0b4fe8d192
* all: simplify timestamps to uint64 * tests: update definitions * clef, faucet, mobile: leftover uint64 fixups * ethash: fix tests * graphql: update schema for timestamp * ethash: remove unused variable
305 lines
10 KiB
Go
305 lines
10 KiB
Go
// Copyright 2015 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 tests implements execution of Ethereum JSON tests.
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package tests
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import (
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"bytes"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/common/math"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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)
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// A BlockTest checks handling of entire blocks.
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type BlockTest struct {
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json btJSON
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}
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// UnmarshalJSON implements json.Unmarshaler interface.
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func (t *BlockTest) UnmarshalJSON(in []byte) error {
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return json.Unmarshal(in, &t.json)
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}
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type btJSON struct {
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Blocks []btBlock `json:"blocks"`
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Genesis btHeader `json:"genesisBlockHeader"`
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Pre core.GenesisAlloc `json:"pre"`
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Post core.GenesisAlloc `json:"postState"`
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BestBlock common.UnprefixedHash `json:"lastblockhash"`
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Network string `json:"network"`
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SealEngine string `json:"sealEngine"`
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}
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type btBlock struct {
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BlockHeader *btHeader
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Rlp string
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UncleHeaders []*btHeader
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}
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//go:generate gencodec -type btHeader -field-override btHeaderMarshaling -out gen_btheader.go
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type btHeader struct {
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Bloom types.Bloom
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Coinbase common.Address
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MixHash common.Hash
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Nonce types.BlockNonce
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Number *big.Int
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Hash common.Hash
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ParentHash common.Hash
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ReceiptTrie common.Hash
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StateRoot common.Hash
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TransactionsTrie common.Hash
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UncleHash common.Hash
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ExtraData []byte
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Difficulty *big.Int
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GasLimit uint64
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GasUsed uint64
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Timestamp uint64
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}
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type btHeaderMarshaling struct {
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ExtraData hexutil.Bytes
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Number *math.HexOrDecimal256
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Difficulty *math.HexOrDecimal256
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GasLimit math.HexOrDecimal64
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GasUsed math.HexOrDecimal64
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Timestamp math.HexOrDecimal64
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}
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func (t *BlockTest) Run() error {
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config, ok := Forks[t.json.Network]
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if !ok {
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return UnsupportedForkError{t.json.Network}
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}
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// import pre accounts & construct test genesis block & state root
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db := rawdb.NewMemoryDatabase()
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gblock, err := t.genesis(config).Commit(db)
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if err != nil {
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return err
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}
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if gblock.Hash() != t.json.Genesis.Hash {
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return fmt.Errorf("genesis block hash doesn't match test: computed=%x, test=%x", gblock.Hash().Bytes()[:6], t.json.Genesis.Hash[:6])
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}
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if gblock.Root() != t.json.Genesis.StateRoot {
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return fmt.Errorf("genesis block state root does not match test: computed=%x, test=%x", gblock.Root().Bytes()[:6], t.json.Genesis.StateRoot[:6])
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}
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var engine consensus.Engine
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if t.json.SealEngine == "NoProof" {
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engine = ethash.NewFaker()
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} else {
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engine = ethash.NewShared()
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}
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chain, err := core.NewBlockChain(db, &core.CacheConfig{TrieCleanLimit: 0}, config, engine, vm.Config{}, nil)
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if err != nil {
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return err
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}
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defer chain.Stop()
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validBlocks, err := t.insertBlocks(chain)
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if err != nil {
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return err
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}
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cmlast := chain.CurrentBlock().Hash()
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if common.Hash(t.json.BestBlock) != cmlast {
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return fmt.Errorf("last block hash validation mismatch: want: %x, have: %x", t.json.BestBlock, cmlast)
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}
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newDB, err := chain.State()
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if err != nil {
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return err
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}
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if err = t.validatePostState(newDB); err != nil {
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return fmt.Errorf("post state validation failed: %v", err)
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}
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return t.validateImportedHeaders(chain, validBlocks)
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}
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func (t *BlockTest) genesis(config *params.ChainConfig) *core.Genesis {
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return &core.Genesis{
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Config: config,
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Nonce: t.json.Genesis.Nonce.Uint64(),
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Timestamp: t.json.Genesis.Timestamp,
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ParentHash: t.json.Genesis.ParentHash,
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ExtraData: t.json.Genesis.ExtraData,
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GasLimit: t.json.Genesis.GasLimit,
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GasUsed: t.json.Genesis.GasUsed,
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Difficulty: t.json.Genesis.Difficulty,
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Mixhash: t.json.Genesis.MixHash,
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Coinbase: t.json.Genesis.Coinbase,
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Alloc: t.json.Pre,
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}
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}
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/* See https://github.com/ethereum/tests/wiki/Blockchain-Tests-II
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Whether a block is valid or not is a bit subtle, it's defined by presence of
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blockHeader, transactions and uncleHeaders fields. If they are missing, the block is
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invalid and we must verify that we do not accept it.
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Since some tests mix valid and invalid blocks we need to check this for every block.
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If a block is invalid it does not necessarily fail the test, if it's invalidness is
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expected we are expected to ignore it and continue processing and then validate the
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post state.
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*/
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func (t *BlockTest) insertBlocks(blockchain *core.BlockChain) ([]btBlock, error) {
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validBlocks := make([]btBlock, 0)
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// insert the test blocks, which will execute all transactions
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for _, b := range t.json.Blocks {
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cb, err := b.decode()
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if err != nil {
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if b.BlockHeader == nil {
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continue // OK - block is supposed to be invalid, continue with next block
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} else {
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return nil, fmt.Errorf("Block RLP decoding failed when expected to succeed: %v", err)
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}
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}
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// RLP decoding worked, try to insert into chain:
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blocks := types.Blocks{cb}
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i, err := blockchain.InsertChain(blocks)
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if err != nil {
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if b.BlockHeader == nil {
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continue // OK - block is supposed to be invalid, continue with next block
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} else {
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return nil, fmt.Errorf("Block #%v insertion into chain failed: %v", blocks[i].Number(), err)
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}
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}
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if b.BlockHeader == nil {
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return nil, fmt.Errorf("Block insertion should have failed")
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}
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// validate RLP decoding by checking all values against test file JSON
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if err = validateHeader(b.BlockHeader, cb.Header()); err != nil {
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return nil, fmt.Errorf("Deserialised block header validation failed: %v", err)
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}
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validBlocks = append(validBlocks, b)
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}
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return validBlocks, nil
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}
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func validateHeader(h *btHeader, h2 *types.Header) error {
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if h.Bloom != h2.Bloom {
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return fmt.Errorf("Bloom: want: %x have: %x", h.Bloom, h2.Bloom)
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}
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if h.Coinbase != h2.Coinbase {
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return fmt.Errorf("Coinbase: want: %x have: %x", h.Coinbase, h2.Coinbase)
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}
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if h.MixHash != h2.MixDigest {
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return fmt.Errorf("MixHash: want: %x have: %x", h.MixHash, h2.MixDigest)
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}
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if h.Nonce != h2.Nonce {
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return fmt.Errorf("Nonce: want: %x have: %x", h.Nonce, h2.Nonce)
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}
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if h.Number.Cmp(h2.Number) != 0 {
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return fmt.Errorf("Number: want: %v have: %v", h.Number, h2.Number)
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}
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if h.ParentHash != h2.ParentHash {
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return fmt.Errorf("Parent hash: want: %x have: %x", h.ParentHash, h2.ParentHash)
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}
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if h.ReceiptTrie != h2.ReceiptHash {
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return fmt.Errorf("Receipt hash: want: %x have: %x", h.ReceiptTrie, h2.ReceiptHash)
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}
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if h.TransactionsTrie != h2.TxHash {
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return fmt.Errorf("Tx hash: want: %x have: %x", h.TransactionsTrie, h2.TxHash)
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}
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if h.StateRoot != h2.Root {
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return fmt.Errorf("State hash: want: %x have: %x", h.StateRoot, h2.Root)
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}
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if h.UncleHash != h2.UncleHash {
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return fmt.Errorf("Uncle hash: want: %x have: %x", h.UncleHash, h2.UncleHash)
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}
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if !bytes.Equal(h.ExtraData, h2.Extra) {
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return fmt.Errorf("Extra data: want: %x have: %x", h.ExtraData, h2.Extra)
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}
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if h.Difficulty.Cmp(h2.Difficulty) != 0 {
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return fmt.Errorf("Difficulty: want: %v have: %v", h.Difficulty, h2.Difficulty)
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}
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if h.GasLimit != h2.GasLimit {
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return fmt.Errorf("GasLimit: want: %d have: %d", h.GasLimit, h2.GasLimit)
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}
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if h.GasUsed != h2.GasUsed {
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return fmt.Errorf("GasUsed: want: %d have: %d", h.GasUsed, h2.GasUsed)
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}
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if h.Timestamp != h2.Time {
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return fmt.Errorf("Timestamp: want: %v have: %v", h.Timestamp, h2.Time)
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}
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return nil
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}
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func (t *BlockTest) validatePostState(statedb *state.StateDB) error {
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// validate post state accounts in test file against what we have in state db
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for addr, acct := range t.json.Post {
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// address is indirectly verified by the other fields, as it's the db key
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code2 := statedb.GetCode(addr)
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balance2 := statedb.GetBalance(addr)
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nonce2 := statedb.GetNonce(addr)
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if !bytes.Equal(code2, acct.Code) {
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return fmt.Errorf("account code mismatch for addr: %s want: %v have: %s", addr, acct.Code, hex.EncodeToString(code2))
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}
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if balance2.Cmp(acct.Balance) != 0 {
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return fmt.Errorf("account balance mismatch for addr: %s, want: %d, have: %d", addr, acct.Balance, balance2)
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}
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if nonce2 != acct.Nonce {
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return fmt.Errorf("account nonce mismatch for addr: %s want: %d have: %d", addr, acct.Nonce, nonce2)
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}
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}
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return nil
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}
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func (t *BlockTest) validateImportedHeaders(cm *core.BlockChain, validBlocks []btBlock) error {
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// to get constant lookup when verifying block headers by hash (some tests have many blocks)
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bmap := make(map[common.Hash]btBlock, len(t.json.Blocks))
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for _, b := range validBlocks {
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bmap[b.BlockHeader.Hash] = b
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}
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// iterate over blocks backwards from HEAD and validate imported
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// headers vs test file. some tests have reorgs, and we import
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// block-by-block, so we can only validate imported headers after
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// all blocks have been processed by BlockChain, as they may not
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// be part of the longest chain until last block is imported.
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for b := cm.CurrentBlock(); b != nil && b.NumberU64() != 0; b = cm.GetBlockByHash(b.Header().ParentHash) {
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if err := validateHeader(bmap[b.Hash()].BlockHeader, b.Header()); err != nil {
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return fmt.Errorf("Imported block header validation failed: %v", err)
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}
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}
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return nil
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}
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func (bb *btBlock) decode() (*types.Block, error) {
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data, err := hexutil.Decode(bb.Rlp)
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if err != nil {
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return nil, err
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}
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var b types.Block
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err = rlp.DecodeBytes(data, &b)
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return &b, err
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}
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