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handler.go
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handler.go
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package evm
import (
"fmt"
"runtime/debug"
tmlog "github.com/tendermint/tendermint/libs/log"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/maoaixiao1314/treasureapp/x/evm/types"
)
// NewHandler returns a handler for Treasurenet type messages.
func NewHandler(server types.MsgServer) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (result *sdk.Result, err error) {
defer Recover(ctx.Logger(), &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(logger tmlog.Logger, err *error) {
if r := recover(); r != nil {
*err = sdkerrors.Wrapf(sdkerrors.ErrPanic, "%v", r)
if e, ok := r.(error); ok {
logger.Error(
"message handler panicked",
"error", e,
"stack trace", string(debug.Stack()),
)
} else {
logger.Error(
"message handler panicked",
"recover", fmt.Sprintf("%v", r),
)
}
}
}