ipld-eth-server/pkg/history/validation_window.go
Rob Mulholand a683e45855 Consolidate test doubles
- Migrate various mocks of core namespaces to shared version in `fakes` pkg
- Err on the side of making test doubles less sophisticated
- Don't pull over mocks of namespaces that are only used in example code
2018-07-20 11:37:46 -05:00

42 lines
943 B
Go

package history
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"io"
"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
}
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 MakeRange(min, max int64) []int64 {
a := make([]int64, max-min+1)
for i := range a {
a[i] = min + int64(i)
}
return a
}
func (window ValidationWindow) Log(out io.Writer) {
ParsedWindowTemplate.Execute(out, window)
}