAX.
//
// Available `CallOption`:
//
func (c *publicClient) Currencies(ctx context.Context, opts ...CallOption) (results []*models.Currency, err error) {
currencies, _, err := c.c.PublicApi.GetApiV2Currencies(ctx)
for _, c := range currencies {
c := c
results = append(results, &c)
}
return results, err
}
// Ticker returns a ticker of specific market.
//
// Available `CallOption`:
//
func (c *publicClient) Ticker(ctx context.Context, market string, opts ...CallOption) (*models.Ticker, error) {
ticker, _, err := c.c.PublicApi.GetApiV2TickersMarket(ctx, market)
if err != nil {
return nil, err
}
return tmpTicker(ticker).Ticker()
}
// Tickers returns tickers of all markets.
//
// Available `CallOption`:
//
func (c *publicClient) Tickers(ctx context.Context, opts ...CallOption) (models.Tickers, error) {
tickers, _, err := c.c.PublicApi.GetApiV2Tickers(ctx)
if err != nil {
return nil, err
}
tt := tmpTickers{}
err = mapStruct(tickers, &tt)
if err != nil {
return nil, err
}
return tt.Tickers()
}
// OrderBook returns order books of specific market.
//
// Available `CallOption`:
// AsksLimit(): returned sell orders limit, default to 20
// BidsLimit(): returned buy orders limit, default to 20
func (c *publicClient) OrderBook(ctx context.Context, market string, opts ...CallOption) (*models.OrderBook, error) {
o := defaultOptions()
for _, opt := range opts {
opt(o)
}
orderbook, _, err := c.c.PublicApi.GetApiV2OrderBook(ctx, market, o)
return &orderbook, err
}
// Depth returns depth of specific market.
//
// Available `CallOption`:
// Limit(): returned price levels limit, default to 300
func (c *publicClient) Depth(ctx context.Context, market string, opts ...CallOption) (*models.Depth, error) {
o := defaultOptions()
for _, opt := range opts {
opt(o)
}
resp, err := c.c.PublicApi.GetApiV2Depth(ctx, market, o)
if err != nil {
return nil, err
}
defer resp.Body.Close()
depth := &depthJSON{}
err = json.NewDecoder(resp.Body).Decode(&depth)
if err != nil {
return nil, err
}
return depth.Depth()
}
// Trades returns recent trades on market.
//
// Available `CallOption`:
// Timestamp(): the seconds elapsed since Unix epoch, set to return trades executed before the time only
// Time(): the time in Go format, set to return trades executed before the time only
// From(): trade id, set ot return trades created after the trade
// To(): trade id, set to return trades created before the trade
// OrderDesc(): use descending order by created time, default value
// OrderAsc(): use ascending order by created time
// Pagination(): do pagination & return metadata in header (default true)
// Page(): page number, applied for pagination (default 1)
// Limit(): returned limit (1~1000, default 50)
// Offset(): records to skip, not applied for pagination (default 0)
func (c *publicClient) Trades(ctx context.Context, market string, opts ...CallOption) (results []*models.Trade, err error) {
o := defaultOptions()
for _, opt := range opts {
opt(o)
}
trades, _, err := c.c.PublicApi.GetApiV2Trades(ctx, market, o)
for _, t := range trades {
t := t
results = append(results, &t)
}
return results, err
}
// K returns OHLC chart of specific market.
//
// Available `CallOption`:
// Timestamp(): the seconds elapsed since Unix epoch, set to return data after the timestamp only
// Time(): the time in Go format, set to return data after the time only
// Period(): time period of K line in minute, default to 1
// PeriodDuration(): time period of K line in time.Duration format, default to 1*time.Minute
// Limit(): returned data points limit, default to 30
func (c *publicClient) K(ctx context.Context, market string, opts ...CallOption) ([]*models.Candle, error) {
o := defaultOptions()
for _, opt := range opts {
opt(o)
}
resp, err := c.c.PublicApi.GetApiV2K(ctx, market, o)
if err != nil {
return nil, err
}
defer resp.Body.Close()
candles := candlesJSON{}
err = json.NewDecoder(resp.Body).Decode(&candles)
if err != nil {
return nil, err
}
return candles.Candles()
}
// Time returns current sever time.
//
// Available `CallOption`:
//
func (c *publicClient) Time(ctx context.Context, opts ...CallOption) (time.Time, error) {
resp, err := c.c.PublicApi.GetApiV2Timestamp(ctx)
if err != nil {
return time.Time{}, err
}
defer resp.Body.Close()
var t int64
err = json.NewDecoder(resp.Body).Decode(&t)
if err != nil {
return time.Time{}, err
}
return time.Unix(t, 0), nil
}