docs(core): improve struct level docs

ethers-core/src/utils/ganache.rs

@@ -1,9 +1,11 @@
 use std::process::{Child, Command};
 
 /// A ganache CLI instance. Will close the instance when dropped.
-pub struct Ganache(Child);
+///
+/// Construct this using [`Ganache`](./struct.Ganache.html)
+pub struct GanacheInstance(Child);
 
-impl Drop for Ganache {
+impl Drop for GanacheInstance {
     fn drop(&mut self) {
         self.0.kill().expect("could not kill ganache");
     }
@@ -17,13 +19,13 @@ impl Drop for Ganache {
 ///
 /// # Example
 ///
-/// ```rust,ignore
-/// use ethers_types::utils::ganache::GanacheBuilder;
+/// ```no_run
+/// use ethers_core::utils::Ganache;
 ///
 /// let port = 8545u64;
 /// let url = format!("http://localhost:{}", port).to_string();
 ///
-/// let ganache = GanacheBuilder::new()
+/// let ganache = Ganache::new()
 ///     .port(port)
 ///     .mnemonic("abstract vacuum mammal awkward pudding scene penalty purchase dinner depart evoke puzzle")
 ///     .spawn();
@@ -31,12 +33,12 @@ impl Drop for Ganache {
 /// drop(ganache); // this will kill the instance
 /// ```
 #[derive(Clone, Default)]
-pub struct GanacheBuilder {
+pub struct Ganache {
     port: Option<u64>,
     mnemonic: Option<String>,
 }
 
-impl GanacheBuilder {
+impl Ganache {
     /// Creates an empty Ganache builder.
     /// The default port is 8545. The mnemonic is chosen randomly.
     pub fn new() -> Self {
@@ -58,7 +60,7 @@ impl GanacheBuilder {
     /// Consumes the builder and spawns `ganache-cli` with stdout redirected
     /// to /dev/null. This takes ~2 seconds to execute as it blocks while
     /// waiting for `ganache-cli` to launch.
-    pub fn spawn(self) -> Ganache {
+    pub fn spawn(self) -> GanacheInstance {
         let mut cmd = Command::new("ganache-cli");
         cmd.stdout(std::process::Stdio::null());
         if let Some(port) = self.port {
@@ -75,6 +77,6 @@ impl GanacheBuilder {
         // TODO: Change this to poll for `port`
         let sleep_time = std::time::Duration::from_secs(2);
         std::thread::sleep(sleep_time);
-        Ganache(ganache_pid)
+        GanacheInstance(ganache_pid)
     }
 }

ethers-core/src/utils/hash.rs

@@ -44,7 +44,11 @@ pub fn id<S: AsRef<str>>(signature: S) -> [u8; 4] {
     output
 }
 
-/// Serialize a type. Panics if the type is returns error during serialization.
+/// Serialize a type.
+///
+/// # Panics
+///
+/// If the type returns an error during serialization.
 pub fn serialize<T: serde::Serialize>(t: &T) -> serde_json::Value {
     serde_json::to_value(t).expect("Types never fail to serialize.")
 }

ethers-core/src/utils/mod.rs

@@ -1,6 +1,6 @@
 /// Utilities for launching a ganache-cli testnet instance
 mod ganache;
-pub use ganache::{Ganache, GanacheBuilder};
+pub use ganache::Ganache;
 
 /// Solidity compiler bindings
 mod solc;

ethers-core/src/utils/solc.rs

@@ -1,17 +1,3 @@
-//! Solidity Compiler Bindings
-//!
-//! Assumes that `solc` is installed and available in the caller's $PATH. Any calls
-//! will fail otherwise.
-//!
-//! # Examples
-//!
-//! ```rust,ignore
-//! // Give it a glob
-//! let contracts = Solc::new("./contracts/*")
-//!     .optimizer(200)
-//!     .build();
-//! let contract = contracts.get("SimpleStorage").unwrap();
-//! ```
 use crate::{abi::Abi, types::Bytes};
 use glob::glob;
 use rustc_hex::FromHex;
@@ -43,7 +29,30 @@ pub struct CompiledContract {
     pub bytecode: Bytes,
 }
 
-/// Solc builder
+/// Solidity Compiler Bindings
+///
+/// Assumes that `solc` is installed and available in the caller's $PATH. Any calls
+/// will **panic** otherwise.
+///
+/// By default, it uses 200 optimizer runs and Istanbul as the EVM version
+///
+/// # Examples
+///
+/// ```no_run
+/// use ethers_core::utils::Solc;
+///
+/// # fn main() -> Result<(), Box<dyn std::error::Error>> {
+/// // Give it a glob
+/// let contracts = Solc::new("./contracts/*")
+///     .optimizer(200)
+///     .build()?;
+///
+/// // this will return None if the specified contract did not exist in the compiled
+/// // files
+/// let contract = contracts.get("SimpleStorage").expect("contract not found");
+/// # Ok(())
+/// # }
+/// ```
 pub struct Solc {
     /// The path where contracts will be read from
     pub paths: Vec<String>,
@@ -156,7 +165,7 @@ impl Solc {
     }
 
     /// Sets the optimizer runs (default = 200)
-    pub fn optimizer_runs(mut self, runs: usize) -> Self {
+    pub fn optimizer(mut self, runs: usize) -> Self {
         self.optimizer = runs;
         self
     }