gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

consensus/clique: Proof of Authority (#3753)

Browse Source 
This PR is a prototype implementation of plugable consensus engines and the
Clique PoA protocol ethereum/EIPs#225
This commit is contained in:
Péter Szilágyi
2017-04-10 13:24:12 +03:00
committed by Felix Lange
parent bfe5eb7f8c
commit feeccdf4ec
12 changed files with 1576 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
params/config.go
View File

@ -34,6 +34,7 @@ var (
EIP150Hash: MainNetHomesteadGasRepriceHash,
EIP155Block: MainNetSpuriousDragon,
EIP158Block: MainNetSpuriousDragon,
Ethash: new(EthashConfig),
}
// TestnetChainConfig contains the chain parameters to run a node on the ropsten test network.
@ -46,6 +47,7 @@ var (
EIP150Hash: common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"),
EIP155Block: big.NewInt(10),
EIP158Block: big.NewInt(10),
Ethash: new(EthashConfig),
}
// AllProtocolChanges contains every protocol change (EIPs)
@ -57,8 +59,8 @@ var (
// 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)}
TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0)}
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}
)
// ChainConfig is the core config which determines the blockchain settings.
@ -69,21 +71,53 @@ var (
type ChainConfig struct {
ChainId *big.Int `json:"chainId"` // Chain id identifies the current chain and is used for replay protection
HomesteadBlock *big.Int `json:"homesteadBlock"` // Homestead switch block (nil = no fork, 0 = already homestead)
DAOForkBlock *big.Int `json:"daoForkBlock"` // TheDAO hard-fork switch block (nil = no fork)
DAOForkSupport bool `json:"daoForkSupport"` // Whether the nodes supports or opposes the DAO hard-fork
HomesteadBlock *big.Int `json:"homesteadBlock,omitempty"` // Homestead switch block (nil = no fork, 0 = already homestead)
DAOForkBlock *big.Int `json:"daoForkBlock,omitempty"` // TheDAO hard-fork switch block (nil = no fork)
DAOForkSupport bool `json:"daoForkSupport,omitempty"` // Whether the nodes supports or opposes the DAO hard-fork
// EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
EIP150Block *big.Int `json:"eip150Block"` // EIP150 HF block (nil = no fork)
EIP150Hash common.Hash `json:"eip150Hash"` // EIP150 HF hash (fast sync aid)
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"` // EIP155 HF block
EIP158Block *big.Int `json:"eip158Block"` // EIP158 HF block
EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block
EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block
// Various consensus engines
Ethash *EthashConfig `json:"ethash,omitempty"`
Clique *CliqueConfig `json:"clique,omitempty"`
}
// EthashConfig is the consensus engine configs for proof-of-work based sealing.
type EthashConfig struct{}
// String implements the stringer interface, returning the consensus engine details.
func (c *EthashConfig) String() string {
return "ethash"
}
// CliqueConfig is the consensus engine configs for proof-of-authority based sealing.
type CliqueConfig struct {
Period uint64 `json:"period"` // Number of seconds between blocks to enforce
Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint
}
// String implements the stringer interface, returning the consensus engine details.
func (c *CliqueConfig) String() string {
return "clique"
}
// String implements the fmt.Stringer interface.
func (c *ChainConfig) String() string {
return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v}",
var engine interface{}
switch {
case c.Ethash != nil:
engine = c.Ethash
case c.Clique != nil:
engine = c.Clique
default:
engine = "unknown"
}
return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Engine: %v}",
c.ChainId,
c.HomesteadBlock,
c.DAOForkBlock,
@ -91,6 +125,7 @@ func (c *ChainConfig) String() string {
c.EIP150Block,
c.EIP155Block,
c.EIP158Block,
engine,
)
}