github.com/koko1123/flow-go-1@v0.29.6/consensus/recovery/participant.go (about)

     1  package recovery
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/rs/zerolog"
     7  
     8  	"github.com/koko1123/flow-go-1/consensus/hotstuff"
     9  	"github.com/koko1123/flow-go-1/consensus/hotstuff/model"
    10  	"github.com/koko1123/flow-go-1/model/flow"
    11  )
    12  
    13  // Participant recovers the HotStuff state for a consensus participant.
    14  // It reads the pending blocks from storage and pass them to the input Forks
    15  // instance to recover its state from before the restart.
    16  func Participant(
    17  	log zerolog.Logger,
    18  	forks hotstuff.Forks,
    19  	voteAggregator hotstuff.VoteAggregator,
    20  	validator hotstuff.Validator,
    21  	finalized *flow.Header,
    22  	pending []*flow.Header,
    23  ) error {
    24  	return Recover(log, finalized, pending, validator, func(proposal *model.Proposal) error {
    25  		// add it to forks
    26  		err := forks.AddBlock(proposal.Block)
    27  		if err != nil {
    28  			return fmt.Errorf("could not add block to forks: %w", err)
    29  		}
    30  
    31  		// recovery the proposer's vote
    32  		err = voteAggregator.AddBlock(proposal)
    33  		if err != nil {
    34  			return fmt.Errorf("could not process proposal %v: %w", proposal.Block.BlockID, err)
    35  		}
    36  
    37  		return nil
    38  	})
    39  }