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authorJeffrey Wilcke <jeffrey@ethereum.org>2017-02-02 05:36:51 +0800
committerJeffrey Wilcke <jeffrey@ethereum.org>2017-05-18 15:05:58 +0800
commit10a57fc3d45cbc59d6c8eeb0f7f2b93a71e8f4c9 (patch)
tree170eb09bf51c802894d9335570d7319a2f86ef15 /params
parenta2f23ca9b181fa4409fdee3076316f3127038b9b (diff)
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consensus, core/*, params: metropolis preparation refactor
This commit is a preparation for the upcoming metropolis hardfork. It prepares the state, core and vm packages such that integration with metropolis becomes less of a hassle. * Difficulty calculation requires header instead of individual parameters * statedb.StartRecord renamed to statedb.Prepare and added Finalise method required by metropolis, which removes unwanted accounts from the state (i.e. selfdestruct) * State keeps record of destructed objects (in addition to dirty objects) * core/vm pre-compiles may now return errors * core/vm pre-compiles gas check now take the full byte slice as argument instead of just the size * core/vm now keeps several hard-fork instruction tables instead of a single instruction table and removes the need for hard-fork checks in the instructions * core/vm contains a empty restruction function which is added in preparation of metropolis write-only mode operations * Adds the bn256 curve * Adds and sets the metropolis chain config block parameters (2^64-1)
Diffstat (limited to 'params')
-rw-r--r--params/config.go79
-rw-r--r--params/util.go8
2 files changed, 62 insertions, 25 deletions
diff --git a/params/config.go b/params/config.go
index bc63a45b9..5fb414d62 100644
--- a/params/config.go
+++ b/params/config.go
@@ -26,28 +26,32 @@ import (
var (
// MainnetChainConfig is the chain parameters to run a node on the main network.
MainnetChainConfig = &ChainConfig{
- ChainId: MainNetChainID,
- HomesteadBlock: MainNetHomesteadBlock,
- DAOForkBlock: MainNetDAOForkBlock,
- DAOForkSupport: true,
- EIP150Block: MainNetHomesteadGasRepriceBlock,
- EIP150Hash: MainNetHomesteadGasRepriceHash,
- EIP155Block: MainNetSpuriousDragon,
- EIP158Block: MainNetSpuriousDragon,
- Ethash: new(EthashConfig),
+ ChainId: MainNetChainID,
+ HomesteadBlock: MainNetHomesteadBlock,
+ DAOForkBlock: MainNetDAOForkBlock,
+ DAOForkSupport: true,
+ EIP150Block: MainNetHomesteadGasRepriceBlock,
+ EIP150Hash: MainNetHomesteadGasRepriceHash,
+ EIP155Block: MainNetSpuriousDragon,
+ EIP158Block: MainNetSpuriousDragon,
+ MetropolisBlock: MainNetMetropolisBlock,
+
+ Ethash: new(EthashConfig),
}
// TestnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
TestnetChainConfig = &ChainConfig{
- ChainId: big.NewInt(3),
- HomesteadBlock: big.NewInt(0),
- DAOForkBlock: nil,
- DAOForkSupport: true,
- EIP150Block: big.NewInt(0),
- EIP150Hash: common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"),
- EIP155Block: big.NewInt(10),
- EIP158Block: big.NewInt(10),
- Ethash: new(EthashConfig),
+ ChainId: big.NewInt(3),
+ HomesteadBlock: big.NewInt(0),
+ DAOForkBlock: nil,
+ DAOForkSupport: true,
+ EIP150Block: big.NewInt(0),
+ EIP150Hash: common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"),
+ EIP155Block: big.NewInt(10),
+ EIP158Block: big.NewInt(10),
+ MetropolisBlock: TestNetMetropolisBlock,
+
+ Ethash: new(EthashConfig),
}
// RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network.
@@ -68,15 +72,15 @@ var (
// AllProtocolChanges contains every protocol change (EIPs)
// introduced and accepted by the Ethereum core developers.
- // TestChainConfig is like AllProtocolChanges but has chain ID 1.
//
// This configuration is intentionally not using keyed fields.
// This configuration must *always* have all forks enabled, which
// means that all fields must be set at all times. This forces
// anyone adding flags to the config to also have to set these
// fields.
- AllProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), new(EthashConfig), nil}
- TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), new(EthashConfig), nil}
+ AllProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), new(EthashConfig), nil}
+ TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil}
+ TestRules = TestChainConfig.Rules(new(big.Int))
)
// ChainConfig is the core config which determines the blockchain settings.
@@ -95,8 +99,10 @@ type ChainConfig struct {
EIP150Block *big.Int `json:"eip150Block,omitempty"` // EIP150 HF block (nil = no fork)
EIP150Hash common.Hash `json:"eip150Hash,omitempty"` // EIP150 HF hash (fast sync aid)
- EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block
- EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block
+ EIP155Block *big.Int `json:"eip155Block"` // EIP155 HF block
+ EIP158Block *big.Int `json:"eip158Block"` // EIP158 HF block
+
+ MetropolisBlock *big.Int `json:"metropolisBlock"` // Metropolis switch block (nil = no fork, 0 = alraedy on homestead)
// Various consensus engines
Ethash *EthashConfig `json:"ethash,omitempty"`
@@ -141,6 +147,7 @@ func (c *ChainConfig) String() string {
c.EIP150Block,
c.EIP155Block,
c.EIP158Block,
+ c.MetropolisBlock,
engine,
)
}
@@ -251,6 +258,13 @@ func configNumEqual(x, y *big.Int) bool {
return x.Cmp(y) == 0
}
+func (c *ChainConfig) IsMetropolis(num *big.Int) bool {
+ if c.MetropolisBlock == nil || num == nil {
+ return false
+ }
+ return num.Cmp(c.MetropolisBlock) >= 0
+}
+
// ConfigCompatError is raised if the locally-stored blockchain is initialised with a
// ChainConfig that would alter the past.
type ConfigCompatError struct {
@@ -281,3 +295,22 @@ func newCompatError(what string, storedblock, newblock *big.Int) *ConfigCompatEr
func (err *ConfigCompatError) Error() string {
return fmt.Sprintf("mismatching %s in database (have %d, want %d, rewindto %d)", err.What, err.StoredConfig, err.NewConfig, err.RewindTo)
}
+
+// Rules wraps ChainConfig and is merely syntatic sugar or can be used for functions
+// that do not have or require information about the block.
+//
+// Rules is a one time interface meaning that it shouldn't be used in between transition
+// phases.
+type Rules struct {
+ ChainId *big.Int
+ IsHomestead, IsEIP150, IsEIP155, IsEIP158 bool
+ IsMetropolis bool
+}
+
+func (c *ChainConfig) Rules(num *big.Int) Rules {
+ chainId := c.ChainId
+ if chainId == nil {
+ chainId = new(big.Int)
+ }
+ return Rules{ChainId: new(big.Int).Set(chainId), IsHomestead: c.IsHomestead(num), IsEIP150: c.IsEIP150(num), IsEIP155: c.IsEIP155(num), IsEIP158: c.IsEIP158(num), IsMetropolis: c.IsMetropolis(num)}
+}
diff --git a/params/util.go b/params/util.go
index bf833d510..d4d43d047 100644
--- a/params/util.go
+++ b/params/util.go
@@ -17,6 +17,7 @@
package params
import (
+ "math"
"math/big"
"github.com/ethereum/go-ethereum/common"
@@ -38,6 +39,9 @@ var (
TestNetSpuriousDragon = big.NewInt(10)
MainNetSpuriousDragon = big.NewInt(2675000)
- TestNetChainID = big.NewInt(3) // Testnet default chain ID
- MainNetChainID = big.NewInt(1) // Mainnet default chain ID
+ TestNetMetropolisBlock = big.NewInt(math.MaxInt64)
+ MainNetMetropolisBlock = big.NewInt(math.MaxInt64)
+
+ TestNetChainID = big.NewInt(3) // Test net default chain ID
+ MainNetChainID = big.NewInt(1) // main net default chain ID
)