github.com/ylsGit/go-ethereum@v1.6.5/core/state/managed_state_test.go (about)

     1  // Copyright 2015 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 state
    18  
    19  import (
    20  	"testing"
    21  
    22  	"github.com/ethereum/go-ethereum/common"
    23  	"github.com/ethereum/go-ethereum/ethdb"
    24  )
    25  
    26  var addr = common.BytesToAddress([]byte("test"))
    27  
    28  func create() (*ManagedState, *account) {
    29  	db, _ := ethdb.NewMemDatabase()
    30  	statedb, _ := New(common.Hash{}, db)
    31  	ms := ManageState(statedb)
    32  	ms.StateDB.SetNonce(addr, 100)
    33  	ms.accounts[addr] = newAccount(ms.StateDB.getStateObject(addr))
    34  	return ms, ms.accounts[addr]
    35  }
    36  
    37  func TestNewNonce(t *testing.T) {
    38  	ms, _ := create()
    39  
    40  	nonce := ms.NewNonce(addr)
    41  	if nonce != 100 {
    42  		t.Error("expected nonce 100. got", nonce)
    43  	}
    44  
    45  	nonce = ms.NewNonce(addr)
    46  	if nonce != 101 {
    47  		t.Error("expected nonce 101. got", nonce)
    48  	}
    49  }
    50  
    51  func TestRemove(t *testing.T) {
    52  	ms, account := create()
    53  
    54  	nn := make([]bool, 10)
    55  	for i := range nn {
    56  		nn[i] = true
    57  	}
    58  	account.nonces = append(account.nonces, nn...)
    59  
    60  	i := uint64(5)
    61  	ms.RemoveNonce(addr, account.nstart+i)
    62  	if len(account.nonces) != 5 {
    63  		t.Error("expected", i, "'th index to be false")
    64  	}
    65  }
    66  
    67  func TestReuse(t *testing.T) {
    68  	ms, account := create()
    69  
    70  	nn := make([]bool, 10)
    71  	for i := range nn {
    72  		nn[i] = true
    73  	}
    74  	account.nonces = append(account.nonces, nn...)
    75  
    76  	i := uint64(5)
    77  	ms.RemoveNonce(addr, account.nstart+i)
    78  	nonce := ms.NewNonce(addr)
    79  	if nonce != 105 {
    80  		t.Error("expected nonce to be 105. got", nonce)
    81  	}
    82  }
    83  
    84  func TestRemoteNonceChange(t *testing.T) {
    85  	ms, account := create()
    86  	nn := make([]bool, 10)
    87  	for i := range nn {
    88  		nn[i] = true
    89  	}
    90  	account.nonces = append(account.nonces, nn...)
    91  	ms.NewNonce(addr)
    92  
    93  	ms.StateDB.stateObjects[addr].data.Nonce = 200
    94  	nonce := ms.NewNonce(addr)
    95  	if nonce != 200 {
    96  		t.Error("expected nonce after remote update to be", 200, "got", nonce)
    97  	}
    98  	ms.NewNonce(addr)
    99  	ms.NewNonce(addr)
   100  	ms.NewNonce(addr)
   101  	ms.StateDB.stateObjects[addr].data.Nonce = 200
   102  	nonce = ms.NewNonce(addr)
   103  	if nonce != 204 {
   104  		t.Error("expected nonce after remote update to be", 204, "got", nonce)
   105  	}
   106  }
   107  
   108  func TestSetNonce(t *testing.T) {
   109  	ms, _ := create()
   110  
   111  	var addr common.Address
   112  	ms.SetNonce(addr, 10)
   113  
   114  	if ms.GetNonce(addr) != 10 {
   115  		t.Error("Expected nonce of 10, got", ms.GetNonce(addr))
   116  	}
   117  
   118  	addr[0] = 1
   119  	ms.StateDB.SetNonce(addr, 1)
   120  
   121  	if ms.GetNonce(addr) != 1 {
   122  		t.Error("Expected nonce of 1, got", ms.GetNonce(addr))
   123  	}
   124  }