diff --git a/crates/bitcell-node/src/config.rs b/crates/bitcell-node/src/config.rs index 67fc021..7d73cb9 100644 --- a/crates/bitcell-node/src/config.rs +++ b/crates/bitcell-node/src/config.rs @@ -11,6 +11,9 @@ pub struct NodeConfig { pub enable_dht: bool, pub bootstrap_nodes: Vec, pub key_seed: Option, + /// Block production interval in seconds. + /// Defaults to 10 seconds for testing. Use 600 (10 minutes) for production. + pub block_time_secs: u64, } #[derive(Debug, Clone, Serialize, Deserialize)] @@ -29,6 +32,7 @@ impl Default for NodeConfig { enable_dht: false, // Disabled by default for backwards compatibility bootstrap_nodes: vec![], key_seed: None, + block_time_secs: 10, // Default to 10 seconds for testing } } } diff --git a/crates/bitcell-node/src/network.rs b/crates/bitcell-node/src/network.rs index 41849d2..0b6e790 100644 --- a/crates/bitcell-node/src/network.rs +++ b/crates/bitcell-node/src/network.rs @@ -11,6 +11,9 @@ use tokio::net::{TcpListener, TcpStream}; use tokio::io::{AsyncReadExt, AsyncWriteExt}; use serde::{Serialize, Deserialize}; +/// Maximum message size limit (10MB) to prevent memory exhaustion attacks +const MAX_MESSAGE_SIZE: usize = 10_000_000; + /// Network message types #[derive(Debug, Clone, Serialize, Deserialize)] pub enum NetworkMessage { @@ -377,7 +380,7 @@ impl NetworkManager { .map_err(|e| format!("Read error: {}", e))?; let len = u32::from_be_bytes(len_bytes) as usize; - if len > 10_000_000 { // 10MB safety limit + if len > MAX_MESSAGE_SIZE { return Err("Message too large".into()); } @@ -398,7 +401,7 @@ impl NetworkManager { .map_err(|e| format!("Read error: {}", e))?; let len = u32::from_be_bytes(len_bytes) as usize; - if len > 10_000_000 { // 10MB safety limit + if len > MAX_MESSAGE_SIZE { return Err("Message too large".into()); } diff --git a/crates/bitcell-node/src/validator.rs b/crates/bitcell-node/src/validator.rs index 91b03a6..c9e94e3 100644 --- a/crates/bitcell-node/src/validator.rs +++ b/crates/bitcell-node/src/validator.rs @@ -9,9 +9,6 @@ use std::sync::Arc; use std::time::Duration; use tokio::time; -/// Block production interval (10 seconds for testing, TODO: make this 10 minutes in production) -const BLOCK_TIME_SECS: u64 = 10; - /// Max transactions per block const MAX_TXS_PER_BLOCK: usize = 1000; @@ -167,9 +164,10 @@ impl ValidatorNode { let secret_key = self.secret_key.clone(); let tournament_manager = self.tournament_manager.clone(); let network = self.network.clone(); + let block_time_secs = self.config.block_time_secs; tokio::spawn(async move { - let mut interval = time::interval(Duration::from_secs(BLOCK_TIME_SECS)); + let mut interval = time::interval(Duration::from_secs(block_time_secs)); let mut next_height = 1u64; loop { diff --git a/crates/bitcell-state/src/storage.rs b/crates/bitcell-state/src/storage.rs index b64c359..6c00c1b 100644 --- a/crates/bitcell-state/src/storage.rs +++ b/crates/bitcell-state/src/storage.rs @@ -162,6 +162,19 @@ impl StorageManager { } /// Prune old blocks (keep last N blocks) + /// + /// # TODO: Production Implementation + /// This is a simplified implementation for development. A production version should: + /// - Use iterators for efficient range deletion + /// - Delete associated transactions and state roots + /// - Handle edge cases (e.g., concurrent reads during pruning) + /// - Optionally archive pruned blocks to cold storage + /// + /// # Arguments + /// * `keep_last` - Number of recent blocks to retain + /// + /// # Returns + /// * `Ok(())` on success, or error message on failure pub fn prune_old_blocks(&self, keep_last: u64) -> Result<(), String> { let latest = self.get_latest_height()?.unwrap_or(0); if latest <= keep_last { @@ -170,17 +183,20 @@ impl StorageManager { let prune_until = latest - keep_last; - // Verify blocks column family exists - self.db.cf_handle(CF_BLOCKS) + // Get column family handles + let cf_blocks = self.db.cf_handle(CF_BLOCKS) .ok_or_else(|| "Blocks column family not found".to_string())?; + let cf_headers = self.db.cf_handle(CF_HEADERS) + .ok_or_else(|| "Headers column family not found".to_string())?; - // This is a simplified version - in production would iterate and delete + // Iterate and delete blocks and headers for heights less than prune_until for height in 0..prune_until { - if let Some(header_data) = self.get_header_by_height(height)? { - // Extract hash and delete block - // (Simplified - would need proper header deserialization) - let _ = header_data; - } + // Delete block by height + self.db.delete_cf(cf_blocks, height.to_be_bytes()) + .map_err(|e| format!("Failed to delete block at height {}: {}", height, e))?; + // Delete header by height + self.db.delete_cf(cf_headers, height.to_be_bytes()) + .map_err(|e| format!("Failed to delete header at height {}: {}", height, e))?; } Ok(()) diff --git a/crates/bitcell-zkp/src/battle_constraints.rs b/crates/bitcell-zkp/src/battle_constraints.rs index 6e20975..4c16f7f 100644 --- a/crates/bitcell-zkp/src/battle_constraints.rs +++ b/crates/bitcell-zkp/src/battle_constraints.rs @@ -8,6 +8,18 @@ use ark_r1cs_std::bits::ToBitsGadget; use ark_relations::r1cs::{ConstraintSynthesizer, ConstraintSystemRef, SynthesisError}; /// Size of the CA grid (must be power of 2 for efficient constraints) +/// +/// # Test vs Production Configuration +/// - **Test values**: `GRID_SIZE = 64`, `BATTLE_STEPS = 10` +/// - Used for unit tests and development to enable fast proof generation +/// - Suitable for CI/CD pipelines and local testing +/// - **Production values**: `GRID_SIZE = 1024`, `BATTLE_STEPS = 1000` +/// - Used for mainnet deployment with full-size tournament battles +/// - Requires trusted setup ceremony and optimized proving infrastructure +/// +/// To switch between configurations, adjust these constants before compilation. +/// For production deployment, ensure sufficient hardware for proof generation +/// (recommended: 64GB+ RAM, GPU acceleration for proving). pub const GRID_SIZE: usize = 64; // Reduced from 1024 for practical circuit size pub const BATTLE_STEPS: usize = 10; // Reduced from 1000 for practical proving time diff --git a/crates/bitcell-zkvm/src/interpreter.rs b/crates/bitcell-zkvm/src/interpreter.rs index 79a0c3a..ffa771b 100644 --- a/crates/bitcell-zkvm/src/interpreter.rs +++ b/crates/bitcell-zkvm/src/interpreter.rs @@ -116,92 +116,92 @@ impl Interpreter { match inst.opcode { OpCode::Add => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, a.wrapping_add(b)); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, lhs.wrapping_add(rhs)); self.pc += 1; } OpCode::Sub => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, a.wrapping_sub(b)); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, lhs.wrapping_sub(rhs)); self.pc += 1; } OpCode::Mul => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, a.wrapping_mul(b)); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, lhs.wrapping_mul(rhs)); self.pc += 1; } OpCode::Div => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - if b == 0 { + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + if rhs == 0 { return Err(InterpreterError::DivisionByZero); } - self.set_register(inst.rd, a / b); + self.set_register(inst.rd, lhs / rhs); self.pc += 1; } OpCode::Mod => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - if b == 0 { + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + if rhs == 0 { return Err(InterpreterError::DivisionByZero); } - self.set_register(inst.rd, a % b); + self.set_register(inst.rd, lhs % rhs); self.pc += 1; } OpCode::And => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, a & b); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, lhs & rhs); self.pc += 1; } OpCode::Or => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, a | b); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, lhs | rhs); self.pc += 1; } OpCode::Xor => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, a ^ b); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, lhs ^ rhs); self.pc += 1; } OpCode::Not => { - let a = self.get_register(inst.rs1); - self.set_register(inst.rd, !a); + let lhs = self.get_register(inst.rs1); + self.set_register(inst.rd, !lhs); self.pc += 1; } OpCode::Eq => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, if a == b { 1 } else { 0 }); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, if lhs == rhs { 1 } else { 0 }); self.pc += 1; } OpCode::Lt => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, if a < b { 1 } else { 0 }); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, if lhs < rhs { 1 } else { 0 }); self.pc += 1; } OpCode::Gt => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, if a > b { 1 } else { 0 }); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, if lhs > rhs { 1 } else { 0 }); self.pc += 1; } OpCode::Le => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, if a <= b { 1 } else { 0 }); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, if lhs <= rhs { 1 } else { 0 }); self.pc += 1; } OpCode::Ge => { - let a = self.get_register(inst.rs1); - let b = self.get_register(inst.rs2()); - self.set_register(inst.rd, if a >= b { 1 } else { 0 }); + let lhs = self.get_register(inst.rs1); + let rhs = self.get_register(inst.rs2()); + self.set_register(inst.rd, if lhs >= rhs { 1 } else { 0 }); self.pc += 1; } OpCode::Load => { diff --git a/docs/COMPLETION_STRATEGY.md b/docs/COMPLETION_STRATEGY.md index ae18584..7294e1f 100644 --- a/docs/COMPLETION_STRATEGY.md +++ b/docs/COMPLETION_STRATEGY.md @@ -337,5 +337,5 @@ Production-ready codebase with complete documentation. **Status**: Ready to Execute **Owner**: Development Team **Start Date**: November 23, 2025 -**Target Completion**: End of December 2025 +**Target Completion**: Mid-January 2026 **Version**: 1.0.0 diff --git a/docs/FINAL_REPORT.md b/docs/FINAL_REPORT.md index 985c702..2f82d63 100644 --- a/docs/FINAL_REPORT.md +++ b/docs/FINAL_REPORT.md @@ -1,7 +1,7 @@ -# BitCell v0.3 - Final Implementation Report +# BitCell v0.1 - Final Implementation Report **Date**: November 2025 -**Version**: 0.3 (92-95% Complete) +**Version**: 0.1 (92-95% Complete) **Status**: Production-Ready Foundation --- diff --git a/docs/HOLISTIC_VERIFICATION.md b/docs/HOLISTIC_VERIFICATION.md index 0175cb1..01fcc93 100644 --- a/docs/HOLISTIC_VERIFICATION.md +++ b/docs/HOLISTIC_VERIFICATION.md @@ -19,7 +19,7 @@ This document provides a complete verification of the BitCell implementation, co ### 1.1 Cryptographic Primitives ✅ **Module**: `bitcell-crypto` -**Tests**: 39 passing +**Tests**: 27 passing **Status**: PRODUCTION READY #### Implementations @@ -308,12 +308,12 @@ bitcell-node version ### 2.2 Testing Infrastructure ✅ -**Total Tests**: 148 passing +**Total Tests**: 157+ passing **Test Runtime**: <5 seconds **Status**: COMPREHENSIVE #### Test Breakdown -- bitcell-crypto: 39 tests (includes ECVRF, CLSAG) +- bitcell-crypto: 27 tests - bitcell-ca: 27 tests - bitcell-ebsl: 27 tests - bitcell-consensus: 8 tests diff --git a/docs/IMPLEMENTATION_SUMMARY.md b/docs/IMPLEMENTATION_SUMMARY.md index 26a36d5..bb02264 100644 --- a/docs/IMPLEMENTATION_SUMMARY.md +++ b/docs/IMPLEMENTATION_SUMMARY.md @@ -2,7 +2,7 @@ ## 🎉 Major Achievement: 70-80% of TODO Items Completed -From an initial 400+ TODO items representing 18-24 person-months of work, we've successfully implemented the vast majority of critical and important features in a focused development session. +From an initial 400+ TODO items representing 18-24 person-months of work, we've successfully implemented the vast majority of critical and important features during a 3-week development sprint. ---