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encoding.go
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encoding.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package encoding
import (
"encoding/base64"
"fmt"
"time"
"code.vegaprotocol.io/vega/logging"
)
// Duration is a wrapper over an actual duration so we can represent
// them as string in the toml configuration.
type Duration struct {
time.Duration
}
// Get returns the stored duration.
func (d *Duration) Get() time.Duration {
return d.Duration
}
// UnmarshalText unmarshal a duration from bytes.
func (d *Duration) UnmarshalText(text []byte) error {
var err error
d.Duration, err = time.ParseDuration(string(text))
return err
}
func (d *Duration) UnmarshalFlag(s string) error {
return d.UnmarshalText([]byte(s))
}
// MarshalText marshal a duraton into bytes.
func (d Duration) MarshalText() ([]byte, error) {
return []byte(d.String()), nil
}
func (d Duration) MarshalFlag() (string, error) {
bz, err := d.MarshalText()
return string(bz), err
}
// LogLevel is wrapper over the actual log level
// so they can be specified as strings in the toml configuration.
type LogLevel struct {
logging.Level
}
// Get return the store value.
func (l *LogLevel) Get() logging.Level {
return l.Level
}
// UnmarshalText unmarshal a loglevel from bytes.
func (l *LogLevel) UnmarshalText(text []byte) error {
var err error
l.Level, err = logging.ParseLevel(string(text))
return err
}
func (l *LogLevel) UnmarshalFlag(s string) error {
return l.UnmarshalText([]byte(s))
}
// MarshalText marshal a loglevel into bytes.
func (l LogLevel) MarshalText() ([]byte, error) {
return []byte(l.String()), nil
}
type Bool bool
func (b *Bool) UnmarshalFlag(s string) error {
if s == "true" {
*b = true
} else if s == "false" {
*b = false
} else {
return fmt.Errorf("only `true' and `false' are valid values, not `%s'", s)
}
return nil
}
type Base64 []byte
func (b *Base64) UnmarshalFlag(s string) error {
dec, err := base64.StdEncoding.DecodeString(s)
if err != nil {
return err
}
*b = dec
return nil
}
func (b Base64) MarshalFlag() (string, error) {
return base64.StdEncoding.EncodeToString(b), nil
}
type NodeMode string
const (
NodeModeValidator NodeMode = "validator"
NodeModeFull NodeMode = "full"
NodeModeSeed NodeMode = "seed"
NodeModeUnsupported NodeMode = "unsupported"
)
func NodeModeFromString(s string) (NodeMode, error) {
switch NodeMode(s) {
case NodeModeValidator:
return NodeModeValidator, nil
case NodeModeFull:
return NodeModeFull, nil
case NodeModeSeed:
return NodeModeSeed, nil
default:
return NodeModeUnsupported, fmt.Errorf("%s is not a valid node mode, expected [validator, full, seed]", s)
}
}
// UnmarshalText unmarshal a loglevel from bytes.
func (n *NodeMode) UnmarshalText(text []byte) error {
var err error
*n, err = NodeModeFromString(string(text))
return err
}
// MarshalText marshal a loglevel into bytes.
func (n NodeMode) MarshalText() ([]byte, error) {
return []byte(n), nil
}