forked from cerc-io/plugeth
internal/ethapi: fix codehash lookup in eth_getProof (#28357)
This change fixes #28355, where eth_getProof failed to return the correct codehash under certain conditions. This PR changes the logic to unconditionally look up the codehash, and also adds some more tests.
This commit is contained in:
Martin Holst Swende
GitHub
parent
a5544d35f6
commit
8b99ad4602
@ -41,6 +41,7 @@ import (
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var (
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testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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testAddr = crypto.PubkeyToAddress(testKey.PublicKey)
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testContract = common.HexToAddress("0xbeef")
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testSlot = common.HexToHash("0xdeadbeef")
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testValue = crypto.Keccak256Hash(testSlot[:])
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testBalance = big.NewInt(2e15)
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@ -79,7 +80,8 @@ func newTestBackend(t *testing.T) (*node.Node, []*types.Block) {
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func generateTestChain() (*core.Genesis, []*types.Block) {
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genesis := &core.Genesis{
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Config: params.AllEthashProtocolChanges,
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Alloc: core.GenesisAlloc{testAddr: {Balance: testBalance, Storage: map[common.Hash]common.Hash{testSlot: testValue}}},
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Alloc: core.GenesisAlloc{testAddr: {Balance: testBalance, Storage: map[common.Hash]common.Hash{testSlot: testValue}},
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testContract: {Nonce: 1, Code: []byte{0x13, 0x37}}},
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ExtraData: []byte("test genesis"),
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Timestamp: 9000,
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}
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@ -103,8 +105,11 @@ func TestGethClient(t *testing.T) {
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test func(t *testing.T)
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}{
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{
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"TestGetProof",
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func(t *testing.T) { testGetProof(t, client) },
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"TestGetProof1",
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func(t *testing.T) { testGetProof(t, client, testAddr) },
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}, {
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"TestGetProof2",
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func(t *testing.T) { testGetProof(t, client, testContract) },
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}, {
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"TestGetProofCanonicalizeKeys",
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func(t *testing.T) { testGetProofCanonicalizeKeys(t, client) },
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@ -201,39 +206,42 @@ func testAccessList(t *testing.T, client *rpc.Client) {
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}
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}
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func testGetProof(t *testing.T, client *rpc.Client) {
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func testGetProof(t *testing.T, client *rpc.Client, addr common.Address) {
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ec := New(client)
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ethcl := ethclient.NewClient(client)
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result, err := ec.GetProof(context.Background(), testAddr, []string{testSlot.String()}, nil)
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result, err := ec.GetProof(context.Background(), addr, []string{testSlot.String()}, nil)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(result.Address[:], testAddr[:]) {
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t.Fatalf("unexpected address, want: %v got: %v", testAddr, result.Address)
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if result.Address != addr {
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t.Fatalf("unexpected address, have: %v want: %v", result.Address, addr)
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}
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// test nonce
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nonce, _ := ethcl.NonceAt(context.Background(), result.Address, nil)
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if result.Nonce != nonce {
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if nonce, _ := ethcl.NonceAt(context.Background(), addr, nil); result.Nonce != nonce {
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t.Fatalf("invalid nonce, want: %v got: %v", nonce, result.Nonce)
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}
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// test balance
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balance, _ := ethcl.BalanceAt(context.Background(), result.Address, nil)
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if result.Balance.Cmp(balance) != 0 {
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if balance, _ := ethcl.BalanceAt(context.Background(), addr, nil); result.Balance.Cmp(balance) != 0 {
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t.Fatalf("invalid balance, want: %v got: %v", balance, result.Balance)
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}
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// test storage
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if len(result.StorageProof) != 1 {
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t.Fatalf("invalid storage proof, want 1 proof, got %v proof(s)", len(result.StorageProof))
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}
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proof := result.StorageProof[0]
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slotValue, _ := ethcl.StorageAt(context.Background(), testAddr, testSlot, nil)
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if !bytes.Equal(slotValue, proof.Value.Bytes()) {
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t.Fatalf("invalid storage proof value, want: %v, got: %v", slotValue, proof.Value.Bytes())
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}
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for _, proof := range result.StorageProof {
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if proof.Key != testSlot.String() {
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t.Fatalf("invalid storage proof key, want: %q, got: %q", testSlot.String(), proof.Key)
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}
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slotValue, _ := ethcl.StorageAt(context.Background(), addr, common.HexToHash(proof.Key), nil)
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if have, want := common.BigToHash(proof.Value), common.BytesToHash(slotValue); have != want {
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t.Fatalf("addr %x, invalid storage proof value: have: %v, want: %v", addr, have, want)
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}
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}
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// test code
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code, _ := ethcl.CodeAt(context.Background(), addr, nil)
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if have, want := result.CodeHash, crypto.Keccak256Hash(code); have != want {
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t.Fatalf("codehash wrong, have %v want %v ", have, want)
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}
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}
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func testGetProofCanonicalizeKeys(t *testing.T, client *rpc.Client) {
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@ -675,10 +675,6 @@ func (s *BlockChainAPI) GetProof(ctx context.Context, address common.Address, st
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keys = make([]common.Hash, len(storageKeys))
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keyLengths = make([]int, len(storageKeys))
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storageProof = make([]StorageResult, len(storageKeys))
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storageTrie state.Trie
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storageHash = types.EmptyRootHash
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codeHash = types.EmptyCodeHash
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)
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// Deserialize all keys. This prevents state access on invalid input.
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for i, hexKey := range storageKeys {
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@ -688,23 +684,22 @@ func (s *BlockChainAPI) GetProof(ctx context.Context, address common.Address, st
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return nil, err
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}
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}
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state, header, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
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if state == nil || err != nil {
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statedb, header, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
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if statedb == nil || err != nil {
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return nil, err
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}
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if storageRoot := state.GetStorageRoot(address); storageRoot != types.EmptyRootHash && storageRoot != (common.Hash{}) {
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codeHash := statedb.GetCodeHash(address)
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storageRoot := statedb.GetStorageRoot(address)
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if len(keys) > 0 {
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var storageTrie state.Trie
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if storageRoot != types.EmptyRootHash && storageRoot != (common.Hash{}) {
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id := trie.StorageTrieID(header.Root, crypto.Keccak256Hash(address.Bytes()), storageRoot)
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tr, err := trie.NewStateTrie(id, state.Database().TrieDB())
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st, err := trie.NewStateTrie(id, statedb.Database().TrieDB())
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if err != nil {
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return nil, err
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}
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storageTrie = tr
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}
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// If we have a storageTrie, the account exists and we must update
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// the storage root hash and the code hash.
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if storageTrie != nil {
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storageHash = storageTrie.Hash()
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codeHash = state.GetCodeHash(address)
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storageTrie = st
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}
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// Create the proofs for the storageKeys.
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for i, key := range keys {
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@ -718,7 +713,6 @@ func (s *BlockChainAPI) GetProof(ctx context.Context, address common.Address, st
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} else {
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outputKey = hexutil.Encode(key[:])
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}
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if storageTrie == nil {
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storageProof[i] = StorageResult{outputKey, &hexutil.Big{}, []string{}}
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continue
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@ -727,12 +721,12 @@ func (s *BlockChainAPI) GetProof(ctx context.Context, address common.Address, st
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if err := storageTrie.Prove(crypto.Keccak256(key.Bytes()), &proof); err != nil {
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return nil, err
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}
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value := (*hexutil.Big)(state.GetState(address, key).Big())
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value := (*hexutil.Big)(statedb.GetState(address, key).Big())
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storageProof[i] = StorageResult{outputKey, value, proof}
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}
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}
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// Create the accountProof.
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tr, err := trie.NewStateTrie(trie.StateTrieID(header.Root), state.Database().TrieDB())
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tr, err := trie.NewStateTrie(trie.StateTrieID(header.Root), statedb.Database().TrieDB())
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if err != nil {
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return nil, err
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}
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@ -743,12 +737,12 @@ func (s *BlockChainAPI) GetProof(ctx context.Context, address common.Address, st
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return &AccountResult{
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Address: address,
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AccountProof: accountProof,
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Balance: (*hexutil.Big)(state.GetBalance(address)),
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Balance: (*hexutil.Big)(statedb.GetBalance(address)),
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CodeHash: codeHash,
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Nonce: hexutil.Uint64(state.GetNonce(address)),
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StorageHash: storageHash,
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Nonce: hexutil.Uint64(statedb.GetNonce(address)),
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StorageHash: storageRoot,
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StorageProof: storageProof,
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}, state.Error()
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}, statedb.Error()
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}
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// decodeHash parses a hex-encoded 32-byte hash. The input may optionally
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