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								// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
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								package errors
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								import (
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									"fmt"
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									"google.golang.org/grpc/codes"
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									"google.golang.org/grpc/status"
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									"path/filepath"
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									"strings"
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								)
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								// HumanError 格式化GRPC相关错误
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								func HumanError(err error, endpoints []string, configFile string) (resultErr error, isConnError bool) {
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									if err == nil {
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										return err, false
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									}
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									errStatus, ok := status.FromError(err)
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									if !ok {
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										return err, false
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									}
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									switch errStatus.Code() {
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									case codes.InvalidArgument:
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										return fmt.Errorf("错误的RPC参数:%w", err), false
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									case codes.DeadlineExceeded:
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										return fmt.Errorf("RPC操作超时,请重试:%w", err), false
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									case codes.Unimplemented:
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										return fmt.Errorf("请求的RPC服务或方法不存在,可能是没有升级API节点或者当前节点没有升级:%w", err), false
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									case codes.Unavailable:
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										return fmt.Errorf("RPC当前不可用:<br/>1、请确认当前节点的%s(<em>%s</em>)配置中的地址(<em>%s</em>)是否已填写正确;<br/>2、请确保API节点已启动,并检查当前节点和API节点之间的网络连接是正常的。<hr/>错误信息:%w", filepath.Base(configFile), configFile, strings.Join(endpoints, ", "), err), true
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									}
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									return err, false
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								}
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