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p2p/discv5: add deprecation warning and remove unused code (#20367)

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* p2p/discv5: add deprecation warning and remove unused code

* p2p/discv5: remove unused variables
This commit is contained in:
Felix Lange
2019-11-22 17:02:13 +01:00
committed by Péter Szilágyi
parent 0abcf03fde
commit fdff182f11
12 changed files with 18 additions and 897 deletions
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25
p2p/discv5/database.go
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@@ -58,12 +58,11 @@ var (
nodeDBVersionKey = []byte("version") // Version of the database to flush if changes
nodeDBItemPrefix = []byte("n:") // Identifier to prefix node entries with
nodeDBDiscoverRoot = ":discover"
nodeDBDiscoverPing = nodeDBDiscoverRoot + ":lastping"
nodeDBDiscoverPong = nodeDBDiscoverRoot + ":lastpong"
nodeDBDiscoverFindFails = nodeDBDiscoverRoot + ":findfail"
nodeDBDiscoverLocalEndpoint = nodeDBDiscoverRoot + ":localendpoint"
nodeDBTopicRegTickets = ":tickets"
nodeDBDiscoverRoot = ":discover"
nodeDBDiscoverPing = nodeDBDiscoverRoot + ":lastping"
nodeDBDiscoverPong = nodeDBDiscoverRoot + ":lastpong"
nodeDBDiscoverFindFails = nodeDBDiscoverRoot + ":findfail"
nodeDBTopicRegTickets = ":tickets"
)
// newNodeDB creates a new node database for storing and retrieving infos about
@@ -311,20 +310,6 @@ func (db *nodeDB) updateFindFails(id NodeID, fails int) error {
return db.storeInt64(makeKey(id, nodeDBDiscoverFindFails), int64(fails))
}
// localEndpoint returns the last local endpoint communicated to the
// given remote node.
func (db *nodeDB) localEndpoint(id NodeID) *rpcEndpoint {
var ep rpcEndpoint
if err := db.fetchRLP(makeKey(id, nodeDBDiscoverLocalEndpoint), &ep); err != nil {
return nil
}
return &ep
}
func (db *nodeDB) updateLocalEndpoint(id NodeID, ep rpcEndpoint) error {
return db.storeRLP(makeKey(id, nodeDBDiscoverLocalEndpoint), &ep)
}
// querySeeds retrieves random nodes to be used as potential seed nodes
// for bootstrapping.
func (db *nodeDB) querySeeds(n int, maxAge time.Duration) []*Node {