go-ethereum/rlp.go

package main

import (
  _"fmt"
  "bytes"
  "math"
)

func EncodeSlice(slice []interface{}) []byte {
  var buff bytes.Buffer

  for _, val := range slice {
    switch t := val.(type) {
    case []interface{}, []string:
      buff.Write(Encode(t))
    }
  }

  return buff.Bytes()
}

func Encode(object interface{}) []byte {
  var buff bytes.Buffer

  switch t := object.(type) {
  case string:
    if len(t) < 56 {
      buff.WriteString(string(len(t) + 64) + t)
    } else {

    }
  case uint32, uint64:
    var num uint64
    if _num, ok := t.(uint64); ok {
      num = _num
    } else if _num, ok := t.(uint32); ok {
      num = uint64(_num)
    }

    if num >= 0 && num < 24 {
      buff.WriteString(string(num))
    } else if num <= uint64(math.Pow(2, 256)) {
    }
  case []byte:
    // Cast the byte slice to a string
    buff.Write(Encode(string(t)))
  case []interface{}:
    buff.Write(EncodeSlice(t))
  }

  return buff.Bytes()
}