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    Class MessageV1

    A v1 transaction message (SIMD-0385).

    Compared to v0, a v1 message:

    • carries resource limits and prioritization in a message-level V1TransactionConfig instead of Compute Budget program instructions (which are no-ops inside a v1 transaction),
    • does not support address lookup tables,
    • may be up to 4096 bytes when serialized as a transaction (vs. 1232), and
    • uses a message-first wire envelope when framed as a transaction.

    Fetching v1 transactions over RPC requires passing maxSupportedTransactionVersion: 1 to getTransaction/getBlock.

    Index
    constructor
    compiledInstructions header recentBlockhash staticAccountKeys transactionConfig?
    version
    getAccountKeys isAccountSigner isAccountWritable serialize compile deserialize
    compiledInstructions: MessageCompiledInstruction[]
    header: Readonly<MessageHeader>
    recentBlockhash: Blockhash
    staticAccountKeys: PublicKey[]
    transactionConfig?: V1TransactionConfig

    Message-level resource limits and prioritization; undefined when no config values are set

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