core, trie: new trie

1 files changed, 0 insertions, 69 deletions

diff --git a/trie/slice.go b/trie/slice.go
deleted file mode 100644
index ccefbd064..000000000
--- a/trie/slice.go
+++ /dev/null
@@ -1,69 +0,0 @@
-// Copyright 2014 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package trie
-
-import (
-	"bytes"
-	"math"
-)
-
-// Helper function for comparing slices
-func CompareIntSlice(a, b []int) bool {
-	if len(a) != len(b) {
-		return false
-	}
-	for i, v := range a {
-		if v != b[i] {
-			return false
-		}
-	}
-	return true
-}
-
-// Returns the amount of nibbles that match each other from 0 ...
-func MatchingNibbleLength(a, b []byte) int {
-	var i, length = 0, int(math.Min(float64(len(a)), float64(len(b))))
-
-	for i < length {
-		if a[i] != b[i] {
-			break
-		}
-		i++
-	}
-
-	return i
-}
-
-func HasTerm(s []byte) bool {
-	return s[len(s)-1] == 16
-}
-
-func RemTerm(s []byte) []byte {
-	if HasTerm(s) {
-		return s[:len(s)-1]
-	}
-
-	return s
-}
-
-func BeginsWith(a, b []byte) bool {
-	if len(b) > len(a) {
-		return false
-	}
-
-	return bytes.Equal(a[:len(b)], b)
-}