Package convex.core

Class Constants

java.lang.Object

convex.core.Constants

public class Constants
extends Object

Static class for global configuration constants that affect protocol behaviour

Field Summary

Fields

Modifier and Type	Field	Description
static final char	BAD_CHARACTER	Char to represent bad Unicode characters in printing
static final byte[]	BAD_CHARACTER_BYTES
static final String	BAD_CHARACTER_STRING
static final byte[]	BAD_CHARACTER_UTF
static final int	CONSENSUS_LEVEL_CONSENSUS
static final int	CONSENSUS_LEVEL_FINALITY
static final int	CONSENSUS_LEVEL_PROPOSAL
static final int	CONSENSUS_LEVELS	Number of consensus levels (blocks, proposed, consensus, finality)
static final double	CONSENSUS_THRESHOLD	Threshold of stake required to confirm consensus
static final int	DEFAULT_PEER_PORT	Default port for Convex Peers
static final boolean	ENABLE_FORK_RECOVERY
static final boolean	ETCH_DELETE_TEMP_ON_EXIT	Constant to set deletion of Etch temporary files on exit.
static final int	HASH_LENGTH	Length for Hash values
static final long	INITIAL_ACCOUNT_ALLOWANCE	Allowance for initial user / peer accounts
static final long	INITIAL_FEES	Initial fees in global state
static final AVector<ACell>	INITIAL_GLOBALS	Initial global values for a new State
static final long	INITIAL_JUICE_PRICE	Juice price in the initial Genesis State
static final long	INITIAL_MEMORY_POOL	Initial memory Pool of 1mb
static final long	INITIAL_MEMORY_PRICE	Initial memory price per byte 0.001 Convex Gold
static final long	INITIAL_PEER_TIMESTAMP
static final long	INITIAL_SEQUENCE	Sequence number used for any new account
static final long	INITIAL_TIMESTAMP	Initial timestamp for new States
static final long	KEEP_PROPOSAL_TIME	Minimum milliseconds to retain a proposal before switching
static final int	KEY_LENGTH	Length for public keys
static final int	MAX_BIG_INTEGER_LENGTH
static final long	MAX_BLOCK_BACKDATE	Maximum time a block can be resurrected from the past (1 min)
static final int	MAX_DEPTH	Maximum CVM execution depth
static final int	MAX_NAME_LENGTH	Maximum length of a symbolic name in bytes (keywords and symbols) Note: Chosen so that small qualified symbolic values are always embedded
static final long	MAX_SCHEDULED_TRANSACTIONS_PER_BLOCK	Limit of scheduled transactions run in a single Block
static final long	MAX_SUPPLY	Maximum supply of Convex Coins set at protocol level
static final long	MAX_TRANSACTION_JUICE	Max juice allowable during execution of a single transaction.
static final int	MAX_TRANSACTIONS_PER_BLOCK	Max transactions in a legal Block.
static final long	MEMORY_OVERHEAD	Size in bytes of constant overhead applied per non-embedded Cell in memory accounting
static final long	MEMORY_POOL_GROWTH	Memory Pool of growth increment 1mb
static final long	MEMORY_POOL_GROWTH_INTERVAL	Memory Pool of growth interval (once per day).
static final long	MINIMUM_EFFECTIVE_STAKE	Minimum stake for a Peer to be considered by other Peers in consensus
static final boolean	OMIT_VALIDATION_STACKTRACES	Flag to omit filling in stack traces on validation exceptions.
static final boolean	OPT_STATIC	Option for static compilation support.
static final double	PEER_DECAY_DELAY	Milliseconds before peer stake influence starts to decay (3 mins default)
static final double	PEER_DECAY_TIME	Time for peer stake to decay by factor 1/e (5 mins default)
static final AString	PRINT_EXCEEDED_MESSAGE
static final String	PRINT_EXCEEDED_STRING
static final long	PRINT_LIMIT	Default print limit
static final double	PROPOSAL_THRESHOLD	Threshold of stake required to propose consensus
static final CVMBool	SET_EXCLUDED	Value used to indicate exclusion of a key from a Set.
static final CVMBool	SET_INCLUDED	Value used to indicate inclusion of a key in a Set.

Constructor Summary

Constructors

Constructor	Description
Constants()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

MAX_SCHEDULED_TRANSACTIONS_PER_BLOCK

public static final long MAX_SCHEDULED_TRANSACTIONS_PER_BLOCK

Limit of scheduled transactions run in a single Block

See Also:

• Constant Field Values

PROPOSAL_THRESHOLD

public static final double PROPOSAL_THRESHOLD

Threshold of stake required to propose consensus

See Also:

• Constant Field Values

CONSENSUS_THRESHOLD

public static final double CONSENSUS_THRESHOLD

Threshold of stake required to confirm consensus

See Also:

• Constant Field Values

INITIAL_TIMESTAMP

public static final long INITIAL_TIMESTAMP

Initial timestamp for new States

INITIAL_JUICE_PRICE

public static final long INITIAL_JUICE_PRICE

Juice price in the initial Genesis State

See Also:

• Constant Field Values

INITIAL_MEMORY_POOL

public static final long INITIAL_MEMORY_POOL

Initial memory Pool of 1mb

See Also:

• Constant Field Values

INITIAL_MEMORY_PRICE

public static final long INITIAL_MEMORY_PRICE

Initial memory price per byte 0.001 Convex Gold

See Also:

• Constant Field Values

MEMORY_POOL_GROWTH

public static final long MEMORY_POOL_GROWTH

Memory Pool of growth increment 1mb

See Also:

• Constant Field Values

MEMORY_POOL_GROWTH_INTERVAL

public static final long MEMORY_POOL_GROWTH_INTERVAL

Memory Pool of growth interval (once per day). This means regular price drops in memory pool

See Also:

• Constant Field Values

MAX_TRANSACTION_JUICE

public static final long MAX_TRANSACTION_JUICE

Max juice allowable during execution of a single transaction.

See Also:

• Constant Field Values

MAX_TRANSACTIONS_PER_BLOCK

public static final int MAX_TRANSACTIONS_PER_BLOCK

Max transactions in a legal Block.

See Also:

• Constant Field Values

ETCH_DELETE_TEMP_ON_EXIT

public static final boolean ETCH_DELETE_TEMP_ON_EXIT

Constant to set deletion of Etch temporary files on exit. Probably should be true, unless you want to dubug temp files.

See Also:

• Constant Field Values

INITIAL_SEQUENCE

public static final long INITIAL_SEQUENCE

Sequence number used for any new account

See Also:

• Constant Field Values

INITIAL_FEES

public static final long INITIAL_FEES

Initial fees in global state

See Also:

• Constant Field Values

MEMORY_OVERHEAD

public static final long MEMORY_OVERHEAD

Size in bytes of constant overhead applied per non-embedded Cell in memory accounting

See Also:

• Constant Field Values

INITIAL_ACCOUNT_ALLOWANCE

public static final long INITIAL_ACCOUNT_ALLOWANCE

Allowance for initial user / peer accounts

See Also:

• Constant Field Values

MAX_SUPPLY

public static final long MAX_SUPPLY

Maximum supply of Convex Coins set at protocol level

See Also:

• Constant Field Values

MAX_DEPTH

public static final int MAX_DEPTH

Maximum CVM execution depth

See Also:

• Constant Field Values

INITIAL_GLOBALS

public static final AVector<ACell> INITIAL_GLOBALS

Initial global values for a new State

MAX_NAME_LENGTH

public static final int MAX_NAME_LENGTH

Maximum length of a symbolic name in bytes (keywords and symbols) Note: Chosen so that small qualified symbolic values are always embedded

See Also:

• Constant Field Values

SET_INCLUDED

public static final CVMBool SET_INCLUDED

Value used to indicate inclusion of a key in a Set. Must be a singleton instance

SET_EXCLUDED

public static final CVMBool SET_EXCLUDED

Value used to indicate exclusion of a key from a Set. Must be a singleton instance

KEY_LENGTH

public static final int KEY_LENGTH

Length for public keys

See Also:

• Constant Field Values

HASH_LENGTH

public static final int HASH_LENGTH

Length for Hash values

See Also:

• Constant Field Values

MINIMUM_EFFECTIVE_STAKE

public static final long MINIMUM_EFFECTIVE_STAKE

Minimum stake for a Peer to be considered by other Peers in consensus

See Also:

• Constant Field Values

OPT_STATIC

public static final boolean OPT_STATIC

Option for static compilation support. Set to true for static inlines on core

See Also:

• Constant Field Values

BAD_CHARACTER

public static final char BAD_CHARACTER

Char to represent bad Unicode characters in printing

See Also:

• Constant Field Values

BAD_CHARACTER_BYTES

public static final byte[] BAD_CHARACTER_BYTES

BAD_CHARACTER_STRING

public static final String BAD_CHARACTER_STRING

BAD_CHARACTER_UTF

public static final byte[] BAD_CHARACTER_UTF

PRINT_LIMIT

public static final long PRINT_LIMIT

Default print limit

See Also:

• Constant Field Values

PRINT_EXCEEDED_STRING

public static final String PRINT_EXCEEDED_STRING

See Also:

• Constant Field Values

PRINT_EXCEEDED_MESSAGE

public static final AString PRINT_EXCEEDED_MESSAGE

DEFAULT_PEER_PORT

public static final int DEFAULT_PEER_PORT

Default port for Convex Peers

See Also:

• Constant Field Values

KEEP_PROPOSAL_TIME

public static final long KEEP_PROPOSAL_TIME

Minimum milliseconds to retain a proposal before switching

See Also:

• Constant Field Values

CONSENSUS_LEVELS

public static final int CONSENSUS_LEVELS

Number of consensus levels (blocks, proposed, consensus, finality)

See Also:

• Constant Field Values

CONSENSUS_LEVEL_PROPOSAL

public static final int CONSENSUS_LEVEL_PROPOSAL

See Also:

• Constant Field Values

CONSENSUS_LEVEL_CONSENSUS

public static final int CONSENSUS_LEVEL_CONSENSUS

See Also:

• Constant Field Values

CONSENSUS_LEVEL_FINALITY

public static final int CONSENSUS_LEVEL_FINALITY

See Also:

• Constant Field Values

ENABLE_FORK_RECOVERY

public static final boolean ENABLE_FORK_RECOVERY

See Also:

• Constant Field Values

INITIAL_PEER_TIMESTAMP

public static final long INITIAL_PEER_TIMESTAMP

See Also:

• Constant Field Values

MAX_BIG_INTEGER_LENGTH

public static final int MAX_BIG_INTEGER_LENGTH

See Also:

• Constant Field Values

OMIT_VALIDATION_STACKTRACES

public static final boolean OMIT_VALIDATION_STACKTRACES

Flag to omit filling in stack traces on validation exceptions. This helps performance against DoS attacks

See Also:

• Constant Field Values

PEER_DECAY_DELAY

public static final double PEER_DECAY_DELAY

Milliseconds before peer stake influence starts to decay (3 mins default)

See Also:

• Constant Field Values

PEER_DECAY_TIME

public static final double PEER_DECAY_TIME

Time for peer stake to decay by factor 1/e (5 mins default)

See Also:

• Constant Field Values

MAX_BLOCK_BACKDATE

public static final long MAX_BLOCK_BACKDATE

Maximum time a block can be resurrected from the past (1 min)

See Also:

• Constant Field Values

Constructor Details

Constants

public Constants()