aboutsummaryrefslogtreecommitdiffstats
path: root/light/odr_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'light/odr_test.go')
-rw-r--r--light/odr_test.go323
1 files changed, 323 insertions, 0 deletions
diff --git a/light/odr_test.go b/light/odr_test.go
new file mode 100644
index 000000000..1cf9bce3c
--- /dev/null
+++ b/light/odr_test.go
@@ -0,0 +1,323 @@
+package light
+
+import (
+ "bytes"
+ "errors"
+ "math/big"
+ "testing"
+ "time"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/core"
+ "github.com/ethereum/go-ethereum/core/state"
+ "github.com/ethereum/go-ethereum/core/types"
+ "github.com/ethereum/go-ethereum/core/vm"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/params"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
+ "golang.org/x/net/context"
+)
+
+var (
+ testBankKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+ testBankAddress = crypto.PubkeyToAddress(testBankKey.PublicKey)
+ testBankFunds = big.NewInt(100000000)
+
+ acc1Key, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
+ acc2Key, _ = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
+ acc1Addr = crypto.PubkeyToAddress(acc1Key.PublicKey)
+ acc2Addr = crypto.PubkeyToAddress(acc2Key.PublicKey)
+
+ testContractCode = common.Hex2Bytes("606060405260cc8060106000396000f360606040526000357c01000000000000000000000000000000000000000000000000000000009004806360cd2685146041578063c16431b914606b57603f565b005b6055600480803590602001909190505060a9565b6040518082815260200191505060405180910390f35b60886004808035906020019091908035906020019091905050608a565b005b80600060005083606481101560025790900160005b50819055505b5050565b6000600060005082606481101560025790900160005b5054905060c7565b91905056")
+ testContractAddr common.Address
+)
+
+type testOdr struct {
+ OdrBackend
+ sdb, ldb ethdb.Database
+ disable bool
+}
+
+func (odr *testOdr) Database() ethdb.Database {
+ return odr.ldb
+}
+
+var ErrOdrDisabled = errors.New("ODR disabled")
+
+func (odr *testOdr) Retrieve(ctx context.Context, req OdrRequest) error {
+ if odr.disable {
+ return ErrOdrDisabled
+ }
+ switch req := req.(type) {
+ case *BlockRequest:
+ req.Rlp = core.GetBodyRLP(odr.sdb, req.Hash, core.GetBlockNumber(odr.sdb, req.Hash))
+ case *ReceiptsRequest:
+ req.Receipts = core.GetBlockReceipts(odr.sdb, req.Hash, core.GetBlockNumber(odr.sdb, req.Hash))
+ case *TrieRequest:
+ t, _ := trie.New(req.Id.Root, odr.sdb)
+ req.Proof = t.Prove(req.Key)
+ case *CodeRequest:
+ req.Data, _ = odr.sdb.Get(req.Hash[:])
+ }
+ req.StoreResult(odr.ldb)
+ return nil
+}
+
+type odrTestFn func(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) []byte
+
+func TestOdrGetBlockLes1(t *testing.T) { testChainOdr(t, 1, 1, odrGetBlock) }
+
+func odrGetBlock(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) []byte {
+ var block *types.Block
+ if bc != nil {
+ block = bc.GetBlockByHash(bhash)
+ } else {
+ block, _ = lc.GetBlockByHash(ctx, bhash)
+ }
+ if block == nil {
+ return nil
+ }
+ rlp, _ := rlp.EncodeToBytes(block)
+ return rlp
+}
+
+func TestOdrGetReceiptsLes1(t *testing.T) { testChainOdr(t, 1, 1, odrGetReceipts) }
+
+func odrGetReceipts(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) []byte {
+ var receipts types.Receipts
+ if bc != nil {
+ receipts = core.GetBlockReceipts(db, bhash, core.GetBlockNumber(db, bhash))
+ } else {
+ receipts, _ = GetBlockReceipts(ctx, lc.Odr(), bhash, core.GetBlockNumber(db, bhash))
+ }
+ if receipts == nil {
+ return nil
+ }
+ rlp, _ := rlp.EncodeToBytes(receipts)
+ return rlp
+}
+
+func TestOdrAccountsLes1(t *testing.T) { testChainOdr(t, 1, 1, odrAccounts) }
+
+func odrAccounts(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) []byte {
+ dummyAddr := common.HexToAddress("1234567812345678123456781234567812345678")
+ acc := []common.Address{testBankAddress, acc1Addr, acc2Addr, dummyAddr}
+
+ var res []byte
+ for _, addr := range acc {
+ if bc != nil {
+ header := bc.GetHeaderByHash(bhash)
+ st, err := state.New(header.Root, db)
+ if err == nil {
+ bal := st.GetBalance(addr)
+ rlp, _ := rlp.EncodeToBytes(bal)
+ res = append(res, rlp...)
+ }
+ } else {
+ header := lc.GetHeaderByHash(bhash)
+ st := NewLightState(StateTrieID(header), lc.Odr())
+ bal, err := st.GetBalance(ctx, addr)
+ if err == nil {
+ rlp, _ := rlp.EncodeToBytes(bal)
+ res = append(res, rlp...)
+ }
+ }
+ }
+
+ return res
+}
+
+func TestOdrContractCallLes1(t *testing.T) { testChainOdr(t, 1, 2, odrContractCall) }
+
+// fullcallmsg is the message type used for call transations.
+type fullcallmsg struct {
+ from *state.StateObject
+ to *common.Address
+ gas, gasPrice *big.Int
+ value *big.Int
+ data []byte
+}
+
+// accessor boilerplate to implement core.Message
+func (m fullcallmsg) From() (common.Address, error) { return m.from.Address(), nil }
+func (m fullcallmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
+func (m fullcallmsg) Nonce() uint64 { return 0 }
+func (m fullcallmsg) CheckNonce() bool { return false }
+func (m fullcallmsg) To() *common.Address { return m.to }
+func (m fullcallmsg) GasPrice() *big.Int { return m.gasPrice }
+func (m fullcallmsg) Gas() *big.Int { return m.gas }
+func (m fullcallmsg) Value() *big.Int { return m.value }
+func (m fullcallmsg) Data() []byte { return m.data }
+
+// callmsg is the message type used for call transations.
+type lightcallmsg struct {
+ from *StateObject
+ to *common.Address
+ gas, gasPrice *big.Int
+ value *big.Int
+ data []byte
+}
+
+// accessor boilerplate to implement core.Message
+func (m lightcallmsg) From() (common.Address, error) { return m.from.Address(), nil }
+func (m lightcallmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
+func (m lightcallmsg) Nonce() uint64 { return 0 }
+func (m lightcallmsg) CheckNonce() bool { return false }
+func (m lightcallmsg) To() *common.Address { return m.to }
+func (m lightcallmsg) GasPrice() *big.Int { return m.gasPrice }
+func (m lightcallmsg) Gas() *big.Int { return m.gas }
+func (m lightcallmsg) Value() *big.Int { return m.value }
+func (m lightcallmsg) Data() []byte { return m.data }
+
+func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) []byte {
+ data := common.Hex2Bytes("60CD26850000000000000000000000000000000000000000000000000000000000000000")
+
+ var res []byte
+ for i := 0; i < 3; i++ {
+ data[35] = byte(i)
+ if bc != nil {
+ header := bc.GetHeaderByHash(bhash)
+ statedb, err := state.New(header.Root, db)
+ if err == nil {
+ from := statedb.GetOrNewStateObject(testBankAddress)
+ from.SetBalance(common.MaxBig)
+
+ msg := fullcallmsg{
+ from: from,
+ gas: big.NewInt(100000),
+ gasPrice: big.NewInt(0),
+ value: big.NewInt(0),
+ data: data,
+ to: &testContractAddr,
+ }
+
+ vmenv := core.NewEnv(statedb, testChainConfig(), bc, msg, header, vm.Config{})
+ gp := new(core.GasPool).AddGas(common.MaxBig)
+ ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
+ res = append(res, ret...)
+ }
+ } else {
+ header := lc.GetHeaderByHash(bhash)
+ state := NewLightState(StateTrieID(header), lc.Odr())
+ from, err := state.GetOrNewStateObject(ctx, testBankAddress)
+ if err == nil {
+ from.SetBalance(common.MaxBig)
+
+ msg := lightcallmsg{
+ from: from,
+ gas: big.NewInt(100000),
+ gasPrice: big.NewInt(0),
+ value: big.NewInt(0),
+ data: data,
+ to: &testContractAddr,
+ }
+
+ vmenv := NewEnv(ctx, state, testChainConfig(), lc, msg, header, vm.Config{})
+ gp := new(core.GasPool).AddGas(common.MaxBig)
+ ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
+ if vmenv.Error() == nil {
+ res = append(res, ret...)
+ }
+ }
+ }
+ }
+ return res
+}
+
+func testChainGen(i int, block *core.BlockGen) {
+ switch i {
+ case 0:
+ // In block 1, the test bank sends account #1 some ether.
+ tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+ block.AddTx(tx)
+ case 1:
+ // In block 2, the test bank sends some more ether to account #1.
+ // acc1Addr passes it on to account #2.
+ // acc1Addr creates a test contract.
+ tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+ nonce := block.TxNonce(acc1Addr)
+ tx2, _ := types.NewTransaction(nonce, acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
+ nonce++
+ tx3, _ := types.NewContractCreation(nonce, big.NewInt(0), big.NewInt(1000000), big.NewInt(0), testContractCode).SignECDSA(acc1Key)
+ testContractAddr = crypto.CreateAddress(acc1Addr, nonce)
+ block.AddTx(tx1)
+ block.AddTx(tx2)
+ block.AddTx(tx3)
+ case 2:
+ // Block 3 is empty but was mined by account #2.
+ block.SetCoinbase(acc2Addr)
+ block.SetExtra([]byte("yeehaw"))
+ data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001")
+ tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(testBankKey)
+ block.AddTx(tx)
+ case 3:
+ // Block 4 includes blocks 2 and 3 as uncle headers (with modified extra data).
+ b2 := block.PrevBlock(1).Header()
+ b2.Extra = []byte("foo")
+ block.AddUncle(b2)
+ b3 := block.PrevBlock(2).Header()
+ b3.Extra = []byte("foo")
+ block.AddUncle(b3)
+ data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002")
+ tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data).SignECDSA(testBankKey)
+ block.AddTx(tx)
+ }
+}
+
+func testChainOdr(t *testing.T, protocol int, expFail uint64, fn odrTestFn) {
+ var (
+ evmux = new(event.TypeMux)
+ pow = new(core.FakePow)
+ sdb, _ = ethdb.NewMemDatabase()
+ ldb, _ = ethdb.NewMemDatabase()
+ genesis = core.WriteGenesisBlockForTesting(sdb, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
+ )
+ core.WriteGenesisBlockForTesting(ldb, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
+ // Assemble the test environment
+ blockchain, _ := core.NewBlockChain(sdb, testChainConfig(), pow, evmux)
+ gchain, _ := core.GenerateChain(nil, genesis, sdb, 4, testChainGen)
+ if _, err := blockchain.InsertChain(gchain); err != nil {
+ panic(err)
+ }
+
+ odr := &testOdr{sdb: sdb, ldb: ldb}
+ lightchain, _ := NewLightChain(odr, testChainConfig(), pow, evmux)
+ lightchain.SetValidator(bproc{})
+ headers := make([]*types.Header, len(gchain))
+ for i, block := range gchain {
+ headers[i] = block.Header()
+ }
+ if _, err := lightchain.InsertHeaderChain(headers, 1); err != nil {
+ panic(err)
+ }
+
+ test := func(expFail uint64) {
+ for i := uint64(0); i <= blockchain.CurrentHeader().GetNumberU64(); i++ {
+ bhash := core.GetCanonicalHash(sdb, i)
+ b1 := fn(NoOdr, sdb, blockchain, nil, bhash)
+ ctx, _ := context.WithTimeout(context.Background(), 200*time.Millisecond)
+ b2 := fn(ctx, ldb, nil, lightchain, bhash)
+ eq := bytes.Equal(b1, b2)
+ exp := i < expFail
+ if exp && !eq {
+ t.Errorf("odr mismatch")
+ }
+ if !exp && eq {
+ t.Errorf("unexpected odr match")
+ }
+ }
+ }
+
+ odr.disable = true
+ // expect retrievals to fail (except genesis block) without a les peer
+ test(expFail)
+ odr.disable = false
+ // expect all retrievals to pass
+ test(5)
+ odr.disable = true
+ // still expect all retrievals to pass, now data should be cached locally
+ test(5)
+}
generated by cgit (git 2.34.1) at 2024-11-14 10:39:50 +0800