39 lines
986 B
Go
39 lines
986 B
Go
package types
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import (
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"bytes"
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jsonc "github.com/gibson042/canonicaljson-go"
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"github.com/gogo/protobuf/jsonpb"
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"github.com/cosmos/cosmos-sdk/codec"
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)
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// Register the sdk message type
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func RegisterCodec(cdc *codec.Codec) {
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cdc.RegisterInterface((*Msg)(nil), nil)
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cdc.RegisterInterface((*Tx)(nil), nil)
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}
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// CanonicalSignBytes returns a canonical JSON encoding of a message that can be
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// signed over.
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func CanonicalSignBytes(m codec.ProtoMarshaler) ([]byte, error) {
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jm := &jsonpb.Marshaler{EmitDefaults: false, OrigName: false}
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buf := new(bytes.Buffer)
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// first, encode via canonical Protocol Buffer JSON
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if err := jm.Marshal(buf, m); err != nil {
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return nil, err
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}
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genericJSON := make(map[string]interface{})
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// decode canonical proto encoding into a generic map
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if err := jsonc.Unmarshal(buf.Bytes(), &genericJSON); err != nil {
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return nil, err
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}
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// finally, return the canonical JSON encoding via JSON Canonical Form
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return jsonc.Marshal(genericJSON)
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}
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