util

package
v2.6.0+incompatible Latest Latest
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 Go to latest Published: Sep 6, 2019 License: GPL-3.0 Imports: 11 Imported by: 30

Documentation

Index

Constants

View Source 
const (
	CommonQuotaRatio   uint8  = 10
	QuotaRatioDivision uint64 = 10
	OneRound           uint64 = 75
)

Variables

View Source 
var (
	AttovPerVite                    = big.NewInt(1e18)
	CreateContractDataLengthMin     = 13
	CreateContractDataLengthMinRand = 14
)
View Source 
var (
	ErrInvalidMethodParam        = VMError{"invalid method param", false}
	ErrInvalidQuotaRatio         = VMError{"invalid quota ratio", false}
	ErrRewardIsNotDrained        = VMError{"reward is not drained", false}
	ErrInsufficientBalance       = VMError{"insufficient balance for transfer", false}
	ErrCalcPoWTwice              = VMError{"calc PoW twice referring to one snapshot block", false}
	ErrAbiMethodNotFound         = VMError{"abi: method not found", false}
	ErrInvalidConfirmTime        = VMError{"invalid confirm time", false}
	ErrInvalidSeedCount          = VMError{"invalid seed count", false}
	ErrAddressNotMatch           = VMError{"current address not match", false}
	ErrTransactionTypeNotSupport = VMError{"transaction type not supported", false}
	ErrVersionNotSupport         = VMError{"feature not supported in current snapshot height", false}
	ErrBlockTypeNotSupported     = VMError{"block type not supported", true}
	ErrDataNotExist              = VMError{"data not exist", false}
	ErrContractNotExists         = VMError{"contract not exists", false}
	ErrNoReliableStatus          = VMError{"no reliable status", false}

	ErrAddressCollision = VMError{"contract address collision", false}
	ErrIdCollision      = VMError{"id collision", false}
	ErrRewardNotDue     = VMError{"reward not due", false}

	ErrExecutionReverted = VMError{"execution reverted", false}
	ErrDepth             = VMError{"max call depth exceeded", false}

	ErrGasUintOverflow          = VMError{"gas uint64 overflow", true}
	ErrMemSizeOverflow          = VMError{"memory size uint64 overflow", true}
	ErrReturnDataOutOfBounds    = VMError{"vm: return data out of bounds", true}
	ErrBlockQuotaLimitReached   = VMError{"quota limit for block reached", true}
	ErrAccountQuotaLimitReached = VMError{"quota limit for account reached", true}
	ErrOutOfQuota               = VMError{"out of quota", true}
	ErrInvalidUnconfirmedQuota  = VMError{"calc quota failed, invalid unconfirmed quota", true}

	ErrStackLimitReached      = VMError{"stack limit reached", true}
	ErrStackUnderflow         = VMError{"stack underflow", true}
	ErrInvalidJumpDestination = VMError{"invalid jump destination", true}
	ErrInvalidOpCode          = VMError{"invalid opcode", true}

	ErrChainForked          = VMError{"chain forked", false}
	ErrContractCreationFail = VMError{"contract creation failed", false}

	ErrExecutionCanceled = VMError{"vm execution canceled", false}
)
View Source 
var (
	SolidityPPContractType uint8 = 1
)

Functions

func AddBalance 

func AddBalance(db dbInterface, id *types.TokenTypeId, amount *big.Int)

func CalcQuotaUsed 

func CalcQuotaUsed(useQuota bool, quotaTotal, quotaAddition, quotaLeft uint64, err error) (q uint64, qUsed uint64)

func CheckFork 

func CheckFork(db dbInterface, f func(uint64) bool) bool

func DataGasCost 

func DataGasCost(data []byte, gasTable *GasTable) (uint64, error)

func DealWithErr 

func DealWithErr(v interface{})

DealWithErr panics if err is not nil. Used when chain forked or db error.

func FirstToLower 

func FirstToLower(str string) string

func GetCodeFromCreateContractData added in v1.2.0 

func GetCodeFromCreateContractData(data []byte, snapshotHeight uint64) []byte

func GetConfirmTimeFromCreateContractData 

func GetConfirmTimeFromCreateContractData(data []byte) uint8

func GetContractCode added in v1.2.0 

func GetContractCode(db CommonDb, addr *types.Address, status GlobalStatus) ([]byte, []byte)

func GetContractTypeFromCreateContractData added in v1.2.0 

func GetContractTypeFromCreateContractData(data []byte) uint8

func GetCreateContractData added in v1.2.0 

func GetCreateContractData(bytecode []byte, contractType uint8, confirmTimes uint8, seedCount uint8, quotaRatio uint8, gid types.Gid) []byte

func GetGidFromCreateContractData added in v1.2.0 

func GetGidFromCreateContractData(data []byte) types.Gid

func GetQuotaRatioFromCreateContractData 

func GetQuotaRatioFromCreateContractData(data []byte, snapshotHeight uint64) uint8

func GetSeedCountFromCreateContractData 

func GetSeedCountFromCreateContractData(data []byte) uint8

func GetValue 

func GetValue(db dbInterface, key []byte) []byte

func IntrinsicGasCost 

func IntrinsicGasCost(data []byte, baseGas uint64, confirmTime uint8, gasTable *GasTable) (uint64, error)

func IsDelegateGid 

func IsDelegateGid(gid types.Gid) bool

func IsExistContractType added in v1.2.0 

func IsExistContractType(contractType uint8) bool

func IsPoW 

func IsPoW(block *ledger.AccountBlock) bool

func IsSnapshotGid 

func IsSnapshotGid(gid types.Gid) bool

func IsUserAccount added in v1.2.0 

func IsUserAccount(addr types.Address) bool

func IsValidQuotaRatio 

func IsValidQuotaRatio(quotaRatio uint8) bool

func IsViteToken 

func IsViteToken(tokenId types.TokenTypeId) bool

func MakeSendBlock 

func MakeSendBlock(fromAddress types.Address, toAddress types.Address, blockType byte, amount *big.Int, tokenId types.TokenTypeId, data []byte) *ledger.AccountBlock

func MultipleCost 

func MultipleCost(cost uint64, quotaRatio uint8) (uint64, error)

func NewContractAddress added in v1.2.0 

func NewContractAddress(accountAddress types.Address, accountBlockHeight uint64, prevBlockHash types.Hash) types.Address

func NewLog added in v1.3.0 

func NewLog(c abi.ABIContract, name string, params ...interface{}) *ledger.VmLog

func PackContractCode added in v1.2.0 

func PackContractCode(contractType uint8, code []byte) []byte

func PrintMap added in v1.2.0 

func PrintMap(m map[string][]byte) string

func SetValue 

func SetValue(db dbInterface, key []byte, value []byte)

func SubBalance 

func SubBalance(db dbInterface, id *types.TokenTypeId, amount *big.Int)

func TxGasCost 

func TxGasCost(data []byte, gasTable *GasTable) (uint64, error)

func UseQuota 

func UseQuota(quotaLeft, cost uint64) (uint64, error)

func UseQuotaWithFlag 

func UseQuotaWithFlag(quotaLeft, cost uint64, flag bool) (uint64, error)

Types

type CommonDb added in v1.2.0 

type CommonDb interface {
	Address() *types.Address
	IsContractAccount() (bool, error)
	GetContractCode() ([]byte, error)
	GetContractCodeBySnapshotBlock(addr *types.Address, snapshotBlock *ledger.SnapshotBlock) ([]byte, error)
}

type ConsensusReader 

type ConsensusReader interface {
	GetIndexByStartTime(t int64, genesisTime int64) (startIndex uint64, startTime int64, drained bool)
	GetIndexByEndTime(t int64, genesisTime int64) (endIndex uint64, endTime int64, withinADay bool)
	GetIndexByTime(t int64, genesisTime int64) uint64
	GetEndTimeByIndex(index uint64) int64
	GetConsensusDetailByDay(startIndex, endIndex uint64) ([]*core.DayStats, error)
}

type GasTable 

type GasTable struct {
	AddGas            uint64
	MulGas            uint64
	SubGas            uint64
	DivGas            uint64
	SdivGas           uint64
	ModGas            uint64
	SmodGas           uint64
	AddmodGas         uint64
	MulmodGas         uint64
	ExpGas            uint64
	ExpByteGas        uint64
	SignextendGas     uint64
	LtGas             uint64
	GtGas             uint64
	SltGas            uint64
	SgtGas            uint64
	EqGas             uint64
	IszeroGas         uint64
	AndGas            uint64
	OrGas             uint64
	XorGas            uint64
	NotGas            uint64
	ByteGas           uint64
	ShlGas            uint64
	ShrGas            uint64
	SarGas            uint64
	Blake2bGas        uint64
	Blake2bWordGas    uint64
	AddressGas        uint64
	BalanceGas        uint64
	CallerGas         uint64
	CallvalueGas      uint64
	CalldataloadGas   uint64
	CalldatasizeGas   uint64
	CalldatacopyGas   uint64
	MemcopyWordGas    uint64
	CodesizeGas       uint64
	CodeCopyGas       uint64
	ReturndatasizeGas uint64
	ReturndatacopyGas uint64
	TimestampGas      uint64
	HeightGas         uint64
	TokenidGas        uint64
	AccountheightGas  uint64
	PrevhashGas       uint64
	FromhashGas       uint64
	SeedGas           uint64
	RandomGas         uint64
	PopGas            uint64
	MloadGas          uint64
	MstoreGas         uint64
	Mstore8Gas        uint64
	SloadGas          uint64
	SstoreResetGas    uint64
	SstoreInitGas     uint64
	SstoreCleanGas    uint64
	SstoreNoopGas     uint64
	SstoreMemGas      uint64
	JumpGas           uint64
	JumpiGas          uint64
	PcGas             uint64
	MsizeGas          uint64
	JumpdestGas       uint64
	PushGas           uint64
	DupGas            uint64
	SwapGas           uint64
	LogGas            uint64
	LogTopicGas       uint64
	LogDataGas        uint64
	CallMinusGas      uint64
	MemGasDivision    uint64
	ConfirmTimeGas    uint64
	CodeGas           uint64
	MemGas            uint64

	TxGas               uint64
	TxDataGas           uint64
	CreateTxRequestGas  uint64
	CreateTxResponseGas uint64

	RegisterGas                           uint64
	UpdateRegistrationGas                 uint64
	CancelRegisterGas                     uint64
	RewardGas                             uint64
	VoteGas                               uint64
	CancelVoteGas                         uint64
	PledgeGas                             uint64
	CancelPledgeGas                       uint64
	AgentPledgeGas                        uint64
	AgentCancelPledgeGas                  uint64
	MintGas                               uint64
	IssueGas                              uint64
	BurnGas                               uint64
	TransferOwnerGas                      uint64
	ChangeTokenTypeGas                    uint64
	GetTokenInfoGas                       uint64
	DexFundDepositGas                     uint64
	DexFundWithdrawGas                    uint64
	DexFundOpenNewMarketGas               uint64
	DexFundPlaceOrderGas                  uint64
	DexFundSettleOrdersGas                uint64
	DexFundTriggerPeriodJobGas            uint64
	DexFundStakeForMiningGas              uint64
	DexFundStakeForVipGas                 uint64
	DexFundStakeForSuperVIPGas            uint64
	DexFundDelegateStakeCallbackGas       uint64
	DexFundCancelDelegateStakeCallbackGas uint64
	DexFundGetTokenInfoCallbackGas        uint64
	DexFundAdminConfigGas                 uint64
	DexFundTradeAdminConfigGas            uint64
	DexFundMarketAdminConfigGas           uint64
	DexFundTransferTokenOwnershipGas      uint64
	DexFundNotifyTimeGas                  uint64
	DexFundCreateNewInviterGas            uint64
	DexFundBindInviteCodeGas              uint64
	DexFundEndorseVxGas                   uint64
	DexFundSettleMakerMinedVxGas          uint64
	DexFundConfigMarketAgentsGas          uint64
	DexFunPlaceAgentOrderGas              uint64
}

func GasTableByHeight 

func GasTableByHeight(sbHeight uint64) *GasTable

type GlobalStatus 

type GlobalStatus interface {
	Seed() (uint64, error)                // Random number, returns same number
	Random() (uint64, error)              // Random number, returns different number every time calls
	SnapshotBlock() *ledger.SnapshotBlock // Confirm snapshot block of send block
}

Only exitst in contract receive block

type SBPStatReader 

type SBPStatReader interface {
	DayStats(startIndex uint64, endIndex uint64) ([]*core.DayStats, error)
	GetDayTimeIndex() core.TimeIndex
}

type VMConsensusReader 

type VMConsensusReader struct {
	// contains filtered or unexported fields
}

func NewVmConsensusReader 

func NewVmConsensusReader(sr SBPStatReader) *VMConsensusReader

func (*VMConsensusReader) GetConsensusDetailByDay 

func (r *VMConsensusReader) GetConsensusDetailByDay(startIndex, endIndex uint64) ([]*core.DayStats, error)

func (*VMConsensusReader) GetEndTimeByIndex 

func (r *VMConsensusReader) GetEndTimeByIndex(index uint64) int64

func (*VMConsensusReader) GetIndexByEndTime 

func (r *VMConsensusReader) GetIndexByEndTime(t int64, genesisTime int64) (uint64, int64, bool)

get first index before t and index start time if t <= genesis time + 24h, return index 0, within one day if t ∈ (genesis time + 24h, genesis time + 48h], return index 0

func (*VMConsensusReader) GetIndexByStartTime 

func (r *VMConsensusReader) GetIndexByStartTime(t int64, genesisTime int64) (uint64, int64, bool)

index 0 : (genesis time, genesis time + 24h] index 1: (genesis time + 24h, genesis time + 48h] get first index after t and index start time if t == -1, reward drained if t == 0, return index 0 if t ∈ (genesis time, genesis time + 24h], return index 1

func (*VMConsensusReader) GetIndexByTime 

func (r *VMConsensusReader) GetIndexByTime(t int64, genesisTime int64) uint64

type VMError 

type VMError struct {
	// contains filtered or unexported fields
}

func (VMError) CostAllGas 

func (e VMError) CostAllGas() bool

func (VMError) Error 

func (e VMError) Error() string

Source Files

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