github.com/kisexp/xdchain@v0.0.0-20211206025815-490d6b732aa7/consensus/istanbul/ibft/core/final_committed.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package core
    18  
    19  import (
    20  	"math/big"
    21  
    22  	"github.com/kisexp/xdchain/common"
    23  )
    24  
    25  func (c *core) handleFinalCommitted() error {
    26  	logger := c.logger.New("state", c.state)
    27  	logger.Trace("Received a final committed proposal")
    28  
    29  	// startNewRound() needs to be called asynchronously when the transition to qbft happens
    30  	// This is required so that the stop() on core can successfully unsubscribe from events
    31  	nextSeq := new(big.Int).Add(c.currentView().Sequence, big.NewInt(1))
    32  	if c.backend.IsQBFTConsensusAt(nextSeq) {
    33  		go c.startNewRound(common.Big0)
    34  	} else {
    35  		c.startNewRound(common.Big0)
    36  	}
    37  	return nil
    38  }