mirror of
https://github.com/nspcc-dev/neo-go.git
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122 lines
2.7 KiB
Go
122 lines
2.7 KiB
Go
package result
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import (
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"bytes"
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"encoding/hex"
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"encoding/json"
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"errors"
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"github.com/nspcc-dev/neo-go/pkg/io"
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)
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// StateHeight is a result of getstateheight RPC.
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type StateHeight struct {
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BlockHeight uint32 `json:"blockHeight"`
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StateHeight uint32 `json:"stateHeight"`
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}
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// ProofWithKey represens key-proof pair.
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type ProofWithKey struct {
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Key []byte
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Proof [][]byte
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}
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// GetProof is a result of getproof RPC.
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type GetProof struct {
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Result ProofWithKey `json:"proof"`
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Success bool `json:"success"`
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}
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// VerifyProof is a result of verifyproof RPC.
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// nil Value is considered invalid.
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type VerifyProof struct {
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Value []byte
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}
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// MarshalJSON implements json.Marshaler.
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func (p *ProofWithKey) MarshalJSON() ([]byte, error) {
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w := io.NewBufBinWriter()
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p.EncodeBinary(w.BinWriter)
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if w.Err != nil {
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return nil, w.Err
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}
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return []byte(`"` + hex.EncodeToString(w.Bytes()) + `"`), nil
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}
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// EncodeBinary implements io.Serializable.
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func (p *ProofWithKey) EncodeBinary(w *io.BinWriter) {
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w.WriteVarBytes(p.Key)
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w.WriteVarUint(uint64(len(p.Proof)))
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for i := range p.Proof {
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w.WriteVarBytes(p.Proof[i])
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}
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}
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// DecodeBinary implements io.Serializable.
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func (p *ProofWithKey) DecodeBinary(r *io.BinReader) {
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p.Key = r.ReadVarBytes()
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sz := r.ReadVarUint()
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for i := uint64(0); i < sz; i++ {
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p.Proof = append(p.Proof, r.ReadVarBytes())
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}
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}
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// UnmarshalJSON implements json.Unmarshaler.
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func (p *ProofWithKey) UnmarshalJSON(data []byte) error {
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var s string
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if err := json.Unmarshal(data, &s); err != nil {
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return err
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}
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return p.FromString(s)
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}
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// String implements fmt.Stringer.
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func (p *ProofWithKey) String() string {
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w := io.NewBufBinWriter()
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p.EncodeBinary(w.BinWriter)
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return hex.EncodeToString(w.Bytes())
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}
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// FromString decodes p from hex-encoded string.
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func (p *ProofWithKey) FromString(s string) error {
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rawProof, err := hex.DecodeString(s)
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if err != nil {
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return err
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}
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r := io.NewBinReaderFromBuf(rawProof)
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p.DecodeBinary(r)
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return r.Err
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}
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// MarshalJSON implements json.Marshaler.
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func (p *VerifyProof) MarshalJSON() ([]byte, error) {
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if p.Value == nil {
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return []byte(`"invalid"`), nil
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}
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return []byte(`{"value":"` + hex.EncodeToString(p.Value) + `"}`), nil
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}
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// UnmarshalJSON implements json.Unmarshaler.
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func (p *VerifyProof) UnmarshalJSON(data []byte) error {
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if bytes.Equal(data, []byte(`"invalid"`)) {
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p.Value = nil
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return nil
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}
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var m map[string]string
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if err := json.Unmarshal(data, &m); err != nil {
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return err
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}
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if len(m) != 1 {
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return errors.New("must have single key")
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}
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v, ok := m["value"]
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if !ok {
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return errors.New("invalid json")
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}
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b, err := hex.DecodeString(v)
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if err != nil {
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return err
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}
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p.Value = b
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return nil
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}
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