core, light: send chain events using event.Feed (#14865)

1 files changed, 24 insertions, 0 deletions

diff --git a/les/api_backend.go b/les/api_backend.go
index 7a3c2447c..1323e8864 100644
--- a/les/api_backend.go
+++ b/les/api_backend.go
@@ -124,6 +124,30 @@ func (b *LesApiBackend) TxPoolContent() (map[common.Address]types.Transactions,
 	return b.eth.txPool.Content()
 }
 
+func (b *LesApiBackend) SubscribeTxPreEvent(ch chan<- core.TxPreEvent) event.Subscription {
+	return b.eth.txPool.SubscribeTxPreEvent(ch)
+}
+
+func (b *LesApiBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
+	return b.eth.blockchain.SubscribeChainEvent(ch)
+}
+
+func (b *LesApiBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription {
+	return b.eth.blockchain.SubscribeChainHeadEvent(ch)
+}
+
+func (b *LesApiBackend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription {
+	return b.eth.blockchain.SubscribeChainSideEvent(ch)
+}
+
+func (b *LesApiBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription {
+	return b.eth.blockchain.SubscribeLogsEvent(ch)
+}
+
+func (b *LesApiBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
+	return b.eth.blockchain.SubscribeRemovedLogsEvent(ch)
+}
+
 func (b *LesApiBackend) Downloader() *downloader.Downloader {
 	return b.eth.Downloader()
 }