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advance_time_tx.go
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advance_time_tx.go
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// Copyright (C) 2019-2021, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package txs
import (
"time"
"github.com/kukrer/savannahnode/ids"
"github.com/kukrer/savannahnode/snow"
"github.com/kukrer/savannahnode/vms/components/avax"
)
var _ UnsignedTx = &AdvanceTimeTx{}
// AdvanceTimeTx is a transaction to increase the chain's timestamp.
// When the chain's timestamp is updated (a AdvanceTimeTx is accepted and
// followed by a commit block) the staker set is also updated accordingly.
// It must be that:
// - proposed timestamp > [current chain time]
// - proposed timestamp <= [time for next staker set change]
type AdvanceTimeTx struct {
// Unix time this block proposes increasing the timestamp to
Time uint64 `serialize:"true" json:"time"`
unsignedBytes []byte // Unsigned byte representation of this data
}
func (tx *AdvanceTimeTx) Initialize(unsignedBytes []byte) { tx.unsignedBytes = unsignedBytes }
func (tx *AdvanceTimeTx) Bytes() []byte { return tx.unsignedBytes }
func (tx *AdvanceTimeTx) InitCtx(*snow.Context) {}
// Timestamp returns the time this block is proposing the chain should be set to
func (tx *AdvanceTimeTx) Timestamp() time.Time {
return time.Unix(int64(tx.Time), 0)
}
func (tx *AdvanceTimeTx) InputIDs() ids.Set { return nil }
func (tx *AdvanceTimeTx) Outputs() []*avax.TransferableOutput { return nil }
func (tx *AdvanceTimeTx) SyntacticVerify(*snow.Context) error { return nil }
func (tx *AdvanceTimeTx) Visit(visitor Visitor) error {
return visitor.AdvanceTimeTx(tx)
}