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startsync.go
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startsync.go
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// Package api provides API for chestnut.
package api
import (
"fmt"
"net/http"
"github.com/labstack/echo/v4"
"github.com/lixvyang/chestnut/chain"
)
type StartSyncResult struct {
GroupId string
Error string
}
func (h *Handler) StartSync(c echo.Context) (err error) {
output := make(map[string]string)
groupid := c.Param("groupid")
if groupid == "" {
output[ERROR_INFO] = "group_id can't be nil."
return c.JSON(http.StatusBadRequest, output)
}
groupmgr := chain.GetGroupMgr()
if group, ok := groupmgr.Groups[groupid]; ok {
if group.ChainCtx.Syncer.Status == chain.SYNCING_BACKWARD || group.ChainCtx.Syncer.Status == chain.SYNCING_FORWARD {
error_info := "GROUP_ALREADY_IN_SYNCING"
startSyncResult := &StartSyncResult{GroupId: group.Item.GroupId, Error: error_info}
return c.JSON(http.StatusBadRequest, startSyncResult)
} else {
err := group.StartSync()
if err == nil {
startSyncResult := &StartSyncResult{GroupId: group.Item.GroupId, Error: ""}
return c.JSON(http.StatusOK, startSyncResult)
} else {
startSyncResult := &StartSyncResult{GroupId: group.Item.GroupId, Error: err.Error()}
return c.JSON(http.StatusOK, startSyncResult)
}
}
} else {
output[ERROR_INFO] = fmt.Sprintf("Group %s not exist", groupid)
return c.JSON(http.StatusBadRequest, output)
}
}