2020-09-28 06:18:50 +00:00
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#![warn(
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unused_extern_crates,
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missing_debug_implementations,
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missing_copy_implementations,
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rust_2018_idioms,
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clippy::cast_possible_truncation,
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clippy::cast_sign_loss,
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clippy::fallible_impl_from,
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clippy::cast_precision_loss,
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clippy::cast_possible_wrap,
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clippy::dbg_macro
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)]
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#![forbid(unsafe_code)]
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//! # monero-harness
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//!
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//! A simple lib to start a monero container (incl. monerod and
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//! monero-wallet-rpc). Provides initialisation methods to generate blocks,
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//! create and fund accounts, and start a continuous mining task mining blocks
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//! every BLOCK_TIME_SECS seconds.
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//!
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//! Also provides standalone JSON RPC clients for monerod and monero-wallet-rpc.
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pub mod image;
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pub mod rpc;
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2020-11-01 23:02:28 +00:00
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use anyhow::{anyhow, bail, Result};
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2020-09-28 06:18:50 +00:00
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use serde::Deserialize;
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use std::time::Duration;
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2020-10-29 01:52:29 +00:00
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use testcontainers::{clients::Cli, core::Port, Container, Docker, RunArgs};
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2020-09-28 06:18:50 +00:00
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use tokio::time;
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use crate::{
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2020-11-01 23:02:28 +00:00
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image::{
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MONEROD_DAEMON_CONTAINER_NAME, MONEROD_DEFAULT_NETWORK, MONEROD_RPC_PORT, WALLET_RPC_PORT,
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},
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2020-09-28 06:18:50 +00:00
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rpc::{
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monerod,
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2020-11-02 05:00:35 +00:00
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wallet::{self, GetAddress, Transfer},
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2020-09-28 06:18:50 +00:00
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},
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};
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/// How often we mine a block.
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const BLOCK_TIME_SECS: u64 = 1;
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/// Poll interval when checking if the wallet has synced with monerod.
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const WAIT_WALLET_SYNC_MILLIS: u64 = 1000;
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2020-11-01 23:02:28 +00:00
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#[derive(Clone, Debug)]
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2020-10-20 01:18:27 +00:00
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pub struct Monero {
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2020-11-02 05:00:35 +00:00
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monerod: Monerod,
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wallets: Vec<MoneroWalletRpc>,
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miner_address: String,
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}
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impl<'c> Monero {
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/// Starts a new regtest monero container setup consisting out of 1 monerod
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/// node and n wallets. The containers will be prefixed with
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/// `container_prefix` if provided. There will be 1 miner wallet started
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/// automatically. Default monerod container name will be: `monerod`
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/// Default miner wallet container name will be: `miner`
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/// Default network `monero`
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pub async fn new(
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cli: &'c Cli,
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container_prefix: Option<String>,
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network_prefix: Option<String>,
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additional_wallets: Vec<String>,
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) -> Result<(Self, Vec<Container<'c, Cli, image::Monero>>)> {
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let monerod_name = format!(
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"{}{}",
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container_prefix.unwrap_or_else(|| "".to_string()),
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MONEROD_DAEMON_CONTAINER_NAME
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);
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let network = format!(
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"{}{}",
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network_prefix.unwrap_or_else(|| "".to_string()),
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MONEROD_DEFAULT_NETWORK
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);
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tracing::info!("Starting monerod...");
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let (monerod, monerod_container) = Monerod::new(cli, monerod_name, network)?;
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let mut containers = vec![monerod_container];
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let mut wallets = vec![];
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tracing::info!("Starting miner...");
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let (miner_wallet, miner_container) = MoneroWalletRpc::new(cli, "miner", &monerod).await?;
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let miner_address = miner_wallet.address().await?.address;
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monerod.start_miner(&miner_address).await?;
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tracing::info!("Waiting for miner wallet to catch up...");
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let block_height = monerod.inner().get_block_count().await?;
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miner_wallet
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.wait_for_wallet_height(block_height)
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.await
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.unwrap();
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wallets.push(miner_wallet);
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containers.push(miner_container);
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for wallet in additional_wallets.iter() {
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tracing::info!("Starting wallet: {}...", wallet);
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let (wallet, container) = MoneroWalletRpc::new(cli, wallet, &monerod).await?;
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wallets.push(wallet);
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containers.push(container);
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}
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Ok((
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Self {
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monerod,
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wallets,
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miner_address,
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},
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containers,
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))
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}
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pub fn monerod(&self) -> &Monerod {
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&self.monerod
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}
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pub fn wallet(&self, name: &str) -> Result<&MoneroWalletRpc> {
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let wallet = self
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.wallets
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.iter()
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.find(|wallet| wallet.name.eq(name))
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.ok_or_else(|| anyhow!("Could not find wallet container."))?;
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Ok(wallet)
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}
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pub async fn fund(&self, address: &str, amount: u64) -> Result<Transfer> {
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let transfer = self.wallet("miner")?.transfer(address, amount).await?;
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self.monerod
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.inner()
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.generate_blocks(10, &self.miner_address)
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.await?;
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Ok(transfer)
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}
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}
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#[derive(Clone, Debug)]
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pub struct Monerod {
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2020-11-01 23:02:28 +00:00
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rpc_port: u16,
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name: String,
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2020-11-02 05:00:35 +00:00
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network: String,
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2020-09-28 06:18:50 +00:00
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}
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2020-11-02 05:00:35 +00:00
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#[derive(Clone, Debug)]
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pub struct MoneroWalletRpc {
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rpc_port: u16,
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name: String,
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network: String,
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}
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impl<'c> Monerod {
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2020-09-28 06:18:50 +00:00
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/// Starts a new regtest monero container.
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2020-11-02 05:00:35 +00:00
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fn new(
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cli: &'c Cli,
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name: String,
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network: String,
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) -> Result<(Self, Container<'c, Cli, image::Monero>)> {
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2020-10-23 00:28:58 +00:00
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let monerod_rpc_port: u16 =
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port_check::free_local_port().ok_or_else(|| anyhow!("Could not retrieve free port"))?;
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2020-09-28 06:18:50 +00:00
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2020-10-29 01:52:29 +00:00
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let image = image::Monero::default().with_mapped_port(Port {
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local: monerod_rpc_port,
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internal: MONEROD_RPC_PORT,
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});
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let run_args = RunArgs::default()
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2020-11-02 05:00:35 +00:00
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.with_name(name.clone())
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.with_network(network.clone());
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2020-11-01 23:02:28 +00:00
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let docker = cli.run_with_args(image, run_args);
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Ok((
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Self {
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rpc_port: monerod_rpc_port,
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2020-11-02 05:00:35 +00:00
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name,
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network,
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2020-11-01 23:02:28 +00:00
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},
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docker,
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))
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}
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2020-11-02 05:00:35 +00:00
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pub fn inner(&self) -> monerod::Client {
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monerod::Client::localhost(self.rpc_port)
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}
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/// Spawns a task to mine blocks in a regular interval to the provided
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/// address
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pub async fn start_miner(&self, miner_wallet_address: &str) -> Result<()> {
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let monerod = self.inner();
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// generate the first 70 as bulk
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let block = monerod.generate_blocks(70, &miner_wallet_address).await?;
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println!("Generated {:?} blocks", block);
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let _ = tokio::spawn(mine(monerod.clone(), miner_wallet_address.to_string()));
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Ok(())
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}
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}
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impl<'c> MoneroWalletRpc {
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2020-11-02 03:42:08 +00:00
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/// Starts a new wallet container which is attached to
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/// MONEROD_DEFAULT_NETWORK and MONEROD_DAEMON_CONTAINER_NAME
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2020-11-02 05:00:35 +00:00
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async fn new(
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2020-11-01 23:02:28 +00:00
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cli: &'c Cli,
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name: &str,
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2020-11-02 05:00:35 +00:00
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monerod: &Monerod,
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2020-11-01 23:02:28 +00:00
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) -> Result<(Self, Container<'c, Cli, image::Monero>)> {
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let wallet_rpc_port: u16 =
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port_check::free_local_port().ok_or_else(|| anyhow!("Could not retrieve free port"))?;
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2020-11-02 05:00:35 +00:00
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let daemon_address = format!("{}:{}", monerod.name, MONEROD_RPC_PORT);
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let image = image::Monero::wallet(&name, daemon_address).with_mapped_port(Port {
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2020-11-01 23:02:28 +00:00
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local: wallet_rpc_port,
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internal: WALLET_RPC_PORT,
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});
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2020-11-02 05:00:35 +00:00
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let network = monerod.network.clone();
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2020-11-01 23:02:28 +00:00
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let run_args = RunArgs::default()
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.with_name(name)
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2020-11-02 05:00:35 +00:00
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.with_network(network.clone());
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2020-10-29 01:52:29 +00:00
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let docker = cli.run_with_args(image, run_args);
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2020-09-28 06:18:50 +00:00
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2020-11-01 23:02:28 +00:00
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// create new wallet
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wallet::Client::localhost(wallet_rpc_port)
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.create_wallet(name)
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.await
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.unwrap();
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Ok((
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Self {
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rpc_port: wallet_rpc_port,
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name: name.to_string(),
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2020-11-02 05:00:35 +00:00
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network,
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2020-11-01 23:02:28 +00:00
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},
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docker,
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))
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2020-09-28 06:18:50 +00:00
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}
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2020-11-02 05:00:35 +00:00
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pub fn inner(&self) -> wallet::Client {
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2020-11-01 23:02:28 +00:00
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wallet::Client::localhost(self.rpc_port)
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}
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2020-09-28 06:18:50 +00:00
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2020-11-01 23:02:28 +00:00
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// It takes a little while for the wallet to sync with monerod.
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pub async fn wait_for_wallet_height(&self, height: u32) -> Result<()> {
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let mut retry: u8 = 0;
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2020-11-02 05:00:35 +00:00
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while self.inner().block_height().await?.height < height {
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2020-11-01 23:02:28 +00:00
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if retry >= 30 {
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// ~30 seconds
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bail!("Wallet could not catch up with monerod after 30 retries.")
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}
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time::delay_for(Duration::from_millis(WAIT_WALLET_SYNC_MILLIS)).await;
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retry += 1;
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}
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Ok(())
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}
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2020-11-02 03:42:08 +00:00
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/// Sends amount to address
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pub async fn transfer(&self, address: &str, amount: u64) -> Result<Transfer> {
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2020-11-02 05:00:35 +00:00
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let miner_wallet = self.inner();
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2020-11-02 03:42:08 +00:00
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let transfer = miner_wallet.transfer(0, amount, address).await?;
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Ok(transfer)
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}
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2020-11-01 23:02:28 +00:00
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2020-11-02 05:00:35 +00:00
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pub async fn address(&self) -> Result<GetAddress> {
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self.inner().get_address(0).await
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}
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pub async fn balance(&self) -> Result<u64> {
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self.inner().get_balance(0).await
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}
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}
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2020-11-01 23:02:28 +00:00
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/// Mine a block ever BLOCK_TIME_SECS seconds.
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async fn mine(monerod: monerod::Client, reward_address: String) -> Result<()> {
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loop {
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time::delay_for(Duration::from_secs(BLOCK_TIME_SECS)).await;
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monerod.generate_blocks(1, &reward_address).await?;
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}
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2020-09-28 06:18:50 +00:00
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}
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// We should be able to use monero-rs for this but it does not include all
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// the fields.
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#[derive(Clone, Debug, Deserialize)]
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pub struct BlockHeader {
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pub block_size: u32,
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pub depth: u32,
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pub difficulty: u32,
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pub hash: String,
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pub height: u32,
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pub major_version: u32,
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pub minor_version: u32,
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pub nonce: u32,
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pub num_txes: u32,
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pub orphan_status: bool,
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pub prev_hash: String,
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pub reward: u64,
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pub timestamp: u32,
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}
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