github.com/baptiste-b-pegasys/quorum/v22@v22.4.2/core/state/state_test.go (about) 1 // Copyright 2014 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 "bytes" 21 "encoding/json" 22 "math/big" 23 "testing" 24 25 "github.com/ethereum/go-ethereum/common" 26 "github.com/ethereum/go-ethereum/core/rawdb" 27 "github.com/ethereum/go-ethereum/crypto" 28 "github.com/ethereum/go-ethereum/ethdb" 29 30 checker "gopkg.in/check.v1" 31 ) 32 33 var toAddr = common.BytesToAddress 34 35 type stateTest struct { 36 db ethdb.Database 37 state *StateDB 38 } 39 40 func newStateTest() *stateTest { 41 db := rawdb.NewMemoryDatabase() 42 sdb, _ := New(common.Hash{}, NewDatabase(db), nil) 43 return &stateTest{db: db, state: sdb} 44 } 45 46 func TestDump(t *testing.T) { 47 db := rawdb.NewMemoryDatabase() 48 sdb, _ := New(common.Hash{}, NewDatabaseWithConfig(db, nil), nil) 49 s := &stateTest{db: db, state: sdb} 50 51 // generate a few entries 52 obj1 := s.state.GetOrNewStateObject(toAddr([]byte{0x01})) 53 obj1.AddBalance(big.NewInt(22)) 54 obj2 := s.state.GetOrNewStateObject(toAddr([]byte{0x01, 0x02})) 55 obj2.SetCode(crypto.Keccak256Hash([]byte{3, 3, 3, 3, 3, 3, 3}), []byte{3, 3, 3, 3, 3, 3, 3}) 56 obj3 := s.state.GetOrNewStateObject(toAddr([]byte{0x02})) 57 obj3.SetBalance(big.NewInt(44)) 58 59 // write some of them to the trie 60 s.state.updateStateObject(obj1) 61 s.state.updateStateObject(obj2) 62 s.state.Commit(false) 63 64 // check that DumpToCollector contains the state objects that are in trie 65 got := string(s.state.Dump(false, false, true)) 66 want := `{ 67 "root": "71edff0130dd2385947095001c73d9e28d862fc286fca2b922ca6f6f3cddfdd2", 68 "accounts": { 69 "0x0000000000000000000000000000000000000001": { 70 "balance": "22", 71 "nonce": 0, 72 "root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", 73 "codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470" 74 }, 75 "0x0000000000000000000000000000000000000002": { 76 "balance": "44", 77 "nonce": 0, 78 "root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", 79 "codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470" 80 }, 81 "0x0000000000000000000000000000000000000102": { 82 "balance": "0", 83 "nonce": 0, 84 "root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", 85 "codeHash": "87874902497a5bb968da31a2998d8f22e949d1ef6214bcdedd8bae24cca4b9e3", 86 "code": "03030303030303" 87 } 88 } 89 }` 90 if got != want { 91 t.Errorf("DumpToCollector mismatch:\ngot: %s\nwant: %s\n", got, want) 92 } 93 } 94 95 func (s *stateTest) TestDumpAddress(c *checker.C) { 96 // generate a few entries 97 obj1 := s.state.GetOrNewStateObject(toAddr([]byte{0x01})) 98 obj1.AddBalance(big.NewInt(22)) 99 obj2 := s.state.GetOrNewStateObject(toAddr([]byte{0x01, 0x02})) 100 obj2.SetCode(crypto.Keccak256Hash([]byte{3, 3, 3, 3, 3, 3, 3}), []byte{3, 3, 3, 3, 3, 3, 3}) 101 obj3 := s.state.GetOrNewStateObject(toAddr([]byte{0x02})) 102 obj3.SetBalance(big.NewInt(44)) 103 104 // write some of them to the trie 105 s.state.updateStateObject(obj1) 106 s.state.updateStateObject(obj2) 107 s.state.Commit(false) 108 109 addressToDump := toAddr([]byte{0x01}) 110 // check that dump contains the state objects that are in trie 111 got, _ := s.state.DumpAddress(addressToDump) 112 out, _ := json.Marshal(got) 113 114 want := `{"balance":"22","nonce":0,"root":"56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421","codeHash":"c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"}` 115 116 if string(out) != want { 117 c.Errorf("dump mismatch:\ngot: %s\nwant: %s\n", string(out), want) 118 } 119 } 120 121 func (s *stateTest) TestDumpAddressNotFound(c *checker.C) { 122 // generate a few entries 123 obj1 := s.state.GetOrNewStateObject(toAddr([]byte{0x01})) 124 obj1.AddBalance(big.NewInt(22)) 125 obj2 := s.state.GetOrNewStateObject(toAddr([]byte{0x01, 0x02})) 126 obj2.SetCode(crypto.Keccak256Hash([]byte{3, 3, 3, 3, 3, 3, 3}), []byte{3, 3, 3, 3, 3, 3, 3}) 127 obj3 := s.state.GetOrNewStateObject(toAddr([]byte{0x02})) 128 obj3.SetBalance(big.NewInt(44)) 129 130 // write some of them to the trie 131 s.state.updateStateObject(obj1) 132 s.state.updateStateObject(obj2) 133 s.state.Commit(false) 134 135 addressToDump := toAddr([]byte{0x09}) 136 137 // check that dump contains the state objects that are in trie 138 _, found := s.state.DumpAddress(addressToDump) 139 140 if found { 141 c.Errorf("dump mismatch:\ngot: %s\nwant: %s\n", found, false) 142 } 143 } 144 145 func (s *stateTest) SetUpTest(c *checker.C) { 146 s.db = rawdb.NewMemoryDatabase() 147 s.state, _ = New(common.Hash{}, NewDatabase(s.db), nil) 148 } 149 150 func TestNull(t *testing.T) { 151 s := newStateTest() 152 address := common.HexToAddress("0x823140710bf13990e4500136726d8b55") 153 s.state.CreateAccount(address) 154 //value := common.FromHex("0x823140710bf13990e4500136726d8b55") 155 var value common.Hash 156 157 s.state.SetState(address, common.Hash{}, value) 158 s.state.Commit(false) 159 160 if value := s.state.GetState(address, common.Hash{}); value != (common.Hash{}) { 161 t.Errorf("expected empty current value, got %x", value) 162 } 163 if value := s.state.GetCommittedState(address, common.Hash{}); value != (common.Hash{}) { 164 t.Errorf("expected empty committed value, got %x", value) 165 } 166 } 167 168 func TestSnapshot(t *testing.T) { 169 stateobjaddr := toAddr([]byte("aa")) 170 var storageaddr common.Hash 171 data1 := common.BytesToHash([]byte{42}) 172 data2 := common.BytesToHash([]byte{43}) 173 s := newStateTest() 174 175 // snapshot the genesis state 176 genesis := s.state.Snapshot() 177 178 // set initial state object value 179 s.state.SetState(stateobjaddr, storageaddr, data1) 180 snapshot := s.state.Snapshot() 181 182 // set a new state object value, revert it and ensure correct content 183 s.state.SetState(stateobjaddr, storageaddr, data2) 184 s.state.RevertToSnapshot(snapshot) 185 186 if v := s.state.GetState(stateobjaddr, storageaddr); v != data1 { 187 t.Errorf("wrong storage value %v, want %v", v, data1) 188 } 189 if v := s.state.GetCommittedState(stateobjaddr, storageaddr); v != (common.Hash{}) { 190 t.Errorf("wrong committed storage value %v, want %v", v, common.Hash{}) 191 } 192 193 // revert up to the genesis state and ensure correct content 194 s.state.RevertToSnapshot(genesis) 195 if v := s.state.GetState(stateobjaddr, storageaddr); v != (common.Hash{}) { 196 t.Errorf("wrong storage value %v, want %v", v, common.Hash{}) 197 } 198 if v := s.state.GetCommittedState(stateobjaddr, storageaddr); v != (common.Hash{}) { 199 t.Errorf("wrong committed storage value %v, want %v", v, common.Hash{}) 200 } 201 } 202 203 func TestSnapshotEmpty(t *testing.T) { 204 s := newStateTest() 205 s.state.RevertToSnapshot(s.state.Snapshot()) 206 } 207 208 func TestSnapshot2(t *testing.T) { 209 state, _ := New(common.Hash{}, NewDatabase(rawdb.NewMemoryDatabase()), nil) 210 211 stateobjaddr0 := toAddr([]byte("so0")) 212 stateobjaddr1 := toAddr([]byte("so1")) 213 var storageaddr common.Hash 214 215 data0 := common.BytesToHash([]byte{17}) 216 data1 := common.BytesToHash([]byte{18}) 217 218 state.SetState(stateobjaddr0, storageaddr, data0) 219 state.SetState(stateobjaddr1, storageaddr, data1) 220 221 // db, trie are already non-empty values 222 so0 := state.getStateObject(stateobjaddr0) 223 so0.SetBalance(big.NewInt(42)) 224 so0.SetNonce(43) 225 so0.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e'}), []byte{'c', 'a', 'f', 'e'}) 226 so0.suicided = false 227 so0.deleted = false 228 state.setStateObject(so0) 229 230 root, _ := state.Commit(false) 231 state, _ = New(root, state.db, state.snaps) 232 233 // and one with deleted == true 234 so1 := state.getStateObject(stateobjaddr1) 235 so1.SetBalance(big.NewInt(52)) 236 so1.SetNonce(53) 237 so1.SetCode(crypto.Keccak256Hash([]byte{'c', 'a', 'f', 'e', '2'}), []byte{'c', 'a', 'f', 'e', '2'}) 238 so1.suicided = true 239 so1.deleted = true 240 state.setStateObject(so1) 241 242 so1 = state.getStateObject(stateobjaddr1) 243 if so1 != nil { 244 t.Fatalf("deleted object not nil when getting") 245 } 246 247 snapshot := state.Snapshot() 248 state.RevertToSnapshot(snapshot) 249 250 so0Restored := state.getStateObject(stateobjaddr0) 251 // Update lazily-loaded values before comparing. 252 so0Restored.GetState(state.db, storageaddr) 253 so0Restored.Code(state.db) 254 // non-deleted is equal (restored) 255 compareStateObjects(so0Restored, so0, t) 256 257 // deleted should be nil, both before and after restore of state copy 258 so1Restored := state.getStateObject(stateobjaddr1) 259 if so1Restored != nil { 260 t.Fatalf("deleted object not nil after restoring snapshot: %+v", so1Restored) 261 } 262 } 263 264 func compareStateObjects(so0, so1 *stateObject, t *testing.T) { 265 if so0.Address() != so1.Address() { 266 t.Fatalf("Address mismatch: have %v, want %v", so0.address, so1.address) 267 } 268 if so0.Balance().Cmp(so1.Balance()) != 0 { 269 t.Fatalf("Balance mismatch: have %v, want %v", so0.Balance(), so1.Balance()) 270 } 271 if so0.Nonce() != so1.Nonce() { 272 t.Fatalf("Nonce mismatch: have %v, want %v", so0.Nonce(), so1.Nonce()) 273 } 274 if so0.data.Root != so1.data.Root { 275 t.Errorf("Root mismatch: have %x, want %x", so0.data.Root[:], so1.data.Root[:]) 276 } 277 if !bytes.Equal(so0.CodeHash(), so1.CodeHash()) { 278 t.Fatalf("CodeHash mismatch: have %v, want %v", so0.CodeHash(), so1.CodeHash()) 279 } 280 if !bytes.Equal(so0.code, so1.code) { 281 t.Fatalf("Code mismatch: have %v, want %v", so0.code, so1.code) 282 } 283 284 if len(so1.dirtyStorage) != len(so0.dirtyStorage) { 285 t.Errorf("Dirty storage size mismatch: have %d, want %d", len(so1.dirtyStorage), len(so0.dirtyStorage)) 286 } 287 for k, v := range so1.dirtyStorage { 288 if so0.dirtyStorage[k] != v { 289 t.Errorf("Dirty storage key %x mismatch: have %v, want %v", k, so0.dirtyStorage[k], v) 290 } 291 } 292 for k, v := range so0.dirtyStorage { 293 if so1.dirtyStorage[k] != v { 294 t.Errorf("Dirty storage key %x mismatch: have %v, want none.", k, v) 295 } 296 } 297 if len(so1.originStorage) != len(so0.originStorage) { 298 t.Errorf("Origin storage size mismatch: have %d, want %d", len(so1.originStorage), len(so0.originStorage)) 299 } 300 for k, v := range so1.originStorage { 301 if so0.originStorage[k] != v { 302 t.Errorf("Origin storage key %x mismatch: have %v, want %v", k, so0.originStorage[k], v) 303 } 304 } 305 for k, v := range so0.originStorage { 306 if so1.originStorage[k] != v { 307 t.Errorf("Origin storage key %x mismatch: have %v, want none.", k, v) 308 } 309 } 310 }