arch_program 0.6.8

A Rust library for building programs that run inside the Arch Virtual Machine. Provides core functionality for creating instructions, managing accounts, handling program errors, and interacting with the Arch runtime environment. Includes utilities for logging, transaction handling, and Bitcoin UTXO management.
Documentation 
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//! Syscall-backed curve25519 (edwards25519 / ristretto255) group operations.
//!
//! These wrappers mirror Solana's `solana-curve25519` crate. On-chain
//! (`target_os = "solana"`) they call the native `sol_curve_*` syscalls, which
//! are orders of magnitude cheaper than running `curve25519-dalek` in software
//! inside the BPF VM. Off-chain they fall back to `curve25519-dalek` directly so
//! the same code can be used for client-side and on-host verification.
//!
//! Points are 32-byte compressed encodings and scalars are 32-byte
//! little-endian values. A `Some`/return code of `0` indicates success; invalid
//! or off-curve inputs yield `None`/a nonzero return code.

pub mod curve_syscall_traits;
pub mod edwards;
pub mod errors;
pub mod ristretto;
pub mod scalar;