personal.lockAccount

1. 执行结果

personal.lockAccount("0xd4c3b95bf0bbf0fd0087062125dd572114ded44f")
true

2.

2.1. go-ethereum/internal/ethapi/api.go

func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
    return fetchKeystore(s.am).Lock(addr) == nil
}

2.1 go-ethereum/accounts/keystore/keystore.go

func (ks *KeyStore) Lock(addr common.Address) error {
    ks.mu.Lock()
    if unl, found := ks.unlocked[addr]; found {
        ks.mu.Unlock()
        ks.expire(addr, unl, time.Duration(0)*time.Nanosecond) //从unlocked移除
    } else {
        ks.mu.Unlock()
    }
    return nil
}