Code shared from the Rust Playground

playground.rs

/*
 * ⛓️ THE UR-LANGUAGES OF CONSENSUS: UNIFIED SPEC v1.2 ⛓️
 * Architecture: BIP-64MOD + GCC
 */

#[allow(dead_code)]
#[derive(Debug, Clone, PartialEq)]
enum Opcode {
    OpAdd,      
    OpEqual,    
    OpCheckSig, 
    OpReveal(u64),
}

#[derive(Debug, Clone)]
enum ScriptElement {
    Value(i64),     
    Op(Opcode),     
}

struct SovereignEngine {
    stack: Vec<i64>,        
    utxo_set: Vec<i64>,     
    is_standard: bool,      
}

impl SovereignEngine {
    fn new(initial_utxo: i64) -> Self {
        Self {
            stack: Vec::new(),
            utxo_set: vec![initial_utxo], 
            is_standard: true,
        }
    }

    fn validate_standardness(&self, val: i64) -> bool {
        val >= i64::MIN && val <= i64::MAX && self.is_standard
    }

    fn push(&mut self, val: i64) {
        if self.validate_standardness(val) {
            self.stack.push(val);
        } else {
            eprintln!("Consensus Failure: Non-standard value detected.");
        }
    }

    fn execute(&mut self, element: ScriptElement) {
        match element {
            ScriptElement::Value(v) => self.push(v),
            ScriptElement::Op(Opcode::OpReveal(hash)) => {
                println!(">>> LISP CONCEPT: Revealing code from hash: {:x}", hash);
                self.push(1); 
            }
            ScriptElement::Op(op) => self.apply_opcode(op),
        }
    }

    fn apply_opcode(&mut self, opcode: Opcode) {
        match opcode {
            Opcode::OpAdd => {
                let a = self.stack.pop().unwrap_or(0);
                let b = self.stack.pop().unwrap_or(0);
                self.push(a + b);
            }
            Opcode::OpEqual => {
                let a = self.stack.pop().unwrap_or(0);
                let b = self.stack.pop().unwrap_or(0);
                self.push(if a == b { 1 } else { 0 });
            }
            Opcode::OpCheckSig => {
                println!(">>> APL-STYLE PRIMITIVE: Executing BIP-64MOD Signature Verification...");
                let result = if self.stack.last() == Some(&1) { 1 } else { 0 };
                self.stack.push(result);
            }
            _ => {}
        }
    }

    fn print_architectural_summary() {
        println!("\n--- ARCHITECTURAL COMPLIANCE SUMMARY ---");
        println!("[FORTH]  : LIFO stack ensures deterministic, linear execution.");
        println!("[MUMPS]  : UTXO set as the primary global state (State-as-Database).");
        println!("[APL]    : Complex cryptographic density abstracted into symbolic Opcodes.");
        println!("[COBOL]  : 64-bit fixed-point math for absolute financial auditability.");
        println!("[PASCAL] : Standardness guardrails enforce strict range and type safety.");
        println!("[LISP]   : Homoiconicity via P2SH; script-hashes treated as data-code.");
        println!("----------------------------------------");
    }
}

fn main() {
    let mut engine = SovereignEngine::new(5);

    println!("--- BIP-64MOD / SOVEREIGN ENGINE UNIFIED SIMULATION ---");

    engine.execute(ScriptElement::Value(2));
    engine.execute(ScriptElement::Value(3));
    engine.execute(ScriptElement::Op(Opcode::OpAdd));
    
    let target = engine.utxo_set[0];
    engine.execute(ScriptElement::Value(target));
    engine.execute(ScriptElement::Op(Opcode::OpEqual));

    engine.execute(ScriptElement::Op(Opcode::OpReveal(0xDEADBEEF)));
    engine.execute(ScriptElement::Op(Opcode::OpCheckSig));

    let final_val = engine.stack.last().cloned().unwrap_or(0);
    if final_val == 1 {
        println!("\n[RESULT]: SUCCESS. Unified Ur-Language constraints satisfied.");
    } else {
        println!("\n[RESULT]: FAILURE. Script did not evaluate to True.");
    }

    SovereignEngine::print_architectural_summary();
}