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53 lines
1.6 KiB
53 lines
1.6 KiB
package types
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import (
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"fmt"
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"io"
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"github.com/tendermint/go-crypto"
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"github.com/tendermint/go-wire"
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cmn "github.com/tendermint/tmlibs/common"
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)
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// Heartbeat is a simple vote-like structure so validators can
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// alert others that they are alive and waiting for transactions.
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// Note: We aren't adding ",omitempty" to Heartbeat's
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// json field tags because we always want the JSON
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// representation to be in its canonical form.
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type Heartbeat struct {
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ValidatorAddress Address `json:"validator_address"`
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ValidatorIndex int `json:"validator_index"`
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Height int64 `json:"height"`
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Round int `json:"round"`
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Sequence int `json:"sequence"`
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Signature crypto.Signature `json:"signature"`
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}
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// WriteSignBytes writes the Heartbeat for signing.
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// It panics if the Heartbeat is nil.
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func (heartbeat *Heartbeat) WriteSignBytes(chainID string, w io.Writer, n *int, err *error) {
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wire.WriteJSON(CanonicalJSONOnceHeartbeat{
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chainID,
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CanonicalHeartbeat(heartbeat),
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}, w, n, err)
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}
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// Copy makes a copy of the Heartbeat.
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func (heartbeat *Heartbeat) Copy() *Heartbeat {
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if heartbeat == nil {
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return nil
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}
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heartbeatCopy := *heartbeat
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return &heartbeatCopy
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}
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// String returns a string representation of the Heartbeat.
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func (heartbeat *Heartbeat) String() string {
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if heartbeat == nil {
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return "nil-heartbeat"
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}
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return fmt.Sprintf("Heartbeat{%v:%X %v/%02d (%v) %v}",
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heartbeat.ValidatorIndex, cmn.Fingerprint(heartbeat.ValidatorAddress),
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heartbeat.Height, heartbeat.Round, heartbeat.Sequence, heartbeat.Signature)
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}
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