ipld-eth-server/pkg/history/header_validator.go
Rob Mulholand 72a849a272 Update price feeds if header changed by validator
- currently not validating price feeds if the underlying header already exists
  and is valid, since price feeds should have been added when initial header
  was added
2018-08-16 11:22:16 -05:00

31 lines
1.0 KiB
Go

package history
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore"
"github.com/vulcanize/vulcanizedb/pkg/transformers"
)
type HeaderValidator struct {
blockChain core.BlockChain
headerRepository datastore.HeaderRepository
windowSize int
transformers []transformers.Transformer
}
func NewHeaderValidator(blockChain core.BlockChain, repository datastore.HeaderRepository, windowSize int, transformers []transformers.Transformer) HeaderValidator {
return HeaderValidator{
blockChain: blockChain,
headerRepository: repository,
windowSize: windowSize,
transformers: transformers,
}
}
func (validator HeaderValidator) ValidateHeaders() ValidationWindow {
window := MakeValidationWindow(validator.blockChain, validator.windowSize)
blockNumbers := MakeRange(window.LowerBound, window.UpperBound)
RetrieveAndUpdateHeaders(validator.blockChain, validator.headerRepository, blockNumbers, validator.transformers)
return window
}