diff options
Diffstat (limited to 'core/state/state_test.go')
-rw-r--r-- | core/state/state_test.go | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/core/state/state_test.go b/core/state/state_test.go new file mode 100644 index 000000000..a3d3973de --- /dev/null +++ b/core/state/state_test.go @@ -0,0 +1,106 @@ +package state + +import ( + "math/big" + "testing" + + checker "gopkg.in/check.v1" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/ethdb" +) + +type StateSuite struct { + state *StateDB +} + +var _ = checker.Suite(&StateSuite{}) + +var toAddr = common.BytesToAddress + +func (s *StateSuite) TestDump(c *checker.C) { + return + // generate a few entries + obj1 := s.state.GetOrNewStateObject(toAddr([]byte{0x01})) + obj1.AddBalance(big.NewInt(22)) + obj2 := s.state.GetOrNewStateObject(toAddr([]byte{0x01, 0x02})) + obj2.SetCode([]byte{3, 3, 3, 3, 3, 3, 3}) + obj3 := s.state.GetOrNewStateObject(toAddr([]byte{0x02})) + obj3.SetBalance(big.NewInt(44)) + + // write some of them to the trie + s.state.UpdateStateObject(obj1) + s.state.UpdateStateObject(obj2) + + // check that dump contains the state objects that are in trie + got := string(s.state.Dump()) + want := `{ + "root": "6e277ae8357d013e50f74eedb66a991f6922f93ae03714de58b3d0c5e9eee53f", + "accounts": { + "1468288056310c82aa4c01a7e12a10f8111a0560e72b700555479031b86c357d": { + "balance": "22", + "nonce": 0, + "root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", + "codeHash": "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", + "storage": {} + }, + "a17eacbc25cda025e81db9c5c62868822c73ce097cee2a63e33a2e41268358a1": { + "balance": "0", + "nonce": 0, + "root": "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", + "codeHash": "87874902497a5bb968da31a2998d8f22e949d1ef6214bcdedd8bae24cca4b9e3", + "storage": {} + } + } +}` + if got != want { + c.Errorf("dump mismatch:\ngot: %s\nwant: %s\n", got, want) + } +} + +func (s *StateSuite) SetUpTest(c *checker.C) { + db, _ := ethdb.NewMemDatabase() + s.state = New(common.Hash{}, db) +} + +func TestNull(t *testing.T) { + db, _ := ethdb.NewMemDatabase() + state := New(common.Hash{}, db) + + address := common.HexToAddress("0x823140710bf13990e4500136726d8b55") + state.NewStateObject(address) + //value := common.FromHex("0x823140710bf13990e4500136726d8b55") + value := make([]byte, 16) + state.SetState(address, common.Hash{}, value) + state.Update(nil) + state.Sync() + value = state.GetState(address, common.Hash{}) +} + +func (s *StateSuite) TestSnapshot(c *checker.C) { + stateobjaddr := toAddr([]byte("aa")) + storageaddr := common.Big("0") + data1 := common.NewValue(42) + data2 := common.NewValue(43) + + // get state object + stateObject := s.state.GetOrNewStateObject(stateobjaddr) + // set inital state object value + stateObject.SetStorage(storageaddr, data1) + // get snapshot of current state + snapshot := s.state.Copy() + + // get state object. is this strictly necessary? + stateObject = s.state.GetStateObject(stateobjaddr) + // set new state object value + stateObject.SetStorage(storageaddr, data2) + // restore snapshot + s.state.Set(snapshot) + + // get state object + stateObject = s.state.GetStateObject(stateobjaddr) + // get state storage value + res := stateObject.GetStorage(storageaddr) + + c.Assert(data1, checker.DeepEquals, res) +} |