Struct Instruction 

pub struct Instruction {
    pub program_id: Pubkey,
    pub accounts: Vec<AccountMeta>,
    pub data: Vec<u8>,
}

An instruction for a program to execute.

Each instruction contains:

• The program ID (public key) of the program that should process this instruction
• A list of accounts that the instruction will operate on
• A byte array of instruction data that is program-specific

Fields

program_id: Pubkey

Program ID that executes this instruction

accounts: Vec<AccountMeta>

Metadata for accounts that this instruction interacts with

data: Vec<u8>

Program-specific instruction data

Implementations

impl Instruction

pub fn new( program_id: Pubkey, data: Vec<u8>, accounts: Vec<AccountMeta>, ) -> Self

pub fn serialize(&self) -> Vec<u8>

Serializes an instruction to a byte array.

The serialization format is:

• program_id (32 bytes)
• accounts length (1 byte)
• account metadata (34 bytes per account)
• data length (8 bytes)
• instruction data (variable)

Returns

A vector containing the serialized instruction

pub fn from_slice(data: &[u8]) -> Self

Deserializes an instruction from a byte slice.

Parameters

• data - The byte slice containing the serialized instruction

Returns

A new Instruction instance

pub fn hash(&self) -> String

Computes a unique hash for this instruction.

Returns

A string containing the double SHA-256 hash of the serialized instruction

pub fn new_with_bincode<T: Serialize>( program_id: Pubkey, data: T, accounts: Vec<AccountMeta>, ) -> Self

pub fn new_with_borsh<T: BorshSerialize>( program_id: Pubkey, data: &T, accounts: Vec<AccountMeta>, ) -> Self

Trait Implementations

impl BorshDeserialize for Instruction

fn deserialize_reader<__R: Read>(reader: &mut __R) -> Result<Self, Error>

fn deserialize(buf: &mut &[u8]) -> Result<Self, Error>

Deserializes this instance from a given slice of bytes. Updates the buffer to point at the remaining bytes.

fn try_from_slice(v: &[u8]) -> Result<Self, Error>

Deserialize this instance from a slice of bytes.

fn try_from_reader<R>(reader: &mut R) -> Result<Self, Error>

where R: Read,

impl BorshSerialize for Instruction

fn serialize<__W: Write>(&self, writer: &mut __W) -> Result<(), Error>

impl Clone for Instruction

fn clone(&self) -> Instruction

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Instruction

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Instruction

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<Instruction> for StableInstruction

fn from(other: Instruction) -> Self

Converts to this type from the input type.

impl PartialEq for Instruction

fn eq(&self, other: &Instruction) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Instruction

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<'__de> Decode<'__de> for Instruction

where '__de:,

impl Encode for Instruction

impl Eq for Instruction

impl StructuralPartialEq for Instruction