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rejector.go
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rejector.go
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// Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package executor
import (
"go.uber.org/zap"
"github.com/ava-labs/avalanchego/vms/platformvm/block"
)
var _ block.Visitor = (*rejector)(nil)
// rejector handles the logic for rejecting a block.
// All errors returned by this struct are fatal and should result in the chain
// being shutdown.
type rejector struct {
*backend
addTxsToMempool bool
}
func (r *rejector) BanffAbortBlock(b *block.BanffAbortBlock) error {
return r.rejectBlock(b, "banff abort")
}
func (r *rejector) BanffCommitBlock(b *block.BanffCommitBlock) error {
return r.rejectBlock(b, "banff commit")
}
func (r *rejector) BanffProposalBlock(b *block.BanffProposalBlock) error {
return r.rejectBlock(b, "banff proposal")
}
func (r *rejector) BanffStandardBlock(b *block.BanffStandardBlock) error {
return r.rejectBlock(b, "banff standard")
}
func (r *rejector) ApricotAbortBlock(b *block.ApricotAbortBlock) error {
return r.rejectBlock(b, "apricot abort")
}
func (r *rejector) ApricotCommitBlock(b *block.ApricotCommitBlock) error {
return r.rejectBlock(b, "apricot commit")
}
func (r *rejector) ApricotProposalBlock(b *block.ApricotProposalBlock) error {
return r.rejectBlock(b, "apricot proposal")
}
func (r *rejector) ApricotStandardBlock(b *block.ApricotStandardBlock) error {
return r.rejectBlock(b, "apricot standard")
}
func (r *rejector) ApricotAtomicBlock(b *block.ApricotAtomicBlock) error {
return r.rejectBlock(b, "apricot atomic")
}
func (r *rejector) rejectBlock(b block.Block, blockType string) error {
blkID := b.ID()
defer r.free(blkID)
r.ctx.Log.Verbo(
"rejecting block",
zap.String("blockType", blockType),
zap.Stringer("blkID", blkID),
zap.Uint64("height", b.Height()),
zap.Stringer("parentID", b.Parent()),
)
if !r.addTxsToMempool {
return nil
}
for _, tx := range b.Txs() {
if err := r.Mempool.Add(tx); err != nil {
r.ctx.Log.Debug(
"failed to reissue tx",
zap.Stringer("txID", tx.ID()),
zap.Stringer("blkID", blkID),
zap.Error(err),
)
}
}
r.Mempool.RequestBuildBlock(false /*=emptyBlockPermitted*/)
return nil
}