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package source
import (
"context"
"github.com/ethereum-optimism/optimism/op-service/eth"
"github.com/ethereum/go-ethereum/log"
)
type HeadProcessor interface {
OnNewHead(ctx context.Context, head eth.L1BlockRef)
}
type HeadProcessorFn func(ctx context.Context, head eth.L1BlockRef)
func (f HeadProcessorFn) OnNewHead(ctx context.Context, head eth.L1BlockRef) {
f(ctx, head)
}
// headUpdateProcessor handles head update events and routes them to the appropriate handlers
type headUpdateProcessor struct {
log log.Logger
unsafeProcessors []HeadProcessor
safeProcessors []HeadProcessor
finalizedProcessors []HeadProcessor
}
func newHeadUpdateProcessor(log log.Logger, unsafeProcessors []HeadProcessor, safeProcessors []HeadProcessor, finalizedProcessors []HeadProcessor) *headUpdateProcessor {
return &headUpdateProcessor{
log: log,
unsafeProcessors: unsafeProcessors,
safeProcessors: safeProcessors,
finalizedProcessors: finalizedProcessors,
}
}
func (n *headUpdateProcessor) OnNewUnsafeHead(ctx context.Context, block eth.L1BlockRef) {
n.log.Debug("New unsafe head", "block", block)
for _, processor := range n.unsafeProcessors {
processor.OnNewHead(ctx, block)
}
}
func (n *headUpdateProcessor) OnNewSafeHead(ctx context.Context, block eth.L1BlockRef) {
n.log.Debug("New safe head", "block", block)
for _, processor := range n.safeProcessors {
processor.OnNewHead(ctx, block)
}
}
func (n *headUpdateProcessor) OnNewFinalizedHead(ctx context.Context, block eth.L1BlockRef) {
n.log.Debug("New finalized head", "block", block)
for _, processor := range n.finalizedProcessors {
processor.OnNewHead(ctx, block)
}
}