chore: upgrade to Rust 2024 edition (#727)

.github/workflows/lint.yml

@@ -94,15 +94,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@main
-      - name: Install cargo-machete
-        uses: clechasseur/rs-cargo@v2
-        with:
-          command: install
-          args: cargo-machete@0.7.0
-      - name: Machete
-        uses: clechasseur/rs-cargo@v2
-        with:
-          command: machete
+      - name: machete
+        uses: bnjbvr/cargo-machete@main
 
   proto:
     name: proto check

CHANGELOG.md

@@ -21,6 +21,8 @@
 - [BREAKING] Update `GetBlockInputs` RPC (#709).
 - [BREAKING] `CheckNullifiersByPrefix` now takes a starting block number (#707).
 - [BREAKING] Removed nullifiers from `SyncState` endpoint (#708).
+- [BREAKING] Updated to Rust Edition 2024 (#727).
+- [BREAKING] MSRV bumped to 1.85 (#727).
 
 ### Enhancements
 

Cargo.toml

@@ -15,13 +15,13 @@ resolver = "2"
 
 [workspace.package]
 authors      = ["Miden contributors"]
-edition      = "2021"
+edition      = "2024"
 exclude      = [".github/"]
 homepage     = "https://polygon.technology/polygon-miden"
 license      = "MIT"
 readme       = "README.md"
 repository   = "https://github.com/0xPolygonMiden/miden-node"
-rust-version = "1.84"
+rust-version = "1.85"
 version      = "0.8.0"
 
 [workspace.dependencies]

README.md

@@ -2,7 +2,7 @@
 
 [![LICENSE](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/0xPolygonMiden/miden-node/blob/main/LICENSE)
 [![test](https://github.com/0xPolygonMiden/miden-node/actions/workflows/test.yml/badge.svg)](https://github.com/0xPolygonMiden/miden-node/actions/workflows/test.yml)
-[![RUST_VERSION](https://img.shields.io/badge/rustc-1.84+-lightgray.svg)](https://www.rust-lang.org/tools/install)
+[![RUST_VERSION](https://img.shields.io/badge/rustc-1.85+-lightgray.svg)](https://www.rust-lang.org/tools/install)
 [![crates.io](https://img.shields.io/crates/v/miden-node)](https://crates.io/crates/miden-node)
 
 This repository holds the Miden node; that is, the software which processes transactions and creates blocks for the
@@ -48,7 +48,7 @@ source.
 ### Debian package
 
 Debian packages are available and are the fastest way to install the node on a Debian-based system. Both `amd64` and
-`arm64` packages are available. 
+`arm64` packages are available.
 
 These packages can be found under our [releases](https://github.com/0xPolygonMiden/miden-node/releases) page along with
 a checksum.
@@ -73,7 +73,7 @@ sudo dpkg -i $package_name.deb
 
 ### Install using `cargo`
 
-Install Rust version **1.84** or greater using the official Rust installation
+Install Rust version **1.85** or greater using the official Rust installation
 [instructions](https://www.rust-lang.org/tools/install).
 
 Depending on the platform, you may need to install additional libraries. For example, on Ubuntu 22.04 the following

bin/faucet/src/client.rs

@@ -9,6 +9,7 @@ use miden_node_proto::generated::{
     rpc::api_client::ApiClient,
 };
 use miden_objects::{
+    Felt,
     account::{Account, AccountFile, AccountId, AuthSecretKey},
     asset::FungibleAsset,
     block::{BlockHeader, BlockNumber},
@@ -20,17 +21,16 @@ use miden_objects::{
     transaction::{ChainMmr, ExecutedTransaction, TransactionArgs, TransactionScript},
     utils::Deserializable,
     vm::AdviceMap,
-    Felt,
 };
 use miden_tx::{
-    auth::BasicAuthenticator, utils::Serializable, LocalTransactionProver, ProvingOptions,
-    TransactionExecutor, TransactionProver,
+    LocalTransactionProver, ProvingOptions, TransactionExecutor, TransactionProver,
+    auth::BasicAuthenticator, utils::Serializable,
 };
 use rand::{random, rngs::StdRng};
 use tonic::transport::Channel;
 use tracing::info;
 
-use crate::{config::FaucetConfig, errors::ClientError, store::FaucetDataStore, COMPONENT};
+use crate::{COMPONENT, config::FaucetConfig, errors::ClientError, store::FaucetDataStore};
 
 pub const DISTRIBUTE_FUNGIBLE_ASSET_SCRIPT: &str =
     include_str!("transaction_scripts/distribute_fungible_asset.masm");

bin/faucet/src/errors.rs

@@ -1,7 +1,7 @@
 use std::fmt::Debug;
 
 use axum::{
-    http::{header, StatusCode},
+    http::{StatusCode, header},
     response::{IntoResponse, Response},
 };
 use miden_objects::AccountIdError;

bin/faucet/src/handlers.rs

@@ -1,9 +1,9 @@
 use anyhow::Context;
 use axum::{
+    Json,
     extract::State,
     http::{Response, StatusCode},
     response::IntoResponse,
-    Json,
 };
 use http::header;
 use http_body_util::Full;
@@ -16,7 +16,7 @@ use serde::{Deserialize, Serialize};
 use tonic::body;
 use tracing::info;
 
-use crate::{errors::HandlerError, state::FaucetState, COMPONENT};
+use crate::{COMPONENT, errors::HandlerError, state::FaucetState};
 
 #[derive(Deserialize)]
 pub struct FaucetRequest {

bin/faucet/src/main.rs

@@ -12,22 +12,22 @@ use std::path::PathBuf;
 
 use anyhow::Context;
 use axum::{
-    routing::{get, post},
     Router,
+    routing::{get, post},
 };
 use clap::{Parser, Subcommand};
 use client::initialize_faucet_client;
 use handlers::{get_background, get_favicon, get_index_css, get_index_html, get_index_js};
 use http::HeaderValue;
-use miden_lib::{account::faucets::create_basic_fungible_faucet, AuthScheme};
+use miden_lib::{AuthScheme, account::faucets::create_basic_fungible_faucet};
 use miden_node_utils::{
     config::load_config, crypto::get_rpo_random_coin, logging::OpenTelemetry, version::LongVersion,
 };
 use miden_objects::{
+    Felt,
     account::{AccountFile, AccountStorageMode, AuthSecretKey},
     asset::TokenSymbol,
     crypto::dsa::rpo_falcon512::SecretKey,
-    Felt,
 };
 use rand::{Rng, SeedableRng};
 use rand_chacha::ChaCha20Rng;
@@ -38,7 +38,7 @@ use tower_http::{cors::CorsLayer, set_header::SetResponseHeaderLayer, trace::Tra
 use tracing::info;
 
 use crate::{
-    config::{FaucetConfig, DEFAULT_FAUCET_ACCOUNT_PATH},
+    config::{DEFAULT_FAUCET_ACCOUNT_PATH, FaucetConfig},
     handlers::{get_metadata, get_tokens},
 };
 
@@ -170,7 +170,7 @@ async fn run_faucet_command(cli: Cli) -> anyhow::Result<()> {
             let secret = SecretKey::with_rng(&mut get_rpo_random_coin(&mut rng));
 
             let (account, account_seed) = create_basic_fungible_faucet(
-                rng.gen(),
+                rng.r#gen(),
                 (&root_block_header).try_into().context("failed to create anchor block")?,
                 TokenSymbol::try_from(token_symbol.as_str())
                     .context("failed to parse token symbol")?,
@@ -249,10 +249,10 @@ mod test {
     };
 
     use fantoccini::ClientBuilder;
-    use serde_json::{json, Map};
+    use serde_json::{Map, json};
     use url::Url;
 
-    use crate::{config::FaucetConfig, run_faucet_command, stub_rpc_api::serve_stub, Cli};
+    use crate::{Cli, config::FaucetConfig, run_faucet_command, stub_rpc_api::serve_stub};
 
     /// This test starts a stub node, a faucet connected to the stub node, and a chromedriver
     /// to test the faucet website. It then loads the website and checks that all the requests

bin/faucet/src/state.rs

@@ -5,7 +5,7 @@ use static_files::Resource;
 use tokio::sync::Mutex;
 use tracing::info;
 
-use crate::{client::FaucetClient, config::FaucetConfig, static_resources, COMPONENT};
+use crate::{COMPONENT, client::FaucetClient, config::FaucetConfig, static_resources};
 
 // FAUCET STATE
 // ================================================================================================

bin/faucet/src/store.rs

@@ -1,11 +1,11 @@
 use std::sync::Mutex;
 
 use miden_objects::{
+    Word,
     account::{Account, AccountId},
     block::{BlockHeader, BlockNumber},
     note::NoteId,
     transaction::{ChainMmr, InputNotes, TransactionInputs},
-    Word,
 };
 use miden_tx::{DataStore, DataStoreError};
 

bin/node/src/commands/genesis/mod.rs

@@ -3,16 +3,16 @@ use std::{
     path::{Path, PathBuf},
 };
 
-use anyhow::{anyhow, bail, Context, Result};
+use anyhow::{Context, Result, anyhow, bail};
 pub use inputs::{AccountInput, AuthSchemeInput, GenesisInput};
-use miden_lib::{account::faucets::create_basic_fungible_faucet, AuthScheme};
+use miden_lib::{AuthScheme, account::faucets::create_basic_fungible_faucet};
 use miden_node_store::genesis::GenesisState;
 use miden_node_utils::{config::load_config, crypto::get_rpo_random_coin};
 use miden_objects::{
+    Felt, ONE,
     account::{Account, AccountFile, AccountIdAnchor, AuthSecretKey},
     asset::TokenSymbol,
     crypto::{dsa::rpo_falcon512::SecretKey, utils::Serializable},
-    Felt, ONE,
 };
 use rand::{Rng, SeedableRng};
 use rand_chacha::ChaCha20Rng;
@@ -45,7 +45,10 @@ pub fn make_genesis(inputs_path: &PathBuf, output_path: &PathBuf, force: bool) -
     if !force {
         if let Ok(file_exists) = output_path.try_exists() {
             if file_exists {
-                return Err(anyhow!("Failed to generate new genesis file {} because it already exists. Use the --force flag to overwrite.", output_path.display()));
+                return Err(anyhow!(
+                    "Failed to generate new genesis file {} because it already exists. Use the --force flag to overwrite.",
+                    output_path.display()
+                ));
             }
         } else {
             return Err(anyhow!("Failed to open {} file.", output_path.display()));
@@ -118,7 +121,7 @@ fn create_accounts(
 
                 let storage_mode = inputs.storage_mode.as_str().try_into()?;
                 let (account, account_seed) = create_basic_fungible_faucet(
-                    rng.gen(),
+                    rng.r#gen(),
                     AccountIdAnchor::PRE_GENESIS,
                     TokenSymbol::try_from(inputs.token_symbol.as_str())?,
                     inputs.decimals,
@@ -142,7 +145,10 @@ fn create_accounts(
         let path = accounts_path.as_ref().join(format!("{name}.mac"));
 
         if !force && matches!(path.try_exists(), Ok(true)) {
-            bail!("Failed to generate account file {} because it already exists. Use the --force flag to overwrite.", path.display());
+            bail!(
+                "Failed to generate account file {} because it already exists. Use the --force flag to overwrite.",
+                path.display()
+            );
         }
 
         account_data.account.set_nonce(ONE)?;

bin/node/src/commands/init.rs

@@ -1,6 +1,6 @@
 use std::{fs::File, io::Write, path::Path};
 
-use anyhow::{anyhow, Result};
+use anyhow::{Result, anyhow};
 
 use crate::{commands::genesis::GenesisInput, config::NodeConfig};
 

bin/node/src/config.rs

@@ -79,8 +79,8 @@ mod tests {
 
     use super::NodeConfig;
     use crate::{
-        config::{NormalizedBlockProducerConfig, NormalizedRpcConfig},
         NODE_CONFIG_FILE_PATH,
+        config::{NormalizedBlockProducerConfig, NormalizedRpcConfig},
     };
 
     #[test]

bin/node/src/main.rs

@@ -4,7 +4,7 @@
 
 use std::path::PathBuf;
 
-use anyhow::{anyhow, Context};
+use anyhow::{Context, anyhow};
 use clap::{Parser, Subcommand};
 use commands::{init::init_config_files, start::start_node};
 use miden_node_block_producer::server::BlockProducer;

crates/block-producer/src/batch_builder/mod.rs

@@ -3,17 +3,17 @@ use std::{num::NonZeroUsize, ops::Range, time::Duration};
 use miden_node_proto::domain::batch::BatchInputs;
 use miden_node_utils::formatting::format_array;
 use miden_objects::{
-    batch::{BatchId, ProposedBatch, ProvenBatch},
     MIN_PROOF_SECURITY_LEVEL,
+    batch::{BatchId, ProposedBatch, ProvenBatch},
 };
 use miden_tx_batch_prover::LocalBatchProver;
 use rand::Rng;
 use tokio::{task::JoinSet, time};
-use tracing::{debug, info, instrument, Span};
+use tracing::{Span, debug, info, instrument};
 
 use crate::{
-    domain::transaction::AuthenticatedTransaction, errors::BuildBatchError, mempool::SharedMempool,
-    store::StoreClient, COMPONENT, SERVER_BUILD_BATCH_FREQUENCY,
+    COMPONENT, SERVER_BUILD_BATCH_FREQUENCY, domain::transaction::AuthenticatedTransaction,
+    errors::BuildBatchError, mempool::SharedMempool, store::StoreClient,
 };
 
 // BATCH BUILDER
@@ -212,7 +212,7 @@ impl WorkerPool {
                 // Randomly fail batches at the configured rate.
                 //
                 // Note: Rng::gen rolls between [0, 1.0) for f32, so this works as expected.
-                let failed = rand::thread_rng().gen::<f32>() < self.failure_rate;
+                let failed = rand::thread_rng().r#gen::<f32>() < self.failure_rate;
                 let store = self.store.clone();
 
                 async move {

crates/block-producer/src/block_builder/mod.rs

@@ -4,18 +4,18 @@ use futures::FutureExt;
 use miden_block_prover::LocalBlockProver;
 use miden_node_utils::tracing::OpenTelemetrySpanExt;
 use miden_objects::{
+    MIN_PROOF_SECURITY_LEVEL,
     batch::ProvenBatch,
     block::{BlockInputs, BlockNumber, ProposedBlock, ProvenBlock},
     note::NoteHeader,
-    MIN_PROOF_SECURITY_LEVEL,
 };
 use rand::Rng;
 use tokio::time::Duration;
-use tracing::{instrument, Span};
+use tracing::{Span, instrument};
 
 use crate::{
-    errors::BuildBlockError, mempool::SharedMempool, store::StoreClient, COMPONENT,
-    SERVER_BLOCK_FREQUENCY,
+    COMPONENT, SERVER_BLOCK_FREQUENCY, errors::BuildBlockError, mempool::SharedMempool,
+    store::StoreClient,
 };
 
 // BLOCK BUILDER
@@ -234,7 +234,7 @@ impl BlockBuilder {
 
     #[instrument(target = COMPONENT, name = "block_builder.inject_failure", skip_all, err)]
     fn inject_failure<T>(&self, value: T) -> Result<T, BuildBlockError> {
-        let roll = rand::thread_rng().gen::<f64>();
+        let roll = rand::thread_rng().r#gen::<f64>();
 
         Span::current().set_attribute("failure_rate", self.failure_rate);
         Span::current().set_attribute("dice_roll", roll);

crates/block-producer/src/domain/transaction.rs

@@ -1,11 +1,11 @@
 use std::{collections::BTreeSet, sync::Arc};
 
 use miden_objects::{
+    Digest,
     account::AccountId,
     block::BlockNumber,
     note::{NoteId, Nullifier},
     transaction::{ProvenTransaction, TransactionId, TxAccountUpdate},
-    Digest,
 };
 
 use crate::{errors::VerifyTxError, store::TransactionInputs};

crates/block-producer/src/errors.rs

@@ -2,10 +2,10 @@ use miden_block_prover::ProvenBlockError;
 use miden_node_proto::errors::ConversionError;
 use miden_node_utils::formatting::format_opt;
 use miden_objects::{
+    Digest, ProposedBatchError, ProposedBlockError,
     block::BlockNumber,
     note::{NoteId, Nullifier},
     transaction::TransactionId,
-    Digest, ProposedBatchError, ProposedBlockError,
 };
 use miden_tx_batch_prover::errors::ProvenBatchError;
 use thiserror::Error;
@@ -80,7 +80,9 @@ pub enum AddTransactionError {
     #[error("transaction verification failed")]
     VerificationFailed(#[from] VerifyTxError),
 
-    #[error("transaction input data from block {input_block} is rejected as stale because it is older than the limit of {stale_limit}")]
+    #[error(
+        "transaction input data from block {input_block} is rejected as stale because it is older than the limit of {stale_limit}"
+    )]
     StaleInputs {
         input_block: BlockNumber,
         stale_limit: BlockNumber,

crates/block-producer/src/mempool/batch_graph.rs

@@ -7,8 +7,8 @@ use miden_objects::{
 };
 
 use super::{
-    graph::{DependencyGraph, GraphError},
     BlockBudget, BudgetStatus,
+    graph::{DependencyGraph, GraphError},
 };
 
 // BATCH GRAPH