chain

type AuRaConfig struct {
	StepDuration *uint64           `json:"stepDuration"` // Block duration, in seconds.
	Validators   *ValidatorSetJson `json:"validators"`   // Valid authorities

	// Starting step. Determined automatically if not specified.
	// To be used for testing only.
	StartStep               *uint64 `json:"startStep"`
	ValidateScoreTransition *uint64 `json:"validateScoreTransition"` // Block at which score validation should start.
	ValidateStepTransition  *uint64 `json:"validateStepTransition"`  // Block from which monotonic steps start.
	ImmediateTransitions    *bool   `json:"immediateTransitions"`    // Whether transitions should be immediate.
	BlockReward             *uint64 `json:"blockReward"`             // Reward per block in wei.
	// Block at which the block reward contract should start being used. This option allows one to
	// add a single block reward contract transition and is compatible with the multiple address
	// option `block_reward_contract_transitions` below.
	BlockRewardContractTransition *uint64 `json:"blockRewardContractTransition"`
	/// Block reward contract address which overrides the `block_reward` setting. This option allows
	/// one to add a single block reward contract address and is compatible with the multiple
	/// address option `block_reward_contract_transitions` below.
	BlockRewardContractAddress *common.Address `json:"blockRewardContractAddress"`
	// Block reward contract addresses with their associated starting block numbers.
	//
	// Setting the block reward contract overrides `block_reward`. If the single block reward
	// contract address is also present then it is added into the map at the block number stored in
	// `block_reward_contract_transition` or 0 if that block number is not provided. Therefore both
	// a single block reward contract transition and a map of reward contract transitions can be
	// used simultaneously in the same configuration. In such a case the code requires that the
	// block number of the single transition is strictly less than any of the block numbers in the
	// map.
	BlockRewardContractTransitions map[uint]common.Address `json:"blockRewardContractTransitions"`
	// Block at which maximum uncle count should be considered.
	MaximumUncleCountTransition *uint64 `json:"maximumUncleCountTransition"`
	// Maximum number of accepted uncles.
	MaximumUncleCount *uint `json:"maximumUncleCount"`
	// Strict validation of empty steps transition block.
	StrictEmptyStepsTransition *uint `json:"strictEmptyStepsTransition"`
	// The random number contract's address, or a map of contract transitions.
	RandomnessContractAddress map[uint64]common.Address `json:"randomnessContractAddress"`
	// The addresses of contracts that determine the block gas limit starting from the block number
	// associated with each of those contracts.
	BlockGasLimitContractTransitions map[uint64]common.Address `json:"blockGasLimitContractTransitions"`
	// The block number at which the consensus engine switches from AuRa to AuRa with POSDAO
	// modifications.
	PosdaoTransition *uint64 `json:"PosdaoTransition"`
	// Stores human-readable keys associated with addresses, like DNS information.
	// This contract is primarily required to store the address of the Certifier contract.
	Registrar *common.Address `json:"registrar"`

	// See https://github.com/gnosischain/specs/blob/master/execution/withdrawals.md
	WithdrawalContractAddress *common.Address `json:"withdrawalContractAddress"`

	RewriteBytecode map[uint64]map[common.Address]hexutility.Bytes `json:"rewriteBytecode"`
}

type BorConfig struct {
	Period                map[string]uint64 `json:"period"`                // Number of seconds between blocks to enforce
	ProducerDelay         map[string]uint64 `json:"producerDelay"`         // Number of seconds delay between two producer interval
	Sprint                map[string]uint64 `json:"sprint"`                // Epoch length to proposer
	BackupMultiplier      map[string]uint64 `json:"backupMultiplier"`      // Backup multiplier to determine the wiggle time
	ValidatorContract     string            `json:"validatorContract"`     // Validator set contract
	StateReceiverContract string            `json:"stateReceiverContract"` // State receiver contract

	OverrideStateSyncRecords map[string]int         `json:"overrideStateSyncRecords"` // override state records count
	BlockAlloc               map[string]interface{} `json:"blockAlloc"`

	JaipurBlock                *big.Int          `json:"jaipurBlock"`                // Jaipur switch block (nil = no fork, 0 = already on jaipur)
	DelhiBlock                 *big.Int          `json:"delhiBlock"`                 // Delhi switch block (nil = no fork, 0 = already on delhi)
	IndoreBlock                *big.Int          `json:"indoreBlock"`                // Indore switch block (nil = no fork, 0 = already on indore)
	AgraBlock                  *big.Int          `json:"agraBlock"`                  // Agra switch block (nil = no fork, 0 = already in agra)
	StateSyncConfirmationDelay map[string]uint64 `json:"stateSyncConfirmationDelay"` // StateSync Confirmation Delay, in seconds, to calculate `to`

	ParallelUniverseBlock *big.Int `json:"parallelUniverseBlock"` // TODO: update all occurrence, change name and finalize number (hardfork for block-stm related changes)
	// contains filtered or unexported fields
}

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
}

type Config struct {
	ChainName string
	ChainID   *big.Int `json:"chainId"` // chainId identifies the current chain and is used for replay protection

	Consensus ConsensusName `json:"consensus,omitempty"` // aura, ethash or clique

	// ETH mainnet upgrades
	// See https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades
	HomesteadBlock        *big.Int `json:"homesteadBlock,omitempty"`
	DAOForkBlock          *big.Int `json:"daoForkBlock,omitempty"`
	TangerineWhistleBlock *big.Int `json:"eip150Block,omitempty"`
	SpuriousDragonBlock   *big.Int `json:"eip155Block,omitempty"`
	ByzantiumBlock        *big.Int `json:"byzantiumBlock,omitempty"`
	ConstantinopleBlock   *big.Int `json:"constantinopleBlock,omitempty"`
	PetersburgBlock       *big.Int `json:"petersburgBlock,omitempty"`
	IstanbulBlock         *big.Int `json:"istanbulBlock,omitempty"`
	MuirGlacierBlock      *big.Int `json:"muirGlacierBlock,omitempty"`
	BerlinBlock           *big.Int `json:"berlinBlock,omitempty"`
	LondonBlock           *big.Int `json:"londonBlock,omitempty"`
	ArrowGlacierBlock     *big.Int `json:"arrowGlacierBlock,omitempty"`
	GrayGlacierBlock      *big.Int `json:"grayGlacierBlock,omitempty"`

	// EIP-3675: Upgrade consensus to Proof-of-Stake (a.k.a. "Paris", "The Merge")
	TerminalTotalDifficulty       *big.Int `json:"terminalTotalDifficulty,omitempty"`       // The merge happens when terminal total difficulty is reached
	TerminalTotalDifficultyPassed bool     `json:"terminalTotalDifficultyPassed,omitempty"` // Disable PoW sync for networks that have already passed through the Merge
	MergeNetsplitBlock            *big.Int `json:"mergeNetsplitBlock,omitempty"`            // Virtual fork after The Merge to use as a network splitter; see FORK_NEXT_VALUE in EIP-3675

	// Mainnet fork scheduling switched from block numbers to timestamps after The Merge
	ShanghaiTime *big.Int `json:"shanghaiTime,omitempty"`
	CancunTime   *big.Int `json:"cancunTime,omitempty"`
	PragueTime   *big.Int `json:"pragueTime,omitempty"`

	// Optional EIP-4844 parameters
	MinBlobGasPrice            *uint64 `json:"minBlobGasPrice,omitempty"`
	MaxBlobGasPerBlock         *uint64 `json:"maxBlobGasPerBlock,omitempty"`
	TargetBlobGasPerBlock      *uint64 `json:"targetBlobGasPerBlock,omitempty"`
	BlobGasPriceUpdateFraction *uint64 `json:"blobGasPriceUpdateFraction,omitempty"`

	// (Optional) governance contract where EIP-1559 fees will be sent to that otherwise would be burnt since the London fork
	BurntContract map[string]common.Address `json:"burntContract,omitempty"`

	// Various consensus engines
	Ethash *EthashConfig `json:"ethash,omitempty"`
	Clique *CliqueConfig `json:"clique,omitempty"`
	Aura   *AuRaConfig   `json:"aura,omitempty"`
	Bor    *BorConfig    `json:"bor,omitempty"`
}

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
}

type ConsensusName string

type EthashConfig struct{}

type Rules struct {
	ChainID                                                 *big.Int
	IsHomestead, IsTangerineWhistle, IsSpuriousDragon       bool
	IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
	IsBerlin, IsLondon, IsShanghai, IsCancun, IsPrague      bool
	IsAura                                                  bool
}

type ValidatorSetJson struct {
	// A simple list of authorities.
	List []common.Address `json:"list"`
	// Address of a contract that indicates the list of authorities.
	SafeContract *common.Address `json:"safeContract"`
	// Address of a contract that indicates the list of authorities and enables reporting of their misbehaviour using transactions.
	Contract *common.Address `json:"contract"`
	// A map of starting blocks for each validator set.
	Multi map[uint64]*ValidatorSetJson `json:"multi"`
}