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lib.rs
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//! # foundry-config
//!
//! Foundry configuration.
#![cfg_attr(not(test), warn(unused_crate_dependencies))]
#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
#[macro_use]
extern crate tracing;
use crate::cache::StorageCachingConfig;
use alloy_primitives::{address, Address, B256, U256};
use eyre::{ContextCompat, WrapErr};
use figment::{
providers::{Env, Format, Serialized, Toml},
value::{Dict, Map, Value},
Error, Figment, Metadata, Profile, Provider,
};
use filter::GlobMatcher;
use foundry_compilers::{
artifacts::{
output_selection::{ContractOutputSelection, OutputSelection},
remappings::{RelativeRemapping, Remapping},
serde_helpers, BytecodeHash, DebuggingSettings, EofVersion, EvmVersion, Libraries,
ModelCheckerSettings, ModelCheckerTarget, Optimizer, OptimizerDetails, RevertStrings,
Settings, SettingsMetadata, Severity,
},
cache::SOLIDITY_FILES_CACHE_FILENAME,
compilers::{
multi::{MultiCompiler, MultiCompilerSettings},
solc::{Solc, SolcCompiler},
vyper::{Vyper, VyperSettings},
Compiler,
},
error::SolcError,
multi::{MultiCompilerParsedSource, MultiCompilerRestrictions},
solc::{CliSettings, SolcSettings},
ArtifactOutput, ConfigurableArtifacts, Graph, Project, ProjectPathsConfig,
RestrictionsWithVersion, VyperLanguage,
};
use regex::Regex;
use revm_primitives::{map::AddressHashMap, FixedBytes, SpecId};
use semver::Version;
use serde::{Deserialize, Serialize, Serializer};
use std::{
borrow::Cow,
collections::BTreeMap,
fs,
path::{Path, PathBuf},
str::FromStr,
sync::mpsc::{self, RecvTimeoutError},
time::Duration,
};
mod macros;
pub mod utils;
pub use utils::*;
mod endpoints;
pub use endpoints::{
ResolvedRpcEndpoint, ResolvedRpcEndpoints, RpcEndpoint, RpcEndpointUrl, RpcEndpoints,
};
mod etherscan;
use etherscan::{
EtherscanConfigError, EtherscanConfigs, EtherscanEnvProvider, ResolvedEtherscanConfig,
};
mod resolve;
pub use resolve::UnresolvedEnvVarError;
pub mod cache;
use cache::{Cache, ChainCache};
pub mod fmt;
pub use fmt::FormatterConfig;
pub mod fs_permissions;
pub use fs_permissions::FsPermissions;
use fs_permissions::PathPermission;
pub mod error;
use error::ExtractConfigError;
pub use error::SolidityErrorCode;
pub mod doc;
pub use doc::DocConfig;
pub mod filter;
pub use filter::SkipBuildFilters;
mod warning;
pub use warning::*;
pub mod fix;
// reexport so cli types can implement `figment::Provider` to easily merge compiler arguments
pub use alloy_chains::{Chain, NamedChain};
pub use figment;
pub mod providers;
pub use providers::Remappings;
use providers::*;
mod fuzz;
pub use fuzz::{FuzzConfig, FuzzDictionaryConfig};
mod invariant;
pub use invariant::InvariantConfig;
mod inline;
pub use inline::{InlineConfig, InlineConfigError, NatSpec};
pub mod soldeer;
use soldeer::{SoldeerConfig, SoldeerDependencyConfig};
mod vyper;
use vyper::VyperConfig;
mod bind_json;
use bind_json::BindJsonConfig;
mod compilation;
use compilation::{CompilationRestrictions, SettingsOverrides};
/// Foundry configuration
///
/// # Defaults
///
/// All configuration values have a default, documented in the [fields](#fields)
/// section below. [`Config::default()`] returns the default values for
/// the default profile while [`Config::with_root()`] returns the values based on the given
/// directory. [`Config::load()`] starts with the default profile and merges various providers into
/// the config, same for [`Config::load_with_root()`], but there the default values are determined
/// by [`Config::with_root()`]
///
/// # Provider Details
///
/// `Config` is a Figment [`Provider`] with the following characteristics:
///
/// * **Profile**
///
/// The profile is set to the value of the `profile` field.
///
/// * **Metadata**
///
/// This provider is named `Foundry Config`. It does not specify a
/// [`Source`](figment::Source) and uses default interpolation.
///
/// * **Data**
///
/// The data emitted by this provider are the keys and values corresponding
/// to the fields and values of the structure. The dictionary is emitted to
/// the "default" meta-profile.
///
/// Note that these behaviors differ from those of [`Config::figment()`].
#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct Config {
/// The selected profile. **(default: _default_ `default`)**
///
/// **Note:** This field is never serialized nor deserialized. When a
/// `Config` is merged into a `Figment` as a `Provider`, this profile is
/// selected on the `Figment`. When a `Config` is extracted, this field is
/// set to the extracting Figment's selected `Profile`.
#[serde(skip)]
pub profile: Profile,
/// The list of all profiles defined in the config.
///
/// See `profile`.
#[serde(skip)]
pub profiles: Vec<Profile>,
/// The root path where the config detection started from, [`Config::with_root`].
// We're skipping serialization here, so it won't be included in the [`Config::to_string()`]
// representation, but will be deserialized from the `Figment` so that forge commands can
// override it.
#[serde(default = "root_default", skip_serializing)]
pub root: PathBuf,
/// path of the source contracts dir, like `src` or `contracts`
pub src: PathBuf,
/// path of the test dir
pub test: PathBuf,
/// path of the script dir
pub script: PathBuf,
/// path to where artifacts shut be written to
pub out: PathBuf,
/// all library folders to include, `lib`, `node_modules`
pub libs: Vec<PathBuf>,
/// `Remappings` to use for this repo
pub remappings: Vec<RelativeRemapping>,
/// Whether to autodetect remappings by scanning the `libs` folders recursively
pub auto_detect_remappings: bool,
/// library addresses to link
pub libraries: Vec<String>,
/// whether to enable cache
pub cache: bool,
/// where the cache is stored if enabled
pub cache_path: PathBuf,
/// where the gas snapshots are stored
pub snapshots: PathBuf,
/// where the broadcast logs are stored
pub broadcast: PathBuf,
/// additional solc allow paths for `--allow-paths`
pub allow_paths: Vec<PathBuf>,
/// additional solc include paths for `--include-path`
pub include_paths: Vec<PathBuf>,
/// glob patterns to skip
pub skip: Vec<GlobMatcher>,
/// whether to force a `project.clean()`
pub force: bool,
/// evm version to use
#[serde(with = "from_str_lowercase")]
pub evm_version: EvmVersion,
/// list of contracts to report gas of
pub gas_reports: Vec<String>,
/// list of contracts to ignore for gas reports
pub gas_reports_ignore: Vec<String>,
/// Whether to include gas reports for tests.
pub gas_reports_include_tests: bool,
/// The Solc instance to use if any.
///
/// This takes precedence over `auto_detect_solc`, if a version is set then this overrides
/// auto-detection.
///
/// **Note** for backwards compatibility reasons this also accepts solc_version from the toml
/// file, see `BackwardsCompatTomlProvider`.
pub solc: Option<SolcReq>,
/// whether to autodetect the solc compiler version to use
pub auto_detect_solc: bool,
/// Offline mode, if set, network access (downloading solc) is disallowed.
///
/// Relationship with `auto_detect_solc`:
/// - if `auto_detect_solc = true` and `offline = true`, the required solc version(s) will
/// be auto detected but if the solc version is not installed, it will _not_ try to
/// install it
pub offline: bool,
/// Whether to activate optimizer
pub optimizer: bool,
/// The number of runs specifies roughly how often each opcode of the deployed code will be
/// executed across the life-time of the contract. This means it is a trade-off parameter
/// between code size (deploy cost) and code execution cost (cost after deployment).
/// An `optimizer_runs` parameter of `1` will produce short but expensive code. In contrast, a
/// larger `optimizer_runs` parameter will produce longer but more gas efficient code. The
/// maximum value of the parameter is `2**32-1`.
///
/// A common misconception is that this parameter specifies the number of iterations of the
/// optimizer. This is not true: The optimizer will always run as many times as it can
/// still improve the code.
pub optimizer_runs: usize,
/// Switch optimizer components on or off in detail.
/// The "enabled" switch above provides two defaults which can be
/// tweaked here. If "details" is given, "enabled" can be omitted.
pub optimizer_details: Option<OptimizerDetails>,
/// Model checker settings.
pub model_checker: Option<ModelCheckerSettings>,
/// verbosity to use
pub verbosity: u8,
/// url of the rpc server that should be used for any rpc calls
pub eth_rpc_url: Option<String>,
/// JWT secret that should be used for any rpc calls
pub eth_rpc_jwt: Option<String>,
/// Timeout that should be used for any rpc calls
pub eth_rpc_timeout: Option<u64>,
/// Headers that should be used for any rpc calls
///
/// # Example
///
/// rpc_headers = ["x-custom-header:value", "x-another-header:another-value"]
///
/// You can also the ETH_RPC_HEADERS env variable like so:
/// `ETH_RPC_HEADERS="x-custom-header:value x-another-header:another-value"`
pub eth_rpc_headers: Option<Vec<String>>,
/// etherscan API key, or alias for an `EtherscanConfig` in `etherscan` table
pub etherscan_api_key: Option<String>,
/// Multiple etherscan api configs and their aliases
#[serde(default, skip_serializing_if = "EtherscanConfigs::is_empty")]
pub etherscan: EtherscanConfigs,
/// list of solidity error codes to always silence in the compiler output
pub ignored_error_codes: Vec<SolidityErrorCode>,
/// list of file paths to ignore
#[serde(rename = "ignored_warnings_from")]
pub ignored_file_paths: Vec<PathBuf>,
/// When true, compiler warnings are treated as errors
pub deny_warnings: bool,
/// Only run test functions matching the specified regex pattern.
#[serde(rename = "match_test")]
pub test_pattern: Option<RegexWrapper>,
/// Only run test functions that do not match the specified regex pattern.
#[serde(rename = "no_match_test")]
pub test_pattern_inverse: Option<RegexWrapper>,
/// Only run tests in contracts matching the specified regex pattern.
#[serde(rename = "match_contract")]
pub contract_pattern: Option<RegexWrapper>,
/// Only run tests in contracts that do not match the specified regex pattern.
#[serde(rename = "no_match_contract")]
pub contract_pattern_inverse: Option<RegexWrapper>,
/// Only run tests in source files matching the specified glob pattern.
#[serde(rename = "match_path", with = "from_opt_glob")]
pub path_pattern: Option<globset::Glob>,
/// Only run tests in source files that do not match the specified glob pattern.
#[serde(rename = "no_match_path", with = "from_opt_glob")]
pub path_pattern_inverse: Option<globset::Glob>,
/// Only show coverage for files that do not match the specified regex pattern.
#[serde(rename = "no_match_coverage")]
pub coverage_pattern_inverse: Option<RegexWrapper>,
/// Path where last test run failures are recorded.
pub test_failures_file: PathBuf,
/// Max concurrent threads to use.
pub threads: Option<usize>,
/// Whether to show test execution progress.
pub show_progress: bool,
/// Configuration for fuzz testing
pub fuzz: FuzzConfig,
/// Configuration for invariant testing
pub invariant: InvariantConfig,
/// Whether to allow ffi cheatcodes in test
pub ffi: bool,
/// Use the create 2 factory in all cases including tests and non-broadcasting scripts.
pub always_use_create_2_factory: bool,
/// Sets a timeout in seconds for vm.prompt cheatcodes
pub prompt_timeout: u64,
/// The address which will be executing all tests
pub sender: Address,
/// The tx.origin value during EVM execution
pub tx_origin: Address,
/// the initial balance of each deployed test contract
pub initial_balance: U256,
/// the block.number value during EVM execution
pub block_number: u64,
/// pins the block number for the state fork
pub fork_block_number: Option<u64>,
/// The chain name or EIP-155 chain ID.
#[serde(rename = "chain_id", alias = "chain")]
pub chain: Option<Chain>,
/// Block gas limit.
pub gas_limit: GasLimit,
/// EIP-170: Contract code size limit in bytes. Useful to increase this because of tests.
pub code_size_limit: Option<usize>,
/// `tx.gasprice` value during EVM execution.
///
/// This is an Option, so we can determine in fork mode whether to use the config's gas price
/// (if set by user) or the remote client's gas price.
pub gas_price: Option<u64>,
/// The base fee in a block.
pub block_base_fee_per_gas: u64,
/// The `block.coinbase` value during EVM execution.
pub block_coinbase: Address,
/// The `block.timestamp` value during EVM execution.
pub block_timestamp: u64,
/// The `block.difficulty` value during EVM execution.
pub block_difficulty: u64,
/// Before merge the `block.max_hash`, after merge it is `block.prevrandao`.
pub block_prevrandao: B256,
/// The `block.gaslimit` value during EVM execution.
pub block_gas_limit: Option<GasLimit>,
/// The memory limit per EVM execution in bytes.
/// If this limit is exceeded, a `MemoryLimitOOG` result is thrown.
///
/// The default is 128MiB.
pub memory_limit: u64,
/// Additional output selection for all contracts, such as "ir", "devdoc", "storageLayout",
/// etc.
///
/// See the [Solc Compiler Api](https://docs.soliditylang.org/en/latest/using-the-compiler.html#compiler-api) for more information.
///
/// The following values are always set because they're required by `forge`:
/// ```json
/// {
/// "*": [
/// "abi",
/// "evm.bytecode",
/// "evm.deployedBytecode",
/// "evm.methodIdentifiers"
/// ]
/// }
/// ```
#[serde(default)]
pub extra_output: Vec<ContractOutputSelection>,
/// If set, a separate JSON file will be emitted for every contract depending on the
/// selection, eg. `extra_output_files = ["metadata"]` will create a `metadata.json` for
/// each contract in the project.
///
/// See [Contract Metadata](https://docs.soliditylang.org/en/latest/metadata.html) for more information.
///
/// The difference between `extra_output = ["metadata"]` and
/// `extra_output_files = ["metadata"]` is that the former will include the
/// contract's metadata in the contract's json artifact, whereas the latter will emit the
/// output selection as separate files.
#[serde(default)]
pub extra_output_files: Vec<ContractOutputSelection>,
/// Whether to print the names of the compiled contracts.
pub names: bool,
/// Whether to print the sizes of the compiled contracts.
pub sizes: bool,
/// If set to true, changes compilation pipeline to go through the Yul intermediate
/// representation.
pub via_ir: bool,
/// Whether to include the AST as JSON in the compiler output.
pub ast: bool,
/// RPC storage caching settings determines what chains and endpoints to cache
pub rpc_storage_caching: StorageCachingConfig,
/// Disables storage caching entirely. This overrides any settings made in
/// `rpc_storage_caching`
pub no_storage_caching: bool,
/// Disables rate limiting entirely. This overrides any settings made in
/// `compute_units_per_second`
pub no_rpc_rate_limit: bool,
/// Multiple rpc endpoints and their aliases
#[serde(default, skip_serializing_if = "RpcEndpoints::is_empty")]
pub rpc_endpoints: RpcEndpoints,
/// Whether to store the referenced sources in the metadata as literal data.
pub use_literal_content: bool,
/// Whether to include the metadata hash.
///
/// The metadata hash is machine dependent. By default, this is set to [BytecodeHash::None] to allow for deterministic code, See: <https://docs.soliditylang.org/en/latest/metadata.html>
#[serde(with = "from_str_lowercase")]
pub bytecode_hash: BytecodeHash,
/// Whether to append the metadata hash to the bytecode.
///
/// If this is `false` and the `bytecode_hash` option above is not `None` solc will issue a
/// warning.
pub cbor_metadata: bool,
/// How to treat revert (and require) reason strings.
#[serde(with = "serde_helpers::display_from_str_opt")]
pub revert_strings: Option<RevertStrings>,
/// Whether to compile in sparse mode
///
/// If this option is enabled, only the required contracts/files will be selected to be
/// included in solc's output selection, see also [`OutputSelection`].
pub sparse_mode: bool,
/// Generates additional build info json files for every new build, containing the
/// `CompilerInput` and `CompilerOutput`.
pub build_info: bool,
/// The path to the `build-info` directory that contains the build info json files.
pub build_info_path: Option<PathBuf>,
/// Configuration for `forge fmt`
pub fmt: FormatterConfig,
/// Configuration for `forge doc`
pub doc: DocConfig,
/// Configuration for `forge bind-json`
pub bind_json: BindJsonConfig,
/// Configures the permissions of cheat codes that touch the file system.
///
/// This includes what operations can be executed (read, write)
pub fs_permissions: FsPermissions,
/// Whether to enable call isolation.
///
/// Useful for more correct gas accounting and EVM behavior in general.
pub isolate: bool,
/// Whether to disable the block gas limit.
pub disable_block_gas_limit: bool,
/// Address labels
pub labels: AddressHashMap<String>,
/// Whether to enable safety checks for `vm.getCode` and `vm.getDeployedCode` invocations.
/// If disabled, it is possible to access artifacts which were not recompiled or cached.
pub unchecked_cheatcode_artifacts: bool,
/// CREATE2 salt to use for the library deployment in scripts.
pub create2_library_salt: B256,
/// The CREATE2 deployer address to use.
pub create2_deployer: Address,
/// Configuration for Vyper compiler
pub vyper: VyperConfig,
/// Soldeer dependencies
pub dependencies: Option<SoldeerDependencyConfig>,
/// Soldeer custom configs
pub soldeer: Option<SoldeerConfig>,
/// Whether failed assertions should revert.
///
/// Note that this only applies to native (cheatcode) assertions, invoked on Vm contract.
pub assertions_revert: bool,
/// Whether `failed()` should be invoked to check if the test have failed.
pub legacy_assertions: bool,
/// Optional additional CLI arguments to pass to `solc` binary.
#[serde(default, skip_serializing_if = "Vec::is_empty")]
pub extra_args: Vec<String>,
/// Optional EOF version.
#[serde(default, skip_serializing_if = "Option::is_none")]
pub eof_version: Option<EofVersion>,
/// Whether to enable Odyssey features.
#[serde(alias = "alphanet")]
pub odyssey: bool,
/// Timeout for transactions in seconds.
pub transaction_timeout: u64,
/// Use EOF-enabled solc for compilation.
pub eof: bool,
/// Warnings gathered when loading the Config. See [`WarningsProvider`] for more information.
#[serde(rename = "__warnings", default, skip_serializing)]
pub warnings: Vec<Warning>,
/// Additional settings profiles to use when compiling.
#[serde(default)]
pub additional_compiler_profiles: Vec<SettingsOverrides>,
/// Restrictions on compilation of certain files.
#[serde(default)]
pub compilation_restrictions: Vec<CompilationRestrictions>,
/// PRIVATE: This structure may grow, As such, constructing this structure should
/// _always_ be done using a public constructor or update syntax:
///
/// ```ignore
/// use foundry_config::Config;
///
/// let config = Config { src: "other".into(), ..Default::default() };
/// ```
#[doc(hidden)]
#[serde(skip)]
pub _non_exhaustive: (),
}
/// Mapping of fallback standalone sections. See [`FallbackProfileProvider`].
pub const STANDALONE_FALLBACK_SECTIONS: &[(&str, &str)] = &[("invariant", "fuzz")];
/// Deprecated keys and their replacements.
///
/// See [Warning::DeprecatedKey]
pub const DEPRECATIONS: &[(&str, &str)] = &[("cancun", "evm_version = Cancun")];
impl Config {
/// The default profile: "default"
pub const DEFAULT_PROFILE: Profile = Profile::Default;
/// The hardhat profile: "hardhat"
pub const HARDHAT_PROFILE: Profile = Profile::const_new("hardhat");
/// TOML section for profiles
pub const PROFILE_SECTION: &'static str = "profile";
/// Standalone sections in the config which get integrated into the selected profile
pub const STANDALONE_SECTIONS: &'static [&'static str] = &[
"rpc_endpoints",
"etherscan",
"fmt",
"doc",
"fuzz",
"invariant",
"labels",
"dependencies",
"soldeer",
"vyper",
"bind_json",
];
/// File name of config toml file
pub const FILE_NAME: &'static str = "foundry.toml";
/// The name of the directory foundry reserves for itself under the user's home directory: `~`
pub const FOUNDRY_DIR_NAME: &'static str = ".foundry";
/// Default address for tx.origin
///
/// `0x1804c8AB1F12E6bbf3894d4083f33e07309d1f38`
pub const DEFAULT_SENDER: Address = address!("1804c8AB1F12E6bbf3894d4083f33e07309d1f38");
/// Default salt for create2 library deployments
pub const DEFAULT_CREATE2_LIBRARY_SALT: FixedBytes<32> = FixedBytes::<32>::ZERO;
/// Default create2 deployer
pub const DEFAULT_CREATE2_DEPLOYER: Address =
address!("4e59b44847b379578588920ca78fbf26c0b4956c");
/// Docker image with eof-enabled solc binary
pub const EOF_SOLC_IMAGE: &'static str = "ghcr.io/paradigmxyz/forge-eof@sha256:46f868ce5264e1190881a3a335d41d7f42d6f26ed20b0c823609c715e38d603f";
/// Returns the current `Config`
///
/// See [`figment`](Self::figment) for more details.
#[track_caller]
pub fn load() -> Self {
Self::from_provider(Self::figment())
}
/// Returns the current `Config` with the given `providers` preset
///
/// See [`figment`](Self::figment) for more details.
#[track_caller]
pub fn load_with_providers(providers: FigmentProviders) -> Self {
Self::from_provider(Self::default().to_figment(providers))
}
/// Returns the current `Config`
///
/// See [`figment_with_root`](Self::figment_with_root) for more details.
#[track_caller]
pub fn load_with_root(root: impl AsRef<Path>) -> Self {
Self::from_provider(Self::figment_with_root(root.as_ref()))
}
/// Extract a `Config` from `provider`, panicking if extraction fails.
///
/// # Panics
///
/// If extraction fails, prints an error message indicating the failure and
/// panics. For a version that doesn't panic, use [`Config::try_from()`].
///
/// # Example
///
/// ```no_run
/// use figment::providers::{Env, Format, Toml};
/// use foundry_config::Config;
///
/// // Use foundry's default `Figment`, but allow values from `other.toml`
/// // to supersede its values.
/// let figment = Config::figment().merge(Toml::file("other.toml").nested());
///
/// let config = Config::from_provider(figment);
/// ```
#[track_caller]
pub fn from_provider<T: Provider>(provider: T) -> Self {
trace!("load config with provider: {:?}", provider.metadata());
Self::try_from(provider).unwrap_or_else(|err| panic!("{}", err))
}
/// Attempts to extract a `Config` from `provider`, returning the result.
///
/// # Example
///
/// ```rust
/// use figment::providers::{Env, Format, Toml};
/// use foundry_config::Config;
///
/// // Use foundry's default `Figment`, but allow values from `other.toml`
/// // to supersede its values.
/// let figment = Config::figment().merge(Toml::file("other.toml").nested());
///
/// let config = Config::try_from(figment);
/// ```
pub fn try_from<T: Provider>(provider: T) -> Result<Self, ExtractConfigError> {
Self::try_from_figment(Figment::from(provider))
}
fn try_from_figment(figment: Figment) -> Result<Self, ExtractConfigError> {
let mut config = figment.extract::<Self>().map_err(ExtractConfigError::new)?;
config.profile = figment.profile().clone();
// The `"profile"` profile contains all the profiles as keys.
let mut add_profile = |profile: &Profile| {
if !config.profiles.contains(profile) {
config.profiles.push(profile.clone());
}
};
let figment = figment.select(Self::PROFILE_SECTION);
if let Ok(data) = figment.data() {
if let Some(profiles) = data.get(&Profile::new(Self::PROFILE_SECTION)) {
for profile in profiles.keys() {
add_profile(&Profile::new(profile));
}
}
}
add_profile(&Self::DEFAULT_PROFILE);
add_profile(&config.profile);
Ok(config)
}
/// Returns the populated [Figment] using the requested [FigmentProviders] preset.
///
/// This will merge various providers, such as env,toml,remappings into the figment if
/// requested.
pub fn to_figment(&self, providers: FigmentProviders) -> Figment {
// Note that `Figment::from` here is a method on `Figment` rather than the `From` impl below
if providers.is_none() {
return Figment::from(self);
}
let root = self.root.as_path();
let profile = Self::selected_profile();
let mut figment = Figment::default().merge(DappHardhatDirProvider(root));
// merge global foundry.toml file
if let Some(global_toml) = Self::foundry_dir_toml().filter(|p| p.exists()) {
figment = Self::merge_toml_provider(
figment,
TomlFileProvider::new(None, global_toml).cached(),
profile.clone(),
);
}
// merge local foundry.toml file
figment = Self::merge_toml_provider(
figment,
TomlFileProvider::new(Some("FOUNDRY_CONFIG"), root.join(Self::FILE_NAME)).cached(),
profile.clone(),
);
// merge environment variables
figment = figment
.merge(
Env::prefixed("DAPP_")
.ignore(&["REMAPPINGS", "LIBRARIES", "FFI", "FS_PERMISSIONS"])
.global(),
)
.merge(
Env::prefixed("DAPP_TEST_")
.ignore(&["CACHE", "FUZZ_RUNS", "DEPTH", "FFI", "FS_PERMISSIONS"])
.global(),
)
.merge(DappEnvCompatProvider)
.merge(EtherscanEnvProvider::default())
.merge(
Env::prefixed("FOUNDRY_")
.ignore(&["PROFILE", "REMAPPINGS", "LIBRARIES", "FFI", "FS_PERMISSIONS"])
.map(|key| {
let key = key.as_str();
if Self::STANDALONE_SECTIONS.iter().any(|section| {
key.starts_with(&format!("{}_", section.to_ascii_uppercase()))
}) {
key.replacen('_', ".", 1).into()
} else {
key.into()
}
})
.global(),
)
.select(profile.clone());
// only resolve remappings if all providers are requested
if providers.is_all() {
// we try to merge remappings after we've merged all other providers, this prevents
// redundant fs lookups to determine the default remappings that are eventually updated
// by other providers, like the toml file
let remappings = RemappingsProvider {
auto_detect_remappings: figment
.extract_inner::<bool>("auto_detect_remappings")
.unwrap_or(true),
lib_paths: figment
.extract_inner::<Vec<PathBuf>>("libs")
.map(Cow::Owned)
.unwrap_or_else(|_| Cow::Borrowed(&self.libs)),
root,
remappings: figment.extract_inner::<Vec<Remapping>>("remappings"),
};
figment = figment.merge(remappings);
}
// normalize defaults
figment = self.normalize_defaults(figment);
Figment::from(self).merge(figment).select(profile)
}
/// The config supports relative paths and tracks the root path separately see
/// `Config::with_root`
///
/// This joins all relative paths with the current root and attempts to make them canonic
#[must_use]
pub fn canonic(self) -> Self {
let root = self.root.clone();
self.canonic_at(root)
}
/// Joins all relative paths with the given root so that paths that are defined as:
///
/// ```toml
/// [profile.default]
/// src = "src"
/// out = "./out"
/// libs = ["lib", "/var/lib"]
/// ```
///
/// Will be made canonic with the given root:
///
/// ```toml
/// [profile.default]
/// src = "<root>/src"
/// out = "<root>/out"
/// libs = ["<root>/lib", "/var/lib"]
/// ```
#[must_use]
pub fn canonic_at(mut self, root: impl Into<PathBuf>) -> Self {
let root = canonic(root);
fn p(root: &Path, rem: &Path) -> PathBuf {
canonic(root.join(rem))
}
self.src = p(&root, &self.src);
self.test = p(&root, &self.test);
self.script = p(&root, &self.script);
self.out = p(&root, &self.out);
self.broadcast = p(&root, &self.broadcast);
self.cache_path = p(&root, &self.cache_path);
self.snapshots = p(&root, &self.snapshots);
if let Some(build_info_path) = self.build_info_path {
self.build_info_path = Some(p(&root, &build_info_path));
}
self.libs = self.libs.into_iter().map(|lib| p(&root, &lib)).collect();
self.remappings =
self.remappings.into_iter().map(|r| RelativeRemapping::new(r.into(), &root)).collect();
self.allow_paths = self.allow_paths.into_iter().map(|allow| p(&root, &allow)).collect();
self.include_paths = self.include_paths.into_iter().map(|allow| p(&root, &allow)).collect();
self.fs_permissions.join_all(&root);
if let Some(ref mut model_checker) = self.model_checker {
model_checker.contracts = std::mem::take(&mut model_checker.contracts)
.into_iter()
.map(|(path, contracts)| {
(format!("{}", p(&root, path.as_ref()).display()), contracts)
})
.collect();
}
self
}
/// Normalizes the evm version if a [SolcReq] is set
pub fn normalized_evm_version(mut self) -> Self {
self.normalize_evm_version();
self
}
/// Normalizes the evm version if a [SolcReq] is set to a valid version.
pub fn normalize_evm_version(&mut self) {
self.evm_version = self.get_normalized_evm_version();
}
/// Returns the normalized [EvmVersion] if a [SolcReq] is set to a valid version or if the solc
/// path is a valid solc binary.
///
/// Otherwise it returns the configured [EvmVersion].
pub fn get_normalized_evm_version(&self) -> EvmVersion {
if let Some(version) = self.solc.as_ref().and_then(|solc| solc.try_version().ok()) {
if let Some(evm_version) = self.evm_version.normalize_version_solc(&version) {
return evm_version;
}
}
self.evm_version
}
/// Returns a sanitized version of the Config where are paths are set correctly and potential
/// duplicates are resolved
///
/// See [`Self::canonic`]
#[must_use]
pub fn sanitized(self) -> Self {
let mut config = self.canonic();
config.sanitize_remappings();
config.libs.sort_unstable();
config.libs.dedup();
config.sanitize_eof_settings();
config
}
/// Cleans up any duplicate `Remapping` and sorts them
///
/// On windows this will convert any `\` in the remapping path into a `/`
pub fn sanitize_remappings(&mut self) {
#[cfg(target_os = "windows")]
{
// force `/` in remappings on windows
use path_slash::PathBufExt;
self.remappings.iter_mut().for_each(|r| {
r.path.path = r.path.path.to_slash_lossy().into_owned().into();
});
}
}
/// Adjusts settings if EOF compilation is enabled.
///
/// This includes enabling via_ir, eof_version and ensuring that evm_version is not lower than
/// Prague.
pub fn sanitize_eof_settings(&mut self) {
if self.eof {
self.via_ir = true;
if self.eof_version.is_none() {
self.eof_version = Some(EofVersion::V1);
}
if self.evm_version < EvmVersion::Prague {
self.evm_version = EvmVersion::Prague;
}
}
}
/// Returns the directory in which dependencies should be installed
///
/// Returns the first dir from `libs` that is not `node_modules` or `lib` if `libs` is empty
pub fn install_lib_dir(&self) -> &Path {
self.libs
.iter()
.find(|p| !p.ends_with("node_modules"))
.map(|p| p.as_path())
.unwrap_or_else(|| Path::new("lib"))
}
/// Serves as the entrypoint for obtaining the project.
///
/// Returns the `Project` configured with all `solc` and path related values.
///
/// *Note*: this also _cleans_ [`Project::cleanup`] the workspace if `force` is set to true.
///
/// # Example
///
/// ```
/// use foundry_config::Config;
/// let config = Config::load_with_root(".").sanitized();
/// let project = config.project();
/// ```
pub fn project(&self) -> Result<Project<MultiCompiler>, SolcError> {
self.create_project(self.cache, false)
}
/// Same as [`Self::project()`] but sets configures the project to not emit artifacts and ignore
/// cache.
pub fn ephemeral_no_artifacts_project(&self) -> Result<Project<MultiCompiler>, SolcError> {
self.create_project(false, true)
}
/// Builds mapping with additional settings profiles.
fn additional_settings(
&self,
base: &MultiCompilerSettings,
) -> BTreeMap<String, MultiCompilerSettings> {
let mut map = BTreeMap::new();
for profile in &self.additional_compiler_profiles {
let mut settings = base.clone();
profile.apply(&mut settings);
map.insert(profile.name.clone(), settings);
}
map
}
/// Resolves globs and builds a mapping from individual source files to their restrictions
#[expect(clippy::disallowed_macros)]
fn restrictions(
&self,
paths: &ProjectPathsConfig,
) -> Result<BTreeMap<PathBuf, RestrictionsWithVersion<MultiCompilerRestrictions>>, SolcError>
{
let mut map = BTreeMap::new();
if self.compilation_restrictions.is_empty() {
return Ok(BTreeMap::new());
}
let graph = Graph::<MultiCompilerParsedSource>::resolve(paths)?;
let (sources, _) = graph.into_sources();
for res in &self.compilation_restrictions {
for source in sources.keys().filter(|path| {
if res.paths.is_match(path) {
true
} else if let Ok(path) = path.strip_prefix(&paths.root) {
res.paths.is_match(path)
} else {
false
}
}) {
let res: RestrictionsWithVersion<_> =
res.clone().try_into().map_err(SolcError::msg)?;
if !map.contains_key(source) {
map.insert(source.clone(), res);
} else {
let value = map.remove(source.as_path()).unwrap();
if let Some(merged) = value.clone().merge(res) {
map.insert(source.clone(), merged);
} else {
// `sh_warn!` is a circular dependency, preventing us from using it here.
eprintln!(
"{}",
yansi::Paint::yellow(&format!(
"Failed to merge compilation restrictions for {}",
source.display()
))
);
map.insert(source.clone(), value);
}
}
}
}