laconicd-deprecated/client/keys/utils.go

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package keys
import (
"fmt"
"io"
"path/filepath"
yaml "gopkg.in/yaml.v2"
"github.com/cosmos/cosmos-sdk/client/keys"
cryptokeyring "github.com/cosmos/cosmos-sdk/crypto/keyring"
)
// available output formats.
const (
OutputFormatText = "text"
OutputFormatJSON = "json"
// defaultKeyDBName is the client's subdirectory where keys are stored.
defaultKeyDBName = "keys"
)
type bechKeyOutFn func(keyInfo cryptokeyring.Info) (cryptokeyring.KeyOutput, error)
// NewLegacyKeyBaseFromDir initializes a legacy keybase at the rootDir directory. Keybase
// options can be applied when generating this new Keybase.
func NewLegacyKeyBaseFromDir(rootDir string, opts ...cryptokeyring.KeybaseOption) (cryptokeyring.LegacyKeybase, error) {
return getLegacyKeyBaseFromDir(rootDir, opts...)
}
func getLegacyKeyBaseFromDir(rootDir string, opts ...cryptokeyring.KeybaseOption) (cryptokeyring.LegacyKeybase, error) {
return cryptokeyring.NewLegacy(defaultKeyDBName, filepath.Join(rootDir, "keys"), opts...)
}
func printKeyInfo(w io.Writer, keyInfo cryptokeyring.Info, bechKeyOut bechKeyOutFn, output string) {
ko, err := bechKeyOut(keyInfo)
if err != nil {
panic(err)
}
switch output {
case OutputFormatText:
printTextInfos(w, []cryptokeyring.KeyOutput{ko})
case OutputFormatJSON:
out, err := keys.KeysCdc.MarshalJSON(ko)
if err != nil {
panic(err)
}
fmt.Fprintln(w, string(out))
}
}
func printTextInfos(w io.Writer, kos []cryptokeyring.KeyOutput) {
out, err := yaml.Marshal(&kos)
if err != nil {
panic(err)
}
fmt.Fprintln(w, string(out))
}
func validateMultisigThreshold(k, nKeys int) error {
if k <= 0 {
return fmt.Errorf("threshold must be a positive integer")
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}
if nKeys < k {
return fmt.Errorf(
"threshold k of n multisignature: %d < %d", nKeys, k)
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}
return nil
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}