Lightweight Virtual Machine
for Solana

A high-performance, gas-optimized VM designed specifically for Solana blockchain

→ Get Started → View Examples

KEY FEATURES

⚡ High Performance

impl VM {
    fn execute(&mut self) -> ProgramResult {
        while self.pc < self.code.len() {
            self.gas_metering.charge_gas(
                self.config.base_cost
            )?;
            // Optimized execution loop
        }
        Ok(())
    }
}

→ Sophisticated gas metering
→ Efficient memory management
→ Optimized instruction set

🔒 Secure by Design

impl SecurityChecker {
    fn validate_account(&self) -> ProgramResult {
        if !account.is_writable {
            return Err(VMError::AccountNotWritable);
        }
        // Additional security checks
        Ok(())
    }
}

→ Built-in security checks
→ Memory safety guarantees
→ Account validation

🔧 Developer Friendly

// Simple addition program
let program = vec![
    0x01, 0x05,  // PUSH1 5
    0x01, 0x03,  // PUSH1 3
    0x10,        // ADD
    0xFF         // HALT
];

→ Simple instruction set
→ Comprehensive debugging
→ Clear documentation

🌐 Solana Native

impl SPLOperations {
    fn execute_spl_op(&self, op: SPLOperation) {
        match op {
            SPLOperation::Transfer => self.token_transfer()?,
            SPLOperation::MintTo => self.token_mint_to()?,
            // More SPL operations
        }
    }
}

→ SPL token support
→ Cross-program invocation
→ Native account handling

QUICK START

// Create a new lessVM instance
let program = vec![
    OpCode::Push1 as u8, 5,  // Push 5 onto stack
    OpCode::Push1 as u8, 3,  // Push 3 onto stack
    OpCode::Add as u8,       // Add them together
    OpCode::Log as u8,       // Log result
    OpCode::Halt as u8       // Stop execution
];

let mut vm = VM::new(&program, accounts);
vm.execute()?;

DOCUMENTATION

Command Line

→ Installation Guide
→ Project Management
→ Build & Deploy
→ Development Tools

Architecture

→ Stack-based VM
→ 32-slot stack depth
→ 1024 bytes memory
→ Optimized gas model

Instructions

→ Stack Operations
→ Math Operations
→ Memory Access
→ Control Flow

Solana Integration

→ Account Management
→ Token Operations
→ CPI Support
→ Security Model

Examples

→ Basic Programs
→ Token Transfers
→ Smart Contracts
→ Advanced Usage