forked from cerc-io/plugeth
cmd/devp2p: implement snap protocol testing (#24276)
This also contains some changes to the protocol handler to make the tests pass.
This commit is contained in:
Martin Holst Swende
GitHub
parent
aaca58a7a1
commit
6ce4670bc0
@ -26,6 +26,7 @@ import (
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"os"
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"strings"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/forkid"
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"github.com/ethereum/go-ethereum/core/types"
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@ -67,6 +68,13 @@ func (c *Chain) TotalDifficultyAt(height int) *big.Int {
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return sum
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}
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func (c *Chain) RootAt(height int) common.Hash {
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if height < c.Len() {
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return c.blocks[height].Root()
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}
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return common.Hash{}
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}
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// ForkID gets the fork id of the chain.
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func (c *Chain) ForkID() forkid.ID {
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return forkid.NewID(c.chainConfig, c.blocks[0].Hash(), uint64(c.Len()))
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@ -96,6 +96,19 @@ func (s *Suite) dial66() (*Conn, error) {
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return conn, nil
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}
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// dial66 attempts to dial the given node and perform a handshake,
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// returning the created Conn with additional snap/1 capabilities if
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// successful.
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func (s *Suite) dialSnap() (*Conn, error) {
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conn, err := s.dial66()
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if err != nil {
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return nil, fmt.Errorf("dial failed: %v", err)
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}
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conn.caps = append(conn.caps, p2p.Cap{Name: "snap", Version: 1})
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conn.ourHighestSnapProtoVersion = 1
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return conn, nil
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}
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// peer performs both the protocol handshake and the status message
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// exchange with the node in order to peer with it.
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func (c *Conn) peer(chain *Chain, status *Status) error {
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@ -131,7 +144,11 @@ func (c *Conn) handshake() error {
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}
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c.negotiateEthProtocol(msg.Caps)
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if c.negotiatedProtoVersion == 0 {
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return fmt.Errorf("could not negotiate protocol (remote caps: %v, local eth version: %v)", msg.Caps, c.ourHighestProtoVersion)
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return fmt.Errorf("could not negotiate eth protocol (remote caps: %v, local eth version: %v)", msg.Caps, c.ourHighestProtoVersion)
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}
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// If we require snap, verify that it was negotiated
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if c.ourHighestSnapProtoVersion != c.negotiatedSnapProtoVersion {
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return fmt.Errorf("could not negotiate snap protocol (remote caps: %v, local snap version: %v)", msg.Caps, c.ourHighestSnapProtoVersion)
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}
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return nil
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default:
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@ -143,15 +160,21 @@ func (c *Conn) handshake() error {
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// advertised capability from peer.
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func (c *Conn) negotiateEthProtocol(caps []p2p.Cap) {
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var highestEthVersion uint
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var highestSnapVersion uint
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for _, capability := range caps {
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if capability.Name != "eth" {
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continue
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}
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if capability.Version > highestEthVersion && capability.Version <= c.ourHighestProtoVersion {
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highestEthVersion = capability.Version
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switch capability.Name {
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case "eth":
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if capability.Version > highestEthVersion && capability.Version <= c.ourHighestProtoVersion {
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highestEthVersion = capability.Version
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}
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case "snap":
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if capability.Version > highestSnapVersion && capability.Version <= c.ourHighestSnapProtoVersion {
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highestSnapVersion = capability.Version
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}
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}
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}
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c.negotiatedProtoVersion = highestEthVersion
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c.negotiatedSnapProtoVersion = highestSnapVersion
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}
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// statusExchange performs a `Status` message exchange with the given node.
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@ -325,6 +348,15 @@ func (c *Conn) headersRequest(request *GetBlockHeaders, chain *Chain, isEth66 bo
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}
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}
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func (c *Conn) snapRequest(msg Message, id uint64, chain *Chain) (Message, error) {
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defer c.SetReadDeadline(time.Time{})
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c.SetReadDeadline(time.Now().Add(5 * time.Second))
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if err := c.Write(msg); err != nil {
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return nil, fmt.Errorf("could not write to connection: %v", err)
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}
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return c.ReadSnap(id)
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}
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// getBlockHeaders66 executes the given `GetBlockHeaders` request over the eth66 protocol.
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func getBlockHeaders66(chain *Chain, conn *Conn, request *GetBlockHeaders, id uint64) (BlockHeaders, error) {
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// write request
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675
cmd/devp2p/internal/ethtest/snap.go
Normal file
675
cmd/devp2p/internal/ethtest/snap.go
Normal file
@ -0,0 +1,675 @@
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// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package ethtest
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import (
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"bytes"
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"errors"
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"fmt"
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"math/rand"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/eth/protocols/snap"
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"github.com/ethereum/go-ethereum/internal/utesting"
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"github.com/ethereum/go-ethereum/light"
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"github.com/ethereum/go-ethereum/trie"
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"golang.org/x/crypto/sha3"
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)
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func (s *Suite) TestSnapStatus(t *utesting.T) {
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conn, err := s.dialSnap()
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if err != nil {
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t.Fatalf("dial failed: %v", err)
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}
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defer conn.Close()
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if err := conn.peer(s.chain, nil); err != nil {
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t.Fatalf("peering failed: %v", err)
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}
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}
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type accRangeTest struct {
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nBytes uint64
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root common.Hash
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origin common.Hash
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limit common.Hash
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expAccounts int
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expFirst common.Hash
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expLast common.Hash
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}
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// TestSnapGetAccountRange various forms of GetAccountRange requests.
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func (s *Suite) TestSnapGetAccountRange(t *utesting.T) {
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var (
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root = s.chain.RootAt(999)
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ffHash = common.HexToHash("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")
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zero = common.Hash{}
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firstKeyMinus1 = common.HexToHash("0x00bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf29")
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firstKey = common.HexToHash("0x00bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a")
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firstKeyPlus1 = common.HexToHash("0x00bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2b")
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secondKey = common.HexToHash("0x09e47cd5056a689e708f22fe1f932709a320518e444f5f7d8d46a3da523d6606")
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storageRoot = common.HexToHash("0xbe3d75a1729be157e79c3b77f00206db4d54e3ea14375a015451c88ec067c790")
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)
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for i, tc := range []accRangeTest{
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// Tests decreasing the number of bytes
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{4000, root, zero, ffHash, 76, firstKey, common.HexToHash("0xd2669dcf3858e7f1eecb8b5fedbf22fbea3e9433848a75035f79d68422c2dcda")},
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{3000, root, zero, ffHash, 57, firstKey, common.HexToHash("0x9b63fa753ece5cb90657d02ecb15df4dc1508d8c1d187af1bf7f1a05e747d3c7")},
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{2000, root, zero, ffHash, 38, firstKey, common.HexToHash("0x5e6140ecae4354a9e8f47559a8c6209c1e0e69cb077b067b528556c11698b91f")},
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{1, root, zero, ffHash, 1, firstKey, firstKey},
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// Tests variations of the range
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//
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// [00b to firstkey]: should return [firstkey, secondkey], where secondkey is out of bounds
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{4000, root, common.HexToHash("0x00bf000000000000000000000000000000000000000000000000000000000000"), common.HexToHash("0x00bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2b"), 2, firstKey, secondKey},
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// [00b0 to 0bf0]: where both are before firstkey. Should return firstKey (even though it's out of bounds)
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{4000, root, common.HexToHash("0x00b0000000000000000000000000000000000000000000000000000000000000"), common.HexToHash("0x00bf100000000000000000000000000000000000000000000000000000000000"), 1, firstKey, firstKey},
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{4000, root, zero, zero, 1, firstKey, firstKey},
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{4000, root, firstKey, ffHash, 76, firstKey, common.HexToHash("0xd2669dcf3858e7f1eecb8b5fedbf22fbea3e9433848a75035f79d68422c2dcda")},
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{4000, root, firstKeyPlus1, ffHash, 76, secondKey, common.HexToHash("0xd28f55d3b994f16389f36944ad685b48e0fc3f8fbe86c3ca92ebecadf16a783f")},
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// Test different root hashes
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//
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// A stateroot that does not exist
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{4000, common.Hash{0x13, 37}, zero, ffHash, 0, zero, zero},
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// The genesis stateroot (we expect it to not be served)
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{4000, s.chain.RootAt(0), zero, ffHash, 0, zero, zero},
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// A 127 block old stateroot, expected to be served
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{4000, s.chain.RootAt(999 - 127), zero, ffHash, 77, firstKey, common.HexToHash("0xe4c6fdef5dd4e789a2612390806ee840b8ec0fe52548f8b4efe41abb20c37aac")},
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// A root which is not actually an account root, but a storage orot
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{4000, storageRoot, zero, ffHash, 0, zero, zero},
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// And some non-sensical requests
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//
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// range from [0xFF to 0x00], wrong order. Expect not to be serviced
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{4000, root, ffHash, zero, 0, zero, zero},
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// range from [firstkey, firstkey-1], wrong order. Expect to get first key.
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{4000, root, firstKey, firstKeyMinus1, 1, firstKey, firstKey},
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// range from [firstkey, 0], wrong order. Expect to get first key.
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{4000, root, firstKey, zero, 1, firstKey, firstKey},
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// Max bytes: 0. Expect to deliver one account.
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{0, root, zero, ffHash, 1, firstKey, firstKey},
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} {
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if err := s.snapGetAccountRange(t, &tc); err != nil {
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t.Errorf("test %d \n root: %x\n range: %#x - %#x\n bytes: %d\nfailed: %v", i, tc.root, tc.origin, tc.limit, tc.nBytes, err)
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}
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}
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}
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type stRangesTest struct {
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root common.Hash
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accounts []common.Hash
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origin []byte
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limit []byte
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nBytes uint64
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expSlots int
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}
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// TestSnapGetStorageRange various forms of GetStorageRanges requests.
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func (s *Suite) TestSnapGetStorageRanges(t *utesting.T) {
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var (
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ffHash = common.HexToHash("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")
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zero = common.Hash{}
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firstKey = common.HexToHash("0x00bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a")
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secondKey = common.HexToHash("0x09e47cd5056a689e708f22fe1f932709a320518e444f5f7d8d46a3da523d6606")
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)
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for i, tc := range []stRangesTest{
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{
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root: s.chain.RootAt(999),
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accounts: []common.Hash{secondKey, firstKey},
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origin: zero[:],
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limit: ffHash[:],
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nBytes: 500,
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expSlots: 0,
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},
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/*
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Some tests against this account:
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{
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"balance": "0",
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"nonce": 1,
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"root": "0xbe3d75a1729be157e79c3b77f00206db4d54e3ea14375a015451c88ec067c790",
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"codeHash": "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
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"storage": {
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"0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace": "02",
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"0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6": "01",
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"0xc2575a0e9e593c00f959f8c92f12db2869c3395a3b0502d05e2516446f71f85b": "03"
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},
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"key": "0xf493f79c43bd747129a226ad42529885a4b108aba6046b2d12071695a6627844"
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}
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*/
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{ // [:] -> [slot1, slot2, slot3]
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root: s.chain.RootAt(999),
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accounts: []common.Hash{common.HexToHash("0xf493f79c43bd747129a226ad42529885a4b108aba6046b2d12071695a6627844")},
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origin: zero[:],
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limit: ffHash[:],
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nBytes: 500,
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expSlots: 3,
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},
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{ // [slot1:] -> [slot1, slot2, slot3]
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root: s.chain.RootAt(999),
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accounts: []common.Hash{common.HexToHash("0xf493f79c43bd747129a226ad42529885a4b108aba6046b2d12071695a6627844")},
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origin: common.FromHex("0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace"),
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limit: ffHash[:],
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nBytes: 500,
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expSlots: 3,
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},
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{ // [slot1+ :] -> [slot2, slot3]
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root: s.chain.RootAt(999),
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accounts: []common.Hash{common.HexToHash("0xf493f79c43bd747129a226ad42529885a4b108aba6046b2d12071695a6627844")},
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origin: common.FromHex("0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5acf"),
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limit: ffHash[:],
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nBytes: 500,
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expSlots: 2,
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},
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{ // [slot1:slot2] -> [slot1, slot2]
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root: s.chain.RootAt(999),
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accounts: []common.Hash{common.HexToHash("0xf493f79c43bd747129a226ad42529885a4b108aba6046b2d12071695a6627844")},
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origin: common.FromHex("0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace"),
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limit: common.FromHex("0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6"),
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nBytes: 500,
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expSlots: 2,
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},
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{ // [slot1+:slot2+] -> [slot2, slot3]
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root: s.chain.RootAt(999),
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accounts: []common.Hash{common.HexToHash("0xf493f79c43bd747129a226ad42529885a4b108aba6046b2d12071695a6627844")},
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origin: common.FromHex("0x4fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
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limit: common.FromHex("0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf7"),
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nBytes: 500,
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expSlots: 2,
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},
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} {
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if err := s.snapGetStorageRanges(t, &tc); err != nil {
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t.Errorf("test %d \n root: %x\n range: %#x - %#x\n bytes: %d\n #accounts: %d\nfailed: %v",
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i, tc.root, tc.origin, tc.limit, tc.nBytes, len(tc.accounts), err)
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}
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}
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}
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type byteCodesTest struct {
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nBytes uint64
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hashes []common.Hash
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expHashes int
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}
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var (
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// emptyRoot is the known root hash of an empty trie.
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emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
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// emptyCode is the known hash of the empty EVM bytecode.
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emptyCode = common.HexToHash("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470")
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)
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// TestSnapGetByteCodes various forms of GetByteCodes requests.
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func (s *Suite) TestSnapGetByteCodes(t *utesting.T) {
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// The halfchain import should yield these bytecodes
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var hcBytecodes []common.Hash
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for _, s := range []string{
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"0x200c90460d8b0063210d5f5b9918e053c8f2c024485e0f1b48be8b1fc71b1317",
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"0x20ba67ed4ac6aff626e0d1d4db623e2fada9593daeefc4a6eb4b70e6cff986f3",
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"0x24b5b4902cb3d897c1cee9f16be8e897d8fa277c04c6dc8214f18295fca5de44",
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"0x320b9d0a2be39b8a1c858f9f8cb96b1df0983071681de07ded3a7c0d05db5fd6",
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"0x48cb0d5275936a24632babc7408339f9f7b051274809de565b8b0db76e97e03c",
|
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"0x67c7a6f5cdaa43b4baa0e15b2be63346d1b9ce9f2c3d7e5804e0cacd44ee3b04",
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"0x6d8418059bdc8c3fabf445e6bfc662af3b6a4ae45999b953996e42c7ead2ab49",
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"0x7043422e5795d03f17ee0463a37235258e609fdd542247754895d72695e3e142",
|
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"0x727f9e6f0c4bac1ff8d72c2972122d9c8d37ccb37e04edde2339e8da193546f1",
|
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"0x86ccd5e23c78568a8334e0cebaf3e9f48c998307b0bfb1c378cee83b4bfb29cb",
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"0x8fc89b00d6deafd4c4279531e743365626dbfa28845ec697919d305c2674302d",
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"0x92cfc353bcb9746bb6f9996b6b9df779c88af2e9e0eeac44879ca19887c9b732",
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"0x941b4872104f0995a4898fcf0f615ea6bf46bfbdfcf63ea8f2fd45b3f3286b77",
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"0xa02fe8f41159bb39d2b704c633c3d6389cf4bfcb61a2539a9155f60786cf815f",
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"0xa4b94e0afdffcb0af599677709dac067d3145489ea7aede57672bee43e3b7373",
|
||||
"0xaf4e64edd3234c1205b725e42963becd1085f013590bd7ed93f8d711c5eb65fb",
|
||||
"0xb69a18fa855b742031420081999086f6fb56c3930ae8840944e8b8ae9931c51e",
|
||||
"0xc246c217bc73ce6666c93a93a94faa5250564f50a3fdc27ea74c231c07fe2ca6",
|
||||
"0xcd6e4ab2c3034df2a8a1dfaaeb1c4baecd162a93d22de35e854ee2945cbe0c35",
|
||||
"0xe24b692d09d6fc2f3d1a6028c400a27c37d7cbb11511907c013946d6ce263d3b",
|
||||
"0xe440c5f0e8603fd1ed25976eee261ccee8038cf79d6a4c0eb31b2bf883be737f",
|
||||
"0xe6eacbc509203d21ac814b350e72934fde686b7f673c19be8cf956b0c70078ce",
|
||||
"0xe8530de4371467b5be7ea0e69e675ab36832c426d6c1ce9513817c0f0ae1486b",
|
||||
"0xe85d487abbbc83bf3423cf9731360cf4f5a37220e18e5add54e72ee20861196a",
|
||||
"0xf195ea389a5eea28db0be93660014275b158963dec44af1dfa7d4743019a9a49",
|
||||
} {
|
||||
hcBytecodes = append(hcBytecodes, common.HexToHash(s))
|
||||
}
|
||||
|
||||
for i, tc := range []byteCodesTest{
|
||||
// A few stateroots
|
||||
{
|
||||
nBytes: 10000, hashes: []common.Hash{s.chain.RootAt(0), s.chain.RootAt(999)},
|
||||
expHashes: 0,
|
||||
},
|
||||
{
|
||||
nBytes: 10000, hashes: []common.Hash{s.chain.RootAt(0), s.chain.RootAt(0)},
|
||||
expHashes: 0,
|
||||
},
|
||||
// Empties
|
||||
{
|
||||
nBytes: 10000, hashes: []common.Hash{emptyRoot},
|
||||
expHashes: 0,
|
||||
},
|
||||
{
|
||||
nBytes: 10000, hashes: []common.Hash{emptyCode},
|
||||
expHashes: 1,
|
||||
},
|
||||
{
|
||||
nBytes: 10000, hashes: []common.Hash{emptyCode, emptyCode, emptyCode},
|
||||
expHashes: 3,
|
||||
},
|
||||
// The existing bytecodes
|
||||
{
|
||||
nBytes: 10000, hashes: hcBytecodes,
|
||||
expHashes: len(hcBytecodes),
|
||||
},
|
||||
// The existing, with limited byte arg
|
||||
{
|
||||
nBytes: 1, hashes: hcBytecodes,
|
||||
expHashes: 1,
|
||||
},
|
||||
{
|
||||
nBytes: 0, hashes: hcBytecodes,
|
||||
expHashes: 1,
|
||||
},
|
||||
{
|
||||
nBytes: 1000, hashes: []common.Hash{hcBytecodes[0], hcBytecodes[0], hcBytecodes[0], hcBytecodes[0]},
|
||||
expHashes: 4,
|
||||
},
|
||||
} {
|
||||
if err := s.snapGetByteCodes(t, &tc); err != nil {
|
||||
t.Errorf("test %d \n bytes: %d\n #hashes: %d\nfailed: %v", i, tc.nBytes, len(tc.hashes), err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
type trieNodesTest struct {
|
||||
root common.Hash
|
||||
paths []snap.TrieNodePathSet
|
||||
nBytes uint64
|
||||
|
||||
expHashes []common.Hash
|
||||
expReject bool
|
||||
}
|
||||
|
||||
func decodeNibbles(nibbles []byte, bytes []byte) {
|
||||
for bi, ni := 0, 0; ni < len(nibbles); bi, ni = bi+1, ni+2 {
|
||||
bytes[bi] = nibbles[ni]<<4 | nibbles[ni+1]
|
||||
}
|
||||
}
|
||||
|
||||
// hasTerm returns whether a hex key has the terminator flag.
|
||||
func hasTerm(s []byte) bool {
|
||||
return len(s) > 0 && s[len(s)-1] == 16
|
||||
}
|
||||
|
||||
func keybytesToHex(str []byte) []byte {
|
||||
l := len(str)*2 + 1
|
||||
var nibbles = make([]byte, l)
|
||||
for i, b := range str {
|
||||
nibbles[i*2] = b / 16
|
||||
nibbles[i*2+1] = b % 16
|
||||
}
|
||||
nibbles[l-1] = 16
|
||||
return nibbles
|
||||
}
|
||||
|
||||
func hexToCompact(hex []byte) []byte {
|
||||
terminator := byte(0)
|
||||
if hasTerm(hex) {
|
||||
terminator = 1
|
||||
hex = hex[:len(hex)-1]
|
||||
}
|
||||
buf := make([]byte, len(hex)/2+1)
|
||||
buf[0] = terminator << 5 // the flag byte
|
||||
if len(hex)&1 == 1 {
|
||||
buf[0] |= 1 << 4 // odd flag
|
||||
buf[0] |= hex[0] // first nibble is contained in the first byte
|
||||
hex = hex[1:]
|
||||
}
|
||||
decodeNibbles(hex, buf[1:])
|
||||
return buf
|
||||
}
|
||||
|
||||
// TestSnapTrieNodes various forms of GetTrieNodes requests.
|
||||
func (s *Suite) TestSnapTrieNodes(t *utesting.T) {
|
||||
|
||||
key := common.FromHex("0x00bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a")
|
||||
// helper function to iterate the key, and generate the compact-encoded
|
||||
// trie paths along the way.
|
||||
pathTo := func(length int) snap.TrieNodePathSet {
|
||||
hex := keybytesToHex(key)[:length]
|
||||
hex[len(hex)-1] = 0 // remove term flag
|
||||
hKey := hexToCompact(hex)
|
||||
return snap.TrieNodePathSet{hKey}
|
||||
}
|
||||
var accPaths []snap.TrieNodePathSet
|
||||
for i := 1; i <= 65; i++ {
|
||||
accPaths = append(accPaths, pathTo(i))
|
||||
}
|
||||
empty := emptyCode
|
||||
for i, tc := range []trieNodesTest{
|
||||
{
|
||||
root: s.chain.RootAt(999),
|
||||
paths: nil,
|
||||
nBytes: 500,
|
||||
expHashes: nil,
|
||||
},
|
||||
{
|
||||
root: s.chain.RootAt(999),
|
||||
paths: []snap.TrieNodePathSet{
|
||||
snap.TrieNodePathSet{}, // zero-length pathset should 'abort' and kick us off
|
||||
snap.TrieNodePathSet{[]byte{0}},
|
||||
},
|
||||
nBytes: 5000,
|
||||
expHashes: []common.Hash{},
|
||||
expReject: true,
|
||||
},
|
||||
{
|
||||
root: s.chain.RootAt(999),
|
||||
paths: []snap.TrieNodePathSet{
|
||||
snap.TrieNodePathSet{[]byte{0}},
|
||||
snap.TrieNodePathSet{[]byte{1}, []byte{0}},
|
||||
},
|
||||
nBytes: 5000,
|
||||
//0x6b3724a41b8c38b46d4d02fba2bb2074c47a507eb16a9a4b978f91d32e406faf
|
||||
expHashes: []common.Hash{s.chain.RootAt(999)},
|
||||
},
|
||||
{ // nonsensically long path
|
||||
root: s.chain.RootAt(999),
|
||||
paths: []snap.TrieNodePathSet{
|
||||
snap.TrieNodePathSet{[]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8,
|
||||
0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8}},
|
||||
},
|
||||
nBytes: 5000,
|
||||
expHashes: []common.Hash{common.HexToHash("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470")},
|
||||
},
|
||||
{
|
||||
root: s.chain.RootAt(0),
|
||||
paths: []snap.TrieNodePathSet{
|
||||
snap.TrieNodePathSet{[]byte{0}},
|
||||
snap.TrieNodePathSet{[]byte{1}, []byte{0}},
|
||||
},
|
||||
nBytes: 5000,
|
||||
expHashes: []common.Hash{},
|
||||
},
|
||||
{
|
||||
// The leaf is only a couple of levels down, so the continued trie traversal causes lookup failures.
|
||||
root: s.chain.RootAt(999),
|
||||
paths: accPaths,
|
||||
nBytes: 5000,
|
||||
expHashes: []common.Hash{
|
||||
common.HexToHash("0xbcefee69b37cca1f5bf3a48aebe08b35f2ea1864fa958bb0723d909a0e0d28d8"),
|
||||
common.HexToHash("0x4fb1e4e2391e4b4da471d59641319b8fa25d76c973d4bec594d7b00a69ae5135"),
|
||||
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
||||
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
||||
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
||||
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
||||
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
||||
empty, empty, empty},
|
||||
},
|
||||
{
|
||||
// Basically the same as above, with different ordering
|
||||
root: s.chain.RootAt(999),
|
||||
paths: []snap.TrieNodePathSet{
|
||||
accPaths[10], accPaths[1], accPaths[0],
|
||||
},
|
||||
nBytes: 5000,
|
||||
expHashes: []common.Hash{
|
||||
empty,
|
||||
common.HexToHash("0x4fb1e4e2391e4b4da471d59641319b8fa25d76c973d4bec594d7b00a69ae5135"),
|
||||
common.HexToHash("0xbcefee69b37cca1f5bf3a48aebe08b35f2ea1864fa958bb0723d909a0e0d28d8"),
|
||||
},
|
||||
},
|
||||
} {
|
||||
if err := s.snapGetTrieNodes(t, &tc); err != nil {
|
||||
t.Errorf("test %d \n #hashes %x\n root: %#x\n bytes: %d\nfailed: %v", i, len(tc.expHashes), tc.root, tc.nBytes, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Suite) snapGetAccountRange(t *utesting.T, tc *accRangeTest) error {
|
||||
conn, err := s.dialSnap()
|
||||
if err != nil {
|
||||
t.Fatalf("dial failed: %v", err)
|
||||
}
|
||||
defer conn.Close()
|
||||
if err = conn.peer(s.chain, nil); err != nil {
|
||||
t.Fatalf("peering failed: %v", err)
|
||||
}
|
||||
// write request
|
||||
req := &GetAccountRange{
|
||||
ID: uint64(rand.Int63()),
|
||||
Root: tc.root,
|
||||
Origin: tc.origin,
|
||||
Limit: tc.limit,
|
||||
Bytes: tc.nBytes,
|
||||
}
|
||||
resp, err := conn.snapRequest(req, req.ID, s.chain)
|
||||
if err != nil {
|
||||
return fmt.Errorf("account range request failed: %v", err)
|
||||
}
|
||||
var res *snap.AccountRangePacket
|
||||
if r, ok := resp.(*AccountRange); !ok {
|
||||
return fmt.Errorf("account range response wrong: %T %v", resp, resp)
|
||||
} else {
|
||||
res = (*snap.AccountRangePacket)(r)
|
||||
}
|
||||
if exp, got := tc.expAccounts, len(res.Accounts); exp != got {
|
||||
return fmt.Errorf("expected %d accounts, got %d", exp, got)
|
||||
}
|
||||
// Check that the encoding order is correct
|
||||
for i := 1; i < len(res.Accounts); i++ {
|
||||
if bytes.Compare(res.Accounts[i-1].Hash[:], res.Accounts[i].Hash[:]) >= 0 {
|
||||
return fmt.Errorf("accounts not monotonically increasing: #%d [%x] vs #%d [%x]", i-1, res.Accounts[i-1].Hash[:], i, res.Accounts[i].Hash[:])
|
||||
}
|
||||
}
|
||||
var (
|
||||
hashes []common.Hash
|
||||
accounts [][]byte
|
||||
proof = res.Proof
|
||||
)
|
||||
hashes, accounts, err = res.Unpack()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if len(hashes) == 0 && len(accounts) == 0 && len(proof) == 0 {
|
||||
return nil
|
||||
}
|
||||
if len(hashes) > 0 {
|
||||
if exp, got := tc.expFirst, res.Accounts[0].Hash; exp != got {
|
||||
return fmt.Errorf("expected first account 0x%x, got 0x%x", exp, got)
|
||||
}
|
||||
if exp, got := tc.expLast, res.Accounts[len(res.Accounts)-1].Hash; exp != got {
|
||||
return fmt.Errorf("expected last account 0x%x, got 0x%x", exp, got)
|
||||
}
|
||||
}
|
||||
// Reconstruct a partial trie from the response and verify it
|
||||
keys := make([][]byte, len(hashes))
|
||||
for i, key := range hashes {
|
||||
keys[i] = common.CopyBytes(key[:])
|
||||
}
|
||||
nodes := make(light.NodeList, len(proof))
|
||||
for i, node := range proof {
|
||||
nodes[i] = node
|
||||
}
|
||||
proofdb := nodes.NodeSet()
|
||||
|
||||
var end []byte
|
||||
if len(keys) > 0 {
|
||||
end = keys[len(keys)-1]
|
||||
}
|
||||
_, err = trie.VerifyRangeProof(tc.root, tc.origin[:], end, keys, accounts, proofdb)
|
||||
return err
|
||||
}
|
||||
|
||||
func (s *Suite) snapGetStorageRanges(t *utesting.T, tc *stRangesTest) error {
|
||||
conn, err := s.dialSnap()
|
||||
if err != nil {
|
||||
t.Fatalf("dial failed: %v", err)
|
||||
}
|
||||
defer conn.Close()
|
||||
if err = conn.peer(s.chain, nil); err != nil {
|
||||
t.Fatalf("peering failed: %v", err)
|
||||
}
|
||||
// write request
|
||||
req := &GetStorageRanges{
|
||||
ID: uint64(rand.Int63()),
|
||||
Root: tc.root,
|
||||
Accounts: tc.accounts,
|
||||
Origin: tc.origin,
|
||||
Limit: tc.limit,
|
||||
Bytes: tc.nBytes,
|
||||
}
|
||||
resp, err := conn.snapRequest(req, req.ID, s.chain)
|
||||
if err != nil {
|
||||
return fmt.Errorf("account range request failed: %v", err)
|
||||
}
|
||||
var res *snap.StorageRangesPacket
|
||||
if r, ok := resp.(*StorageRanges); !ok {
|
||||
return fmt.Errorf("account range response wrong: %T %v", resp, resp)
|
||||
} else {
|
||||
res = (*snap.StorageRangesPacket)(r)
|
||||
}
|
||||
gotSlots := 0
|
||||
// Ensure the ranges are monotonically increasing
|
||||
for i, slots := range res.Slots {
|
||||
gotSlots += len(slots)
|
||||
for j := 1; j < len(slots); j++ {
|
||||
if bytes.Compare(slots[j-1].Hash[:], slots[j].Hash[:]) >= 0 {
|
||||
return fmt.Errorf("storage slots not monotonically increasing for account #%d: #%d [%x] vs #%d [%x]", i, j-1, slots[j-1].Hash[:], j, slots[j].Hash[:])
|
||||
}
|
||||
}
|
||||
}
|
||||
if exp, got := tc.expSlots, gotSlots; exp != got {
|
||||
return fmt.Errorf("expected %d slots, got %d", exp, got)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *Suite) snapGetByteCodes(t *utesting.T, tc *byteCodesTest) error {
|
||||
conn, err := s.dialSnap()
|
||||
if err != nil {
|
||||
t.Fatalf("dial failed: %v", err)
|
||||
}
|
||||
defer conn.Close()
|
||||
if err = conn.peer(s.chain, nil); err != nil {
|
||||
t.Fatalf("peering failed: %v", err)
|
||||
}
|
||||
// write request
|
||||
req := &GetByteCodes{
|
||||
ID: uint64(rand.Int63()),
|
||||
Hashes: tc.hashes,
|
||||
Bytes: tc.nBytes,
|
||||
}
|
||||
resp, err := conn.snapRequest(req, req.ID, s.chain)
|
||||
if err != nil {
|
||||
return fmt.Errorf("getBytecodes request failed: %v", err)
|
||||
}
|
||||
var res *snap.ByteCodesPacket
|
||||
if r, ok := resp.(*ByteCodes); !ok {
|
||||
return fmt.Errorf("bytecodes response wrong: %T %v", resp, resp)
|
||||
} else {
|
||||
res = (*snap.ByteCodesPacket)(r)
|
||||
}
|
||||
if exp, got := tc.expHashes, len(res.Codes); exp != got {
|
||||
for i, c := range res.Codes {
|
||||
fmt.Printf("%d. %#x\n", i, c)
|
||||
}
|
||||
return fmt.Errorf("expected %d bytecodes, got %d", exp, got)
|
||||
}
|
||||
// Cross reference the requested bytecodes with the response to find gaps
|
||||
// that the serving node is missing
|
||||
var (
|
||||
bytecodes = res.Codes
|
||||
hasher = sha3.NewLegacyKeccak256().(crypto.KeccakState)
|
||||
hash = make([]byte, 32)
|
||||
codes = make([][]byte, len(req.Hashes))
|
||||
)
|
||||
|
||||
for i, j := 0, 0; i < len(bytecodes); i++ {
|
||||
// Find the next hash that we've been served, leaving misses with nils
|
||||
hasher.Reset()
|
||||
hasher.Write(bytecodes[i])
|
||||
hasher.Read(hash)
|
||||
|
||||
for j < len(req.Hashes) && !bytes.Equal(hash, req.Hashes[j][:]) {
|
||||
j++
|
||||
}
|
||||
if j < len(req.Hashes) {
|
||||
codes[j] = bytecodes[i]
|
||||
j++
|
||||
continue
|
||||
}
|
||||
// We've either ran out of hashes, or got unrequested data
|
||||
return errors.New("unexpected bytecode")
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *Suite) snapGetTrieNodes(t *utesting.T, tc *trieNodesTest) error {
|
||||
conn, err := s.dialSnap()
|
||||
if err != nil {
|
||||
t.Fatalf("dial failed: %v", err)
|
||||
}
|
||||
defer conn.Close()
|
||||
if err = conn.peer(s.chain, nil); err != nil {
|
||||
t.Fatalf("peering failed: %v", err)
|
||||
}
|
||||
// write request
|
||||
req := &GetTrieNodes{
|
||||
ID: uint64(rand.Int63()),
|
||||
Root: tc.root,
|
||||
Paths: tc.paths,
|
||||
Bytes: tc.nBytes,
|
||||
}
|
||||
resp, err := conn.snapRequest(req, req.ID, s.chain)
|
||||
if err != nil {
|
||||
if tc.expReject {
|
||||
return nil
|
||||
}
|
||||
return fmt.Errorf("trienodes request failed: %v", err)
|
||||
}
|
||||
var res *snap.TrieNodesPacket
|
||||
if r, ok := resp.(*TrieNodes); !ok {
|
||||
return fmt.Errorf("trienodes response wrong: %T %v", resp, resp)
|
||||
} else {
|
||||
res = (*snap.TrieNodesPacket)(r)
|
||||
}
|
||||
|
||||
// Check the correctness
|
||||
|
||||
// Cross reference the requested trienodes with the response to find gaps
|
||||
// that the serving node is missing
|
||||
hasher := sha3.NewLegacyKeccak256().(crypto.KeccakState)
|
||||
hash := make([]byte, 32)
|
||||
trienodes := res.Nodes
|
||||
if got, want := len(trienodes), len(tc.expHashes); got != want {
|
||||
return fmt.Errorf("wrong trienode count, got %d, want %d\n", got, want)
|
||||
}
|
||||
for i, trienode := range trienodes {
|
||||
hasher.Reset()
|
||||
hasher.Write(trienode)
|
||||
hasher.Read(hash)
|
||||
if got, want := hash, tc.expHashes[i]; !bytes.Equal(got, want[:]) {
|
||||
fmt.Printf("hash %d wrong, got %#x, want %#x\n", i, got, want)
|
||||
err = fmt.Errorf("hash %d wrong, got %#x, want %#x", i, got, want)
|
||||
}
|
||||
}
|
||||
return err
|
||||
}
|
||||
36
cmd/devp2p/internal/ethtest/snapTypes.go
Normal file
36
cmd/devp2p/internal/ethtest/snapTypes.go
Normal file
@ -0,0 +1,36 @@
|
||||
package ethtest
|
||||
|
||||
import "github.com/ethereum/go-ethereum/eth/protocols/snap"
|
||||
|
||||
// GetAccountRange represents an account range query.
|
||||
type GetAccountRange snap.GetAccountRangePacket
|
||||
|
||||
func (g GetAccountRange) Code() int { return 33 }
|
||||
|
||||
type AccountRange snap.AccountRangePacket
|
||||
|
||||
func (g AccountRange) Code() int { return 34 }
|
||||
|
||||
type GetStorageRanges snap.GetStorageRangesPacket
|
||||
|
||||
func (g GetStorageRanges) Code() int { return 35 }
|
||||
|
||||
type StorageRanges snap.StorageRangesPacket
|
||||
|
||||
func (g StorageRanges) Code() int { return 36 }
|
||||
|
||||
type GetByteCodes snap.GetByteCodesPacket
|
||||
|
||||
func (g GetByteCodes) Code() int { return 37 }
|
||||
|
||||
type ByteCodes snap.ByteCodesPacket
|
||||
|
||||
func (g ByteCodes) Code() int { return 38 }
|
||||
|
||||
type GetTrieNodes snap.GetTrieNodesPacket
|
||||
|
||||
func (g GetTrieNodes) Code() int { return 39 }
|
||||
|
||||
type TrieNodes snap.TrieNodesPacket
|
||||
|
||||
func (g TrieNodes) Code() int { return 40 }
|
||||
@ -125,6 +125,16 @@ func (s *Suite) Eth66Tests() []utesting.Test {
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Suite) SnapTests() []utesting.Test {
|
||||
return []utesting.Test{
|
||||
{Name: "TestSnapStatus", Fn: s.TestSnapStatus},
|
||||
{Name: "TestSnapAccountRange", Fn: s.TestSnapGetAccountRange},
|
||||
{Name: "TestSnapGetByteCodes", Fn: s.TestSnapGetByteCodes},
|
||||
{Name: "TestSnapGetTrieNodes", Fn: s.TestSnapTrieNodes},
|
||||
{Name: "TestSnapGetStorageRanges", Fn: s.TestSnapGetStorageRanges},
|
||||
}
|
||||
}
|
||||
|
||||
var (
|
||||
eth66 = true // indicates whether suite should negotiate eth66 connection
|
||||
eth65 = false // indicates whether suite should negotiate eth65 connection or below.
|
||||
|
||||
@ -55,6 +55,27 @@ func TestEthSuite(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
func TestSnapSuite(t *testing.T) {
|
||||
geth, err := runGeth()
|
||||
if err != nil {
|
||||
t.Fatalf("could not run geth: %v", err)
|
||||
}
|
||||
defer geth.Close()
|
||||
|
||||
suite, err := NewSuite(geth.Server().Self(), fullchainFile, genesisFile)
|
||||
if err != nil {
|
||||
t.Fatalf("could not create new test suite: %v", err)
|
||||
}
|
||||
for _, test := range suite.SnapTests() {
|
||||
t.Run(test.Name, func(t *testing.T) {
|
||||
result := utesting.RunTAP([]utesting.Test{{Name: test.Name, Fn: test.Fn}}, os.Stdout)
|
||||
if result[0].Failed {
|
||||
t.Fatal()
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// runGeth creates and starts a geth node
|
||||
func runGeth() (*node.Node, error) {
|
||||
stack, err := node.New(&node.Config{
|
||||
|
||||
@ -19,6 +19,7 @@ package ethtest
|
||||
import (
|
||||
"crypto/ecdsa"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/eth/protocols/eth"
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
@ -126,10 +127,12 @@ func (pt PooledTransactions) Code() int { return 26 }
|
||||
// Conn represents an individual connection with a peer
|
||||
type Conn struct {
|
||||
*rlpx.Conn
|
||||
ourKey *ecdsa.PrivateKey
|
||||
negotiatedProtoVersion uint
|
||||
ourHighestProtoVersion uint
|
||||
caps []p2p.Cap
|
||||
ourKey *ecdsa.PrivateKey
|
||||
negotiatedProtoVersion uint
|
||||
negotiatedSnapProtoVersion uint
|
||||
ourHighestProtoVersion uint
|
||||
ourHighestSnapProtoVersion uint
|
||||
caps []p2p.Cap
|
||||
}
|
||||
|
||||
// Read reads an eth packet from the connection.
|
||||
@ -259,12 +262,7 @@ func (c *Conn) Read66() (uint64, Message) {
|
||||
|
||||
// Write writes a eth packet to the connection.
|
||||
func (c *Conn) Write(msg Message) error {
|
||||
// check if message is eth protocol message
|
||||
var (
|
||||
payload []byte
|
||||
err error
|
||||
)
|
||||
payload, err = rlp.EncodeToBytes(msg)
|
||||
payload, err := rlp.EncodeToBytes(msg)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
@ -281,3 +279,43 @@ func (c *Conn) Write66(req eth.Packet, code int) error {
|
||||
_, err = c.Conn.Write(uint64(code), payload)
|
||||
return err
|
||||
}
|
||||
|
||||
// ReadSnap reads a snap/1 response with the given id from the connection.
|
||||
func (c *Conn) ReadSnap(id uint64) (Message, error) {
|
||||
respId := id + 1
|
||||
start := time.Now()
|
||||
for respId != id && time.Since(start) < timeout {
|
||||
code, rawData, _, err := c.Conn.Read()
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("could not read from connection: %v", err)
|
||||
}
|
||||
var snpMsg interface{}
|
||||
switch int(code) {
|
||||
case (GetAccountRange{}).Code():
|
||||
snpMsg = new(GetAccountRange)
|
||||
case (AccountRange{}).Code():
|
||||
snpMsg = new(AccountRange)
|
||||
case (GetStorageRanges{}).Code():
|
||||
snpMsg = new(GetStorageRanges)
|
||||
case (StorageRanges{}).Code():
|
||||
snpMsg = new(StorageRanges)
|
||||
case (GetByteCodes{}).Code():
|
||||
snpMsg = new(GetByteCodes)
|
||||
case (ByteCodes{}).Code():
|
||||
snpMsg = new(ByteCodes)
|
||||
case (GetTrieNodes{}).Code():
|
||||
snpMsg = new(GetTrieNodes)
|
||||
case (TrieNodes{}).Code():
|
||||
snpMsg = new(TrieNodes)
|
||||
default:
|
||||
//return nil, fmt.Errorf("invalid message code: %d", code)
|
||||
continue
|
||||
}
|
||||
if err := rlp.DecodeBytes(rawData, snpMsg); err != nil {
|
||||
return nil, fmt.Errorf("could not rlp decode message: %v", err)
|
||||
}
|
||||
return snpMsg.(Message), nil
|
||||
|
||||
}
|
||||
return nil, fmt.Errorf("request timed out")
|
||||
}
|
||||
|
||||
@ -36,6 +36,7 @@ var (
|
||||
Subcommands: []cli.Command{
|
||||
rlpxPingCommand,
|
||||
rlpxEthTestCommand,
|
||||
rlpxSnapTestCommand,
|
||||
},
|
||||
}
|
||||
rlpxPingCommand = cli.Command{
|
||||
@ -53,6 +54,16 @@ var (
|
||||
testTAPFlag,
|
||||
},
|
||||
}
|
||||
rlpxSnapTestCommand = cli.Command{
|
||||
Name: "snap-test",
|
||||
Usage: "Runs tests against a node",
|
||||
ArgsUsage: "<node> <chain.rlp> <genesis.json>",
|
||||
Action: rlpxSnapTest,
|
||||
Flags: []cli.Flag{
|
||||
testPatternFlag,
|
||||
testTAPFlag,
|
||||
},
|
||||
}
|
||||
)
|
||||
|
||||
func rlpxPing(ctx *cli.Context) error {
|
||||
@ -106,3 +117,15 @@ func rlpxEthTest(ctx *cli.Context) error {
|
||||
}
|
||||
return runTests(ctx, suite.AllEthTests())
|
||||
}
|
||||
|
||||
// rlpxSnapTest runs the snap protocol test suite.
|
||||
func rlpxSnapTest(ctx *cli.Context) error {
|
||||
if ctx.NArg() < 3 {
|
||||
exit("missing path to chain.rlp as command-line argument")
|
||||
}
|
||||
suite, err := ethtest.NewSuite(getNodeArg(ctx), ctx.Args()[1], ctx.Args()[2])
|
||||
if err != nil {
|
||||
exit(err)
|
||||
}
|
||||
return runTests(ctx, suite.SnapTests())
|
||||
}
|
||||
|
||||
@ -299,7 +299,7 @@ func ServiceGetAccountRangeQuery(chain *core.BlockChain, req *GetAccountRangePac
|
||||
size uint64
|
||||
last common.Hash
|
||||
)
|
||||
for it.Next() && size < req.Bytes {
|
||||
for it.Next() {
|
||||
hash, account := it.Hash(), common.CopyBytes(it.Account())
|
||||
|
||||
// Track the returned interval for the Merkle proofs
|
||||
@ -315,6 +315,9 @@ func ServiceGetAccountRangeQuery(chain *core.BlockChain, req *GetAccountRangePac
|
||||
if bytes.Compare(hash[:], req.Limit[:]) >= 0 {
|
||||
break
|
||||
}
|
||||
if size > req.Bytes {
|
||||
break
|
||||
}
|
||||
}
|
||||
it.Release()
|
||||
|
||||
@ -464,7 +467,7 @@ func ServiceGetByteCodesQuery(chain *core.BlockChain, req *GetByteCodesPacket) [
|
||||
// Peers should not request the empty code, but if they do, at
|
||||
// least sent them back a correct response without db lookups
|
||||
codes = append(codes, []byte{})
|
||||
} else if blob, err := chain.ContractCode(hash); err == nil {
|
||||
} else if blob, err := chain.ContractCodeWithPrefix(hash); err == nil {
|
||||
codes = append(codes, blob)
|
||||
bytes += uint64(len(blob))
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user