46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
package txs
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import (
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"github.com/spf13/pflag"
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"github.com/tendermint/basecoin"
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)
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var (
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// Middleware must be set in main.go to defined the wrappers we should apply
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Middleware Wrapper
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)
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// Wrapper defines the information needed for each middleware package that
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// wraps the data. They should read all configuration out of bounds via viper.
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type Wrapper interface {
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Wrap(basecoin.Tx) (basecoin.Tx, error)
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Register(*pflag.FlagSet)
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}
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// Wrappers combines a list of wrapper middlewares.
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// The first one is the inner-most layer, eg. Fee, Nonce, Chain, Auth
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type Wrappers []Wrapper
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var _ Wrapper = Wrappers{}
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// Wrap applies the wrappers to the passed in tx in order,
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// aborting on the first error
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func (ws Wrappers) Wrap(tx basecoin.Tx) (basecoin.Tx, error) {
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var err error
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for _, w := range ws {
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tx, err = w.Wrap(tx)
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if err != nil {
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break
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}
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}
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return tx, err
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}
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// Register adds any needed flags to the command
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func (ws Wrappers) Register(fs *pflag.FlagSet) {
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for _, w := range ws {
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w.Register(fs)
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}
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}
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