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52 lines
1.5 KiB
52 lines
1.5 KiB
package types
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import (
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"fmt"
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cmn "github.com/tendermint/tendermint/libs/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 []byte `json:"signature"`
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}
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// SignBytes returns the Heartbeat bytes for signing.
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// It panics if the Heartbeat is nil.
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func (heartbeat *Heartbeat) SignBytes(chainID string) []byte {
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bz, err := cdc.MarshalBinaryLengthPrefixed(CanonicalizeHeartbeat(chainID, heartbeat))
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if err != nil {
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panic(err)
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}
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return bz
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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,
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fmt.Sprintf("/%X.../", cmn.Fingerprint(heartbeat.Signature[:])))
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}
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