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all: protect self-mined block during reorg (#17656)

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This commit is contained in:
gary rong
2018-09-20 20:09:30 +08:00
committed by Péter Szilágyi
parent f89dce0126
commit d6254f827b
20 changed files with 112 additions and 48 deletions
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28
eth/backend.go
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@ -156,7 +156,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
}
cacheConfig = &core.CacheConfig{Disabled: config.NoPruning, TrieNodeLimit: config.TrieCache, TrieTimeLimit: config.TrieTimeout}
)
eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, eth.chainConfig, eth.engine, vmConfig)
eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, eth.chainConfig, eth.engine, vmConfig, eth.isMinerAccount)
if err != nil {
return nil, err
}
@ -334,6 +334,30 @@ func (s *Ethereum) Etherbase() (eb common.Address, err error) {
return common.Address{}, fmt.Errorf("etherbase must be explicitly specified")
}
// isMinerAccount checks whether the specified address is a miner account.
//
// This function is used during block chain reorg checking to determine
// whether a block is mined by local accounts. We regard two types of
// accounts as local account: etherbase and accounts specified via
// `txpool.locals` flag.
func (s *Ethereum) isMinerAccount(addr common.Address) bool {
// Check whether the given address is etherbase.
s.lock.RLock()
etherbase := s.etherbase
s.lock.RUnlock()
if addr == etherbase {
return true
}
// Check whether the given address is specified by `txpool.local`
// CLI flag.
for _, account := range s.config.TxPool.Locals {
if account == addr {
return true
}
}
return false
}
// SetEtherbase sets the mining reward address.
func (s *Ethereum) SetEtherbase(etherbase common.Address) {
s.lock.Lock()
@ -366,7 +390,7 @@ func (s *Ethereum) StartMining(threads int) error {
s.lock.RUnlock()
s.txPool.SetGasPrice(price)
// Configure the local mining addess
// Configure the local mining address
eb, err := s.Etherbase()
if err != nil {
log.Error("Cannot start mining without etherbase", "err", err)