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refactor: use expanded EthEvent impl (#1499)

This commit is contained in:
Matthias Seitz 2022-07-24 03:16:23 +02:00 committed by GitHub
parent d7f656c73a
commit 83e2684824
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 98 additions and 16 deletions
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4
ethers-middleware/Cargo.toml
View File

@ -14,7 +14,7 @@ all-features = true
rustdoc-args = ["--cfg", "docsrs"]
[dependencies]
ethers-contract = { version = "^0.13.0", path = "../ethers-contract", default-features = false, features = ["abigen"] }
ethers-contract = { version = "^0.13.0", path = "../ethers-contract", default-features = false }
ethers-core = { version = "^0.13.0", path = "../ethers-core", default-features = false }
ethers-etherscan = { version = "^0.13.0", path = "../ethers-etherscan", default-features = false }
ethers-providers = { version = "^0.13.0", path = "../ethers-providers", default-features = false }
@ -43,7 +43,7 @@ hex = { version = "0.4.3", default-features = false, features = ["std"] }
rand = { version = "0.8.5", default-features = false }
ethers-providers = { version = "^0.13.0", path = "../ethers-providers", default-features = false, features = ["ws", "rustls"] }
once_cell = "1.13.0"
ethers-solc = { version = "^0.13.0", path = "../ethers-solc", default-features = false }
ethers-solc = { version = "^0.13.0", path = "../ethers-solc" }
serial_test = "0.8.0"
[target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]

110
ethers-middleware/src/transformer/ds_proxy/factory.rs
View File

@ -37,12 +37,16 @@ mod dsproxyfactory_mod {
Contract, EthEvent, Lazy,
};
use ethers_core::{
abi::{parse_abi, Abi, Detokenize, InvalidOutputType, Token, Tokenizable},
abi::{
parse_abi, Abi, Detokenize, InvalidOutputType, ParamType, Token, Tokenizable,
TokenizableItem,
},
types::*,
};
use ethers_providers::Middleware;
#[doc = "DsProxyFactory was auto-generated with ethers-rs Abigen. More information at: https://github.com/gakonst/ethers-rs"]
use std::sync::Arc;
pub static DSPROXYFACTORY_ABI: Lazy<Abi> = Lazy::new(|| {
serde_json :: from_str ("[{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"isProxy\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"cache\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"build\",\"outputs\":[{\"name\":\"proxy\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"build\",\"outputs\":[{\"name\":\"proxy\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"proxy\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"cache\",\"type\":\"address\"}],\"name\":\"Created\",\"type\":\"event\"}]\n") . expect ("invalid abi")
});
@ -78,18 +82,13 @@ mod dsproxyfactory_mod {
.expect("method not found (this should never happen)")
}
///Calls the contract's `build` (0x8e1a55fc) function
pub fn build_with_sender(
&self,
) -> ethers_contract::builders::ContractCall<M, ethers_core::types::Address> {
pub fn build_with_sender(&self) -> ContractCall<M, Address> {
self.0
.method_hash([142, 26, 85, 252], ())
.expect("method not found (this should never happen)")
}
///Calls the contract's `build` (0xf3701da2) function
pub fn build(
&self,
owner: ethers_core::types::Address,
) -> ethers_contract::builders::ContractCall<M, ethers_core::types::Address> {
pub fn build(&self, owner: Address) -> ContractCall<M, Address> {
self.0
.method_hash([243, 112, 29, 162], owner)
.expect("method not found (this should never happen)")
@ -101,24 +100,107 @@ mod dsproxyfactory_mod {
.expect("method not found (this should never happen)")
}
///Gets the contract's `Created` event
pub fn created_filter(&self) -> ethers_contract::builders::Event<M, CreatedFilter> {
pub fn created_filter(&self) -> Event<M, CreatedFilter> {
self.0.event()
}
/// Returns an [`Event`](ethers_contract::builders::Event) builder for all events of this
/// contract
pub fn events(&self) -> ethers_contract::builders::Event<M, CreatedFilter> {
pub fn events(&self) -> Event<M, CreatedFilter> {
self.0.event_with_filter(Default::default())
}
}
#[derive(Clone, Debug, Default, Eq, PartialEq, EthEvent)]
#[ethevent(name = "Created")]
#[derive(Clone, Debug, Default, Eq, PartialEq)]
pub struct CreatedFilter {
#[ethevent(indexed)]
pub sender: Address,
#[ethevent(indexed)]
pub owner: Address,
pub proxy: Address,
pub cache: Address,
}
impl ethers_core::abi::AbiType for CreatedFilter {
fn param_type() -> ParamType {
ParamType::Tuple(::std::vec![
ParamType::Address; 4
])
}
}
impl ethers_core::abi::AbiArrayType for CreatedFilter {}
impl Tokenizable for CreatedFilter {
fn from_token(token: Token) -> Result<Self, InvalidOutputType>
where
Self: Sized,
{
if let Token::Tuple(tokens) = token {
if tokens.len() != 4usize {
return Err(InvalidOutputType(format!(
"Expected {} tokens, got {}: {:?}",
4usize,
tokens.len(),
tokens
)))
}
let mut iter = tokens.into_iter();
Ok(Self {
sender: Tokenizable::from_token(iter.next().unwrap())?,
owner: Tokenizable::from_token(iter.next().unwrap())?,
proxy: Tokenizable::from_token(iter.next().unwrap())?,
cache: Tokenizable::from_token(iter.next().unwrap())?,
})
} else {
Err(InvalidOutputType(format!("Expected Tuple, got {:?}", token)))
}
}
fn into_token(self) -> Token {
Token::Tuple(::std::vec![
self.sender.into_token(),
self.owner.into_token(),
self.proxy.into_token(),
self.cache.into_token(),
])
}
}
impl TokenizableItem for CreatedFilter {}
impl ethers_contract::EthEvent for CreatedFilter {
fn name() -> std::borrow::Cow<'static, str> {
"Created".into()
}
fn signature() -> H256 {
H256([
37, 155, 48, 202, 57, 136, 92, 109, 128, 26, 11, 93, 188, 152, 134, 64, 243, 194,
94, 47, 55, 83, 31, 225, 56, 197, 197, 175, 137, 85, 212, 27,
])
}
fn abi_signature() -> std::borrow::Cow<'static, str> {
"Created(address,address,address,address)".into()
}
fn decode_log(log: &ethers_core::abi::RawLog) -> Result<Self, ethers_core::abi::Error>
where
Self: Sized,
{
let ethers_core::abi::RawLog { data, topics } = log;
let event_signature = topics.get(0).ok_or(ethers_core::abi::Error::InvalidData)?;
if event_signature != &Self::signature() {
return Err(ethers_core::abi::Error::InvalidData)
}
let topic_types = ::std::vec![ParamType::Address, ParamType::Address];
let data_types = [ParamType::Address, ParamType::Address];
let flat_topics =
topics.iter().skip(1).flat_map(|t| t.as_ref().to_vec()).collect::<Vec<u8>>();
let topic_tokens = ethers_core::abi::decode(&topic_types, &flat_topics)?;
if topic_tokens.len() != topics.len() - 1 {
return Err(ethers_core::abi::Error::InvalidData)
}
let data_tokens = ethers_core::abi::decode(&data_types, data)?;
let tokens: Vec<_> = topic_tokens.into_iter().chain(data_tokens.into_iter()).collect();
Tokenizable::from_token(Token::Tuple(tokens))
.map_err(|_| ethers_core::abi::Error::InvalidData)
}
fn is_anonymous() -> bool {
false
}
}
}