Removes native loader entrypoints from the SDK and thus from the public interface. (#21185)
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ed5614cbde
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6704fa011f
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@ -9,11 +9,11 @@ use serde::Serialize;
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use solana_sdk::{
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account::ReadableAccount,
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decode_error::DecodeError,
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entrypoint_native::ProgramEntrypoint,
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instruction::InstructionError,
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keyed_account::keyed_account_at_index,
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keyed_account::{keyed_account_at_index, KeyedAccount},
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native_loader,
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process_instruction::{InvokeContext, LoaderEntrypoint},
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process_instruction::InvokeContext,
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pubkey::Pubkey,
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};
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use std::{
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collections::HashMap,
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@ -24,6 +24,29 @@ use std::{
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};
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use thiserror::Error;
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/// Prototype of a native loader entry point
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///
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/// program_id: Program ID of the currently executing program
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/// keyed_accounts: Accounts passed as part of the instruction
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/// instruction_data: Instruction data
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/// invoke_context: Invocation context
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pub type LoaderEntrypoint = unsafe extern "C" fn(
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program_id: &Pubkey,
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instruction_data: &[u8],
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invoke_context: &dyn InvokeContext,
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) -> Result<(), InstructionError>;
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// Prototype of a native program entry point
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///
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/// program_id: Program ID of the currently executing program
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/// keyed_accounts: Accounts passed as part of the instruction
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/// instruction_data: Instruction data
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pub type ProgramEntrypoint = unsafe extern "C" fn(
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program_id: &Pubkey,
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keyed_accounts: &[KeyedAccount],
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instruction_data: &[u8],
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) -> Result<(), InstructionError>;
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#[derive(Error, Debug, Serialize, Clone, PartialEq, FromPrimitive, ToPrimitive)]
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pub enum NativeLoaderError {
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#[error("Entrypoint name in the account data is not a valid UTF-8 string")]
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@ -1,163 +0,0 @@
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//! Solana Native program entry point
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use crate::{instruction::InstructionError, keyed_account::KeyedAccount, pubkey::Pubkey};
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// Prototype of a native program entry point
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///
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/// program_id: Program ID of the currently executing program
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/// keyed_accounts: Accounts passed as part of the instruction
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/// instruction_data: Instruction data
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pub type ProgramEntrypoint = unsafe extern "C" fn(
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program_id: &Pubkey,
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keyed_accounts: &[KeyedAccount],
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instruction_data: &[u8],
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) -> Result<(), InstructionError>;
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#[rustversion::since(1.46.0)]
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#[macro_export]
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macro_rules! declare_name {
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($name:ident, $filename:ident, $id:path) => {
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#[macro_export]
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macro_rules! $name {
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() => {
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// Subtle:
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// The outer `declare_name!` macro may be expanded in another
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// crate, causing the macro `$name!` to be defined in that
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// crate. We want to emit a call to `$crate::id()`, and have
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// `$crate` be resolved in the crate where `$name!` gets defined,
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// *not* in this crate (where `declare_name! is defined).
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//
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// When a macro_rules! macro gets expanded, any $crate tokens
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// in its output will be 'marked' with the crate they were expanded
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// from. This includes nested macros like our macro `$name` - even
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// though it looks like a separate macro, Rust considers it to be
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// just another part of the output of `declare_program!`.
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//
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// We pass `$name` as the second argument to tell `respan!` to
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// apply use the `Span` of `$name` when resolving `$crate::id`.
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// This causes `$crate` to behave as though it was written
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// at the same location as the `$name` value passed
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// to `declare_name!` (e.g. the 'foo' in
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// `declare_name(foo)`
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//
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// See the `respan!` macro for more details.
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// This should use `crate::respan!` once
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// https://github.com/rust-lang/rust/pull/72121 is merged:
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// see https://github.com/solana-labs/solana/issues/10933.
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// For now, we need to use `::solana_sdk`
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//
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// `respan!` respans the path `$crate::id`, which we then call (hence the extra
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// parens)
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(
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stringify!($filename).to_string(),
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::solana_sdk::respan!($crate::$id, $name)(),
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)
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};
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}
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};
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}
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#[rustversion::not(since(1.46.0))]
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#[macro_export]
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macro_rules! declare_name {
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($name:ident, $filename:ident, $id:path) => {
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#[macro_export]
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macro_rules! $name {
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() => {
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(stringify!($filename).to_string(), $crate::$id())
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};
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}
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};
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}
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/// Convenience macro to declare a native program
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///
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/// bs58_string: bs58 string representation the program's id
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/// name: Name of the program
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/// filename: must match the library name in Cargo.toml
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/// entrypoint: Program's entrypoint, must be of `type Entrypoint`
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/// id: Path to the program id access function, used if this macro is not
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/// called in `src/lib`
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///
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/// # Examples
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///
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/// ```
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/// use std::str::FromStr;
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/// # // wrapper is used so that the macro invocation occurs in the item position
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/// # // rather than in the statement position which isn't allowed.
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/// # mod item_wrapper {
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/// use solana_sdk::{
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/// declare_program,
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/// instruction::InstructionError,
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/// process_instruction::InvokeContext,
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/// pubkey::Pubkey,
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/// };
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///
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/// fn my_process_instruction(
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/// first_instruction_account: usize,
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/// instruction_data: &[u8],
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/// invoke_context: &mut dyn InvokeContext,
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/// ) -> Result<(), InstructionError> {
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/// // Process an instruction
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/// Ok(())
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/// }
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///
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/// declare_program!(
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/// "My11111111111111111111111111111111111111111",
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/// solana_my_program,
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/// my_process_instruction
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/// );
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///
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/// # }
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/// # use solana_sdk::pubkey::Pubkey;
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/// # use item_wrapper::id;
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/// let my_id = Pubkey::from_str("My11111111111111111111111111111111111111111").unwrap();
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/// assert_eq!(id(), my_id);
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/// ```
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/// ```
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/// use std::str::FromStr;
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/// # // wrapper is used so that the macro invocation occurs in the item position
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/// # // rather than in the statement position which isn't allowed.
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/// # mod item_wrapper {
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/// use solana_sdk::{
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/// declare_program,
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/// instruction::InstructionError,
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/// process_instruction::InvokeContext,
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/// pubkey::Pubkey,
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/// };
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///
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/// fn my_process_instruction(
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/// first_instruction_account: usize,
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/// instruction_data: &[u8],
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/// invoke_context: &mut dyn InvokeContext,
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/// ) -> Result<(), InstructionError> {
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/// // Process an instruction
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/// Ok(())
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/// }
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///
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/// declare_program!(
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/// solana_sdk::system_program::ID,
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/// solana_my_program,
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/// my_process_instruction
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/// );
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/// # }
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///
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/// # use item_wrapper::id;
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/// assert_eq!(id(), solana_sdk::system_program::ID);
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/// ```
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#[macro_export]
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macro_rules! declare_program(
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($bs58_string:expr, $name:ident, $entrypoint:expr) => (
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$crate::declare_id!($bs58_string);
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$crate::declare_name!($name, $name, id);
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#[no_mangle]
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pub extern "C" fn $name(
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first_instruction_account: usize,
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instruction_data: &[u8],
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invoke_context: &mut dyn $crate::process_instruction::InvokeContext,
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) -> Result<(), $crate::instruction::InstructionError> {
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$entrypoint(first_instruction_account, instruction_data, invoke_context)
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}
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)
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);
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@ -20,7 +20,6 @@ pub mod deserialize_utils;
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pub mod ed25519_instruction;
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pub mod entrypoint;
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pub mod entrypoint_deprecated;
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pub mod entrypoint_native;
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pub mod epoch_info;
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pub mod exit;
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pub mod feature;
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@ -12,18 +12,6 @@ use solana_sdk::{
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};
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use std::{cell::RefCell, fmt::Debug, rc::Rc, sync::Arc};
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/// Prototype of a native loader entry point
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///
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/// program_id: Program ID of the currently executing program
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/// keyed_accounts: Accounts passed as part of the instruction
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/// instruction_data: Instruction data
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/// invoke_context: Invocation context
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pub type LoaderEntrypoint = unsafe extern "C" fn(
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program_id: &Pubkey,
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instruction_data: &[u8],
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invoke_context: &dyn InvokeContext,
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) -> Result<(), InstructionError>;
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pub type ProcessInstructionWithContext =
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fn(usize, &[u8], &mut dyn InvokeContext) -> Result<(), InstructionError>;
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