3735b182bc
* start modular client work * fix panic * reuse keeper marshal methods * readd TODO * add nil checks for misbehaviour * address reviews * address rest of reviews and fix builds * fixed tests * address rest of reviews * fix expired blocks bug * fix expired bug
107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
package client
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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evidenceexported "github.com/cosmos/cosmos-sdk/x/evidence/exported"
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evidencetypes "github.com/cosmos/cosmos-sdk/x/evidence/types"
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"github.com/cosmos/cosmos-sdk/x/ibc/02-client/exported"
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"github.com/cosmos/cosmos-sdk/x/ibc/02-client/keeper"
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"github.com/cosmos/cosmos-sdk/x/ibc/02-client/types"
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localhosttypes "github.com/cosmos/cosmos-sdk/x/ibc/09-localhost/types"
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)
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// HandleMsgCreateClient defines the sdk.Handler for MsgCreateClient
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func HandleMsgCreateClient(ctx sdk.Context, k keeper.Keeper, msg exported.MsgCreateClient) (*sdk.Result, error) {
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var (
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consensusHeight uint64
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clientState exported.ClientState
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)
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switch msg.(type) {
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// localhost is a special case that must initialize client state
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// from context and not from msg
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case *localhosttypes.MsgCreateClient:
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clientState = localhosttypes.NewClientState(ctx.ChainID(), ctx.BlockHeight())
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// Localhost consensus height is chain's blockheight
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consensusHeight = uint64(ctx.BlockHeight())
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default:
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clientState = msg.InitializeClientState()
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if consState := msg.GetConsensusState(); consState != nil {
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consensusHeight = consState.GetHeight()
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}
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}
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_, err := k.CreateClient(
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ctx, msg.GetClientID(), clientState, msg.GetConsensusState(),
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)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvents(sdk.Events{
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sdk.NewEvent(
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types.EventTypeCreateClient,
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sdk.NewAttribute(types.AttributeKeyClientID, msg.GetClientID()),
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sdk.NewAttribute(types.AttributeKeyClientType, msg.GetClientType()),
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sdk.NewAttribute(types.AttributeKeyConsensusHeight, fmt.Sprintf("%d", consensusHeight)),
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),
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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),
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})
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return &sdk.Result{
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Events: ctx.EventManager().Events().ToABCIEvents(),
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}, nil
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}
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// HandleMsgUpdateClient defines the sdk.Handler for MsgUpdateClient
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func HandleMsgUpdateClient(ctx sdk.Context, k keeper.Keeper, msg exported.MsgUpdateClient) (*sdk.Result, error) {
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_, err := k.UpdateClient(ctx, msg.GetClientID(), msg.GetHeader())
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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),
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)
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return &sdk.Result{
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Events: ctx.EventManager().Events().ToABCIEvents(),
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}, nil
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}
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// HandlerClientMisbehaviour defines the Evidence module handler for submitting a
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// light client misbehaviour.
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func HandlerClientMisbehaviour(k keeper.Keeper) evidencetypes.Handler {
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return func(ctx sdk.Context, evidence evidenceexported.Evidence) error {
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misbehaviour, ok := evidence.(exported.Misbehaviour)
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if !ok {
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return sdkerrors.Wrapf(types.ErrInvalidEvidence,
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"expected evidence to implement client Misbehaviour interface, got %T", evidence,
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)
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}
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if err := k.CheckMisbehaviourAndUpdateState(ctx, misbehaviour); err != nil {
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return sdkerrors.Wrap(err, "failed to process misbehaviour for IBC client")
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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types.EventTypeSubmitMisbehaviour,
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sdk.NewAttribute(types.AttributeKeyClientID, misbehaviour.GetClientID()),
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sdk.NewAttribute(types.AttributeKeyClientType, misbehaviour.ClientType().String()),
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sdk.NewAttribute(types.AttributeKeyConsensusHeight, fmt.Sprintf("%d", uint64(misbehaviour.GetHeight()))),
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),
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)
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return nil
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}
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}
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