github.com/annchain/OG@v0.0.9/core/confirm_status.go (about)

     1  // Copyright © 2019 Annchain Authors <EMAIL ADDRESS>
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  package core
    15  
    16  import (
    17  	"fmt"
    18  	"sync"
    19  	"time"
    20  )
    21  
    22  type ConfirmStatus struct {
    23  	TxNum       uint64
    24  	ConfirmNum  uint64
    25  	Confirm     time.Duration
    26  	mu          sync.RWMutex
    27  	initTime    time.Time
    28  	RefreshTime time.Duration
    29  }
    30  
    31  type ConfirmInfo struct {
    32  	ConfirmTime string `json:"confirm_time"`
    33  	ConfirmRate string `json:"confirm_rate"`
    34  }
    35  
    36  func (c *ConfirmStatus) AddTxNum() {
    37  	c.mu.Lock()
    38  	defer c.mu.Unlock()
    39  	if time.Since(c.initTime) > c.RefreshTime {
    40  		c.TxNum = 0
    41  		c.ConfirmNum = 0
    42  		c.Confirm = time.Duration(0)
    43  		c.initTime = time.Now()
    44  	}
    45  	c.TxNum++
    46  }
    47  
    48  func (c *ConfirmStatus) AddConfirm(d time.Duration) {
    49  	c.mu.Lock()
    50  	defer c.mu.Unlock()
    51  
    52  	c.Confirm += d
    53  	c.ConfirmNum++
    54  }
    55  
    56  func (c *ConfirmStatus) GetInfo() *ConfirmInfo {
    57  	var info = &ConfirmInfo{}
    58  	c.mu.RLock()
    59  	defer c.mu.RUnlock()
    60  
    61  	if c.TxNum != 0 {
    62  		rate := float64(c.ConfirmNum*100) / float64(c.TxNum)
    63  		if rate == 1 {
    64  			info.ConfirmRate = "100%"
    65  		} else if rate < 98 {
    66  			info.ConfirmRate = fmt.Sprintf("%2d", int(rate)) + "%"
    67  		} else {
    68  			info.ConfirmRate = fmt.Sprintf("%3f", rate) + "%"
    69  		}
    70  	}
    71  	if c.ConfirmNum != 0 {
    72  		info.ConfirmTime = (c.Confirm / time.Duration(c.ConfirmNum)).String()
    73  	}
    74  	return info
    75  }