Moved ethutil => common

1 files changed, 0 insertions, 234 deletions

diff --git a/ethutil/bytes.go b/ethutil/bytes.go
deleted file mode 100644
index bd294f28a..000000000
--- a/ethutil/bytes.go
+++ /dev/null
@@ -1,234 +0,0 @@
-package ethutil
-
-import (
-	"bytes"
-	"encoding/binary"
-	"encoding/hex"
-	"fmt"
-	"math/big"
-	"strings"
-)
-
-type Bytes []byte
-
-func (self Bytes) String() string {
-	return string(self)
-}
-
-func DeleteFromByteSlice(s [][]byte, hash []byte) [][]byte {
-	for i, h := range s {
-		if bytes.Compare(h, hash) == 0 {
-			return append(s[:i:i], s[i+1:]...)
-		}
-	}
-
-	return s
-}
-
-// Number to bytes
-//
-// Returns the number in bytes with the specified base
-func NumberToBytes(num interface{}, bits int) []byte {
-	buf := new(bytes.Buffer)
-	err := binary.Write(buf, binary.BigEndian, num)
-	if err != nil {
-		fmt.Println("NumberToBytes failed:", err)
-	}
-
-	return buf.Bytes()[buf.Len()-(bits/8):]
-}
-
-// Bytes to number
-//
-// Attempts to cast a byte slice to a unsigned integer
-func BytesToNumber(b []byte) uint64 {
-	var number uint64
-
-	// Make sure the buffer is 64bits
-	data := make([]byte, 8)
-	data = append(data[:len(b)], b...)
-
-	buf := bytes.NewReader(data)
-	err := binary.Read(buf, binary.BigEndian, &number)
-	if err != nil {
-		fmt.Println("BytesToNumber failed:", err)
-	}
-
-	return number
-}
-
-// Read variable int
-//
-// Read a variable length number in big endian byte order
-func ReadVarInt(buff []byte) (ret uint64) {
-	switch l := len(buff); {
-	case l > 4:
-		d := LeftPadBytes(buff, 8)
-		binary.Read(bytes.NewReader(d), binary.BigEndian, &ret)
-	case l > 2:
-		var num uint32
-		d := LeftPadBytes(buff, 4)
-		binary.Read(bytes.NewReader(d), binary.BigEndian, &num)
-		ret = uint64(num)
-	case l > 1:
-		var num uint16
-		d := LeftPadBytes(buff, 2)
-		binary.Read(bytes.NewReader(d), binary.BigEndian, &num)
-		ret = uint64(num)
-	default:
-		var num uint8
-		binary.Read(bytes.NewReader(buff), binary.BigEndian, &num)
-		ret = uint64(num)
-	}
-
-	return
-}
-
-// Binary length
-//
-// Returns the true binary length of the given number
-func BinaryLength(num int) int {
-	if num == 0 {
-		return 0
-	}
-
-	return 1 + BinaryLength(num>>8)
-}
-
-// Copy bytes
-//
-// Returns an exact copy of the provided bytes
-func CopyBytes(b []byte) (copiedBytes []byte) {
-	copiedBytes = make([]byte, len(b))
-	copy(copiedBytes, b)
-
-	return
-}
-
-func IsHex(str string) bool {
-	l := len(str)
-	return l >= 4 && l%2 == 0 && str[0:2] == "0x"
-}
-
-func Bytes2Hex(d []byte) string {
-	return hex.EncodeToString(d)
-}
-
-func Hex2Bytes(str string) []byte {
-	h, _ := hex.DecodeString(str)
-
-	return h
-}
-
-func StringToByteFunc(str string, cb func(str string) []byte) (ret []byte) {
-	if len(str) > 1 && str[0:2] == "0x" && !strings.Contains(str, "\n") {
-		ret = Hex2Bytes(str[2:])
-	} else {
-		ret = cb(str)
-	}
-
-	return
-}
-
-func FormatData(data string) []byte {
-	if len(data) == 0 {
-		return nil
-	}
-	// Simple stupid
-	d := new(big.Int)
-	if data[0:1] == "\"" && data[len(data)-1:] == "\"" {
-		return RightPadBytes([]byte(data[1:len(data)-1]), 32)
-	} else if len(data) > 1 && data[:2] == "0x" {
-		d.SetBytes(Hex2Bytes(data[2:]))
-	} else {
-		d.SetString(data, 0)
-	}
-
-	return BigToBytes(d, 256)
-}
-
-func ParseData(data ...interface{}) (ret []byte) {
-	for _, item := range data {
-		switch t := item.(type) {
-		case string:
-			var str []byte
-			if IsHex(t) {
-				str = Hex2Bytes(t[2:])
-			} else {
-				str = []byte(t)
-			}
-
-			ret = append(ret, RightPadBytes(str, 32)...)
-		case []byte:
-			ret = append(ret, LeftPadBytes(t, 32)...)
-		}
-	}
-
-	return
-}
-
-func RightPadBytes(slice []byte, l int) []byte {
-	if l < len(slice) {
-		return slice
-	}
-
-	padded := make([]byte, l)
-	copy(padded[0:len(slice)], slice)
-
-	return padded
-}
-
-func LeftPadBytes(slice []byte, l int) []byte {
-	if l < len(slice) {
-		return slice
-	}
-
-	padded := make([]byte, l)
-	copy(padded[l-len(slice):], slice)
-
-	return padded
-}
-
-func LeftPadString(str string, l int) string {
-	if l < len(str) {
-		return str
-	}
-
-	zeros := Bytes2Hex(make([]byte, (l-len(str))/2))
-
-	return zeros + str
-
-}
-
-func RightPadString(str string, l int) string {
-	if l < len(str) {
-		return str
-	}
-
-	zeros := Bytes2Hex(make([]byte, (l-len(str))/2))
-
-	return str + zeros
-
-}
-
-func Address(slice []byte) (addr []byte) {
-	if len(slice) < 20 {
-		addr = LeftPadBytes(slice, 20)
-	} else if len(slice) > 20 {
-		addr = slice[len(slice)-20:]
-	} else {
-		addr = slice
-	}
-
-	addr = CopyBytes(addr)
-
-	return
-}
-
-func ByteSliceToInterface(slice [][]byte) (ret []interface{}) {
-	for _, i := range slice {
-		ret = append(ret, i)
-	}
-
-	return
-}