mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-29 23:33:37 +00:00
49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
package state
|
|
|
|
import (
|
|
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
|
|
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
|
|
"github.com/nspcc-dev/neo-go/pkg/io"
|
|
"github.com/nspcc-dev/neo-go/pkg/util"
|
|
)
|
|
|
|
// MPTRoot represents storage state root together with sign info.
|
|
type MPTRoot struct {
|
|
Version byte `json:"version"`
|
|
Index uint32 `json:"index"`
|
|
Root util.Uint256 `json:"roothash"`
|
|
Witness []transaction.Witness `json:"witnesses"`
|
|
}
|
|
|
|
// Hash returns hash of s.
|
|
func (s *MPTRoot) Hash() util.Uint256 {
|
|
buf := io.NewBufBinWriter()
|
|
s.EncodeBinaryUnsigned(buf.BinWriter)
|
|
return hash.Sha256(buf.Bytes())
|
|
}
|
|
|
|
// DecodeBinaryUnsigned decodes hashable part of state root.
|
|
func (s *MPTRoot) DecodeBinaryUnsigned(r *io.BinReader) {
|
|
s.Version = r.ReadB()
|
|
s.Index = r.ReadU32LE()
|
|
s.Root.DecodeBinary(r)
|
|
}
|
|
|
|
// EncodeBinaryUnsigned encodes hashable part of state root..
|
|
func (s *MPTRoot) EncodeBinaryUnsigned(w *io.BinWriter) {
|
|
w.WriteB(s.Version)
|
|
w.WriteU32LE(s.Index)
|
|
s.Root.EncodeBinary(w)
|
|
}
|
|
|
|
// DecodeBinary implements io.Serializable.
|
|
func (s *MPTRoot) DecodeBinary(r *io.BinReader) {
|
|
s.DecodeBinaryUnsigned(r)
|
|
r.ReadArray(&s.Witness, 1)
|
|
}
|
|
|
|
// EncodeBinary implements io.Serializable.
|
|
func (s *MPTRoot) EncodeBinary(w *io.BinWriter) {
|
|
s.EncodeBinaryUnsigned(w)
|
|
w.WriteArray(s.Witness)
|
|
}
|