From 08611cfd75b503d8489e0640780637d49d2be7eb Mon Sep 17 00:00:00 2001
From: gary rong <garyrong0905@gmail.com>
Date: Thu, 28 Nov 2019 18:47:35 +0800
Subject: [PATCH] trie: remove dead code (#20405)
---
trie/database.go | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/trie/database.go b/trie/database.go
index d510a6588..931918efb 100644
--- a/trie/database.go
+++ b/trie/database.go
@@ -17,7 +17,6 @@
package trie
import (
- "encoding/binary"
"errors"
"fmt"
"io"
@@ -272,19 +271,6 @@ func expandNode(hash hashNode, n node) node {
}
}
-// trienodeHasher is a struct to be used with BigCache, which uses a Hasher to
-// determine which shard to place an entry into. It's not a cryptographic hash,
-// just to provide a bit of anti-collision (default is FNV64a).
-//
-// Since trie keys are already hashes, we can just use the key directly to
-// map shard id.
-type trienodeHasher struct{}
-
-// Sum64 implements the bigcache.Hasher interface.
-func (t trienodeHasher) Sum64(key string) uint64 {
- return binary.BigEndian.Uint64([]byte(key))
-}
-
// NewDatabase creates a new trie database to store ephemeral trie content before
// its written out to disk or garbage collected. No read cache is created, so all
// data retrievals will hit the underlying disk database.
--
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