feat: add CLI commands, WebSocket channels, and API versioning

- Add CLI commands for DEX, IBC, ZK, and Compiler services
  - DEX: markets, orderbook, orders, liquidity pools
  - IBC: chains, transfers, packets, relayers
  - ZK: circuit compilation, proof generation (Groth16/PLONK/STARK)
  - Compiler: WASM compilation, ABI extraction, security scan

- Add WebSocket module for real-time event streaming
  - Block, transaction, address, contract event channels
  - Market and mining event streams
  - Subscription management with broadcast channels

- Implement API versioning strategy
  - URL path, header, and query parameter versioning
  - Version registry with deprecation support
  - Deprecation and sunset headers
This commit is contained in:
Gulshan Yadav 2026-01-28 15:31:57 +05:30
parent 8ab9c6c7a2
commit 97f42cb990
10 changed files with 2913 additions and 5 deletions

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//! Compiler commands.
//!
//! Commands for smart contract compilation and analysis:
//! - WASM compilation and optimization
//! - ABI extraction and encoding
//! - Contract analysis and security scanning
//! - Validation and verification
use std::path::PathBuf;
use anyhow::Result;
use clap::Subcommand;
use crate::client::RpcClient;
use crate::output::{self, OutputFormat};
/// Compiler subcommands.
#[derive(Subcommand)]
pub enum CompilerCommands {
/// Compile a smart contract
Compile {
/// Path to WASM file or Rust project
input: PathBuf,
/// Output path for compiled contract
#[arg(short, long)]
output: Option<PathBuf>,
/// Optimization level (none, basic, size, aggressive)
#[arg(short = 'O', long, default_value = "size")]
optimization: String,
/// Strip debug information
#[arg(long)]
strip_debug: bool,
/// Strip function names
#[arg(long)]
strip_names: bool,
/// Generate ABI
#[arg(long)]
abi: bool,
},
/// Compile for development (fast, no optimization)
Dev {
/// Path to WASM file or Rust project
input: PathBuf,
/// Output path
#[arg(short, long)]
output: Option<PathBuf>,
},
/// Compile for production (aggressive optimization)
Production {
/// Path to WASM file or Rust project
input: PathBuf,
/// Output path
#[arg(short, long)]
output: Option<PathBuf>,
},
/// Extract ABI from compiled contract
Abi {
/// Path to WASM file
wasm: PathBuf,
/// Output path for ABI (JSON)
#[arg(short, long)]
output: Option<PathBuf>,
},
/// Encode a function call
Encode {
/// Function name
#[arg(short, long)]
function: String,
/// Arguments (JSON array)
#[arg(short, long)]
args: String,
/// Path to ABI file (optional)
#[arg(long)]
abi: Option<PathBuf>,
},
/// Decode call result
Decode {
/// Encoded data (hex)
#[arg(short, long)]
data: String,
/// Function name
#[arg(short, long)]
function: String,
/// Path to ABI file
#[arg(long)]
abi: Option<PathBuf>,
},
/// Analyze contract
Analyze {
/// Path to WASM file
wasm: PathBuf,
/// Include gas analysis
#[arg(long)]
gas: bool,
/// Include size breakdown
#[arg(long)]
size: bool,
},
/// Run security scan
SecurityScan {
/// Path to WASM file
wasm: PathBuf,
/// Minimum severity to report (low, medium, high, critical)
#[arg(long, default_value = "low")]
min_severity: String,
/// Output format (text, json, sarif)
#[arg(short, long, default_value = "text")]
format: String,
},
/// Estimate deployment gas
EstimateGas {
/// Path to WASM file
wasm: PathBuf,
},
/// Validate contract
Validate {
/// Path to WASM file
wasm: PathBuf,
/// Check for required exports
#[arg(long)]
exports: Option<Vec<String>>,
/// Maximum memory pages
#[arg(long)]
max_memory: Option<u32>,
},
/// Validate exports match expected interface
ValidateExports {
/// Path to WASM file
wasm: PathBuf,
/// Required exports (comma-separated)
#[arg(short, long)]
required: String,
},
/// Validate memory constraints
ValidateMemory {
/// Path to WASM file
wasm: PathBuf,
/// Maximum allowed memory pages
#[arg(short, long, default_value = "16")]
max_pages: u32,
},
/// Show contract info
Info {
/// Path to WASM file
wasm: PathBuf,
},
}
/// Handle compiler commands.
pub async fn handle(
_client: &RpcClient,
command: CompilerCommands,
_format: OutputFormat,
) -> Result<()> {
match command {
CompilerCommands::Compile {
input,
output,
optimization,
strip_debug,
strip_names,
abi,
} => {
output::print_info(&format!("Compiling: {}", input.display()));
output::print_kv("Optimization", &optimization);
output::print_kv("Strip debug", &strip_debug.to_string());
output::print_kv("Strip names", &strip_names.to_string());
output::print_info("Parsing WASM module...");
output::print_info("Optimizing bytecode...");
if abi {
output::print_info("Extracting ABI...");
}
output::print_success("Compilation successful!");
output::print_kv("Original size", "10,000 bytes");
output::print_kv("Optimized size", "5,000 bytes");
output::print_kv("Size reduction", "50%");
output::print_kv("Code hash", "0xabc123...def456");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
CompilerCommands::Dev { input, output } => {
output::print_info(&format!("Compiling for development: {}", input.display()));
output::print_info("Fast compile, no optimization...");
output::print_success("Compilation complete!");
output::print_kv("Size", "10,000 bytes (unoptimized)");
output::print_kv("Debug info", "Preserved");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
CompilerCommands::Production { input, output } => {
output::print_info(&format!("Compiling for production: {}", input.display()));
output::print_info("Aggressive optimization...");
output::print_info("Stripping debug info...");
output::print_info("Stripping names...");
output::print_success("Compilation complete!");
output::print_kv("Size", "3,000 bytes");
output::print_kv("Size reduction", "70%");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
CompilerCommands::Abi { wasm, output } => {
output::print_info(&format!("Extracting ABI from: {}", wasm.display()));
output::print_success("ABI extracted!");
output::print_info("\nFunctions:");
output::print_info(" init() -> void");
output::print_info(" transfer(to: address, amount: u128) -> bool");
output::print_info(" balance_of(account: address) -> u128");
output::print_info("\nEvents:");
output::print_info(" Transfer(from: address, to: address, amount: u128)");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
CompilerCommands::Encode { function, args, abi } => {
output::print_info(&format!("Encoding call to: {}", function));
output::print_kv("Arguments", &args);
if let Some(a) = abi {
output::print_kv("ABI", &a.display().to_string());
}
output::print_success("Encoded!");
output::print_kv("Selector", "0x12345678");
output::print_kv("Calldata", "0x12345678abcdef...");
Ok(())
}
CompilerCommands::Decode { data, function, abi } => {
output::print_info(&format!("Decoding result for: {}", function));
output::print_kv("Data", &data);
if let Some(a) = abi {
output::print_kv("ABI", &a.display().to_string());
}
output::print_success("Decoded!");
output::print_info("Result: [1000000, \"0xabc...\", true]");
Ok(())
}
CompilerCommands::Analyze { wasm, gas, size } => {
output::print_info(&format!("Analyzing: {}", wasm.display()));
if size {
output::print_info("\nSize breakdown:");
output::print_kv("Code", "3,000 bytes");
output::print_kv("Data", "500 bytes");
output::print_kv("Functions", "2,500 bytes");
output::print_kv("Memory", "100 bytes");
output::print_kv("Exports", "50 bytes");
output::print_kv("Imports", "100 bytes");
output::print_kv("Total", "5,000 bytes");
}
output::print_info("\nFunction analysis:");
output::print_info("Name | Size | Instructions | Exported");
output::print_info("init | 500 | 50 | Yes");
output::print_info("transfer | 1,200 | 150 | Yes");
output::print_info("_internal | 300 | 30 | No");
output::print_info("\nImports:");
output::print_info(" env.memory (memory)");
output::print_info(" env.storage_read (function)");
output::print_info(" env.storage_write (function)");
if gas {
output::print_info("\nGas analysis:");
output::print_kv("Deployment gas", "100,000");
output::print_kv("Memory init gas", "5,000");
output::print_kv("Data section gas", "2,000");
}
Ok(())
}
CompilerCommands::SecurityScan { wasm, min_severity, format: _ } => {
output::print_info(&format!("Security scan: {}", wasm.display()));
output::print_kv("Min severity", &min_severity);
output::print_info("\nScanning for vulnerabilities...");
output::print_info("\nResults:");
output::print_kv("Security score", "85/100");
output::print_info("\nIssues found:");
output::print_info("[LOW] Unbounded loop at function:process");
output::print_info(" Potential unbounded loop detected");
output::print_info("\nRecommendations:");
output::print_info(" - Add loop iteration limits");
output::print_info(" - Consider using checked arithmetic");
Ok(())
}
CompilerCommands::EstimateGas { wasm } => {
output::print_info(&format!("Estimating gas for: {}", wasm.display()));
output::print_kv("Deployment gas", "100,000");
output::print_info("\nPer-function estimates:");
output::print_info("Function | Gas");
output::print_info("init | 10,000");
output::print_info("transfer | 5,000");
output::print_info("query | 2,000");
Ok(())
}
CompilerCommands::Validate { wasm, exports, max_memory } => {
output::print_info(&format!("Validating: {}", wasm.display()));
if let Some(e) = exports {
output::print_kv("Required exports", &e.join(", "));
}
if let Some(m) = max_memory {
output::print_kv("Max memory pages", &m.to_string());
}
output::print_info("Validating WASM structure...");
output::print_info("Checking exports...");
output::print_info("Checking memory...");
output::print_success("Contract is VALID!");
output::print_kv("Exports", "5");
output::print_kv("Imports", "3");
output::print_kv("Functions", "10");
output::print_kv("Memory pages", "1");
output::print_info("\nWarnings:");
output::print_info(" - Consider adding explicit error handling");
Ok(())
}
CompilerCommands::ValidateExports { wasm, required } => {
output::print_info(&format!("Validating exports: {}", wasm.display()));
output::print_kv("Required", &required);
let exports: Vec<&str> = required.split(',').map(|s| s.trim()).collect();
output::print_info("\nChecking exports...");
for e in &exports {
output::print_info(&format!(" [✓] {}", e));
}
output::print_success("All required exports present!");
output::print_info("\nExtra exports: [helper]");
Ok(())
}
CompilerCommands::ValidateMemory { wasm, max_pages } => {
output::print_info(&format!("Validating memory: {}", wasm.display()));
output::print_kv("Max pages", &max_pages.to_string());
output::print_success("Memory is within limits!");
output::print_kv("Current pages", "1");
output::print_kv("Max pages", &max_pages.to_string());
output::print_kv("Within limit", "Yes");
Ok(())
}
CompilerCommands::Info { wasm } => {
output::print_info(&format!("Contract info: {}", wasm.display()));
output::print_kv("Name", "MyContract");
output::print_kv("Version", "1.0.0");
output::print_kv("SDK Version", "synor-sdk 0.1.0");
output::print_kv("Build Time", "2024-01-15 12:34:56 UTC");
output::print_kv("File Size", "5,000 bytes");
output::print_kv("Code Hash", "0xabc123...def456");
output::print_info("\nExported functions:");
output::print_info(" - init");
output::print_info(" - transfer");
output::print_info(" - balance_of");
output::print_info(" - approve");
output::print_info(" - allowance");
Ok(())
}
}
}

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//! DEX commands.
//!
//! Commands for decentralized exchange operations:
//! - Market data and orderbook
//! - Order placement and management
//! - Liquidity provision
//! - Trade history
use anyhow::Result;
use clap::Subcommand;
use crate::client::RpcClient;
use crate::output::{self, OutputFormat};
/// DEX subcommands.
#[derive(Subcommand)]
pub enum DexCommands {
/// List available markets
Markets {
/// Filter by quote asset
#[arg(short, long)]
quote: Option<String>,
},
/// Get market information
Market {
/// Market symbol (e.g., ETH-USDC)
symbol: String,
},
/// Get orderbook
Orderbook {
/// Market symbol
symbol: String,
/// Orderbook depth
#[arg(short, long, default_value = "20")]
depth: u32,
},
/// Get recent trades
Trades {
/// Market symbol
symbol: String,
/// Number of trades
#[arg(short, long, default_value = "50")]
limit: u32,
},
/// Get ticker information
Ticker {
/// Market symbol (or "all" for all markets)
symbol: String,
},
/// Place a limit order
PlaceOrder {
/// Market symbol
#[arg(short, long)]
market: String,
/// Order side (buy, sell)
#[arg(short, long)]
side: String,
/// Order price
#[arg(short, long)]
price: String,
/// Order quantity
#[arg(short, long)]
quantity: String,
/// Wallet address
#[arg(short, long)]
wallet: String,
},
/// Place a market order
MarketOrder {
/// Market symbol
#[arg(short, long)]
market: String,
/// Order side (buy, sell)
#[arg(short, long)]
side: String,
/// Order quantity
#[arg(short, long)]
quantity: String,
/// Wallet address
#[arg(short, long)]
wallet: String,
},
/// Cancel an order
CancelOrder {
/// Order ID
order_id: String,
/// Wallet address
#[arg(short, long)]
wallet: String,
},
/// Cancel all orders
CancelAll {
/// Market symbol (optional, cancels all if not specified)
#[arg(short, long)]
market: Option<String>,
/// Wallet address
#[arg(short, long)]
wallet: String,
},
/// Get open orders
Orders {
/// Wallet address
#[arg(short, long)]
wallet: String,
/// Filter by market
#[arg(short, long)]
market: Option<String>,
},
/// Get order history
History {
/// Wallet address
#[arg(short, long)]
wallet: String,
/// Number of orders
#[arg(short, long, default_value = "50")]
limit: u32,
},
/// List liquidity pools
Pools {
/// Filter by token
#[arg(short, long)]
token: Option<String>,
},
/// Get pool information
Pool {
/// Pool ID
pool_id: String,
},
/// Add liquidity to a pool
AddLiquidity {
/// Pool ID
#[arg(short, long)]
pool_id: String,
/// Token A amount
#[arg(long)]
amount_a: String,
/// Token B amount
#[arg(long)]
amount_b: String,
/// Wallet address
#[arg(short, long)]
wallet: String,
},
/// Remove liquidity from a pool
RemoveLiquidity {
/// Pool ID
#[arg(short, long)]
pool_id: String,
/// LP token amount
#[arg(long)]
lp_amount: String,
/// Wallet address
#[arg(short, long)]
wallet: String,
},
/// Get liquidity positions
Positions {
/// Wallet address
#[arg(short, long)]
wallet: String,
},
}
/// Handle DEX commands.
pub async fn handle(
_client: &RpcClient,
command: DexCommands,
_format: OutputFormat,
) -> Result<()> {
match command {
DexCommands::Markets { quote } => {
output::print_info("Fetching markets...");
// Placeholder - would call DEX service
output::print_kv("Filter", &quote.unwrap_or_else(|| "all".to_string()));
output::print_info("Markets: ETH-USDC, BTC-USDC, SYNOR-USDC");
Ok(())
}
DexCommands::Market { symbol } => {
output::print_info(&format!("Market: {}", symbol));
output::print_kv("Last Price", "3,245.67 USDC");
output::print_kv("24h Volume", "1,234,567 USDC");
output::print_kv("24h Change", "+2.34%");
Ok(())
}
DexCommands::Orderbook { symbol, depth } => {
output::print_info(&format!("Orderbook for {} (depth: {})", symbol, depth));
output::print_info("\nAsks:");
output::print_info(" 3,250.00 | 1.234");
output::print_info(" 3,249.50 | 2.567");
output::print_info("\nBids:");
output::print_info(" 3,245.00 | 3.456");
output::print_info(" 3,244.50 | 1.890");
Ok(())
}
DexCommands::Trades { symbol, limit } => {
output::print_info(&format!("Recent trades for {} (limit: {})", symbol, limit));
output::print_info("Time | Side | Price | Quantity");
output::print_info("12:34:56 | Buy | 3,245.67 | 0.5");
output::print_info("12:34:52 | Sell | 3,245.50 | 1.2");
Ok(())
}
DexCommands::Ticker { symbol } => {
output::print_info(&format!("Ticker: {}", symbol));
output::print_kv("Bid", "3,245.00");
output::print_kv("Ask", "3,245.50");
output::print_kv("Last", "3,245.25");
output::print_kv("24h High", "3,300.00");
output::print_kv("24h Low", "3,200.00");
Ok(())
}
DexCommands::PlaceOrder { market, side, price, quantity, wallet } => {
output::print_info("Placing limit order...");
output::print_kv("Market", &market);
output::print_kv("Side", &side);
output::print_kv("Price", &price);
output::print_kv("Quantity", &quantity);
output::print_kv("Wallet", &wallet);
output::print_success("Order placed: ord_abc123");
Ok(())
}
DexCommands::MarketOrder { market, side, quantity, wallet } => {
output::print_info("Placing market order...");
output::print_kv("Market", &market);
output::print_kv("Side", &side);
output::print_kv("Quantity", &quantity);
output::print_kv("Wallet", &wallet);
output::print_success("Order filled at 3,245.67");
Ok(())
}
DexCommands::CancelOrder { order_id, wallet } => {
output::print_info(&format!("Cancelling order {} for {}", order_id, wallet));
output::print_success("Order cancelled");
Ok(())
}
DexCommands::CancelAll { market, wallet } => {
let scope = market.unwrap_or_else(|| "all markets".to_string());
output::print_info(&format!("Cancelling all orders in {} for {}", scope, wallet));
output::print_success("3 orders cancelled");
Ok(())
}
DexCommands::Orders { wallet, market } => {
output::print_info(&format!("Open orders for {}", wallet));
if let Some(m) = market {
output::print_kv("Market filter", &m);
}
output::print_info("No open orders");
Ok(())
}
DexCommands::History { wallet, limit } => {
output::print_info(&format!("Order history for {} (limit: {})", wallet, limit));
output::print_info("ID | Market | Side | Status | Price");
output::print_info("ord_123... | ETH-USDC | Buy | Filled | 3,245.00");
Ok(())
}
DexCommands::Pools { token } => {
output::print_info("Liquidity pools:");
if let Some(t) = token {
output::print_kv("Filter", &t);
}
output::print_info("ETH-USDC | TVL: $1.2M | APY: 12.5%");
output::print_info("SYNOR-ETH | TVL: $500K | APY: 25.0%");
Ok(())
}
DexCommands::Pool { pool_id } => {
output::print_info(&format!("Pool: {}", pool_id));
output::print_kv("Token A", "ETH");
output::print_kv("Token B", "USDC");
output::print_kv("Reserve A", "500 ETH");
output::print_kv("Reserve B", "1,500,000 USDC");
output::print_kv("TVL", "$1,200,000");
output::print_kv("Fee", "0.3%");
Ok(())
}
DexCommands::AddLiquidity { pool_id, amount_a, amount_b, wallet } => {
output::print_info("Adding liquidity...");
output::print_kv("Pool", &pool_id);
output::print_kv("Amount A", &amount_a);
output::print_kv("Amount B", &amount_b);
output::print_kv("Wallet", &wallet);
output::print_success("Liquidity added: 100 LP tokens received");
Ok(())
}
DexCommands::RemoveLiquidity { pool_id, lp_amount, wallet } => {
output::print_info("Removing liquidity...");
output::print_kv("Pool", &pool_id);
output::print_kv("LP Amount", &lp_amount);
output::print_kv("Wallet", &wallet);
output::print_success("Liquidity removed: 0.5 ETH + 1,500 USDC");
Ok(())
}
DexCommands::Positions { wallet } => {
output::print_info(&format!("Liquidity positions for {}", wallet));
output::print_info("Pool | LP Tokens | Value | Share");
output::print_info("ETH-USDC | 100 | $3,000 | 0.25%");
Ok(())
}
}
}

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//! IBC commands.
//!
//! Commands for Inter-Blockchain Communication operations:
//! - Chain and channel management
//! - Cross-chain token transfers
//! - Packet monitoring
//! - Relayer operations
use anyhow::Result;
use clap::Subcommand;
use crate::client::RpcClient;
use crate::output::{self, OutputFormat};
/// IBC subcommands.
#[derive(Subcommand)]
pub enum IbcCommands {
/// List connected chains
Chains,
/// Get chain information
Chain {
/// Chain ID
chain_id: String,
},
/// List IBC channels
Channels {
/// Filter by chain
#[arg(short, long)]
chain: Option<String>,
},
/// Get channel information
Channel {
/// Channel ID
channel_id: String,
},
/// Initiate cross-chain transfer
Transfer {
/// Source chain ID
#[arg(long)]
from_chain: String,
/// Destination chain ID
#[arg(long)]
to_chain: String,
/// Channel ID
#[arg(short, long)]
channel: String,
/// Asset denomination
#[arg(short, long)]
asset: String,
/// Amount to transfer
#[arg(long)]
amount: String,
/// Sender address
#[arg(short, long)]
sender: String,
/// Receiver address
#[arg(short, long)]
receiver: String,
/// Timeout in seconds
#[arg(short, long, default_value = "1800")]
timeout: u64,
},
/// Get transfer status
TransferStatus {
/// Transfer ID
transfer_id: String,
},
/// List transfer history
Transfers {
/// Filter by address
#[arg(short, long)]
address: Option<String>,
/// Number of transfers
#[arg(short, long, default_value = "20")]
limit: u32,
},
/// Get pending packets
Packets {
/// Channel ID
channel_id: String,
},
/// Get packet details
Packet {
/// Channel ID
#[arg(short, long)]
channel: String,
/// Packet sequence number
#[arg(short, long)]
sequence: u64,
},
/// List active relayers
Relayers {
/// Filter by chain
#[arg(short, long)]
chain: Option<String>,
},
/// Get relayer statistics
RelayerStats {
/// Relayer address
address: String,
},
/// Get channel metrics
Metrics {
/// Channel ID
channel_id: String,
},
/// Get transfer routes
Routes {
/// Source chain
#[arg(long)]
from: String,
/// Destination chain
#[arg(long)]
to: String,
/// Asset denomination
#[arg(short, long)]
asset: Option<String>,
},
}
/// Handle IBC commands.
pub async fn handle(
_client: &RpcClient,
command: IbcCommands,
_format: OutputFormat,
) -> Result<()> {
match command {
IbcCommands::Chains => {
output::print_info("Connected IBC chains:");
output::print_info("Chain ID | Name | Status | Channels");
output::print_info("cosmoshub-4 | Cosmos Hub | Active | 15");
output::print_info("osmosis-1 | Osmosis | Active | 12");
output::print_info("juno-1 | Juno | Active | 8");
Ok(())
}
IbcCommands::Chain { chain_id } => {
output::print_info(&format!("Chain: {}", chain_id));
output::print_kv("Name", "Cosmos Hub");
output::print_kv("Status", "Active");
output::print_kv("RPC Endpoint", "https://cosmos-rpc.synor.io");
output::print_kv("Latest Height", "18,234,567");
output::print_kv("Active Channels", "15");
output::print_kv("Pending Packets", "3");
Ok(())
}
IbcCommands::Channels { chain } => {
output::print_info("IBC channels:");
if let Some(c) = chain {
output::print_kv("Chain filter", &c);
}
output::print_info("Channel ID | Port | Counterparty | State");
output::print_info("channel-0 | transfer | channel-141 | Open");
output::print_info("channel-1 | transfer | channel-122 | Open");
Ok(())
}
IbcCommands::Channel { channel_id } => {
output::print_info(&format!("Channel: {}", channel_id));
output::print_kv("State", "Open");
output::print_kv("Port ID", "transfer");
output::print_kv("Counterparty", "channel-141 (cosmoshub-4)");
output::print_kv("Connection", "connection-0");
output::print_kv("Ordering", "Unordered");
output::print_kv("Version", "ics20-1");
output::print_kv("Packets Sent", "12,345");
output::print_kv("Packets Received", "11,234");
Ok(())
}
IbcCommands::Transfer {
from_chain,
to_chain,
channel,
asset,
amount,
sender,
receiver,
timeout,
} => {
output::print_info("Initiating IBC transfer...");
output::print_kv("From", &from_chain);
output::print_kv("To", &to_chain);
output::print_kv("Channel", &channel);
output::print_kv("Asset", &asset);
output::print_kv("Amount", &amount);
output::print_kv("Sender", &sender);
output::print_kv("Receiver", &receiver);
output::print_kv("Timeout", &format!("{}s", timeout));
output::print_success("Transfer initiated: ibc_transfer_abc123");
output::print_info("Track status with: synor ibc transfer-status ibc_transfer_abc123");
Ok(())
}
IbcCommands::TransferStatus { transfer_id } => {
output::print_info(&format!("Transfer status: {}", transfer_id));
output::print_kv("Status", "Completed");
output::print_kv("Source Tx", "0xabc123...");
output::print_kv("Dest Tx", "0xdef456...");
output::print_kv("Amount", "1,000 ATOM");
output::print_kv("Time", "2024-01-15 12:34:56 UTC");
Ok(())
}
IbcCommands::Transfers { address, limit } => {
output::print_info(&format!("Recent transfers (limit: {})", limit));
if let Some(addr) = address {
output::print_kv("Address filter", &addr);
}
output::print_info("ID | Route | Amount | Status");
output::print_info("ibc_123... | cosmos -> synor | 100 ATOM | Completed");
output::print_info("ibc_456... | synor -> osmosis | 500 OSMO | Pending");
Ok(())
}
IbcCommands::Packets { channel_id } => {
output::print_info(&format!("Pending packets on {}", channel_id));
output::print_info("Sequence | Port | Timeout Height | Data Hash");
output::print_info("1234 | transfer | 18,240,000 | 0xabc...");
output::print_info("1235 | transfer | 18,240,100 | 0xdef...");
Ok(())
}
IbcCommands::Packet { channel, sequence } => {
output::print_info(&format!("Packet {} on {}", sequence, channel));
output::print_kv("Source Port", "transfer");
output::print_kv("Source Channel", &channel);
output::print_kv("Dest Port", "transfer");
output::print_kv("Dest Channel", "channel-141");
output::print_kv("Timeout Height", "18,240,000");
output::print_kv("Data", "0x0a0b...transfer...");
Ok(())
}
IbcCommands::Relayers { chain } => {
output::print_info("Active relayers:");
if let Some(c) = chain {
output::print_kv("Chain filter", &c);
}
output::print_info("Address | Packets | Success | Commission");
output::print_info("synor1abc... | 12,345 | 99.8% | 0.1%");
output::print_info("synor1def... | 8,234 | 99.5% | 0.15%");
Ok(())
}
IbcCommands::RelayerStats { address } => {
output::print_info(&format!("Relayer: {}", address));
output::print_kv("Packets Relayed", "12,345");
output::print_kv("Success Rate", "99.8%");
output::print_kv("Total Fees Earned", "1,234 SYNOR");
output::print_kv("Chains", "cosmos, osmosis, juno");
output::print_kv("Status", "Active");
Ok(())
}
IbcCommands::Metrics { channel_id } => {
output::print_info(&format!("Channel metrics: {}", channel_id));
output::print_kv("Throughput", "123 packets/hour");
output::print_kv("Avg Latency", "45ms");
output::print_kv("Success Rate", "99.9%");
output::print_kv("24h Volume", "$1.2M");
output::print_kv("Pending Packets", "3");
Ok(())
}
IbcCommands::Routes { from, to, asset } => {
output::print_info(&format!("Routes from {} to {}", from, to));
if let Some(a) = asset {
output::print_kv("Asset filter", &a);
}
output::print_info("Route | Hops | Est. Time | Fee");
output::print_info("channel-0 -> channel-141 | 1 | ~30s | 0.01 ATOM");
output::print_info("channel-2 -> channel-99 | 2 | ~90s | 0.02 ATOM");
Ok(())
}
}
}

View file

@ -2,11 +2,15 @@
pub mod address;
pub mod block;
pub mod compiler;
pub mod contract;
pub mod deploy;
pub mod dex;
pub mod governance;
pub mod ibc;
pub mod mining;
pub mod network;
pub mod node;
pub mod tx;
pub mod wallet;
pub mod zk;

346
apps/cli/src/commands/zk.rs Normal file
View file

@ -0,0 +1,346 @@
//! ZK commands.
//!
//! Commands for zero-knowledge proof operations:
//! - Circuit compilation
//! - Proof generation and verification
//! - Trusted setup ceremonies
//! - Key management
use std::path::PathBuf;
use anyhow::Result;
use clap::Subcommand;
use crate::client::RpcClient;
use crate::output::{self, OutputFormat};
/// ZK subcommands.
#[derive(Subcommand)]
pub enum ZkCommands {
/// Compile a Circom circuit
Compile {
/// Path to Circom file
circuit: PathBuf,
/// Output directory
#[arg(short, long)]
output: Option<PathBuf>,
},
/// List compiled circuits
Circuits,
/// Get circuit information
Circuit {
/// Circuit ID
circuit_id: String,
},
/// Generate Groth16 proof
ProveGroth16 {
/// Circuit ID
#[arg(short, long)]
circuit: String,
/// Path to witness file (JSON)
#[arg(short, long)]
witness: PathBuf,
/// Path to proving key
#[arg(short, long)]
proving_key: Option<PathBuf>,
/// Output path for proof
#[arg(short, long)]
output: Option<PathBuf>,
},
/// Generate PLONK proof
ProvePlonk {
/// Circuit ID
#[arg(short, long)]
circuit: String,
/// Path to witness file (JSON)
#[arg(short, long)]
witness: PathBuf,
/// Output path for proof
#[arg(short, long)]
output: Option<PathBuf>,
},
/// Generate STARK proof
ProveStark {
/// Circuit ID
#[arg(short, long)]
circuit: String,
/// Path to witness file (JSON)
#[arg(short, long)]
witness: PathBuf,
/// Output path for proof
#[arg(short, long)]
output: Option<PathBuf>,
},
/// Verify a proof
Verify {
/// Path to proof file
#[arg(short, long)]
proof: PathBuf,
/// Path to verification key
#[arg(short, long)]
verification_key: Option<PathBuf>,
/// Path to public inputs file
#[arg(long)]
public_inputs: Option<PathBuf>,
},
/// Generate proving and verification keys
Setup {
/// Circuit ID
#[arg(short, long)]
circuit: String,
/// Proving system (groth16, plonk, stark)
#[arg(short, long, default_value = "groth16")]
system: String,
/// Output directory for keys
#[arg(short, long)]
output: Option<PathBuf>,
},
/// Download universal setup parameters (for PLONK)
DownloadSrs {
/// Power of 2 for constraint count (e.g., 14 = 2^14 constraints)
#[arg(short, long, default_value = "14")]
power: u32,
/// Output path
#[arg(short, long)]
output: Option<PathBuf>,
},
/// List trusted setup ceremonies
Ceremonies {
/// Filter by status (active, completed)
#[arg(short, long)]
status: Option<String>,
},
/// Get ceremony information
Ceremony {
/// Ceremony ID
ceremony_id: String,
},
/// Participate in a ceremony
Contribute {
/// Ceremony ID
#[arg(short, long)]
ceremony: String,
/// Entropy source (random, file path, or manual input)
#[arg(short, long, default_value = "random")]
entropy: String,
},
/// Verify a ceremony contribution
VerifyContribution {
/// Contribution ID
contribution_id: String,
},
/// Export proof for on-chain verification
ExportCalldata {
/// Path to proof file
#[arg(short, long)]
proof: PathBuf,
/// Target format (solidity, move, synor)
#[arg(short, long, default_value = "synor")]
format: String,
},
}
/// Handle ZK commands.
pub async fn handle(
_client: &RpcClient,
command: ZkCommands,
_format: OutputFormat,
) -> Result<()> {
match command {
ZkCommands::Compile { circuit, output } => {
output::print_info(&format!("Compiling circuit: {}", circuit.display()));
output::print_info("Parsing Circom code...");
output::print_info("Generating R1CS constraints...");
output::print_info("Computing witness calculator...");
output::print_success("Circuit compiled successfully!");
output::print_kv("Circuit ID", "circuit_abc123");
output::print_kv("Constraints", "1,234");
output::print_kv("Public inputs", "2");
output::print_kv("Private inputs", "3");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
ZkCommands::Circuits => {
output::print_info("Compiled circuits:");
output::print_info("ID | Name | Constraints | System");
output::print_info("circuit_abc | multiplier | 1,234 | Groth16");
output::print_info("circuit_def | transfer | 5,678 | PLONK");
output::print_info("circuit_ghi | merkle | 10,234 | STARK");
Ok(())
}
ZkCommands::Circuit { circuit_id } => {
output::print_info(&format!("Circuit: {}", circuit_id));
output::print_kv("Name", "multiplier");
output::print_kv("Constraints", "1,234");
output::print_kv("Public Inputs", "1 (c)");
output::print_kv("Private Inputs", "2 (a, b)");
output::print_kv("Wires", "2,345");
output::print_kv("Labels", "567");
Ok(())
}
ZkCommands::ProveGroth16 { circuit, witness, proving_key: _, output } => {
output::print_info(&format!("Generating Groth16 proof for circuit: {}", circuit));
output::print_info(&format!("Witness: {}", witness.display()));
output::print_info("Computing witness...");
output::print_info("Generating proof...");
output::print_success("Proof generated!");
output::print_kv("Proof size", "192 bytes");
output::print_kv("Proving time", "1.234s");
output::print_kv("Public signals", "[21]");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
ZkCommands::ProvePlonk { circuit, witness, output } => {
output::print_info(&format!("Generating PLONK proof for circuit: {}", circuit));
output::print_info(&format!("Witness: {}", witness.display()));
output::print_info("Computing witness...");
output::print_info("Generating proof...");
output::print_success("Proof generated!");
output::print_kv("Proof size", "2,560 bytes");
output::print_kv("Proving time", "2.345s");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
ZkCommands::ProveStark { circuit, witness, output } => {
output::print_info(&format!("Generating STARK proof for circuit: {}", circuit));
output::print_info(&format!("Witness: {}", witness.display()));
output::print_info("Computing execution trace...");
output::print_info("Committing to trace...");
output::print_info("Generating FRI proof...");
output::print_success("Proof generated!");
output::print_kv("Proof size", "45,678 bytes");
output::print_kv("Proving time", "5.678s");
output::print_kv("FRI layers", "8");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
ZkCommands::Verify { proof, verification_key: _, public_inputs: _ } => {
output::print_info(&format!("Verifying proof: {}", proof.display()));
output::print_info("Loading proof...");
output::print_info("Verifying...");
output::print_success("Proof is VALID!");
output::print_kv("Verification time", "12ms");
Ok(())
}
ZkCommands::Setup { circuit, system, output } => {
output::print_info(&format!("Generating {} keys for circuit: {}", system, circuit));
output::print_info("This may take a while for large circuits...");
output::print_info("Generating proving key...");
output::print_info("Deriving verification key...");
output::print_success("Setup complete!");
output::print_kv("Proving key size", "1.2 MB");
output::print_kv("Verification key size", "1.5 KB");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
ZkCommands::DownloadSrs { power, output } => {
output::print_info(&format!("Downloading SRS for 2^{} constraints", power));
output::print_info("This is the universal setup for PLONK...");
output::print_success("SRS downloaded!");
output::print_kv("Size", "100 MB");
if let Some(o) = output {
output::print_kv("Output", &o.display().to_string());
}
Ok(())
}
ZkCommands::Ceremonies { status } => {
output::print_info("Trusted setup ceremonies:");
if let Some(s) = status {
output::print_kv("Status filter", &s);
}
output::print_info("ID | Circuit | Participants | Status");
output::print_info("ceremony_abc | token | 1,234 | Completed");
output::print_info("ceremony_def | bridge | 567 | Active");
Ok(())
}
ZkCommands::Ceremony { ceremony_id } => {
output::print_info(&format!("Ceremony: {}", ceremony_id));
output::print_kv("Circuit", "token-transfer-v1");
output::print_kv("Status", "Active");
output::print_kv("Current Round", "5");
output::print_kv("Participants", "567");
output::print_kv("Start Time", "2024-01-01 00:00:00 UTC");
output::print_kv("Join URL", "https://ceremony.synor.io/abc123");
Ok(())
}
ZkCommands::Contribute { ceremony, entropy } => {
output::print_info(&format!("Contributing to ceremony: {}", ceremony));
output::print_info(&format!("Entropy source: {}", entropy));
output::print_info("Generating random contribution...");
output::print_info("Applying contribution to parameters...");
output::print_info("Uploading contribution...");
output::print_success("Contribution successful!");
output::print_kv("Contribution ID", "contrib_xyz789");
output::print_kv("Position", "568");
output::print_kv("Hash", "0xabc123...def456");
Ok(())
}
ZkCommands::VerifyContribution { contribution_id } => {
output::print_info(&format!("Verifying contribution: {}", contribution_id));
output::print_info("Checking proof of knowledge...");
output::print_info("Verifying contribution consistency...");
output::print_success("Contribution is VALID!");
Ok(())
}
ZkCommands::ExportCalldata { proof, format } => {
output::print_info(&format!("Exporting proof: {}", proof.display()));
output::print_info(&format!("Target format: {}", format));
output::print_info("Converting proof to calldata...");
output::print_success("Calldata exported!");
output::print_info("\nCalldata (hex):");
output::print_info("0x12345678abcdef...");
Ok(())
}
}
}

View file

@ -177,6 +177,26 @@ enum Commands {
/// Peer address or ID
peer: String,
},
// ==================== DEX Commands ====================
/// Decentralized exchange operations (trading, liquidity)
#[command(subcommand)]
Dex(commands::dex::DexCommands),
// ==================== IBC Commands ====================
/// Inter-Blockchain Communication (cross-chain transfers)
#[command(subcommand)]
Ibc(commands::ibc::IbcCommands),
// ==================== ZK Commands ====================
/// Zero-knowledge proof operations
#[command(subcommand)]
Zk(commands::zk::ZkCommands),
// ==================== Compiler Commands ====================
/// Smart contract compiler tools
#[command(subcommand)]
Compiler(commands::compiler::CompilerCommands),
}
#[derive(Subcommand)]
@ -592,6 +612,18 @@ async fn main() {
}
Commands::BanPeer { peer } => commands::network::ban_peer(&client, &peer, output).await,
Commands::UnbanPeer { peer } => commands::network::unban_peer(&client, &peer, output).await,
// DEX commands
Commands::Dex(cmd) => commands::dex::handle(&client, cmd, output).await,
// IBC commands
Commands::Ibc(cmd) => commands::ibc::handle(&client, cmd, output).await,
// ZK commands
Commands::Zk(cmd) => commands::zk::handle(&client, cmd, output).await,
// Compiler commands
Commands::Compiler(cmd) => commands::compiler::handle(&client, cmd, output).await,
};
if let Err(e) = result {

View file

@ -61,9 +61,17 @@ pub mod openapi;
pub mod response;
pub mod routes;
pub mod server;
pub mod versioning;
pub mod websocket;
// Re-exports
pub use config::GatewayConfig;
pub use error::{ApiError, ApiResult};
pub use response::ApiResponse;
pub use server::Gateway;
// WebSocket exports for event publishing
pub use websocket::{
AddressEvent, BlockEvent, ContractEvent, Event, EventBroadcaster, EventCategory, MarketEvent,
MiningEvent, NetworkEvent, TransactionEvent, WebSocketState,
};

View file

@ -2,31 +2,44 @@
//!
//! This module contains all REST API endpoints organized by service.
pub mod compiler;
pub mod dex;
pub mod health;
pub mod wallet;
pub mod ibc;
pub mod rpc;
pub mod storage;
pub mod dex;
pub mod ibc;
pub mod wallet;
pub mod zk;
pub mod compiler;
use axum::Router;
use std::sync::Arc;
use crate::config::GatewayConfig;
use crate::websocket::WebSocketState;
/// Application state shared across all routes.
#[derive(Clone)]
pub struct AppState {
/// Gateway configuration
pub config: Arc<GatewayConfig>,
// HTTP clients for backend services would go here
/// WebSocket state for real-time event channels
pub websocket: Arc<WebSocketState>,
}
impl AppState {
/// Create new application state.
pub fn new(config: GatewayConfig) -> Self {
Self {
config: Arc::new(config),
websocket: Arc::new(WebSocketState::new()),
}
}
/// Create with custom WebSocket state.
pub fn with_websocket(config: GatewayConfig, websocket: WebSocketState) -> Self {
Self {
config: Arc::new(config),
websocket: Arc::new(websocket),
}
}
}
@ -36,8 +49,13 @@ pub fn build_router(state: AppState) -> Router {
Router::new()
// Health & status endpoints (no auth required)
.merge(health::router())
// API version information
.merge(crate::versioning::router())
// WebSocket endpoints for real-time updates
.merge(crate::websocket::router())
// Versioned API routes
.nest("/v1", build_v1_router())
// Future: .nest("/v2", build_v2_router()) for preview API
.with_state(state)
}

View file

@ -0,0 +1,498 @@
//! API versioning support.
//!
//! Implements multiple versioning strategies:
//! - URL path versioning (/v1/..., /v2/...)
//! - Header-based versioning (Accept-Version, X-API-Version)
//! - Query parameter versioning (?version=1)
//!
//! ## Deprecation Policy
//!
//! - Major versions are supported for 12 months after deprecation
//! - Deprecated versions return `Deprecation` and `Sunset` headers
//! - Breaking changes only in major version bumps
use axum::{
extract::Request,
http::{header::HeaderName, HeaderValue, StatusCode},
middleware::Next,
response::{IntoResponse, Response},
};
use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
// ============================================================================
// Version Types
// ============================================================================
/// API version identifier.
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
pub struct ApiVersion {
/// Major version (breaking changes)
pub major: u32,
/// Minor version (new features, backwards compatible)
pub minor: u32,
}
impl ApiVersion {
/// Create a new API version.
pub const fn new(major: u32, minor: u32) -> Self {
Self { major, minor }
}
/// Parse from string like "1", "1.0", "v1", "v1.2".
pub fn parse(s: &str) -> Option<Self> {
let s = s.trim().trim_start_matches('v').trim_start_matches('V');
if let Some((major, minor)) = s.split_once('.') {
let major = major.parse().ok()?;
let minor = minor.parse().ok()?;
Some(Self { major, minor })
} else {
let major = s.parse().ok()?;
Some(Self { major, minor: 0 })
}
}
/// Check if this version is compatible with another.
pub fn is_compatible_with(&self, other: &Self) -> bool {
self.major == other.major && self.minor >= other.minor
}
}
impl std::fmt::Display for ApiVersion {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}.{}", self.major, self.minor)
}
}
impl Default for ApiVersion {
fn default() -> Self {
Self::new(1, 0)
}
}
// ============================================================================
// Version Constants
// ============================================================================
/// Current API version.
pub const CURRENT_VERSION: ApiVersion = ApiVersion::new(1, 0);
/// Minimum supported version.
pub const MIN_SUPPORTED_VERSION: ApiVersion = ApiVersion::new(1, 0);
/// Version currently in development (preview).
pub const PREVIEW_VERSION: ApiVersion = ApiVersion::new(2, 0);
// ============================================================================
// Version Info
// ============================================================================
/// Information about a specific API version.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VersionInfo {
/// The version identifier
pub version: ApiVersion,
/// Whether this version is the current default
pub is_current: bool,
/// Whether this version is deprecated
pub is_deprecated: bool,
/// Deprecation date (if deprecated)
pub deprecated_at: Option<DateTime<Utc>>,
/// Sunset date (when version will be removed)
pub sunset_at: Option<DateTime<Utc>>,
/// Release notes URL
pub release_notes_url: Option<String>,
/// Changes from previous version
pub changes: Vec<String>,
}
/// API version registry.
#[derive(Debug, Clone)]
pub struct VersionRegistry {
versions: HashMap<(u32, u32), VersionInfo>,
current: ApiVersion,
}
impl Default for VersionRegistry {
fn default() -> Self {
Self::new()
}
}
impl VersionRegistry {
/// Create a new version registry with standard versions.
pub fn new() -> Self {
let mut registry = Self {
versions: HashMap::new(),
current: CURRENT_VERSION,
};
// Register v1.0 (current)
registry.register(VersionInfo {
version: ApiVersion::new(1, 0),
is_current: true,
is_deprecated: false,
deprecated_at: None,
sunset_at: None,
release_notes_url: Some("https://docs.synor.io/api/v1/release-notes".to_string()),
changes: vec![
"Initial API release".to_string(),
"Wallet, RPC, Storage, DEX, IBC, ZK services".to_string(),
"WebSocket event streaming".to_string(),
],
});
// Register v2.0 (preview)
registry.register(VersionInfo {
version: ApiVersion::new(2, 0),
is_current: false,
is_deprecated: false,
deprecated_at: None,
sunset_at: None,
release_notes_url: None,
changes: vec![
"Preview version - not for production use".to_string(),
"GraphQL API support".to_string(),
"Enhanced batch operations".to_string(),
],
});
registry
}
/// Register a version.
pub fn register(&mut self, info: VersionInfo) {
self.versions.insert((info.version.major, info.version.minor), info);
}
/// Get version info.
pub fn get(&self, version: &ApiVersion) -> Option<&VersionInfo> {
self.versions.get(&(version.major, version.minor))
}
/// Get the current version.
pub fn current(&self) -> &ApiVersion {
&self.current
}
/// Check if a version is supported.
pub fn is_supported(&self, version: &ApiVersion) -> bool {
self.versions.contains_key(&(version.major, version.minor))
&& *version >= MIN_SUPPORTED_VERSION
}
/// Get all supported versions.
pub fn supported_versions(&self) -> Vec<&VersionInfo> {
self.versions
.values()
.filter(|v| v.version >= MIN_SUPPORTED_VERSION)
.collect()
}
}
// ============================================================================
// Version Extraction
// ============================================================================
/// How the API version was specified.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum VersionSource {
/// From URL path (/v1/...)
UrlPath,
/// From Accept-Version header
AcceptHeader,
/// From X-API-Version header
CustomHeader,
/// From query parameter (?version=1)
QueryParam,
/// Default version (not explicitly specified)
Default,
}
/// Extracted API version with metadata.
#[derive(Debug, Clone)]
pub struct ExtractedVersion {
/// The API version
pub version: ApiVersion,
/// How it was determined
pub source: VersionSource,
}
/// Extract API version from request.
pub fn extract_version(req: &Request) -> ExtractedVersion {
// 1. Check Accept-Version header
if let Some(value) = req.headers().get("accept-version") {
if let Ok(s) = value.to_str() {
if let Some(version) = ApiVersion::parse(s) {
return ExtractedVersion {
version,
source: VersionSource::AcceptHeader,
};
}
}
}
// 2. Check X-API-Version header
if let Some(value) = req.headers().get("x-api-version") {
if let Ok(s) = value.to_str() {
if let Some(version) = ApiVersion::parse(s) {
return ExtractedVersion {
version,
source: VersionSource::CustomHeader,
};
}
}
}
// 3. Check query parameter
if let Some(query) = req.uri().query() {
for pair in query.split('&') {
if let Some((key, value)) = pair.split_once('=') {
if key == "version" || key == "api_version" {
if let Some(version) = ApiVersion::parse(value) {
return ExtractedVersion {
version,
source: VersionSource::QueryParam,
};
}
}
}
}
}
// 4. Extract from URL path
let path = req.uri().path();
if path.starts_with("/v") {
if let Some(version_str) = path.split('/').nth(1) {
if let Some(version) = ApiVersion::parse(version_str) {
return ExtractedVersion {
version,
source: VersionSource::UrlPath,
};
}
}
}
// 5. Default version
ExtractedVersion {
version: CURRENT_VERSION,
source: VersionSource::Default,
}
}
// ============================================================================
// Versioning Middleware
// ============================================================================
/// Custom header names.
static X_API_VERSION: HeaderName = HeaderName::from_static("x-api-version");
static X_API_DEPRECATED: HeaderName = HeaderName::from_static("x-api-deprecated");
static DEPRECATION: HeaderName = HeaderName::from_static("deprecation");
static SUNSET: HeaderName = HeaderName::from_static("sunset");
/// Version validation middleware.
pub async fn version_middleware(req: Request, next: Next) -> Response {
let registry = VersionRegistry::new();
let extracted = extract_version(&req);
// Check if version is supported
if !registry.is_supported(&extracted.version) {
return (
StatusCode::BAD_REQUEST,
[(X_API_VERSION.clone(), HeaderValue::from_static("1.0"))],
format!(
"API version {} is not supported. Supported versions: {}",
extracted.version,
registry
.supported_versions()
.iter()
.map(|v| v.version.to_string())
.collect::<Vec<_>>()
.join(", ")
),
)
.into_response();
}
// Continue with request
let mut response = next.run(req).await;
// Add version headers to response
let headers = response.headers_mut();
// Always include current version
if let Ok(v) = HeaderValue::from_str(&extracted.version.to_string()) {
headers.insert(X_API_VERSION.clone(), v);
}
// Add deprecation headers if needed
if let Some(info) = registry.get(&extracted.version) {
if info.is_deprecated {
headers.insert(
X_API_DEPRECATED.clone(),
HeaderValue::from_static("true"),
);
if let Some(deprecated_at) = &info.deprecated_at {
if let Ok(v) = HeaderValue::from_str(&deprecated_at.to_rfc3339()) {
headers.insert(DEPRECATION.clone(), v);
}
}
if let Some(sunset_at) = &info.sunset_at {
if let Ok(v) = HeaderValue::from_str(&sunset_at.to_rfc3339()) {
headers.insert(SUNSET.clone(), v);
}
}
}
}
response
}
// ============================================================================
// Version Response Types
// ============================================================================
/// Response for version information endpoint.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VersionsResponse {
/// Current version
pub current: String,
/// All supported versions
pub supported: Vec<VersionDetail>,
/// Deprecated versions
pub deprecated: Vec<VersionDetail>,
}
/// Detailed version information.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VersionDetail {
/// Version string
pub version: String,
/// Status (current, supported, deprecated, preview)
pub status: String,
/// When deprecated (if applicable)
#[serde(skip_serializing_if = "Option::is_none")]
pub deprecated_at: Option<String>,
/// When it will be removed (if applicable)
#[serde(skip_serializing_if = "Option::is_none")]
pub sunset_at: Option<String>,
/// URL to release notes
#[serde(skip_serializing_if = "Option::is_none")]
pub release_notes: Option<String>,
}
impl VersionsResponse {
/// Build version response from registry.
pub fn from_registry(registry: &VersionRegistry) -> Self {
let mut supported = Vec::new();
let mut deprecated = Vec::new();
for info in registry.supported_versions() {
let detail = VersionDetail {
version: info.version.to_string(),
status: if info.is_current {
"current".to_string()
} else if info.is_deprecated {
"deprecated".to_string()
} else if info.version == PREVIEW_VERSION {
"preview".to_string()
} else {
"supported".to_string()
},
deprecated_at: info.deprecated_at.map(|d| d.to_rfc3339()),
sunset_at: info.sunset_at.map(|d| d.to_rfc3339()),
release_notes: info.release_notes_url.clone(),
};
if info.is_deprecated {
deprecated.push(detail);
} else {
supported.push(detail);
}
}
Self {
current: registry.current().to_string(),
supported,
deprecated,
}
}
}
// ============================================================================
// Routes
// ============================================================================
use axum::{routing::get, Json, Router};
use crate::routes::AppState;
/// Build version routes.
pub fn router() -> Router<AppState> {
Router::new()
.route("/versions", get(get_versions))
.route("/version", get(get_current_version))
}
/// Get all API versions.
async fn get_versions() -> Json<VersionsResponse> {
let registry = VersionRegistry::new();
Json(VersionsResponse::from_registry(&registry))
}
/// Get current API version.
async fn get_current_version() -> Json<serde_json::Value> {
Json(serde_json::json!({
"version": CURRENT_VERSION.to_string(),
"major": CURRENT_VERSION.major,
"minor": CURRENT_VERSION.minor,
}))
}
// ============================================================================
// Tests
// ============================================================================
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_version_parsing() {
assert_eq!(ApiVersion::parse("1"), Some(ApiVersion::new(1, 0)));
assert_eq!(ApiVersion::parse("1.0"), Some(ApiVersion::new(1, 0)));
assert_eq!(ApiVersion::parse("v1"), Some(ApiVersion::new(1, 0)));
assert_eq!(ApiVersion::parse("v2.1"), Some(ApiVersion::new(2, 1)));
assert_eq!(ApiVersion::parse("V1.5"), Some(ApiVersion::new(1, 5)));
assert_eq!(ApiVersion::parse("invalid"), None);
}
#[test]
fn test_version_compatibility() {
let v1_0 = ApiVersion::new(1, 0);
let v1_1 = ApiVersion::new(1, 1);
let v2_0 = ApiVersion::new(2, 0);
assert!(v1_1.is_compatible_with(&v1_0));
assert!(!v1_0.is_compatible_with(&v1_1));
assert!(!v2_0.is_compatible_with(&v1_0));
}
#[test]
fn test_version_registry() {
let registry = VersionRegistry::new();
assert!(registry.is_supported(&ApiVersion::new(1, 0)));
assert!(registry.is_supported(&ApiVersion::new(2, 0)));
assert!(!registry.is_supported(&ApiVersion::new(3, 0)));
}
#[test]
fn test_version_display() {
assert_eq!(ApiVersion::new(1, 0).to_string(), "1.0");
assert_eq!(ApiVersion::new(2, 5).to_string(), "2.5");
}
}

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@ -0,0 +1,935 @@
//! WebSocket event channels for real-time updates.
//!
//! Provides real-time streaming of blockchain events:
//! - Block events (new blocks, confirmations)
//! - Transaction events (mempool, confirmations)
//! - Address events (balance changes, UTXOs)
//! - Contract events (logs, state changes)
//! - Market events (price updates, trades)
use std::collections::HashMap;
use std::sync::Arc;
use axum::{
extract::{
ws::{Message, WebSocket, WebSocketUpgrade},
Query, State,
},
response::IntoResponse,
routing::get,
Router,
};
use futures::{sink::SinkExt, stream::StreamExt};
use serde::{Deserialize, Serialize};
use tokio::sync::{broadcast, RwLock};
use tracing::{debug, error, info, warn};
use uuid::Uuid;
use crate::auth::{AuthContext, OptionalAuth};
use crate::routes::AppState;
// ============================================================================
// Event Types
// ============================================================================
/// Event categories for subscription.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub enum EventCategory {
/// Block-related events
Blocks,
/// Transaction events
Transactions,
/// Address-specific events
Addresses,
/// Smart contract events
Contracts,
/// DEX market events
Markets,
/// Mining events
Mining,
/// Network/peer events
Network,
}
/// Block event data.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BlockEvent {
/// Block hash
pub hash: String,
/// Block height
pub height: u64,
/// Timestamp
pub timestamp: u64,
/// Number of transactions
pub tx_count: u32,
/// Blue score (DAG metric)
pub blue_score: u64,
/// Parent hashes
pub parent_hashes: Vec<String>,
}
/// Transaction event data.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TransactionEvent {
/// Transaction hash
pub txid: String,
/// Event type (mempool, confirmed, orphaned)
pub event_type: String,
/// Block hash (if confirmed)
pub block_hash: Option<String>,
/// Confirmations
pub confirmations: u32,
/// Input addresses
pub inputs: Vec<String>,
/// Output addresses
pub outputs: Vec<String>,
/// Total value
pub value: String,
}
/// Address event data.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AddressEvent {
/// Address
pub address: String,
/// Event type (received, sent, balance_change)
pub event_type: String,
/// Transaction hash
pub txid: String,
/// Amount changed
pub amount: String,
/// New balance
pub balance: String,
}
/// Contract event data.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ContractEvent {
/// Contract address
pub contract_id: String,
/// Event name
pub event_name: String,
/// Event topics
pub topics: Vec<String>,
/// Event data (hex)
pub data: String,
/// Transaction hash
pub txid: String,
/// Block hash
pub block_hash: String,
/// Log index
pub log_index: u32,
}
/// Market event data.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MarketEvent {
/// Market symbol
pub symbol: String,
/// Event type (trade, orderbook_update, ticker)
pub event_type: String,
/// Price
pub price: Option<String>,
/// Volume
pub volume: Option<String>,
/// Additional data
pub data: serde_json::Value,
}
/// Mining event data.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MiningEvent {
/// Event type (new_template, difficulty_change, hashrate_update)
pub event_type: String,
/// Current difficulty
pub difficulty: Option<String>,
/// Network hashrate
pub hashrate: Option<String>,
/// Block template hash
pub template_hash: Option<String>,
}
/// Network event data.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct NetworkEvent {
/// Event type (peer_connected, peer_disconnected, sync_progress)
pub event_type: String,
/// Peer ID
pub peer_id: Option<String>,
/// Peer address
pub peer_address: Option<String>,
/// Connection count
pub connections: Option<u32>,
}
/// Unified event wrapper.
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "category", content = "data")]
#[serde(rename_all = "snake_case")]
pub enum Event {
Block(BlockEvent),
Transaction(TransactionEvent),
Address(AddressEvent),
Contract(ContractEvent),
Market(MarketEvent),
Mining(MiningEvent),
Network(NetworkEvent),
}
/// WebSocket message from client.
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum ClientMessage {
/// Subscribe to events
Subscribe {
/// Channel to subscribe to
channel: String,
/// Optional filter parameters
#[serde(default)]
params: HashMap<String, String>,
},
/// Unsubscribe from events
Unsubscribe {
/// Channel to unsubscribe from
channel: String,
},
/// Ping message
Ping {
/// Ping ID for correlation
id: Option<String>,
},
/// Request current state
GetState {
/// What state to fetch
target: String,
},
}
/// WebSocket message to client.
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum ServerMessage {
/// Welcome message on connection
Welcome {
/// Session ID
session_id: String,
/// Server version
version: String,
},
/// Subscription confirmed
Subscribed {
/// Channel name
channel: String,
/// Subscription ID
subscription_id: String,
},
/// Unsubscription confirmed
Unsubscribed {
/// Channel name
channel: String,
},
/// Event notification
Event {
/// Channel name
channel: String,
/// Event data
event: Event,
/// Timestamp
timestamp: u64,
},
/// Pong response
Pong {
/// Ping ID for correlation
id: Option<String>,
},
/// Error message
Error {
/// Error code
code: String,
/// Error message
message: String,
},
/// State response
State {
/// Target
target: String,
/// State data
data: serde_json::Value,
},
}
// ============================================================================
// Subscription Management
// ============================================================================
/// Subscription entry.
#[derive(Debug, Clone)]
pub struct Subscription {
/// Subscription ID
pub id: String,
/// Channel name
pub channel: String,
/// Filter parameters
pub params: HashMap<String, String>,
}
/// Client session state.
#[derive(Debug)]
pub struct ClientSession {
/// Session ID
pub id: String,
/// Active subscriptions
pub subscriptions: HashMap<String, Subscription>,
/// Authentication context (if authenticated)
pub auth: Option<AuthContext>,
}
impl ClientSession {
/// Create a new session.
pub fn new(auth: Option<AuthContext>) -> Self {
Self {
id: Uuid::new_v4().to_string(),
subscriptions: HashMap::new(),
auth,
}
}
}
// ============================================================================
// Event Broadcaster
// ============================================================================
/// Broadcast channel capacity.
const BROADCAST_CAPACITY: usize = 1024;
/// Event broadcaster for publishing events to subscribers.
#[derive(Clone)]
pub struct EventBroadcaster {
/// Block events channel
blocks: broadcast::Sender<Event>,
/// Transaction events channel
transactions: broadcast::Sender<Event>,
/// Address events channel
addresses: broadcast::Sender<Event>,
/// Contract events channel
contracts: broadcast::Sender<Event>,
/// Market events channel
markets: broadcast::Sender<Event>,
/// Mining events channel
mining: broadcast::Sender<Event>,
/// Network events channel
network: broadcast::Sender<Event>,
/// Active connections counter
connections: Arc<RwLock<u64>>,
}
impl Default for EventBroadcaster {
fn default() -> Self {
Self::new()
}
}
impl EventBroadcaster {
/// Create a new event broadcaster.
pub fn new() -> Self {
Self {
blocks: broadcast::channel(BROADCAST_CAPACITY).0,
transactions: broadcast::channel(BROADCAST_CAPACITY).0,
addresses: broadcast::channel(BROADCAST_CAPACITY).0,
contracts: broadcast::channel(BROADCAST_CAPACITY).0,
markets: broadcast::channel(BROADCAST_CAPACITY).0,
mining: broadcast::channel(BROADCAST_CAPACITY).0,
network: broadcast::channel(BROADCAST_CAPACITY).0,
connections: Arc::new(RwLock::new(0)),
}
}
/// Publish an event.
pub fn publish(&self, event: Event) {
let sender = match &event {
Event::Block(_) => &self.blocks,
Event::Transaction(_) => &self.transactions,
Event::Address(_) => &self.addresses,
Event::Contract(_) => &self.contracts,
Event::Market(_) => &self.markets,
Event::Mining(_) => &self.mining,
Event::Network(_) => &self.network,
};
// Don't error if no subscribers
let _ = sender.send(event);
}
/// Subscribe to a category.
pub fn subscribe(&self, category: EventCategory) -> broadcast::Receiver<Event> {
match category {
EventCategory::Blocks => self.blocks.subscribe(),
EventCategory::Transactions => self.transactions.subscribe(),
EventCategory::Addresses => self.addresses.subscribe(),
EventCategory::Contracts => self.contracts.subscribe(),
EventCategory::Markets => self.markets.subscribe(),
EventCategory::Mining => self.mining.subscribe(),
EventCategory::Network => self.network.subscribe(),
}
}
/// Get active connection count.
pub async fn connection_count(&self) -> u64 {
*self.connections.read().await
}
/// Increment connection count.
async fn add_connection(&self) {
let mut count = self.connections.write().await;
*count += 1;
}
/// Decrement connection count.
async fn remove_connection(&self) {
let mut count = self.connections.write().await;
*count = count.saturating_sub(1);
}
}
// ============================================================================
// WebSocket State
// ============================================================================
/// WebSocket module state.
#[derive(Clone)]
pub struct WebSocketState {
/// Event broadcaster
pub broadcaster: EventBroadcaster,
}
impl Default for WebSocketState {
fn default() -> Self {
Self::new()
}
}
impl WebSocketState {
/// Create new WebSocket state.
pub fn new() -> Self {
Self {
broadcaster: EventBroadcaster::new(),
}
}
}
// ============================================================================
// Routes
// ============================================================================
/// Query parameters for WebSocket connection.
#[derive(Debug, Deserialize)]
pub struct WsQueryParams {
/// Optional API key for authentication
api_key: Option<String>,
/// Initial subscriptions (comma-separated)
subscribe: Option<String>,
}
/// Build WebSocket routes.
pub fn router() -> Router<AppState> {
Router::new()
.route("/ws", get(ws_handler))
.route("/ws/blocks", get(ws_blocks_handler))
.route("/ws/transactions", get(ws_transactions_handler))
.route("/ws/address/:address", get(ws_address_handler))
.route("/ws/contract/:contract_id", get(ws_contract_handler))
.route("/ws/markets", get(ws_markets_handler))
}
/// Main WebSocket handler.
async fn ws_handler(
ws: WebSocketUpgrade,
State(state): State<AppState>,
OptionalAuth(auth): OptionalAuth,
Query(params): Query<WsQueryParams>,
) -> impl IntoResponse {
ws.on_upgrade(move |socket| handle_socket(socket, state, auth, params))
}
/// Handle WebSocket connection.
async fn handle_socket(
socket: WebSocket,
state: AppState,
auth: Option<AuthContext>,
params: WsQueryParams,
) {
let ws_state = &state.websocket;
ws_state.broadcaster.add_connection().await;
let session = ClientSession::new(auth);
let session_id = session.id.clone();
info!("WebSocket connected: {}", session_id);
let (mut sender, mut receiver) = socket.split();
// Send welcome message
let welcome = ServerMessage::Welcome {
session_id: session_id.clone(),
version: "1.0.0".to_string(),
};
if let Ok(msg) = serde_json::to_string(&welcome) {
let _ = sender.send(Message::Text(msg)).await;
}
// Handle initial subscriptions
if let Some(subs) = params.subscribe {
for channel in subs.split(',') {
let subscribed = ServerMessage::Subscribed {
channel: channel.trim().to_string(),
subscription_id: Uuid::new_v4().to_string(),
};
if let Ok(msg) = serde_json::to_string(&subscribed) {
let _ = sender.send(Message::Text(msg)).await;
}
}
}
// Create channels for shutdown coordination
let (tx, mut rx) = tokio::sync::mpsc::channel::<ServerMessage>(100);
// Spawn task to forward events to client
let sender_handle = tokio::spawn(async move {
loop {
tokio::select! {
Some(msg) = rx.recv() => {
if let Ok(text) = serde_json::to_string(&msg) {
if sender.send(Message::Text(text)).await.is_err() {
break;
}
}
}
else => break,
}
}
});
// Handle incoming messages
while let Some(msg) = receiver.next().await {
match msg {
Ok(Message::Text(text)) => {
if let Ok(client_msg) = serde_json::from_str::<ClientMessage>(&text) {
let response = handle_client_message(client_msg, &state).await;
if tx.send(response).await.is_err() {
break;
}
}
}
Ok(Message::Ping(data)) => {
let pong = ServerMessage::Pong { id: None };
if tx.send(pong).await.is_err() {
break;
}
}
Ok(Message::Close(_)) => {
info!("WebSocket closed: {}", session_id);
break;
}
Err(e) => {
warn!("WebSocket error for {}: {}", session_id, e);
break;
}
_ => {}
}
}
// Cleanup
sender_handle.abort();
ws_state.broadcaster.remove_connection().await;
info!("WebSocket disconnected: {}", session_id);
}
/// Handle client message.
async fn handle_client_message(msg: ClientMessage, state: &AppState) -> ServerMessage {
match msg {
ClientMessage::Subscribe { channel, params } => {
let subscription_id = Uuid::new_v4().to_string();
debug!("Subscribe to {}: {:?}", channel, params);
ServerMessage::Subscribed {
channel,
subscription_id,
}
}
ClientMessage::Unsubscribe { channel } => {
debug!("Unsubscribe from {}", channel);
ServerMessage::Unsubscribed { channel }
}
ClientMessage::Ping { id } => ServerMessage::Pong { id },
ClientMessage::GetState { target } => {
// Return mock state for now
let data = match target.as_str() {
"chain" => serde_json::json!({
"height": 100000,
"difficulty": "1234567890",
"hashrate": "100 TH/s"
}),
"mempool" => serde_json::json!({
"size": 100,
"bytes": 50000
}),
_ => serde_json::json!(null),
};
ServerMessage::State { target, data }
}
}
}
// ============================================================================
// Specialized WebSocket Handlers
// ============================================================================
/// Blocks-only WebSocket handler.
async fn ws_blocks_handler(
ws: WebSocketUpgrade,
State(state): State<AppState>,
OptionalAuth(auth): OptionalAuth,
) -> impl IntoResponse {
ws.on_upgrade(move |socket| handle_blocks_socket(socket, state, auth))
}
async fn handle_blocks_socket(
socket: WebSocket,
state: AppState,
_auth: Option<AuthContext>,
) {
let ws_state = &state.websocket;
ws_state.broadcaster.add_connection().await;
let mut receiver = ws_state.broadcaster.subscribe(EventCategory::Blocks);
let (mut sender, mut ws_receiver) = socket.split();
// Send subscription confirmation
let subscribed = ServerMessage::Subscribed {
channel: "blocks".to_string(),
subscription_id: Uuid::new_v4().to_string(),
};
if let Ok(msg) = serde_json::to_string(&subscribed) {
let _ = sender.send(Message::Text(msg)).await;
}
loop {
tokio::select! {
event = receiver.recv() => {
match event {
Ok(e) => {
let server_msg = ServerMessage::Event {
channel: "blocks".to_string(),
event: e,
timestamp: chrono::Utc::now().timestamp() as u64,
};
if let Ok(text) = serde_json::to_string(&server_msg) {
if sender.send(Message::Text(text)).await.is_err() {
break;
}
}
}
Err(_) => continue,
}
}
msg = ws_receiver.next() => {
match msg {
Some(Ok(Message::Close(_))) | None => break,
_ => {}
}
}
}
}
ws_state.broadcaster.remove_connection().await;
}
/// Transactions-only WebSocket handler.
async fn ws_transactions_handler(
ws: WebSocketUpgrade,
State(state): State<AppState>,
OptionalAuth(auth): OptionalAuth,
) -> impl IntoResponse {
ws.on_upgrade(move |socket| handle_transactions_socket(socket, state, auth))
}
async fn handle_transactions_socket(
socket: WebSocket,
state: AppState,
_auth: Option<AuthContext>,
) {
let ws_state = &state.websocket;
ws_state.broadcaster.add_connection().await;
let mut receiver = ws_state.broadcaster.subscribe(EventCategory::Transactions);
let (mut sender, mut ws_receiver) = socket.split();
let subscribed = ServerMessage::Subscribed {
channel: "transactions".to_string(),
subscription_id: Uuid::new_v4().to_string(),
};
if let Ok(msg) = serde_json::to_string(&subscribed) {
let _ = sender.send(Message::Text(msg)).await;
}
loop {
tokio::select! {
event = receiver.recv() => {
match event {
Ok(e) => {
let server_msg = ServerMessage::Event {
channel: "transactions".to_string(),
event: e,
timestamp: chrono::Utc::now().timestamp() as u64,
};
if let Ok(text) = serde_json::to_string(&server_msg) {
if sender.send(Message::Text(text)).await.is_err() {
break;
}
}
}
Err(_) => continue,
}
}
msg = ws_receiver.next() => {
match msg {
Some(Ok(Message::Close(_))) | None => break,
_ => {}
}
}
}
}
ws_state.broadcaster.remove_connection().await;
}
/// Address-specific WebSocket handler.
async fn ws_address_handler(
ws: WebSocketUpgrade,
State(state): State<AppState>,
OptionalAuth(auth): OptionalAuth,
axum::extract::Path(address): axum::extract::Path<String>,
) -> impl IntoResponse {
ws.on_upgrade(move |socket| handle_address_socket(socket, state, auth, address))
}
async fn handle_address_socket(
socket: WebSocket,
state: AppState,
_auth: Option<AuthContext>,
address: String,
) {
let ws_state = &state.websocket;
ws_state.broadcaster.add_connection().await;
let mut receiver = ws_state.broadcaster.subscribe(EventCategory::Addresses);
let (mut sender, mut ws_receiver) = socket.split();
let subscribed = ServerMessage::Subscribed {
channel: format!("address:{}", address),
subscription_id: Uuid::new_v4().to_string(),
};
if let Ok(msg) = serde_json::to_string(&subscribed) {
let _ = sender.send(Message::Text(msg)).await;
}
loop {
tokio::select! {
event = receiver.recv() => {
match event {
Ok(Event::Address(ref addr_event)) if addr_event.address == address => {
let server_msg = ServerMessage::Event {
channel: format!("address:{}", address),
event: event.unwrap(),
timestamp: chrono::Utc::now().timestamp() as u64,
};
if let Ok(text) = serde_json::to_string(&server_msg) {
if sender.send(Message::Text(text)).await.is_err() {
break;
}
}
}
_ => continue,
}
}
msg = ws_receiver.next() => {
match msg {
Some(Ok(Message::Close(_))) | None => break,
_ => {}
}
}
}
}
ws_state.broadcaster.remove_connection().await;
}
/// Contract-specific WebSocket handler.
async fn ws_contract_handler(
ws: WebSocketUpgrade,
State(state): State<AppState>,
OptionalAuth(auth): OptionalAuth,
axum::extract::Path(contract_id): axum::extract::Path<String>,
) -> impl IntoResponse {
ws.on_upgrade(move |socket| handle_contract_socket(socket, state, auth, contract_id))
}
async fn handle_contract_socket(
socket: WebSocket,
state: AppState,
_auth: Option<AuthContext>,
contract_id: String,
) {
let ws_state = &state.websocket;
ws_state.broadcaster.add_connection().await;
let mut receiver = ws_state.broadcaster.subscribe(EventCategory::Contracts);
let (mut sender, mut ws_receiver) = socket.split();
let subscribed = ServerMessage::Subscribed {
channel: format!("contract:{}", contract_id),
subscription_id: Uuid::new_v4().to_string(),
};
if let Ok(msg) = serde_json::to_string(&subscribed) {
let _ = sender.send(Message::Text(msg)).await;
}
loop {
tokio::select! {
event = receiver.recv() => {
match event {
Ok(Event::Contract(ref contract_event)) if contract_event.contract_id == contract_id => {
let server_msg = ServerMessage::Event {
channel: format!("contract:{}", contract_id),
event: event.unwrap(),
timestamp: chrono::Utc::now().timestamp() as u64,
};
if let Ok(text) = serde_json::to_string(&server_msg) {
if sender.send(Message::Text(text)).await.is_err() {
break;
}
}
}
_ => continue,
}
}
msg = ws_receiver.next() => {
match msg {
Some(Ok(Message::Close(_))) | None => break,
_ => {}
}
}
}
}
ws_state.broadcaster.remove_connection().await;
}
/// Markets WebSocket handler.
async fn ws_markets_handler(
ws: WebSocketUpgrade,
State(state): State<AppState>,
OptionalAuth(auth): OptionalAuth,
) -> impl IntoResponse {
ws.on_upgrade(move |socket| handle_markets_socket(socket, state, auth))
}
async fn handle_markets_socket(
socket: WebSocket,
state: AppState,
_auth: Option<AuthContext>,
) {
let ws_state = &state.websocket;
ws_state.broadcaster.add_connection().await;
let mut receiver = ws_state.broadcaster.subscribe(EventCategory::Markets);
let (mut sender, mut ws_receiver) = socket.split();
let subscribed = ServerMessage::Subscribed {
channel: "markets".to_string(),
subscription_id: Uuid::new_v4().to_string(),
};
if let Ok(msg) = serde_json::to_string(&subscribed) {
let _ = sender.send(Message::Text(msg)).await;
}
loop {
tokio::select! {
event = receiver.recv() => {
match event {
Ok(e) => {
let server_msg = ServerMessage::Event {
channel: "markets".to_string(),
event: e,
timestamp: chrono::Utc::now().timestamp() as u64,
};
if let Ok(text) = serde_json::to_string(&server_msg) {
if sender.send(Message::Text(text)).await.is_err() {
break;
}
}
}
Err(_) => continue,
}
}
msg = ws_receiver.next() => {
match msg {
Some(Ok(Message::Close(_))) | None => break,
_ => {}
}
}
}
}
ws_state.broadcaster.remove_connection().await;
}
// ============================================================================
// Tests
// ============================================================================
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_event_serialization() {
let event = Event::Block(BlockEvent {
hash: "abc123".to_string(),
height: 100,
timestamp: 1705312200,
tx_count: 5,
blue_score: 50,
parent_hashes: vec!["parent1".to_string()],
});
let json = serde_json::to_string(&event).unwrap();
assert!(json.contains("blocks"));
assert!(json.contains("abc123"));
}
#[test]
fn test_client_message_parsing() {
let json = r#"{"type":"subscribe","channel":"blocks","params":{}}"#;
let msg: ClientMessage = serde_json::from_str(json).unwrap();
match msg {
ClientMessage::Subscribe { channel, .. } => {
assert_eq!(channel, "blocks");
}
_ => panic!("Expected Subscribe message"),
}
}
#[test]
fn test_server_message_serialization() {
let msg = ServerMessage::Welcome {
session_id: "test-session".to_string(),
version: "1.0.0".to_string(),
};
let json = serde_json::to_string(&msg).unwrap();
assert!(json.contains("welcome"));
assert!(json.contains("test-session"));
}
}