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