/
client.go
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/
client.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"
"net/http"
"time"
"github.com/maicoin/max-exchange-api-go/api"
)
func NewClient(opts ...ClientOption) *client {
c := &client{
requestTimeout: 10 * time.Second,
cfg: api.NewConfiguration(),
middlewares: make([]middleware, 0),
stopCh: make(chan struct{}),
}
for _, opt := range opts {
opt(c)
}
c.c = api.NewAPIClient(c.config())
go timeCalibrater(c, 1*time.Hour)
return c
}
func (c *client) Close() {
close(c.stopCh)
}
// Interface check
var _ PublicAPI = &publicClient{}
var _ PrivateAPI = &privateClient{}
type client struct {
c *api.APIClient
requestTimeout time.Duration
middlewares []middleware
stopCh chan struct{}
timeDiff time.Duration
cfg *api.Configuration
timeCalibrater *time.Ticker
}
type middleware func(http.RoundTripper) http.RoundTripper
func (c *client) config() *api.Configuration {
s := http.DefaultTransport
for _, m := range c.middlewares {
s = m(s)
}
c.cfg.HTTPClient = http.DefaultClient
c.cfg.HTTPClient.Transport = s
c.cfg.HTTPClient.Timeout = c.requestTimeout
return c.cfg
}
func timeCalibrater(c *client, period time.Duration) {
ticker := time.NewTicker(period)
defer ticker.Stop()
for {
select {
case <-ticker.C:
t, err := c.Time(context.Background())
if err != nil {
continue
}
c.timeDiff = t.Sub(time.Now())
case <-c.stopCh:
return
}
}
}