mirror of https://github.com/poanetwork/gecko.git
76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package snowman
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import (
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"sort"
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"github.com/ava-labs/gecko/ids"
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"github.com/ava-labs/gecko/snow/choices"
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"github.com/ava-labs/gecko/snow/consensus/snowman"
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)
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var (
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Genesis = GenerateID()
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offset = uint64(0)
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)
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func GenerateID() ids.ID {
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offset++
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return ids.Empty.Prefix(offset)
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}
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type Blk struct {
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parent snowman.Block
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id ids.ID
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height int
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status choices.Status
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bytes []byte
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}
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func (b *Blk) ID() ids.ID { return b.id }
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func (b *Blk) Parent() snowman.Block { return b.parent }
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func (b *Blk) Accept() { b.status = choices.Accepted }
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func (b *Blk) Reject() { b.status = choices.Rejected }
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func (b *Blk) Status() choices.Status { return b.status }
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func (b *Blk) Verify() error { return nil }
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func (b *Blk) Bytes() []byte { return b.bytes }
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type sortBks []*Blk
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func (sb sortBks) Less(i, j int) bool { return sb[i].height < sb[j].height }
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func (sb sortBks) Len() int { return len(sb) }
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func (sb sortBks) Swap(i, j int) { sb[j], sb[i] = sb[i], sb[j] }
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func SortBks(bks []*Blk) { sort.Sort(sortBks(bks)) }
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func Matches(a, b []ids.ID) bool {
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if len(a) != len(b) {
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return false
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}
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set := ids.Set{}
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set.Add(a...)
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for _, id := range b {
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if !set.Contains(id) {
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return false
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}
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}
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return true
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}
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func MatchesShort(a, b []ids.ShortID) bool {
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if len(a) != len(b) {
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return false
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}
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set := ids.ShortSet{}
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set.Add(a...)
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for _, id := range b {
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if !set.Contains(id) {
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return false
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}
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}
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return true
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}
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