heco

Documentation

Overview

* Copyright (C) 2021 The poly network Authors * This file is part of The poly network library. * * The poly network 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 poly network 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 poly network . If not, see <http://www.gnu.org/licenses/>.

Index

• Variables
• func CalcBaseFee(parent *eth.Header) *big.Int
• func GetCanonicalHeight(native *native.NativeService, chainID uint64) (height uint64, err error)
• func ParseValidators(validatorsBytes []byte) ([]ecommon.Address, error)
• func SealHash(header *eth.Header, chainID *big.Int) (hash ecommon.Hash)
• func VerifyEip1559Header(parent, header *eth.Header) error
• func VerifyGaslimit(parentGasLimit, headerGasLimit uint64) error
• type Context
• type ExtraInfo
• type GenesisHeader
• type Handler
  • func NewHecoHandler() *Handler
  • func (h *Handler) SyncBlockHeader(native *native.NativeService) error
  • func (h *Handler) SyncCrossChainMsg(native *native.NativeService) error
  • func (h *Handler) SyncGenesisHeader(native *native.NativeService) (err error)
• type HeaderWithChainID
• type HeaderWithDifficultySum
  • func GetCanonicalHeader(native *native.NativeService, chainID uint64, height uint64) (headerWithSum *HeaderWithDifficultySum, err error)
• type HeightAndValidators

Variables

var (
	GasLimitBoundDivisor uint64 = 256 // The bound divisor of the gas limit, used in update calculations.
)

var TestFlagNoCheckHecoHeaderSig bool

only for testing purpose to check if heco chain can be normal back after fork happens

Functions

func CalcBaseFee

func CalcBaseFee(parent *eth.Header) *big.Int

CalcBaseFee calculates the basefee of the header.

func GetCanonicalHeight

func GetCanonicalHeight(native *native.NativeService, chainID uint64) (height uint64, err error)

GetCanonicalHeight ...

func ParseValidators

func ParseValidators(validatorsBytes []byte) ([]ecommon.Address, error)

ParseValidators ...

func SealHash

func SealHash(header *eth.Header, chainID *big.Int) (hash ecommon.Hash)

SealHash returns the hash of a block prior to it being sealed.

func VerifyEip1559Header

func VerifyEip1559Header(parent, header *eth.Header) error

VerifyEip1559Header verifies some header attributes which were changed in EIP-1559, - gas limit check - basefee check

func VerifyGaslimit

func VerifyGaslimit(parentGasLimit, headerGasLimit uint64) error

VerifyGaslimit verifies the header gas limit according increase/decrease in relation to the parent gas limit.

Types

type Context

type Context struct {
	ExtraInfo ExtraInfo
	ChainID   uint64
}

Context ...

type ExtraInfo

type ExtraInfo struct {
	ChainID *big.Int // chainId of heco chain, testnet: 256, mainnet: 128
	Period  uint64
}

ExtraInfo ...

type GenesisHeader

type GenesisHeader struct {
	Header         eth.Header
	PrevValidators []HeightAndValidators
}

GenesisHeader ...

type Handler

type Handler struct {
}

Handler ...

func NewHecoHandler

func NewHecoHandler() *Handler

NewHandler ...

func (*Handler) SyncBlockHeader

func (h *Handler) SyncBlockHeader(native *native.NativeService) error

SyncBlockHeader ... Will verify header coming from congress consensus https://github.com/HuobiGroup/huobi-eco-chain/tree/master/consensus/congress

func (*Handler) SyncCrossChainMsg

func (h *Handler) SyncCrossChainMsg(native *native.NativeService) error

SyncCrossChainMsg ...

func (*Handler) SyncGenesisHeader

func (h *Handler) SyncGenesisHeader(native *native.NativeService) (err error)

SyncGenesisHeader ...

type HeaderWithChainID

type HeaderWithChainID struct {
	Header  *HeaderWithDifficultySum
	ChainID uint64
}

HeaderWithChainID ...

type HeaderWithDifficultySum

type HeaderWithDifficultySum struct {
	Header          *eth.Header   `json:"header"`
	DifficultySum   *big.Int      `json:"difficultySum"`
	EpochParentHash *ecommon.Hash `json:"epochParentHash"`
}

HeaderWithDifficultySum ...

func GetCanonicalHeader

func GetCanonicalHeader(native *native.NativeService, chainID uint64, height uint64) (headerWithSum *HeaderWithDifficultySum, err error)

GetCanonicalHeader ...

type HeightAndValidators

type HeightAndValidators struct {
	Height     *big.Int
	Validators []ecommon.Address
	Hash       *ecommon.Hash
}

HeightAndValidators ...