31 lines
1.2 KiB
Go
31 lines
1.2 KiB
Go
// Copyright 2025 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package common
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import "time"
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// CalculateETA calculates the estimated remaining time based on the
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// number of finished task, remaining task, and the time cost for finished task.
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func CalculateETA(done, left uint64, elapsed time.Duration) time.Duration {
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if done == 0 || elapsed.Milliseconds() == 0 {
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return 0
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}
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speed := float64(done) / float64(elapsed.Milliseconds())
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return time.Duration(float64(left)/speed) * time.Millisecond
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}
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