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draft of consensus+state code, compiles.

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This commit is contained in:
Jae Kwon
2014-09-04 03:32:38 -07:00
parent e53b148acf
commit f030c69495
13 changed files with 222 additions and 217 deletions
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68
binary/codec.go
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@ -1,18 +1,15 @@
package binary
import (
"errors"
"io"
"bytes"
"time"
)
type Codec interface {
WriteTo(io.Writer, interface{}, *int64, *error)
ReadFrom(io.Reader, *int64, *error) interface{}
Write(interface{}) ([]byte, error)
Read([]byte) (interface{}, error)
}
//-----------------------------------------------------------------------------
const (
typeNil = byte(0x00)
typeByte = byte(0x01)
@ -33,7 +30,8 @@ var BasicCodec = basicCodec{}
type basicCodec struct{}
func (bc basicCodec) WriteTo(w io.Writer, o interface{}, n *int64, err *error) {
func (bc basicCodec) Write(o interface{}) ([]byte, error) {
n, err, w := new(int64), new(error), new(bytes.Buffer)
switch o.(type) {
case nil:
WriteByte(w, typeNil, n, err)
@ -76,63 +74,41 @@ func (bc basicCodec) WriteTo(w io.Writer, o interface{}, n *int64, err *error) {
default:
panic("Unsupported type")
}
return
return w.Bytes(), *err
}
func (bc basicCodec) ReadFrom(r io.Reader, n *int64, err *error) interface{} {
func (bc basicCodec) Read(bz []byte) (interface{}, error) {
n, err, r, o := new(int64), new(error), bytes.NewBuffer(bz), interface{}(nil)
type_ := ReadByte(r, n, err)
switch type_ {
case typeNil:
return nil
o = nil
case typeByte:
return ReadByte(r, n, err)
o = ReadByte(r, n, err)
case typeInt8:
return ReadInt8(r, n, err)
o = ReadInt8(r, n, err)
//case typeUInt8:
// return ReadUInt8(r, n, err)
// o = ReadUInt8(r, n, err)
case typeInt16:
return ReadInt16(r, n, err)
o = ReadInt16(r, n, err)
case typeUInt16:
return ReadUInt16(r, n, err)
o = ReadUInt16(r, n, err)
case typeInt32:
return ReadInt32(r, n, err)
o = ReadInt32(r, n, err)
case typeUInt32:
return ReadUInt32(r, n, err)
o = ReadUInt32(r, n, err)
case typeInt64:
return ReadInt64(r, n, err)
o = ReadInt64(r, n, err)
case typeUInt64:
return ReadUInt64(r, n, err)
o = ReadUInt64(r, n, err)
case typeString:
return ReadString(r, n, err)
o = ReadString(r, n, err)
case typeByteSlice:
return ReadByteSlice(r, n, err)
o = ReadByteSlice(r, n, err)
case typeTime:
return ReadTime(r, n, err)
o = ReadTime(r, n, err)
default:
panic("Unsupported type")
}
}
//-----------------------------------------------------------------------------
// Creates an adapter codec for Binary things.
// Resulting Codec can be used with merkle/*.
type BinaryCodec struct {
decoder func(io.Reader, *int64, *error) interface{}
}
func NewBinaryCodec(decoder func(io.Reader, *int64, *error) interface{}) *BinaryCodec {
return &BinaryCodec{decoder}
}
func (ca *BinaryCodec) WriteTo(w io.Writer, o interface{}, n *int64, err *error) {
if bo, ok := o.(Binary); ok {
WriteTo(w, BinaryBytes(bo), n, err)
} else {
*err = errors.New("BinaryCodec expected Binary object")
}
}
func (ca *BinaryCodec) ReadFrom(r io.Reader, n *int64, err *error) interface{} {
return ca.decoder(r, n, err)
return o, *err
}