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accounts, core, eth: pass chain config for chain maker to test DAO

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This commit is contained in:
Péter Szilágyi
2016-07-14 18:17:03 +03:00
parent 461cdb593b
commit 3291235711
16 changed files with 181 additions and 132 deletions
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28
core/chain_makers.go
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@ -26,6 +26,7 @@ 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"
)
@ -35,7 +36,11 @@ import (
// MakeChainConfig returns a new ChainConfig with the ethereum default chain settings.
func MakeChainConfig() *ChainConfig {
return &ChainConfig{HomesteadBlock: big.NewInt(0)}
return &ChainConfig{
HomesteadBlock: big.NewInt(0),
DAOForkBlock: nil,
DAOForkSupport: true,
}
}
// FakePow is a non-validating proof of work implementation.
@ -173,10 +178,27 @@ func (b *BlockGen) OffsetTime(seconds int64) {
// Blocks created by GenerateChain do not contain valid proof of work
// values. Inserting them into BlockChain requires use of FakePow or
// a similar non-validating proof of work implementation.
func GenerateChain(parent *types.Block, db ethdb.Database, n int, gen func(int, *BlockGen)) ([]*types.Block, []types.Receipts) {
func GenerateChain(config *ChainConfig, parent *types.Block, db ethdb.Database, n int, gen func(int, *BlockGen)) ([]*types.Block, []types.Receipts) {
blocks, receipts := make(types.Blocks, n), make([]types.Receipts, n)
genblock := func(i int, h *types.Header, statedb *state.StateDB) (*types.Block, types.Receipts) {
b := &BlockGen{parent: parent, i: i, chain: blocks, header: h, statedb: statedb}
// Mutate the state and block according to any hard-fork specs
if config == nil {
config = MakeChainConfig()
}
if daoBlock := config.DAOForkBlock; daoBlock != nil {
limit := new(big.Int).Add(daoBlock, params.DAOForkExtraRange)
if h.Number.Cmp(daoBlock) >= 0 && h.Number.Cmp(limit) < 0 {
if config.DAOForkSupport {
h.Extra = common.CopyBytes(params.DAOForkBlockExtra)
}
}
}
if config.DAOForkSupport && config.DAOForkBlock != nil && config.DAOForkBlock.Cmp(h.Number) == 0 {
ApplyDAOHardFork(statedb)
}
// Execute any user modifications to the block and finalize it
if gen != nil {
gen(i, b)
}
@ -261,7 +283,7 @@ func makeHeaderChain(parent *types.Header, n int, db ethdb.Database, seed int) [
// makeBlockChain creates a deterministic chain of blocks rooted at parent.
func makeBlockChain(parent *types.Block, n int, db ethdb.Database, seed int) []*types.Block {
blocks, _ := GenerateChain(parent, db, n, func(i int, b *BlockGen) {
blocks, _ := GenerateChain(nil, parent, db, n, func(i int, b *BlockGen) {
b.SetCoinbase(common.Address{0: byte(seed), 19: byte(i)})
})
return blocks