process

package
v1.1.55 Latest Latest
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Published: May 7, 2021 License: GPL-3.0 Imports: 34 Imported by: 0

Documentation

Index

Constants

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const BlockFinality = 1

BlockFinality defines the block finality which is used in meta-chain/shards (the real finality in shards is given by meta-chain)

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const EpochChangeGracePeriod = 1

EpochChangeGracePeriod defines the allowed round numbers till the shard has to change the epoch

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const MaxGasFeeHigherFactorAccepted = 10

MaxGasFeeHigherFactorAccepted defines the maximum higher factor of gas fee put inside a transaction compared with the real gas used, after which the transaction will be considered an attack and all the gas will be consumed and nothing will be refunded to the sender

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const MaxHeaderRequestsAllowed = 20

MaxHeaderRequestsAllowed defines the maximum number of missing cross-shard headers (gaps) which could be requested in one round, when node processes a received block

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const MaxHeadersToRequestInAdvance = 20

MaxHeadersToRequestInAdvance defines the maximum number of headers which will be requested in advance, if they are missing

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const MaxHeadersToWhitelistInAdvance = 300

MaxHeadersToWhitelistInAdvance defines the maximum number of headers whose miniblocks will be whitelisted in advance

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const MaxMetaHeadersAllowedInOneShardBlock = 50

MaxMetaHeadersAllowedInOneShardBlock defines the maximum number of meta headers allowed to be included in one shard block

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const MaxMetaNoncesBehind = 15

MaxMetaNoncesBehind defines the maximum difference between the current meta block nonce and the processed meta block nonce before a shard is considered stuck

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const MaxNumOfTxsToSelect = 30000

MaxNumOfTxsToSelect defines the maximum number of transactions that should be selected from the cache

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const MaxNumPendingMiniBlocksPerShard = 10

MaxNumPendingMiniBlocksPerShard defines the maximum number of pending miniblocks per shard, after which a shard could be considered stuck if this value multiplied by the number of shards is reached

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const MaxRoundsToKeepUnprocessedMiniBlocks = 100

MaxRoundsToKeepUnprocessedMiniBlocks defines the maximum number of rounds for which unprocessed miniblocks are kept in pool

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const MaxRoundsToKeepUnprocessedTransactions = 100

MaxRoundsToKeepUnprocessedTransactions defines the maximum number of rounds for which unprocessed transactions are kept in pool

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const MaxRoundsWithoutCommittedBlock = 10

MaxRoundsWithoutCommittedBlock defines the maximum rounds to wait for a new block to be committed, before a special action to be applied

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const MaxRoundsWithoutNewBlockReceived = 10

MaxRoundsWithoutNewBlockReceived defines the maximum number of rounds to wait for a new block to be received, before a special action to be applied

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const MaxShardHeadersAllowedInOneMetaBlock = 60

MaxShardHeadersAllowedInOneMetaBlock defines the maximum number of shard headers allowed to be included in one meta block

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const MaxShardNoncesBehind = 15

MaxShardNoncesBehind defines the maximum difference between the current shard block nonce and the last notarized shard block nonce by meta, before meta is considered stuck

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const MaxSyncWithErrorsAllowed = 10

MaxSyncWithErrorsAllowed defines the maximum allowed number of sync with errors, before a special action to be applied

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const MetaBlockValidity = 1

MetaBlockValidity defines the block validity which is when checking a metablock

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const MinForkRound = uint64(0)

MinForkRound represents the minimum fork round set by a notarized header received

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const MinShardHeadersFromSameShardInOneMetaBlock = 10

MinShardHeadersFromSameShardInOneMetaBlock defines the minimum number of shard headers from the same shard, which would be included in one meta block if they are available

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const NonceDifferenceWhenSynced = 0

NonceDifferenceWhenSynced defines the difference between probable highest nonce seen from network and node's last committed block nonce, after which, node is considered himself not synced

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const NumTxPerSenderBatchForFillingMiniblock = 10

NumTxPerSenderBatchForFillingMiniblock defines the number of transactions to be drawn from the transactions pool, for a specific sender, in a single pass. Drawing transactions for a miniblock happens in multiple passes, until "MaxItemsInBlock" are drawn.

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const RoundModulusTrigger = 5

RoundModulusTrigger defines a round modulus on which a trigger for an action will be released

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const RoundModulusTriggerWhenSyncIsStuck = 20

RoundModulusTriggerWhenSyncIsStuck defines a round modulus on which a trigger for an action when sync is stuck will be released

Variables

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var ErrAccountNotFound = errors.New("account not found")

ErrAccountNotFound signals that the account was not found for the provided address

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var ErrAccountNotPayable = errors.New("sending value to non payable contract")

ErrAccountNotPayable will be sent when trying to send money to a non-payable account

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var ErrAccountStateDirty = errors.New("accountState was dirty before starting to change")

ErrAccountStateDirty signals that the accounts were modified before starting the current modification

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var ErrAccumulatedFeesDoNotMatch = errors.New("accumulated fees do not match")

ErrAccumulatedFeesDoNotMatch signals that accumulated fees do not match

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var ErrAccumulatedFeesInEpochDoNotMatch = errors.New("accumulated fees in epoch do not match")

ErrAccumulatedFeesInEpochDoNotMatch signals that accumulated fees in epoch do not match

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var ErrActionNotAllowed = errors.New("action is not allowed")

ErrActionNotAllowed signals that action is not allowed

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var ErrAddressIsNotESDTSystemSC = errors.New("destination is not system sc address")

ErrAddressIsNotESDTSystemSC signals that destination is not a system sc address

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var ErrBlockBodyHashMismatch = errors.New("block bodies does not match")

ErrBlockBodyHashMismatch signals that block body hashes does not match

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var ErrBlockHashDoesNotMatch = errors.New("block hash does not match")

ErrBlockHashDoesNotMatch signals that header hash does not match with the previous one

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var ErrBlockProposerSignatureMissing = errors.New("block proposer signature is missing")

ErrBlockProposerSignatureMissing signals that block proposer signature is missing from the block aggregated sig

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var ErrBuiltInFunctionCalledWithValue = errors.New("built in function called with tx value is not allowed")

ErrBuiltInFunctionCalledWithValue signals that builtin function was called with value that is not allowed

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var ErrBuiltInFunctionsAreDisabled = errors.New("built in functions are disabled")

ErrBuiltInFunctionsAreDisabled signals that built in functions are disabled

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var ErrCallerIsNotTheDNSAddress = errors.New("not a dns address")

ErrCallerIsNotTheDNSAddress signals that called address is not the DNS address

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var ErrCannotWipeAccountNotFrozen = errors.New("cannot wipe because the account is not frozen for this esdt token")

ErrCannotWipeAccountNotFrozen signals that account isn't frozen so the wipe is not possible

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var ErrConsecutiveMissedBlocksPenaltyLowerThanOne = errors.New("consecutive missed blocks penalty lower than 1")

ErrConsecutiveMissedBlocksPenaltyLowerThanOne signals that the ConsecutiveMissedBlocksPenalty is lower than 1

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var ErrContainerKeyAlreadyExists = errors.New("provided key already exists in container")

ErrContainerKeyAlreadyExists signals that an element was already set in the container's map

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var ErrCrossShardMBWithoutConfirmationFromMeta = errors.New("cross shard miniblock with destination current shard is not confirmed by metachain")

ErrCrossShardMBWithoutConfirmationFromMeta signals that miniblock was not yet notarized by metachain

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var ErrDecreaseRatingsStepMoreThanMinusOne = errors.New("decrease rating step has a value greater than -1")

ErrDecreaseRatingsStepMoreThanMinusOne signals that the decrease rating step has a vale greater than -1

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var ErrDevFeesInEpochDoNotMatch = errors.New("developer fees in epoch do not match")

ErrDevFeesInEpochDoNotMatch signals that developer fees in epoch do not match

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var ErrDeveloperFeesDoNotMatch = errors.New("developer fees do not match")

ErrDeveloperFeesDoNotMatch signals that developer fees do not match

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var ErrDuplicateThreshold = errors.New("two thresholds are the same")

ErrDuplicateThreshold signals that two thresholds are the same

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var ErrESDTIsFrozenForAccount = errors.New("account is frozen for this esdt token")

ErrESDTIsFrozenForAccount signals that account is frozen for given esdt token

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var ErrESDTTokenIsPaused = errors.New("esdt token is paused")

ErrESDTTokenIsPaused signals that esdt token is paused

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var ErrEmptyConsensusGroup = errors.New("consensusGroup is empty")

ErrEmptyConsensusGroup is raised when an operation is attempted with an empty consensus group

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var ErrEmptyFloodPreventerList = errors.New("empty flood preventer provided")

ErrEmptyFloodPreventerList signals that an empty flood preventer list has been provided

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var ErrEmptyFunctionName = errors.New("empty function name")

ErrEmptyFunctionName signals that an empty function name has been provided

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var ErrEmptyPeerID = errors.New("empty peer ID")

ErrEmptyPeerID signals that an empty peer ID has been provided

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var ErrEmptyTopic = errors.New("empty topic")

ErrEmptyTopic signals that an empty topic has been provided

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var ErrEpochDoesNotMatch = errors.New("epoch does not match")

ErrEpochDoesNotMatch signals that epoch does not match between headers

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var ErrEpochStartDataDoesNotMatch = errors.New("epoch start data does not match")

ErrEpochStartDataDoesNotMatch signals that EpochStartData is not the same as the leader created

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var ErrFailedTransaction = errors.New("failed transaction, gas consumed")

ErrFailedTransaction signals that transaction is of type failed.

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var ErrGettingShardDataFromEpochStartData = errors.New("could not find shard data from previous epoch start metablock")

ErrGettingShardDataFromEpochStartData signals that could not get shard data from previous epoch start block

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var ErrHeaderBodyMismatch = errors.New("body cannot be validated from header data")

ErrHeaderBodyMismatch signals that the header does not attest all data from the block

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var ErrHeaderIsBlackListed = errors.New("header is black listed")

ErrHeaderIsBlackListed signals that the header provided is black listed

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var ErrHeaderNotFinal = errors.New("header in metablock is not final")

ErrHeaderNotFinal signals that header is not final and it should be

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var ErrHeaderShardDataMismatch = errors.New("shard header does not match shard info")

ErrHeaderShardDataMismatch signals that shard header does not match created shard info

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var ErrHigherNonceInBlock = errors.New("higher nonce in block")

ErrHigherNonceInBlock signals that a block with higher nonce than permitted has been provided

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var ErrHigherNonceInTransaction = errors.New("higher nonce in transaction")

ErrHigherNonceInTransaction signals the nonce in transaction is higher than the account's nonce

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var ErrHigherRoundInBlock = errors.New("higher round in block")

ErrHigherRoundInBlock signals that a block with higher round than permitted has been provided

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var ErrHoursToMaxRatingFromStartRatingZero = errors.New("hours to reach max rating is zero")

ErrHoursToMaxRatingFromStartRatingZero signals that the number of hours to reach max rating step is zero

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var ErrIncreaseStepLowerThanOne = errors.New("increase step is lower than one")

ErrIncreaseStepLowerThanOne signals that an increase step lower than one has been provided

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var ErrInsufficientFee = errors.New("insufficient balance for fees")

ErrInsufficientFee signals that the current balance doesn't have the required transaction fee

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var ErrInsufficientFunds = errors.New("insufficient funds")

ErrInsufficientFunds signals the funds are insufficient for the move balance operation but the transaction fee is covered by the current balance

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var ErrInsufficientGasLimitInTx = errors.New("insufficient gas limit in tx")

ErrInsufficientGasLimitInTx signals that a lower gas limit than required was provided

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var ErrInsufficientGasPriceInTx = errors.New("insufficient gas price in tx")

ErrInsufficientGasPriceInTx signals that a lower gas price than required was provided

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var ErrInterceptedDataNotForCurrentShard = errors.New("intercepted data not for current shard")

ErrInterceptedDataNotForCurrentShard signals that intercepted data is not for current shard

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var ErrInvalidAddressLength = errors.New("invalid address length")

ErrInvalidAddressLength signals that address length is invalid

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var ErrInvalidArguments = errors.New("invalid arguments to process built-in function")

ErrInvalidArguments signals that invalid arguments were given to process built-in function

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var ErrInvalidBadPeerThreshold = errors.New("invalid bad peer threshold")

ErrInvalidBadPeerThreshold signals that an invalid bad peer threshold has been provided

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var ErrInvalidBlockRequestOldEpoch = errors.New("invalid block request from old epoch")

ErrInvalidBlockRequestOldEpoch signals that invalid block was requested from old epoch

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var ErrInvalidBody = errors.New("invalid body")

ErrInvalidBody signals that an invalid body has been provided

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var ErrInvalidCacheRefreshIntervalInSec = errors.New("invalid cacheRefreshIntervalInSec")

ErrInvalidCacheRefreshIntervalInSec signals that the cacheRefreshIntervalInSec is invalid - zero or less

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var ErrInvalidChainID = errors.New("invalid chain ID")

ErrInvalidChainID signals that an invalid chain ID has been provided

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var ErrInvalidContainerKey = errors.New("element does not exist in container")

ErrInvalidContainerKey signals that an element does not exist in the container's map

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var ErrInvalidDecayCoefficient = errors.New("decay coefficient is invalid")

ErrInvalidDecayCoefficient signals that the provided decay coefficient is invalid

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var ErrInvalidDecayIntervalInSeconds = errors.New("invalid decay interval in seconds")

ErrInvalidDecayIntervalInSeconds signals that an invalid interval in seconds was provided

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var ErrInvalidGasModifier = errors.New("invalid gas modifier")

ErrInvalidGasModifier signals that provided gas modifier is invalid

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var ErrInvalidGasPerDataByte = errors.New("invalid gas per data byte")

ErrInvalidGasPerDataByte signals that an invalid gas per data byte has been read from config file

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

ErrInvalidGenesisTotalSupply signals that invalid genesis total supply was provided

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var ErrInvalidInflationPercentages = errors.New("invalid inflation percentages")

ErrInvalidInflationPercentages signals that inflation percentages are not correct

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var ErrInvalidMaxGasLimitPerBlock = errors.New("invalid max gas limit per block")

ErrInvalidMaxGasLimitPerBlock signals that an invalid max gas limit per block has been read from config file

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var ErrInvalidMaxScore = errors.New("invalid maximum score")

ErrInvalidMaxScore signals that an invalid maximum score was provided

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var ErrInvalidMetaHeader = errors.New("invalid header provided, expected MetaBlock")

ErrInvalidMetaHeader signals that a wrong implementation of HeaderHandler was provided

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var ErrInvalidMetaTransaction = errors.New("meta transaction is invalid")

ErrInvalidMetaTransaction signals that meta transaction is invalid

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var ErrInvalidMinScore = errors.New("invalid minimum score")

ErrInvalidMinScore signals that an invalid minimum score was provided

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var ErrInvalidMiniBlockType = errors.New("invalid miniblock type")

ErrInvalidMiniBlockType signals that an invalid miniblock type has been provided

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var ErrInvalidMinimumGasLimitForTx = errors.New("invalid minimum gas limit for transactions")

ErrInvalidMinimumGasLimitForTx signals that an invalid minimum gas limit for transactions has been read from config file

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var ErrInvalidMinimumGasPrice = errors.New("invalid minimum gas price")

ErrInvalidMinimumGasPrice signals that an invalid gas price has been read from config file

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var ErrInvalidNFTQuantity = errors.New("invalid NFT quantity")

ErrInvalidNFTQuantity signals that invalid NFT quantity was provided

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var ErrInvalidNonceRequest = errors.New("invalid nonce request")

ErrInvalidNonceRequest signals that invalid nonce was requested

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var ErrInvalidPeerAccount = errors.New("invalid peer account")

ErrInvalidPeerAccount signals that a peer account is invalid

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var ErrInvalidRcvAddr = errors.New("invalid receiver address")

ErrInvalidRcvAddr signals that an invalid receiver address was provided

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var ErrInvalidRewardsPercentages = errors.New("invalid rewards percentages")

ErrInvalidRewardsPercentages signals that rewards percentages are not correct

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var ErrInvalidRewardsTopUpGradientPoint = errors.New("rewards top up gradient point is invalid")

ErrInvalidRewardsTopUpGradientPoint signals that the top up gradient point is invalid

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var ErrInvalidShardCacherIdentifier = errors.New("invalid identifier for shard cacher")

ErrInvalidShardCacherIdentifier signals an invalid identifier

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var ErrInvalidShardId = errors.New("invalid shard id")

ErrInvalidShardId signals that the shard id is invalid

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var ErrInvalidSndAddr = errors.New("invalid sender address")

ErrInvalidSndAddr signals that an invalid sender address was provided

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var ErrInvalidTransactionVersion = errors.New("invalid transaction version")

ErrInvalidTransactionVersion signals that an invalid transaction version has been provided

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var ErrInvalidTxInPool = errors.New("invalid transaction in the transactions pool")

ErrInvalidTxInPool signals an invalid transaction in the transactions pool

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var ErrInvalidUnitValue = errors.New("invalid unit value")

ErrInvalidUnitValue signals that an invalid unit value was provided

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var ErrInvalidUserNameLength = errors.New("invalid user name length")

ErrInvalidUserNameLength signals that provided user name length is invalid

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var ErrInvalidVMInputGasComputation = errors.New("invalid vm input gas computation")

ErrInvalidVMInputGasComputation signals that invalid vm input gas computation was provided

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var ErrInvalidVMType = errors.New("invalid VM type")

ErrInvalidVMType signals that invalid vm type was provided

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var ErrInvalidValue = errors.New("invalid value provided")

ErrInvalidValue signals that an invalid value was provided

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var ErrLenMismatch = errors.New("lengths mismatch")

ErrLenMismatch signals that 2 or more slices have different lengths

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var ErrLogNotFound = errors.New("no logs for queried transaction")

ErrLogNotFound is the error returned when a transaction has no logs

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var ErrLowerNonceInBlock = errors.New("lower nonce in block")

ErrLowerNonceInBlock signals that a block with lower nonce than permitted has been provided

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var ErrLowerNonceInTransaction = errors.New("lower nonce in transaction")

ErrLowerNonceInTransaction signals the nonce in transaction is lower than the account's nonce

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var ErrLowerRoundInBlock = errors.New("header round is lower than last committed")

ErrLowerRoundInBlock signals that a header round is too low for processing it

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var ErrMarshalWithoutSuccess = errors.New("marshal without success")

ErrMarshalWithoutSuccess signals that marshal some data was not done with success

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var ErrMaxAccumulatedFeesExceeded = errors.New("max accumulated fees has been exceeded")

ErrMaxAccumulatedFeesExceeded signals that max accumulated fees has been exceeded

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var ErrMaxBlockSizeReached = errors.New("max block size has been reached")

ErrMaxBlockSizeReached signals that max block size has been reached

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var ErrMaxDeveloperFeesExceeded = errors.New("max developer fees has been exceeded")

ErrMaxDeveloperFeesExceeded signals that max developer fees has been exceeded

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var ErrMaxGasLimitPerBlockInSelfShardIsReached = errors.New("max gas limit per block in self shard is reached")

ErrMaxGasLimitPerBlockInSelfShardIsReached signals that max gas limit per block in self shard has been reached

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var ErrMaxGasLimitPerMiniBlockInReceiverShardIsReached = errors.New("max gas limit per mini block in receiver shard is reached")

ErrMaxGasLimitPerMiniBlockInReceiverShardIsReached signals that max gas limit per mini block in receiver shard has been reached

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var ErrMaxGasLimitPerMiniBlockInSenderShardIsReached = errors.New("max gas limit per mini block in sender shard is reached")

ErrMaxGasLimitPerMiniBlockInSenderShardIsReached signals that max gas limit per mini block in sender shard has been reached

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var ErrMaxRatingIsSmallerThanMinRating = errors.New("max rating is smaller than min rating")

ErrMaxRatingIsSmallerThanMinRating signals that the max rating is smaller than the min rating value

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var ErrMaxRatingZero = errors.New("max rating is zero")

ErrMaxRatingZero signals that maxrating with a value of zero has been provided

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var ErrMinRatingSmallerThanOne = errors.New("min rating is smaller than one")

ErrMinRatingSmallerThanOne signals that the min rating is smaller than the min value of 1

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var ErrMiniBlockHashMismatch = errors.New("miniblocks does not match")

ErrMiniBlockHashMismatch signals that miniblock hashes does not match

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var ErrMiniBlockNumMissMatch = errors.New("num miniblocks does not match")

ErrMiniBlockNumMissMatch signals that number of miniblocks does not match

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var ErrMiniBlocksInWrongOrder = errors.New("miniblocks in wrong order, should have been only from me")

ErrMiniBlocksInWrongOrder signals the miniblocks are in wrong order

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var ErrMissingBody = errors.New("missing body")

ErrMissingBody signals that body of the block is missing

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var ErrMissingHashForHeaderNonce = errors.New("missing hash for header nonce")

ErrMissingHashForHeaderNonce signals that hash of the block is missing

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var ErrMissingHeader = errors.New("missing header")

ErrMissingHeader signals that header of the block is missing

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var ErrMissingPreProcessor = errors.New("pre processor is missing")

ErrMissingPreProcessor signals that required pre processor is missing

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var ErrMissingTransaction = errors.New("missing transaction")

ErrMissingTransaction signals that one transaction is missing

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var ErrMoreGasConsumedThanProvided = errors.New("more gas used than provided")

ErrMoreGasConsumedThanProvided signals that VM used more gas than provided

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var ErrMoreGasThanGasLimitPerBlock = errors.New("more gas was provided than gas limit per block")

ErrMoreGasThanGasLimitPerBlock signals that more gas was provided than gas limit per block

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var ErrNFTDoesNotHaveMetadata = errors.New("NFT does not have metadata")

ErrNFTDoesNotHaveMetadata signals that NFT does not have metadata

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var ErrNFTTokenDoesNotExist = errors.New("NFT token does not exist")

ErrNFTTokenDoesNotExist signals that NFT token does not exist

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var ErrNegativeBalanceDeltaOnCrossShardAccount = errors.New("negative balance delta on cross shard account")

ErrNegativeBalanceDeltaOnCrossShardAccount signals that negative balance delta was given on cross shard account

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var ErrNegativeValue = errors.New("negative value")

ErrNegativeValue signals that a negative value has been detected and it is not allowed

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var ErrNewNFTDataOnSenderAddress = errors.New("new NFT data on sender")

ErrNewNFTDataOnSenderAddress signals that a new NFT data was found on the sender address

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var ErrNilAccountsAdapter = errors.New("nil AccountsAdapter")

ErrNilAccountsAdapter defines the error when trying to use a nil AccountsAddapter

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var ErrNilAddressContainer = errors.New("nil AddressContainer")

ErrNilAddressContainer signals that an operation has been attempted to or with a nil AddressContainer implementation

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var ErrNilAntifloodHandler = errors.New("nil antiflood handler")

ErrNilAntifloodHandler signals that a nil antiflood handler has been provided

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var ErrNilAppStatusHandler = errors.New("nil AppStatusHandler")

ErrNilAppStatusHandler defines the error for setting a nil AppStatusHandler

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var ErrNilArgsBuiltInFunctionsConstHandler = errors.New("nil arguments for built in functions cost handler")

ErrNilArgsBuiltInFunctionsConstHandler signals that a nil arguments struct for built in functions cost handler has been provided

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var ErrNilArgumentParser = errors.New("argument parser is nil")

ErrNilArgumentParser signals that the argument parser is nil

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var ErrNilArgumentStruct = errors.New("nil argument struct")

ErrNilArgumentStruct signals that a function has received nil instead of an instantiated Arg... structure

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var ErrNilBadTxHandler = errors.New("nil bad tx handler")

ErrNilBadTxHandler signals that bad tx handler is nil

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var ErrNilBalanceComputationHandler = errors.New("nil balance computation handler")

ErrNilBalanceComputationHandler signals that a nil balance computation handler has been provided

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var ErrNilBlackListCacher = errors.New("nil black list cacher")

ErrNilBlackListCacher signals that a nil black list cacher was provided

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var ErrNilBlackListedPkCache = errors.New("nil black listed public key cache")

ErrNilBlackListedPkCache signals that a nil black listed public key cache has been provided

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var ErrNilBlockBody = errors.New("nil block body")

ErrNilBlockBody signals that an operation has been attempted to or with a nil block body

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var ErrNilBlockChain = errors.New("nil block chain")

ErrNilBlockChain signals that an operation has been attempted to or with a nil blockchain

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var ErrNilBlockChainHook = errors.New("nil blockchain hook")

ErrNilBlockChainHook signals that nil blockchain hook has been provided

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var ErrNilBlockHeader = errors.New("nil block header")

ErrNilBlockHeader signals that an operation has been attempted to or with a nil block header

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var ErrNilBlockProcessor = errors.New("nil block processor")

ErrNilBlockProcessor signals that an operation has been attempted to or with a nil BlockProcessor implementation

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var ErrNilBlockSizeComputationHandler = errors.New("nil block size computation handler")

ErrNilBlockSizeComputationHandler signals that a nil block size computation handler has been provided

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var ErrNilBlockSizeThrottler = errors.New("block size throttler is nil")

ErrNilBlockSizeThrottler signals that block size throttler si nil

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var ErrNilBlockTracker = errors.New("nil block tracker")

ErrNilBlockTracker signals that a nil block tracker was provided

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var ErrNilBootStorer = errors.New("nil boot storer")

ErrNilBootStorer signals that the provided boot storer is bil

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var ErrNilBuffer = errors.New("provided byte buffer is nil")

ErrNilBuffer signals that a provided byte buffer is nil

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var ErrNilBuiltInFunction = errors.New("built in function is nil")

ErrNilBuiltInFunction signals that built in function is nil

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var ErrNilBuiltInFunctionsCostHandler = errors.New("nil built in functions cost handler")

ErrNilBuiltInFunctionsCostHandler signals that a nil built in functions cost handler has been provided

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var ErrNilCacher = errors.New("nil cacher")

ErrNilCacher signals that a nil cache has been provided

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var ErrNilContainerElement = errors.New("element cannot be nil")

ErrNilContainerElement signals when trying to add a nil element in the container

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var ErrNilDataPoolHolder = errors.New("nil data pool holder")

ErrNilDataPoolHolder signals that the data pool holder is nil

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var ErrNilDataToProcess = errors.New("nil data to process")

ErrNilDataToProcess signals that nil data was provided

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var ErrNilDebugger = errors.New("nil debug handler")

ErrNilDebugger signals that a nil debug handler has been provided

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var ErrNilDnsAddresses = errors.New("nil dns addresses map")

ErrNilDnsAddresses signals that nil dns addresses map was provided

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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 ErrNilEconomicsFeeHandler = errors.New("nil economics fee handler")

ErrNilEconomicsFeeHandler signals that fee handler is nil

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var ErrNilEpochEconomics = errors.New("nil epoch economics")

ErrNilEpochEconomics signals that nil end of epoch econimics was provided

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var ErrNilEpochHandler = errors.New("nil epoch handler")

ErrNilEpochHandler signals that a nil epoch handler was provided

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var ErrNilEpochNotifier = errors.New("nil EpochNotifier")

ErrNilEpochNotifier signals that the provided EpochNotifier is nil

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var ErrNilEpochStartDataCreator = errors.New("nil epoch start data creator")

ErrNilEpochStartDataCreator signals that nil epoch start data creator was provided

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var ErrNilEpochStartNotifier = errors.New("nil epochStartNotifier")

ErrNilEpochStartNotifier signals that the provided epochStartNotifier is nil

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var ErrNilEpochStartSystemSCProcessor = errors.New("nil epoch start system sc processor")

ErrNilEpochStartSystemSCProcessor signals that nil epoch start system sc processor was provided

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var ErrNilEpochStartTrigger = errors.New("nil start of epoch trigger")

ErrNilEpochStartTrigger signals that a nil start of epoch trigger was provided

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var ErrNilEpochStartValidatorInfoCreator = errors.New("nil epoch start validator info creator")

ErrNilEpochStartValidatorInfoCreator signals that nil epoch start validator info creator was provided

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var ErrNilFallbackHeaderValidator = errors.New("nil fallback header validator")

ErrNilFallbackHeaderValidator signals that a nil fallback header validator has been provided

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var ErrNilForkDetector = errors.New("nil fork detector")

ErrNilForkDetector signals that the fork detector is nil

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var ErrNilGasHandler = errors.New("nil gas handler")

ErrNilGasHandler signals that gas handler is nil

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var ErrNilGasSchedule = errors.New("nil GasSchedule")

ErrNilGasSchedule signals that an operation has been attempted with a nil gas schedule

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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 ErrNilHaveTimeHandler = errors.New("nil have time handler")

ErrNilHaveTimeHandler signals that a nil have time handler func was provided

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var ErrNilHdrValidator = errors.New("nil header validator")

ErrNilHdrValidator signals that a nil header validator has been provided

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var ErrNilHeaderHandler = errors.New("nil header handler")

ErrNilHeaderHandler signals that a nil header handler has been provided

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var ErrNilHeaderIntegrityVerifier = errors.New("nil header integrity verifier")

ErrNilHeaderIntegrityVerifier signals that a nil header integrity verifier has been provided

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var ErrNilHeaderSigVerifier = errors.New("nil header sig verifier")

ErrNilHeaderSigVerifier signals that a nil header sig verifier has been provided

View Source
var ErrNilHeaderValidator = errors.New("nil header validator")

ErrNilHeaderValidator signals that nil header validator has been provided

View Source
var ErrNilHeadersDataPool = errors.New("nil headers data pool")

ErrNilHeadersDataPool signals that a nil headers pool has been provided

View Source
var ErrNilHeadersNonceHashStorage = errors.New("nil headers nonce hash storage")

ErrNilHeadersNonceHashStorage signals that a nil header nonce hash storage has been provided

View Source
var ErrNilHeadersStorage = errors.New("nil headers storage")

ErrNilHeadersStorage signals that a nil header storage has been provided

View Source
var ErrNilHistoryRepository = errors.New("history repository is nil")

ErrNilHistoryRepository signals that history processor is nil

View Source
var ErrNilIndexer = errors.New("indexer is nil")

ErrNilIndexer signals that indexer is nil

View Source
var ErrNilInterceptedDataFactory = errors.New("nil intercepted data factory")

ErrNilInterceptedDataFactory signals that a nil intercepted data factory was provided

View Source
var ErrNilInterceptedDataProcessor = errors.New("nil intercepted data processor")

ErrNilInterceptedDataProcessor signals that a nil intercepted data processor was provided

View Source
var ErrNilInterceptorContainer = errors.New("nil interceptor container")

ErrNilInterceptorContainer signals that nil interceptor container has been provided

View Source
var ErrNilInterceptorThrottler = errors.New("nil interceptor throttler")

ErrNilInterceptorThrottler signals that a nil interceptor throttler was provided

View Source
var ErrNilIntermediateProcessorContainer = errors.New("intermediate processor container is nil")

ErrNilIntermediateProcessorContainer signals that intermediate processors container is nil

View Source
var ErrNilIntermediateTransactionHandler = errors.New("intermediate transaction handler is nil")

ErrNilIntermediateTransactionHandler signals that nil intermediate transaction handler was provided

View Source
var ErrNilKeyGen = errors.New("nil key generator")

ErrNilKeyGen signals that an operation has been attempted to or with a nil single sign key generator

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

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

View Source
var ErrNilMessage = errors.New("nil message")

ErrNilMessage signals that a nil message has been received

View Source
var ErrNilMessenger = errors.New("nil Messenger")

ErrNilMessenger signals that a nil Messenger object was provided

View Source
var ErrNilMetaBlockHeader = errors.New("nil metablock header")

ErrNilMetaBlockHeader signals that an operation has been attempted to or with a nil metablock

View Source
var ErrNilMetaBlocksPool = errors.New("nil meta blocks pool")

ErrNilMetaBlocksPool signals that a nil meta blocks pool was used

View Source
var ErrNilMinChanceIfZero = errors.New("no min chance ")

ErrNilMinChanceIfZero signals that there was no min chance provided if a chance is still needed

View Source
var ErrNilMiniBlock = errors.New("nil mini block")

ErrNilMiniBlock signals that an operation has been attempted with a nil miniblock

View Source
var ErrNilMiniBlockPool = errors.New("nil mini block pool")

ErrNilMiniBlockPool signals that a nil mini blocks pool was used

View Source
var ErrNilMiniBlocks = errors.New("nil mini blocks")

ErrNilMiniBlocks signals that an operation has been attempted with a nil mini-block

View Source
var ErrNilMiniBlocksProvider = errors.New("nil miniblocks provider")

ErrNilMiniBlocksProvider signals that a nil miniblocks data provider has been passed over

View Source
var ErrNilMultiSigVerifier = errors.New("nil multi-signature verifier")

ErrNilMultiSigVerifier signals that a nil multi-signature verifier is used

View Source
var ErrNilNetworkWatcher = errors.New("nil network watcher")

ErrNilNetworkWatcher signals that a nil network watcher has been provided

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

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

View Source
var ErrNilNodesCoordinator = errors.New("nil nodes coordinator")

ErrNilNodesCoordinator signals that an operation has been attempted to or with a nil nodes coordinator

View Source
var ErrNilNodesSetup = errors.New("nil nodes setup")

ErrNilNodesSetup signals that nil nodes setup has been provided

View Source
var ErrNilOrEmptyList = errors.New("nil or empty provided list")

ErrNilOrEmptyList signals that a nil or empty list was provided

View Source
var ErrNilPauseHandler = errors.New("nil pause handler")

ErrNilPauseHandler signals that nil pause handler has been provided

View Source
var ErrNilPayableHandler = errors.New("nil payableHandler was provided")

ErrNilPayableHandler signals that nil payableHandler was provided

View Source
var ErrNilPeerAccountsAdapter = errors.New("nil peer accounts database")

ErrNilPeerAccountsAdapter signals that a nil peer accounts database was provided

View Source
var ErrNilPeerShardMapper = errors.New("nil peer shard mapper")

ErrNilPeerShardMapper signals that a nil peer shard mapper has been provided

View Source
var ErrNilPeerValidatorMapper = errors.New("nil peer validator mapper")

ErrNilPeerValidatorMapper signals that nil peer validator mapper has been provided

View Source
var ErrNilPendingMiniBlocksHandler = errors.New("nil pending miniblocks handler")

ErrNilPendingMiniBlocksHandler signals that a nil pending miniblocks handler has been provided

View Source
var ErrNilPoolsHolder = errors.New("nil pools holder")

ErrNilPoolsHolder signals that an operation has been attempted to or with a nil pools holder object

View Source
var ErrNilPreProcessor = errors.New("preprocessor is nil")

ErrNilPreProcessor signals that preprocessors is nil

View Source
var ErrNilPreProcessorsContainer = errors.New("preprocessors container is nil")

ErrNilPreProcessorsContainer signals that preprocessors container is nil

View Source
var ErrNilPrevRandSeed = errors.New("provided previous rand seed is nil")

ErrNilPrevRandSeed signals that a nil previous rand seed has been provided

View Source
var ErrNilPreviousBlockHash = errors.New("nil previous block header hash")

ErrNilPreviousBlockHash signals that a operation has been attempted with a nil previous block header hash

View Source
var ErrNilProtocolSustainabilityAddress = errors.New("nil protocol sustainability address")

ErrNilProtocolSustainabilityAddress signals that a nil protocol sustainability address was provided

View Source
var ErrNilPubKeysBitmap = errors.New("nil public keys bitmap")

ErrNilPubKeysBitmap signals that a operation has been attempted with a nil public keys bitmap

View Source
var ErrNilPubkeyConverter = errors.New("nil pubkey converter")

ErrNilPubkeyConverter signals that an operation has been attempted to or with a nil public key converter implementation

View Source
var ErrNilQuotaStatusHandler = errors.New("nil quota status handler")

ErrNilQuotaStatusHandler signals that a nil quota status handler has been provided

View Source
var ErrNilRandSeed = errors.New("provided rand seed is nil")

ErrNilRandSeed signals that a nil rand seed has been provided

View Source
var ErrNilRater = errors.New("nil rater")

ErrNilRater signals that nil rater has been provided

View Source
var ErrNilRatingsInfoHandler = errors.New("nil ratings info handler")

ErrNilRatingsInfoHandler signals that nil ratings info handler has been provided

View Source
var ErrNilRcvAddr = errors.New("nil receiver address")

ErrNilRcvAddr signals that an operation has been attempted to or with a nil receiver address

View Source
var ErrNilReceiptHandler = errors.New("nil receipt handler")

ErrNilReceiptHandler signals that receipt handler is nil

View Source
var ErrNilRequestHandler = errors.New("nil request handler")

ErrNilRequestHandler signals that a nil request handler interface was provided

View Source
var ErrNilRewardTransaction = errors.New("reward transaction is nil")

ErrNilRewardTransaction signals that the reward transaction is nil

View Source
var ErrNilRewardTxDataPool = errors.New("reward transactions pool is nil")

ErrNilRewardTxDataPool signals that the reward transactions pool is nil

View Source
var ErrNilRewardsCreator = errors.New("nil epoch start rewards creator")

ErrNilRewardsCreator signals that nil epoch start rewards creator was provided

View Source
var ErrNilRewardsHandler = errors.New("rewards handler is nil")

ErrNilRewardsHandler signals that rewards handler is nil

View Source
var ErrNilRewardsTxProcessor = errors.New("nil rewards transaction processor")

ErrNilRewardsTxProcessor signals that the rewards transaction processor is nil

View Source
var ErrNilRolesHandler = errors.New("nil roles handler")

ErrNilRolesHandler signals that nil roles handler has been provided

View Source
var ErrNilRootHash = errors.New("root hash is nil")

ErrNilRootHash signals that an operation has been attempted with a nil root hash

View Source
var ErrNilRounder = errors.New("nil Rounder")

ErrNilRounder signals that an operation has been attempted to or with a nil Rounder implementation

View Source
var ErrNilSCDestAccount = errors.New("nil destination SC account")

ErrNilSCDestAccount signals that destination account is nil

View Source
var ErrNilSCToProtocol = errors.New("nil sc to protocol")

ErrNilSCToProtocol signals that nil smart contract to protocol handler has been provided

View Source
var ErrNilScAddress = errors.New("nil SC address")

ErrNilScAddress signals that a nil smart contract address has been provided

View Source
var ErrNilScQueryElement = errors.New("nil SC query service element")

ErrNilScQueryElement signals that a nil sc query service element was provided

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

ErrNilShardCoordinator signals that an operation has been attempted to or with a nil shard coordinator

View Source
var ErrNilShardedDataCacherNotifier = errors.New("nil sharded data cacher notifier")

ErrNilShardedDataCacherNotifier signals that a nil sharded data cacher notifier has been provided

View Source
var ErrNilSignature = errors.New("nil signature")

ErrNilSignature signals that a operation has been attempted with a nil signature

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

ErrNilSingleSigner signals that a nil single signer is used

View Source
var ErrNilSmartContractProcessor = errors.New("smart contract processor is nil")

ErrNilSmartContractProcessor signals that smart contract call executor is nil

View Source
var ErrNilSmartContractResult = errors.New("smart contract result is nil")

ErrNilSmartContractResult signals that the smart contract result is nil

View Source
var ErrNilSmartContractResultProcessor = errors.New("nil smart contract result processor")

ErrNilSmartContractResultProcessor signals that smart contract result processor is nil

View Source
var ErrNilSndAddr = errors.New("nil sender address")

ErrNilSndAddr signals that an operation has been attempted to or with a nil sender address

View Source
var ErrNilStorage = errors.New("nil storage")

ErrNilStorage signals that a nil storage has been provided

View Source
var ErrNilStore = errors.New("nil data storage service")

ErrNilStore signals that the provided storage service is nil

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

ErrNilSystemSCConfig signals that nil system sc config was provided

View Source
var ErrNilTemporaryAccountsHandler = errors.New("temporary accounts handler is nil")

ErrNilTemporaryAccountsHandler signals that temporary accounts handler is nil

View Source
var ErrNilTopicFloodPreventer = errors.New("nil topic flood preventer")

ErrNilTopicFloodPreventer signals that a nil topic flood preventer has been provided

View Source
var ErrNilTpsBenchmark = errors.New("tps benchmark object is nil")

ErrNilTpsBenchmark signals that tps benchmark object is nil

View Source
var ErrNilTransaction = errors.New("nil transaction")

ErrNilTransaction signals that an operation has been attempted to or with a nil transaction

View Source
var ErrNilTransactionCoordinator = errors.New("transaction coordinator is nil")

ErrNilTransactionCoordinator signals that transaction coordinator is nil

View Source
var ErrNilTransactionPool = errors.New("nil transaction pool")

ErrNilTransactionPool signals that a nil transaction pool was used

View Source
var ErrNilTransactionVersionChecker = errors.New("nil transaction version checker")

ErrNilTransactionVersionChecker signals that provided transaction version checker is nil

View Source
var ErrNilTxBlockBody = errors.New("nil tx block body")

ErrNilTxBlockBody signals that an operation has been attempted to or with a nil tx block body

View Source
var ErrNilTxDataPool = errors.New("nil transaction data pool")

ErrNilTxDataPool signals that a nil transaction pool has been provided

View Source
var ErrNilTxForCurrentBlockHandler = errors.New("nil tx for current block handler")

ErrNilTxForCurrentBlockHandler signals that nil tx for current block handler has been provided

View Source
var ErrNilTxHash = errors.New("nil transaction hash")

ErrNilTxHash signals that an operation has been attempted with a nil hash

View Source
var ErrNilTxLogsProcessor = errors.New("nil transaction logs processor")

ErrNilTxLogsProcessor is the error returned when a transaction has no logs

View Source
var ErrNilTxProcessor = errors.New("nil transactions processor")

ErrNilTxProcessor signals that a nil transactions processor was used

View Source
var ErrNilTxStorage = errors.New("nil transaction storage")

ErrNilTxStorage signals that a nil transaction storage has been provided

View Source
var ErrNilTxTypeHandler = errors.New("nil tx type handler")

ErrNilTxTypeHandler signals that tx type handler is nil

View Source
var ErrNilTxValidator = errors.New("nil transaction validator")

ErrNilTxValidator signals that a nil tx validator has been provided

View Source
var ErrNilUTxDataPool = errors.New("unsigned transactions pool is nil")

ErrNilUTxDataPool signals that unsigned transaction pool is nil

View Source
var ErrNilUTxStorage = errors.New("unsigned transactions storage is nil")

ErrNilUTxStorage signals that unsigned transaction storage is nil

View Source
var ErrNilUint64Converter = errors.New("unit64converter is nil")

ErrNilUint64Converter signals that uint64converter is nil

View Source
var ErrNilUnsignedTxDataPool = errors.New("unsigned transactions pool is nil")

ErrNilUnsignedTxDataPool signals that the unsigned transactions pool is nil

View Source
var ErrNilUnsignedTxHandler = errors.New("nil unsigned tx handler")

ErrNilUnsignedTxHandler signals that the unsigned tx handler is nil

View Source
var ErrNilUserAccount = errors.New("nil user account")

ErrNilUserAccount signals that nil user account was provided

View Source
var ErrNilVMOutput = errors.New("nil vm output")

ErrNilVMOutput signals that vmoutput is nil

View Source
var ErrNilValidatorInfos = errors.New("nil validator infos")

ErrNilValidatorInfos signals that a nil validator infos has been provided

View Source
var ErrNilValidatorStatistics = errors.New("nil validator statistics")

ErrNilValidatorStatistics signals that a nil validator statistics has been provided

View Source
var ErrNilValidityAttester = errors.New("nil validity attester")

ErrNilValidityAttester signals that a nil validity attester has been provided

View Source
var ErrNilValue = errors.New("nil value")

ErrNilValue signals the value is nil

View Source
var ErrNilValueFromRewardTransaction = errors.New("transferred value is nil in reward transaction")

ErrNilValueFromRewardTransaction signals that the transfered value is nil

View Source
var ErrNilVmInput = errors.New("nil vm input")

ErrNilVmInput signals that provided vm input is nil

View Source
var ErrNilWhiteListHandler = errors.New("nil whitelist handler")

ErrNilWhiteListHandler signals that white list handler is nil

View Source
var ErrNoChancesForMaxThreshold = errors.New("max threshold has no chances")

ErrNoChancesForMaxThreshold signals that the max threshold has no chance defined

View Source
var ErrNoChancesProvided = errors.New("no chances are provided")

ErrNoChancesProvided signals that there were no chances provided

View Source
var ErrNoDataInMessage = errors.New("no data found in received message")

ErrNoDataInMessage signals that no data was found after parsing received p2p message

View Source
var ErrNoVM = errors.New("no VM (hook not set)")

ErrNoVM signals that no SCHandler has been set

View Source
var ErrNotEnoughGas = errors.New("not enough gas was sent in the transaction")

ErrNotEnoughGas signals that not enough gas has been provided

View Source
var ErrNotEnoughGasInUserTx = errors.New("not enough gas provided in user tx")

ErrNotEnoughGasInUserTx signals that not enough gas was provided in user tx

View Source
var ErrNotEnoughValidBlocksInStorage = errors.New("not enough valid blocks to start from storage")

ErrNotEnoughValidBlocksInStorage signals that bootstrap from storage failed due to not enough valid blocks stored

View Source
var ErrNotEpochStartBlock = errors.New("not epoch start block")

ErrNotEpochStartBlock signals that block is not of type epoch start

View Source
var ErrNotarizedHeadersSliceForShardIsNil = errors.New("notarized headers slice for shard is nil")

ErrNotarizedHeadersSliceForShardIsNil signals that the slice holding notarized headers for shard is nil

View Source
var ErrNotarizedHeadersSliceIsNil = errors.New("notarized headers slice is nil")

ErrNotarizedHeadersSliceIsNil signals that the slice holding notarized headers is nil

View Source
var ErrOnlyFungibleTokensHaveBalanceTransfer = errors.New("only fungible tokens have balance transfer")

ErrOnlyFungibleTokensHaveBalanceTransfer signals that only fungible tokens have balance transfer

View Source
var ErrOnlySystemAccountAccepted = errors.New("only system account is accepted")

ErrOnlySystemAccountAccepted signals that only system account is accepted

View Source
var ErrOnlyValidatorsCanUseThisTopic = errors.New("only validators can use this topic")

ErrOnlyValidatorsCanUseThisTopic signals that topic can be used by validator only

View Source
var ErrOperationNotPermitted = errors.New("operation in account not permitted")

ErrOperationNotPermitted signals that operation is not permitted

View Source
var ErrOriginatorIsBlacklisted = errors.New("originator is blacklisted")

ErrOriginatorIsBlacklisted signals that a message originator is blacklisted on the current node

View Source
var ErrOverallBalanceChangeFromSC = errors.New("SC output balance updates are wrong")

ErrOverallBalanceChangeFromSC signals that all sumed balance changes are not zero

View Source
var ErrOverflow = errors.New("type overflow occured")

ErrOverflow signals that an overflow occured

View Source
var ErrRandSeedDoesNotMatch = errors.New("random seed do not match")

ErrRandSeedDoesNotMatch signals that random seed does not match with the previous one

View Source
var ErrReceiptsHashMissmatch = errors.New("receipts hash missmatch")

ErrReceiptsHashMissmatch signals that overall receipts has does not match

View Source
var ErrRecursiveRelayedTxIsNotAllowed = errors.New("recursive relayed tx is not allowed")

ErrRecursiveRelayedTxIsNotAllowed signals that recursive relayed tx is not allowed

View Source
var ErrRelayedGasPriceMissmatch = errors.New("relayed gas price missmatch")

ErrRelayedGasPriceMissmatch signals that relayed gas price is not equal with user tx

View Source
var ErrRelayedTxBeneficiaryDoesNotMatchReceiver = errors.New("invalid address in relayed tx")

ErrRelayedTxBeneficiaryDoesNotMatchReceiver signals that an invalid address was provided in the relayed tx

View Source
var ErrRelayedTxDisabled = errors.New("relayed tx is disabled")

ErrRelayedTxDisabled signals that relayed tx are disabled

View Source
var ErrRelayedTxGasLimitMissmatch = errors.New("relayed tx gas limit higher then user tx gas limit")

ErrRelayedTxGasLimitMissmatch signals that relayed tx gas limit is higher then user tx gas limit

View Source
var ErrRelayedTxValueHigherThenUserTxValue = errors.New("relayed tx value is higher than user tx value")

ErrRelayedTxValueHigherThenUserTxValue signals that relayed tx value is higher then user tx value

View Source
var ErrReservedFieldNotSupportedYet = errors.New("reserved field not supported yet")

ErrReservedFieldNotSupportedYet signals that reserved field is not empty

View Source
var ErrRewardMiniBlockNotFromMeta = errors.New("rewards miniblocks should come only from meta")

ErrRewardMiniBlockNotFromMeta signals that miniblock has a different sender shard than meta

View Source
var ErrRootStateDoesNotMatch = errors.New("root state does not match")

ErrRootStateDoesNotMatch signals that root state does not match

View Source
var ErrSCDeployFromSCRIsNotPermitted = errors.New("it is not permitted to deploy a smart contract from another smart contract cross shard")

ErrSCDeployFromSCRIsNotPermitted signals that operation is not permitted

View Source
var ErrShardIdMissmatch = errors.New("shard ID missmatch")

ErrShardIdMissmatch signals shard ID does not match expectations

View Source
var ErrShardIsStuck = errors.New("shard is stuck")

ErrShardIsStuck signals that a shard is stuck

View Source
var ErrSignedBlocksThresholdNotBetweenZeroAndOne = errors.New("signed blocks threshold is not between 0 and 1")

ErrSignedBlocksThresholdNotBetweenZeroAndOne signals that the signed blocks threshold is not between 0 and 1

View Source
var ErrSmartContractDeploymentIsDisabled = errors.New("smart Contract deployment is disabled")

ErrSmartContractDeploymentIsDisabled signals that smart contract deployment was disabled

View Source
var ErrStartRatingNotBetweenMinAndMax = errors.New("start rating is not between min and max rating")

ErrStartRatingNotBetweenMinAndMax signals that the start rating is not between min and max rating

View Source
var ErrSystemBusy = errors.New("system busy")

ErrSystemBusy signals that the system is busy

View Source
var ErrTimeIsOut = errors.New("time is out")

ErrTimeIsOut signals that time is out

View Source
var ErrTooManyReceiptsMiniBlocks = errors.New("too many receipts miniblocks")

ErrTooManyReceiptsMiniBlocks signals that there were too many receipts miniblocks created

View Source
var ErrTransactionIsNotWhitelisted = errors.New("transaction is not whitelisted")

ErrTransactionIsNotWhitelisted signals that a transaction is not whitelisted

View Source
var ErrTransactionSignedWithHashIsNotEnabled = errors.New("transaction signed with hash is not enabled")

ErrTransactionSignedWithHashIsNotEnabled signals that a transaction signed with hash is not enabled

View Source
var ErrTxNotFound = errors.New("transaction not found")

ErrTxNotFound signals that a transaction has not found

View Source
var ErrTxValueOutOfBounds = errors.New("tx value is out of bounds")

ErrTxValueOutOfBounds signals that transaction value is out of bounds

View Source
var ErrTxValueTooBig = errors.New("tx value is too big")

ErrTxValueTooBig signals that transaction value is too big

View Source
var ErrUnknownBlockType = errors.New("block type is unknown")

ErrUnknownBlockType signals that block type is not correct

View Source
var ErrUnmarshalWithoutSuccess = errors.New("unmarshal without success")

ErrUnmarshalWithoutSuccess signals that unmarshal some data was not done with success

View Source
var ErrUpgradeNotAllowed = errors.New("upgrade is allowed only for owner")

ErrUpgradeNotAllowed signals that upgrade is not allowed

View Source
var ErrUserNameChangeIsDisabled = errors.New("user name change is disabled")

ErrUserNameChangeIsDisabled signals the user name change is not allowed

View Source
var ErrUserNameDoesNotMatch = errors.New("user name does not match")

ErrUserNameDoesNotMatch signals that user name does not match

View Source
var ErrUserNameDoesNotMatchInCrossShardTx = errors.New("mismatch between receiver username and address")

ErrUserNameDoesNotMatchInCrossShardTx signals that user name does not match in case of cross shard tx

View Source
var ErrValidatorInfoMiniBlockNotFromMeta = errors.New("validatorInfo miniblocks should come only from meta")

ErrValidatorInfoMiniBlockNotFromMeta signals that miniblock has a different sender shard than meta

View Source
var ErrValidatorStatsRootHashDoesNotMatch = errors.New("root hash for validator statistics does not match")

ErrValidatorStatsRootHashDoesNotMatch signals that the root hash for the validator statistics does not match

View Source
var ErrWrongNFTOnDestination = errors.New("wrong NFT on destination")

ErrWrongNFTOnDestination signals the NFT is mismatched on destination - should never happen

View Source
var ErrWrongNonceInBlock = errors.New("wrong nonce in block")

ErrWrongNonceInBlock signals the nonce in block is different than expected nonce

View Source
var ErrWrongNonceInVMOutput = errors.New("nonce invalid from SC run")

ErrWrongNonceInVMOutput signals that nonce in vm output is wrong

View Source
var ErrWrongTransaction = errors.New("invalid transaction")

ErrWrongTransaction signals that transaction is invalid

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

ErrWrongTypeAssertion signals that an type assertion failed

View Source
var ErrWrongTypeInContainer = errors.New("wrong type of object inside container")

ErrWrongTypeInContainer signals that a wrong type of object was found in container

View Source
var ErrWrongTypeInMiniBlock = errors.New("type in miniblock is not correct for processing")

ErrWrongTypeInMiniBlock signals that type is not correct for processing

View Source
var ErrZeroMaxComputableRounds = errors.New("max computable rounds is zero")

ErrZeroMaxComputableRounds signals that a value of zero was provided on the maxComputableRounds

Functions

func AddHeaderToBlackList

func AddHeaderToBlackList(blackListHandler TimeCacher, hash []byte)

AddHeaderToBlackList adds a hash to black list handler. Logs if the operation did not succeed

func DisplayProcessTxDetails

func DisplayProcessTxDetails(
	message string,
	accountHandler state.AccountHandler,
	txHandler data.TransactionHandler,
	addressPubkeyConverter core.PubkeyConverter,
)

DisplayProcessTxDetails displays information related to the tx which should be executed

func GetHeaderFromStorageWithNonce

func GetHeaderFromStorageWithNonce(
	nonce uint64,
	shardId uint32,
	storageService dataRetriever.StorageService,
	uint64Converter typeConverters.Uint64ByteSliceConverter,
	marshalizer marshal.Marshalizer,
) (data.HeaderHandler, []byte, error)

GetHeaderFromStorageWithNonce method returns a block header from storage with a given nonce and shardId

func GetMarshalizedHeaderFromStorage

func GetMarshalizedHeaderFromStorage(
	blockUnit dataRetriever.UnitType,
	hash []byte,
	marshalizer marshal.Marshalizer,
	storageService dataRetriever.StorageService,
) ([]byte, error)

GetMarshalizedHeaderFromStorage gets the marshalized header, which is associated with the given hash, from storage

func GetMetaHeader

func GetMetaHeader(
	hash []byte,
	headersCacher dataRetriever.HeadersPool,
	marshalizer marshal.Marshalizer,
	storageService dataRetriever.StorageService,
) (*block.MetaBlock, error)

GetMetaHeader gets the header, which is associated with the given hash, from pool or storage

func GetMetaHeaderFromPool

func GetMetaHeaderFromPool(
	hash []byte,
	headersCacher dataRetriever.HeadersPool,
) (*block.MetaBlock, error)

GetMetaHeaderFromPool gets the header, which is associated with the given hash, from pool

func GetMetaHeaderFromPoolWithNonce

func GetMetaHeaderFromPoolWithNonce(
	nonce uint64,
	headersCacher dataRetriever.HeadersPool,
) (*block.MetaBlock, []byte, error)

GetMetaHeaderFromPoolWithNonce method returns a meta block header from pool with a given nonce

func GetMetaHeaderFromStorage

func GetMetaHeaderFromStorage(
	hash []byte,
	marshalizer marshal.Marshalizer,
	storageService dataRetriever.StorageService,
) (*block.MetaBlock, error)

GetMetaHeaderFromStorage gets the header, which is associated with the given hash, from storage

func GetMetaHeaderFromStorageWithNonce

func GetMetaHeaderFromStorageWithNonce(
	nonce uint64,
	storageService dataRetriever.StorageService,
	uint64Converter typeConverters.Uint64ByteSliceConverter,
	marshalizer marshal.Marshalizer,
) (*block.MetaBlock, []byte, error)

GetMetaHeaderFromStorageWithNonce method returns a meta block header from storage with a given nonce

func GetMetaHeaderWithNonce

func GetMetaHeaderWithNonce(
	nonce uint64,
	headersCacher dataRetriever.HeadersPool,
	marshalizer marshal.Marshalizer,
	storageService dataRetriever.StorageService,
	uint64Converter typeConverters.Uint64ByteSliceConverter,
) (*block.MetaBlock, []byte, error)

GetMetaHeaderWithNonce method returns a meta block header with a given nonce

func GetShardHeader

func GetShardHeader(
	hash []byte,
	headersCacher dataRetriever.HeadersPool,
	marshalizer marshal.Marshalizer,
	storageService dataRetriever.StorageService,
) (*block.Header, error)

GetShardHeader gets the header, which is associated with the given hash, from pool or storage

func GetShardHeaderFromPool

func GetShardHeaderFromPool(
	hash []byte,
	headersCacher dataRetriever.HeadersPool,
) (*block.Header, error)

GetShardHeaderFromPool gets the header, which is associated with the given hash, from pool

func GetShardHeaderFromPoolWithNonce

func GetShardHeaderFromPoolWithNonce(
	nonce uint64,
	shardId uint32,
	headersCacher dataRetriever.HeadersPool,
) (*block.Header, []byte, error)

GetShardHeaderFromPoolWithNonce method returns a shard block header from pool with a given nonce and shardId

func GetShardHeaderFromStorage

func GetShardHeaderFromStorage(
	hash []byte,
	marshalizer marshal.Marshalizer,
	storageService dataRetriever.StorageService,
) (*block.Header, error)

GetShardHeaderFromStorage gets the header, which is associated with the given hash, from storage

func GetShardHeaderFromStorageWithNonce

func GetShardHeaderFromStorageWithNonce(
	nonce uint64,
	shardId uint32,
	storageService dataRetriever.StorageService,
	uint64Converter typeConverters.Uint64ByteSliceConverter,
	marshalizer marshal.Marshalizer,
) (*block.Header, []byte, error)

GetShardHeaderFromStorageWithNonce method returns a shard block header from storage with a given nonce and shardId

func GetShardHeaderWithNonce

func GetShardHeaderWithNonce(
	nonce uint64,
	shardId uint32,
	headersCacher dataRetriever.HeadersPool,
	marshalizer marshal.Marshalizer,
	storageService dataRetriever.StorageService,
	uint64Converter typeConverters.Uint64ByteSliceConverter,
) (*block.Header, []byte, error)

GetShardHeaderWithNonce method returns a shard block header with a given nonce and shardId

func GetSortedStorageUpdates added in v1.1.1

func GetSortedStorageUpdates(account *vmcommon.OutputAccount) []*vmcommon.StorageUpdate

GetSortedStorageUpdates returns the storage updates as a sorted list

func GetTransactionHandler

func GetTransactionHandler(
	senderShardID uint32,
	destShardID uint32,
	txHash []byte,
	shardedDataCacherNotifier dataRetriever.ShardedDataCacherNotifier,
	storageService dataRetriever.StorageService,
	marshalizer marshal.Marshalizer,
	searchFirst bool,
) (data.TransactionHandler, error)

GetTransactionHandler gets the transaction with a given sender/receiver shardId and txHash

func GetTransactionHandlerFromPool

func GetTransactionHandlerFromPool(
	senderShardID uint32,
	destShardID uint32,
	txHash []byte,
	shardedDataCacherNotifier dataRetriever.ShardedDataCacherNotifier,
	searchFirst bool,
) (data.TransactionHandler, error)

GetTransactionHandlerFromPool gets the transaction from pool with a given sender/receiver shardId and txHash

func GetTransactionHandlerFromStorage

func GetTransactionHandlerFromStorage(
	txHash []byte,
	storageService dataRetriever.StorageService,
	marshalizer marshal.Marshalizer,
) (data.TransactionHandler, error)

GetTransactionHandlerFromStorage gets the transaction from storage with a given sender/receiver shardId and txHash

func IsAllowedToSaveUnderKey added in v1.0.114

func IsAllowedToSaveUnderKey(key []byte) bool

IsAllowedToSaveUnderKey returns if saving key-value in data tries under given key is allowed

func IsInProperRound

func IsInProperRound(index int64) bool

IsInProperRound checks if the given round index satisfies the round modulus trigger

func IsShardCacherIdentifierForSourceMe added in v1.0.123

func IsShardCacherIdentifierForSourceMe(cacheID string, shardID uint32) bool

IsShardCacherIdentifierForSourceMe checks whether the specified cache is for the pair (sender = me, destination = *)

func ParseShardCacherIdentifier

func ParseShardCacherIdentifier(cacheID string) (uint32, uint32, error)

ParseShardCacherIdentifier parses an identifier into its components: sender shard, destination shard

func ShardCacherIdentifier

func ShardCacherIdentifier(senderShardID uint32, destinationShardID uint32) string

ShardCacherIdentifier generates a string identifier between 2 shards

func SortHeadersByNonce

func SortHeadersByNonce(headers []data.HeaderHandler)

SortHeadersByNonce will sort a given list of headers by nonce

func SortVMOutputInsideData added in v1.1.1

func SortVMOutputInsideData(vmOutput *vmcommon.VMOutput) []*vmcommon.OutputAccount

SortVMOutputInsideData returns the output accounts as a sorted list

Types

type AntifloodDebugger added in v1.0.127

type AntifloodDebugger interface {
	AddData(pid core.PeerID, topic string, numRejected uint32, sizeRejected uint64, sequence []byte, isBlacklisted bool)
	Close() error
	IsInterfaceNil() bool
}

AntifloodDebugger defines an interface for debugging the antiflood behavior

type ArgumentsParser

type ArgumentsParser interface {
	ParseCallData(data string) (string, [][]byte, error)
	ParseDeployData(data string) (*parsers.DeployArgs, error)

	CreateDataFromStorageUpdate(storageUpdates []*vmcommon.StorageUpdate) string
	GetStorageUpdates(data string) ([]*vmcommon.StorageUpdate, error)
	IsInterfaceNil() bool
}

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

type BaseOperationCost added in v1.1.12

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

BaseOperationCost defines cost for base operation cost

type BlockChainHookHandler

type BlockChainHookHandler interface {
	IsPayable(address []byte) (bool, error)
	SetCurrentHeader(hdr data.HeaderHandler)
	GetBuiltInFunctions() BuiltInFunctionContainer
	NewAddress(creatorAddress []byte, creatorNonce uint64, vmType []byte) ([]byte, error)
	DeleteCompiledCode(codeHash []byte)
	IsInterfaceNil() bool
}

BlockChainHookHandler defines the actions which should be performed by implementation

type BlockHeaderState

type BlockHeaderState int

BlockHeaderState specifies which is the state of the block header received

const (
	// BHReceived defines ID of a received block header
	BHReceived BlockHeaderState = iota
	// BHReceivedTooLate defines ID of a late received block header
	BHReceivedTooLate
	// BHProcessed defines ID of a processed block header
	BHProcessed
	// BHProposed defines ID of a proposed block header
	BHProposed
	// BHNotarized defines ID of a notarized block header
	BHNotarized
)

type BlockProcessor

type BlockProcessor interface {
	ProcessBlock(header data.HeaderHandler, body data.BodyHandler, haveTime func() time.Duration) error
	CommitBlock(header data.HeaderHandler, body data.BodyHandler) error
	RevertAccountState(header data.HeaderHandler)
	PruneStateOnRollback(currHeader data.HeaderHandler, prevHeader data.HeaderHandler)
	RevertStateToBlock(header data.HeaderHandler) error
	CreateNewHeader(round uint64, nonce uint64) data.HeaderHandler
	RestoreBlockIntoPools(header data.HeaderHandler, body data.BodyHandler) error
	CreateBlock(initialHdr data.HeaderHandler, haveTime func() bool) (data.HeaderHandler, data.BodyHandler, error)
	ApplyProcessedMiniBlocks(processedMiniBlocks *processedMb.ProcessedMiniBlockTracker)
	MarshalizedDataToBroadcast(header data.HeaderHandler, body data.BodyHandler) (map[uint32][]byte, map[string][][]byte, error)
	DecodeBlockBody(dta []byte) data.BodyHandler
	DecodeBlockHeader(dta []byte) data.HeaderHandler
	SetNumProcessedObj(numObj uint64)
	IsInterfaceNil() bool
}

BlockProcessor is the main interface for block execution engine

type BlockSizeThrottler

type BlockSizeThrottler interface {
	GetCurrentMaxSize() uint32
	Add(round uint64, size uint32)
	Succeed(round uint64)
	ComputeCurrentMaxSize()
	IsInterfaceNil() bool
}

BlockSizeThrottler defines the functionality of adapting the node to the network speed/latency when it should send a block to its peers which should be received in a limited time frame

type BlockTracker

type BlockTracker interface {
	AddCrossNotarizedHeader(shradID uint32, crossNotarizedHeader data.HeaderHandler, crossNotarizedHeaderHash []byte)
	AddSelfNotarizedHeader(shardID uint32, selfNotarizedHeader data.HeaderHandler, selfNotarizedHeaderHash []byte)
	AddTrackedHeader(header data.HeaderHandler, hash []byte)
	CheckBlockAgainstFinal(headerHandler data.HeaderHandler) error
	CheckBlockAgainstRounder(headerHandler data.HeaderHandler) error
	CheckBlockAgainstWhitelist(interceptedData InterceptedData) bool
	CleanupHeadersBehindNonce(shardID uint32, selfNotarizedNonce uint64, crossNotarizedNonce uint64)
	CleanupInvalidCrossHeaders(metaNewEpoch uint32, metaRoundAttestingEpoch uint64)
	ComputeLongestChain(shardID uint32, header data.HeaderHandler) ([]data.HeaderHandler, [][]byte)
	ComputeLongestMetaChainFromLastNotarized() ([]data.HeaderHandler, [][]byte, error)
	ComputeLongestShardsChainsFromLastNotarized() ([]data.HeaderHandler, [][]byte, map[uint32][]data.HeaderHandler, error)
	DisplayTrackedHeaders()
	GetCrossNotarizedHeader(shardID uint32, offset uint64) (data.HeaderHandler, []byte, error)
	GetLastCrossNotarizedHeader(shardID uint32) (data.HeaderHandler, []byte, error)
	GetLastCrossNotarizedHeadersForAllShards() (map[uint32]data.HeaderHandler, error)
	GetLastSelfNotarizedHeader(shardID uint32) (data.HeaderHandler, []byte, error)
	GetSelfNotarizedHeader(shardID uint32, offset uint64) (data.HeaderHandler, []byte, error)
	GetTrackedHeaders(shardID uint32) ([]data.HeaderHandler, [][]byte)
	GetTrackedHeadersForAllShards() map[uint32][]data.HeaderHandler
	GetTrackedHeadersWithNonce(shardID uint32, nonce uint64) ([]data.HeaderHandler, [][]byte)
	IsShardStuck(shardID uint32) bool
	RegisterCrossNotarizedHeadersHandler(func(shardID uint32, headers []data.HeaderHandler, headersHashes [][]byte))
	RegisterSelfNotarizedFromCrossHeadersHandler(func(shardID uint32, headers []data.HeaderHandler, headersHashes [][]byte))
	RegisterSelfNotarizedHeadersHandler(func(shardID uint32, headers []data.HeaderHandler, headersHashes [][]byte))
	RegisterFinalMetachainHeadersHandler(func(shardID uint32, headers []data.HeaderHandler, headersHashes [][]byte))
	RemoveLastNotarizedHeaders()
	RestoreToGenesis()
	ShouldAddHeader(headerHandler data.HeaderHandler) bool
	IsInterfaceNil() bool
}

BlockTracker defines the functionality for node to track the blocks which are received from network

type BootStorer

type BootStorer interface {
	SaveLastRound(round int64) error
	Put(round int64, bootData bootstrapStorage.BootstrapData) error
	Get(round int64) (bootstrapStorage.BootstrapData, error)
	GetHighestRound() int64
	IsInterfaceNil() bool
}

BootStorer is the interface needed by bootstrapper to read/write data in storage

type Bootstrapper

type Bootstrapper interface {
	Close() error
	AddSyncStateListener(func(isSyncing bool))
	GetNodeState() core.NodeState
	StartSyncingBlocks()
	SetStatusHandler(handler core.AppStatusHandler) error
	IsInterfaceNil() bool
}

Bootstrapper is an interface that defines the behaviour of a struct that is able to synchronize the node

type BootstrapperFromStorage

type BootstrapperFromStorage interface {
	LoadFromStorage() error
	GetHighestBlockNonce() uint64
	IsInterfaceNil() bool
}

BootstrapperFromStorage is the interface needed by boot component to load data from storage

type BuiltInCost added in v1.1.12

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
}

BuiltInCost defines cost for built-in methods

type BuiltInFunctionContainer added in v1.0.103

type BuiltInFunctionContainer interface {
	Get(key string) (BuiltinFunction, error)
	Add(key string, function BuiltinFunction) error
	Replace(key string, function BuiltinFunction) error
	Remove(key string)
	Len() int
	Keys() map[string]struct{}
	IsInterfaceNil() bool
}

BuiltInFunctionContainer defines the methods for the built-in protocol container

type BuiltinFunction

type BuiltinFunction interface {
	ProcessBuiltinFunction(acntSnd, acntDst state.UserAccountHandler, vmInput *vmcommon.ContractCallInput) (*vmcommon.VMOutput, error)
	SetNewGasConfig(gasCost *GasCost)
	IsInterfaceNil() bool
}

BuiltinFunction defines the methods for the built-in protocol smart contract functions

type CallArgumentsParser added in v1.0.133

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

CallArgumentsParser defines the functionality to parse transaction data into call arguments

type Checker

type Checker interface {
	// IntegrityAndValidity does both validity and integrity checks on the data structure
	IntegrityAndValidity(coordinator sharding.Coordinator) error
	// Integrity checks only the integrity of the data
	Integrity(coordinator sharding.Coordinator) error
	// IsInterfaceNil returns true if there is no value under the interface
	IsInterfaceNil() bool
}

Checker provides functionality to checks the integrity and validity of a data structure

type DataMarshalizer

type DataMarshalizer interface {
	CreateMarshalizedData(txHashes [][]byte) ([][]byte, error)
}

DataMarshalizer defines the behavior of a structure that is able to marshalize containing data

type DataPacker

type DataPacker interface {
	PackDataInChunks(data [][]byte, limit int) ([][]byte, error)
	IsInterfaceNil() bool
}

DataPacker can split a large slice of byte slices in smaller packets

type DeployArgumentsParser added in v1.0.133

type DeployArgumentsParser interface {
	ParseData(data string) (*parsers.DeployArgs, error)
	IsInterfaceNil() bool
}

DeployArgumentsParser defines the functionality to parse transaction data into call arguments

type ESDTPauseHandler added in v1.1.3

type ESDTPauseHandler interface {
	IsPaused(token []byte) bool
	IsInterfaceNil() bool
}

ESDTPauseHandler provides IsPaused function for an ESDT token

type ESDTRoleHandler added in v1.1.39

type ESDTRoleHandler interface {
	CheckAllowedToExecute(account state.UserAccountHandler, tokenID []byte, action []byte) error
	IsInterfaceNil() bool
}

ESDTRoleHandler provides IsAllowedToExecute function for an ESDT

type EconomicsDataHandler added in v1.1.15

type EconomicsDataHandler interface {
	DeveloperPercentage() float64
	MaxGasLimitPerBlock(shardID uint32) uint64
	ComputeGasLimit(tx TransactionWithFeeHandler) uint64
	ComputeMoveBalanceFee(tx TransactionWithFeeHandler) *big.Int
	ComputeTxFee(tx TransactionWithFeeHandler) *big.Int
	CheckValidityTxValues(tx TransactionWithFeeHandler) error
	MinGasPrice() uint64
	GasPriceModifier() float64
	LeaderPercentage() float64
	ProtocolSustainabilityPercentage() float64
	ProtocolSustainabilityAddress() string
	MinInflationRate() float64
	MaxInflationRate(year uint32) float64
	GasPerDataByte() uint64
	MinGasLimit() uint64
	GenesisTotalSupply() *big.Int
	ComputeFeeForProcessing(tx TransactionWithFeeHandler, gasToUse uint64) *big.Int
	RewardsTopUpGradientPoint() *big.Int
	RewardsTopUpFactor() float64
	SplitTxGasInCategories(tx TransactionWithFeeHandler) (uint64, uint64)
	GasPriceForProcessing(tx TransactionWithFeeHandler) uint64
	GasPriceForMove(tx TransactionWithFeeHandler) uint64
	MinGasPriceForProcessing() uint64
	IsInterfaceNil() bool
}

EconomicsDataHandler is able to perform economics calculations and return economics data

type EndOfEpochEconomics

type EndOfEpochEconomics interface {
	ComputeEndOfEpochEconomics(metaBlock *block.MetaBlock) (*block.Economics, error)
	VerifyRewardsPerBlock(metaBlock *block.MetaBlock, correctedProtocolSustainability *big.Int, computedEconomics *block.Economics) error
	IsInterfaceNil() bool
}

EndOfEpochEconomics defines the functionality that is needed to compute end of epoch economics data

type EpochBootstrapper

type EpochBootstrapper interface {
	SetCurrentEpochStartRound(round uint64)
	IsInterfaceNil() bool
}

EpochBootstrapper defines the actions needed by bootstrapper

type EpochHandler added in v1.0.117

type EpochHandler interface {
	MetaEpoch() uint32
	IsInterfaceNil() bool
}

EpochHandler defines what a component which handles current epoch should be able to do

type EpochNotifier added in v1.1.1

type EpochNotifier interface {
	RegisterNotifyHandler(handler core.EpochSubscriberHandler)
	CurrentEpoch() uint32
	CheckEpoch(epoch uint32)
	IsInterfaceNil() bool
}

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

type EpochStartDataCreator

type EpochStartDataCreator interface {
	CreateEpochStartData() (*block.EpochStart, error)
	VerifyEpochStartDataForMetablock(metaBlock *block.MetaBlock) error
	IsInterfaceNil() bool
}

EpochStartDataCreator defines the functionality for node to create epoch start data

type EpochStartEventNotifier added in v1.0.117

type EpochStartEventNotifier interface {
	RegisterHandler(handler epochStart.ActionHandler)
	UnregisterHandler(handler epochStart.ActionHandler)
	IsInterfaceNil() bool
}

EpochStartEventNotifier provides Register and Unregister functionality for the end of epoch events

type EpochStartSystemSCProcessor added in v1.1.1

type EpochStartSystemSCProcessor interface {
	ProcessSystemSmartContract(validatorInfos map[uint32][]*state.ValidatorInfo, nonce uint64, epoch uint32) error
	ProcessDelegationRewards(
		miniBlocks block.MiniBlockSlice,
		rewardTxs epochStart.TransactionCacher,
	) error
	ToggleUnStakeUnBond(value bool) error
	IsInterfaceNil() bool
}

EpochStartSystemSCProcessor defines the functionality for the metachain to process system smart contract and end of epoch

type EpochStartTriggerHandler

type EpochStartTriggerHandler interface {
	Update(round uint64, nonce uint64)
	IsEpochStart() bool
	Epoch() uint32
	MetaEpoch() uint32
	EpochStartRound() uint64
	SetProcessed(header data.HeaderHandler, body data.BodyHandler)
	RevertStateToBlock(header data.HeaderHandler) error
	EpochStartMetaHdrHash() []byte
	GetSavedStateKey() []byte
	LoadState(key []byte) error
	IsInterfaceNil() bool
	SetFinalityAttestingRound(round uint64)
	EpochFinalityAttestingRound() uint64
	RequestEpochStartIfNeeded(interceptedHeader data.HeaderHandler)
}

EpochStartTriggerHandler defines that actions which are needed by processor for start of epoch

type EpochStartValidatorInfoCreator

type EpochStartValidatorInfoCreator interface {
	CreateValidatorInfoMiniBlocks(validatorInfo map[uint32][]*state.ValidatorInfo) (block.MiniBlockSlice, error)
	VerifyValidatorInfoMiniBlocks(miniblocks []*block.MiniBlock, validatorsInfo map[uint32][]*state.ValidatorInfo) error
	SaveValidatorInfoBlocksToStorage(metaBlock *block.MetaBlock, body *block.Body)
	DeleteValidatorInfoBlocksFromStorage(metaBlock *block.MetaBlock)
	RemoveBlockDataFromPools(metaBlock *block.MetaBlock, body *block.Body)
	IsInterfaceNil() bool
}

EpochStartValidatorInfoCreator defines the functionality for the metachain to create validator statistics at end of epoch

type FallbackHeaderValidator added in v1.1.3

type FallbackHeaderValidator interface {
	ShouldApplyFallbackValidation(headerHandler data.HeaderHandler) bool
	IsInterfaceNil() bool
}

FallbackHeaderValidator defines the behaviour of a component able to signal when a fallback header validation could be applied

type FeeHandler

type FeeHandler interface {
	DeveloperPercentage() float64
	MaxGasLimitPerBlock(shardID uint32) uint64
	ComputeGasLimit(tx TransactionWithFeeHandler) uint64
	ComputeMoveBalanceFee(tx TransactionWithFeeHandler) *big.Int
	ComputeTxFee(tx TransactionWithFeeHandler) *big.Int
	CheckValidityTxValues(tx TransactionWithFeeHandler) error
	ComputeFeeForProcessing(tx TransactionWithFeeHandler, gasToUse uint64) *big.Int
	MinGasPrice() uint64
	GasPriceModifier() float64
	GenesisTotalSupply() *big.Int
	IsInterfaceNil() bool
}

FeeHandler is able to perform some economics calculation on a provided transaction

type FloodPreventer

type FloodPreventer interface {
	IncreaseLoad(pid core.PeerID, size uint64) error
	ApplyConsensusSize(size int)
	Reset()
	IsInterfaceNil() bool
}

FloodPreventer defines the behavior of a component that is able to signal that too many events occurred on a provided identifier between Reset calls

type ForkDetector

type ForkDetector interface {
	AddHeader(header data.HeaderHandler, headerHash []byte, state BlockHeaderState, selfNotarizedHeaders []data.HeaderHandler, selfNotarizedHeadersHashes [][]byte) error
	RemoveHeader(nonce uint64, hash []byte)
	CheckFork() *ForkInfo
	GetHighestFinalBlockNonce() uint64
	GetHighestFinalBlockHash() []byte
	ProbableHighestNonce() uint64
	ResetFork()
	SetRollBackNonce(nonce uint64)
	RestoreToGenesis()
	GetNotarizedHeaderHash(nonce uint64) []byte
	ResetProbableHighestNonce()
	SetFinalToLastCheckpoint()
	IsInterfaceNil() bool
}

ForkDetector is an interface that defines the behaviour of a struct that is able to detect forks

type ForkInfo

type ForkInfo struct {
	IsDetected bool
	Nonce      uint64
	Round      uint64
	Hash       []byte
}

ForkInfo hold the data related to a detected fork

func NewForkInfo

func NewForkInfo() *ForkInfo

NewForkInfo creates a new ForkInfo object

type GasCost added in v1.1.12

type GasCost struct {
	BaseOperationCost BaseOperationCost
	BuiltInCost       BuiltInCost
}

GasCost holds all the needed gas costs for system smart contracts

type GasHandler

type GasHandler interface {
	Init()
	SetGasConsumed(gasConsumed uint64, hash []byte)
	SetGasRefunded(gasRefunded uint64, hash []byte)
	GasConsumed(hash []byte) uint64
	GasRefunded(hash []byte) uint64
	TotalGasConsumed() uint64
	TotalGasRefunded() uint64
	RemoveGasConsumed(hashes [][]byte)
	RemoveGasRefunded(hashes [][]byte)
	ComputeGasConsumedByMiniBlock(*block.MiniBlock, map[string]data.TransactionHandler) (uint64, uint64, error)
	ComputeGasConsumedByTx(txSenderShardId uint32, txReceiverShardId uint32, txHandler data.TransactionHandler) (uint64, uint64, error)
	IsInterfaceNil() bool
}

GasHandler is able to perform some gas calculation

type HashAccesser

type HashAccesser interface {
	SetHash([]byte)
	Hash() []byte
}

HashAccesser interface provides functionality over hashable objects

type HdrValidatorHandler

type HdrValidatorHandler interface {
	Hash() []byte
	HeaderHandler() data.HeaderHandler
}

HdrValidatorHandler defines the functionality that is needed for a HdrValidator to validate a header

type HeaderConstructionValidator

type HeaderConstructionValidator interface {
	IsHeaderConstructionValid(currHdr, prevHdr data.HeaderHandler) error
	IsInterfaceNil() bool
}

HeaderConstructionValidator provides functionality to verify header construction

type HeaderIntegrityVerifier added in v1.1.1

type HeaderIntegrityVerifier interface {
	Verify(header data.HeaderHandler) error
	GetVersion(epoch uint32) string
	IsInterfaceNil() bool
}

HeaderIntegrityVerifier is the interface needed to check that a header's integrity is correct

type HeaderValidator

type HeaderValidator interface {
	HeaderValidForProcessing(headerHandler HdrValidatorHandler) error
	IsInterfaceNil() bool
}

HeaderValidator can determine if a provided header handler is valid or not from the process point of view

type Indexer added in v1.1.29

type Indexer interface {
	SetTxLogsProcessor(txLogsProc TransactionLogProcessorDatabase)
	SaveBlock(args *indexer.ArgsSaveBlockData)
	RevertIndexedBlock(header data.HeaderHandler, body data.BodyHandler)
	SaveRoundsInfo(roundsInfos []*indexer.RoundInfo)
	UpdateTPS(tpsBenchmark statistics.TPSBenchmark)
	SaveValidatorsPubKeys(validatorsPubKeys map[uint32][][]byte, epoch uint32)
	SaveValidatorsRating(indexID string, infoRating []*indexer.ValidatorRatingInfo)
	SaveAccounts(blockTimestamp uint64, acc []state.UserAccountHandler)
	Close() error
	IsInterfaceNil() bool
	IsNilIndexer() bool
}

Indexer is an interface for saving node specific data to other storage. This could be an elastic search index, a MySql database or any other external services.

type InterceptedData

type InterceptedData interface {
	CheckValidity() error
	IsForCurrentShard() bool
	IsInterfaceNil() bool
	Hash() []byte
	Type() string
	Identifiers() [][]byte
	String() string
}

InterceptedData represents the interceptor's view of the received data

type InterceptedDataFactory

type InterceptedDataFactory interface {
	Create(buff []byte) (InterceptedData, error)
	IsInterfaceNil() bool
}

InterceptedDataFactory can create new instances of InterceptedData

type InterceptedDebugger added in v1.0.127

type InterceptedDebugger interface {
	LogReceivedHashes(topic string, hashes [][]byte)
	LogProcessedHashes(topic string, hashes [][]byte, err error)
	IsInterfaceNil() bool
}

InterceptedDebugger defines an interface for debugging the intercepted data

type InterceptedHeaderSigVerifier

type InterceptedHeaderSigVerifier interface {
	VerifyRandSeedAndLeaderSignature(header data.HeaderHandler) error
	VerifySignature(header data.HeaderHandler) error
	IsInterfaceNil() bool
}

InterceptedHeaderSigVerifier is the interface needed at interceptors level to check that a header's signature is correct

type Interceptor

type Interceptor interface {
	ProcessReceivedMessage(message p2p.MessageP2P, fromConnectedPeer core.PeerID) error
	SetInterceptedDebugHandler(handler InterceptedDebugger) error
	RegisterHandler(handler func(topic string, hash []byte, data interface{}))
	IsInterfaceNil() bool
}

Interceptor defines what a data interceptor should do It should also adhere to the p2p.MessageProcessor interface so it can wire to a p2p.Messenger

type InterceptorProcessor

type InterceptorProcessor interface {
	Validate(data InterceptedData, fromConnectedPeer core.PeerID) error
	Save(data InterceptedData, fromConnectedPeer core.PeerID, topic string) error
	RegisterHandler(handler func(topic string, hash []byte, data interface{}))
	IsInterfaceNil() bool
}

InterceptorProcessor further validates and saves received data

type InterceptorThrottler

type InterceptorThrottler interface {
	CanProcess() bool
	StartProcessing()
	EndProcessing()
	IsInterfaceNil() bool
}

InterceptorThrottler can monitor the number of the currently running interceptor go routines

type InterceptorsContainer

type InterceptorsContainer interface {
	Get(key string) (Interceptor, error)
	Add(key string, val Interceptor) error
	AddMultiple(keys []string, interceptors []Interceptor) error
	Replace(key string, val Interceptor) error
	Remove(key string)
	Len() int
	Iterate(handler func(key string, interceptor Interceptor) bool)
	IsInterfaceNil() bool
}

InterceptorsContainer defines an interceptors holder data type with basic functionality

type InterceptorsContainerFactory

type InterceptorsContainerFactory interface {
	Create() (InterceptorsContainer, error)
	IsInterfaceNil() bool
}

InterceptorsContainerFactory defines the functionality to create an interceptors container

type IntermediateProcessorContainer

type IntermediateProcessorContainer interface {
	Get(key block.Type) (IntermediateTransactionHandler, error)
	Add(key block.Type, val IntermediateTransactionHandler) error
	AddMultiple(keys []block.Type, preprocessors []IntermediateTransactionHandler) error
	Replace(key block.Type, val IntermediateTransactionHandler) error
	Remove(key block.Type)
	Len() int
	Keys() []block.Type
	IsInterfaceNil() bool
}

IntermediateProcessorContainer defines an IntermediateProcessor holder data type with basic functionality

type IntermediateProcessorsContainerFactory

type IntermediateProcessorsContainerFactory interface {
	Create() (IntermediateProcessorContainer, error)
	IsInterfaceNil() bool
}

IntermediateProcessorsContainerFactory defines the functionality to create an IntermediateProcessors container

type IntermediateTransactionHandler

type IntermediateTransactionHandler interface {
	AddIntermediateTransactions(txs []data.TransactionHandler) error
	GetNumOfCrossInterMbsAndTxs() (int, int)
	CreateAllInterMiniBlocks() []*block.MiniBlock
	VerifyInterMiniBlocks(body *block.Body) error
	SaveCurrentIntermediateTxToStorage() error
	GetAllCurrentFinishedTxs() map[string]data.TransactionHandler
	CreateBlockStarted()
	GetCreatedInShardMiniBlock() *block.MiniBlock
	RemoveProcessedResultsFor(txHashes [][]byte)
	IsInterfaceNil() bool
}

IntermediateTransactionHandler handles transactions which are not resolved in only one step

type MiniBlockProvider added in v1.0.104

type MiniBlockProvider interface {
	GetMiniBlocks(hashes [][]byte) ([]*MiniblockAndHash, [][]byte)
	GetMiniBlocksFromPool(hashes [][]byte) ([]*MiniblockAndHash, [][]byte)
	IsInterfaceNil() bool
}

MiniBlockProvider defines what a miniblock data provider should do

type MiniblockAndHash added in v1.0.111

type MiniblockAndHash struct {
	Miniblock *block.MiniBlock
	Hash      []byte
}

MiniblockAndHash holds the info related to a miniblock and its hash

type NetworkConnectionWatcher

type NetworkConnectionWatcher interface {
	IsConnectedToTheNetwork() bool
	IsInterfaceNil() bool
}

NetworkConnectionWatcher defines a watchdog functionality used to specify if the current node is still connected to the rest of the network

type NodesCoordinator added in v1.0.117

type NodesCoordinator interface {
	GetAllEligibleValidatorsPublicKeys(epoch uint32) (map[uint32][][]byte, error)
	GetAllWaitingValidatorsPublicKeys(epoch uint32) (map[uint32][][]byte, error)
	GetAllLeavingValidatorsPublicKeys(epoch uint32) (map[uint32][][]byte, error)
	IsInterfaceNil() bool
}

NodesCoordinator provides Validator methods needed for the peer processing

type P2PAntifloodHandler

type P2PAntifloodHandler interface {
	CanProcessMessage(message p2p.MessageP2P, fromConnectedPeer core.PeerID) error
	CanProcessMessagesOnTopic(pid core.PeerID, topic string, numMessages uint32, totalSize uint64, sequence []byte) error
	ApplyConsensusSize(size int)
	SetDebugger(debugger AntifloodDebugger) error
	BlacklistPeer(peer core.PeerID, reason string, duration time.Duration)
	IsOriginatorEligibleForTopic(pid core.PeerID, topic string) error
	IsInterfaceNil() bool
}

P2PAntifloodHandler defines the behavior of a component able to signal that the system is too busy (or flooded) processing p2p messages

type PayableHandler added in v1.1.3

type PayableHandler interface {
	IsPayable(address []byte) (bool, error)
	IsInterfaceNil() bool
}

PayableHandler provides IsPayable function which returns if an account is payable or not

type PeerBlackListCacher added in v1.0.133

type PeerBlackListCacher interface {
	Upsert(pid core.PeerID, span time.Duration) error
	Has(pid core.PeerID) bool
	Sweep()
	IsInterfaceNil() bool
}

PeerBlackListCacher can determine if a certain peer id is or not blacklisted

type PeerChangesHandler

type PeerChangesHandler interface {
	PeerChanges() []block.PeerData
	VerifyPeerChanges(peerChanges []block.PeerData) error
	IsInterfaceNil() bool
}

PeerChangesHandler will create the peer changes data for current block and will verify them

type PeerShardMapper added in v1.0.133

type PeerShardMapper interface {
	GetPeerInfo(pid core.PeerID) core.P2PPeerInfo
	IsInterfaceNil() bool
}

PeerShardMapper can return the public key of a provided peer ID

type PeerValidatorMapper added in v1.0.133

type PeerValidatorMapper interface {
	GetPeerInfo(pid core.PeerID) core.P2PPeerInfo
	IsInterfaceNil() bool
}

PeerValidatorMapper can determine the peer info from a peer id

type PendingMiniBlocksHandler

type PendingMiniBlocksHandler interface {
	AddProcessedHeader(handler data.HeaderHandler) error
	RevertHeader(handler data.HeaderHandler) error
	GetPendingMiniBlocks(shardID uint32) [][]byte
	SetPendingMiniBlocks(shardID uint32, mbHashes [][]byte)
	IsInterfaceNil() bool
}

PendingMiniBlocksHandler is an interface to keep unfinalized miniblocks

type PoolsCleaner

type PoolsCleaner interface {
	Close() error
	StartCleaning()
	IsInterfaceNil() bool
}

PoolsCleaner defines the functionality to clean pools for old records

type PreProcessor

type PreProcessor interface {
	CreateBlockStarted()
	IsDataPrepared(requestedTxs int, haveTime func() time.Duration) error

	RemoveBlockDataFromPools(body *block.Body, miniBlockPool storage.Cacher) error
	RemoveTxsFromPools(body *block.Body) error
	RestoreBlockDataIntoPools(body *block.Body, miniBlockPool storage.Cacher) (int, error)
	SaveTxsToStorage(body *block.Body) error

	ProcessBlockTransactions(body *block.Body, haveTime func() bool) error
	RequestBlockTransactions(body *block.Body) int

	RequestTransactionsForMiniBlock(miniBlock *block.MiniBlock) int
	ProcessMiniBlock(miniBlock *block.MiniBlock, haveTime func() bool, getNumOfCrossInterMbsAndTxs func() (int, int)) ([][]byte, int, error)
	CreateAndProcessMiniBlocks(haveTime func() bool) (block.MiniBlockSlice, error)

	GetAllCurrentUsedTxs() map[string]data.TransactionHandler
	IsInterfaceNil() bool
}

PreProcessor is an interface used to prepare and process transaction data

type PreProcessorsContainer

type PreProcessorsContainer interface {
	Get(key block.Type) (PreProcessor, error)
	Add(key block.Type, val PreProcessor) error
	AddMultiple(keys []block.Type, preprocessors []PreProcessor) error
	Replace(key block.Type, val PreProcessor) error
	Remove(key block.Type)
	Len() int
	Keys() []block.Type
	IsInterfaceNil() bool
}

PreProcessorsContainer defines an PreProcessors holder data type with basic functionality

type PreProcessorsContainerFactory

type PreProcessorsContainerFactory interface {
	Create() (PreProcessorsContainer, error)
	IsInterfaceNil() bool
}

PreProcessorsContainerFactory defines the functionality to create an PreProcessors container

type RatingChanceHandler added in v0.0.5

type RatingChanceHandler interface {
	//GetMaxThreshold returns the threshold until this ChancePercentage holds
	GetMaxThreshold() uint32
	//GetChancePercentage returns the percentage for the RatingChanceHandler
	GetChancePercentage() uint32
	//IsInterfaceNil verifies if the interface is nil
	IsInterfaceNil() bool
}

RatingChanceHandler provides the methods needed for the computation of chances from the Rating

type RatingsInfoHandler added in v0.0.5

type RatingsInfoHandler interface {
	StartRating() uint32
	MaxRating() uint32
	MinRating() uint32
	SignedBlocksThreshold() float32
	MetaChainRatingsStepHandler() RatingsStepHandler
	ShardChainRatingsStepHandler() RatingsStepHandler
	SelectionChances() []SelectionChance
	IsInterfaceNil() bool
}

RatingsInfoHandler defines the information needed for the rating computation

type RatingsStepHandler added in v0.0.5

type RatingsStepHandler interface {
	ProposerIncreaseRatingStep() int32
	ProposerDecreaseRatingStep() int32
	ValidatorIncreaseRatingStep() int32
	ValidatorDecreaseRatingStep() int32
	ConsecutiveMissedBlocksPenalty() float32
}

RatingsStepHandler defines the information needed for the rating computation on shards or meta

type RequestBlockBodyHandler

type RequestBlockBodyHandler interface {
	GetBlockBodyFromPool(headerHandler data.HeaderHandler) (data.BodyHandler, error)
}

RequestBlockBodyHandler is the interface needed by process block

type RequestHandler

type RequestHandler interface {
	SetEpoch(epoch uint32)
	RequestShardHeader(shardID uint32, hash []byte)
	RequestMetaHeader(hash []byte)
	RequestMetaHeaderByNonce(nonce uint64)
	RequestShardHeaderByNonce(shardID uint32, nonce uint64)
	RequestTransaction(destShardID uint32, txHashes [][]byte)
	RequestUnsignedTransactions(destShardID uint32, scrHashes [][]byte)
	RequestRewardTransactions(destShardID uint32, txHashes [][]byte)
	RequestMiniBlock(destShardID uint32, miniblockHash []byte)
	RequestMiniBlocks(destShardID uint32, miniblocksHashes [][]byte)
	RequestTrieNodes(destShardID uint32, hashes [][]byte, topic string)
	RequestStartOfEpochMetaBlock(epoch uint32)
	RequestInterval() time.Duration
	SetNumPeersToQuery(key string, intra int, cross int) error
	GetNumPeersToQuery(key string) (int, int, error)
	IsInterfaceNil() bool
}

RequestHandler defines the methods through which request to data can be made

type RequiredDataPool

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

RequiredDataPool represents a structure that can hold a list of required data. Any time one of the expected hash value is received, the associated bit in the receivedBitmap property is set to 1. All of the data is considered received when the ones count of the received bitmap is equal to the expected data length

func (*RequiredDataPool) ExpectedData

func (rh *RequiredDataPool) ExpectedData() [][]byte

ExpectedData returns the RequiredDataPool's expected data

func (*RequiredDataPool) ReceivedAll

func (rh *RequiredDataPool) ReceivedAll() bool

ReceivedAll will return true if the count of ones in the bitmap is greater or equal to the expected data length

func (*RequiredDataPool) SetHashes

func (rh *RequiredDataPool) SetHashes(hashes [][]byte)

SetHashes sets the expected data to the passed hashes parameter. The bitmap is also reset and adapted to the length of the new expected data

func (*RequiredDataPool) SetReceivedHash

func (rh *RequiredDataPool) SetReceivedHash(hash []byte)

SetReceivedHash finds the hash in the expected values and sets the appropriate bit to 1. Nothing will happen if the hash is not actually expected

type RewardTransactionPreProcessor

type RewardTransactionPreProcessor interface {
	AddComputedRewardMiniBlocks(computedRewardMiniblocks block.MiniBlockSlice)
	IsInterfaceNil() bool
}

RewardTransactionPreProcessor prepares the processing of reward transactions

type RewardTransactionProcessor

type RewardTransactionProcessor interface {
	ProcessRewardTransaction(rewardTx *rewardTx.RewardTx) error
	IsInterfaceNil() bool
}

RewardTransactionProcessor is the interface for reward transaction execution engine

type RewardsCreator added in v1.1.15

type RewardsCreator interface {
	CreateRewardsMiniBlocks(
		metaBlock *block.MetaBlock, validatorsInfo map[uint32][]*state.ValidatorInfo, computedEconomics *block.Economics,
	) (block.MiniBlockSlice, error)
	VerifyRewardsMiniBlocks(
		metaBlock *block.MetaBlock, validatorsInfo map[uint32][]*state.ValidatorInfo, computedEconomics *block.Economics,
	) error
	GetProtocolSustainabilityRewards() *big.Int
	GetLocalTxCache() epochStart.TransactionCacher
	CreateMarshalizedData(body *block.Body) map[string][][]byte
	GetRewardsTxs(body *block.Body) map[string]data.TransactionHandler
	SaveTxBlockToStorage(metaBlock *block.MetaBlock, body *block.Body)
	DeleteTxsFromStorage(metaBlock *block.MetaBlock, body *block.Body)
	RemoveBlockDataFromPools(metaBlock *block.MetaBlock, body *block.Body)
	IsInterfaceNil() bool
}

RewardsCreator defines the functionality for the metachain to create rewards at end of epoch

type RewardsHandler

type RewardsHandler interface {
	LeaderPercentage() float64
	ProtocolSustainabilityPercentage() float64
	ProtocolSustainabilityAddress() string
	MinInflationRate() float64
	MaxInflationRate(year uint32) float64
	RewardsTopUpGradientPoint() *big.Int
	RewardsTopUpFactor() float64
	IsInterfaceNil() bool
}

RewardsHandler will return information about rewards

type RoundTimeDurationHandler

type RoundTimeDurationHandler interface {
	TimeDuration() time.Duration
	IsInterfaceNil() bool
}

RoundTimeDurationHandler defines the methods to get the time duration of a round

type Rounder

type Rounder interface {
	Index() int64
	IsInterfaceNil() bool
}

Rounder defines the actions which should be handled by a round implementation

type SCQuery

type SCQuery struct {
	ScAddress  []byte
	FuncName   string
	CallerAddr []byte
	CallValue  *big.Int
	Arguments  [][]byte
}

SCQuery represents a prepared query for executing a function of the smart contract

type SCQueryService

type SCQueryService interface {
	ExecuteQuery(query *SCQuery) (*vmcommon.VMOutput, error)
	ComputeScCallGasLimit(tx *transaction.Transaction) (uint64, error)
	IsInterfaceNil() bool
}

SCQueryService defines how data should be get from a SC account

type SelectionChance

type SelectionChance interface {
	GetMaxThreshold() uint32
	GetChancePercent() uint32
}

SelectionChance defines the actions which should be handled by a round implementation

type SigVerifier

type SigVerifier interface {
	VerifySig() error
}

SigVerifier provides functionality to verify a signature of a signed data structure that holds also the verifying parameters

type SignedDataValidator

type SignedDataValidator interface {
	SigVerifier
	Checker
}

SignedDataValidator provides functionality to check the validity and signature of a data structure

type SmartContractProcessor

type SmartContractProcessor interface {
	ExecuteSmartContractTransaction(tx data.TransactionHandler, acntSrc, acntDst state.UserAccountHandler) (vmcommon.ReturnCode, error)
	ExecuteBuiltInFunction(tx data.TransactionHandler, acntSrc, acntDst state.UserAccountHandler) (vmcommon.ReturnCode, error)
	DeploySmartContract(tx data.TransactionHandler, acntSrc state.UserAccountHandler) (vmcommon.ReturnCode, error)
	ProcessIfError(acntSnd state.UserAccountHandler, txHash []byte, tx data.TransactionHandler, returnCode string, returnMessage []byte, snapshot int, gasLocked uint64) error
	IsPayable(address []byte) (bool, error)
	IsInterfaceNil() bool
}

SmartContractProcessor is the main interface for the smart contract caller engine

type SmartContractResultProcessor

type SmartContractResultProcessor interface {
	ProcessSmartContractResult(scr *smartContractResult.SmartContractResult) (vmcommon.ReturnCode, error)
	IsInterfaceNil() bool
}

SmartContractResultProcessor is the main interface for smart contract result execution engine

type SmartContractToProtocolHandler

type SmartContractToProtocolHandler interface {
	UpdateProtocol(body *block.Body, nonce uint64) error
	IsInterfaceNil() bool
}

SmartContractToProtocolHandler is able to translate data from smart contract state into protocol changes

type StorageArgumentsParser added in v1.0.133

type StorageArgumentsParser interface {
	CreateDataFromStorageUpdate(storageUpdates []*vmcommon.StorageUpdate) string
	GetStorageUpdates(data string) ([]*vmcommon.StorageUpdate, error)
	IsInterfaceNil() bool
}

StorageArgumentsParser defines the functionality to parse transaction data into call arguments

type TimeCacher added in v1.0.133

type TimeCacher interface {
	Add(key string) error
	Upsert(key string, span time.Duration) error
	Has(key string) bool
	Sweep()
	Len() int
	IsInterfaceNil() bool
}

TimeCacher defines the cache that can keep a record for a bounded time

type TopicFloodPreventer

type TopicFloodPreventer interface {
	IncreaseLoad(pid core.PeerID, topic string, numMessages uint32) error
	ResetForTopic(topic string)
	ResetForNotRegisteredTopics()
	SetMaxMessagesForTopic(topic string, maxNum uint32)
	IsInterfaceNil() bool
}

TopicFloodPreventer defines the behavior of a component that is able to signal that too many events occurred on a provided identifier between Reset calls, on a given topic

type TopicHandler

type TopicHandler interface {
	HasTopic(name string) bool
	CreateTopic(name string, createChannelForTopic bool) error
	RegisterMessageProcessor(topic string, handler p2p.MessageProcessor) error
	ID() core.PeerID
	IsInterfaceNil() bool
}

TopicHandler defines the functionality needed by structs to manage topics and message processors

type TransactionCoordinator

type TransactionCoordinator interface {
	RequestMiniBlocks(header data.HeaderHandler)
	RequestBlockTransactions(body *block.Body)
	IsDataPreparedForProcessing(haveTime func() time.Duration) error

	SaveTxsToStorage(body *block.Body) error
	RestoreBlockDataFromStorage(body *block.Body) (int, error)
	RemoveBlockDataFromPool(body *block.Body) error
	RemoveTxsFromPool(body *block.Body) error

	ProcessBlockTransaction(body *block.Body, haveTime func() time.Duration) error

	CreateBlockStarted()
	CreateMbsAndProcessCrossShardTransactionsDstMe(
		header data.HeaderHandler,
		processedMiniBlocksHashes map[string]struct{},

		haveTime func() bool,
	) (block.MiniBlockSlice, uint32, bool, error)
	CreateMbsAndProcessTransactionsFromMe(haveTime func() bool) block.MiniBlockSlice
	CreatePostProcessMiniBlocks() block.MiniBlockSlice
	CreateMarshalizedData(body *block.Body) map[string][][]byte
	GetAllCurrentUsedTxs(blockType block.Type) map[string]data.TransactionHandler

	CreateReceiptsHash() ([]byte, error)
	VerifyCreatedBlockTransactions(hdr data.HeaderHandler, body *block.Body) error
	CreateMarshalizedReceipts() ([]byte, error)
	VerifyCreatedMiniBlocks(hdr data.HeaderHandler, body *block.Body) error
	IsInterfaceNil() bool
}

TransactionCoordinator is an interface to coordinate transaction processing using multiple processors

type TransactionFeeCalculator added in v1.1.18

type TransactionFeeCalculator interface {
	ComputeGasUsedAndFeeBasedOnRefundValue(tx TransactionWithFeeHandler, refundValue *big.Int) (uint64, *big.Int)
	ComputeTxFeeBasedOnGasUsed(tx TransactionWithFeeHandler, gasUsed uint64) *big.Int
	ComputeGasLimit(tx TransactionWithFeeHandler) uint64
	IsInterfaceNil() bool
}

TransactionFeeCalculator is able to calculated fee of a transaction

type TransactionFeeHandler

type TransactionFeeHandler interface {
	CreateBlockStarted()
	GetAccumulatedFees() *big.Int
	GetDeveloperFees() *big.Int
	ProcessTransactionFee(cost *big.Int, devFee *big.Int, txHash []byte)
	RevertFees(txHashes [][]byte)
	IsInterfaceNil() bool
}

TransactionFeeHandler processes the transaction fee

type TransactionLogProcessor added in v1.0.104

type TransactionLogProcessor interface {
	GetLog(txHash []byte) (data.LogHandler, error)
	SaveLog(txHash []byte, tx data.TransactionHandler, vmLogs []*vmcommon.LogEntry) error
	IsInterfaceNil() bool
}

TransactionLogProcessor is the main interface for saving logs generated by smart contract calls

type TransactionLogProcessorDatabase added in v1.0.114

type TransactionLogProcessorDatabase interface {
	GetLogFromCache(txHash []byte) (data.LogHandler, bool)
	EnableLogToBeSavedInCache()
	Clean()
	IsInterfaceNil() bool
}

TransactionLogProcessorDatabase is interface the for saving logs also in RAM

type TransactionProcessor

type TransactionProcessor interface {
	ProcessTransaction(transaction *transaction.Transaction) (vmcommon.ReturnCode, error)
	IsInterfaceNil() bool
}

TransactionProcessor is the main interface for transaction execution engine

type TransactionType

type TransactionType int

TransactionType specifies the type of the transaction

const (
	// MoveBalance defines ID of a payment transaction - moving balances
	MoveBalance TransactionType = iota
	// SCDeployment defines ID of a transaction to store a smart contract
	SCDeployment
	// SCInvoking defines ID of a transaction of type smart contract call
	SCInvoking
	// BuiltInFunctionCall defines ID of a builtin function call
	BuiltInFunctionCall
	// RelayedTx defines ID of a transaction of type relayed
	RelayedTx
	// RewardTx defines ID of a reward transaction
	RewardTx
	// InvalidTransaction defines unknown transaction type
	InvalidTransaction
)

type TransactionVerifier

type TransactionVerifier interface {
	IsTransactionValid(tx data.TransactionHandler) error
}

TransactionVerifier interface validates if the transaction is good and if it should be processed

type TransactionWithFeeHandler

type TransactionWithFeeHandler interface {
	GetGasLimit() uint64
	GetGasPrice() uint64
	GetData() []byte
	GetRcvAddr() []byte
	GetValue() *big.Int
}

TransactionWithFeeHandler represents a transaction structure that has economics variables defined

type TxGasHandler added in v1.1.15

type TxGasHandler interface {
	SplitTxGasInCategories(tx TransactionWithFeeHandler) (uint64, uint64)
	GasPriceForProcessing(tx TransactionWithFeeHandler) uint64
	GasPriceForMove(tx TransactionWithFeeHandler) uint64
	MinGasPrice() uint64
	MinGasLimit() uint64
	MinGasPriceForProcessing() uint64
	IsInterfaceNil() bool
}

TxGasHandler handles a transaction gas and gas cost

type TxTypeHandler

type TxTypeHandler interface {
	ComputeTransactionType(tx data.TransactionHandler) (TransactionType, TransactionType)
	IsInterfaceNil() bool
}

TxTypeHandler is an interface to calculate the transaction type

type TxValidator

type TxValidator interface {
	CheckTxValidity(txHandler TxValidatorHandler) error
	CheckTxWhiteList(data InterceptedData) error
	IsInterfaceNil() bool
}

TxValidator can determine if a provided transaction handler is valid or not from the process point of view

type TxValidatorHandler

type TxValidatorHandler interface {
	SenderShardId() uint32
	ReceiverShardId() uint32
	Nonce() uint64
	SenderAddress() []byte
	Fee() *big.Int
}

TxValidatorHandler defines the functionality that is needed for a TxValidator to validate a transaction

type TxVersionCheckerHandler added in v1.1.12

type TxVersionCheckerHandler interface {
	IsSignedWithHash(tx *transaction.Transaction) bool
	CheckTxVersion(tx *transaction.Transaction) error
	IsInterfaceNil() bool
}

TxVersionCheckerHandler defines the functionality that is needed for a TxVersionChecker to validate transaction version

type ValidatorInfoSyncer added in v1.0.102

type ValidatorInfoSyncer interface {
	SyncMiniBlocks(metaBlock *block.MetaBlock) ([][]byte, data.BodyHandler, error)
	IsInterfaceNil() bool
}

ValidatorInfoSyncer defines the method needed for validatorInfoProcessing

type ValidatorStatisticsProcessor

type ValidatorStatisticsProcessor interface {
	UpdatePeerState(header data.HeaderHandler, cache map[string]data.HeaderHandler) ([]byte, error)
	RevertPeerState(header data.HeaderHandler) error
	Process(shardValidatorInfo data.ShardValidatorInfoHandler) error
	IsInterfaceNil() bool
	RootHash() ([]byte, error)
	ResetValidatorStatisticsAtNewEpoch(vInfos map[uint32][]*state.ValidatorInfo) error
	GetValidatorInfoForRootHash(rootHash []byte) (map[uint32][]*state.ValidatorInfo, error)
	ProcessRatingsEndOfEpoch(validatorInfos map[uint32][]*state.ValidatorInfo, epoch uint32) error
	Commit() ([]byte, error)
	DisplayRatings(epoch uint32)
	SetLastFinalizedRootHash([]byte)
	LastFinalizedRootHash() []byte
	PeerAccountToValidatorInfo(peerAccount state.PeerAccountHandler) *state.ValidatorInfo
	SaveNodesCoordinatorUpdates(epoch uint32) (bool, error)
}

ValidatorStatisticsProcessor is the main interface for validators' consensus participation statistics

type ValidatorsProvider added in v0.0.5

type ValidatorsProvider interface {
	GetLatestValidators() map[string]*state.ValidatorApiResponse
	IsInterfaceNil() bool
}

ValidatorsProvider is the main interface for validators' provider

type ValidityAttester

type ValidityAttester interface {
	CheckBlockAgainstFinal(headerHandler data.HeaderHandler) error
	CheckBlockAgainstRounder(headerHandler data.HeaderHandler) error
	CheckBlockAgainstWhitelist(interceptedData InterceptedData) bool
	IsInterfaceNil() bool
}

ValidityAttester is able to manage the valid blocks

type VirtualMachinesContainer

type VirtualMachinesContainer interface {
	Close() error
	Get(key []byte) (vmcommon.VMExecutionHandler, error)
	Add(key []byte, val vmcommon.VMExecutionHandler) error
	AddMultiple(keys [][]byte, vms []vmcommon.VMExecutionHandler) error
	Replace(key []byte, val vmcommon.VMExecutionHandler) error
	Remove(key []byte)
	Len() int
	Keys() [][]byte
	IsInterfaceNil() bool
}

VirtualMachinesContainer defines a virtual machine holder data type with basic functionality

type VirtualMachinesContainerFactory

type VirtualMachinesContainerFactory interface {
	Create() (VirtualMachinesContainer, error)
	BlockChainHookImpl() BlockChainHookHandler
	IsInterfaceNil() bool
}

VirtualMachinesContainerFactory defines the functionality to create a virtual machine container

type WhiteListHandler added in v1.0.102

type WhiteListHandler interface {
	Remove(keys [][]byte)
	Add(keys [][]byte)
	IsWhiteListed(interceptedData InterceptedData) bool
	IsInterfaceNil() bool
}

WhiteListHandler is the interface needed to add whitelisted data

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