package evm import ( "runtime/debug" log "github.com/xlab/suplog" sdk "github.com/cosmos/cosmos-sdk/types" sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" "github.com/tharsis/ethermint/x/evm/types" ) // NewHandler returns a handler for Ethermint type messages. func NewHandler(server types.MsgServer) sdk.Handler { return func(ctx sdk.Context, msg sdk.Msg) (result *sdk.Result, err error) { defer Recover(&err) ctx = ctx.WithEventManager(sdk.NewEventManager()) switch msg := msg.(type) { case *types.MsgEthereumTx: // execute state transition res, err := server.EthereumTx(sdk.WrapSDKContext(ctx), msg) return sdk.WrapServiceResult(ctx, res, err) default: err := sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", types.ModuleName, msg) return nil, err } } } func Recover(err *error) { if r := recover(); r != nil { *err = sdkerrors.Wrapf(sdkerrors.ErrPanic, "%v", r) if e, ok := r.(error); ok { log.WithError(e).Errorln("evm msg handler panicked with an error") log.Debugln(string(debug.Stack())) } else { log.Errorln(r) } } }