eth, les, light: Refactor downloader to use blockchain interface

1 files changed, 15 insertions, 0 deletions

diff --git a/light/lightchain.go b/light/lightchain.go
index 87436f4a5..ec7ca3a0c 100644
--- a/light/lightchain.go
+++ b/light/lightchain.go
@@ -389,6 +389,21 @@ func (self *LightChain) CurrentHeader() *types.Header {
 	return self.hc.CurrentHeader()
 }
 
+// CurrentBlock exists for interface compatibility and always returns nil
+func (self *LightChain) CurrentBlock() *types.Block {
+	return nil
+}
+
+// CurrentFastBlock exists for interface compatibility and always returns nil
+func (self *LightChain) CurrentFastBlock() *types.Block {
+	return nil
+}
+
+// FastSyncCommitHead exists for interface compatibility and does nothing
+func (self *LightChain) FastSyncCommitHead(h common.Hash) error {
+	return nil
+}
+
 // GetTd retrieves a block's total difficulty in the canonical chain from the
 // database by hash and number, caching it if found.
 func (self *LightChain) GetTd(hash common.Hash, number uint64) *big.Int {