56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero 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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// This program 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 Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package history
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import (
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"fmt"
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log "github.com/sirupsen/logrus"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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)
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type ValidationWindow struct {
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LowerBound int64
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UpperBound int64
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}
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func (window ValidationWindow) Size() int {
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return int(window.UpperBound - window.LowerBound)
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}
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func MakeValidationWindow(blockchain core.BlockChain, windowSize int) (ValidationWindow, error) {
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upperBound, err := blockchain.LastBlock()
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if err != nil {
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log.Error("MakeValidationWindow: error getting LastBlock: ", err)
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return ValidationWindow{}, err
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}
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lowerBound := upperBound.Int64() - int64(windowSize)
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return ValidationWindow{lowerBound, upperBound.Int64()}, nil
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}
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func MakeRange(min, max int64) []int64 {
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a := make([]int64, max-min+1)
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for i := range a {
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a[i] = min + int64(i)
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}
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return a
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}
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func (window ValidationWindow) GetString() string {
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return fmt.Sprintf("Validating Blocks |%v|-- Validation Window --|%v}|",
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window.LowerBound, window.UpperBound)
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}
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