neo-go/pkg/core/transaction/witness.go
dauTT 095653af23 Implement rpc server method: sendrawtransaction (#174)
* Added new config attributes: 'SecondsPerBlock','LowPriorityThreshold'

* Added new files:

* Added new method: CompareTo

* Fixed empty Slice case

* Added new methods: LessThan, GreaterThan, Equal, CompareTo

* Added new method: InputIntersection

* Added MaxTransactionSize, GroupOutputByAssetID

* Added ned method: ScriptHash

* Added new method: IsDoubleSpend

* Refactor blockchainer, Added Feer interface, Verify and GetMemPool method

* 1) Added MemPool
2) Added new methods to satisfy the blockchainer interface: IsLowPriority, Verify, GetMemPool

* Added new methods: RelayTxn, RelayDirectly

* Fixed tests

* Implemented RPC server method sendrawtransaction

* Refactor getrawtransaction, sendrawtransaction in separate methods

* Moved 'secondsPerBlock' to config file

* Implemented Kim suggestions:
1) Fixed data race issues
2) refactor Verify method
3) Get rid of unused InputIntersection  method due to refactoring Verify method
4) Fixed bug in https://github.com/CityOfZion/neo-go/pull/174#discussion_r264108135
5) minor simplications of the code

* Fixed minor issues related to

1) space
2) getter methods do not need pointer on the receiver
3) error message
4) refactoring  CompareTo method in uint256.go

* Fixed small issues

* Use sync.RWMutex instead of sync.Mutex

* Refined (R)Lock/(R)Unlock

* return error instead of bool in Verify methods
2019-03-20 12:30:05 +00:00

62 lines
1.7 KiB
Go

package transaction
import (
"encoding/binary"
"encoding/hex"
"encoding/json"
"io"
"github.com/CityOfZion/neo-go/pkg/util"
)
// Witness contains 2 scripts.
type Witness struct {
InvocationScript []byte
VerificationScript []byte
}
// DecodeBinary implements the payload interface.
func (w *Witness) DecodeBinary(r io.Reader) error {
lenb := util.ReadVarUint(r)
w.InvocationScript = make([]byte, lenb)
if err := binary.Read(r, binary.LittleEndian, w.InvocationScript); err != nil {
return err
}
lenb = util.ReadVarUint(r)
w.VerificationScript = make([]byte, lenb)
return binary.Read(r, binary.LittleEndian, w.VerificationScript)
}
// EncodeBinary implements the payload interface.
func (w *Witness) EncodeBinary(writer io.Writer) error {
if err := util.WriteVarUint(writer, uint64(len(w.InvocationScript))); err != nil {
return err
}
if err := binary.Write(writer, binary.LittleEndian, w.InvocationScript); err != nil {
return err
}
if err := util.WriteVarUint(writer, uint64(len(w.VerificationScript))); err != nil {
return err
}
return binary.Write(writer, binary.LittleEndian, w.VerificationScript)
}
// MarshalJSON implements the json marshaller interface.
func (w *Witness) MarshalJSON() ([]byte, error) {
data := map[string]string{
"invocation": hex.EncodeToString(w.InvocationScript),
"verification": hex.EncodeToString(w.VerificationScript),
}
return json.Marshal(data)
}
// Size returns the size in bytes of the Witness.
func (w *Witness) Size() int {
return util.GetVarSize(w.InvocationScript) + util.GetVarSize(w.VerificationScript)
}
// ScriptHash returns the hash of the VerificationScript.
func (w Witness) ScriptHash() (util.Uint160, error) {
return util.Uint160FromScript(w.VerificationScript)
}