50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
// VulcanizeDB
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// Copyright © 2018 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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log "github.com/sirupsen/logrus"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore"
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)
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type HeaderValidator struct {
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blockChain core.BlockChain
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headerRepository datastore.HeaderRepository
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windowSize int
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}
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func NewHeaderValidator(blockChain core.BlockChain, repository datastore.HeaderRepository, windowSize int) HeaderValidator {
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return HeaderValidator{
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blockChain: blockChain,
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headerRepository: repository,
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windowSize: windowSize,
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}
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}
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func (validator HeaderValidator) ValidateHeaders() (ValidationWindow, error) {
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window := MakeValidationWindow(validator.blockChain, validator.windowSize)
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blockNumbers := MakeRange(window.LowerBound, window.UpperBound)
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_, err := RetrieveAndUpdateHeaders(validator.blockChain, validator.headerRepository, blockNumbers)
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if err != nil {
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log.Error("Error in ValidateHeaders: ", err)
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return ValidationWindow{}, err
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}
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return window, nil
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}
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