118 lines
3.6 KiB
Go
118 lines
3.6 KiB
Go
package client
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
|
|
"github.com/cosmos/cosmos-sdk/x/evidence"
|
|
evidenceexported "github.com/cosmos/cosmos-sdk/x/evidence/exported"
|
|
"github.com/cosmos/cosmos-sdk/x/ibc/02-client/exported"
|
|
"github.com/cosmos/cosmos-sdk/x/ibc/02-client/types"
|
|
ibctmtypes "github.com/cosmos/cosmos-sdk/x/ibc/07-tendermint/types"
|
|
localhosttypes "github.com/cosmos/cosmos-sdk/x/ibc/09-localhost/types"
|
|
)
|
|
|
|
// HandleMsgCreateClient defines the sdk.Handler for MsgCreateClient
|
|
func HandleMsgCreateClient(ctx sdk.Context, k Keeper, msg exported.MsgCreateClient) (*sdk.Result, error) {
|
|
clientType := exported.ClientTypeFromString(msg.GetClientType())
|
|
var clientState exported.ClientState
|
|
switch clientType {
|
|
case 0:
|
|
return nil, sdkerrors.Wrap(ErrInvalidClientType, msg.GetClientType())
|
|
case exported.Tendermint:
|
|
tmMsg, ok := msg.(ibctmtypes.MsgCreateClient)
|
|
if !ok {
|
|
return nil, sdkerrors.Wrap(ErrInvalidClientType, "Msg is not a Tendermint CreateClient msg")
|
|
}
|
|
var err error
|
|
clientState, err = ibctmtypes.InitializeFromMsg(tmMsg)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
case exported.Localhost:
|
|
// msg client id is always "localhost"
|
|
clientState = localhosttypes.NewClientState(
|
|
k.ClientStore(ctx, msg.GetClientID()),
|
|
ctx.ChainID(),
|
|
ctx.BlockHeight(),
|
|
)
|
|
default:
|
|
return nil, sdkerrors.Wrap(ErrInvalidClientType, msg.GetClientType())
|
|
}
|
|
|
|
_, err := k.CreateClient(
|
|
ctx, clientState, msg.GetConsensusState(),
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
attributes := make([]sdk.Attribute, len(msg.GetSigners())+1)
|
|
attributes[0] = sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory)
|
|
for i, signer := range msg.GetSigners() {
|
|
attributes[i+1] = sdk.NewAttribute(sdk.AttributeKeySender, signer.String())
|
|
}
|
|
|
|
ctx.EventManager().EmitEvents(sdk.Events{
|
|
sdk.NewEvent(
|
|
EventTypeCreateClient,
|
|
sdk.NewAttribute(AttributeKeyClientID, msg.GetClientID()),
|
|
sdk.NewAttribute(AttrbuteKeyClientType, msg.GetClientType()),
|
|
),
|
|
sdk.NewEvent(
|
|
sdk.EventTypeMessage,
|
|
attributes...,
|
|
),
|
|
})
|
|
|
|
return &sdk.Result{
|
|
Events: ctx.EventManager().Events().ToABCIEvents(),
|
|
}, nil
|
|
}
|
|
|
|
// HandleMsgUpdateClient defines the sdk.Handler for MsgUpdateClient
|
|
func HandleMsgUpdateClient(ctx sdk.Context, k Keeper, msg exported.MsgUpdateClient) (*sdk.Result, error) {
|
|
clientState, err := k.UpdateClient(ctx, msg.GetClientID(), msg.GetHeader())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
attributes := make([]sdk.Attribute, len(msg.GetSigners())+1)
|
|
attributes[0] = sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory)
|
|
for i, signer := range msg.GetSigners() {
|
|
attributes[i+1] = sdk.NewAttribute(sdk.AttributeKeySender, signer.String())
|
|
}
|
|
|
|
k.Logger(ctx).Info(fmt.Sprintf("client %s updated to height %d", msg.GetClientID(), clientState.GetLatestHeight()))
|
|
|
|
ctx.EventManager().EmitEvents(sdk.Events{
|
|
sdk.NewEvent(
|
|
EventTypeUpdateClient,
|
|
sdk.NewAttribute(AttributeKeyClientID, msg.GetClientID()),
|
|
sdk.NewAttribute(AttrbuteKeyClientType, clientState.ClientType().String()),
|
|
),
|
|
sdk.NewEvent(
|
|
sdk.EventTypeMessage,
|
|
attributes...,
|
|
),
|
|
})
|
|
|
|
return &sdk.Result{
|
|
Events: ctx.EventManager().Events().ToABCIEvents(),
|
|
}, nil
|
|
}
|
|
|
|
// HandlerClientMisbehaviour defines the Evidence module handler for submitting a
|
|
// light client misbehaviour.
|
|
func HandlerClientMisbehaviour(k Keeper) evidence.Handler {
|
|
return func(ctx sdk.Context, evidence evidenceexported.Evidence) error {
|
|
misbehaviour, ok := evidence.(exported.Misbehaviour)
|
|
if !ok {
|
|
return types.ErrInvalidEvidence
|
|
}
|
|
|
|
return k.CheckMisbehaviourAndUpdateState(ctx, misbehaviour)
|
|
}
|
|
}
|