enhanced account and balance

This commit is contained in:
victor 2025-09-02 23:45:16 +02:00
parent 5df4c42a7a
commit 5658b4e397
24 changed files with 491 additions and 211 deletions

1
TODO
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@ -1,5 +1,6 @@
Non Exaustive list of ideas:
- Add Readme
- Scripting with rhai []
- Mouse Input []
- Http server []

1
node/.rustfmt.toml Normal file
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@ -0,0 +1 @@
tab_spaces = 2

59
node/Cargo.lock generated
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@ -177,6 +177,7 @@ dependencies = [
"chrono",
"clap",
"crossterm 0.29.0",
"futures",
"hex",
"memory-stats",
"once_cell",
@ -398,6 +399,7 @@ dependencies = [
"crossterm_winapi",
"derive_more",
"document-features",
"futures-core",
"mio",
"parking_lot 0.12.4",
"rustix 1.0.8",
@ -550,12 +552,65 @@ dependencies = [
"winapi",
]
[[package]]
name = "futures"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
dependencies = [
"futures-channel",
"futures-core",
"futures-executor",
"futures-io",
"futures-sink",
"futures-task",
"futures-util",
]
[[package]]
name = "futures-channel"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
dependencies = [
"futures-core",
"futures-sink",
]
[[package]]
name = "futures-core"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
[[package]]
name = "futures-executor"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
dependencies = [
"futures-core",
"futures-task",
"futures-util",
]
[[package]]
name = "futures-io"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
[[package]]
name = "futures-macro"
version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "futures-sink"
version = "0.3.31"
@ -574,9 +629,13 @@ version = "0.3.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
dependencies = [
"futures-channel",
"futures-core",
"futures-io",
"futures-macro",
"futures-sink",
"futures-task",
"memchr",
"pin-project-lite",
"pin-utils",
"slab",

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@ -16,7 +16,7 @@ tokio-tungstenite = "0.27.0"
uuid = { version = "1.18.0", features = ["v4", "serde"] }
vlogger = { path = "./lib/logger-rs" }
ratatui = "0.29.0"
crossterm = "0.29.0"
crossterm = { version = "0.29.0", features = ["event-stream"] }
once_cell = "1.21.3"
async-trait = "0.1.89"
anyhow = "1.0.99"
@ -26,3 +26,4 @@ memory-stats = "1.2.0"
textwrap = "0.16.2"
sled = "0.34.7"
bincode = { version = "2.0.1", features = ["derive", "serde"] }
futures = "0.3.31"

6
node/proc/15:16:35_93227 Normal file
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@ -0,0 +1,6 @@
[INFO ] [watcher.rs :145 ] 15:16:45: Physical memory usage: 32 MB
[INFO ] [watcher.rs :154 ] 15:16:45: Virtual memory usage: 1691 MB
[INFO ] [watcher.rs :145 ] 15:16:55: Physical memory usage: 32 MB
[INFO ] [watcher.rs :154 ] 15:16:55: Virtual memory usage: 1691 MB
[INFO ] [watcher.rs :145 ] 15:17:05: Physical memory usage: 32 MB
[INFO ] [watcher.rs :154 ] 15:17:05: Virtual memory usage: 1691 MB

4
node/proc/15:17:19_93429 Normal file
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@ -0,0 +1,4 @@
[INFO ] [watcher.rs :145 ] 15:17:29: Physical memory usage: 32 MB
[INFO ] [watcher.rs :154 ] 15:17:29: Virtual memory usage: 1691 MB
[INFO ] [watcher.rs :145 ] 15:17:39: Physical memory usage: 32 MB
[INFO ] [watcher.rs :154 ] 15:17:39: Virtual memory usage: 1691 MB

0
node/proc/15:37:10_96980 Normal file
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6
node/proc/15:40:52_98073 Normal file
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@ -0,0 +1,6 @@
[INFO ] [watcher.rs :145 ] 15:41:02: Physical memory usage: 32 MB
[INFO ] [watcher.rs :154 ] 15:41:02: Virtual memory usage: 1691 MB
[INFO ] [watcher.rs :145 ] 15:41:12: Physical memory usage: 32 MB
[INFO ] [watcher.rs :154 ] 15:41:12: Virtual memory usage: 1691 MB
[INFO ] [watcher.rs :145 ] 15:41:22: Physical memory usage: 32 MB
[INFO ] [watcher.rs :154 ] 15:41:22: Virtual memory usage: 1691 MB

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@ -94,14 +94,6 @@ pub enum CliBlockCommand {
#[command(name = "create", aliases = ["c", "new"])]
Create,
/// Export Blocks to file
#[command(name = "dump", aliases = ["export"])]
Dump {
/// Output file
#[arg(short, long)]
output: String,
},
/// Display Block by Hash
#[command(name = "display", aliases = ["d"])]
#[group(multiple = false)]

21
node/src/bus/error.rs Normal file
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@ -0,0 +1,21 @@
use once_cell::sync::Lazy;
use std::sync::Arc;
use tokio::sync::broadcast;
use super::event_bus::EventBus;
use crate::executor::ExecutorCommand;
pub enum ErrorEvent {
}
static ERROR_BUS: Lazy<Arc<EventBus<ExecutorCommand>>> =
Lazy::new(|| Arc::new(EventBus::new()));
pub fn publish_error(event: ExecutorCommand) {
ERROR_BUS.publish(event);
}
pub fn subscribe_error_bus() -> broadcast::Receiver<ExecutorCommand> {
ERROR_BUS.subscribe()
}

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@ -9,7 +9,8 @@ pub enum SystemEvent {
ExecutorStarted,
RendererStarted,
NodeStarted,
Exit,
Shutdown,
Abort,
}
static SYSTEM_EVENT_BUS: Lazy<Arc<EventBus<SystemEvent>>> = Lazy::new(|| Arc::new(EventBus::new()));

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@ -18,7 +18,6 @@ pub fn handle_peer_command(cmd: CliPeerCommand) -> NodeCommand {
pub fn handle_block_command(cmd: CliBlockCommand) -> NodeCommand {
match cmd {
CliBlockCommand::List => NodeCommand::ListBlocks,
CliBlockCommand::Dump { output } => NodeCommand::DumpBlocks(output),
CliBlockCommand::Create => NodeCommand::CreateBlock,
CliBlockCommand::Display { key, height } => match (key, height) {
(Some(k), _) => return NodeCommand::DisplayBlockByKey(k),

22
node/src/core/account.rs Normal file
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@ -0,0 +1,22 @@
pub type Address = String;
#[derive(Debug, bincode::Decode, bincode::Encode)]
pub struct Account {
address: Address,
balance: u64,
nonce: u64,
}
impl Account {
pub fn nonce(&self) -> u64 {
self.nonce
}
pub fn balance(&self) -> u64 {
self.balance
}
pub fn address(&self) -> &Address {
&self.address
}
}

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@ -1,4 +1,7 @@
use std::sync::Arc;
use std::time::UNIX_EPOCH;
use thiserror::*;
use crate::core;
use crate::core::ChainData;
@ -10,15 +13,10 @@ use crate::log;
use super::hasher::Hasher;
use std::collections::HashMap;
use std::time::UNIX_EPOCH;
use vlogger::*;
use thiserror::*;
#[allow(dead_code)]
#[derive(Error, Debug)]
pub enum BlockchainError {
#[error("Blockchain initialisation failed")]
#[error("Database operation failed")]
Database(#[from] DatabaseError),
#[error("invalid account creation")]
@ -30,14 +28,15 @@ pub enum BlockchainError {
#[error("Validation Error")]
Validation(#[from] ValidationError),
#[error("Insufficient fonds on address {0}")]
InsufficientFunds(String),
#[error("Block Creation Error")]
BlockCreation,
}
const BLOCKCHAIN_ID: &str = "watch-chain";
pub type Account = String;
#[derive(Debug, thiserror::Error)]
pub enum ValidationError {
#[error("Invalid Block Hash Detected at height {0}")]
@ -52,27 +51,12 @@ pub enum ValidationError {
#[derive(Debug)]
pub struct Blockchain {
id: String,
balances: std::collections::HashMap<Account, u32>,
mempool: Vec<ChainData>,
db: database::ChainDb,
}
#[allow(dead_code)]
impl Blockchain {
pub fn add(&mut self, data: ChainData) -> Result<(), BlockchainError> {
self.apply(data.clone())?;
self.mempool.push(data);
Ok(())
}
fn acc_exists(&self, acc: &Account) -> bool {
self.balances.iter().find(|(k, _)| *k == acc).is_some()
}
pub fn dump_blocks(&self, path: String) {
log(msg!(DEBUG, "TODO: implement block export"));
}
fn hash_transaction_pool(&self) -> Vec<String> {
self
.mempool
@ -125,32 +109,23 @@ impl Blockchain {
fn apply_transaction(&mut self, tx: &core::Tx) -> Result<(), BlockchainError> {
tx.validate()?;
return Ok(());
if let Some(from_balance) = self.balances.get_mut(tx.from()) {
if *from_balance > tx.value() {
*from_balance -= tx.value();
} else {
return Err(BlockchainError::Tx(TxError::FromInsuffitientFonds));
}
} else {
return Err(BlockchainError::Tx(TxError::UnknownAccount(
tx.from().to_string(),
)));
let from = tx.from();
let to = tx.to();
let from_balance = self.db.get_balance(tx.from())?;
let to_balance = self.db.get_balance(tx.to())?;
if tx.value() > from_balance {
return Err(BlockchainError::InsufficientFunds(tx.from().to_string()))
}
if let Some(to_balance) = self.balances.get_mut(&tx.to().to_string()) {
*to_balance += tx.value()
} else {
if self.acc_exists(tx.to()) {
*self.balances.get_mut(tx.to()).unwrap() += tx.value();
} else {
self.balances.insert(tx.to().clone(), tx.value());
}
}
Ok(())
let new_from_balance = from_balance - tx.value();
let new_to_balance = to_balance + tx.value();
let changes = vec![(from, new_from_balance), (to, new_to_balance)];
Ok(self.db.set_balance_batch(changes)?)
}
pub fn apply(&mut self, data: ChainData) -> Result<(), BlockchainError> {
pub fn apply_chain_data(&mut self, data: ChainData) -> Result<(), BlockchainError> {
match &data {
ChainData::Transaction(tx) => {
self.apply_transaction(tx)?;
@ -171,10 +146,6 @@ impl Blockchain {
Ok(ret)
}
pub fn get_balances(&self) -> &std::collections::HashMap<String, u32> {
&self.balances
}
pub fn blocks(&self) -> Result<Vec<std::sync::Arc<core::Block>>, BlockchainError> {
Ok(self.db.get_all_blocks()?)
}
@ -238,12 +209,18 @@ impl Blockchain {
Ok(())
}
pub async fn shutdown(&self) -> Result<(), BlockchainError> {
self.db.dump_mempool(&self.mempool)?;
self.db.shutdown().await?;
Ok(())
}
pub fn build(path: Option<String>) -> Result<Blockchain, BlockchainError> {
let db = db::ChainDb::new(path).or_else(|e| Err(BlockchainError::Database(e)))?;
let mempool = db.recover_mempool()?;
let chain = Blockchain {
balances: HashMap::new(),
mempool: vec![],
mempool,
id: BLOCKCHAIN_ID.to_string(),
db,
};

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@ -1,18 +1,18 @@
use crate::core::Account;
use crate::error::TxError;
use super::Address;
#[derive(
serde::Deserialize, serde::Serialize, Debug, clap::Args, Clone, bincode::Encode, bincode::Decode,
)]
pub struct Tx {
from: Account,
to: Account,
value: u32,
from: String,
to: String,
value: u64,
data: String,
}
impl Tx {
pub fn new(from: Account, to: Account, value: u32, data: String) -> Self {
pub fn new(from: String, to: String, value: u64, data: String) -> Self {
Self {
from,
to,
@ -37,13 +37,13 @@ impl Tx {
pub fn is_reward(&self) -> bool {
return self.data == "reward";
}
pub fn from(&self) -> &Account {
pub fn from(&self) -> &Address {
&self.from
}
pub fn to(&self) -> &Account {
pub fn to(&self) -> &Address {
&self.to
}
pub fn value(&self) -> u32 {
pub fn value(&self) -> u64 {
self.value
}
pub fn data(&self) -> &str {

View File

@ -1,53 +1,73 @@
use crate::{
core::{self, Block, ChainData, Hasher},
db::error::DatabaseError,
error::print_error_chain,
log,
};
use bincode::{self, config::Configuration};
use sled::{self, Batch};
use std::sync::Arc;
use vlogger::*;
use crate::{
core::{self, Block, ChainData, Hasher, Address, Account},
db::error::DatabaseError,
error::print_error_chain,
log,
};
static BINCODE_CONFIG: Configuration = bincode::config::standard();
const DB_PATH: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/database");
const DB_TREE: &str = "blocks";
const BLOCK_INDEX: &str = "blocks";
const CHAIN_DATA_INDEX: &str = "chain_data";
const DATA_TO_BLOCK_INDEX: &str = "data_to_block";
const METADATA_INDEX: &str = "metadata";
const BLOCK_PREFIX: &str = "blocks";
const CHAIN_DATA_PREFIX: &str = "chain_data";
const DATA_TO_BLOCK_PREFIX: &str = "data_to_block";
const METADATA_PREFIX: &str = "metadata";
const BALANCE_PREFIX: &str = "balance";
const ACCOUNT_PREFIX: &str = "account";
const MEMPOOL_PREFIX: &str = "mempool";
const TIP_KEY: &str = "chain_tip";
const HEIGHT_KEY: &str = "chain_height";
const HEIGHT_TO_HASH_INDEX: &str = "height_to_hash";
const HEIGHT_TO_HASH_PREFIX: &str = "height_to_hash";
#[derive(Debug)]
pub struct ChainDb {
db: sled::Tree,
}
fn data_index(key: &str) -> String {
format!("{}:{}", CHAIN_DATA_INDEX, key)
fn data_prefix(key: &str) -> String {
format!("{}:{}", CHAIN_DATA_PREFIX, key)
}
fn data_to_block_index(key: &str) -> String {
format!("{}:{}", DATA_TO_BLOCK_INDEX, key)
fn data_to_block_prefix(key: &str) -> String {
format!("{}:{}", DATA_TO_BLOCK_PREFIX, key)
}
fn block_index(key: &str) -> String {
format!("{}:{}", BLOCK_INDEX, key)
fn block_prefix(key: &str) -> String {
format!("{}:{}", BLOCK_PREFIX, key)
}
fn metadata_index(key: &str) -> String {
format!("{}:{}", METADATA_INDEX, key)
fn metadata_prefix(key: &str) -> String {
format!("{}:{}", METADATA_PREFIX, key)
}
fn height_to_hash_index(height: u64) -> String {
format!("{}:{:020}", HEIGHT_TO_HASH_INDEX, height)
fn height_to_hash_prefix(height: u64) -> String {
format!("{}:{:020}", HEIGHT_TO_HASH_PREFIX, height)
}
fn balances_prefix(address: &str) -> String {
format!("{}:{}", BALANCE_PREFIX, address)
}
fn nonce_prefix(address: &str) -> String {
format!("{}:{}", ACCOUNT_PREFIX, address)
}
fn mempool_prefix(tx_hash: &str) -> String {
format!("{}:{}", MEMPOOL_PREFIX, tx_hash)
}
fn account_prefix(addr: &str) -> String {
format!("{}:{}", ACCOUNT_PREFIX, addr)
}
impl ChainDb {
@ -83,12 +103,118 @@ impl ChainDb {
}
}
pub fn get_block_by_key(&self, block_hash: &str) -> Result<Option<core::Block>, DatabaseError> {
let block_hash = block_index(block_hash);
pub fn get_account(&self, addr: &Address) -> Result<Option<Account>, DatabaseError> {
if let Some(bin_acc) = self.db.get(account_prefix(addr))? {
let (acc, _) = bincode::decode_from_slice::<Account, _>(&bin_acc, BINCODE_CONFIG)?;
Ok(Some(acc))
} else {
Ok(None)
}
}
pub fn insert_account(&self, acc: &Account) -> Result<(), DatabaseError> {
let mut batch = Batch::default();
if let Some(_) = self.get_account(acc.address())? {
return Err(DatabaseError::AccountExists(acc.address().to_string()));
}
let bin_acc = bincode::encode_to_vec(acc, BINCODE_CONFIG)?;
let bin_nonce = bincode::encode_to_vec(&acc.nonce(), BINCODE_CONFIG)?;
let bin_balance = bincode::encode_to_vec(&acc.balance(), BINCODE_CONFIG)?;
batch.insert(account_prefix(acc.address()).as_str(), bin_acc);
batch.insert(nonce_prefix(acc.address()).as_str(), bin_nonce);
batch.insert(balances_prefix(acc.address()).as_str(), bin_balance);
Ok(self.db.apply_batch(batch)?)
}
pub fn recover_mempool(&self) -> Result<Vec<ChainData>, DatabaseError> {
let mem_tree = self.db.scan_prefix(MEMPOOL_PREFIX);
let mut mem_vec = vec![];
for mem in mem_tree {
if let Ok((_, value)) = mem {
let (value, _) = bincode::decode_from_slice::<ChainData, _>(&value, BINCODE_CONFIG)?;
mem_vec.push(value);
} else {
return Err(DatabaseError::Corruption("Failed to recover Mempool".to_string()))
}
}
Ok(mem_vec)
}
pub fn dump_mempool(&self, mempool: &[ChainData]) -> Result<(), DatabaseError> {
let mut batch = Batch::default();
for mem in mempool {
let data_hash = Hasher::hash_chain_data(&mem);
let bin_data = bincode::encode_to_vec(&mem, BINCODE_CONFIG)?;
let key = mempool_prefix(&data_hash);
batch.insert(key.as_str(), bin_data);
}
self.db.apply_batch(batch)?;
Ok(())
}
pub async fn shutdown(&self) -> Result<usize, DatabaseError> {
Ok(self.db.flush_async().await?)
}
pub fn set_balance(&self, address: &Address, new_balance: u64) -> Result<(), DatabaseError> {
let mut batch = Batch::default();
let account_nonce = self.get_nonce(address)?;
let account_nonce = account_nonce + 1;
let bin_balance = bincode::encode_to_vec(new_balance, BINCODE_CONFIG)?;
let bin_nonce = bincode::encode_to_vec(account_nonce, BINCODE_CONFIG)?;
batch.insert(balances_prefix(address).as_str(), bin_balance);
batch.insert(nonce_prefix(address).as_str(), bin_nonce);
Ok(self.db.apply_batch(batch)?)
}
fn set_nonce(&self, address: &Address, nonce: u64) -> Result<(), DatabaseError> {
let bin_nonce = bincode::encode_to_vec(&nonce, BINCODE_CONFIG)?;
let address = nonce_prefix(address);
self.db.insert(address, bin_nonce)?;
Ok(())
}
fn get_nonce(&self, address: &Address) -> Result<u64, DatabaseError> {
match self.db.get(nonce_prefix(address))? {
Some(n) => {
let (nonce, _) = bincode::decode_from_slice::<u64, _>(&n, BINCODE_CONFIG)?;
Ok(nonce)
},
None => Err(DatabaseError::AccountNotFound(address.to_string()))
}
}
pub fn set_balance_batch(&self, changes: Vec<(&Address, u64)>) -> Result<(), DatabaseError> {
let mut batch = Batch::default();
for (address, amount) in changes {
let account_nonce = self.get_nonce(address)?;
let account_nonce = account_nonce + 1;
let balance_key = balances_prefix(&address);
let bin_amount = bincode::encode_to_vec(amount, BINCODE_CONFIG)?;
let bin_nonce = bincode::encode_to_vec(&account_nonce, BINCODE_CONFIG)?;
batch.insert(nonce_prefix(address).as_str(), bin_nonce);
batch.insert(balance_key.as_str(), bin_amount);
}
Ok(self.db.apply_batch(batch)?)
}
pub fn get_balance(&self, address: &Address) -> Result<u64, DatabaseError> {
match self.db.get(balances_prefix(address))? {
Some(b) => {
let (balance, _) = bincode::decode_from_slice::<u64, _>(&b, BINCODE_CONFIG)?;
Ok(balance)
},
None => Err(DatabaseError::AccountNotFound(address.to_string())),
}
}
pub fn get_block_by_key(&self, block_hash: &str) -> Result<Option<Arc<core::Block>>, DatabaseError> {
let block_hash = block_prefix(block_hash);
if let Some(bin_block) = self.db.get(block_hash)? {
let (block, _size) = bincode::decode_from_slice::<core::Block, _>(&bin_block, BINCODE_CONFIG)
.map_err(|e| DatabaseError::Decode(e))?;
Ok(Some(block))
Ok(Some(block.into()))
} else {
Ok(None)
}
@ -98,22 +224,19 @@ impl ChainDb {
&self,
height: u64,
) -> Result<Option<Arc<core::Block>>, DatabaseError> {
for result in self.db.scan_prefix(BLOCK_INDEX) {
let (_key, value) = result?;
let (block, _size) = bincode::decode_from_slice::<core::Block, _>(&value, BINCODE_CONFIG)?;
if block.head().height == height {
return Ok(Some(Arc::new(block)));
}
if let Some(hash) = self.db.get(height_to_hash_prefix(height))? {
let (hash_str, _) = bincode::decode_from_slice::<String, _>(&hash, BINCODE_CONFIG)?;
Ok(self.get_block_by_key(&hash_str)?)
} else {
Ok(None)
}
Ok(None)
}
pub fn get_block_data(&self, block: &Block) -> Result<Arc<Vec<ChainData>>, DatabaseError> {
let mut chain_data = Vec::new();
for data_hash in &block.data {
let data_hash = data_index(data_hash);
let data_hash = data_prefix(data_hash);
if let Some(bin_data) = self.db.get(&data_hash)? {
let (data, _) = bincode::decode_from_slice::<ChainData, _>(&bin_data, BINCODE_CONFIG)?;
chain_data.push(data);
@ -128,7 +251,7 @@ impl ChainDb {
pub fn get_all_blocks(&self) -> Result<Vec<Arc<core::Block>>, DatabaseError> {
self
.db
.scan_prefix(BLOCK_INDEX)
.scan_prefix(BLOCK_PREFIX)
.map(|res| -> Result<Arc<core::Block>, DatabaseError> {
let (_key, value) = res?;
let (block, _size) = bincode::decode_from_slice::<core::Block, _>(&value, BINCODE_CONFIG)
@ -140,7 +263,7 @@ impl ChainDb {
pub fn add_data(&self, data: &core::ChainData) -> Result<(), DatabaseError> {
let bin_data = bincode::encode_to_vec(data, BINCODE_CONFIG)?;
let data_hash = data_index(&Hasher::hash_chain_data(data));
let data_hash = data_prefix(&Hasher::hash_chain_data(data));
self.db.insert(data_hash, bin_data)?;
Ok(())
}
@ -148,21 +271,22 @@ impl ChainDb {
pub fn add_block(&self, block: &core::Block) -> Result<(), DatabaseError> {
let mut db_batch = Batch::default();
let bin_block = bincode::encode_to_vec(block, BINCODE_CONFIG)?;
db_batch.insert(block_index(block.head().block_hash()).as_str(), bin_block);
db_batch.insert(block_prefix(block.head().block_hash()).as_str(), bin_block);
db_batch.insert(
height_to_hash_index(block.head().height).as_str(),
height_to_hash_prefix(block.head().height).as_str(),
block.head().block_hash(),
);
for data in block.data() {
db_batch.insert(
data_to_block_index(data.as_str()).as_str(),
data_to_block_prefix(data.as_str()).as_str(),
block.head().block_hash(),
);
}
db_batch.insert(metadata_index(TIP_KEY).as_str(), block.head().block_hash());
db_batch.insert(metadata_prefix(TIP_KEY).as_str(), block.head().block_hash());
let bin_head = bincode::encode_to_vec(&block.head().height, BINCODE_CONFIG)?;
db_batch.insert(
metadata_index(HEIGHT_KEY).as_str(),
&block.head().height.to_be_bytes(),
metadata_prefix(HEIGHT_KEY).as_str(),
bin_head
);
self.db.apply_batch(db_batch)?;
Ok(())

View File

@ -2,21 +2,20 @@ use thiserror::Error;
#[derive(Debug, Error)]
pub enum DatabaseError {
#[error("Database initialization failed")]
#[error("Database initialization failed: {0}")]
Init(#[from] std::io::Error),
#[error("Database read failed")]
Read(#[from] anyhow::Error),
#[error("Sled Failed")]
Sled(#[from] sled::Error),
#[error("Database Encode failed")]
#[error("Database operation failed: {0}")]
Operation(#[from] sled::Error),
#[error("Failed to serialize data: {0}")]
Encode(#[from] bincode::error::EncodeError),
#[error("Database Decode failed")]
#[error("Failed to deserialize data: {0}")]
Decode(#[from] bincode::error::DecodeError),
#[error("Missing chain data for hash: {0}")]
#[error("Chain data not found for hash: {0}")]
MissingData(String),
#[error("Account already exists: {0}")]
AccountExists(String),
#[error("Account does not exist: {0}")]
AccountNotFound(String),
#[error("Database corruption detected: {0}")]
Corruption(String),
}

View File

@ -1,12 +1,12 @@
use crate::{
bus::{SystemEvent, publish_watcher_event, publish_system_event},
bus::{publish_system_event, publish_watcher_event, subscribe_system_event, SystemEvent},
log,
node::NodeCommand,
renderer::RenderTarget,
watcher::WatcherCommand,
};
use thiserror::Error;
use tokio::sync::mpsc;
use tokio::{select, sync::mpsc};
use vlogger::*;
use super::ExecutorCommand;
@ -35,8 +35,21 @@ impl Executor {
pub async fn run(&mut self) {
publish_system_event(SystemEvent::ExecutorStarted);
let mut sys_rx = subscribe_system_event();
while !self.exit {
self.listen().await;
select! {
_ = self.listen() => {}
event_res = sys_rx.recv() => {
if let Ok(event) = event_res {
match event {
SystemEvent::Shutdown => {
self.exit().await;
}
_ => {}
}
}
}
}
}
}
@ -62,7 +75,7 @@ impl Executor {
async fn echo(&self, s: Vec<String>) {
let mut str = s.join(" ");
str.push_str("\n");
let rd_cmd = WatcherCommand::Render(RenderCommand::RenderStringToPaneId {
let rd_cmd = WatcherCommand::Render(RenderCommand::StringToPaneId {
str,
pane: RenderTarget::CliOutput,
});
@ -70,7 +83,7 @@ impl Executor {
}
async fn invalid_command(&self, str: String) {
let rd_cmd = WatcherCommand::Render(RenderCommand::RenderStringToPaneId {
let rd_cmd = WatcherCommand::Render(RenderCommand::StringToPaneId {
str,
pane: RenderTarget::CliOutput,
});

View File

@ -12,6 +12,26 @@ pub mod args;
pub mod error;
pub mod core {
pub mod block;
pub use block::*;
pub mod blockchain;
pub use blockchain::*;
pub mod tx;
pub use tx::*;
pub mod data;
pub use data::*;
pub mod hasher;
pub use hasher::*;
pub mod account;
pub use account::*;
}
pub mod db {
pub mod database;
pub mod error;
@ -23,9 +43,10 @@ pub mod bus {
pub mod event_bus;
pub mod network;
pub mod watcher;
pub mod error;
pub mod system;
pub use executor::*;
pub use error::*;
pub mod executor;
pub use network::*;
pub use watcher::*;
@ -72,29 +93,12 @@ pub mod protocol {
pub use connector::*;
}
pub mod core {
pub mod block;
pub use block::*;
pub mod blockchain;
pub use blockchain::*;
pub mod tx;
pub use tx::*;
pub mod data;
pub use data::*;
pub mod hasher;
pub use hasher::*;
}
pub mod seeds_constants;
use crate::renderer::{RenderCommand, RenderTarget};
pub fn log(msg: String) {
crate::bus::publish_watcher_event(watcher::WatcherCommand::Render(RenderCommand::RenderStringToPaneId {
crate::bus::publish_watcher_event(watcher::WatcherCommand::Render(RenderCommand::StringToPaneId {
pane: RenderTarget::CliOutput,
str: msg,
}))

View File

@ -1,4 +1,4 @@
use crate::bus::{publish_system_event, publish_watcher_event, SystemEvent};
use crate::bus::{publish_system_event, publish_watcher_event, subscribe_system_event, SystemEvent};
use crate::core::{self, Blockchain, BlockchainError, ChainData, ValidationError};
use crate::error::print_error_chain;
use crate::executor::ExecutorCommand;
@ -13,6 +13,7 @@ use std::net::SocketAddr;
use std::sync::Arc;
use thiserror::*;
use tokio::select;
use tokio::sync::mpsc;
use uuid::Uuid;
use vlogger::*;
@ -74,7 +75,6 @@ pub enum NodeCommand {
ListBlocks,
ListPeers,
ShowId,
DumpBlocks(String),
ConnectToSeeds,
ConnectTcpPeer(String),
BootStrap,
@ -155,6 +155,16 @@ impl Node {
}
}
async fn shutdown(&mut self) {
if let Some(conn) = &self.tcp_connector {
let res = conn.send(ConnectorCommand::Shutdown).await;
if res.is_err() {
log(msg!(ERROR, "Failed to send shutdown signal to connector"));
}
}
let _ = self.chain.shutdown().await;
}
fn get_blocks(&self) -> Result<Vec<Arc<core::Block>>, NodeError> {
Ok(self.chain.blocks()?)
}
@ -226,7 +236,7 @@ impl Node {
}
ProtocolMessage::ChainData { data, .. } => {
log(msg!(DEBUG, "Received ChainData from {peer_id}"));
self.chain.apply(data).unwrap()
self.chain.apply_chain_data(data).unwrap()
}
_ => {
log(msg!(DEBUG, "TODO: implement this message type"));
@ -312,13 +322,6 @@ impl Node {
return self.exec_tx.clone();
}
async fn network_data(&mut self, data: ChainData) {
match self.chain.apply(data) {
Ok(_) => log(msg!(DEBUG, "ChainData Applied")),
Err(e) => print_error_chain(&e.into()),
};
}
async fn connector_cmd(&self, cmd: ConnectorCommand) {
match &self.tcp_connector {
Some(t) => match t.send(cmd).await {
@ -348,20 +351,7 @@ impl Node {
.await;
}
pub async fn run(&mut self) {
if let Some(addr) = self.addr {
self.start_connection_listner(addr).await;
} else {
self
.start_connection_listner(SocketAddr::new(
std::net::IpAddr::V4(std::net::Ipv4Addr::new(0, 0, 0, 0)),
8080,
))
.await;
};
publish_system_event(SystemEvent::NodeStarted);
async fn accept_command(&mut self) {
while let Some(command) = self.rx.recv().await {
match command {
NodeCommand::BootStrap => {
@ -409,7 +399,9 @@ impl Node {
self.process_message(peer_id, message).await;
}
NodeCommand::ProcessChainData(data) => {
self.network_data(data.clone()).await;
if let Err(e) = self.chain.apply_chain_data(data.clone()) {
print_error_chain(&e.into());
}
self.broadcast_network_data(data).await;
}
NodeCommand::CreateBlock => {
@ -453,9 +445,6 @@ impl Node {
log(msg!(DEBUG, "Received DebugListBlocks command"));
self.show_id().await;
}
NodeCommand::DumpBlocks(s) => {
self.chain.dump_blocks(s);
}
NodeCommand::Exit => {
log(msg!(DEBUG, "Node Exit"));
break;
@ -463,4 +452,41 @@ impl Node {
}
}
}
pub async fn run(&mut self) {
if let Some(addr) = self.addr {
self.start_connection_listner(addr).await;
} else {
self
.start_connection_listner(SocketAddr::new(
std::net::IpAddr::V4(std::net::Ipv4Addr::new(0, 0, 0, 0)),
8080,
))
.await;
};
let mut system_rx = subscribe_system_event();
publish_system_event(SystemEvent::NodeStarted);
loop {
select! {
_ = self.accept_command() => {
}
event_result = system_rx.recv() => {
match event_result {
Ok(e) => {
match e {
SystemEvent::Shutdown => {
break;
}
_ => {}
}
}
_ => {}
}
}
}
}
self.shutdown().await;
}
}

View File

@ -19,6 +19,7 @@ use thiserror::*;
pub enum ConnectorCommand {
ConnectToTcpPeer(SocketAddr),
ConnectToTcpSeed(SocketAddr),
Shutdown,
}
pub struct Connector {
@ -26,6 +27,7 @@ pub struct Connector {
addr: SocketAddr,
exec_tx: mpsc::Sender<ExecutorCommand>,
rx: mpsc::Receiver<ConnectorCommand>,
exit: bool,
}
#[derive(Error, Debug)]
@ -48,6 +50,7 @@ impl Connector {
addr,
exec_tx,
rx,
exit: false,
}
}
@ -68,7 +71,7 @@ impl Connector {
};
}
if let Some(listener) = listner {
loop {
while !self.exit {
tokio::select! {
cmd_result = self.rx.recv() => {
match cmd_result {
@ -109,6 +112,9 @@ impl Connector {
ConnectorCommand::ConnectToTcpSeed(addr) => {
self.connect_to_seed(addr).await;
}
ConnectorCommand::Shutdown => {
self.exit = true;
}
}
}

View File

@ -8,9 +8,6 @@ use ratatui::{
symbols::border,
widgets::{Block, List, Paragraph, Widget},
};
use vlogger::{msg, DEBUG};
use crate::log;
use super::center;
@ -122,7 +119,6 @@ impl Widget for &mut Pane {
0
};
let scroll_offset = self.max_scroll.saturating_sub(self.scroll) as u16;
log(msg!(DEBUG, "idx {idx}"));
let list_w = List::new(
list
.iter()

View File

@ -26,14 +26,14 @@ pub struct Renderer {
#[derive(Clone, Debug)]
pub enum RenderCommand {
RenderStringToPaneId {
StringToPaneId {
str: String,
pane: RenderTarget,
},
RenderStringToPaneFocused {
StringToPaneFocused {
str: String,
},
RenderKeyInput(KeyCode),
KeyInput(KeyCode),
ListMove {
pane: RenderTarget,
index: usize,
@ -53,7 +53,6 @@ pub enum RenderCommand {
#[allow(dead_code)]
impl Renderer {
pub fn new(layout: RenderLayoutKind) -> Self {
todo!("Fix renderer idx in select mode");
Self {
buffer: String::new(),
exit: false,
@ -151,27 +150,28 @@ impl Renderer {
}
pub fn handle_arrow_key(&mut self, key: KeyCode) {
match &mut self.mode {
InputMode::Input => {}
InputMode::PopUp(ref content, .., idx) => {
log(msg!(DEBUG, "Received keycode: {key}"));
log(msg!(DEBUG, "idx before: {idx}"));
match key {
KeyCode::Up => { *idx = idx.saturating_sub(1) }
KeyCode::Down => {
if *idx < content.len() {
*idx += 1;
}
}
_ => {}
}
log(msg!(DEBUG, "idx after: {idx}"))
}
}
if let Some(pane) = self.focused() {
match &pane.target {
match &mut pane.target {
RenderTarget::CliInput => {}
RenderTarget::CliOutput => {}
RenderTarget::PopUp => {
match &mut pane.buffer {
RenderBuffer::Select(content, idx) => {
log(msg!(DEBUG, "idx before: {idx}"));
match key {
KeyCode::Up => { *idx = idx.saturating_sub(1) }
KeyCode::Down => {
if *idx < content.len().saturating_sub(1) {
*idx += 1;
}
}
_ => {}
}
log(msg!(DEBUG, "idx after: {idx}"))
}
_ => {}
}
}
_ => {}
}
}
@ -216,6 +216,12 @@ impl Renderer {
}
}
fn clear_focus(&mut self) {
while let Some(focused) = self.focused() {
focused.focused = false;
}
}
pub fn clear_pane(&mut self, pane: RenderTarget) {
if matches!(pane, RenderTarget::All) {
for p in self.layout.panes.iter_mut() {
@ -248,7 +254,7 @@ impl Renderer {
RenderCommand::MouseClickLeft(x, y) => self.handle_mouse_click_left(x, y, rects),
RenderCommand::MouseScrollUp => self.handle_scroll_up(),
RenderCommand::MouseScrollDown => self.handle_scroll_down(),
RenderCommand::RenderKeyInput(k) => match k {
RenderCommand::KeyInput(k) => match k {
KeyCode::Char(c) => self.handle_char_input(c),
KeyCode::Backspace => self.handle_backspace(),
KeyCode::Enter => self.handle_enter(),
@ -256,8 +262,8 @@ impl Renderer {
_ => {}
},
RenderCommand::ListMove { pane, index } => self.list_move(pane, index),
RenderCommand::RenderStringToPaneFocused { str } => self.render_string_to_focused(str),
RenderCommand::RenderStringToPaneId { str, pane } => self.render_string_to_id(str, pane),
RenderCommand::StringToPaneFocused { str } => self.render_string_to_focused(str),
RenderCommand::StringToPaneId { str, pane } => self.render_string_to_id(str, pane),
RenderCommand::Exit => self.exit(),
RenderCommand::ChangeLayout(l) => self.layout = RenderLayout::generate(l),
RenderCommand::ClearPane => self.clear_pane(RenderTarget::All),
@ -269,6 +275,7 @@ impl Renderer {
}
}
InputMode::PopUp(content, title, ..) => {
self.clear_focus();
let pane = Pane::new(
Some(title.to_string()),
RenderTarget::PopUp,

View File

@ -1,4 +1,4 @@
use crate::{cli::cli, error::print_error_chain, node::node::NodeCommand, watcher::WatcherMode};
use crate::{bus::{publish_system_event, subscribe_system_event, SystemEvent}, cli::cli, error::print_error_chain, node::node::NodeCommand, watcher::WatcherMode};
use crossterm::event::{Event, EventStream, KeyCode, KeyEventKind, MouseButton, MouseEventKind};
use futures::StreamExt;
use memory_stats::memory_stats;
@ -64,8 +64,12 @@ impl Watcher {
)
}
fn shutdown(&self) -> io::Result<()> {
async fn shutdown(&mut self) -> io::Result<()> {
ratatui::restore();
let handles = std::mem::take(&mut self.handles);
for handle in handles {
handle.await.unwrap()
}
crossterm::execute!(
std::io::stdout(),
crossterm::event::DisableBracketedPaste,
@ -98,6 +102,7 @@ impl Watcher {
let mut ui_rx = subscribe_watcher_event();
let mut render_interval = interval(Duration::from_millis(32));
let mut terminal = ratatui::init();
let mut system_rx = subscribe_system_event();
self.init()?;
@ -124,12 +129,22 @@ impl Watcher {
}
}
}
event_res = system_rx.recv() => {
if let Ok(event) = event_res {
match event {
SystemEvent::Shutdown => {
break ;
}
_ => {}
}
}
}
_ = render_interval.tick() => {
terminal.draw(|frame| self.renderer.draw(frame))?;
}
}
}
self.shutdown()
self.shutdown().await
}
pub fn build() -> WatcherBuilder {
@ -257,7 +272,7 @@ impl Watcher {
_ => {}
},
Event::Key(k) if k.kind == KeyEventKind::Press => match k.code {
KeyCode::Esc => return Ok(false),
KeyCode::Esc => publish_system_event(SystemEvent::Shutdown),
KeyCode::Char(c) => {
self.cmd_buffer.push(c);
self.renderer.handle_char_input(c)