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#![deny(missing_docs, unsafe_code)]
#[cfg(test)]
#[allow(missing_docs)]
#[macro_use]
#[path = "test/macros.rs"]
mod test_macros;
pub mod source;
mod generate;
mod rustfmt;
mod util;
pub use crate::source::Source;
pub use crate::util::parse_address;
pub use ethcontract_common::artifact::{Artifact, ContractMut, InsertResult};
pub mod loaders {
pub use ethcontract_common::artifact::hardhat::{
Format as HardHatFormat, HardHatLoader, NetworkEntry,
};
pub use ethcontract_common::artifact::truffle::TruffleLoader;
}
use anyhow::Result;
use ethcontract_common::contract::Network;
use ethcontract_common::Contract;
use proc_macro2::TokenStream;
use std::collections::HashMap;
use std::fs::File;
use std::io::{BufWriter, Write};
use std::path::Path;
pub struct ContractBuilder {
pub runtime_crate_name: String,
pub visibility_modifier: Option<String>,
pub contract_mod_override: Option<String>,
pub contract_name_override: Option<String>,
pub networks: HashMap<String, Network>,
pub method_aliases: HashMap<String, String>,
pub event_derives: Vec<String>,
pub rustfmt: bool,
}
impl ContractBuilder {
pub fn new() -> Self {
ContractBuilder {
runtime_crate_name: "ethcontract".to_string(),
visibility_modifier: None,
contract_mod_override: None,
contract_name_override: None,
networks: Default::default(),
method_aliases: Default::default(),
event_derives: vec![],
rustfmt: true,
}
}
pub fn runtime_crate_name(mut self, name: impl Into<String>) -> Self {
self.runtime_crate_name = name.into();
self
}
pub fn visibility_modifier(mut self, vis: impl Into<String>) -> Self {
self.visibility_modifier = Some(vis.into());
self
}
pub fn contract_mod_override(mut self, name: impl Into<String>) -> Self {
self.contract_mod_override = Some(name.into());
self
}
pub fn contract_name_override(mut self, name: impl Into<String>) -> Self {
self.contract_name_override = Some(name.into());
self
}
pub fn add_network(mut self, chain_id: impl Into<String>, network: Network) -> Self {
self.networks.insert(chain_id.into(), network);
self
}
pub fn add_network_str(self, chain_id: impl Into<String>, address: &str) -> Self {
self.add_network(
chain_id,
Network {
address: parse_address(address).expect("failed to parse address"),
deployment_information: None,
},
)
}
pub fn add_method_alias(
mut self,
signature: impl Into<String>,
alias: impl Into<String>,
) -> Self {
self.method_aliases.insert(signature.into(), alias.into());
self
}
pub fn rustfmt(mut self, rustfmt: bool) -> Self {
self.rustfmt = rustfmt;
self
}
pub fn add_event_derive(mut self, derive: impl Into<String>) -> Self {
self.event_derives.push(derive.into());
self
}
pub fn generate(self, contract: &Contract) -> Result<ContractBindings> {
let rustfmt = self.rustfmt;
Ok(ContractBindings {
tokens: generate::expand(contract, self)?,
rustfmt,
})
}
}
impl Default for ContractBuilder {
fn default() -> Self {
ContractBuilder::new()
}
}
pub struct ContractBindings {
pub tokens: TokenStream,
pub rustfmt: bool,
}
impl ContractBindings {
pub fn rustfmt(mut self, rustfmt: bool) -> Self {
self.rustfmt = rustfmt;
self
}
pub fn write(&self, mut w: impl Write) -> Result<()> {
let source = {
let raw = self.tokens.to_string();
if self.rustfmt {
rustfmt::format(&raw).unwrap_or(raw)
} else {
raw
}
};
w.write_all(source.as_bytes())?;
Ok(())
}
pub fn write_to_file(&self, path: impl AsRef<Path>) -> Result<()> {
let file = File::create(path)?;
let writer = BufWriter::new(file);
self.write(writer)
}
pub fn into_tokens(self) -> TokenStream {
self.tokens
}
}