114 lines
2.8 KiB
Go
114 lines
2.8 KiB
Go
package stack
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import (
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"github.com/pkg/errors"
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"github.com/tendermint/go-wire/data"
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"github.com/tendermint/basecoin"
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"github.com/tendermint/basecoin/types"
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)
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const (
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NameOK = "ok"
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NameFail = "fail"
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NamePanic = "panic"
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NameEcho = "echo"
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)
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// OKHandler just used to return okay to everything
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type OKHandler struct {
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Log string
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basecoin.NopOption
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}
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var _ basecoin.Handler = OKHandler{}
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func (_ OKHandler) Name() string {
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return NameOK
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}
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// CheckTx always returns an empty success tx
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func (ok OKHandler) CheckTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx) (res basecoin.Result, err error) {
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return basecoin.Result{Log: ok.Log}, nil
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}
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// DeliverTx always returns an empty success tx
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func (ok OKHandler) DeliverTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx) (res basecoin.Result, err error) {
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return basecoin.Result{Log: ok.Log}, nil
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}
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// EchoHandler returns success, echoing res.Data = tx bytes
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type EchoHandler struct {
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basecoin.NopOption
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}
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var _ basecoin.Handler = EchoHandler{}
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func (_ EchoHandler) Name() string {
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return NameEcho
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}
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// CheckTx always returns an empty success tx
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func (_ EchoHandler) CheckTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx) (res basecoin.Result, err error) {
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data, err := data.ToWire(tx)
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return basecoin.Result{Data: data}, err
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}
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// DeliverTx always returns an empty success tx
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func (_ EchoHandler) DeliverTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx) (res basecoin.Result, err error) {
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data, err := data.ToWire(tx)
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return basecoin.Result{Data: data}, err
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}
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// FailHandler always returns an error
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type FailHandler struct {
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Err error
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basecoin.NopOption
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}
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var _ basecoin.Handler = FailHandler{}
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func (_ FailHandler) Name() string {
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return NameFail
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}
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// CheckTx always returns the given error
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func (f FailHandler) CheckTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx) (res basecoin.Result, err error) {
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return res, errors.WithStack(f.Err)
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}
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// DeliverTx always returns the given error
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func (f FailHandler) DeliverTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx) (res basecoin.Result, err error) {
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return res, errors.WithStack(f.Err)
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}
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// PanicHandler always panics, using the given error (first choice) or msg (fallback)
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type PanicHandler struct {
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Msg string
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Err error
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basecoin.NopOption
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}
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var _ basecoin.Handler = PanicHandler{}
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func (_ PanicHandler) Name() string {
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return NamePanic
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}
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// CheckTx always panics
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func (p PanicHandler) CheckTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx) (res basecoin.Result, err error) {
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if p.Err != nil {
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panic(p.Err)
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}
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panic(p.Msg)
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}
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// DeliverTx always panics
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func (p PanicHandler) DeliverTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx) (res basecoin.Result, err error) {
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if p.Err != nil {
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panic(p.Err)
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}
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panic(p.Msg)
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}
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