erigon-pulse/params/config.go
2021-06-02 08:42:52 +01:00

765 lines
30 KiB
Go

// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package params
import (
"encoding/binary"
"fmt"
"math/big"
"path"
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/common/paths"
"github.com/ledgerwatch/erigon/crypto"
)
const (
MainnetChainName = "mainnet"
RopstenChainName = "ropsten"
RinkebyChainName = "rinkeby"
GoerliChainName = "goerli"
DevChainName = "dev"
ErigonMineName = "erigonmine"
CalaverasChainName = "calaveras"
)
// Genesis hashes to enforce below configs on.
var (
MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
RopstenGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
RinkebyGenesisHash = common.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
GoerliGenesisHash = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
ErigonGenesisHash = common.HexToHash("0xfecd5c85712e36f30f09ba3a42386b42c46b5ba5395a4246b952e655f9aa0f58")
CalaverasGenesisHash = common.HexToHash("0xeb9233d066c275efcdfed8037f4fc082770176aefdbcb7691c71da412a5670f2")
)
// TrustedCheckpoints associates each known checkpoint with the genesis hash of
// the chain it belongs to.
var TrustedCheckpoints = map[common.Hash]*TrustedCheckpoint{
MainnetGenesisHash: MainnetTrustedCheckpoint,
RopstenGenesisHash: RopstenTrustedCheckpoint,
RinkebyGenesisHash: RinkebyTrustedCheckpoint,
GoerliGenesisHash: GoerliTrustedCheckpoint,
}
// CheckpointOracles associates each known checkpoint oracles with the genesis hash of
// the chain it belongs to.
var CheckpointOracles = map[common.Hash]*CheckpointOracleConfig{
MainnetGenesisHash: MainnetCheckpointOracle,
RopstenGenesisHash: RopstenCheckpointOracle,
RinkebyGenesisHash: RinkebyCheckpointOracle,
GoerliGenesisHash: GoerliCheckpointOracle,
}
var (
// MainnetChainConfig is the chain parameters to run a node on the main network.
MainnetChainConfig = &ChainConfig{
ChainName: MainnetChainName,
ChainID: big.NewInt(1),
HomesteadBlock: big.NewInt(1_150_000),
DAOForkBlock: big.NewInt(1_920_000),
DAOForkSupport: true,
EIP150Block: big.NewInt(2_463_000),
EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
EIP155Block: big.NewInt(2_675_000),
EIP158Block: big.NewInt(2_675_000),
ByzantiumBlock: big.NewInt(4_370_000),
ConstantinopleBlock: big.NewInt(7_280_000),
PetersburgBlock: big.NewInt(7_280_000),
IstanbulBlock: big.NewInt(9_069_000),
MuirGlacierBlock: big.NewInt(9_200_000),
BerlinBlock: big.NewInt(12_244_000),
Ethash: new(EthashConfig),
}
// MainnetTrustedCheckpoint contains the light client trusted checkpoint for the main network.
MainnetTrustedCheckpoint = &TrustedCheckpoint{
SectionIndex: 364,
SectionHead: common.HexToHash("0x3fd20ff221f5e962bb66f57a61973bfc2ba959879a6509384a80a45d208b5afc"),
CHTRoot: common.HexToHash("0xe35b3b807f4e9427fb4e2929961c78a9dc10f503a538319031cc7d00946a0591"),
BloomRoot: common.HexToHash("0x340553b378b2db214b898be15c80ac5be7caffc2e6448fd6f7aff23290d89296"),
}
// MainnetCheckpointOracle contains a set of configs for the main network oracle.
MainnetCheckpointOracle = &CheckpointOracleConfig{
Address: common.HexToAddress("0x9a9070028361F7AAbeB3f2F2Dc07F82C4a98A02a"),
Signers: []common.Address{
common.HexToAddress("0x1b2C260efc720BE89101890E4Db589b44E950527"), // Peter
common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
common.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
},
Threshold: 2,
}
// RopstenChainConfig contains the chain parameters to run a node on the Ropsten test network.
RopstenChainConfig = &ChainConfig{
ChainName: RopstenChainName,
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),
ByzantiumBlock: big.NewInt(1_700_000),
ConstantinopleBlock: big.NewInt(4_230_000),
PetersburgBlock: big.NewInt(4_939_394),
IstanbulBlock: big.NewInt(6_485_846),
MuirGlacierBlock: big.NewInt(7_117_117),
BerlinBlock: big.NewInt(9_812_189),
Ethash: new(EthashConfig),
}
// RopstenTrustedCheckpoint contains the light client trusted checkpoint for the Ropsten test network.
RopstenTrustedCheckpoint = &TrustedCheckpoint{
SectionIndex: 279,
SectionHead: common.HexToHash("0x4a4912848d4c06090097073357c10015d11c6f4544a0f93cbdd584701c3b7d58"),
CHTRoot: common.HexToHash("0x9053b7867ae921e80a4e2f5a4b15212e4af3d691ca712fb33dc150e9c6ea221c"),
BloomRoot: common.HexToHash("0x3dc04cb1be7ddc271f3f83469b47b76184a79d7209ef51d85b1539ea6d25a645"),
}
// RopstenCheckpointOracle contains a set of configs for the Ropsten test network oracle.
RopstenCheckpointOracle = &CheckpointOracleConfig{
Address: common.HexToAddress("0xEF79475013f154E6A65b54cB2742867791bf0B84"),
Signers: []common.Address{
common.HexToAddress("0x32162F3581E88a5f62e8A61892B42C46E2c18f7b"), // Peter
common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
common.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
},
Threshold: 2,
}
// RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network.
RinkebyChainConfig = &ChainConfig{
ChainName: RinkebyChainName,
ChainID: big.NewInt(4),
HomesteadBlock: big.NewInt(1),
DAOForkBlock: nil,
DAOForkSupport: true,
EIP150Block: big.NewInt(2),
EIP150Hash: common.HexToHash("0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
EIP155Block: big.NewInt(3),
EIP158Block: big.NewInt(3),
ByzantiumBlock: big.NewInt(1_035_301),
ConstantinopleBlock: big.NewInt(3_660_663),
PetersburgBlock: big.NewInt(4_321_234),
IstanbulBlock: big.NewInt(5_435_345),
MuirGlacierBlock: nil,
BerlinBlock: big.NewInt(8_290_928),
Clique: &CliqueConfig{
Period: 15,
Epoch: 30000,
},
}
// RinkebyTrustedCheckpoint contains the light client trusted checkpoint for the Rinkeby test network.
RinkebyTrustedCheckpoint = &TrustedCheckpoint{
SectionIndex: 248,
SectionHead: common.HexToHash("0x26874cf023695778cc3175d1bec19894204d8d0b756b587e81e35f300dc5b33c"),
CHTRoot: common.HexToHash("0xc129d1ed6673c5d3e1068e9d97244e72952b7ca08acbd7b3bfa58bc3085c442c"),
BloomRoot: common.HexToHash("0x1dafe79dcd7d348782aa834a4a4397890d9ad90643736791132ed5c16879a037"),
}
// RinkebyCheckpointOracle contains a set of configs for the Rinkeby test network oracle.
RinkebyCheckpointOracle = &CheckpointOracleConfig{
Address: common.HexToAddress("0xebe8eFA441B9302A0d7eaECc277c09d20D684540"),
Signers: []common.Address{
common.HexToAddress("0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3"), // Peter
common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
},
Threshold: 2,
}
// GoerliChainConfig contains the chain parameters to run a node on the Görli test network.
GoerliChainConfig = &ChainConfig{
ChainName: GoerliChainName,
ChainID: big.NewInt(5),
HomesteadBlock: big.NewInt(0),
DAOForkBlock: nil,
DAOForkSupport: true,
EIP150Block: big.NewInt(0),
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(1_561_651),
MuirGlacierBlock: nil,
BerlinBlock: big.NewInt(4_460_644),
Clique: &CliqueConfig{
Period: 15,
Epoch: 30000,
},
}
// GoerliTrustedCheckpoint contains the light client trusted checkpoint for the Görli test network.
GoerliTrustedCheckpoint = &TrustedCheckpoint{
SectionIndex: 132,
SectionHead: common.HexToHash("0x29fa240c97b47ecbfef3fea8b3cff035d93154d1d48b25e3333cf2f7067c5324"),
CHTRoot: common.HexToHash("0x85e5c59e5b202284291405dadc40dc36ab6417bd189fb18be24f6dcab6b80511"),
BloomRoot: common.HexToHash("0x0b7afdd200477f46e982e2cabc822ac454424986fa50d899685dfaeede1f882d"),
}
// GoerliCheckpointOracle contains a set of configs for the Goerli test network oracle.
GoerliCheckpointOracle = &CheckpointOracleConfig{
Address: common.HexToAddress("0x18CA0E045F0D772a851BC7e48357Bcaab0a0795D"),
Signers: []common.Address{
common.HexToAddress("0x4769bcaD07e3b938B7f43EB7D278Bc7Cb9efFb38"), // Peter
common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
common.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
},
Threshold: 2,
}
// MainnetChainConfig is the chain parameters to run a PoW dev net to test Erigon mining
ErigonChainConfig = &ChainConfig{
ChainName: ErigonMineName,
ChainID: new(big.Int).SetBytes([]byte("erigon-mine")),
HomesteadBlock: big.NewInt(0),
DAOForkBlock: nil,
DAOForkSupport: true,
EIP150Block: big.NewInt(0),
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(0),
MuirGlacierBlock: big.NewInt(0),
BerlinBlock: big.NewInt(0),
Ethash: new(EthashConfig),
}
CalaverasChainConfig = &ChainConfig{
ChainName: CalaverasChainName,
ChainID: big.NewInt(123),
HomesteadBlock: big.NewInt(0),
DAOForkBlock: nil,
DAOForkSupport: true,
EIP150Block: big.NewInt(0),
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(0),
MuirGlacierBlock: nil,
BerlinBlock: big.NewInt(0),
LondonBlock: big.NewInt(500),
Clique: &CliqueConfig{
Period: 30,
Epoch: 30000,
},
}
// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
// and accepted by the Ethereum core developers into the Ethash consensus.
//
// This configuration is intentionally not using keyed fields to force anyone
// adding flags to the config to also have to set these fields.
AllEthashProtocolChanges = &ChainConfig{
ChainID: big.NewInt(1337),
HomesteadBlock: big.NewInt(0),
DAOForkBlock: nil,
DAOForkSupport: false,
EIP150Block: big.NewInt(0),
EIP150Hash: common.Hash{},
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(0),
MuirGlacierBlock: big.NewInt(0),
BerlinBlock: big.NewInt(0),
LondonBlock: nil,
Ethash: new(EthashConfig),
Clique: nil,
}
// AllCliqueProtocolChanges contains every protocol change (EIPs) introduced
// and accepted by the Ethereum core developers into the Clique consensus.
//
// This configuration is intentionally not using keyed fields to force anyone
// adding flags to the config to also have to set these fields.
AllCliqueProtocolChanges = &ChainConfig{
ChainID: big.NewInt(1337),
HomesteadBlock: big.NewInt(0),
DAOForkBlock: nil,
DAOForkSupport: false,
EIP150Block: big.NewInt(0),
EIP150Hash: common.Hash{},
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(0),
MuirGlacierBlock: big.NewInt(0),
BerlinBlock: big.NewInt(0),
LondonBlock: nil,
Ethash: nil,
Clique: &CliqueConfig{Period: 0, Epoch: 30000},
}
CliqueSnapshot = NewSnapshotConfig(10, 1024, 16384, true, "", false /* mdbx */)
TestChainConfig = &ChainConfig{
ChainID: big.NewInt(1),
HomesteadBlock: big.NewInt(0),
DAOForkBlock: nil,
DAOForkSupport: false,
EIP150Block: big.NewInt(0),
EIP150Hash: common.Hash{},
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(0),
MuirGlacierBlock: big.NewInt(0),
BerlinBlock: big.NewInt(0),
LondonBlock: nil,
Ethash: new(EthashConfig),
Clique: nil,
}
TestRules = TestChainConfig.Rules(0)
)
// TrustedCheckpoint represents a set of post-processed trie roots (CHT and
// BloomTrie) associated with the appropriate section index and head hash. It is
// used to start light syncing from this checkpoint and avoid downloading the
// entire header chain while still being able to securely access old headers/logs.
type TrustedCheckpoint struct {
SectionIndex uint64 `json:"sectionIndex"`
SectionHead common.Hash `json:"sectionHead"`
CHTRoot common.Hash `json:"chtRoot"`
BloomRoot common.Hash `json:"bloomRoot"`
}
// HashEqual returns an indicator comparing the itself hash with given one.
func (c *TrustedCheckpoint) HashEqual(hash common.Hash) bool {
if c.Empty() {
return hash == common.Hash{}
}
return c.Hash() == hash
}
// Hash returns the hash of checkpoint's four key fields(index, sectionHead, chtRoot and bloomTrieRoot).
func (c *TrustedCheckpoint) Hash() common.Hash {
buf := make([]byte, 8+3*common.HashLength)
binary.BigEndian.PutUint64(buf, c.SectionIndex)
copy(buf[8:], c.SectionHead.Bytes())
copy(buf[8+common.HashLength:], c.CHTRoot.Bytes())
copy(buf[8+2*common.HashLength:], c.BloomRoot.Bytes())
return crypto.Keccak256Hash(buf)
}
// Empty returns an indicator whether the checkpoint is regarded as empty.
func (c *TrustedCheckpoint) Empty() bool {
return c.SectionHead == (common.Hash{}) || c.CHTRoot == (common.Hash{}) || c.BloomRoot == (common.Hash{})
}
// CheckpointOracleConfig represents a set of checkpoint contract(which acts as an oracle)
// config which used for light client checkpoint syncing.
type CheckpointOracleConfig struct {
Address common.Address `json:"address"`
Signers []common.Address `json:"signers"`
Threshold uint64 `json:"threshold"`
}
// ChainConfig is the core config which determines the blockchain settings.
//
// ChainConfig is stored in the database on a per block basis. This means
// that any network, identified by its genesis block, can have its own
// set of configuration options.
type ChainConfig struct {
ChainName string
ChainID *big.Int `json:"chainId"` // chainId identifies the current chain and is used for replay protection
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,omitempty"` // EIP150 HF block (nil = no fork)
EIP150Hash common.Hash `json:"eip150Hash,omitempty"` // EIP150 HF hash (needed for header only clients as only gas pricing changed)
EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block
EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block
ByzantiumBlock *big.Int `json:"byzantiumBlock,omitempty"` // Byzantium switch block (nil = no fork, 0 = already on byzantium)
ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)
PetersburgBlock *big.Int `json:"petersburgBlock,omitempty"` // Petersburg switch block (nil = same as Constantinople)
IstanbulBlock *big.Int `json:"istanbulBlock,omitempty"` // Istanbul switch block (nil = no fork, 0 = already on istanbul)
MuirGlacierBlock *big.Int `json:"muirGlacierBlock,omitempty"` // Eip-2384 (bomb delay) switch block (nil = no fork, 0 = already activated)
BerlinBlock *big.Int `json:"berlinBlock,omitempty"` // Berlin switch block (nil = no fork, 0 = already on berlin)
LondonBlock *big.Int `json:"londonBlock,omitempty"` // London switch block (nil = no fork, 0 = already on london)
// 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 {
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 Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, Berlin: %v, London: %v, Engine: %v}",
c.ChainID,
c.HomesteadBlock,
c.DAOForkBlock,
c.DAOForkSupport,
c.EIP150Block,
c.EIP155Block,
c.EIP158Block,
c.ByzantiumBlock,
c.ConstantinopleBlock,
c.PetersburgBlock,
c.IstanbulBlock,
c.MuirGlacierBlock,
c.BerlinBlock,
c.LondonBlock,
engine,
)
}
type SnapshotConfig struct {
CheckpointInterval uint64 // Number of blocks after which to save the vote snapshot to the database
InmemorySnapshots int // Number of recent vote snapshots to keep in memory
InmemorySignatures int // Number of recent block signatures to keep in memory
DBPath string
InMemory bool
MDBX bool // Whether to use MDBX (true) or LMDB (false)
}
const cliquePath = "clique"
func NewSnapshotConfig(checkpointInterval uint64, inmemorySnapshots int, inmemorySignatures int, inmemory bool, dbPath string, mdbx bool) *SnapshotConfig {
if len(dbPath) == 0 {
dbPath = paths.DefaultDataDir()
}
return &SnapshotConfig{
checkpointInterval,
inmemorySnapshots,
inmemorySignatures,
path.Join(dbPath, cliquePath),
inmemory,
mdbx,
}
}
// IsHomestead returns whether num is either equal to the homestead block or greater.
func (c *ChainConfig) IsHomestead(num uint64) bool {
return isForked(c.HomesteadBlock, num)
}
// IsDAOFork returns whether num is either equal to the DAO fork block or greater.
func (c *ChainConfig) IsDAOFork(num uint64) bool {
return isForked(c.DAOForkBlock, num)
}
// IsEIP150 returns whether num is either equal to the EIP150 fork block or greater.
func (c *ChainConfig) IsEIP150(num uint64) bool {
return isForked(c.EIP150Block, num)
}
// IsEIP155 returns whether num is either equal to the EIP155 fork block or greater.
func (c *ChainConfig) IsEIP155(num uint64) bool {
return isForked(c.EIP155Block, num)
}
// IsEIP158 returns whether num is either equal to the EIP158 fork block or greater.
func (c *ChainConfig) IsEIP158(num uint64) bool {
return isForked(c.EIP158Block, num)
}
// IsByzantium returns whether num is either equal to the Byzantium fork block or greater.
func (c *ChainConfig) IsByzantium(num uint64) bool {
return isForked(c.ByzantiumBlock, num)
}
// IsConstantinople returns whether num is either equal to the Constantinople fork block or greater.
func (c *ChainConfig) IsConstantinople(num uint64) bool {
return isForked(c.ConstantinopleBlock, num)
}
// IsMuirGlacier returns whether num is either equal to the Muir Glacier (EIP-2384) fork block or greater.
func (c *ChainConfig) IsMuirGlacier(num uint64) bool {
return isForked(c.MuirGlacierBlock, num)
}
// IsPetersburg returns whether num is either
// - equal to or greater than the PetersburgBlock fork block,
// - OR is nil, and Constantinople is active
func (c *ChainConfig) IsPetersburg(num uint64) bool {
return isForked(c.PetersburgBlock, num) || c.PetersburgBlock == nil && isForked(c.ConstantinopleBlock, num)
}
// IsIstanbul returns whether num is either equal to the Istanbul fork block or greater.
func (c *ChainConfig) IsIstanbul(num uint64) bool {
return isForked(c.IstanbulBlock, num)
}
// IsBerlin returns whether num is either equal to the Berlin fork block or greater.
func (c *ChainConfig) IsBerlin(num uint64) bool {
return isForked(c.BerlinBlock, num)
}
// IsLondon returns whether num is either equal to the London fork block or greater.
func (c *ChainConfig) IsLondon(num uint64) bool {
return isForked(c.LondonBlock, num)
}
// CheckCompatible checks whether scheduled fork transitions have been imported
// with a mismatching chain configuration.
func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *ConfigCompatError {
bhead := height
// Iterate checkCompatible to find the lowest conflict.
var lasterr *ConfigCompatError
for {
err := c.checkCompatible(newcfg, bhead)
if err == nil || (lasterr != nil && err.RewindTo == lasterr.RewindTo) {
break
}
lasterr = err
bhead = err.RewindTo
}
return lasterr
}
// CheckConfigForkOrder checks that we don't "skip" any forks, geth isn't pluggable enough
// to guarantee that forks can be implemented in a different order than on official networks
func (c *ChainConfig) CheckConfigForkOrder() error {
type fork struct {
name string
block *big.Int
optional bool // if true, the fork may be nil and next fork is still allowed
}
var lastFork fork
for _, cur := range []fork{
{name: "homesteadBlock", block: c.HomesteadBlock},
{name: "daoForkBlock", block: c.DAOForkBlock, optional: true},
{name: "eip150Block", block: c.EIP150Block},
{name: "eip155Block", block: c.EIP155Block},
{name: "eip158Block", block: c.EIP158Block},
{name: "byzantiumBlock", block: c.ByzantiumBlock},
{name: "constantinopleBlock", block: c.ConstantinopleBlock},
{name: "petersburgBlock", block: c.PetersburgBlock},
{name: "istanbulBlock", block: c.IstanbulBlock},
{name: "muirGlacierBlock", block: c.MuirGlacierBlock, optional: true},
{name: "berlinBlock", block: c.BerlinBlock},
{name: "londonBlock", block: c.LondonBlock},
} {
if lastFork.name != "" {
// Next one must be higher number
if lastFork.block == nil && cur.block != nil {
return fmt.Errorf("unsupported fork ordering: %v not enabled, but %v enabled at %v",
lastFork.name, cur.name, cur.block)
}
if lastFork.block != nil && cur.block != nil {
if lastFork.block.Cmp(cur.block) > 0 {
return fmt.Errorf("unsupported fork ordering: %v enabled at %v, but %v enabled at %v",
lastFork.name, lastFork.block, cur.name, cur.block)
}
}
// If it was optional and not set, then ignore it
}
if !cur.optional || cur.block != nil {
lastFork = cur
}
}
return nil
}
func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head uint64) *ConfigCompatError {
if isForkIncompatible(c.HomesteadBlock, newcfg.HomesteadBlock, head) {
return newCompatError("Homestead fork block", c.HomesteadBlock, newcfg.HomesteadBlock)
}
if isForkIncompatible(c.DAOForkBlock, newcfg.DAOForkBlock, head) {
return newCompatError("DAO fork block", c.DAOForkBlock, newcfg.DAOForkBlock)
}
if c.IsDAOFork(head) && c.DAOForkSupport != newcfg.DAOForkSupport {
return newCompatError("DAO fork support flag", c.DAOForkBlock, newcfg.DAOForkBlock)
}
if isForkIncompatible(c.EIP150Block, newcfg.EIP150Block, head) {
return newCompatError("EIP150 fork block", c.EIP150Block, newcfg.EIP150Block)
}
if isForkIncompatible(c.EIP155Block, newcfg.EIP155Block, head) {
return newCompatError("EIP155 fork block", c.EIP155Block, newcfg.EIP155Block)
}
if isForkIncompatible(c.EIP158Block, newcfg.EIP158Block, head) {
return newCompatError("EIP158 fork block", c.EIP158Block, newcfg.EIP158Block)
}
if c.IsEIP158(head) && !configNumEqual(c.ChainID, newcfg.ChainID) {
return newCompatError("EIP158 chain ID", c.EIP158Block, newcfg.EIP158Block)
}
if isForkIncompatible(c.ByzantiumBlock, newcfg.ByzantiumBlock, head) {
return newCompatError("Byzantium fork block", c.ByzantiumBlock, newcfg.ByzantiumBlock)
}
if isForkIncompatible(c.ConstantinopleBlock, newcfg.ConstantinopleBlock, head) {
return newCompatError("Constantinople fork block", c.ConstantinopleBlock, newcfg.ConstantinopleBlock)
}
if isForkIncompatible(c.PetersburgBlock, newcfg.PetersburgBlock, head) {
// the only case where we allow Petersburg to be set in the past is if it is equal to Constantinople
// mainly to satisfy fork ordering requirements which state that Petersburg fork be set if Constantinople fork is set
if isForkIncompatible(c.ConstantinopleBlock, newcfg.PetersburgBlock, head) {
return newCompatError("Petersburg fork block", c.PetersburgBlock, newcfg.PetersburgBlock)
}
}
if isForkIncompatible(c.IstanbulBlock, newcfg.IstanbulBlock, head) {
return newCompatError("Istanbul fork block", c.IstanbulBlock, newcfg.IstanbulBlock)
}
if isForkIncompatible(c.MuirGlacierBlock, newcfg.MuirGlacierBlock, head) {
return newCompatError("Muir Glacier fork block", c.MuirGlacierBlock, newcfg.MuirGlacierBlock)
}
if isForkIncompatible(c.BerlinBlock, newcfg.BerlinBlock, head) {
return newCompatError("Berlin fork block", c.BerlinBlock, newcfg.BerlinBlock)
}
if isForkIncompatible(c.LondonBlock, newcfg.LondonBlock, head) {
return newCompatError("London fork block", c.LondonBlock, newcfg.LondonBlock)
}
return nil
}
// isForkIncompatible returns true if a fork scheduled at s1 cannot be rescheduled to
// block s2 because head is already past the fork.
func isForkIncompatible(s1, s2 *big.Int, head uint64) bool {
return (isForked(s1, head) || isForked(s2, head)) && !configNumEqual(s1, s2)
}
// isForked returns whether a fork scheduled at block s is active at the given head block.
func isForked(s *big.Int, head uint64) bool {
if s == nil {
return false
}
return s.Uint64() <= head
}
func configNumEqual(x, y *big.Int) bool {
if x == nil {
return y == nil
}
if y == nil {
return x == nil
}
return x.Cmp(y) == 0
}
// ConfigCompatError is raised if the locally-stored blockchain is initialised with a
// ChainConfig that would alter the past.
type ConfigCompatError struct {
What string
// block numbers of the stored and new configurations
StoredConfig, NewConfig *big.Int
// the block number to which the local chain must be rewound to correct the error
RewindTo uint64
}
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 syntactic 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
IsBerlin, IsLondon bool
}
// Rules ensures c's ChainID is not nil.
func (c *ChainConfig) Rules(num uint64) 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),
IsBerlin: c.IsBerlin(num),
IsLondon: c.IsLondon(num),
}
}