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use crate::{Factory, Result, Swarm, Version};
use anyhow::Context;
use rand::rngs::StdRng;
use std::{
collections::HashMap,
num::NonZeroUsize,
path::{Path, PathBuf},
sync::Arc,
};
mod cargo;
mod node;
mod swarm;
pub use node::LocalNode;
pub use swarm::{LocalSwarm, LocalSwarmBuilder, SwarmDirectory};
#[derive(Clone, Debug)]
pub struct LocalVersion {
revision: String,
bin: PathBuf,
version: Version,
}
impl LocalVersion {
pub fn new(revision: String, bin: PathBuf, version: Version) -> Self {
Self {
revision,
bin,
version,
}
}
pub fn bin(&self) -> &Path {
&self.bin
}
pub fn version(&self) -> Version {
self.version.clone()
}
}
pub struct LocalFactory {
versions: Arc<HashMap<Version, LocalVersion>>,
}
impl LocalFactory {
pub fn new(versions: HashMap<Version, LocalVersion>) -> Self {
Self {
versions: Arc::new(versions),
}
}
pub fn from_workspace() -> Result<Self> {
let mut versions = HashMap::new();
let new_version = cargo::get_diem_node_binary_from_worktree().map(|(revision, bin)| {
let version = Version::new(usize::max_value(), revision.clone());
LocalVersion {
revision,
bin,
version,
}
})?;
versions.insert(new_version.version.clone(), new_version);
Ok(Self::new(versions))
}
pub fn from_revision(revision: &str) -> Result<Self> {
let mut versions = HashMap::new();
let new_version =
cargo::get_diem_node_binary_at_revision(revision).map(|(revision, bin)| {
let version = Version::new(usize::max_value(), revision.clone());
LocalVersion {
revision,
bin,
version,
}
})?;
versions.insert(new_version.version.clone(), new_version);
Ok(Self::new(versions))
}
pub fn with_revision_and_workspace(revision: &str) -> Result<Self> {
let workspace = cargo::get_diem_node_binary_from_worktree().map(|(revision, bin)| {
let version = Version::new(usize::max_value(), revision.clone());
LocalVersion {
revision,
bin,
version,
}
})?;
let revision =
cargo::get_diem_node_binary_at_revision(revision).map(|(revision, bin)| {
let version = Version::new(usize::min_value(), revision.clone());
LocalVersion {
revision,
bin,
version,
}
})?;
let mut versions = HashMap::new();
versions.insert(workspace.version(), workspace);
versions.insert(revision.version(), revision);
Ok(Self::new(versions))
}
pub fn with_upstream_and_workspace() -> Result<Self> {
let upstream_main = cargo::git_get_upstream_remote().map(|r| format!("{}/main", r))?;
Self::with_revision_and_workspace(&upstream_main)
}
pub fn with_upstream_merge_base_and_workspace() -> Result<Self> {
let upstream_main = cargo::git_get_upstream_remote().map(|r| format!("{}/main", r))?;
let merge_base = cargo::git_merge_base(upstream_main)?;
Self::with_revision_and_workspace(&merge_base)
}
pub fn new_swarm<R>(&self, rng: R, number_of_validators: NonZeroUsize) -> Result<LocalSwarm>
where
R: ::rand::RngCore + ::rand::CryptoRng,
{
let version = self.versions.keys().max().unwrap();
self.new_swarm_with_version(rng, number_of_validators, version)
}
pub fn new_swarm_with_version<R>(
&self,
rng: R,
number_of_validators: NonZeroUsize,
version: &Version,
) -> Result<LocalSwarm>
where
R: ::rand::RngCore + ::rand::CryptoRng,
{
let mut swarm = LocalSwarm::builder(self.versions.clone())
.number_of_validators(number_of_validators)
.initial_version(version.clone())
.build(rng)?;
swarm
.launch()
.with_context(|| format!("Swarm logs can be found here: {}", swarm.logs_location()))?;
Ok(swarm)
}
}
impl Factory for LocalFactory {
fn versions<'a>(&'a self) -> Box<dyn Iterator<Item = Version> + 'a> {
Box::new(self.versions.keys().cloned())
}
fn launch_swarm(
&self,
rng: &mut StdRng,
node_num: NonZeroUsize,
version: &Version,
) -> Result<Box<dyn Swarm>> {
let swarm = self.new_swarm_with_version(rng, node_num, version)?;
Ok(Box::new(swarm))
}
}