Struct TxBuilder 

pub struct TxBuilder { /* private fields */ }

High-level builder for legacy-versioned transaction messages.

Implementations

impl TxBuilder

pub const fn new(payer: Pubkey) -> Self

Creates a transaction builder for a fee payer.

pub fn add_instruction(self, instruction: Instruction) -> Self

Appends one instruction.

pub fn add_instructions<I>(self, instructions: I) -> Self

where I: IntoIterator<Item = Instruction>,

Appends many instructions.

pub const fn with_compute_unit_limit(self, units: u32) -> Self

Sets compute unit limit.

pub const fn with_priority_fee_micro_lamports(self, micro_lamports: u64) -> Self

Sets priority fee in micro-lamports.

pub const fn tip_developer(self) -> Self

Enables default developer tip.

pub const fn tip_developer_lamports(self, lamports: u64) -> Self

Enables developer tip with explicit lamports.

pub const fn tip_to(self, recipient: Pubkey, lamports: u64) -> Self

Sets a custom tip recipient and lamports.

pub fn build_unsigned(self, recent_blockhash: [u8; 32]) -> UnsignedTx

Builds an unsigned transaction wrapper.

pub fn build_and_sign<T>( self, recent_blockhash: [u8; 32], signers: &T, ) -> Result<VersionedTransaction, BuilderError>

where T: Signers + ?Sized,

Builds and signs a transaction in one step.

Errors

Returns BuilderError::SignTransaction when signer validation or signing fails.

pub fn build_message(self, recent_blockhash: [u8; 32]) -> VersionedMessage

Builds a legacy message wrapped as a versioned message.

Trait Implementations

impl Clone for TxBuilder

fn clone(&self) -> TxBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TxBuilder

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

Formats the value using the given formatter.