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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand 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.
//
// go-algorand 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 go-algorand. If not, see <https://www.gnu.org/licenses/>.
package timers
import (
"time"
)
// Frozen is a dummy frozen clock that never fires.
type Frozen[TimeoutType comparable] struct {
timeoutCh chan time.Time
}
// MakeFrozenClock creates a new frozen clock.
func MakeFrozenClock[TimeoutType comparable]() Clock[TimeoutType] {
return &Frozen[TimeoutType]{
timeoutCh: make(chan time.Time, 1),
}
}
// Zero returns a new Clock reset to the current time.
func (m *Frozen[TimeoutType]) Zero() Clock[TimeoutType] {
return MakeFrozenClock[TimeoutType]()
}
// TimeoutAt returns a channel that will signal when the duration has elapsed.
func (m *Frozen[TimeoutType]) TimeoutAt(delta time.Duration, timeoutType TimeoutType) <-chan time.Time {
return m.timeoutCh
}
// Encode implements Clock.Encode.
func (m *Frozen[TimeoutType]) Encode() []byte {
return []byte{}
}
// Decode implements Clock.Decode.
func (m *Frozen[TimeoutType]) Decode([]byte) (Clock[TimeoutType], error) {
return MakeFrozenClock[TimeoutType](), nil
}
func (m *Frozen[TimeoutType]) String() string {
return ""
}
// Since implements the Clock interface.
func (m *Frozen[TimeoutType]) Since() time.Duration {
return 0
}
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