github.com/snowblossomcoin/go-ethereum@v1.9.25/core/state/snapshot/generate_test.go (about)

     1  // Copyright 2020 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 snapshot
    18  
    19  import (
    20  	"math/big"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/ethereum/go-ethereum/common"
    25  	"github.com/ethereum/go-ethereum/ethdb/memorydb"
    26  	"github.com/ethereum/go-ethereum/rlp"
    27  	"github.com/ethereum/go-ethereum/trie"
    28  )
    29  
    30  // Tests that snapshot generation errors out correctly in case of a missing trie
    31  // node in the account trie.
    32  func TestGenerateCorruptAccountTrie(t *testing.T) {
    33  	// We can't use statedb to make a test trie (circular dependency), so make
    34  	// a fake one manually. We're going with a small account trie of 3 accounts,
    35  	// without any storage slots to keep the test smaller.
    36  	var (
    37  		diskdb = memorydb.New()
    38  		triedb = trie.NewDatabase(diskdb)
    39  	)
    40  	tr, _ := trie.NewSecure(common.Hash{}, triedb)
    41  	acc := &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
    42  	val, _ := rlp.EncodeToBytes(acc)
    43  	tr.Update([]byte("acc-1"), val) // 0xc7a30f39aff471c95d8a837497ad0e49b65be475cc0953540f80cfcdbdcd9074
    44  
    45  	acc = &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
    46  	val, _ = rlp.EncodeToBytes(acc)
    47  	tr.Update([]byte("acc-2"), val) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
    48  
    49  	acc = &Account{Balance: big.NewInt(3), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
    50  	val, _ = rlp.EncodeToBytes(acc)
    51  	tr.Update([]byte("acc-3"), val) // 0x19ead688e907b0fab07176120dceec244a72aff2f0aa51e8b827584e378772f4
    52  	tr.Commit(nil)                  // Root: 0xa04693ea110a31037fb5ee814308a6f1d76bdab0b11676bdf4541d2de55ba978
    53  
    54  	// Delete an account trie leaf and ensure the generator chokes
    55  	triedb.Commit(common.HexToHash("0xa04693ea110a31037fb5ee814308a6f1d76bdab0b11676bdf4541d2de55ba978"), false, nil)
    56  	diskdb.Delete(common.HexToHash("0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7").Bytes())
    57  
    58  	snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xa04693ea110a31037fb5ee814308a6f1d76bdab0b11676bdf4541d2de55ba978"), nil)
    59  	select {
    60  	case <-snap.genPending:
    61  		// Snapshot generation succeeded
    62  		t.Errorf("Snapshot generated against corrupt account trie")
    63  
    64  	case <-time.After(250 * time.Millisecond):
    65  		// Not generated fast enough, hopefully blocked inside on missing trie node fail
    66  	}
    67  	// Signal abortion to the generator and wait for it to tear down
    68  	stop := make(chan *generatorStats)
    69  	snap.genAbort <- stop
    70  	<-stop
    71  }
    72  
    73  // Tests that snapshot generation errors out correctly in case of a missing root
    74  // trie node for a storage trie. It's similar to internal corruption but it is
    75  // handled differently inside the generator.
    76  func TestGenerateMissingStorageTrie(t *testing.T) {
    77  	// We can't use statedb to make a test trie (circular dependency), so make
    78  	// a fake one manually. We're going with a small account trie of 3 accounts,
    79  	// two of which also has the same 3-slot storage trie attached.
    80  	var (
    81  		diskdb = memorydb.New()
    82  		triedb = trie.NewDatabase(diskdb)
    83  	)
    84  	stTrie, _ := trie.NewSecure(common.Hash{}, triedb)
    85  	stTrie.Update([]byte("key-1"), []byte("val-1")) // 0x1314700b81afc49f94db3623ef1df38f3ed18b73a1b7ea2f6c095118cf6118a0
    86  	stTrie.Update([]byte("key-2"), []byte("val-2")) // 0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371
    87  	stTrie.Update([]byte("key-3"), []byte("val-3")) // 0x51c71a47af0695957647fb68766d0becee77e953df17c29b3c2f25436f055c78
    88  	stTrie.Commit(nil)                              // Root: 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
    89  
    90  	accTrie, _ := trie.NewSecure(common.Hash{}, triedb)
    91  	acc := &Account{Balance: big.NewInt(1), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
    92  	val, _ := rlp.EncodeToBytes(acc)
    93  	accTrie.Update([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
    94  
    95  	acc = &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
    96  	val, _ = rlp.EncodeToBytes(acc)
    97  	accTrie.Update([]byte("acc-2"), val) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
    98  
    99  	acc = &Account{Balance: big.NewInt(3), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
   100  	val, _ = rlp.EncodeToBytes(acc)
   101  	accTrie.Update([]byte("acc-3"), val) // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
   102  	accTrie.Commit(nil)                  // Root: 0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd
   103  
   104  	// We can only corrupt the disk database, so flush the tries out
   105  	triedb.Reference(
   106  		common.HexToHash("0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67"),
   107  		common.HexToHash("0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e"),
   108  	)
   109  	triedb.Reference(
   110  		common.HexToHash("0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67"),
   111  		common.HexToHash("0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2"),
   112  	)
   113  	triedb.Commit(common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"), false, nil)
   114  
   115  	// Delete a storage trie root and ensure the generator chokes
   116  	diskdb.Delete(common.HexToHash("0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67").Bytes())
   117  
   118  	snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"), nil)
   119  	select {
   120  	case <-snap.genPending:
   121  		// Snapshot generation succeeded
   122  		t.Errorf("Snapshot generated against corrupt storage trie")
   123  
   124  	case <-time.After(250 * time.Millisecond):
   125  		// Not generated fast enough, hopefully blocked inside on missing trie node fail
   126  	}
   127  	// Signal abortion to the generator and wait for it to tear down
   128  	stop := make(chan *generatorStats)
   129  	snap.genAbort <- stop
   130  	<-stop
   131  }
   132  
   133  // Tests that snapshot generation errors out correctly in case of a missing trie
   134  // node in a storage trie.
   135  func TestGenerateCorruptStorageTrie(t *testing.T) {
   136  	// We can't use statedb to make a test trie (circular dependency), so make
   137  	// a fake one manually. We're going with a small account trie of 3 accounts,
   138  	// two of which also has the same 3-slot storage trie attached.
   139  	var (
   140  		diskdb = memorydb.New()
   141  		triedb = trie.NewDatabase(diskdb)
   142  	)
   143  	stTrie, _ := trie.NewSecure(common.Hash{}, triedb)
   144  	stTrie.Update([]byte("key-1"), []byte("val-1")) // 0x1314700b81afc49f94db3623ef1df38f3ed18b73a1b7ea2f6c095118cf6118a0
   145  	stTrie.Update([]byte("key-2"), []byte("val-2")) // 0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371
   146  	stTrie.Update([]byte("key-3"), []byte("val-3")) // 0x51c71a47af0695957647fb68766d0becee77e953df17c29b3c2f25436f055c78
   147  	stTrie.Commit(nil)                              // Root: 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
   148  
   149  	accTrie, _ := trie.NewSecure(common.Hash{}, triedb)
   150  	acc := &Account{Balance: big.NewInt(1), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
   151  	val, _ := rlp.EncodeToBytes(acc)
   152  	accTrie.Update([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
   153  
   154  	acc = &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
   155  	val, _ = rlp.EncodeToBytes(acc)
   156  	accTrie.Update([]byte("acc-2"), val) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
   157  
   158  	acc = &Account{Balance: big.NewInt(3), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
   159  	val, _ = rlp.EncodeToBytes(acc)
   160  	accTrie.Update([]byte("acc-3"), val) // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
   161  	accTrie.Commit(nil)                  // Root: 0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd
   162  
   163  	// We can only corrupt the disk database, so flush the tries out
   164  	triedb.Reference(
   165  		common.HexToHash("0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67"),
   166  		common.HexToHash("0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e"),
   167  	)
   168  	triedb.Reference(
   169  		common.HexToHash("0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67"),
   170  		common.HexToHash("0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2"),
   171  	)
   172  	triedb.Commit(common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"), false, nil)
   173  
   174  	// Delete a storage trie leaf and ensure the generator chokes
   175  	diskdb.Delete(common.HexToHash("0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371").Bytes())
   176  
   177  	snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"), nil)
   178  	select {
   179  	case <-snap.genPending:
   180  		// Snapshot generation succeeded
   181  		t.Errorf("Snapshot generated against corrupt storage trie")
   182  
   183  	case <-time.After(250 * time.Millisecond):
   184  		// Not generated fast enough, hopefully blocked inside on missing trie node fail
   185  	}
   186  	// Signal abortion to the generator and wait for it to tear down
   187  	stop := make(chan *generatorStats)
   188  	snap.genAbort <- stop
   189  	<-stop
   190  }