Enum VersionedTransaction 

pub enum VersionedTransaction {
    Legacy {
        signatures: Vec<SignatureBytes>,
        message: LegacyMessage,
    },
    V0 {
        signatures: Vec<SignatureBytes>,
        message: VersionedMessageV0,
    },
}

Versioned transaction format

Variants

Legacy

Legacy transaction format (pre-versioned transactions)

Fields

signatures: Vec<SignatureBytes>

List of signatures

message: LegacyMessage

Message to sign

V0

Versioned transaction format V0

Fields

signatures: Vec<SignatureBytes>

List of signatures

message: VersionedMessageV0

Message to sign

Implementations

impl VersionedTransaction

pub fn new(message: VersionedMessage) -> Self

Create a new versioned transaction

pub fn add_signature(&mut self, signature: SignatureBytes)

Add a signature to the transaction

pub fn num_required_signatures(&self) -> u8

Get the number of required signatures

pub fn num_readonly_signed_accounts(&self) -> u8

Get the number of read-only signed accounts

pub fn num_readonly_unsigned_accounts(&self) -> u8

Get the number of read-only unsigned accounts

pub fn account_keys(&self) -> &[Pubkey]

Get the account keys

pub fn recent_blockhash(&self) -> &[u8; 32]

Get the recent blockhash

pub fn instructions(&self) -> &[CompiledInstruction]

Get the instructions

pub fn signatures(&self) -> &[SignatureBytes]

pub fn signatures_mut(&mut self) -> &mut Vec<SignatureBytes>

pub fn instructions_mut(&mut self) -> &mut Vec<CompiledInstruction>

pub fn get_compute_unit_price(&self) -> Option<u64>

pub fn set_compute_unit_price(&mut self, micro_lamports: u64) -> Result<bool>

pub fn get_compute_unit_limit(&self) -> Option<u32>

pub fn set_compute_unit_limit(&mut self, units: u32) -> Result<bool>

pub fn add_instruction(&mut self, instruction: Instruction) -> Result<()>

pub fn serialize_message(&self) -> Result<Vec<u8>>

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

pub fn deserialize_with_version(bytes: &[u8]) -> Result<Self>

Deserialize a versioned transaction from bytes

Examples found in repository

examples/decode_tx.rs (line 16)

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // https://solscan.io/tx/24iGSgbnUUpL49Hp6ci46CrtujrMbDgZxJYcL6w3ySJudT3c5swGKnNygv4R1G3vYPwPYS9Emr3fimeEJQszDkzV
    let tx = "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";

    // Decode base64 transaction
    let tx_bytes = base64::engine::general_purpose::STANDARD.decode(tx)?;

    // Print the transaction bytes structure
    println!("Transaction bytes length: {}", tx_bytes.len());
    println!("First byte (signature count): 0x{:02x}", tx_bytes[0]);

    // Try to decode as versioned transaction using manual deserialization
    match VersionedTransaction::deserialize_with_version(&tx_bytes) {
        Ok(decoded_tx) => {
            println!("✅ Successfully decoded transaction from wire format");
            print_versioned_transaction(&decoded_tx);
        }
        Err(e) => {
            println!("❌ Failed to decode transaction: {e}");
        }
    }

    Ok(())
}

Trait Implementations

impl BorshDeserialize for VersionedTransaction

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 VersionedTransaction

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

impl Clone for VersionedTransaction

fn clone(&self) -> VersionedTransaction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VersionedTransaction

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for VersionedTransaction

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl EnumExt for VersionedTransaction

fn deserialize_variant<__R: Read>( reader: &mut __R, variant_tag: u8, ) -> Result<Self, Error>

Deserialises given variant of an enum from the reader.

impl Serialize for VersionedTransaction

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

where __S: Serializer,

Serialize this value into the given Serde serializer.