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package types
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import (
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"fmt"
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"time"
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"github.com/tendermint/tendermint/types"
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)
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//-----------------------------------------------------------------------------
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// RoundStepType enum type
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// RoundStepType enumerates the state of the consensus state machine
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type RoundStepType uint8 // These must be numeric, ordered.
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const (
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RoundStepNewHeight = RoundStepType(0x01) // Wait til CommitTime + timeoutCommit
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RoundStepNewRound = RoundStepType(0x02) // Setup new round and go to RoundStepPropose
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RoundStepPropose = RoundStepType(0x03) // Did propose, gossip proposal
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RoundStepPrevote = RoundStepType(0x04) // Did prevote, gossip prevotes
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RoundStepPrevoteWait = RoundStepType(0x05) // Did receive any +2/3 prevotes, start timeout
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RoundStepPrecommit = RoundStepType(0x06) // Did precommit, gossip precommits
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RoundStepPrecommitWait = RoundStepType(0x07) // Did receive any +2/3 precommits, start timeout
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RoundStepCommit = RoundStepType(0x08) // Entered commit state machine
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// NOTE: RoundStepNewHeight acts as RoundStepCommitWait.
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)
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// String returns a string
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func (rs RoundStepType) String() string {
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switch rs {
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case RoundStepNewHeight:
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return "RoundStepNewHeight"
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case RoundStepNewRound:
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return "RoundStepNewRound"
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case RoundStepPropose:
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return "RoundStepPropose"
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case RoundStepPrevote:
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return "RoundStepPrevote"
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case RoundStepPrevoteWait:
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return "RoundStepPrevoteWait"
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case RoundStepPrecommit:
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return "RoundStepPrecommit"
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case RoundStepPrecommitWait:
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return "RoundStepPrecommitWait"
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case RoundStepCommit:
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return "RoundStepCommit"
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default:
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return "RoundStepUnknown" // Cannot panic.
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}
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}
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//-----------------------------------------------------------------------------
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// RoundState defines the internal consensus state.
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// It is Immutable when returned from ConsensusState.GetRoundState()
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// TODO: Actually, only the top pointer is copied,
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// so access to field pointers is still racey
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// NOTE: Not thread safe. Should only be manipulated by functions downstream
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// of the cs.receiveRoutine
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type RoundState struct {
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Height int // Height we are working on
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Round int
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Step RoundStepType
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StartTime time.Time
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CommitTime time.Time // Subjective time when +2/3 precommits for Block at Round were found
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Validators *types.ValidatorSet
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Proposal *types.Proposal
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ProposalBlock *types.Block
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ProposalBlockParts *types.PartSet
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LockedRound int
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LockedBlock *types.Block
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LockedBlockParts *types.PartSet
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Votes *HeightVoteSet
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CommitRound int //
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LastCommit *types.VoteSet // Last precommits at Height-1
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LastValidators *types.ValidatorSet
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}
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// RoundStateEvent returns the H/R/S of the RoundState as an event.
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func (rs *RoundState) RoundStateEvent() types.EventDataRoundState {
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// XXX: copy the RoundState
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// if we want to avoid this, we may need synchronous events after all
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rs_ := *rs
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edrs := types.EventDataRoundState{
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Height: rs.Height,
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Round: rs.Round,
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Step: rs.Step.String(),
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RoundState: &rs_,
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}
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return edrs
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}
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// String returns a string
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func (rs *RoundState) String() string {
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return rs.StringIndented("")
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}
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// StringIndented returns a string
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func (rs *RoundState) StringIndented(indent string) string {
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return fmt.Sprintf(`RoundState{
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%s H:%v R:%v S:%v
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%s StartTime: %v
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%s CommitTime: %v
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%s Validators: %v
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%s Proposal: %v
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%s ProposalBlock: %v %v
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%s LockedRound: %v
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%s LockedBlock: %v %v
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%s Votes: %v
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%s LastCommit: %v
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%s LastValidators: %v
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%s}`,
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indent, rs.Height, rs.Round, rs.Step,
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indent, rs.StartTime,
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indent, rs.CommitTime,
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indent, rs.Validators.StringIndented(indent+" "),
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indent, rs.Proposal,
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indent, rs.ProposalBlockParts.StringShort(), rs.ProposalBlock.StringShort(),
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indent, rs.LockedRound,
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indent, rs.LockedBlockParts.StringShort(), rs.LockedBlock.StringShort(),
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indent, rs.Votes.StringIndented(indent+" "),
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indent, rs.LastCommit.StringShort(),
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indent, rs.LastValidators.StringIndented(indent+" "),
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indent)
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}
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// StringShort returns a string
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func (rs *RoundState) StringShort() string {
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return fmt.Sprintf(`RoundState{H:%v R:%v S:%v ST:%v}`,
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rs.Height, rs.Round, rs.Step, rs.StartTime)
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}
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