diff options
Diffstat (limited to 'eth/downloader/downloader.go')
| -rw-r--r-- | eth/downloader/downloader.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index cf8e1becf..6ac58140a 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -153,6 +153,7 @@ type Downloader struct { chainInsertHook func([]*fetchResult) // Method to call upon inserting a chain of blocks (possibly in multiple invocations) } +// LightChain encapsulates functions required to synchronise a light chain. type LightChain interface { // HasHeader verifies a header's presence in the local chain. HasHeader(common.Hash) bool @@ -173,6 +174,7 @@ type LightChain interface { Rollback([]common.Hash) } +// BlockChain encapsulates functions required to sync a (full or fast) blockchain. type BlockChain interface { LightChain @@ -281,7 +283,7 @@ func (d *Downloader) RegisterPeer(id string, version int, peer Peer) error { return nil } -// RegisterLightPeer injects a light client peer +// RegisterLightPeer injects a light client peer, wrapping it so it appears as a regular peer. func (d *Downloader) RegisterLightPeer(id string, version int, peer LightPeer) error { return d.RegisterPeer(id, version, &lightPeerWrapper{peer}) } |