switchboard-on-demand 0.10.3

A Rust library to interact with the Switchboard Solana program.
Documentation 
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//! Solana version compatibility layer
//!
//! This module provides compatibility between different Solana versions,
//! ensuring the correct types and modules are available regardless of which
//! version of the Solana SDK is being used.

// ===== Compile-time feature compatibility checks =====

// Ensure only one Solana version is enabled
#[cfg(all(feature = "solana-v2", feature = "solana-v3"))]
compile_error!("Cannot enable both 'solana-v2' and 'solana-v3' features at the same time. Choose one.");

// Ensure only one client version is enabled
#[cfg(all(feature = "client", feature = "client-v3"))]
compile_error!("Cannot enable both 'client' and 'client-v3' features at the same time. Use 'client' for Solana v2 or 'client-v3' for Solana v3.");

#[cfg(all(feature = "client-v2", feature = "client-v3"))]
compile_error!("Cannot enable both 'client-v2' and 'client-v3' features at the same time. Use 'client-v2' for Solana v2 or 'client-v3' for Solana v3.");

// When anchor is enabled, use anchor's solana_program (v2.x)
#[cfg(feature = "anchor")]
pub use anchor_lang::solana_program;

// When anchor is NOT enabled, use version-specific solana_program
// v3 takes precedence when both v2 and v3 are enabled
#[cfg(all(not(feature = "anchor"), feature = "solana-v2"))]
pub use solana_program_v2 as solana_program;
#[cfg(all(not(feature = "anchor"), feature = "solana-v3"))]
pub use solana_program_v3 as solana_program;

// ===== solana_sdk (only when client is enabled) =====
// Version-specific solana_sdk selection based on features

// When client-v3 is enabled, expose solana_sdk v3
#[cfg(feature = "client-v3")]
pub use solana_sdk_v3 as solana_sdk;

// When client is enabled (default v2), expose solana_sdk v2
#[cfg(all(feature = "client", not(feature = "client-v3")))]
pub use solana_sdk_v2 as solana_sdk;

// ===== Unified module re-exports for both v2 and v3 =====
// These modules exist in different places in v2 vs v3
// Re-export them here to provide a consistent API

// V2: these come from solana_sdk
#[cfg(all(any(feature = "client", feature = "client-v2"), not(feature = "client-v3")))]
pub mod address_lookup_table {
    #[allow(deprecated)]
    pub use solana_sdk_v2::address_lookup_table::*;
}

#[cfg(all(any(feature = "client", feature = "client-v2"), not(feature = "client-v3")))]
pub mod compute_budget {
    #[allow(deprecated)]
    pub use solana_sdk_v2::compute_budget::*;
}

#[cfg(all(any(feature = "client", feature = "client-v2"), not(feature = "client-v3")))]
pub mod commitment_config {
    #[allow(deprecated)]
    pub use solana_sdk_v2::commitment_config::*;
}

// V3: These modules were moved to separate crates in Solana v3
// However, those crates are not yet published to crates.io
// WORKAROUND: Use v2 versions with to_bytes().into() conversions
#[cfg(feature = "client-v3")]
pub mod address_lookup_table {
    // Use v2 SDK modules as compat layer
    // Convert types using to_bytes().into() when interfacing with v3 types
    #[allow(deprecated)]
    pub use solana_sdk_v2::address_lookup_table::*;
}

#[cfg(feature = "client-v3")]
pub mod compute_budget {
    // Use v2 SDK modules as compat layer
    #[allow(deprecated)]
    pub use solana_sdk_v2::compute_budget::*;
}

#[cfg(feature = "client-v3")]
pub mod commitment_config {
    // Use v2 SDK modules as compat layer
    #[allow(deprecated)]
    pub use solana_sdk_v2::commitment_config::*;
}

#[cfg(feature = "client-v3")]
pub mod client {
    // SyncClient from v2 for compatibility
    #[allow(deprecated)]
    pub use solana_sdk_v2::client::*;
}

// ===== solana_client (when client or client-v3 is enabled) =====
// Version-specific solana-client selection based on features

// When client-v3 is enabled, use solana-client v3
#[cfg(feature = "client-v3")]
pub use solana_client_v3 as solana_client;

// When client is enabled (default v2), use solana-client v2
#[cfg(all(feature = "client", not(feature = "client-v3")))]
pub use solana_client_v2 as solana_client;

// Re-export common types for easier access
pub use solana_program::{
    account_info::AccountInfo,
    instruction::{AccountMeta, Instruction},
    msg,
    pubkey::{pubkey, Pubkey},
    sysvar,
};

pub use solana_program::{ed25519_program, hash, syscalls};

extern "C" {
    pub fn sol_memcpy_(dst: *mut u8, src: *const u8, n: u64);
}

// AddressLookupTableAccount location differs between versions
// For v2, it's in solana_program
#[cfg(all(feature = "solana-v2", not(feature = "solana-v3")))]
pub use solana_program::address_lookup_table::AddressLookupTableAccount;

// For v3 when used with client-v3, get it from our v2-compat re-exported address_lookup_table module
#[cfg(all(feature = "solana-v3", feature = "client-v3"))]
pub use address_lookup_table::AddressLookupTableAccount;

/// Cluster type enum for specifying Solana network environments
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum ClusterType {
    /// Solana mainnet-beta
    MainnetBeta,
    /// Solana testnet
    Testnet,
    /// Solana devnet
    Devnet,
    /// Local development environment
    Development,
}