Class SystemProgram

java.lang.Object

com.codename1.crypto.solana.SystemProgram

public final class SystemProgram
extends Object

Instructions of the System Program. Amounts are lamports, 10^9 to the SOL, and are written as unsigned 64-bit values.

Field Summary

Fields

Modifier and Type	Field	Description
static final long	LAMPORTS_PER_SOL	Lamports in one SOL.

Method Summary

Modifier and Type	Method	Description
static Instruction	advanceNonceAccount(SolanaAddress nonceAccount, SolanaAddress authority)	Advances a durable nonce.
static Instruction	allocate(SolanaAddress account, long space)	Allocates space in an account.
static Instruction	assign(SolanaAddress account, SolanaAddress owner)	Assigns an account to a program.
static Instruction	createAccount(SolanaAddress payer, SolanaAddress newAccount, long lamports, long space, SolanaAddress owner)	Creates an account owned by a program, funded with lamports and sized space bytes; both the payer and the new account sign.
static Instruction	transfer(SolanaAddress from, SolanaAddress to, long lamports)	Moves lamports between two system accounts; from signs.

Methods inherited from class Object

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

Field Details

LAMPORTS_PER_SOL

public static final long LAMPORTS_PER_SOL

Lamports in one SOL.

See Also:

• Constant Field Values

Method Details

transfer

public static Instruction transfer(SolanaAddress from,
 SolanaAddress to,
 long lamports)

Moves lamports between two system accounts; from signs.

createAccount

public static Instruction createAccount(SolanaAddress payer,
 SolanaAddress newAccount,
 long lamports,
 long space,
 SolanaAddress owner)

Creates an account owned by a program, funded with lamports and sized space bytes; both the payer and the new account sign.

assign

public static Instruction assign(SolanaAddress account,
 SolanaAddress owner)

Assigns an account to a program.

allocate

public static Instruction allocate(SolanaAddress account,
 long space)

Allocates space in an account.

advanceNonceAccount

public static Instruction advanceNonceAccount(SolanaAddress nonceAccount,
 SolanaAddress authority)

Advances a durable nonce. It must be the first instruction of a transaction whose recent blockhash is the nonce value.