mirror of
https://github.com/ethereum/go-ethereum.git
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459 lines
18 KiB
Go
459 lines
18 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package params
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import (
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"fmt"
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"math/big"
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"github.com/XinFinOrg/XDPoSChain/common"
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)
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const (
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ConsensusEngineVersion1 = "v1"
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ConsensusEngineVersion2 = "v2"
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)
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var (
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XDCMainnetGenesisHash = common.HexToHash("9326145f8a2c8c00bbe13afc7d7f3d9c868b5ef39d89f2f4e9390e9720298624") // XDC Mainnet genesis hash to enforce below configs on
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MainnetGenesisHash = common.HexToHash("8d13370621558f4ed0da587934473c0404729f28b0ff1d50e5fdd840457a2f17") // Mainnet genesis hash to enforce below configs on
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TestnetGenesisHash = common.HexToHash("dffc8ae3b45965404b4fd73ce7f0e13e822ac0fc23ce7e95b42bc5f1e57023a5") // Testnet genesis hash to enforce below configs on
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)
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var (
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// XDPoSChain mainnet config
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XDCMainnetChainConfig = &ChainConfig{
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ChainId: big.NewInt(88),
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HomesteadBlock: big.NewInt(1),
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EIP150Block: big.NewInt(2),
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EIP150Hash: common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
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EIP155Block: big.NewInt(3),
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EIP158Block: big.NewInt(3),
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ByzantiumBlock: big.NewInt(4),
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XDPoS: &XDPoSConfig{
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Period: 2,
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Epoch: 900,
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Reward: 250,
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RewardCheckpoint: 900,
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Gap: 5,
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FoudationWalletAddr: common.HexToAddress("0x0000000000000000000000000000000000000068"),
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},
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}
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// MainnetChainConfig is the chain parameters to run a node on the main network.
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MainnetChainConfig = &ChainConfig{
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ChainId: big.NewInt(1),
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HomesteadBlock: big.NewInt(1150000),
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DAOForkBlock: big.NewInt(1920000),
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DAOForkSupport: true,
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EIP150Block: big.NewInt(2463000),
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EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
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EIP155Block: big.NewInt(2675000),
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EIP158Block: big.NewInt(2675000),
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ByzantiumBlock: big.NewInt(4370000),
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ConstantinopleBlock: nil,
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Ethash: new(EthashConfig),
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}
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// TestnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
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TestnetChainConfig = &ChainConfig{
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ChainId: big.NewInt(3),
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HomesteadBlock: big.NewInt(0),
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DAOForkBlock: nil,
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DAOForkSupport: true,
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EIP150Block: big.NewInt(0),
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EIP150Hash: common.HexToHash("0x62e0fde86e34c263e250fbcd5ca4598ba8ca10a1d166c8526bb127e10b313311"),
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EIP155Block: big.NewInt(10),
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EIP158Block: big.NewInt(10),
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ByzantiumBlock: big.NewInt(1700000),
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ConstantinopleBlock: nil,
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Ethash: new(EthashConfig),
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}
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// RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network.
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RinkebyChainConfig = &ChainConfig{
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ChainId: big.NewInt(4),
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HomesteadBlock: big.NewInt(1),
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DAOForkBlock: nil,
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DAOForkSupport: true,
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EIP150Block: big.NewInt(2),
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EIP150Hash: common.HexToHash("0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
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EIP155Block: big.NewInt(3),
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EIP158Block: big.NewInt(3),
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ByzantiumBlock: big.NewInt(1035301),
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ConstantinopleBlock: nil,
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XDPoS: &XDPoSConfig{
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Period: 15,
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Epoch: 30000,
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},
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}
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// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
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// and accepted by the Ethereum core developers into the Ethash consensus.
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//
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// This configuration is intentionally not using keyed fields to force anyone
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// adding flags to the config to also have to set these fields.
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AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil, nil}
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// AllXDPoSProtocolChanges contains every protocol change (EIPs) introduced
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// and accepted by the Ethereum core developers into the XDPoS consensus.
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//
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// This configuration is intentionally not using keyed fields to force anyone
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// adding flags to the config to also have to set these fields.
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AllXDPoSProtocolChanges = &ChainConfig{big.NewInt(89), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, &XDPoSConfig{Period: 0, Epoch: 30000}}
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AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}, nil}
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TestXDPoSChanConfig = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, &XDPoSConfig{Period: 2, Epoch: 900, Reward: 250, RewardCheckpoint: 900, Gap: 890, FoudationWalletAddr: common.HexToAddress("0x0000000000000000000000000000000000000068")}}
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// XDPoS config in use for v1 engine only
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TestXDPoSMockChainConfig = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil, &XDPoSConfig{Epoch: 900, Gap: 450, SkipValidation: true}}
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// XDPoS config with v2 engine after block 10
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TestXDPoSMockChainConfigWithV2Engine = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil, &XDPoSConfig{Epoch: 900, Gap: 450, SkipValidation: true, V2ConsensusBlockNumber: big.NewInt(10)}}
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TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil, nil}
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TestRules = TestChainConfig.Rules(new(big.Int))
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)
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// ChainConfig is the core config which determines the blockchain settings.
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//
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// ChainConfig is stored in the database on a per block basis. This means
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// that any network, identified by its genesis block, can have its own
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// set of configuration options.
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type ChainConfig struct {
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ChainId *big.Int `json:"chainId"` // Chain id identifies the current chain and is used for replay protection
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HomesteadBlock *big.Int `json:"homesteadBlock,omitempty"` // Homestead switch block (nil = no fork, 0 = already homestead)
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DAOForkBlock *big.Int `json:"daoForkBlock,omitempty"` // TheDAO hard-fork switch block (nil = no fork)
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DAOForkSupport bool `json:"daoForkSupport,omitempty"` // Whether the nodes supports or opposes the DAO hard-fork
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// EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
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EIP150Block *big.Int `json:"eip150Block,omitempty"` // EIP150 HF block (nil = no fork)
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EIP150Hash common.Hash `json:"eip150Hash,omitempty"` // EIP150 HF hash (needed for header only clients as only gas pricing changed)
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EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block
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EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block
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ByzantiumBlock *big.Int `json:"byzantiumBlock,omitempty"` // Byzantium switch block (nil = no fork, 0 = already on byzantium)
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ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)
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// Various consensus engines
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Ethash *EthashConfig `json:"ethash,omitempty"`
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Clique *CliqueConfig `json:"clique,omitempty"`
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XDPoS *XDPoSConfig `json:"XDPoS,omitempty"`
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}
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// EthashConfig is the consensus engine configs for proof-of-work based sealing.
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type EthashConfig struct{}
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// String implements the stringer interface, returning the consensus engine details.
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func (c *EthashConfig) String() string {
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return "ethash"
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}
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// CliqueConfig is the consensus engine configs for proof-of-authority based sealing.
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type CliqueConfig struct {
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Period uint64 `json:"period"` // Number of seconds between blocks to enforce
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Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint
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}
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// String implements the stringer interface, returning the consensus engine details.
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func (c *CliqueConfig) String() string {
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return "clique"
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}
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// XDPoSConfig is the consensus engine configs for delegated-proof-of-stake based sealing.
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type XDPoSConfig struct {
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Period uint64 `json:"period"` // Number of seconds between blocks to enforce
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Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint
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Reward uint64 `json:"reward"` // Block reward - unit Ether
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RewardCheckpoint uint64 `json:"rewardCheckpoint"` // Checkpoint block for calculate rewards.
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Gap uint64 `json:"gap"` // Gap time preparing for the next epoch
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FoudationWalletAddr common.Address `json:"foudationWalletAddr"` // Foundation Address Wallet
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SkipValidation bool //Skip Block Validation for testing purpose
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V2ConsensusBlockNumber *big.Int
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}
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// String implements the stringer interface, returning the consensus engine details.
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func (c *XDPoSConfig) String() string {
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return "XDPoS"
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}
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/**
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ConsensusVersion will return the consensus version to use for the provided block number. The returned int represent its version
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TODO: It's a dummy value for now until the 2.0 consensus engine is fully implemented.
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*/
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func (c *XDPoSConfig) BlockConsensusVersion(num *big.Int) string {
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if c.V2ConsensusBlockNumber != nil && num.Cmp(c.V2ConsensusBlockNumber) > 0 {
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return ConsensusEngineVersion2
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}
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return ConsensusEngineVersion1
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}
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// String implements the fmt.Stringer interface.
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func (c *ChainConfig) String() string {
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var engine interface{}
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switch {
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case c.Ethash != nil:
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engine = c.Ethash
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case c.XDPoS != nil:
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engine = c.XDPoS
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default:
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engine = "unknown"
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}
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return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Engine: %v}",
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c.ChainId,
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c.HomesteadBlock,
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c.DAOForkBlock,
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c.DAOForkSupport,
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c.EIP150Block,
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c.EIP155Block,
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c.EIP158Block,
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c.ByzantiumBlock,
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c.ConstantinopleBlock,
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engine,
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)
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}
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// IsHomestead returns whether num is either equal to the homestead block or greater.
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func (c *ChainConfig) IsHomestead(num *big.Int) bool {
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return isForked(c.HomesteadBlock, num)
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}
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// IsDAO returns whether num is either equal to the DAO fork block or greater.
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func (c *ChainConfig) IsDAOFork(num *big.Int) bool {
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return isForked(c.DAOForkBlock, num)
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}
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func (c *ChainConfig) IsEIP150(num *big.Int) bool {
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return isForked(c.EIP150Block, num)
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}
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func (c *ChainConfig) IsEIP155(num *big.Int) bool {
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return isForked(c.EIP155Block, num)
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}
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func (c *ChainConfig) IsEIP158(num *big.Int) bool {
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return isForked(c.EIP158Block, num)
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}
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func (c *ChainConfig) IsByzantium(num *big.Int) bool {
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return isForked(c.ByzantiumBlock, num)
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}
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func (c *ChainConfig) IsConstantinople(num *big.Int) bool {
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return isForked(c.ConstantinopleBlock, num)
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}
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// IsPetersburg returns whether num is either
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// - equal to or greater than the PetersburgBlock fork block,
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// - OR is nil, and Constantinople is active
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func (c *ChainConfig) IsPetersburg(num *big.Int) bool {
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return isForked(common.TIPXDCXCancellationFee, num)
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}
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// IsIstanbul returns whether num is either equal to the Istanbul fork block or greater.
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func (c *ChainConfig) IsIstanbul(num *big.Int) bool {
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return isForked(common.TIPXDCXCancellationFee, num)
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}
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func (c *ChainConfig) IsTIP2019(num *big.Int) bool {
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return isForked(common.TIP2019Block, num)
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}
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func (c *ChainConfig) IsTIPSigning(num *big.Int) bool {
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return isForked(common.TIPSigning, num)
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}
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func (c *ChainConfig) IsTIPRandomize(num *big.Int) bool {
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return isForked(common.TIPRandomize, num)
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}
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// IsTIPIncreaseMasternodes using for increase masternodes from 18 to 40
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// Time update: 23-07-2019
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func (c *ChainConfig) IsTIPIncreaseMasternodes(num *big.Int) bool {
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return isForked(common.TIPIncreaseMasternodes, num)
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}
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func (c *ChainConfig) IsTIPNoHalvingMNReward(num *big.Int) bool {
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return isForked(common.TIPNoHalvingMNReward, num)
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}
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func (c *ChainConfig) IsTIPXDCX(num *big.Int) bool {
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if common.IsTestnet {
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return isForked(common.TIPXDCXTestnet, num)
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} else {
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return isForked(common.TIPXDCX, num)
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}
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}
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func (c *ChainConfig) IsTIPXDCXLending(num *big.Int) bool {
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return isForked(common.TIPXDCXLending, num)
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}
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func (c *ChainConfig) IsTIPXDCXCancellationFee(num *big.Int) bool {
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return isForked(common.TIPXDCXCancellationFee, num)
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}
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// GasTable returns the gas table corresponding to the current phase (homestead or homestead reprice).
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//
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// The returned GasTable's fields shouldn't, under any circumstances, be changed.
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func (c *ChainConfig) GasTable(num *big.Int) GasTable {
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if num == nil {
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return GasTableHomestead
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}
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switch {
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case c.IsEIP158(num):
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return GasTableEIP158
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case c.IsEIP150(num):
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return GasTableEIP150
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default:
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return GasTableHomestead
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}
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}
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// CheckCompatible checks whether scheduled fork transitions have been imported
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// with a mismatching chain configuration.
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func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *ConfigCompatError {
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bhead := new(big.Int).SetUint64(height)
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// Iterate checkCompatible to find the lowest conflict.
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var lasterr *ConfigCompatError
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for {
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err := c.checkCompatible(newcfg, bhead)
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if err == nil || (lasterr != nil && err.RewindTo == lasterr.RewindTo) {
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break
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}
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lasterr = err
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bhead.SetUint64(err.RewindTo)
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}
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return lasterr
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}
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func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head *big.Int) *ConfigCompatError {
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if isForkIncompatible(c.HomesteadBlock, newcfg.HomesteadBlock, head) {
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return newCompatError("Homestead fork block", c.HomesteadBlock, newcfg.HomesteadBlock)
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}
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if isForkIncompatible(c.DAOForkBlock, newcfg.DAOForkBlock, head) {
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return newCompatError("DAO fork block", c.DAOForkBlock, newcfg.DAOForkBlock)
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}
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if c.IsDAOFork(head) && c.DAOForkSupport != newcfg.DAOForkSupport {
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return newCompatError("DAO fork support flag", c.DAOForkBlock, newcfg.DAOForkBlock)
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}
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if isForkIncompatible(c.EIP150Block, newcfg.EIP150Block, head) {
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return newCompatError("EIP150 fork block", c.EIP150Block, newcfg.EIP150Block)
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}
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if isForkIncompatible(c.EIP155Block, newcfg.EIP155Block, head) {
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return newCompatError("EIP155 fork block", c.EIP155Block, newcfg.EIP155Block)
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}
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if isForkIncompatible(c.EIP158Block, newcfg.EIP158Block, head) {
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return newCompatError("EIP158 fork block", c.EIP158Block, newcfg.EIP158Block)
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}
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if c.IsEIP158(head) && !configNumEqual(c.ChainId, newcfg.ChainId) {
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return newCompatError("EIP158 chain ID", c.EIP158Block, newcfg.EIP158Block)
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}
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if isForkIncompatible(c.ByzantiumBlock, newcfg.ByzantiumBlock, head) {
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return newCompatError("Byzantium fork block", c.ByzantiumBlock, newcfg.ByzantiumBlock)
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}
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if isForkIncompatible(c.ConstantinopleBlock, newcfg.ConstantinopleBlock, head) {
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return newCompatError("Constantinople fork block", c.ConstantinopleBlock, newcfg.ConstantinopleBlock)
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}
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return nil
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}
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// isForkIncompatible returns true if a fork scheduled at s1 cannot be rescheduled to
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// block s2 because head is already past the fork.
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func isForkIncompatible(s1, s2, head *big.Int) bool {
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return (isForked(s1, head) || isForked(s2, head)) && !configNumEqual(s1, s2)
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}
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// isForked returns whether a fork scheduled at block s is active at the given head block.
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func isForked(s, head *big.Int) bool {
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if s == nil || head == nil {
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return false
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}
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return s.Cmp(head) <= 0
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}
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func configNumEqual(x, y *big.Int) bool {
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if x == nil {
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return y == nil
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}
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if y == nil {
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return x == nil
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}
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return x.Cmp(y) == 0
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}
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// ConfigCompatError is raised if the locally-stored blockchain is initialised with a
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// ChainConfig that would alter the past.
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type ConfigCompatError struct {
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What string
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// block numbers of the stored and new configurations
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StoredConfig, NewConfig *big.Int
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// the block number to which the local chain must be rewound to correct the error
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RewindTo uint64
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}
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func newCompatError(what string, storedblock, newblock *big.Int) *ConfigCompatError {
|
|
var rew *big.Int
|
|
switch {
|
|
case storedblock == nil:
|
|
rew = newblock
|
|
case newblock == nil || storedblock.Cmp(newblock) < 0:
|
|
rew = storedblock
|
|
default:
|
|
rew = newblock
|
|
}
|
|
err := &ConfigCompatError{what, storedblock, newblock, 0}
|
|
if rew != nil && rew.Sign() > 0 {
|
|
err.RewindTo = rew.Uint64() - 1
|
|
}
|
|
return err
|
|
}
|
|
|
|
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
|
|
IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul 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),
|
|
IsByzantium: c.IsByzantium(num),
|
|
IsConstantinople: c.IsConstantinople(num),
|
|
IsPetersburg: c.IsPetersburg(num),
|
|
IsIstanbul: c.IsIstanbul(num),
|
|
}
|
|
}
|