io.neow3j.constants

Class NeoConstants

java.lang.Object

io.neow3j.constants.NeoConstants

public class NeoConstants
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	ADDRESS_SIZE Number of characters in a NEO address String.
static byte	CURRENT_TX_VERSION The current version used for Neo transaction.
static java.math.BigDecimal	FIXED8_DECIMALS
static int	FIXED8_LENGTH Length of a Fixed8 byte array.
static int	FIXED8_SCALE
static long	GAS_PER_BYTE The network fee per byte of a transaction.
static int	INVOCATION_SCRIPT_SIZE Size of an invocation (signature) script in bytes.
static int	MAX_MANIFEST_SIZE Max byte length for a valid contract manifest.
static int	MAX_PUBLIC_KEYS_PER_MULTISIG_ACCOUNT The maximum number of public keys that can take part in a multi-signature address.
static int	MAX_SIGNER_SUBITEMS The maximum number of contracts or groups a signer scope can contain.
static int	MAX_TRANSACTION_ATTRIBUTES The maximum number of attributes that a transaction can have.
static int	MAX_TRANSACTION_SIZE The maximum size of a transaction in bytes.
static int	MAX_VALID_UNTIL_BLOCK_INCREMENT The maximum value for the 'validUntilBlock' transaction property.
static int	PRIVATE_KEY_SIZE Size of a private key in bytes
static int	PUBLIC_KEY_SIZE Size of a public key in bytes
static int	SCRIPTHASH_SIZE The byte size of a script hash.
static int	SERIALIZED_INVOCATION_SCRIPT_SIZE Size of a serialized invocation (signature) script in bytes.
static int	SIGNATURE_SIZE Size of a signature in bytes.
static int	VERIFICATION_SCRIPT_SIZE Size of a verification script in bytes.

Constructor Summary

Constructors

Constructor and Description
NeoConstants()

Method Summary

Modifier and Type	Method and Description
static org.bouncycastle.crypto.params.ECDomainParameters	curve()
static org.bouncycastle.asn1.x9.X9ECParameters	curveParams()
static java.math.BigInteger	halfCurveOrder()

Methods inherited from class java.lang.Object

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

Field Detail

FIXED8_SCALE

public static final int FIXED8_SCALE

See Also:

Constant Field Values

FIXED8_DECIMALS

public static final java.math.BigDecimal FIXED8_DECIMALS

FIXED8_LENGTH

public static final int FIXED8_LENGTH

Length of a Fixed8 byte array.

See Also:

Constant Field Values

MAX_PUBLIC_KEYS_PER_MULTISIG_ACCOUNT

public static final int MAX_PUBLIC_KEYS_PER_MULTISIG_ACCOUNT

The maximum number of public keys that can take part in a multi-signature address. Taken from Neo.SmartContract.Contract.CreateMultiSigRedeemScript(...) in the C# neo repo at https://github.com/neo-project/neo.

See Also:

Constant Field Values

SCRIPTHASH_SIZE

public static final int SCRIPTHASH_SIZE

The byte size of a script hash.

See Also:

Constant Field Values

PRIVATE_KEY_SIZE

public static final int PRIVATE_KEY_SIZE

Size of a private key in bytes

See Also:

Constant Field Values

PUBLIC_KEY_SIZE

public static final int PUBLIC_KEY_SIZE

Size of a public key in bytes

See Also:

Constant Field Values

ADDRESS_SIZE

public static final int ADDRESS_SIZE

Number of characters in a NEO address String.

See Also:

Constant Field Values

SIGNATURE_SIZE

public static final int SIGNATURE_SIZE

Size of a signature in bytes.

See Also:

Constant Field Values

INVOCATION_SCRIPT_SIZE

public static final int INVOCATION_SCRIPT_SIZE

Size of an invocation (signature) script in bytes.

1 (PUSHDATA OpCode) + 1 (byte for data length) + 64 (signature) = 66

See Also:

Constant Field Values

SERIALIZED_INVOCATION_SCRIPT_SIZE

public static final int SERIALIZED_INVOCATION_SCRIPT_SIZE

Size of a serialized invocation (signature) script in bytes.

1 (byte for VarInt) + 1 (PUSHDATA OpCode) + 1 (byte for data length) + 64 (signature) = 67

See Also:

Constant Field Values

VERIFICATION_SCRIPT_SIZE

public static final int VERIFICATION_SCRIPT_SIZE

Size of a verification script in bytes.

1 (PUSHDATA OpCode) + 1 (byte for data length) + 33 (public key) + 1 (PUSHNULL OpCode) + 1 (SYSCALL Opcode) + 4 (InteropServiceCode) = 41

See Also:

Constant Field Values

GAS_PER_BYTE

public static final long GAS_PER_BYTE

The network fee per byte of a transaction. The amount is given in fractions of GAS.

See Also:

Constant Field Values

CURRENT_TX_VERSION

public static final byte CURRENT_TX_VERSION

The current version used for Neo transaction.

See Also:

Constant Field Values

MAX_TRANSACTION_SIZE

public static final int MAX_TRANSACTION_SIZE

The maximum size of a transaction in bytes.

See Also:

Constant Field Values

MAX_TRANSACTION_ATTRIBUTES

public static final int MAX_TRANSACTION_ATTRIBUTES

The maximum number of attributes that a transaction can have.

See Also:

Constant Field Values

MAX_SIGNER_SUBITEMS

public static final int MAX_SIGNER_SUBITEMS

The maximum number of contracts or groups a signer scope can contain.

See Also:

Constant Field Values

MAX_VALID_UNTIL_BLOCK_INCREMENT

public static final int MAX_VALID_UNTIL_BLOCK_INCREMENT

The maximum value for the 'validUntilBlock' transaction property.

See Also:

Constant Field Values

MAX_MANIFEST_SIZE

public static final int MAX_MANIFEST_SIZE

Max byte length for a valid contract manifest.

See Also:

Constant Field Values

Constructor Detail

NeoConstants

public NeoConstants()

Method Detail

curve

public static org.bouncycastle.crypto.params.ECDomainParameters curve()

curveParams

public static org.bouncycastle.asn1.x9.X9ECParameters curveParams()

halfCurveOrder

public static java.math.BigInteger halfCurveOrder()