mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-22 19:29:39 +00:00
1b83dc2476
Mostly it's about Go 1.22+ syntax with ranging over integers, but it also prefers ranging over slices where possible (it makes code a little better to read). Notice that we have a number of dangerous loops where slices are mutated during loop execution, many of these can't be converted since we need proper length evalutation at every iteration. Signed-off-by: Roman Khimov <roman@nspcc.ru>
108 lines
2.4 KiB
Go
108 lines
2.4 KiB
Go
package result
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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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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Local uint32 `json:"localrootindex"`
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Validated uint32 `json:"validatedrootindex"`
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}
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// ProofWithKey represens a 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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// 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 the 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(`"` + base64.StdEncoding.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 range sz {
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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 the 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 base64.StdEncoding.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 := base64.StdEncoding.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 the 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(`"` + base64.StdEncoding.EncodeToString(p.Value) + `"`), nil
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}
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// UnmarshalJSON implements the 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 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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b, err := base64.StdEncoding.DecodeString(m)
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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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