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Improve I/O error propagation

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This commit is contained in:
Edvard
2019-02-14 16:03:57 +01:00
parent f1d6e417fe
commit 6cd4e5ea95
18 changed files with 180 additions and 98 deletions
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pkg/history/validation_window.go
+9 -12
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@@ -18,17 +18,10 @@ package history
import (
"fmt"
log "github.com/sirupsen/logrus"
"github.com/vulcanize/vulcanizedb/pkg/core"
"text/template"
)
const WindowTemplate = `Validating Blocks
|{{.LowerBound}}|-- Validation Window --|{{.UpperBound}}| ({{.UpperBound}}:HEAD)
`
var ParsedWindowTemplate = *template.Must(template.New("window").Parse(WindowTemplate))
type ValidationWindow struct {
LowerBound int64
UpperBound int64
@@ -38,10 +31,14 @@ func (window ValidationWindow) Size() int {
return int(window.UpperBound - window.LowerBound)
}
func MakeValidationWindow(blockchain core.BlockChain, windowSize int) ValidationWindow {
upperBound := blockchain.LastBlock().Int64()
lowerBound := upperBound - int64(windowSize)
return ValidationWindow{lowerBound, upperBound}
func MakeValidationWindow(blockchain core.BlockChain, windowSize int) (ValidationWindow, error) {
upperBound, err := blockchain.LastBlock()
if err != nil {
log.Error("MakeValidationWindow: error getting LastBlock: ", err)
return ValidationWindow{}, err
}
lowerBound := upperBound.Int64() - int64(windowSize)
return ValidationWindow{lowerBound, upperBound.Int64()}, nil
}
func MakeRange(min, max int64) []int64 {