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config.go
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// 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"
"errors"
"fmt"
"math/big"
"strings"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/log"
"golang.org/x/crypto/sha3"
)
// Genesis hashes to enforce below configs on.
var (
MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
RopstenGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
RinkebyGenesisHash = common.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
GoerliGenesisHash = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
YoloV3GenesisHash = common.HexToHash("0xf1f2876e8500c77afcc03228757b39477eceffccf645b734967fe3c7e16967b7")
)
// 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{
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: 371,
SectionHead: common.HexToHash("0x50fd3cec5376ede90ef9129772022690cd1467f22c18abb7faa11e793c51e9c9"),
CHTRoot: common.HexToHash("0xb57b4b22a77b5930847b1ca9f62daa11eae6578948cb7b18997f2c0fe5757025"),
BloomRoot: common.HexToHash("0xa338f8a868a194fa90327d0f5877f656a9f3640c618d2a01a01f2e76ef9ef954"),
}
// 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{
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{
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: 254,
SectionHead: common.HexToHash("0x0cba01dd71baa22ac8fa0b105bc908e94f9ecfbc79b4eb97427fe07b5851dd10"),
CHTRoot: common.HexToHash("0x5673d8fc49c9c7d8729068640e4b392d46952a5a38798973bac1cf1d0d27ad7d"),
BloomRoot: common.HexToHash("0x70e01232b66df9a7778ae3291c9217afb9a2d9f799f32d7b912bd37e7bce83a8"),
}
// 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{
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: 138,
SectionHead: common.HexToHash("0xb7ea0566abd7d0def5b3c9afa3431debb7bb30b65af35f106ca93a59e6c859a7"),
CHTRoot: common.HexToHash("0x378c7ea9081242beb982e2e39567ba12f2ed3e59e5aba3f9db1d595646d7c9f4"),
BloomRoot: common.HexToHash("0x523c169286cfca52e8a6579d8c35dc8bf093412d8a7478163bfa81ae91c2492d"),
}
// 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,
}
// YoloV3ChainConfig contains the chain parameters to run a node on the YOLOv3 test network.
YoloV3ChainConfig = &ChainConfig{
ChainID: new(big.Int).SetBytes([]byte("yolov3x")),
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: nil, // Don't enable Berlin directly, we're YOLOing it
YoloV3Block: big.NewInt(0),
Clique: &CliqueConfig{
Period: 15,
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{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, new(EthashConfig), nil, nil, nil, nil, nil, false, 32, 35, big.NewInt(0), big.NewInt(0), nil, nil, false, nil, 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{big.NewInt(10), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}, nil, nil, nil, nil, false, 32, 32, big.NewInt(0), big.NewInt(0), nil, nil, false, nil, nil}
// Quorum chainID should 10
TestChainConfig = &ChainConfig{big.NewInt(10), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, new(EthashConfig), nil, nil, nil, nil, nil, false, 32, 32, big.NewInt(0), big.NewInt(0), nil, nil, false, nil, nil}
TestRules = TestChainConfig.Rules(new(big.Int))
QuorumTestChainConfig = &ChainConfig{big.NewInt(10), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, nil, new(EthashConfig), nil, nil, nil, nil, nil, true, 64, 32, big.NewInt(0), big.NewInt(0), nil, big.NewInt(0), false, nil, nil}
QuorumMPSTestChainConfig = &ChainConfig{big.NewInt(10), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, nil, new(EthashConfig), nil, nil, nil, nil, nil, true, 64, 32, big.NewInt(0), big.NewInt(0), nil, big.NewInt(0), true, nil, nil}
)
// 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 {
var sectionIndex [8]byte
binary.BigEndian.PutUint64(sectionIndex[:], c.SectionIndex)
w := sha3.NewLegacyKeccak256()
w.Write(sectionIndex[:])
w.Write(c.SectionHead[:])
w.Write(c.CHTRoot[:])
w.Write(c.BloomRoot[:])
var h common.Hash
w.Sum(h[:0])
return h
}
// 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"`
}
type MaxCodeConfigStruct struct {
Block *big.Int `json:"block,omitempty"`
Size uint64 `json:"size,omitempty"`
}
// 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 {
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)
YoloV3Block *big.Int `json:"yoloV3Block,omitempty"` // YOLO v3: Gas repricings TODO @holiman add EIP references
EWASMBlock *big.Int `json:"ewasmBlock,omitempty"` // EWASM switch block (nil = no fork, 0 = already activated)
CatalystBlock *big.Int `json:"catalystBlock,omitempty"` // Catalyst switch block (nil = no fork, 0 = already on catalyst)
// Various consensus engines
Ethash *EthashConfig `json:"ethash,omitempty"`
Clique *CliqueConfig `json:"clique,omitempty"`
Istanbul *IstanbulConfig `json:"istanbul,omitempty"` // Quorum
IBFT *IBFTConfig `json:"ibft,omitempty"` // Quorum
QBFT *QBFTConfig `json:"qbft,omitempty"` // Quorum
// Start of Quorum specific configs
Transitions []Transition `json:"transitions,omitempty"` // Quorum - transition config based on the block number
IsQuorum bool `json:"isQuorum"` // Quorum flag
TransactionSizeLimit uint64 `json:"txnSizeLimit"` // Quorum - transaction size limit
MaxCodeSize uint64 `json:"maxCodeSize"` // Quorum - maximum CodeSize of contract
// QIP714Block implements the permissions related changes
QIP714Block *big.Int `json:"qip714Block,omitempty"`
MaxCodeSizeChangeBlock *big.Int `json:"maxCodeSizeChangeBlock,omitempty"`
// to track multiple changes to maxCodeSize
MaxCodeSizeConfig []MaxCodeConfigStruct `json:"maxCodeSizeConfig,omitempty"`
PrivacyEnhancementsBlock *big.Int `json:"privacyEnhancementsBlock,omitempty"`
IsMPS bool `json:"isMPS"` // multiple private states flag
PrivacyPrecompileBlock *big.Int `json:"privacyPrecompileBlock,omitempty"` // Switch block to enable privacy precompiled contract to process privacy marker transactions
EnableGasPriceBlock *big.Int `json:"enableGasPriceBlock,omitempty"` // Switch block to enable usage of gas price
// End of Quorum specific configs
}
// 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
AllowedFutureBlockTime uint64 `json:"allowedFutureBlockTime"` // Max time (in seconds) from current time allowed for blocks, before they're considered future blocks
}
// String implements the stringer interface, returning the consensus engine details.
func (c *CliqueConfig) String() string {
return "clique"
}
// IstanbulConfig is the consensus engine configs for Istanbul based sealing.
type IstanbulConfig struct {
Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint
ProposerPolicy uint64 `json:"policy"` // The policy for proposer selection
Ceil2Nby3Block *big.Int `json:"ceil2Nby3Block,omitempty"` // Number of confirmations required to move from one state to next [2F + 1 to Ceil(2N/3)]
TestQBFTBlock *big.Int `json:"testQBFTBlock,omitempty"` // Fork block at which block confirmations are done using qbft consensus instead of ibft
}
// String implements the stringer interface, returning the consensus engine details.
func (c *IstanbulConfig) String() string {
return "istanbul"
}
type BFTConfig struct {
EpochLength uint64 `json:"epochlength"` // Number of blocks that should pass before pending validator votes are reset
BlockPeriodSeconds uint64 `json:"blockperiodseconds"` // Minimum time between two consecutive IBFT or QBFT blocks’ timestamps in seconds
EmptyBlockPeriodSeconds *uint64 `json:"emptyblockperiodseconds,omitempty"` // Minimum time between two consecutive IBFT or QBFT a block and empty block’ timestamps in seconds
RequestTimeoutSeconds uint64 `json:"requesttimeoutseconds"` // Minimum request timeout for each IBFT or QBFT round in milliseconds
ProposerPolicy uint64 `json:"policy"` // The policy for proposer selection
Ceil2Nby3Block *big.Int `json:"ceil2Nby3Block,omitempty"` // Number of confirmations required to move from one state to next [2F + 1 to Ceil(2N/3)]
ValidatorContractAddress common.Address `json:"validatorcontractaddress"` // Smart contract address for list of validators
}
type IBFTConfig struct {
*BFTConfig
}
func (c IBFTConfig) String() string {
return "istanbul"
}
type QBFTConfig struct {
*BFTConfig
BlockReward *math.HexOrDecimal256 `json:"blockReward,omitempty"` // Reward from start, works only on QBFT consensus protocol
BeneficiaryMode *string `json:"beneficiaryMode,omitempty"` // Mode for setting the beneficiary, either: list, besu, validators (beneficiary list is the list of validators)
MiningBeneficiary *common.Address `json:"miningBeneficiary,omitempty"` // Wallet address that benefits at every new block (besu mode)
ValidatorSelectionMode *string `json:"validatorselectionmode,omitempty"` // Select model for validators
Validators []common.Address `json:"validators"` // Validators list
MaxRequestTimeoutSeconds *uint64 `json:"maxRequestTimeoutSeconds"` // The max round time
}
func (c QBFTConfig) String() string {
return QBFT
}
const (
IBFT = "ibft"
QBFT = "qbft"
ContractMode = "contract"
BlockHeaderMode = "blockheader"
)
type Transition struct {
Block *big.Int `json:"block"`
Algorithm string `json:"algorithm,omitempty"`
EpochLength uint64 `json:"epochlength,omitempty"` // Number of blocks that should pass before pending validator votes are reset
BlockPeriodSeconds uint64 `json:"blockperiodseconds,omitempty"` // Minimum time between two consecutive IBFT or QBFT blocks’ timestamps in seconds
EmptyBlockPeriodSeconds *uint64 `json:"emptyblockperiodseconds,omitempty"` // Minimum time between two consecutive IBFT or QBFT a block and empty block’ timestamps in seconds
RequestTimeoutSeconds uint64 `json:"requesttimeoutseconds,omitempty"` // Minimum request timeout for each IBFT or QBFT round in milliseconds
ContractSizeLimit uint64 `json:"contractsizelimit,omitempty"` // Maximum smart contract code size
ValidatorContractAddress common.Address `json:"validatorcontractaddress"` // Smart contract address for list of validators
Validators []common.Address `json:"validators"` // List of validators
ValidatorSelectionMode string `json:"validatorselectionmode,omitempty"` // Validator selection mode to switch to
EnhancedPermissioningEnabled *bool `json:"enhancedPermissioningEnabled,omitempty"` // aka QIP714Block
PrivacyEnhancementsEnabled *bool `json:"privacyEnhancementsEnabled,omitempty"` // privacy enhancements (mandatory party, private state validation)
PrivacyPrecompileEnabled *bool `json:"privacyPrecompileEnabled,omitempty"` // enable marker transactions support
GasPriceEnabled *bool `json:"gasPriceEnabled,omitempty"` // enable gas price
MinerGasLimit uint64 `json:"miner.gaslimit,omitempty"` // Gas Limit
TwoFPlusOneEnabled *bool `json:"2FPlus1Enabled,omitempty"` // Ceil(2N/3) is the default you need to explicitly use 2F + 1
TransactionSizeLimit uint64 `json:"transactionSizeLimit,omitempty"` // Modify TransactionSizeLimit
BlockReward *math.HexOrDecimal256 `json:"blockReward,omitempty"` // validation rewards
BeneficiaryMode *string `json:"beneficiaryMode,omitempty"` // Mode for setting the beneficiary, either: list, besu, validators (beneficiary list is the list of validators)
MiningBeneficiary *common.Address `json:"miningBeneficiary,omitempty"` // Wallet address that benefits at every new block (besu mode)
MaxRequestTimeoutSeconds *uint64 `json:"maxRequestTimeoutSeconds,omitempty"` // The max a timeout should be for a round change
}
// 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
case c.Istanbul != nil:
engine = c.Istanbul
default:
engine = "unknown"
}
return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v IsQuorum: %v Constantinople: %v TransactionSizeLimit: %v MaxCodeSize: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, Berlin: %v Catalyst: %v YOLO v3: %v PrivacyEnhancements: %v PrivacyPrecompile: %v EnableGasPriceBlock: %v Engine: %v}",
c.ChainID,
c.HomesteadBlock,
c.DAOForkBlock,
c.DAOForkSupport,
c.EIP150Block,
c.EIP155Block,
c.EIP158Block,
c.ByzantiumBlock,
c.IsQuorum,
c.ConstantinopleBlock,
c.TransactionSizeLimit,
c.MaxCodeSize,
c.PetersburgBlock,
c.IstanbulBlock,
c.MuirGlacierBlock,
c.BerlinBlock,
c.CatalystBlock,
c.YoloV3Block,
c.PrivacyEnhancementsBlock, //Quorum
c.PrivacyPrecompileBlock, //Quorum
c.EnableGasPriceBlock, //Quorum
engine,
)
}
// Quorum - validate code size and transaction size limit
func (c *ChainConfig) IsValid() error {
if c.TransactionSizeLimit < 32 || c.TransactionSizeLimit > 128 {
return errors.New("Genesis transaction size limit must be between 32 and 128")
}
if c.MaxCodeSize != 0 && (c.MaxCodeSize < 24 || c.MaxCodeSize > 128) {
return errors.New("Genesis max code size must be between 24 and 128")
}
return nil
}
// IsHomestead returns whether num is either equal to the homestead block or greater.
func (c *ChainConfig) IsHomestead(num *big.Int) 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 *big.Int) 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 *big.Int) 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 *big.Int) 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 *big.Int) 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 *big.Int) 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 *big.Int) 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 *big.Int) 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 *big.Int) 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 *big.Int) 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 *big.Int) bool {
return isForked(c.BerlinBlock, num) || isForked(c.YoloV3Block, num)
}
// IsCatalyst returns whether num is either equal to the Merge fork block or greater.
func (c *ChainConfig) IsCatalyst(num *big.Int) bool {
return isForked(c.CatalystBlock, num)
}
// IsEWASM returns whether num represents a block number after the EWASM fork
func (c *ChainConfig) IsEWASM(num *big.Int) bool {
return isForked(c.EWASMBlock, num)
}
// Quorum
//
// IsQIP714 returns whether num represents a block number where permissions is enabled
func (c *ChainConfig) IsQIP714(num *big.Int) bool {
enableEnhancedPermissioning := false
c.GetTransitionValue(num, func(transition Transition) {
if transition.EnhancedPermissioningEnabled != nil {
enableEnhancedPermissioning = *transition.EnhancedPermissioningEnabled
}
})
return isForked(c.QIP714Block, num) || enableEnhancedPermissioning
}
// Quorum
//
// GetMaxCodeSize returns maxCodeSize for the given block number
func (c *ChainConfig) GetMaxCodeSize(num *big.Int) int {
maxCodeSize := MaxCodeSize
if len(c.MaxCodeSizeConfig) > 0 {
log.Warn("WARNING: The attribute config.maxCodeSizeConfig is deprecated and will be removed in the future, please use config.transitions.contractsizelimit on genesis file")
for _, data := range c.MaxCodeSizeConfig {
if data.Block.Cmp(num) > 0 {
break
}
maxCodeSize = int(data.Size) * 1024
}
} else if c.MaxCodeSize > 0 {
if c.MaxCodeSizeChangeBlock != nil && c.MaxCodeSizeChangeBlock.Cmp(big.NewInt(0)) >= 0 {
if isForked(c.MaxCodeSizeChangeBlock, num) {
maxCodeSize = int(c.MaxCodeSize) * 1024
}
} else {
maxCodeSize = int(c.MaxCodeSize) * 1024
}
}
c.GetTransitionValue(num, func(transition Transition) {
if transition.ContractSizeLimit != 0 {
maxCodeSize = int(transition.ContractSizeLimit) * 1024
}
})
return maxCodeSize
}
func (c *ChainConfig) GetRewardAccount(num *big.Int, coinbase common.Address) (common.Address, error) {
beneficiaryMode := "validator"
miningBeneficiary := common.Address{}
if c.QBFT != nil && c.QBFT.MiningBeneficiary != nil {
miningBeneficiary = *c.QBFT.MiningBeneficiary
beneficiaryMode = "fixed"
}
if c.QBFT != nil && c.QBFT.BeneficiaryMode != nil {
beneficiaryMode = *c.QBFT.BeneficiaryMode
}
c.GetTransitionValue(num, func(transition Transition) {
if transition.BeneficiaryMode != nil && (*transition.BeneficiaryMode == "validators" || *transition.BeneficiaryMode == "validator") {
beneficiaryMode = "validator"
}
if transition.MiningBeneficiary != nil && (transition.BeneficiaryMode == nil || *transition.BeneficiaryMode == "fixed") {
miningBeneficiary = *transition.MiningBeneficiary
beneficiaryMode = "fixed"
}
})
switch strings.ToLower(beneficiaryMode) {
case "fixed":
log.Trace("fixed beneficiary mode", "miningBeneficiary", miningBeneficiary)
return miningBeneficiary, nil
case "validator":
log.Trace("validator beneficiary mode", "coinbase", coinbase)
return coinbase, nil
}
return common.Address{}, errors.New("BeneficiaryMode must be coinbase|fixed")
}
func (c *ChainConfig) GetBlockReward(num *big.Int) big.Int {
blockReward := *math.NewHexOrDecimal256(0)
if c.QBFT != nil && c.QBFT.BlockReward != nil {
blockReward = *c.QBFT.BlockReward
}
c.GetTransitionValue(num, func(transition Transition) {
if transition.BlockReward != nil {
blockReward = *transition.BlockReward
}
})
return big.Int(blockReward)
}
// Quorum
// gets value at or after a transition
func (c *ChainConfig) GetTransitionValue(num *big.Int, callback func(transition Transition)) {
if c != nil && num != nil && c.Transitions != nil {
for i := 0; i < len(c.Transitions) && c.Transitions[i].Block.Cmp(num) <= 0; i++ {
callback(c.Transitions[i])
}
}
}
// Quorum
//
// GetMinerMinGasLimit returns the miners minGasLimit for the given block number
func (c *ChainConfig) GetMinerMinGasLimit(num *big.Int, defaultValue uint64) uint64 {
minGasLimit := defaultValue
if c != nil && num != nil && len(c.Transitions) > 0 {
for i := 0; i < len(c.Transitions) && c.Transitions[i].Block.Cmp(num) <= 0; i++ {
if c.Transitions[i].MinerGasLimit != 0 {
minGasLimit = c.Transitions[i].MinerGasLimit
}
}
}
return minGasLimit
}
// Quorum
//
// validates the maxCodeSizeConfig data passed in config
func (c *ChainConfig) CheckMaxCodeConfigData() error {
if c.MaxCodeSize != 0 || (c.MaxCodeSizeChangeBlock != nil && c.MaxCodeSizeChangeBlock.Cmp(big.NewInt(0)) >= 0) {
return errors.New("maxCodeSize & maxCodeSizeChangeBlock deprecated. Consider using maxCodeSizeConfig")
}
// validate max code size data
// 1. Code size should not be less than 24 and greater than 128
// 2. block entries are in ascending order
prevBlock := big.NewInt(0)
for _, data := range c.MaxCodeSizeConfig {
if data.Size < 24 || data.Size > 128 {
return errors.New("Genesis max code size must be between 24 and 128")
}
if data.Block == nil {
return errors.New("Block number not given in maxCodeSizeConfig data")
}
if data.Block.Cmp(prevBlock) < 0 {
return errors.New("invalid maxCodeSize detail, block order has to be ascending")
}
prevBlock = data.Block
}
return nil
}
func (c *ChainConfig) CheckTransitionsData() error {
isQBFT := false
if c.QBFT != nil {
isQBFT = true
}
prevBlock := big.NewInt(0)
for _, transition := range c.Transitions {
if transition.Algorithm != "" && !strings.EqualFold(transition.Algorithm, IBFT) && !strings.EqualFold(transition.Algorithm, QBFT) {
return ErrTransitionAlgorithm
}
if transition.ValidatorSelectionMode != "" && transition.ValidatorSelectionMode != ContractMode && transition.ValidatorSelectionMode != BlockHeaderMode {
return ErrValidatorSelectionMode
}
if c.Istanbul != nil && c.Istanbul.TestQBFTBlock != nil && (strings.EqualFold(transition.Algorithm, IBFT) || strings.EqualFold(transition.Algorithm, QBFT)) {
return ErrTestQBFTBlockAndTransitions
}
if len(c.MaxCodeSizeConfig) > 0 && transition.ContractSizeLimit != 0 {
return ErrMaxCodeSizeConfigAndTransitions
}
if strings.EqualFold(transition.Algorithm, QBFT) {
isQBFT = true
}
if transition.Block == nil {
return ErrBlockNumberMissing
}
if transition.Block.Cmp(prevBlock) < 0 {
return ErrBlockOrder
}
if isQBFT && strings.EqualFold(transition.Algorithm, IBFT) {
return ErrTransition
}
if transition.ContractSizeLimit != 0 && (transition.ContractSizeLimit < 24 || transition.ContractSizeLimit > 128) {
return ErrContractSizeLimit
}
if transition.ValidatorContractAddress != (common.Address{}) && transition.ValidatorSelectionMode != ContractMode {
return ErrMissingValidatorSelectionMode
}
if transition.TransactionSizeLimit != 0 && transition.TransactionSizeLimit < 32 || transition.TransactionSizeLimit > 128 {
return ErrTransactionSizeLimit
}
if transition.BeneficiaryMode != nil && *transition.BeneficiaryMode != "fixed" && *transition.BeneficiaryMode != "validators" && *transition.BeneficiaryMode != "" && *transition.BeneficiaryMode != "list" {
return ErrBeneficiaryMode
}
prevBlock = transition.Block
}
return nil
}
// Quorum
//
// checks if changes to maxCodeSizeConfig proposed are compatible
// with already existing genesis data
func isMaxCodeSizeConfigCompatible(c1, c2 *ChainConfig, head *big.Int) (error, *big.Int, *big.Int) {
if len(c1.MaxCodeSizeConfig) == 0 && len(c2.MaxCodeSizeConfig) == 0 {
// maxCodeSizeConfig not used. return
return nil, big.NewInt(0), big.NewInt(0)
}
// existing config had maxCodeSizeConfig and new one does not have the same return error
if len(c1.MaxCodeSizeConfig) > 0 && len(c2.MaxCodeSizeConfig) == 0 {
return fmt.Errorf("genesis file missing max code size information"), head, head
}
if len(c2.MaxCodeSizeConfig) > 0 && len(c1.MaxCodeSizeConfig) == 0 {
return nil, big.NewInt(0), big.NewInt(0)
}
// check the number of records below current head in both configs
// if they do not match throw an error
c1RecsBelowHead := 0
for _, data := range c1.MaxCodeSizeConfig {
if data.Block.Cmp(head) <= 0 {
c1RecsBelowHead++
} else {
break
}
}
c2RecsBelowHead := 0
for _, data := range c2.MaxCodeSizeConfig {
if data.Block.Cmp(head) <= 0 {
c2RecsBelowHead++
} else {
break
}
}
// if the count of past records is not matching return error
if c1RecsBelowHead != c2RecsBelowHead {
return errors.New("maxCodeSizeConfig data incompatible. updating maxCodeSize for past"), head, head
}
// validate that each past record is matching exactly. if not return error
for i := 0; i < c1RecsBelowHead; i++ {
if c1.MaxCodeSizeConfig[i].Block.Cmp(c2.MaxCodeSizeConfig[i].Block) != 0 ||
c1.MaxCodeSizeConfig[i].Size != c2.MaxCodeSizeConfig[i].Size {
return errors.New("maxCodeSizeConfig data incompatible. maxCodeSize historical data does not match"), head, head
}
}
return nil, big.NewInt(0), big.NewInt(0)
}
// Quorum
//
// checks if changes to transitions proposed are compatible
// with already existing genesis data
func isTransitionsConfigCompatible(c1, c2 *ChainConfig, head *big.Int) (error, *big.Int, *big.Int) {
if len(c1.Transitions) == 0 && len(c2.Transitions) == 0 {
// maxCodeSizeConfig not used. return
return nil, big.NewInt(0), big.NewInt(0)
}
// existing config had Transitions and new one does not have the same return error
if len(c1.Transitions) > 0 && len(c2.Transitions) == 0 {
return fmt.Errorf("genesis file missing transitions information"), head, head
}
if len(c2.Transitions) > 0 && len(c1.Transitions) == 0 {
return nil, big.NewInt(0), big.NewInt(0)
}
// check the number of records below current head in both configs
// if they do not match throw an error
c1RecsBelowHead := 0
for _, data := range c1.Transitions {
if data.Block.Cmp(head) <= 0 {
c1RecsBelowHead++
} else {
break
}
}
c2RecsBelowHead := 0
for _, data := range c2.Transitions {
if data.Block.Cmp(head) <= 0 {
c2RecsBelowHead++
} else {
break
}
}
// if the count of past records is not matching return error
if c1RecsBelowHead != c2RecsBelowHead {
return errors.New("transitions data incompatible. updating transitions for past"), head, head
}
// validate that each past record is matching exactly. if not return error
for i := 0; i < c1RecsBelowHead; i++ {
isSameBlock := c1.Transitions[i].Block.Cmp(c2.Transitions[i].Block) != 0
if isSameBlock || c1.Transitions[i].Algorithm != c2.Transitions[i].Algorithm {
return ErrTransitionIncompatible("Algorithm"), head, head
}
if isSameBlock || c1.Transitions[i].BlockPeriodSeconds != c2.Transitions[i].BlockPeriodSeconds {
return ErrTransitionIncompatible("BlockPeriodSeconds"), head, head
}
if isSameBlock || c1.Transitions[i].RequestTimeoutSeconds != c2.Transitions[i].RequestTimeoutSeconds {
return ErrTransitionIncompatible("RequestTimeoutSeconds"), head, head
}
if isSameBlock || c1.Transitions[i].EpochLength != c2.Transitions[i].EpochLength {
return ErrTransitionIncompatible("EpochLength"), head, head
}
if isSameBlock || c1.Transitions[i].ContractSizeLimit != c2.Transitions[i].ContractSizeLimit {
return ErrTransitionIncompatible("ContractSizeLimit"), head, head
}
if isSameBlock || c1.Transitions[i].ValidatorContractAddress != c2.Transitions[i].ValidatorContractAddress {
return ErrTransitionIncompatible("ValidatorContractAddress"), head, head
}
if isSameBlock || c1.Transitions[i].ValidatorSelectionMode != c2.Transitions[i].ValidatorSelectionMode {
return ErrTransitionIncompatible("ValidatorSelectionMode"), head, head
}
if isSameBlock || c1.Transitions[i].MinerGasLimit != c2.Transitions[i].MinerGasLimit {
return ErrTransitionIncompatible("Miner GasLimit"), head, head
}
if isSameBlock || c1.Transitions[i].TwoFPlusOneEnabled != c2.Transitions[i].TwoFPlusOneEnabled {
return ErrTransitionIncompatible("2FPlus1Enabled"), head, head
}
if isSameBlock || c1.Transitions[i].MinerGasLimit != c2.Transitions[i].MinerGasLimit {
return ErrTransitionIncompatible("TransactionSizeLimit"), head, head
}
}
return nil, big.NewInt(0), big.NewInt(0)
}
// Quorum
//
// IsPrivacyEnhancementsEnabled returns whether num represents a block number after the PrivacyEnhancementsEnabled fork
func (c *ChainConfig) IsPrivacyEnhancementsEnabled(num *big.Int) bool {
isPrivacyEnhancementsEnabled := false
c.GetTransitionValue(num, func(transition Transition) {
if transition.PrivacyEnhancementsEnabled != nil {
isPrivacyEnhancementsEnabled = *transition.PrivacyEnhancementsEnabled
}
})
return isForked(c.PrivacyEnhancementsBlock, num) || isPrivacyEnhancementsEnabled
}
// Quorum
//
// Check whether num represents a block number after the PrivacyPrecompileBlock
func (c *ChainConfig) IsPrivacyPrecompileEnabled(num *big.Int) bool {
isPrivacyPrecompileEnabled := false
c.GetTransitionValue(num, func(transition Transition) {
if transition.PrivacyPrecompileEnabled != nil {
isPrivacyPrecompileEnabled = *transition.PrivacyPrecompileEnabled
}
})
return isForked(c.PrivacyPrecompileBlock, num) || isPrivacyPrecompileEnabled
}
// Quorum
func (c *ChainConfig) GetTransactionSizeLimit(num *big.Int) uint64 {
transactionSizeLimit := uint64(0)
c.GetTransitionValue(num, func(transition Transition) {
transactionSizeLimit = transition.TransactionSizeLimit
})
if transactionSizeLimit == 0 {
transactionSizeLimit = c.TransactionSizeLimit
}
if transactionSizeLimit == 0 {
transactionSizeLimit = 64
}
return transactionSizeLimit
}
// Quorum
//
// Check whether num represents a block number after the EnableGasPriceBlock
func (c *ChainConfig) IsGasPriceEnabled(num *big.Int) bool {
isGasEnabled := false
c.GetTransitionValue(num, func(transition Transition) {
if transition.GasPriceEnabled != nil {
isGasEnabled = *transition.GasPriceEnabled
}
})
return isForked(c.EnableGasPriceBlock, num) || isGasEnabled
}
// CheckCompatible checks whether scheduled fork transitions have been imported
// with a mismatching chain configuration.
func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64, isQuorumEIP155Activated bool) *ConfigCompatError {
bhead := new(big.Int).SetUint64(height)
// check if the maxCodesize data passed is compatible 1st
// this is being handled separately as it can have breaks
// at multiple block heights and cannot be handled with in
// checkCompatible
// compare the maxCodeSize data between the old and new config
err, cBlock, newCfgBlock := isMaxCodeSizeConfigCompatible(c, newcfg, bhead)