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61 lines
1.2 KiB
61 lines
1.2 KiB
package consensus
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import "sync"
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// PbftPhase PBFT phases: pre-prepare, prepare and commit
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type PbftPhase int
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// Enum for PbftPhase
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const (
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Annonce PbftPhase = iota
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Prepare
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Commit
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Finish
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)
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// Mode determines whether a node is in normal or viewchanging mode
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type Mode int
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// Enum for node Mode
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const (
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Normal Mode = iota
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ViewChanging
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)
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// PbftMode contains mode and consensusID of viewchanging
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type PbftMode struct {
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mode Mode
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consensusID uint32
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mux sync.Mutex
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}
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// Mode return the current node mode
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func (pm *PbftMode) Mode() Mode {
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return pm.mode
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}
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// SetMode set the node mode as required
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func (pm *PbftMode) SetMode(m Mode) {
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pm.mux.Lock()
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defer pm.mux.Unlock()
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pm.mode = m
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}
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// ConsensusID return the current viewchanging id
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func (pm *PbftMode) ConsensusID() uint32 {
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return pm.consensusID
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}
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// SetConsensusID sets the viewchanging id accordingly
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func (pm *PbftMode) SetConsensusID(consensusID uint32) {
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pm.mux.Lock()
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defer pm.mux.Unlock()
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pm.consensusID = consensusID
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}
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// startViewChange start a new view change
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func (consensus *Consensus) startViewChange(consensusID uint32) {
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consensus.mode.SetMode(ViewChanging)
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consensus.mode.SetConsensusID(consensusID)
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// TODO (cm): implement the actual logic
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}
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