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lpwinning: select lowest epoch task id for mining task

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This commit is contained in:
Łukasz Magiera 2023-11-11 12:44:36 +01:00
parent 339e062975
commit 30cf227ef5
1 changed files with 17 additions and 1 deletions
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18
provider/lpwinning/winning_task.go
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@ -398,7 +398,23 @@ func (t *WinPostTask) CanAccept(ids []harmonytask.TaskID, engine *harmonytask.Ta
return nil, nil
}
return &ids[0], nil
// select lowest epoch
var lowestEpoch abi.ChainEpoch
var lowestEpochID = ids[0]
for _, id := range ids {
var epoch uint64
err := t.db.QueryRow(context.Background(), `SELECT epoch FROM mining_tasks WHERE task_id = $1`, id).Scan(&epoch)
if err != nil {
return nil, err
}
if lowestEpoch == 0 || abi.ChainEpoch(epoch) < lowestEpoch {
lowestEpoch = abi.ChainEpoch(epoch)
lowestEpochID = id
}
}
return &lowestEpochID, nil
}
func (t *WinPostTask) TypeDetails() harmonytask.TaskTypeDetails {