1a531cb645
* begin migration * make client state a pointer * fix build * fixes from self review and rename cdctypes -> codectypes * add godoc
50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
package keeper
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import (
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"fmt"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/x/ibc/02-client/exported"
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)
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// MustUnmarshalClientState attempts to decode and return an ClientState object from
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// raw encoded bytes. It panics on error.
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func (k Keeper) MustUnmarshalClientState(bz []byte) exported.ClientState {
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clientState, err := k.UnmarshalClientState(bz)
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if err != nil {
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panic(fmt.Errorf("failed to decode client state: %w", err))
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}
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return clientState
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}
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// MustMarshalClientState attempts to encode an ClientState object and returns the
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// raw encoded bytes. It panics on error.
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func (k Keeper) MustMarshalClientState(clientState exported.ClientState) []byte {
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bz, err := k.MarshalClientState(clientState)
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if err != nil {
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panic(fmt.Errorf("failed to encode client state: %w", err))
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}
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return bz
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}
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// MarshalClientState marshals an ClientState interface. If the given type implements
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// the Marshaler interface, it is treated as a Proto-defined message and
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// serialized that way.
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func (k Keeper) MarshalClientState(clientStateI exported.ClientState) ([]byte, error) {
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return codec.MarshalAny(k.cdc, clientStateI)
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}
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// UnmarshalClientState returns an ClientState interface from raw encoded clientState
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// bytes of a Proto-based ClientState type. An error is returned upon decoding
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// failure.
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func (k Keeper) UnmarshalClientState(bz []byte) (exported.ClientState, error) {
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var clientState exported.ClientState
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if err := codec.UnmarshalAny(k.cdc, &clientState, bz); err != nil {
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return nil, err
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}
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return clientState, nil
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}
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