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35 lines
1.1 KiB
35 lines
1.1 KiB
package consensus
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import "time"
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// timeout constant
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const (
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// The duration of viewChangeTimeout; when a view change is initialized with v+1
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// timeout will be equal to viewChangeDuration; if view change failed and start v+2
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// timeout will be 2*viewChangeDuration; timeout of view change v+n is n*viewChangeDuration
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viewChangeDuration time.Duration = 60 * time.Second
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// timeout duration for announce/prepare/commit
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phaseDuration time.Duration = 60 * time.Second
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bootstrapDuration time.Duration = 300 * time.Second
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maxLogSize uint32 = 1000
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// threshold between received consensus message blockNum and my blockNum
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consensusBlockNumBuffer uint64 = 2
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)
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// TimeoutType is the type of timeout in view change protocol
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type TimeoutType int
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const (
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timeoutConsensus TimeoutType = iota
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timeoutViewChange
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timeoutBootstrap
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)
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var (
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// NIL is the m2 type message, which suppose to be nil/empty, however
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// we cannot sign on empty message, instead we sign on some default "nil" message
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// to indicate there is no prepared message received when we start view change
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NIL = []byte{0x01}
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startTime time.Time
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)
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