61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package stack
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import (
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"fmt"
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"github.com/tendermint/tmlibs/log"
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"github.com/tendermint/basecoin"
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"github.com/tendermint/basecoin/errors"
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"github.com/tendermint/basecoin/types"
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)
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const (
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NameRecovery = "rcvr"
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)
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// Recovery catches any panics and returns them as errors instead
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type Recovery struct{}
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func (_ Recovery) Name() string {
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return NameRecovery
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}
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var _ Middleware = Recovery{}
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func (_ Recovery) CheckTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx, next basecoin.Checker) (res basecoin.Result, err error) {
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defer func() {
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if r := recover(); r != nil {
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err = normalizePanic(r)
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}
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}()
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return next.CheckTx(ctx, store, tx)
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}
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func (_ Recovery) DeliverTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx, next basecoin.Deliver) (res basecoin.Result, err error) {
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defer func() {
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if r := recover(); r != nil {
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err = normalizePanic(r)
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}
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}()
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return next.DeliverTx(ctx, store, tx)
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}
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func (_ Recovery) SetOption(l log.Logger, store types.KVStore, module, key, value string, next basecoin.SetOptioner) (log string, err error) {
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defer func() {
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if r := recover(); r != nil {
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err = normalizePanic(r)
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}
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}()
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return next.SetOption(l, store, module, key, value)
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}
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// normalizePanic makes sure we can get a nice TMError (with stack) out of it
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func normalizePanic(p interface{}) error {
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if err, isErr := p.(error); isErr {
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return errors.Wrap(err)
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}
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msg := fmt.Sprintf("%v", p)
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return errors.ErrInternal(msg)
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}
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