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
This commit is contained in:
Jeffrey Wilcke 2016-03-31 17:43:41 +02:00
parent f0cbebb19f
commit 9055c16efa
6 changed files with 14 additions and 28 deletions

@ -27,11 +27,10 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/params"
)
// Default chain configuration which sets homestead phase at block 0 (i.e. no frontier)
var chainConfig = &core.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock}
var chainConfig = &core.ChainConfig{HomesteadBlock: big.NewInt(0)}
// This nil assignment ensures compile time that SimulatedBackend implements bind.ContractBackend.
var _ bind.ContractBackend = (*SimulatedBackend)(nil)

@ -27,12 +27,11 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow/ezp"
)
func testChainConfig() *ChainConfig {
return &ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock}
return &ChainConfig{HomesteadBlock: big.NewInt(0)}
}
func proc() (Validator, *BlockChain) {

@ -1025,23 +1025,21 @@ func TestReorgSideEvent(t *testing.T) {
evmux := &event.TypeMux{}
blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux)
chain, _ := GenerateChain(genesis, db, 3, func(i int, gen *BlockGen) {
if i == 2 {
gen.OffsetTime(9)
}
})
chain, _ := GenerateChain(genesis, db, 3, func(i int, gen *BlockGen) {})
if _, err := blockchain.InsertChain(chain); err != nil {
t.Fatalf("failed to insert chain: %v", err)
}
replacementBlocks, _ := GenerateChain(genesis, db, 4, func(i int, gen *BlockGen) {
tx, err := types.NewContractCreation(gen.TxNonce(addr1), new(big.Int), big.NewInt(1000000), new(big.Int), nil).SignECDSA(key1)
if i == 2 {
gen.OffsetTime(-1)
}
if err != nil {
t.Fatalf("failed to create tx: %v", err)
}
gen.AddTx(tx)
})
subs := evmux.Subscribe(ChainSideEvent{})
if _, err := blockchain.InsertChain(replacementBlocks); err != nil {
t.Fatalf("failed to insert chain: %v", err)

@ -26,7 +26,6 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow"
)
@ -35,16 +34,8 @@ import (
*/
// MakeChainConfig returns a new ChainConfig with the ethereum default chain settings.
func MakeChainConfig(testnet bool) *ChainConfig {
homesteadBlock := params.MainNetHomesteadBlock
// set a different default homestead block for the testnet
if testnet {
homesteadBlock = params.TestNetHomesteadBlock
}
return &ChainConfig{
HomesteadBlock: homesteadBlock,
}
func MakeChainConfig() *ChainConfig {
return &ChainConfig{HomesteadBlock: big.NewInt(0)}
}
// FakePow is a non-validating proof of work implementation.
@ -110,7 +101,7 @@ func (b *BlockGen) AddTx(tx *types.Transaction) {
b.SetCoinbase(common.Address{})
}
b.statedb.StartRecord(tx.Hash(), common.Hash{}, len(b.txs))
receipt, _, _, err := ApplyTransaction(MakeChainConfig(true), nil, b.gasPool, b.statedb, b.header, tx, b.header.GasUsed, vm.Config{})
receipt, _, _, err := ApplyTransaction(MakeChainConfig(), nil, b.gasPool, b.statedb, b.header, tx, b.header.GasUsed, vm.Config{})
if err != nil {
panic(err)
}
@ -167,7 +158,7 @@ func (b *BlockGen) OffsetTime(seconds int64) {
if b.header.Time.Cmp(b.parent.Header().Time) <= 0 {
panic("block time out of range")
}
b.header.Difficulty = CalcDifficulty(MakeChainConfig(true), b.header.Time.Uint64(), b.parent.Time().Uint64(), b.parent.Number(), b.parent.Difficulty())
b.header.Difficulty = CalcDifficulty(MakeChainConfig(), b.header.Time.Uint64(), b.parent.Time().Uint64(), b.parent.Number(), b.parent.Difficulty())
}
// GenerateChain creates a chain of n blocks. The first block's
@ -222,7 +213,7 @@ func makeHeader(parent *types.Block, state *state.StateDB) *types.Header {
Root: state.IntermediateRoot(),
ParentHash: parent.Hash(),
Coinbase: parent.Coinbase(),
Difficulty: CalcDifficulty(MakeChainConfig(true), time.Uint64(), new(big.Int).Sub(time, big.NewInt(10)).Uint64(), parent.Number(), parent.Difficulty()),
Difficulty: CalcDifficulty(MakeChainConfig(), time.Uint64(), new(big.Int).Sub(time, big.NewInt(10)).Uint64(), parent.Number(), parent.Difficulty()),
GasLimit: CalcGasLimit(parent),
GasUsed: new(big.Int),
Number: new(big.Int).Add(parent.Number(), common.Big1),
@ -241,7 +232,7 @@ func newCanonical(n int, full bool) (ethdb.Database, *BlockChain, error) {
// Initialize a fresh chain with only a genesis block
genesis, _ := WriteTestNetGenesisBlock(db)
blockchain, _ := NewBlockChain(db, MakeChainConfig(false), FakePow{}, evmux)
blockchain, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, evmux)
// Create and inject the requested chain
if n == 0 {
return db, blockchain, nil

@ -77,7 +77,7 @@ func ExampleGenerateChain() {
// Import the chain. This runs all block validation rules.
evmux := &event.TypeMux{}
blockchain, _ := NewBlockChain(db, MakeChainConfig(true), FakePow{}, evmux)
blockchain, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, evmux)
if i, err := blockchain.InsertChain(chain); err != nil {
fmt.Printf("insert error (block %d): %v\n", i, err)
return

@ -17,7 +17,6 @@ import (
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/params"
)
var (
@ -35,7 +34,7 @@ func newTestProtocolManager(fastSync bool, blocks int, generator func(int, *core
pow = new(core.FakePow)
db, _ = ethdb.NewMemDatabase()
genesis = core.WriteGenesisBlockForTesting(db, core.GenesisAccount{testBankAddress, testBankFunds})
chainConfig = &core.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock}
chainConfig = &core.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
blockchain, _ = core.NewBlockChain(db, chainConfig, pow, evmux)
)
chain, _ := core.GenerateChain(genesis, db, blocks, generator)