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Removed old serialization

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This commit is contained in:
obscuren 2014-01-01 03:07:04 +01:00
parent 34d62c380e
commit 79eaa6f2ba
2 changed files with 0 additions and 83 deletions
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63
serialization.go
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@ -1,63 +0,0 @@
package main
import (
"math"
"bytes"
)
func ToBinary(x int, bytes int) string {
if bytes == 0 {
return ""
} else {
return ToBinary(int(x / 256), bytes - 1) + string(x % 256)
}
}
func NumToVarInt(x int) string {
if x < 253 {
return string(x)
} else if x < int(math.Pow(2,16)) {
return string(253) + ToBinary(x, 2)
} else if x < int(math.Pow(2,32)) {
return string(253) + ToBinary(x, 4)
} else {
return string(253) + ToBinary(x, 8)
}
}
func RlpEncode(object interface{}) string {
if str, ok := object.(string); ok {
return "\x00" + NumToVarInt(len(str)) + str
} else if num, ok := object.(uint32); ok {
return RlpEncode(Uitoa(num))
} else if byt, ok := object.([]byte); ok {
return RlpEncode(string(byt))
} else if slice, ok := object.([]interface{}); ok {
var buffer bytes.Buffer
for _, val := range slice {
if v, ok := val.(string); ok {
buffer.WriteString(RlpEncode(v))
} else {
buffer.WriteString(RlpEncode(val))
}
}
return "\x01" + RlpEncode(len(buffer.String())) + buffer.String()
} else if slice, ok := object.([]string); ok {
// FIXME this isn't dry. Fix this
var buffer bytes.Buffer
for _, val := range slice {
buffer.WriteString(RlpEncode(val))
}
return "\x01" + RlpEncode(len(buffer.String())) + buffer.String()
}
return ""
}
type RlpSerializer interface {
MarshalRlp() []byte
UnmarshalRlp([]byte)
}

20
serialization_test.go
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@ -1,20 +0,0 @@
package main
import (
"testing"
"fmt"
)
func TestRlpEncode(t *testing.T) {
strRes := "\x00\x03dog"
str := RlpEncode("dog")
if str != strRes {
t.Error(fmt.Sprintf("Expected %q, got %q", strRes, str))
}
sliceRes := "\x01\x00\x03dog\x00\x03god\x00\x03cat"
slice := RlpEncode([]string{"dog", "god", "cat"})
if slice != sliceRes {
t.Error(fmt.Sprintf("Expected %q, got %q", sliceRes, slice))
}
}