refactor ethutil/trie to ethtrie

1 files changed, 0 insertions, 76 deletions

diff --git a/ethutil/encoding.go b/ethutil/encoding.go
deleted file mode 100644
index 9fcdf3edf..000000000
--- a/ethutil/encoding.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package ethutil
-
-import (
-	"bytes"
-	"encoding/hex"
-	"strings"
-)
-
-func CompactEncode(hexSlice []int) string {
-	terminator := 0
-	if hexSlice[len(hexSlice)-1] == 16 {
-		terminator = 1
-	}
-
-	if terminator == 1 {
-		hexSlice = hexSlice[:len(hexSlice)-1]
-	}
-
-	oddlen := len(hexSlice) % 2
-	flags := 2*terminator + oddlen
-	if oddlen != 0 {
-		hexSlice = append([]int{flags}, hexSlice...)
-	} else {
-		hexSlice = append([]int{flags, 0}, hexSlice...)
-	}
-
-	var buff bytes.Buffer
-	for i := 0; i < len(hexSlice); i += 2 {
-		buff.WriteByte(byte(16*hexSlice[i] + hexSlice[i+1]))
-	}
-
-	return buff.String()
-}
-
-func CompactDecode(str string) []int {
-	base := CompactHexDecode(str)
-	base = base[:len(base)-1]
-	if base[0] >= 2 {
-		base = append(base, 16)
-	}
-	if base[0]%2 == 1 {
-		base = base[1:]
-	} else {
-		base = base[2:]
-	}
-
-	return base
-}
-
-func CompactHexDecode(str string) []int {
-	base := "0123456789abcdef"
-	hexSlice := make([]int, 0)
-
-	enc := hex.EncodeToString([]byte(str))
-	for _, v := range enc {
-		hexSlice = append(hexSlice, strings.IndexByte(base, byte(v)))
-	}
-	hexSlice = append(hexSlice, 16)
-
-	return hexSlice
-}
-
-func DecodeCompact(key []int) string {
-	base := "0123456789abcdef"
-	var str string
-
-	for _, v := range key {
-		if v < 16 {
-			str += string(base[v])
-		}
-	}
-
-	res, _ := hex.DecodeString(str)
-
-	return string(res)
-}