neoneo-go/pkg/core/transaction/publish.go
Roman Khimov 203aab6a7e transaction: add binary encoding for publish
And expand the test to check for it. Fixes #319.
2019-08-30 19:19:43 +03:00

88 lines
2.1 KiB
Go

package transaction
import (
"io"
"github.com/CityOfZion/neo-go/pkg/smartcontract"
"github.com/CityOfZion/neo-go/pkg/util"
)
// PublishTX represents a publish transaction.
// NOTE: This is deprecated and should no longer be used.
type PublishTX struct {
Script []byte
ParamList []smartcontract.ParamType
ReturnType smartcontract.ParamType
NeedStorage bool
Name string
CodeVersion string
Author string
Email string
Description string
Version uint8 // Version of the parent struct Transaction. Used in reading NeedStorage flag.
}
// DecodeBinary implements the Payload interface.
func (tx *PublishTX) DecodeBinary(r io.Reader) error {
br := util.BinReader{R: r}
tx.Script = br.ReadBytes()
lenParams := br.ReadVarUint()
tx.ParamList = make([]smartcontract.ParamType, lenParams)
for i := 0; i < int(lenParams); i++ {
var ptype uint8
br.ReadLE(&ptype)
tx.ParamList[i] = smartcontract.ParamType(ptype)
}
var rtype uint8
br.ReadLE(&rtype)
tx.ReturnType = smartcontract.ParamType(rtype)
if tx.Version >= 1 {
br.ReadLE(&tx.NeedStorage)
} else {
tx.NeedStorage = false
}
tx.Name = br.ReadString()
tx.CodeVersion = br.ReadString()
tx.Author = br.ReadString()
tx.Email = br.ReadString()
tx.Description = br.ReadString()
return br.Err
}
// EncodeBinary implements the Payload interface.
func (tx *PublishTX) EncodeBinary(w io.Writer) error {
bw := util.BinWriter{W: w}
bw.WriteBytes(tx.Script)
bw.WriteVarUint(uint64(len(tx.ParamList)))
for _, param := range tx.ParamList {
bw.WriteLE(uint8(param))
}
bw.WriteLE(uint8(tx.ReturnType))
if tx.Version >= 1 {
bw.WriteLE(tx.NeedStorage)
}
bw.WriteString(tx.Name)
bw.WriteString(tx.CodeVersion)
bw.WriteString(tx.Author)
bw.WriteString(tx.Email)
bw.WriteString(tx.Description)
return bw.Err
}
func (tx *PublishTX) Size() int {
sz := util.GetVarSize(tx.Script) + util.GetVarSize(uint64(len(tx.ParamList)))
sz += 1 * len(tx.ParamList)
sz += 1
if tx.Version >= 1 {
sz += 1
}
sz += util.GetVarSize(tx.Name) + util.GetVarSize(tx.CodeVersion)
sz += util.GetVarSize(tx.Author) + util.GetVarSize(tx.Email)
sz += util.GetVarSize(tx.Description)
return sz
}