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use crate::PublicKey;
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub enum SystemInstruction {
/// Create a new account
///
/// # Account references
/// 0. `[WRITE, SIGNER]` Funding account
/// 1. `[WRITE, SIGNER]` New account
CreateAccount {
/// Number of lamports to transfer to the new account
lamports: u64,
/// Number of bytes of memory to allocate
space: u64,
/// Address of program that will own the new account
owner: PublicKey,
},
/// Assign account to a program
///
/// # Account references
/// 0. `[WRITE, SIGNER]` Assigned account public key
Assign {
/// Owner program account
owner: PublicKey,
},
/// Transfer lamports
///
/// # Account references
/// 0. `[WRITE, SIGNER]` Funding account
/// 1. `[WRITE]` Recipient account
Transfer { lamports: u64 },
/// Create a new account at an address derived from a base pubkey and a seed
///
/// # Account references
/// 0. `[WRITE, SIGNER]` Funding account
/// 1. `[WRITE]` Created account
/// 2. `[SIGNER]` (optional) Base account; the account matching the base Pubkey below must be
/// provided as a signer, but may be the same as the funding account
/// and provided as account 0
CreateAccountWithSeed {
/// Base public key
base: PublicKey,
/// String of ASCII chars, no longer than `Pubkey::MAX_SEED_LEN`
seed: String,
/// Number of lamports to transfer to the new account
lamports: u64,
/// Number of bytes of memory to allocate
space: u64,
/// Owner program account address
owner: PublicKey,
},
/// Consumes a stored nonce, replacing it with a successor
///
/// # Account references
/// 0. `[WRITE]` Nonce account
/// 1. `[]` RecentBlockhashes sysvar
/// 2. `[SIGNER]` Nonce authority
AdvanceNonceAccount,
/// Withdraw funds from a nonce account
///
/// # Account references
/// 0. `[WRITE]` Nonce account
/// 1. `[WRITE]` Recipient account
/// 2. `[]` RecentBlockhashes sysvar
/// 3. `[]` Rent sysvar
/// 4. `[SIGNER]` Nonce authority
///
/// The `u64` parameter is the lamports to withdraw, which must leave the
/// account balance above the rent exempt reserve or at zero.
WithdrawNonceAccount(u64),
/// Drive state of Uninitialized nonce account to Initialized, setting the nonce value
///
/// # Account references
/// 0. `[WRITE]` Nonce account
/// 1. `[]` RecentBlockhashes sysvar
/// 2. `[]` Rent sysvar
///
/// The `Pubkey` parameter specifies the entity authorized to execute nonce
/// instruction on the account
///
/// No signatures are required to execute this instruction, enabling derived
/// nonce account addresses
InitializeNonceAccount(PublicKey),
/// Change the entity authorized to execute nonce instructions on the account
///
/// # Account references
/// 0. `[WRITE]` Nonce account
/// 1. `[SIGNER]` Nonce authority
///
/// The `Pubkey` parameter identifies the entity to authorize
AuthorizeNonceAccount(PublicKey),
/// Allocate space in a (possibly new) account without funding
///
/// # Account references
/// 0. `[WRITE, SIGNER]` New account
Allocate {
/// Number of bytes of memory to allocate
space: u64,
},
/// Allocate space for and assign an account at an address
/// derived from a base public key and a seed
///
/// # Account references
/// 0. `[WRITE]` Allocated account
/// 1. `[SIGNER]` Base account
AllocateWithSeed {
/// Base public key
base: PublicKey,
/// String of ASCII chars, no longer than `pubkey::MAX_SEED_LEN`
seed: String,
/// Number of bytes of memory to allocate
space: u64,
/// Owner program account
owner: PublicKey,
},
/// Assign account to a program based on a seed
///
/// # Account references
/// 0. `[WRITE]` Assigned account
/// 1. `[SIGNER]` Base account
AssignWithSeed {
/// Base public key
base: PublicKey,
/// String of ASCII chars, no longer than `pubkey::MAX_SEED_LEN`
seed: String,
/// Owner program account
owner: PublicKey,
},
/// Transfer lamports from a derived address
///
/// # Account references
/// 0. `[WRITE]` Funding account
/// 1. `[SIGNER]` Base for funding account
/// 2. `[WRITE]` Recipient account
TransferWithSeed {
/// Amount to transfer
lamports: u64,
/// Seed to use to derive the funding account address
from_seed: String,
/// Owner to use to derive the funding account address
from_owner: PublicKey,
},
}