cosmos-sdk/codec/collections.go
testinginprod 2b7a1102ed
refactor(bank): use collections for state management (#15293)
Co-authored-by: testinginprod <testinginprod@somewhere.idk>
2023-03-09 11:36:39 +00:00

82 lines
2.0 KiB
Go

package codec
import (
gogotypes "github.com/cosmos/gogoproto/types"
"cosmossdk.io/collections"
collcodec "cosmossdk.io/collections/codec"
"github.com/cosmos/gogoproto/proto"
)
// BoolValue implements a ValueCodec that saves the bool value
// as if it was a prototypes.BoolValue. Required for backwards
// compatibility of state.
var BoolValue collcodec.ValueCodec[bool] = boolValue{}
type boolValue struct{}
func (boolValue) Encode(value bool) ([]byte, error) {
return (&gogotypes.BoolValue{Value: value}).Marshal()
}
func (boolValue) Decode(b []byte) (bool, error) {
v := new(gogotypes.BoolValue)
err := v.Unmarshal(b)
return v.Value, err
}
func (boolValue) EncodeJSON(value bool) ([]byte, error) {
return collections.BoolValue.EncodeJSON(value)
}
func (boolValue) DecodeJSON(b []byte) (bool, error) {
return collections.BoolValue.DecodeJSON(b)
}
func (boolValue) Stringify(value bool) string {
return collections.BoolValue.Stringify(value)
}
func (boolValue) ValueType() string {
return "protobuf/bool"
}
type protoMessage[T any] interface {
*T
proto.Message
}
// CollValue inits a collections.ValueCodec for a generic gogo protobuf message.
func CollValue[T any, PT protoMessage[T]](cdc BinaryCodec) collcodec.ValueCodec[T] {
return &collValue[T, PT]{cdc.(Codec)}
}
type collValue[T any, PT protoMessage[T]] struct{ cdc Codec }
func (c collValue[T, PT]) Encode(value T) ([]byte, error) {
return c.cdc.Marshal(PT(&value))
}
func (c collValue[T, PT]) Decode(b []byte) (value T, err error) {
err = c.cdc.Unmarshal(b, PT(&value))
return value, err
}
func (c collValue[T, PT]) EncodeJSON(value T) ([]byte, error) {
return c.cdc.MarshalJSON(PT(&value))
}
func (c collValue[T, PT]) DecodeJSON(b []byte) (value T, err error) {
err = c.cdc.UnmarshalJSON(b, PT(&value))
return
}
func (c collValue[T, PT]) Stringify(value T) string {
return PT(&value).String()
}
func (c collValue[T, PT]) ValueType() string {
return "gogoproto/" + proto.MessageName(PT(new(T)))
}