core

package
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Published: Jun 17, 2021 License: GPL-3.0 Imports: 22 Imported by: 0

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Index

Constants

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const (
	// StorerOrder defines the order of storers to be notified of a start of epoch event
	StorerOrder = iota
	// NodesCoordinatorOrder defines the order in which NodesCoordinator is notified of a start of epoch event
	NodesCoordinatorOrder
	// ConsensusOrder defines the order in which Consensus is notified of a start of epoch event
	ConsensusOrder
	// NetworkShardingOrder defines the order in which the network sharding subsystem is notified of a start of epoch event
	NetworkShardingOrder
	// IndexerOrder defines the order in which Indexer is notified of a start of epoch event
	IndexerOrder
	// NetStatisticsOrder defines the order in which netStatistic component is notified of a start of epoch event
	NetStatisticsOrder
)
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const AdditionalScrForEachScCallOrSpecialTx = 3

AdditionalScrForEachScCallOrSpecialTx specifies the additional number of smart contract results which should be considered by a node, when it includes sc calls or special txs in a miniblock. Ex.: normal txs -> aprox. 27000, sc calls or special txs -> aprox. 6250 = 27000 / (AdditionalScrForEachScCallOrSpecialTx + 1), considering that constant below is set to 3

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const AllShardId = uint32(0xFFFFFFF0)

AllShardId will be used to identify that a message is for all shards

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const AsyncCallStepField = "AsyncCallStep"

AsyncCallStepField is the field name for the gas cost for any of the two steps required to execute an async call

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const AsyncCallbackGasLockField = "AsyncCallbackGasLock"

AsyncCallbackGasLockField is the field name for the gas amount to be locked before executing the destination async call, to be put aside for the async callback

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const BaseOperationCost = "BaseOperationCost"

BaseOperationCost represents the field name for base operation costs

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const BuiltInCost = "BuiltInCost"

BuiltInCost represents the field name for built in operation costs

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const BuiltInFunctionChangeOwnerAddress = "ChangeOwnerAddress"

BuiltInFunctionChangeOwnerAddress is the key for the change owner built in function built-in function

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const BuiltInFunctionClaimDeveloperRewards = "ClaimDeveloperRewards"

BuiltInFunctionClaimDeveloperRewards is the key for the claim developer rewards built-in function

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const BuiltInFunctionESDTBurn = "ESDTBurn"

BuiltInFunctionESDTBurn is the key for the elrond standard digital token burn built-in function

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const BuiltInFunctionESDTFreeze = "ESDTFreeze"

BuiltInFunctionESDTFreeze is the key for the elrond standard digital token freeze built-in function

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const BuiltInFunctionESDTLocalBurn = "ESDTLocalBurn"

BuiltInFunctionESDTLocalBurn is the key for the elrond standard digital token local burn built-in function

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const BuiltInFunctionESDTLocalMint = "ESDTLocalMint"

BuiltInFunctionESDTLocalMint is the key for the elrond standard digital token local mint built-in function

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const BuiltInFunctionESDTNFTAddQuantity = "ESDTNFTAddQuantity"

BuiltInFunctionESDTNFTAddQuantity is the key for the elrond standard digital token NFT add quantity built-in function

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const BuiltInFunctionESDTNFTBurn = "ESDTNFTBurn"

BuiltInFunctionESDTNFTBurn is the key for the elrond standard digital token NFT burn built-in function

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const BuiltInFunctionESDTNFTCreate = "ESDTNFTCreate"

BuiltInFunctionESDTNFTCreate is the key for the elrond standard digital token NFT create built-in function

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const BuiltInFunctionESDTNFTCreateRoleTransfer = "ESDTNFTCreateRoleTransfer"

BuiltInFunctionESDTNFTCreateRoleTransfer is the key for the elrond standard digital token create role transfer function

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const BuiltInFunctionESDTNFTTransfer = "ESDTNFTTransfer"

BuiltInFunctionESDTNFTTransfer is the key for the elrond standard digital token NFT transfer built-in function

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const BuiltInFunctionESDTPause = "ESDTPause"

BuiltInFunctionESDTPause is the key for the elrond standard digital token pause built-in function

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const BuiltInFunctionESDTTransfer = "ESDTTransfer"

BuiltInFunctionESDTTransfer is the key for the elrond standard digital token transfer built-in function

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const BuiltInFunctionESDTUnFreeze = "ESDTUnFreeze"

BuiltInFunctionESDTUnFreeze is the key for the elrond standard digital token unfreeze built-in function

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const BuiltInFunctionESDTUnPause = "ESDTUnPause"

BuiltInFunctionESDTUnPause is the key for the elrond standard digital token unpause built-in function

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const BuiltInFunctionESDTWipe = "ESDTWipe"

BuiltInFunctionESDTWipe is the key for the elrond standard digital token wipe built-in function

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const BuiltInFunctionSaveKeyValue = "SaveKeyValue"

BuiltInFunctionSaveKeyValue is the key for the save key value built-in function

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const BuiltInFunctionSetESDTRole = "ESDTSetRole"

BuiltInFunctionSetESDTRole is the key for the elrond standard digital token set built-in function

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const BuiltInFunctionSetUserName = "SetUserName"

BuiltInFunctionSetUserName is the key for the set user name built-in function

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const BuiltInFunctionUnSetESDTRole = "ESDTUnSetRole"

BuiltInFunctionUnSetESDTRole is the key for the elrond standard digital token unset built-in function

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const CombinedPeerType = "%s (%s)"

CombinedPeerType - represents the combination of two peerTypes

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const CommitMaxTime = 3 * time.Second

CommitMaxTime represents max time accepted for a commit action, after which a warn message is displayed

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const ConsensusTopic = "consensus"

ConsensusTopic is the topic used in consensus algorithm

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const DefaultLogProfileIdentifier = "[default log profile]"

DefaultLogProfileIdentifier represents the default log profile used when the logviewer/termui applications do not need to change the current logging profile

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const DefaultUnstakedEpoch = math.MaxUint32

DefaultUnstakedEpoch represents the default epoch that is set for a validator that has not unstaked yet

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const DelegationSystemSCKey = "delegation"

DelegationSystemSCKey is the key under which there is data in case of system delegation smart contracts

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const DisabledShardIDAsObserver = uint32(0xFFFFFFFF) - 7

DisabledShardIDAsObserver defines the uint32 identifier which tells that the node hasn't configured any preferred shard to start in as observer

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const ESDTKeyIdentifier = "esdt"

ESDTKeyIdentifier is the key prefix for esdt tokens

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const ESDTNFTLatestNonceIdentifier = "nonce"

ESDTNFTLatestNonceIdentifier is the key prefix for esdt latest nonce identifier

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const ESDTRoleIdentifier = "role"

ESDTRoleIdentifier is the key prefix for esdt role identifier

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const ESDTRoleLocalBurn = "ESDTRoleLocalBurn"

ESDTRoleLocalBurn is the constant string for the local role of burn for ESDT tokens

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const ESDTRoleLocalMint = "ESDTRoleLocalMint"

ESDTRoleLocalMint is the constant string for the local role of mint for ESDT tokens

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const ESDTRoleNFTAddQuantity = "ESDTRoleNFTAddQuantity"

ESDTRoleNFTAddQuantity is the constant string for the local role of adding quantity for existing ESDT NFT tokens

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const ESDTRoleNFTBurn = "ESDTRoleNFTBurn"

ESDTRoleNFTBurn is the constant string for the local role of burn for ESDT NFT tokens

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const ESDTRoleNFTCreate = "ESDTRoleNFTCreate"

ESDTRoleNFTCreate is the constant string for the local role of create for ESDT NFT tokens

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const ElrondAPICost = "ElrondAPICost"

ElrondAPICost represents the field name of the Elrond SC API (EEI) gas costs

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const ElrondProtectedKeyPrefix = "ELROND"

ElrondProtectedKeyPrefix is the key prefix which is protected from writing in the trie - only for special builtin functions

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const ExtraDelayBetweenBroadcastMbsAndTxs = 1 * time.Second

ExtraDelayBetweenBroadcastMbsAndTxs represents the number of seconds to wait since miniblocks have been broadcast and the moment when theirs transactions would be broadcast too

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const ExtraDelayForBroadcastBlockInfo = 1 * time.Second

ExtraDelayForBroadcastBlockInfo represents the number of seconds to wait since a block has been broadcast and the moment when its components, like mini blocks and transactions, would be broadcast too

ExtraDelayForRequestBlockInfo represents the number of seconds to wait since a block has been received and the moment when its components, like mini blocks and transactions, would be requested too if they are still missing

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const FileModeUserReadWrite = 0600

FileModeUserReadWrite represents the permission for a file which allows the user for reading and writing

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const FungibleESDT = "FungibleESDT"

FungibleESDT defines the string for the token type of fungible ESDT

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const HeartbeatTopic = "heartbeat"

HeartbeatTopic is the topic used for heartbeat signaling

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const HighestRoundFromBootStorage = "highestRoundFromBootStorage"

HighestRoundFromBootStorage is the key for the highest round that is saved in storage

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const ImportComplete = "importComplete"

ImportComplete signals that a node restart will be done because the import did complete

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const InvalidMessageBlacklistDuration = time.Second * 3600

InvalidMessageBlacklistDuration represents the time to keep a peer in the black list if it sends a message that does not follow the protocol: example not useing the same marshaler as the other peers

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const LastNonceKeyMetricsStorage = "lastNonce"

LastNonceKeyMetricsStorage holds the key used for storing the last nonce for stored metrics

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const MaxBulkTransactionSize = 1 << 18 //256KB bulks

MaxBulkTransactionSize specifies the maximum size of one bulk with txs which can be send over the network TODO convert this const into a var and read it from config when this code moves to another binary

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const MaxLeafSize = uint64(1<<18) + uint64(1<<19) //786KB

MaxLeafSize represents maximum amount of data which can be saved under one leaf

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const MaxLenForESDTIssueMint = 100

MaxLenForESDTIssueMint defines the maximum length in bytes for the issued/minted balance

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const MaxNumShards = 256

MaxNumShards represents the maximum number of shards possible in the system

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const MaxRetriesToCreateDB = 10

MaxRetriesToCreateDB represents the maximum number of times to try to create DB if it failed

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const MaxRoundsWithoutCommittedStartInEpochBlock = 50

MaxRoundsWithoutCommittedStartInEpochBlock defines the maximum rounds to wait for start in epoch block to be committed, before a special action to be applied

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const MaxRoyalty = uint32(10000)

MaxRoyalty defines 100% as uint32

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const MaxSoftwareVersionLengthInBytes = 10

MaxSoftwareVersionLengthInBytes represents the maximum length for the software version to be saved in block header

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const MaxTxNonceDeltaAllowed = 30000

MaxTxNonceDeltaAllowed specifies the maximum difference between an account's nonce and a received transaction's nonce in order to mark the transaction as valid.

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const MaxUserNameLength = 32

MaxUserNameLength represents the maximum number of bytes a UserName can have

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const MaxWaitingTimeToReceiveRequestedItem = 5 * time.Second

MaxWaitingTimeToReceiveRequestedItem represents the maximum waiting time in seconds needed to receive the requested items

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const MeasurementsLoggerFormat = "%.4fs"

MeasurementsLoggerFormat contains the formatting string to output elapsed time in seconds in a consistent way

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const MegabyteSize = 1024 * 1024

MegabyteSize represents the size in bytes of a megabyte

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const MetaChainSystemSCsCost = "MetaChainSystemSCsCost"

MetaChainSystemSCsCost represents the field name for metachain system smart contract operation costs

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const MetachainShardId = uint32(0xFFFFFFFF)

MetachainShardId will be used to identify a shard ID as metachain

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const MetricAppVersion = "erd_app_version"

MetricAppVersion is the metric for the current app version

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const MetricAverageBlockTxCount = "erd_average_block_tx_count"

MetricAverageBlockTxCount holds the average count of transactions in a block

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const MetricChainId = "erd_chain_id"

MetricChainId is the metric that specifies current chain id

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const MetricConnectedNodes = "erd_connected_nodes"

MetricConnectedNodes is the metric for monitoring total connected nodes on the network

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const MetricConsensusGroupSize = "erd_consensus_group_size"

MetricConsensusGroupSize is the metric for consensus group size for the current shard/meta

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const MetricConsensusRoundState = "erd_consensus_round_state"

MetricConsensusRoundState is the metric for consensus round state for a block

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const MetricConsensusState = "erd_consensus_state"

MetricConsensusState is the metric for consensus state of node proposer,participant or not consensus group

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const MetricCountAcceptedBlocks = "erd_count_accepted_blocks"

MetricCountAcceptedBlocks is the metric for monitoring number of blocks that was accepted proposed by a node

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const MetricCountConsensus = "erd_count_consensus"

MetricCountConsensus is the metric for monitoring number of rounds when a node was in consensus group

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const MetricCountConsensusAcceptedBlocks = "erd_count_consensus_accepted_blocks"

MetricCountConsensusAcceptedBlocks is the metric for monitoring number of blocks accepted when the node was in consensus group

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const MetricCountLeader = "erd_count_leader"

MetricCountLeader is the metric for monitoring number of rounds when a node was leader

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const MetricCpuLoadPercent = "erd_cpu_load_percent"

MetricCpuLoadPercent is the metric for monitoring CPU load [%]

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const MetricCreatedProposedBlock = "erd_consensus_created_proposed_block"

MetricCreatedProposedBlock is the metric that specify the percent of the block subround used for header and body creation (0 meaning that the block was created in no-time and 100 meaning that the block creation used all the subround spare duration)

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const MetricCrossCheckBlockHeight = "erd_cross_check_block_height"

MetricCrossCheckBlockHeight is the metric that store cross block height

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const MetricCurrentBlockHash = "erd_current_block_hash"

MetricCurrentBlockHash is the metric that stores the current block hash

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const MetricCurrentRound = "erd_current_round"

MetricCurrentRound is the metric for monitoring the current round of a node

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const MetricCurrentRoundTimestamp = "erd_current_round_timestamp"

MetricCurrentRoundTimestamp is the metric that stores current round timestamp

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const MetricDenomination = "erd_denomination"

MetricDenomination is the metric for exposing the denomination

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const MetricDevRewards = "erd_dev_rewards"

MetricDevRewards holds the developers' rewards value for the last epoch

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const MetricEpochForEconomicsData = "erd_epoch_for_economics_data"

MetricEpochForEconomicsData holds the epoch for which economics data are computed

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const MetricEpochNumber = "erd_epoch_number"

MetricEpochNumber is the metric for the number of epoch

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const MetricGasPerDataByte = "erd_gas_per_data_byte"

MetricGasPerDataByte is the metric that specifies the required gas for a data byte

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const MetricGasPriceModifier = "erd_gas_price_modifier"

MetricGasPriceModifier is the metric that specifies the gas price modifier

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const MetricHeaderSize = "erd_current_block_size"

MetricHeaderSize is the metric that stores the current block size

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const MetricHighestFinalBlock = "erd_highest_final_nonce"

MetricHighestFinalBlock is the metric for the nonce of the highest final block

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const MetricInflation = "erd_inflation"

MetricInflation holds the inflation value for the last epoch

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const MetricIsSyncing = "erd_is_syncing"

MetricIsSyncing is the metric for monitoring if a node is syncing

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const MetricLastBlockTxCount = "erd_last_block_tx_count"

MetricLastBlockTxCount holds the number of transactions in the last block

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const MetricLatestTagSoftwareVersion = "erd_latest_tag_software_version"

MetricLatestTagSoftwareVersion is the metric that stores the latest tag software version

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const MetricLeaderPercentage = "erd_leader_percentage"

MetricLeaderPercentage is the metric for leader rewards percentage

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const MetricLiveValidatorNodes = "erd_live_validator_nodes"

MetricLiveValidatorNodes is the metric for monitoring live validators on the network

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const MetricMemHeapInUse = "erd_mem_heap_inuse"

MetricMemHeapInUse is a metric for monitoring the memory ("heap in use")

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const MetricMemLoadPercent = "erd_mem_load_percent"

MetricMemLoadPercent is the metric for monitoring memory load [%]

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const MetricMemStackInUse = "erd_mem_stack_inuse"

MetricMemStackInUse is a metric for monitoring the memory ("stack in use")

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const MetricMemTotal = "erd_mem_total"

MetricMemTotal is the metric for monitoring total memory bytes

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const MetricMemUsedGolang = "erd_mem_used_golang"

MetricMemUsedGolang is a metric for monitoring the memory ("total")

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const MetricMemUsedSystem = "erd_mem_used_sys"

MetricMemUsedSystem is a metric for monitoring the memory ("sys mem")

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const MetricMetaConsensusGroupSize = "erd_meta_consensus_group_size"

MetricMetaConsensusGroupSize is the metric for the metachain consensus group size

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const MetricMinGasLimit = "erd_min_gas_limit"

MetricMinGasLimit is the metric that specifies the minimum gas limit

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const MetricMinGasPrice = "erd_min_gas_price"

MetricMinGasPrice is the metric that specifies min gas price

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const MetricMinTransactionVersion = "erd_min_transaction_version"

MetricMinTransactionVersion is the metric that specifies the minimum transaction version

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const MetricMiniBlocksSize = "erd_mini_blocks_size"

MetricMiniBlocksSize is the metric that stores the current block size

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const MetricNetworkRecvBps = "erd_network_recv_bps"

MetricNetworkRecvBps is the metric for monitoring network received bytes per second

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const MetricNetworkRecvBpsPeak = "erd_network_recv_bps_peak"

MetricNetworkRecvBpsPeak is the metric for monitoring network received peak bytes per second

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const MetricNetworkRecvBytesInCurrentEpochPerHost = "erd_network_recv_bytes_in_epoch_per_host"

MetricNetworkRecvBytesInCurrentEpochPerHost is the metric for monitoring network received bytes in current epoch per host

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const MetricNetworkRecvPercent = "erd_network_recv_percent"

MetricNetworkRecvPercent is the metric for monitoring network receive load [%]

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const MetricNetworkSendBytesInCurrentEpochPerHost = "erd_network_sent_bytes_in_epoch_per_host"

MetricNetworkSendBytesInCurrentEpochPerHost is the metric for monitoring network send bytes in current epoch per host

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const MetricNetworkSentBps = "erd_network_sent_bps"

MetricNetworkSentBps is the metric for monitoring network sent bytes per second

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const MetricNetworkSentBpsPeak = "erd_network_sent_bps_peak"

MetricNetworkSentBpsPeak is the metric for monitoring network sent peak bytes per second

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const MetricNetworkSentPercent = "erd_network_sent_percent"

MetricNetworkSentPercent is the metric for monitoring network sent load [%]

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const MetricNodeDisplayName = "erd_node_display_name"

MetricNodeDisplayName is the metric that stores the name of the node

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const MetricNodeType = "erd_node_type"

MetricNodeType is the metric for monitoring the type of the node

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const MetricNonce = "erd_nonce"

MetricNonce is the metric for monitoring the nonce of a node

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const MetricNonceAtEpochStart = "erd_nonce_at_epoch_start"

MetricNonceAtEpochStart is the metric for storing the first nonce of the current epoch

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const MetricNonceForTPS = "erd_nonce_for_tps"

MetricNonceForTPS is the metric for monitoring the nonce of a node used in TPS benchmarks

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const MetricNoncesPassedInCurrentEpoch = "erd_nonces_passed_in_current_epoch"

MetricNoncesPassedInCurrentEpoch is the metric that tells the number of nonces passed in current epoch

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const MetricNumConnectedPeers = "erd_num_connected_peers"

MetricNumConnectedPeers is the metric for monitoring the number of connected peers

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const MetricNumConnectedPeersClassification = "erd_num_connected_peers_classification"

MetricNumConnectedPeersClassification is the metric for monitoring the number of connected peers split on the connection type

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const MetricNumMetachainNodes = "erd_num_metachain_nodes"

MetricNumMetachainNodes is the metric which holds the number of nodes in metachain

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const MetricNumMiniBlocks = "erd_num_mini_blocks"

MetricNumMiniBlocks is the metric for number of miniblocks in a block

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const MetricNumNodesPerShard = "erd_num_nodes_in_shard"

MetricNumNodesPerShard is the metric which holds the number of nodes in a shard

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const MetricNumProcessedTxs = "erd_num_transactions_processed"

MetricNumProcessedTxs is the metric that stores the number of transactions processed

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const MetricNumProcessedTxsTPSBenchmark = "erd_num_transactions_processed_tps_benchmark"

MetricNumProcessedTxsTPSBenchmark is the metric that stores the number of transactions processed for tps benchmark

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const MetricNumShardHeadersFromPool = "erd_num_shard_headers_from_pool"

MetricNumShardHeadersFromPool is the metric that stores number of shard header from pool

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const MetricNumShardHeadersProcessed = "erd_num_shard_headers_processed"

MetricNumShardHeadersProcessed is the metric that stores number of shard header processed

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const MetricNumShardsWithoutMetachain = "erd_num_shards_without_meta"

MetricNumShardsWithoutMetachain is the metric for monitoring the number of shards (excluding meta)

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const MetricNumTimesInForkChoice = "erd_fork_choice_count"

MetricNumTimesInForkChoice is the metric that counts how many time a node was in fork choice

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const MetricNumTxInBlock = "erd_num_tx_block"

MetricNumTxInBlock is the metric for the number of transactions in the proposed block

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const MetricNumValidators = "erd_num_validators"

MetricNumValidators is the metric for the number of validators

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const MetricP2PCrossShardObservers = "erd_p2p_cross_shard_observers"

MetricP2PCrossShardObservers is the metric that outputs the cross-shard connected observers

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const MetricP2PCrossShardValidators = "erd_p2p_cross_shard_validators"

MetricP2PCrossShardValidators is the metric that outputs the cross-shard connected validators

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const MetricP2PIntraShardObservers = "erd_p2p_intra_shard_observers"

MetricP2PIntraShardObservers is the metric that outputs the intra-shard connected observers

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const MetricP2PIntraShardValidators = "erd_p2p_intra_shard_validators"

MetricP2PIntraShardValidators is the metric that outputs the intra-shard connected validators

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const MetricP2PNumConnectedPeersClassification = "erd_p2p_num_connected_peers_classification"

MetricP2PNumConnectedPeersClassification is the metric for monitoring the number of connected peers split on the connection type

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const MetricP2PNumReceiverPeers = "erd_p2p_num_receiver_peers"

MetricP2PNumReceiverPeers represents the number of connected peer sent messages to the current peer (and have been received by the current peer) in the amount of time

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const MetricP2PPeakNumReceiverPeers = "erd_p2p_peak_num_receiver_peers"

MetricP2PPeakNumReceiverPeers represents the peak number of connected peer sent messages to the current peer (and have been received by the current peer) in the amount of time

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const MetricP2PPeakPeerNumProcessedMessages = "erd_p2p_peak_peer_num_processed_messages"

MetricP2PPeakPeerNumProcessedMessages represents the peak maximum number of processed messages in the amount of time counted on a connected peer

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const MetricP2PPeakPeerNumReceivedMessages = "erd_p2p_peak_peer_num_received_messages"

MetricP2PPeakPeerNumReceivedMessages represents the peak maximum number of received messages in the amount of time counted on a connected peer

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const MetricP2PPeakPeerSizeProcessedMessages = "erd_p2p_peak_peer_size_processed_messages"

MetricP2PPeakPeerSizeProcessedMessages represents the peak maximum size of processed data (sum of all messages) in the amount of time counted on a connected peer

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const MetricP2PPeakPeerSizeReceivedMessages = "erd_p2p_peak_peer_size_received_messages"

MetricP2PPeakPeerSizeReceivedMessages represents the peak maximum size of received data (sum of all messages) in the amount of time counted on a connected peer

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const MetricP2PPeerInfo = "erd_p2p_peer_info"

MetricP2PPeerInfo is the metric for the node's p2p info

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const MetricP2PPeerNumProcessedMessages = "erd_p2p_peer_num_processed_messages"

MetricP2PPeerNumProcessedMessages represents the current maximum number of processed messages in the amount of time counted on a connected peer

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const MetricP2PPeerNumReceivedMessages = "erd_p2p_peer_num_received_messages"

MetricP2PPeerNumReceivedMessages represents the current maximum number of received messages in the amount of time counted on a connected peer

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const MetricP2PPeerSizeProcessedMessages = "erd_p2p_peer_size_processed_messages"

MetricP2PPeerSizeProcessedMessages represents the current maximum size of processed data (sum of all messages) in the amount of time counted on a connected peer

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const MetricP2PPeerSizeReceivedMessages = "erd_p2p_peer_size_received_messages"

MetricP2PPeerSizeReceivedMessages represents the current maximum size of received data (sum of all messages) in the amount of time counted on a connected peer

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const MetricP2PUnknownPeers = "erd_p2p_unknown_shard_peers"

MetricP2PUnknownPeers is the metric that outputs the unknown-shard connected peers

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const MetricPeakTPS = "erd_peak_tps"

MetricPeakTPS holds the peak transactions per second

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const MetricPeerType = "erd_peer_type"

MetricPeerType is the metric which tells the peer's type (in eligible list, in waiting list, or observer)

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const MetricProbableHighestNonce = "erd_probable_highest_nonce"

MetricProbableHighestNonce is the metric for monitoring the max speculative nonce received by the node by listening on the network

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const MetricProcessedProposedBlock = "erd_consensus_processed_proposed_block"

MetricProcessedProposedBlock is the metric that specify the percent of the block subround used for header and body processing (0 meaning that the block was processed in no-time and 100 meaning that the block processing used all the subround spare duration)

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const MetricPublicKeyBlockSign = "erd_public_key_block_sign"

MetricPublicKeyBlockSign is the metric for monitoring public key of a node used in block signing

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const MetricReceivedProposedBlock = "erd_consensus_received_proposed_block"

MetricReceivedProposedBlock is the metric that specify the moment in the round when the received block has reached the current node. The value is provided in percent (0 meaning it has been received just after the round started and 100 meaning that the block has been received in the last moment of the round)

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const MetricRewardsTopUpGradientPoint = "erd_rewards_top_up_gradient_point"

MetricRewardsTopUpGradientPoint is the metric that specifies the rewards top up gradient point

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const MetricRewardsValue = "erd_rewards_value"

MetricRewardsValue is the metric that stores rewards value

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const MetricRoundAtEpochStart = "erd_round_at_epoch_start"

MetricRoundAtEpochStart is the metric for storing the first round of the current epoch

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const MetricRoundDuration = "erd_round_duration"

MetricRoundDuration is the metric that specifies the round duration in milliseconds

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const MetricRoundTime = "erd_round_time"

MetricRoundTime is the metric for round time in seconds

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const MetricRoundsPassedInCurrentEpoch = "erd_rounds_passed_in_current_epoch"

MetricRoundsPassedInCurrentEpoch is the metric that tells the number of rounds passed in current epoch

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const MetricRoundsPerEpoch = "erd_rounds_per_epoch"

MetricRoundsPerEpoch is the metric that tells the number of rounds in an epoch

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const MetricShardConsensusGroupSize = "erd_shard_consensus_group_size"

MetricShardConsensusGroupSize is the metric for the shard consensus group size

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const MetricShardId = "erd_shard_id"

MetricShardId is the metric for monitoring shard id of a node

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const MetricStartTime = "erd_start_time"

MetricStartTime is the metric that specifies the genesis start time

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const MetricSynchronizedRound = "erd_synchronized_round"

MetricSynchronizedRound is the metric for monitoring the synchronized round of a node

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const MetricTopUpFactor = "erd_top_up_factor"

MetricTopUpFactor is the metric that specifies the top up factor

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const MetricTopUpValue = "erd_total_top_up_value"

MetricTopUpValue holds the total top up value

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const MetricTotalBaseStakedValue = "erd_total_base_staked_value"

MetricTotalBaseStakedValue holds the total base staked value

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const MetricTotalFees = "erd_total_fees"

MetricTotalFees holds the total fees value for the last epoch

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const MetricTotalSupply = "erd_total_supply"

MetricTotalSupply holds the total supply value for the last epoch

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const MetricTxPoolLoad = "erd_tx_pool_load"

MetricTxPoolLoad is the metric for monitoring number of transactions from pool of a node

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const MinLenArgumentsESDTNFTTransfer = 4

MinLenArgumentsESDTNFTTransfer defines the minimum length for esdt nft transfer

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const MinLenArgumentsESDTTransfer = 2

MinLenArgumentsESDTTransfer defines the min length of arguments for the ESDT transfer

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const MinMetaTxExtraGasCost = uint64(1_000_000)

MinMetaTxExtraGasCost is the constant defined for minimum gas value to be sent in meta transaction

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const NodesCoordinatorRegistryKeyPrefix = "indexHashed_"

NodesCoordinatorRegistryKeyPrefix is the key prefix to save epoch start registry to storage

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const NodesSetupJsonFileName = "nodesSetup.json"

NodesSetupJsonFileName specifies the name of the json file which contains the setup of the nodes

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const NonFungibleESDT = "NonFungibleESDT"

NonFungibleESDT defines the string for the token type of non fungible ESDT

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const NumInitCharactersForScAddress = 10

NumInitCharactersForScAddress numbers of characters for smart contract address identifier

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const PathEpochPlaceholder = "[E]"

PathEpochPlaceholder represents the placeholder for the epoch number in paths

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const PathIdentifierPlaceholder = "[I]"

PathIdentifierPlaceholder represents the placeholder for the identifier in paths

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const PathShardPlaceholder = "[S]"

PathShardPlaceholder represents the placeholder for the shard ID in paths

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const PublicKeyBlacklistDuration = time.Second * 7200

PublicKeyBlacklistDuration represents the time to keep a public key in the black list if it will degrade its rating to a minimum threshold due to improper messages

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const PutInStorerMaxTime = time.Second

PutInStorerMaxTime represents max time accepted for a put action, after which a warn message is displayed

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const RelayedTransaction = "relayedTx"

RelayedTransaction is the key for the elrond meta/gassless/relayed transaction standard

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const SCDeployInitFunctionName = "_init"

SCDeployInitFunctionName is the key for the function which is called at smart contract deploy time

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const SemiFungibleESDT = "SemiFungibleESDT"

SemiFungibleESDT defines the string for the token type of semi fungible ESDT

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const ShardIdentiferLen = 2

ShardIdentiferLen number of characters for shard identifier in an address

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const ShuffledOut = "shuffledOut"

ShuffledOut signals that a restart is pending because the node was shuffled out

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const SleepTimeBetweenCreateDBRetries = 5 * time.Second

SleepTimeBetweenCreateDBRetries represents the number of seconds to sleep between DB creates

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const TriggerRegistryInitialKeyPrefix = "initial_value_epoch_"

TriggerRegistryInitialKeyPrefix is the key prefix to save initial data to storage

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const TriggerRegistryKeyPrefix = "epochStartTrigger_"

TriggerRegistryKeyPrefix is the key prefix to save epoch start registry to storage

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const UnVersionedAppString = "undefined"

UnVersionedAppString represents the default app version that indicate that the binary wasn't build by setting the appVersion flag

View Source
const VMTypeLen = 2

VMTypeLen number of characters with VMType identifier in an address, these are the last 2 characters from the initial identifier

View Source
const WrongP2PMessageBlacklistDuration = time.Second * 7200

WrongP2PMessageBlacklistDuration represents the time to keep a peer id in the blacklist if it sends a message that do not follow this protocol

Variables

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var ErrAdditionOverflow = errors.New("uint64 addition overflowed")

ErrAdditionOverflow signals that uint64 addition overflowed

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var ErrEmptyFile = errors.New("empty file provided")

ErrEmptyFile signals that a empty file has been provided

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var ErrFileLoggingProcessIsClosed = errors.New("file logging process is closed")

ErrFileLoggingProcessIsClosed signals that the file logging process is closed

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var ErrInvalidGasScheduleConfig = errors.New("invalid gas schedule config")

ErrInvalidGasScheduleConfig signals that invalid gas schedule config was provided

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var ErrInvalidIdentifierForEpochStartBlockRequest = errors.New("invalid identifier for epoch start block request")

ErrInvalidIdentifierForEpochStartBlockRequest signals that an invalid identifier for epoch start block request has been provided

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var ErrInvalidIndex = errors.New("invalid private key index")

ErrInvalidIndex signals that an invalid private key index has been provided

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var ErrInvalidLogFileMinLifeSpan = errors.New("minimum log file life span is invalid")

ErrInvalidLogFileMinLifeSpan signals that an invalid log file life span was provided

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var ErrInvalidPollingInterval = errors.New("invalid polling interval ")

ErrInvalidPollingInterval signals that an invalid polling interval has been 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 ErrInvalidValue = errors.New("invalid value provided")

ErrInvalidValue signals that a nil value has been provided

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var ErrMajorVersionMismatch = errors.New("major version mismatch")

ErrMajorVersionMismatch signals that the major version mismatch

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var ErrMinorVersionMismatch = errors.New("minor version mismatch")

ErrMinorVersionMismatch signals that the minor version mismatch

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var ErrNilAppStatusHandler = errors.New("appStatusHandler is nil")

ErrNilAppStatusHandler signals that a nil status handler has been provided

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var ErrNilEpochStartNotifier = errors.New("nil epoch start notifier")

ErrNilEpochStartNotifier signals that nil epoch start notifier has been provided

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var ErrNilFeeConfig = errors.New("nil fee config")

ErrNilFeeConfig signals that a nil fee config is provided

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var ErrNilFile = errors.New("nil file provided")

ErrNilFile signals that a nil file has been provided

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var ErrNilHasher = errors.New("nil hasher provided")

ErrNilHasher signals that a nil hasher has been provided

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var ErrNilInputData = errors.New("nil input data")

ErrNilInputData signals that a nil data has been provided

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var ErrNilMarshalizer = errors.New("nil marshalizer provided")

ErrNilMarshalizer signals that a nil marshalizer has been provided

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

ErrNilNodesCoordinator signals a nil nodes coordinator has been provided

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var ErrNilPemBLock = errors.New("nil pem block")

ErrNilPemBLock signals that the pem block is nil

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

ErrNilShardCoordinator signals that a nil shard coordinator was provided

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var ErrNilSignalChan = errors.New("nil signal channel")

ErrNilSignalChan returns whenever a nil signal channel is provided

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var ErrNilStatusTagProvider = errors.New("nil status tag provider")

ErrNilStatusTagProvider signals that a nil status tag provider has been given as parameter

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

ErrNilStore signals that the provided storage service is nil

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var ErrNilTransactionFeeCalculator = errors.New("nil transaction fee calculator")

ErrNilTransactionFeeCalculator signals that a nil transaction fee calculator has been provided

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var ErrNilUrl = errors.New("url is empty")

ErrNilUrl signals that the provided url is empty

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var ErrNotPositiveValue = errors.New("the provided value is not positive")

ErrNotPositiveValue signals that a 0 or negative value has been provided

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var ErrPemFileIsInvalid = errors.New("pem file is invalid")

ErrPemFileIsInvalid signals that a pem file is invalid

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var ErrReleaseVersionMismatch = errors.New("release version mismatch")

ErrReleaseVersionMismatch signals that the release version mismatch

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var ErrSubtractionOverflow = errors.New("uint64 subtraction overflowed")

ErrSubtractionOverflow signals that uint64 subtraction overflowed

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var ErrSuffixNotPresentOrInIncorrectPosition = errors.New("suffix is not present or the position is incorrect")

ErrSuffixNotPresentOrInIncorrectPosition signals that the suffix is not present in the data field or its position is incorrect

View Source
var ErrVersionNumComponents = errors.New("invalid version while checking number of components")

ErrVersionNumComponents signals that a wrong number of components was provided

View Source
var SystemAccountAddress = bytes.Repeat([]byte{255}, 32)

SystemAccountAddress is the hard-coded address in which we save global settings on all shards

Functions

func AbsDuration

func AbsDuration(duration time.Duration) time.Duration

AbsDuration returns the absolute value of the provided time.Duration parameter

func AssignShardForPubKeyWhenNotSpecified

func AssignShardForPubKeyWhenNotSpecified(pubKey []byte, numShards uint32) uint32

AssignShardForPubKeyWhenNotSpecified will return the same shard ID when it is called with the same parameters This function fetched the last byte of the public key and based on a modulo operation it will return a shard ID

func CalculateHash

func CalculateHash(
	marshalizer marshal.Marshalizer,
	hasher hashing.Hasher,
	object interface{},
) ([]byte, error)

CalculateHash marshalizes the interface and calculates its hash

func CommunicationIdentifierBetweenShards

func CommunicationIdentifierBetweenShards(shardId1 uint32, shardId2 uint32) string

CommunicationIdentifierBetweenShards is used to generate the identifier between shardID1 and shardID2 identifier is generated such as the first shard from identifier is always smaller or equal than the last

func ConvertBytes

func ConvertBytes(bytes uint64) string

ConvertBytes converts the input bytes in a readable string using multipliers (k, M, G)

func ConvertShardIDToUint32

func ConvertShardIDToUint32(shardIDStr string) (uint32, error)

ConvertShardIDToUint32 converts shard id from string to uint32

func ConvertToEvenHex

func ConvertToEvenHex(value int) string

ConvertToEvenHex converts the provided value in a hex string, even number of characters

func ConvertToEvenHexBigInt

func ConvertToEvenHexBigInt(value *big.Int) string

ConvertToEvenHexBigInt converts the provided value in a hex string, even number of characters

func CreateFile

func CreateFile(arg ArgCreateFileArgument) (*os.File, error)

CreateFile opens or creates a file relative to the default path

func DoesFileExist

func DoesFileExist(path string) bool

DoesFileExist returns true if the file at the given path exists

func EmptyChannel

func EmptyChannel(ch chan bool) int

EmptyChannel empties the given channel

func EpochStartIdentifier

func EpochStartIdentifier(epoch uint32) string

EpochStartIdentifier returns the string for the epoch start identifier

func GetApproximatePercentageOfValue

func GetApproximatePercentageOfValue(value *big.Int, percentage float64) *big.Int

GetApproximatePercentageOfValue returns the approximate percentage of value the approximation comes from floating point operations, which in case of large numbers has some loss in accuracy and can cause the result to be slightly lower or higher than the actual value

func GetIntTrimmedPercentageOfValue

func GetIntTrimmedPercentageOfValue(value *big.Int, percentage float64) *big.Int

GetIntTrimmedPercentageOfValue returns the exact percentage of value, that fits into the integer (with loss of division remainder)

func GetPBFTFallbackThreshold

func GetPBFTFallbackThreshold(consensusSize int) int

GetPBFTFallbackThreshold returns the pBFT fallback threshold for a given consensus size

func GetPBFTThreshold

func GetPBFTThreshold(consensusSize int) int

GetPBFTThreshold returns the pBFT threshold for a given consensus size

func GetShardIDString

func GetShardIDString(shardID uint32) string

GetShardIDString will return the string representation of the shard id

func GetTrimmedPk

func GetTrimmedPk(pk string) string

GetTrimmedPk returns a trimmed string to the pkPrefixSize value

func IsEmptyAddress

func IsEmptyAddress(address []byte) bool

IsEmptyAddress returns whether an address is empty

func IsInRangeInclusive

func IsInRangeInclusive(value, min, max *big.Int) bool

IsInRangeInclusive returns true if the provided value is in the given range, including the provided min and max values

func IsInRangeInclusiveFloat64

func IsInRangeInclusiveFloat64(value, min, max float64) bool

IsInRangeInclusiveFloat64 returns true if the provided value is in the given range including the provided min and max values

func IsMetachainIdentifier

func IsMetachainIdentifier(identifier []byte) bool

IsMetachainIdentifier verifies if the identifier is of type metachain

func IsSmartContractAddress

func IsSmartContractAddress(rcvAddress []byte) bool

IsSmartContractAddress verifies if a set address is of type smart contract

func IsSmartContractOnMetachain

func IsSmartContractOnMetachain(identifier []byte, rcvAddress []byte) bool

IsSmartContractOnMetachain verifies if an address is smart contract on metachain

func IsSystemAccountAddress

func IsSystemAccountAddress(address []byte) bool

IsSystemAccountAddress returns true if given address is system account address

func IsUnknownEpochIdentifier

func IsUnknownEpochIdentifier(identifier []byte) (bool, error)

IsUnknownEpochIdentifier return if the epoch identifier represents unknown epoch

func IsValidESDTRole

func IsValidESDTRole(role string) bool

IsValidESDTRole returns true if the input string represents a valid ESDT role

func LoadGasScheduleConfig

func LoadGasScheduleConfig(filepath string) (map[string]map[string]uint64, error)

LoadGasScheduleConfig returns a map[string]uint64 of gas costs read from the provided config file

func LoadJsonFile

func LoadJsonFile(dest interface{}, relativePath string) error

LoadJsonFile method to open and decode json file

func LoadP2PConfig

func LoadP2PConfig(filepath string) (*config.P2PConfig, error)

LoadP2PConfig returns a P2PConfig by reading the config file provided

func LoadSkPkFromPemFile

func LoadSkPkFromPemFile(relativePath string, skIndex int) ([]byte, string, error)

LoadSkPkFromPemFile loads the secret key and existing public key bytes stored in the file

func LoadTomlFile

func LoadTomlFile(dest interface{}, relativePath string) error

LoadTomlFile method to open and decode toml file

func LoadTomlFileToMap

func LoadTomlFileToMap(relativePath string) (map[string]interface{}, error)

LoadTomlFileToMap opens and decodes a toml file as a map[string]interface{}

func MaxFloat64

func MaxFloat64(a float64, b float64) float64

MaxFloat64 returns the maximum of two given numbers

func MaxInt

func MaxInt(a int, b int) int

MaxInt returns the maximum of two given numbers

func MaxInt32

func MaxInt32(a int32, b int32) int32

MaxInt32 returns the maximum of two given numbers

func MaxInt64

func MaxInt64(a int64, b int64) int64

MaxInt64 returns the maximum of two given numbers

func MaxUint32

func MaxUint32(a uint32, b uint32) uint32

MaxUint32 returns the maximum of two given numbers

func MaxUint64

func MaxUint64(a uint64, b uint64) uint64

MaxUint64 returns the maximum of two given numbers

func MinInt

func MinInt(a int, b int) int

MinInt returns the minimum of two given numbers

func MinInt32

func MinInt32(a int32, b int32) int32

MinInt32 returns the minimum of two given numbers

func MinInt64

func MinInt64(a int64, b int64) int64

MinInt64 returns the minimum of two given numbers

func MinUint32

func MinUint32(a uint32, b uint32) uint32

MinUint32 returns the minimum of two given numbers

func MinUint64

func MinUint64(a uint64, b uint64) uint64

MinUint64 returns the minimum of two given numbers

func OpenFile

func OpenFile(relativePath string) (*os.File, error)

OpenFile method opens the file from given path - does not close the file

func SafeAddUint64

func SafeAddUint64(a, b uint64) (uint64, error)

SafeAddUint64 performs addition on uint64 and returns an error if the addition overflows

func SafeMul

func SafeMul(a uint64, b uint64) *big.Int

SafeMul returns multiplication results of two uint64 values into a big int

func SafeSubUint64

func SafeSubUint64(a, b uint64) (uint64, error)

SafeSubUint64 performs subtraction on uint64 and returns an error if it overflows

func SaveSkToPemFile

func SaveSkToPemFile(file *os.File, identifier string, skBytes []byte) error

SaveSkToPemFile saves secret key bytes in the file

func SecondsToHourMinSec

func SecondsToHourMinSec(input int) string

SecondsToHourMinSec transform seconds input in a human friendly format

func ShardIdToString

func ShardIdToString(shardId uint32) string

ShardIdToString returns the string according to the shard id

func UniqueIdentifier

func UniqueIdentifier() string

UniqueIdentifier returns a unique string identifier of 32 bytes

Types

type AppStatusHandler

type AppStatusHandler interface {
	IsInterfaceNil() bool
	Increment(key string)
	AddUint64(key string, val uint64)
	Decrement(key string)
	SetInt64Value(key string, value int64)
	SetUInt64Value(key string, value uint64)
	SetStringValue(key string, value string)
	Close()
}

AppStatusHandler interface will handle different implementations of monitoring tools, such as term-ui or status metrics

type ArgCreateFileArgument

type ArgCreateFileArgument struct {
	Directory     string
	Prefix        string
	FileExtension string
}

ArgCreateFileArgument will hold the arguments for a new file creation method call

type ConnectedAddressesHandler

type ConnectedAddressesHandler interface {
	ConnectedAddresses() []string
}

ConnectedAddressesHandler interface will be used for passing the network component to AppStatusPolling

type ESDTType

type ESDTType uint32

ESDTType defines the possible types in case of ESDT tokens

const (
	// Fungible defines the token type for ESDT fungible tokens
	Fungible ESDTType = iota
	// NonFungible defines the token type for ESDT non fungible tokens
	NonFungible
)

type EpochNotifier

type EpochNotifier interface {
	RegisterNotifyHandler(handler EpochSubscriberHandler)
	IsInterfaceNil() bool
}

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

type EpochSubscriberHandler

type EpochSubscriberHandler interface {
	EpochConfirmed(epoch uint32)
	IsInterfaceNil() bool
}

EpochSubscriberHandler defines the behavior of a component that can be notified if a new epoch was confirmed

type GasScheduleNotifier

type GasScheduleNotifier interface {
	RegisterNotifyHandler(handler GasScheduleSubscribeHandler)
	LatestGasSchedule() map[string]map[string]uint64
	UnRegisterAll()
	IsInterfaceNil() bool
}

GasScheduleNotifier can notify upon a gas schedule change

type GasScheduleSubscribeHandler

type GasScheduleSubscribeHandler interface {
	GasScheduleChange(gasSchedule map[string]map[string]uint64)
	IsInterfaceNil() bool
}

GasScheduleSubscribeHandler defines the behavior of a component that can be notified if a the gas schedule was changed

type KeyValueHolder

type KeyValueHolder interface {
	Key() []byte
	Value() []byte
	ValueWithoutSuffix(suffix []byte) ([]byte, error)
}

KeyValueHolder is used to hold a key and an associated value

type NodeState

type NodeState int

NodeState specifies what type of state a node could have

const (
	// NsSynchronized defines ID of a state of synchronized
	NsSynchronized NodeState = iota
	// NsNotSynchronized defines ID of a state of not synchronized
	NsNotSynchronized
	// NsNotCalculated defines ID of a state which is not calculated
	NsNotCalculated
)

type NodeType

type NodeType string

NodeType represents the node's role in the network

const NodeTypeObserver NodeType = "observer"

NodeTypeObserver signals that a node is running as observer node

const NodeTypeValidator NodeType = "validator"

NodeTypeValidator signals that a node is running as validator node

type P2PPeerInfo

type P2PPeerInfo struct {
	PeerType P2PPeerType
	ShardID  uint32
	PkBytes  []byte
}

P2PPeerInfo represents a peer info structure

type P2PPeerType

type P2PPeerType int

P2PPeerType defines the type of a p2p peer

const (
	// UnknownPeer defines a peer that is unknown (did not advertise data in any way)
	UnknownPeer P2PPeerType = iota
	// ValidatorPeer means that the peer is a validator
	ValidatorPeer
	// ObserverPeer means that the peer is an observer
	ObserverPeer
)

func (P2PPeerType) String

func (pt P2PPeerType) String() string

String returns the string-ified version of P2PPeerType

type PeerID

type PeerID string

PeerID is a p2p peer identity.

func (PeerID) Bytes

func (pid PeerID) Bytes() []byte

Bytes returns the peer ID as byte slice

func (PeerID) Pretty

func (pid PeerID) Pretty() string

Pretty returns a b58-encoded string of the peer id

type PeerType

type PeerType string

PeerType represents the type of a peer

const EligibleList PeerType = "eligible"

EligibleList represents the list of peers who participate in consensus inside a shard

const InactiveList PeerType = "inactive"

InactiveList represents the list of peers who were taken out because they were leaving

const JailedList PeerType = "jailed"

JailedList represents the list of peers who have stake but are in jail

const LeavingList PeerType = "leaving"

LeavingList represents the list of peers who were taken out of eligible and waiting because of rating

const NewList PeerType = "new"

NewList -

const ObserverList PeerType = "observer"

ObserverList represents the list of peers who don't participate in consensus but will join the next epoch

const WaitingList PeerType = "waiting"

WaitingList represents the list of peers who don't participate in consensus but will join the next epoch

type PubkeyConverter

type PubkeyConverter interface {
	Len() int
	Decode(humanReadable string) ([]byte, error)
	Encode(pkBytes []byte) string
	IsInterfaceNil() bool
}

PubkeyConverter can convert public key bytes to/from a human readable form

type QueryP2PPeerInfo

type QueryP2PPeerInfo struct {
	IsBlacklisted bool     `json:"isblacklisted"`
	Pid           string   `json:"pid"`
	Pk            string   `json:"pk"`
	PeerType      string   `json:"peertype"`
	Addresses     []string `json:"addresses"`
}

QueryP2PPeerInfo represents a DTO used in exporting p2p peer info after a query

type StopWatch

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

StopWatch is used to measure duration

func NewStopWatch

func NewStopWatch() *StopWatch

NewStopWatch returns a new stopWatch instance used to measure duration between finished and started events

func (*StopWatch) Add

func (sw *StopWatch) Add(src *StopWatch)

Add adds a time measure containing duration list to self

func (*StopWatch) GetMeasurement

func (sw *StopWatch) GetMeasurement(identifier string) time.Duration

GetMeasurement returns the measurement by identifier

func (*StopWatch) GetMeasurements

func (sw *StopWatch) GetMeasurements() []interface{}

GetMeasurements returns a logger compatible slice of interface{} containing pairs of (identifier, duration)

func (*StopWatch) GetMeasurementsMap

func (sw *StopWatch) GetMeasurementsMap() map[string]float64

GetMeasurementsMap returns the measurements as a map of (identifier, duration in seconds)

func (*StopWatch) Start

func (sw *StopWatch) Start(identifier string)

Start marks a start event for a provided identifier

func (*StopWatch) Stop

func (sw *StopWatch) Stop(identifier string)

Stop marks a finish event for a provided identifier

type Throttler

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

Throttler can monitor the number of the currently running go routines

type TimersScheduler

type TimersScheduler interface {
	Add(callback func(alarmID string), duration time.Duration, alarmID string)
	Cancel(alarmID string)
	Close()
	Reset(alarmID string)
	IsInterfaceNil() bool
}

TimersScheduler exposes functionality for scheduling multiple timers

type WatchdogTimer

type WatchdogTimer interface {
	Set(callback func(alarmID string), duration time.Duration, alarmID string)
	SetDefault(duration time.Duration, alarmID string)
	Stop(alarmID string)
	Reset(alarmID string)
	IsInterfaceNil() bool
}

WatchdogTimer is used to set alarms for different components

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