vm

package
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Published: Jan 16, 2024 License: GPL-3.0 Imports: 4 Imported by: 0

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Index

Constants

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const (
	// InsufficientGasLimit defined constant for return message
	InsufficientGasLimit = "insufficient gas limit"
	// StakeNotEnabled defined constant for return message
	StakeNotEnabled = "stake is not enabled"
	// UnBondNotEnabled defined constant for return message
	UnBondNotEnabled = "unBond is not enabled"
	// UnStakeNotEnabled defined constant for return message
	UnStakeNotEnabled = "unStake is not enabled"
	// TransactionValueMustBeZero defined constant for return message
	TransactionValueMustBeZero = "transaction value must be zero"
	// CannotGetOrCreateRegistrationData defined constant for return message
	CannotGetOrCreateRegistrationData = "cannot get or create registration data: error - "
	// CannotGetAllBlsKeysFromRegistrationData defined constant for return message
	CannotGetAllBlsKeysFromRegistrationData = "could not get all blsKeys from registration data: error - "
)

Variables

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var DelegationManagerSCAddress = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 255, 255}

DelegationManagerSCAddress is the hard-coded address for the delegation manager smart contract

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var ESDTSCAddress = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 255, 255}

ESDTSCAddress is the hard-coded address for esdt issuing smart contract

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var EndOfEpochAddress = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}

EndOfEpochAddress is the hard-coded address which can call system smart contract functions at end of epoch

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var ErrBLSPublicKeyAlreadyJailed = errors.New("bls public key already jailed")

ErrBLSPublicKeyAlreadyJailed signals that bls public key was already jailed

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var ErrBLSPublicKeyMismatch = errors.New("public key mismatch")

ErrBLSPublicKeyMismatch signals that public keys do not match

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var ErrBLSPublicKeyMissmatch = errors.New("public key missmatch")

ErrBLSPublicKeyMissmatch signals that public keys do not match

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var ErrCallValueMustBeZero = errors.New("call value must be zero")

ErrCallValueMustBeZero signals that call value must be zero

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var ErrCouldNotCreateNewTokenIdentifier = errors.New("token identifier could not be created")

ErrCouldNotCreateNewTokenIdentifier signals that token identifier could not be created

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var ErrDataNotFoundUnderKey = errors.New("data was not found under requested key")

ErrDataNotFoundUnderKey signals that data was not found under requested key

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var ErrDoubleVote = errors.New("double vote is not allowed")

ErrDoubleVote signals that user is voting for the second time for the same proposal

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var ErrDuplicatesFoundInArguments = errors.New("duplicates found in arguments")

ErrDuplicatesFoundInArguments signals that duplicates were found in arguments

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var ErrElementNotFound = errors.New("element was not found")

ErrElementNotFound signals that element was not found

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var ErrEmptyStorage = errors.New("storage is nil for given key")

ErrEmptyStorage signals that the storage is empty for given key

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var ErrIncorrectConfig = errors.New("config incorrect")

ErrIncorrectConfig signals that the config is incorrect

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var ErrInputArgsIsNil = errors.New("input system smart contract arguments are nil")

ErrInputArgsIsNil signals that input arguments are nil for system smart contract

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var ErrInputAsyncParamsMissing = errors.New("input does not contain async params")

ErrInputAsyncParamsMissing signals that input does not contain async params

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var ErrInputCallValueIsNil = errors.New("input value for system smart contract is nil")

ErrInputCallValueIsNil signals that input call value is nil for system smart contract

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var ErrInputCallerAddrIsNil = errors.New("input called address for system smart contract is nil")

ErrInputCallerAddrIsNil signals that input caller address is nil for system smart contract

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var ErrInputFunctionIsNil = errors.New("input function for system smart contract is nil")

ErrInputFunctionIsNil signals that input function is nil for system smart contract

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var ErrInputRecipientAddrIsNil = errors.New("input recipient address for system smart contract is nil")

ErrInputRecipientAddrIsNil signals that input recipient address for system smart contract is nil

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var ErrInternalErrorWhileSettingNewOwner = errors.New("internal error when setting new contract owner")

ErrInternalErrorWhileSettingNewOwner signals that an error occurred when setting the new contract owner

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var ErrInvalidAddress = errors.New("invalid address")

ErrInvalidAddress signals that invalid address has been provided

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var ErrInvalidArgument = errors.New("invalid argument")

ErrInvalidArgument signals that invalid argument has been provided

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var ErrInvalidBLSKeys = errors.New("invalid bls keys")

ErrInvalidBLSKeys signals that invalid bls keys has been provided

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var ErrInvalidBaseIssuingCost = errors.New("invalid base issuing cost")

ErrInvalidBaseIssuingCost signals that invalid base issuing cost has been provided

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var ErrInvalidCaller = errors.New("the function was called by a not authorized user")

ErrInvalidCaller signals that the functions was called by a not authorized user

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var ErrInvalidDelegationSCConfig = errors.New("invalid delegation sc config")

ErrInvalidDelegationSCConfig signals that invalid delegation sc config has been provided

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var ErrInvalidEndOfEpochAccessAddress = errors.New("invalid end of epoch access address")

ErrInvalidEndOfEpochAccessAddress signals that end of epoch access address is invalid

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var ErrInvalidGenesisTotalSupply = errors.New("invalid genesis total supply cost")

ErrInvalidGenesisTotalSupply signals that provided genesis total supply is invalid

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var ErrInvalidJailAccessAddress = errors.New("invalid jailing access address")

ErrInvalidJailAccessAddress signals that invalid jailing access address was provided

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var ErrInvalidMaxNumberOfNodes = errors.New("invalid number of max number of nodes")

ErrInvalidMaxNumberOfNodes signals that invalid number of max number of nodes has been provided

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var ErrInvalidMinCreationDeposit = errors.New("invalid min creation deposit")

ErrInvalidMinCreationDeposit signals that invalid min creation deposit has been provided

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var ErrInvalidMinStakeValue = errors.New("invalid min stake value")

ErrInvalidMinStakeValue signals that an invalid min stake value was provided

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var ErrInvalidMinStepValue = errors.New("invalid min step value")

ErrInvalidMinStepValue signals that an invalid min step value was provided

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var ErrInvalidMinUnstakeTokensValue = errors.New("invalid min unstake tokens value")

ErrInvalidMinUnstakeTokensValue signals that an invalid min unstake tokens value was provided

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var ErrInvalidNodePrice = errors.New("invalid node price")

ErrInvalidNodePrice signals that an invalid node price was provided

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var ErrInvalidNumOfArguments = errors.New("invalid number of arguments")

ErrInvalidNumOfArguments signals that invalid number of arguments has been provided

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var ErrInvalidNumberOfDecimals = errors.New("invalid number of decimals")

ErrInvalidNumberOfDecimals signals that an invalid number of decimals has been provided

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var ErrInvalidStakingAccessAddress = errors.New("invalid staking access address")

ErrInvalidStakingAccessAddress signals that invalid staking access address was provided

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var ErrInvalidStartEndVoteEpoch = errors.New("invalid start/end vote epoch")

ErrInvalidStartEndVoteEpoch signals that invalid arguments where passed for start or end vote epoch

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var ErrInvalidUnJailCost = errors.New("invalid unjail cost")

ErrInvalidUnJailCost signals that provided unjail cost is invalid

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var ErrInvalidWaitingList = errors.New("invalid waiting list")

ErrInvalidWaitingList signals that waiting list is invalid

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var ErrKeyAlreadyRegistered = errors.New("bls key already registered")

ErrKeyAlreadyRegistered signals that bls key is already registered

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var ErrNFTCreateRoleAlreadyExists = errors.New("NFT create role already exists")

ErrNFTCreateRoleAlreadyExists signals that NFT create role already exists

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var ErrNegativeBleedPercentagePerRound = errors.New("negative bleed percentage per round")

ErrNegativeBleedPercentagePerRound signals that negative bleed percentage per round has been provided

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var ErrNegativeInitialStakeValue = errors.New("initial stake value is negative")

ErrNegativeInitialStakeValue signals that a negative initial stake value was provided

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var ErrNegativeMaximumPercentageToBleed = errors.New("negative maximum percentage to bleed")

ErrNegativeMaximumPercentageToBleed signals that negative maximum percentage to bleed has been provided

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var ErrNegativeOrZeroInitialSupply = errors.New("negative initial supply was provided")

ErrNegativeOrZeroInitialSupply signals that negative initial supply has been provided

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var ErrNilAddressPubKeyConverter = errors.New("nil address public key converter")

ErrNilAddressPubKeyConverter signals that the provided public key converter is nil

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var ErrNilArgumentsParser = errors.New("nil arguments parser")

ErrNilArgumentsParser signals that arguments parses is nil

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var ErrNilBlockchainHook = errors.New("blockchain hook is nil")

ErrNilBlockchainHook signals that blockchain hook is nil

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var ErrNilChanceComputer = errors.New("nil chance computer")

ErrNilChanceComputer signals that nil chance computer has been provided

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var ErrNilCryptoHook = errors.New("crypto hook is nil")

ErrNilCryptoHook signals that crypto hook is nil

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var ErrNilEconomicsData = errors.New("nil economics data")

ErrNilEconomicsData signals that nil economics data has been provided

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var ErrNilEnableEpochsHandler = errors.New("nil enable epochs handler")

ErrNilEnableEpochsHandler signals that a nil enable epochs handler has been provided

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var ErrNilEndOfEpochSmartContractAddress = errors.New("nil end of epoch smart contract address")

ErrNilEndOfEpochSmartContractAddress signals that the end of epoch smart contract address is nil

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var ErrNilGasSchedule = errors.New("nil gas schedule")

ErrNilGasSchedule signals that nil gas schedule has been provided

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var ErrNilHasher = errors.New("nil Hasher")

ErrNilHasher signals that an operation has been attempted to or with a nil hasher implementation

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var ErrNilKeyGenerator = errors.New("nil key generator")

ErrNilKeyGenerator signals that key generator is nil

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var ErrNilMarshalizer = errors.New("nil Marshalizer")

ErrNilMarshalizer signals that an operation has been attempted to or with a nil Marshalizer implementation

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var ErrNilMessageSignVerifier = errors.New("nil message sign verifier")

ErrNilMessageSignVerifier signals that message sign verifier is nil

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var ErrNilNodesConfigProvider = errors.New("nil nodes config provider")

ErrNilNodesConfigProvider signals that an operation has been attempted to or with a nil nodes config provider

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var ErrNilOrEmptyKey = errors.New("nil or empty key")

ErrNilOrEmptyKey signals that key is nil or empty

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var ErrNilPublicKey = errors.New("nil public key")

ErrNilPublicKey signals that nil public key has been provided

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var ErrNilShardCoordinator = errors.New("nil shard coordinator")

ErrNilShardCoordinator signals that a nil shard coordinator was provided

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var ErrNilSingleSigner = errors.New("nil single signer")

ErrNilSingleSigner signals that the single signer is nil

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var ErrNilStakingSmartContractAddress = errors.New("nil staking smart contract address")

ErrNilStakingSmartContractAddress signals that staking smart contract address is nil

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var ErrNilSystemContractsContainer = errors.New("system contract container is nil")

ErrNilSystemContractsContainer signals that the provided system contract container is nil

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var ErrNilSystemEnvironmentInterface = errors.New("system environment interface is nil")

ErrNilSystemEnvironmentInterface signals that a nil system environment interface was provided

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var ErrNilSystemSCConfig = errors.New("nil system sc config")

ErrNilSystemSCConfig signals that nil system sc config was provided

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var ErrNilUserAccountsDB = errors.New("nil user accounts DB")

ErrNilUserAccountsDB signals that nil user accounts DB was provided

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var ErrNilVMType = errors.New("vm type is nil")

ErrNilVMType signals that the provided vm type is nil

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var ErrNilValidatorAccountsDB = errors.New("nil validator accounts DB")

ErrNilValidatorAccountsDB signals that nil validator accounts DB was provided

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var ErrNilValidatorSmartContractAddress = errors.New("nil validator smart contract address")

ErrNilValidatorSmartContractAddress signals that validator smart contract address is nil

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var ErrNoTickerWithGivenName = errors.New("no ticker with given name")

ErrNoTickerWithGivenName signals that ticker does not exist with given name

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var ErrNotEnoughArgumentsToStake = errors.New("not enough arguments to stake")

ErrNotEnoughArgumentsToStake signals that the arguments provided are not enough

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var ErrNotEnoughGas = errors.New("not enough gas")

ErrNotEnoughGas signals that there is not enough gas for execution

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var ErrNotEnoughInitialOwnerFunds = errors.New("not enough initial owner funds")

ErrNotEnoughInitialOwnerFunds signals that not enough initial owner funds has been provided

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var ErrNotEnoughStakeToVote = errors.New("not enough stake/delegate to vote")

ErrNotEnoughStakeToVote signals that the stake/delegation is not enough to vote

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var ErrNotEnoughVotingPower = errors.New("not enough voting power to cast this vote")

ErrNotEnoughVotingPower signals that there is not enough voting power to cast the vote

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var ErrOwnerCannotUnDelegate = errors.New("owner cannot undelegate, contract still active")

ErrOwnerCannotUnDelegate signals that owner cannot undelegate as contract is still active

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var ErrProposalNotFound = errors.New("proposal was not found in storage")

ErrProposalNotFound signals that the storage is empty for given key

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var ErrRedelegateValueBelowMinimum = errors.New("can not re-delegate as the remaining value will be below the minimum required")

ErrRedelegateValueBelowMinimum signals that the re-delegate added to the remaining value will be below the minimum required

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var ErrTickerNameNotValid = errors.New("ticker name is not valid")

ErrTickerNameNotValid signals that ticker name is not valid

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var ErrTokenNameNotHumanReadable = errors.New("token name is not human readable")

ErrTokenNameNotHumanReadable signals that token name is not human-readable

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var ErrUnknownSystemSmartContract = errors.New("missing system smart contract on selected address")

ErrUnknownSystemSmartContract signals that there is no system smart contract on the provided address

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var ErrVotedForAnExpiredProposal = errors.New("voting period is over for this proposal")

ErrVotedForAnExpiredProposal signals that voting was done for an expired proposal

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var ErrVotingNotStartedForProposal = errors.New("voting has not yet started for this proposal")

ErrVotingNotStartedForProposal signals that voting was done for a proposal that not begins yet

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var ErrWrongNewOwnerAddress = errors.New("wrong new owner address")

ErrWrongNewOwnerAddress signals that a wrong new owner address was provided

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var ErrWrongRewardAddress = errors.New("wrong reward address")

ErrWrongRewardAddress signals that a wrong reward address was provided

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var ErrWrongTypeAssertion = errors.New("wrong type assertion")

ErrWrongTypeAssertion signals that a wrong type assertion occurred.

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var FirstDelegationSCAddress = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 255, 255, 255}

FirstDelegationSCAddress is the hard-coded address for the first delegation contract, the other will follow

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var GovernanceSCAddress = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 255, 255}

GovernanceSCAddress is the hard-coded address for governance smart contract

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var JailingAddress = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}

JailingAddress is the hard-coded address which can call jail function

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var StakingSCAddress = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255}

StakingSCAddress is the hard-coded address for smart contracts

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var ValidatorSCAddress = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 255, 255}

ValidatorSCAddress is the hard-coded address for validator smart contract

Functions

This section is empty.

Types

type ArgumentsParser

type ArgumentsParser interface {
	ParseData(data string) (string, [][]byte, error)
	IsInterfaceNil() bool
}

ArgumentsParser defines the functionality to parse transaction data into arguments and code for smart contracts

type BaseOperationCost

type BaseOperationCost struct {
	StorePerByte      uint64
	ReleasePerByte    uint64
	DataCopyPerByte   uint64
	PersistPerByte    uint64
	CompilePerByte    uint64
	AoTPreparePerByte uint64
	GetCode           uint64
}

BaseOperationCost defines cost for base operation cost

type BlockchainHook

type BlockchainHook interface {
	GetStorageData(accountAddress []byte, index []byte) ([]byte, uint32, error)
	CurrentNonce() uint64
	CurrentRound() uint64
	CurrentEpoch() uint32
	GetUserAccount(address []byte) (vmcommon.UserAccountHandler, error)
	GetCode(account vmcommon.UserAccountHandler) []byte
	GetShardOfAddress(address []byte) uint32
	IsSmartContract(address []byte) bool
	IsPayable(sndAddress []byte, recvAddress []byte) (bool, error)
	NumberOfShards() uint32
	CurrentRandomSeed() []byte
	Close() error
	GetSnapshot() int
	RevertToSnapshot(snapshot int) error
	IsBuiltinFunctionName(functionName string) bool
}

BlockchainHook is the interface for VM blockchain callbacks

type BuiltInCost

type BuiltInCost struct {
	ChangeOwnerAddress       uint64
	ClaimDeveloperRewards    uint64
	SaveUserName             uint64
	SaveKeyValue             uint64
	ESDTTransfer             uint64
	ESDTBurn                 uint64
	ESDTLocalMint            uint64
	ESDTLocalBurn            uint64
	ESDTNFTCreate            uint64
	ESDTNFTAddQuantity       uint64
	ESDTNFTBurn              uint64
	ESDTNFTTransfer          uint64
	ESDTNFTChangeCreateOwner uint64
	ESDTNFTAddUri            uint64
	ESDTNFTUpdateAttributes  uint64
	ESDTNFTMultiTransfer     uint64
	TrieLoadPerNode          uint64
	TrieStorePerNode         uint64
}

BuiltInCost defines cost for built-in methods

type ContextHandler

type ContextHandler interface {
	SystemEI

	GetContract(address []byte) (SystemSmartContract, error)
	SetSystemSCContainer(scContainer SystemSCContainer) error
	CreateVMOutput() *vmcommon.VMOutput
	CleanCache()
	SetSCAddress(addr []byte)
	AddCode(addr []byte, code []byte)
	AddTxValueToSmartContract(value *big.Int, scAddress []byte)
	SetGasProvided(gasProvided uint64)
	GetReturnMessage() string
}

ContextHandler defines the methods needed to execute system smart contracts

type EconomicsHandler

type EconomicsHandler interface {
	GenesisTotalSupply() *big.Int
	IsInterfaceNil() bool
}

EconomicsHandler defines the methods to get data from the economics component

type EpochNotifier

type EpochNotifier interface {
	RegisterNotifyHandler(handler vmcommon.EpochSubscriberHandler)
	CurrentEpoch() uint32
	CheckEpoch(header data.HeaderHandler)
	IsInterfaceNil() bool
}

EpochNotifier can notify upon an epoch change and provide the current epoch

type GasCost

type GasCost struct {
	BaseOperationCost      BaseOperationCost
	MetaChainSystemSCsCost MetaChainSystemSCsCost
	BuiltInCost            BuiltInCost
}

GasCost holds all the needed gas costs for system smart contracts

type MessageSignVerifier

type MessageSignVerifier interface {
	Verify(message []byte, signedMessage []byte, pubKey []byte) error
	IsInterfaceNil() bool
}

MessageSignVerifier is used to verify if message was signed with given public key

type MetaChainSystemSCsCost

type MetaChainSystemSCsCost struct {
	Stake                 uint64
	UnStake               uint64
	UnBond                uint64
	Claim                 uint64
	Get                   uint64
	ChangeRewardAddress   uint64
	ChangeValidatorKeys   uint64
	UnJail                uint64
	ESDTIssue             uint64
	ESDTOperations        uint64
	Proposal              uint64
	Vote                  uint64
	DelegateVote          uint64
	RevokeVote            uint64
	CloseProposal         uint64
	DelegationOps         uint64
	UnStakeTokens         uint64
	UnBondTokens          uint64
	DelegationMgrOps      uint64
	ValidatorToDelegation uint64
	GetAllNodeStates      uint64
	GetActiveFund         uint64
	FixWaitingListSize    uint64
}

MetaChainSystemSCsCost defines the cost of system staking SCs methods

type NodesConfigProvider

type NodesConfigProvider interface {
	MinNumberOfNodes() uint32
	MinNumberOfNodesWithHysteresis() uint32
	IsInterfaceNil() bool
}

NodesConfigProvider defines the functionality which is needed for nodes config in system smart contracts

type SystemEI

type SystemEI interface {
	ExecuteOnDestContext(destination []byte, sender []byte, value *big.Int, input []byte) (*vmcommon.VMOutput, error)
	DeploySystemSC(baseContract []byte, newAddress []byte, ownerAddress []byte, initFunction string, value *big.Int, input [][]byte) (vmcommon.ReturnCode, error)
	Transfer(destination []byte, sender []byte, value *big.Int, input []byte, gasLimit uint64) error
	SendGlobalSettingToAll(sender []byte, input []byte)
	GetBalance(addr []byte) *big.Int
	SetStorage(key []byte, value []byte)
	SetStorageForAddress(address []byte, key []byte, value []byte)
	AddReturnMessage(msg string)
	AddLogEntry(entry *vmcommon.LogEntry)
	GetStorage(key []byte) []byte
	GetStorageFromAddress(address []byte, key []byte) []byte
	Finish(value []byte)
	UseGas(gasToConsume uint64) error
	GasLeft() uint64
	BlockChainHook() BlockchainHook
	CryptoHook() vmcommon.CryptoHook
	IsValidator(blsKey []byte) bool
	StatusFromValidatorStatistics(blsKey []byte) string
	CanUnJail(blsKey []byte) bool
	IsBadRating(blsKey []byte) bool
	CleanStorageUpdates()
	GetTotalSentToUser(dest []byte) *big.Int
	GetLogs() []*vmcommon.LogEntry
	SetOwnerOperatingOnAccount(newOwner []byte) error
	UpdateCodeDeployerAddress(scAddress string, newOwner []byte) error

	IsInterfaceNil() bool
}

SystemEI defines the environment interface system smart contract can use

type SystemSCContainer

type SystemSCContainer interface {
	Get(key []byte) (SystemSmartContract, error)
	Add(key []byte, val SystemSmartContract) error
	Replace(key []byte, val SystemSmartContract) error
	Remove(key []byte)
	Len() int
	Keys() [][]byte
	IsInterfaceNil() bool
}

SystemSCContainer defines a system smart contract holder data type with basic functionality

type SystemSCContainerFactory

type SystemSCContainerFactory interface {
	CreateForGenesis() (SystemSCContainer, error)
	Create() (SystemSCContainer, error)
	IsInterfaceNil() bool
}

SystemSCContainerFactory defines the functionality to create a system smart contract container

type SystemSmartContract

type SystemSmartContract interface {
	Execute(args *vmcommon.ContractCallInput) vmcommon.ReturnCode
	CanUseContract() bool
	SetNewGasCost(gasCost GasCost)
	IsInterfaceNil() bool
}

SystemSmartContract interface defines the function a system smart contract should have

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