709 lines
24 KiB
Go
709 lines
24 KiB
Go
// Copyright 2022 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. 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 root
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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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tc := tc
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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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// TestSnapGetStorageRanges 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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tc := tc
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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",
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"0xaf4e64edd3234c1205b725e42963becd1085f013590bd7ed93f8d711c5eb65fb",
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"0xb69a18fa855b742031420081999086f6fb56c3930ae8840944e8b8ae9931c51e",
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"0xc246c217bc73ce6666c93a93a94faa5250564f50a3fdc27ea74c231c07fe2ca6",
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"0xcd6e4ab2c3034df2a8a1dfaaeb1c4baecd162a93d22de35e854ee2945cbe0c35",
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"0xe24b692d09d6fc2f3d1a6028c400a27c37d7cbb11511907c013946d6ce263d3b",
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"0xe440c5f0e8603fd1ed25976eee261ccee8038cf79d6a4c0eb31b2bf883be737f",
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"0xe6eacbc509203d21ac814b350e72934fde686b7f673c19be8cf956b0c70078ce",
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"0xe8530de4371467b5be7ea0e69e675ab36832c426d6c1ce9513817c0f0ae1486b",
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"0xe85d487abbbc83bf3423cf9731360cf4f5a37220e18e5add54e72ee20861196a",
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"0xf195ea389a5eea28db0be93660014275b158963dec44af1dfa7d4743019a9a49",
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} {
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hcBytecodes = append(hcBytecodes, common.HexToHash(s))
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}
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for i, tc := range []byteCodesTest{
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// A few stateroots
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{
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nBytes: 10000, hashes: []common.Hash{s.chain.RootAt(0), s.chain.RootAt(999)},
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expHashes: 0,
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},
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{
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nBytes: 10000, hashes: []common.Hash{s.chain.RootAt(0), s.chain.RootAt(0)},
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expHashes: 0,
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},
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// Empties
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{
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nBytes: 10000, hashes: []common.Hash{emptyRoot},
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expHashes: 0,
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},
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{
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nBytes: 10000, hashes: []common.Hash{emptyCode},
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expHashes: 1,
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},
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{
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nBytes: 10000, hashes: []common.Hash{emptyCode, emptyCode, emptyCode},
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expHashes: 3,
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},
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// The existing bytecodes
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{
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nBytes: 10000, hashes: hcBytecodes,
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expHashes: len(hcBytecodes),
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},
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// The existing, with limited byte arg
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{
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nBytes: 1, hashes: hcBytecodes,
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expHashes: 1,
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},
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{
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nBytes: 0, hashes: hcBytecodes,
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expHashes: 1,
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},
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{
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nBytes: 1000, hashes: []common.Hash{hcBytecodes[0], hcBytecodes[0], hcBytecodes[0], hcBytecodes[0]},
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expHashes: 4,
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},
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} {
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tc := tc
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if err := s.snapGetByteCodes(t, &tc); err != nil {
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t.Errorf("test %d \n bytes: %d\n #hashes: %d\nfailed: %v", i, tc.nBytes, len(tc.hashes), err)
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}
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}
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}
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type trieNodesTest struct {
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root common.Hash
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paths []snap.TrieNodePathSet
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nBytes uint64
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expHashes []common.Hash
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expReject bool
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}
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func decodeNibbles(nibbles []byte, bytes []byte) {
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for bi, ni := 0, 0; ni < len(nibbles); bi, ni = bi+1, ni+2 {
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bytes[bi] = nibbles[ni]<<4 | nibbles[ni+1]
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}
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}
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// hasTerm returns whether a hex key has the terminator flag.
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func hasTerm(s []byte) bool {
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return len(s) > 0 && s[len(s)-1] == 16
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}
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func keybytesToHex(str []byte) []byte {
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l := len(str)*2 + 1
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var nibbles = make([]byte, l)
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for i, b := range str {
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nibbles[i*2] = b / 16
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nibbles[i*2+1] = b % 16
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}
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nibbles[l-1] = 16
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return nibbles
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}
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func hexToCompact(hex []byte) []byte {
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terminator := byte(0)
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if hasTerm(hex) {
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terminator = 1
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hex = hex[:len(hex)-1]
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}
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buf := make([]byte, len(hex)/2+1)
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buf[0] = terminator << 5 // the flag byte
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if len(hex)&1 == 1 {
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buf[0] |= 1 << 4 // odd flag
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buf[0] |= hex[0] // first nibble is contained in the first byte
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hex = hex[1:]
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}
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decodeNibbles(hex, buf[1:])
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return buf
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}
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// TestSnapTrieNodes various forms of GetTrieNodes requests.
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func (s *Suite) TestSnapTrieNodes(t *utesting.T) {
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key := common.FromHex("0x00bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a")
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// helper function to iterate the key, and generate the compact-encoded
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// trie paths along the way.
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pathTo := func(length int) snap.TrieNodePathSet {
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hex := keybytesToHex(key)[:length]
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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{
|
|
{}, // zero-length pathset should 'abort' and kick us off
|
|
{[]byte{0}},
|
|
},
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{},
|
|
expReject: true,
|
|
},
|
|
{
|
|
root: s.chain.RootAt(999),
|
|
paths: []snap.TrieNodePathSet{
|
|
{[]byte{0}},
|
|
{[]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{
|
|
{[]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{
|
|
{[]byte{0}},
|
|
{[]byte{1}, []byte{0}},
|
|
},
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{
|
|
common.HexToHash("0x1ee1bb2fbac4d46eab331f3e8551e18a0805d084ed54647883aa552809ca968d"),
|
|
},
|
|
},
|
|
{
|
|
// 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"),
|
|
},
|
|
},
|
|
{
|
|
/*
|
|
A test against this account, requesting trie nodes for the storage trie
|
|
{
|
|
"balance": "0",
|
|
"nonce": 1,
|
|
"root": "0xbe3d75a1729be157e79c3b77f00206db4d54e3ea14375a015451c88ec067c790",
|
|
"codeHash": "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
|
|
"storage": {
|
|
"0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace": "02",
|
|
"0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6": "01",
|
|
"0xc2575a0e9e593c00f959f8c92f12db2869c3395a3b0502d05e2516446f71f85b": "03"
|
|
},
|
|
"key": "0xf493f79c43bd747129a226ad42529885a4b108aba6046b2d12071695a6627844"
|
|
}
|
|
*/
|
|
root: s.chain.RootAt(999),
|
|
paths: []snap.TrieNodePathSet{
|
|
{
|
|
common.FromHex("0xf493f79c43bd747129a226ad42529885a4b108aba6046b2d12071695a6627844"),
|
|
[]byte{0},
|
|
},
|
|
},
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{
|
|
common.HexToHash("0xbe3d75a1729be157e79c3b77f00206db4d54e3ea14375a015451c88ec067c790"),
|
|
},
|
|
},
|
|
}[7:] {
|
|
tc := tc
|
|
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 %#x, got %#x", exp, got)
|
|
}
|
|
if exp, got := tc.expLast, res.Accounts[len(res.Accounts)-1].Hash; exp != got {
|
|
return fmt.Errorf("expected last account %#x, got %#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
|
|
}
|