lessvm/website/docs/solana.html at main · openSVM/lessvm · GitHub

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<!DOCTYPE html>
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    <meta name="description" content="lessVM Solana Integration - Native Solana blockchain features and SPL token operations">
    <title>lessVM Solana Integration</title>
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            <a href="../" class="logo">less<span class="highlight">VM</span> 1.0.0</a>
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    <main class="container docs-content">
        <h1>Solana Integration</h1>

        <section>
            <h2>Account Management</h2>
            <div class="card">
                <h3>Account Operations</h3>
                <pre><code class="language-rust">impl<'a> VM<'a> {
    fn validate_account(&self, index: usize) -> ProgramResult {
        let account = self.accounts.get(index)?;
        if !account.is_writable {
            return Err(VMError::AccountNotWritable.into());
        }
        if account.owner != self.program_id {
            return Err(VMError::InvalidAccountOwner.into());
        }
        Ok(())
    }
}</code></pre>
                <ul>
                    <li>→ Account ownership verification</li>
                    <li>→ Write permission checks</li>
                    <li>→ Lamport balance validation</li>
                    <li>→ Account data size management</li>
                </ul>
            </div>
        </section>

        <section>
            <h2>SPL Token Operations</h2>
            <div class="card">
                <h3>Token Instructions</h3>
                <pre><code class="language-rust">pub enum SPLOperation {
    Transfer,
    MintTo,
    Burn,
    Approve,
    Revoke,
    InitializeAccount,
    CloseAccount,
}

impl SPLOperations {
    fn execute_spl_op(&self, op: SPLOperation) -> ProgramResult {
        match op {
            SPLOperation::Transfer => self.token_transfer()?,
            SPLOperation::MintTo => self.token_mint_to()?,
            // More operations...
        }
        Ok(())
    }
}</code></pre>
                <ul>
                    <li>→ Token transfers</li>
                    <li>→ Minting operations</li>
                    <li>→ Account management</li>
                    <li>→ Authority validation</li>
                </ul>
            </div>
        </section>

        <section>
            <h2>Cross-Program Invocation</h2>
            <div class="card">
                <h3>CPI Framework</h3>
                <pre><code class="language-rust">pub struct CPIContext<'a> {
    program_id: &'a Pubkey,
    accounts: &'a [AccountInfo<'a>],
    data: &'a [u8],
}

impl<'a> VM<'a> {
    fn execute_cpi(&self, context: CPIContext) -> ProgramResult {
        solana_program::program::invoke(
            &Instruction::new_with_bytes(
                *context.program_id,
                context.data,
                context.accounts.to_vec(),
            ),
            context.accounts,
        )
    }
}</code></pre>
                <ul>
                    <li>→ Safe CPI execution</li>
                    <li>→ Account privilege preservation</li>
                    <li>→ Recursive CPI support</li>
                    <li>→ Error propagation</li>
                </ul>
            </div>
        </section>

        <section>
            <h2>Security Model</h2>
            <div class="card">
                <h3>Security Checks</h3>
                <pre><code class="language-rust">impl SecurityChecker {
    fn check_account_ownership(&self, account_idx: usize) -> ProgramResult {
        let account = &self.accounts[account_idx];
        if account.owner != self.program_id {
            return Err(ProgramError::IllegalOwner);
        }
        Ok(())
    }

    fn check_signer(&self, account_idx: usize) -> ProgramResult {
        let account = &self.accounts[account_idx];
        if !account.is_signer {
            return Err(ProgramError::MissingRequiredSignature);
        }
        Ok(())
    }
}</code></pre>
                <ul>
                    <li>→ Account ownership verification</li>
                    <li>→ Signer validation</li>
                    <li>→ Write permission checks</li>
                    <li>→ Balance validation</li>
                </ul>
            </div>
        </section>

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