accounts/a/b/backends, core: chain maker homestead block set to 0
The chain maker and the simulated backend now run with a homestead phase beginning at block 0 (i.e. there's no frontier). This commit also fixes up #2388
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f0cbebb19f
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@ -27,11 +27,10 @@ import (
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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)
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// Default chain configuration which sets homestead phase at block 0 (i.e. no frontier)
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var chainConfig = &core.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock}
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var chainConfig = &core.ChainConfig{HomesteadBlock: big.NewInt(0)}
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// This nil assignment ensures compile time that SimulatedBackend implements bind.ContractBackend.
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var _ bind.ContractBackend = (*SimulatedBackend)(nil)
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@ -27,12 +27,11 @@ import (
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/pow/ezp"
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)
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func testChainConfig() *ChainConfig {
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return &ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock}
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return &ChainConfig{HomesteadBlock: big.NewInt(0)}
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}
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func proc() (Validator, *BlockChain) {
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@ -1025,23 +1025,21 @@ func TestReorgSideEvent(t *testing.T) {
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evmux := &event.TypeMux{}
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blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux)
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chain, _ := GenerateChain(genesis, db, 3, func(i int, gen *BlockGen) {
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if i == 2 {
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gen.OffsetTime(9)
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}
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})
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chain, _ := GenerateChain(genesis, db, 3, func(i int, gen *BlockGen) {})
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if _, err := blockchain.InsertChain(chain); err != nil {
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t.Fatalf("failed to insert chain: %v", err)
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}
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replacementBlocks, _ := GenerateChain(genesis, db, 4, func(i int, gen *BlockGen) {
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tx, err := types.NewContractCreation(gen.TxNonce(addr1), new(big.Int), big.NewInt(1000000), new(big.Int), nil).SignECDSA(key1)
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if i == 2 {
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gen.OffsetTime(-1)
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}
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if err != nil {
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t.Fatalf("failed to create tx: %v", err)
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}
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gen.AddTx(tx)
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})
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subs := evmux.Subscribe(ChainSideEvent{})
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if _, err := blockchain.InsertChain(replacementBlocks); err != nil {
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t.Fatalf("failed to insert chain: %v", err)
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@ -26,7 +26,6 @@ import (
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/pow"
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)
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@ -35,16 +34,8 @@ import (
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*/
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// MakeChainConfig returns a new ChainConfig with the ethereum default chain settings.
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func MakeChainConfig(testnet bool) *ChainConfig {
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homesteadBlock := params.MainNetHomesteadBlock
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// set a different default homestead block for the testnet
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if testnet {
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homesteadBlock = params.TestNetHomesteadBlock
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}
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return &ChainConfig{
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HomesteadBlock: homesteadBlock,
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}
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func MakeChainConfig() *ChainConfig {
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return &ChainConfig{HomesteadBlock: big.NewInt(0)}
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}
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// FakePow is a non-validating proof of work implementation.
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@ -110,7 +101,7 @@ func (b *BlockGen) AddTx(tx *types.Transaction) {
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b.SetCoinbase(common.Address{})
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}
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b.statedb.StartRecord(tx.Hash(), common.Hash{}, len(b.txs))
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receipt, _, _, err := ApplyTransaction(MakeChainConfig(true), nil, b.gasPool, b.statedb, b.header, tx, b.header.GasUsed, vm.Config{})
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receipt, _, _, err := ApplyTransaction(MakeChainConfig(), nil, b.gasPool, b.statedb, b.header, tx, b.header.GasUsed, vm.Config{})
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if err != nil {
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panic(err)
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}
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@ -167,7 +158,7 @@ func (b *BlockGen) OffsetTime(seconds int64) {
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if b.header.Time.Cmp(b.parent.Header().Time) <= 0 {
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panic("block time out of range")
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}
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b.header.Difficulty = CalcDifficulty(MakeChainConfig(true), b.header.Time.Uint64(), b.parent.Time().Uint64(), b.parent.Number(), b.parent.Difficulty())
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b.header.Difficulty = CalcDifficulty(MakeChainConfig(), b.header.Time.Uint64(), b.parent.Time().Uint64(), b.parent.Number(), b.parent.Difficulty())
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}
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// GenerateChain creates a chain of n blocks. The first block's
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@ -222,7 +213,7 @@ func makeHeader(parent *types.Block, state *state.StateDB) *types.Header {
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Root: state.IntermediateRoot(),
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ParentHash: parent.Hash(),
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Coinbase: parent.Coinbase(),
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Difficulty: CalcDifficulty(MakeChainConfig(true), time.Uint64(), new(big.Int).Sub(time, big.NewInt(10)).Uint64(), parent.Number(), parent.Difficulty()),
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Difficulty: CalcDifficulty(MakeChainConfig(), time.Uint64(), new(big.Int).Sub(time, big.NewInt(10)).Uint64(), parent.Number(), parent.Difficulty()),
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GasLimit: CalcGasLimit(parent),
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GasUsed: new(big.Int),
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Number: new(big.Int).Add(parent.Number(), common.Big1),
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@ -241,7 +232,7 @@ func newCanonical(n int, full bool) (ethdb.Database, *BlockChain, error) {
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// Initialize a fresh chain with only a genesis block
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genesis, _ := WriteTestNetGenesisBlock(db)
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blockchain, _ := NewBlockChain(db, MakeChainConfig(false), FakePow{}, evmux)
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blockchain, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, evmux)
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// Create and inject the requested chain
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if n == 0 {
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return db, blockchain, nil
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@ -77,7 +77,7 @@ func ExampleGenerateChain() {
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// Import the chain. This runs all block validation rules.
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evmux := &event.TypeMux{}
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blockchain, _ := NewBlockChain(db, MakeChainConfig(true), FakePow{}, evmux)
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blockchain, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, evmux)
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if i, err := blockchain.InsertChain(chain); err != nil {
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fmt.Printf("insert error (block %d): %v\n", i, err)
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return
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@ -17,7 +17,6 @@ import (
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/params"
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)
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var (
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@ -35,7 +34,7 @@ func newTestProtocolManager(fastSync bool, blocks int, generator func(int, *core
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pow = new(core.FakePow)
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db, _ = ethdb.NewMemDatabase()
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genesis = core.WriteGenesisBlockForTesting(db, core.GenesisAccount{testBankAddress, testBankFunds})
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chainConfig = &core.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock}
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chainConfig = &core.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
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blockchain, _ = core.NewBlockChain(db, chainConfig, pow, evmux)
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)
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chain, _ := core.GenerateChain(genesis, db, blocks, generator)
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