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trade.go
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trade.go
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package mt5client
import (
"errors"
"fmt"
"strconv"
"time"
)
func (p *Pool) Balance(login string, opType uint8, balance float64, comment string) (uint64, error) {
cb := make(chan *ClientResponse)
defer close(cb)
p.log.Debugf("MT5 BALANCE REQUEST: login=%s type=%d balance=%f", login, opType, balance)
p.getClient().controlCh <- &ClientControlMessage{
Cmd: &MT5Command{
Name: MT5CommandTradeBalance,
Params: map[string]string{
"LOGIN": login,
"TYPE": fmt.Sprintf("%d", opType),
"BALANCE": fmt.Sprintf("%f", balance),
"COMMENT": comment,
},
},
Cb: cb,
}
select {
case resp := <-cb:
if resp.Err != nil {
return 0, resp.Err
}
return resp.Response.(uint64), resp.Err
case <-time.After(time.Duration(p.cfg.MT5RequestTimeout) * time.Second):
break
}
return 0, errors.New("timeout expired")
}
func (c *MT5Client) balance(m *ClientControlMessage) {
req, body, err := c.makeRequest(m.Cmd)
if err != nil {
safeSend(m.Cb, &ClientResponse{Cmd: m.Cmd, Err: err})
return
}
c.log.Debugf("#%d %s header: %s body: %s", c.clientId, m.Cmd.Name, req[:MT5HeaderLength], body)
cmd, err := c.sendRequest(req)
if err != nil {
safeSend(m.Cb, &ClientResponse{Cmd: m.Cmd, Err: err})
return
}
if cmd.Params[MT5RetCode] != MT5RetCodeSuccess {
safeSend(m.Cb, &ClientResponse{Cmd: m.Cmd, Err: fmt.Errorf("%s retcode error: %s", m.Cmd.Name, cmd.Params[MT5RetCode])})
return
}
c.log.Debugf("#%d %s response: %+v", c.clientId, cmd.Name, cmd.Params)
ticket, err := strconv.ParseUint(cmd.Params["TICKET"], 10, 64)
safeSend(m.Cb, &ClientResponse{
Cmd: m.Cmd,
Response: ticket,
Err: err,
})
}