ethers-rs/ethers-contract/tests/abigen.rs

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#![cfg(feature = "abigen")]
//! Test cases to validate the `abigen!` macro
use ethers_contract::{abigen, EthEvent};
use ethers_core::abi::{AbiDecode, AbiEncode, Address, Tokenizable};
use ethers_core::types::{transaction::eip2718::TypedTransaction, Eip1559TransactionRequest, U256};
use ethers_core::utils::Solc;
use ethers_providers::Provider;
use std::convert::TryFrom;
use std::sync::Arc;
#[test]
fn can_gen_human_readable() {
abigen!(
SimpleContract,
r#"[
event ValueChanged(address indexed author, string oldValue, string newValue)
]"#,
event_derives(serde::Deserialize, serde::Serialize)
);
assert_eq!("ValueChanged", ValueChangedFilter::name());
assert_eq!(
"ValueChanged(address,string,string)",
ValueChangedFilter::abi_signature()
);
}
#[test]
fn can_gen_human_readable_multiple() {
abigen!(
SimpleContract1,
r#"[
event ValueChanged1(address indexed author, string oldValue, string newValue)
]"#,
event_derives(serde::Deserialize, serde::Serialize);
SimpleContract2,
r#"[
event ValueChanged2(address indexed author, string oldValue, string newValue)
]"#,
event_derives(serde::Deserialize, serde::Serialize)
);
assert_eq!("ValueChanged1", ValueChanged1Filter::name());
assert_eq!(
"ValueChanged1(address,string,string)",
ValueChanged1Filter::abi_signature()
);
assert_eq!("ValueChanged2", ValueChanged2Filter::name());
assert_eq!(
"ValueChanged2(address,string,string)",
ValueChanged2Filter::abi_signature()
);
}
#[test]
fn can_gen_structs_readable() {
abigen!(
SimpleContract,
r#"[
struct Value {address addr; string value;}
struct Addresses {address[] addr; string s;}
event ValueChanged(Value indexed old, Value newValue, Addresses _a)
]"#,
event_derives(serde::Deserialize, serde::Serialize)
);
let value = Addresses {
addr: vec!["eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee".parse().unwrap()],
s: "hello".to_string(),
};
let token = value.clone().into_token();
assert_eq!(value, Addresses::from_token(token).unwrap());
assert_eq!("ValueChanged", ValueChangedFilter::name());
assert_eq!(
"ValueChanged((address,string),(address,string),(address[],string))",
ValueChangedFilter::abi_signature()
);
}
#[test]
fn can_gen_structs_with_arrays_readable() {
abigen!(
SimpleContract,
r#"[
struct Value {address addr; string value;}
struct Addresses {address[] addr; string s;}
event ValueChanged(Value indexed old, Value newValue, Addresses[] _a)
]"#,
event_derives(serde::Deserialize, serde::Serialize)
);
assert_eq!(
"ValueChanged((address,string),(address,string),(address[],string)[])",
ValueChangedFilter::abi_signature()
);
}
fn assert_tokenizeable<T: Tokenizable>() {}
#[test]
fn can_generate_internal_structs() {
abigen!(
VerifierContract,
"ethers-contract/tests/solidity-contracts/verifier_abi.json",
event_derives(serde::Deserialize, serde::Serialize)
);
assert_tokenizeable::<VerifyingKey>();
assert_tokenizeable::<G1Point>();
assert_tokenizeable::<G2Point>();
}
#[test]
fn can_generate_internal_structs_multiple() {
// NOTE: nesting here is necessary due to how tests are structured...
use contract::*;
mod contract {
use super::*;
abigen!(
VerifierContract,
"ethers-contract/tests/solidity-contracts/verifier_abi.json",
event_derives(serde::Deserialize, serde::Serialize);
MyOtherVerifierContract,
"ethers-contract/tests/solidity-contracts/verifier_abi.json",
event_derives(serde::Deserialize, serde::Serialize);
);
}
assert_tokenizeable::<VerifyingKey>();
assert_tokenizeable::<G1Point>();
assert_tokenizeable::<G2Point>();
let (provider, _) = Provider::mocked();
let client = Arc::new(provider);
let g1 = G1Point {
x: U256::zero(),
y: U256::zero(),
};
let g2 = G2Point {
x: [U256::zero(), U256::zero()],
y: [U256::zero(), U256::zero()],
};
let vk = VerifyingKey {
alfa_1: g1.clone(),
beta_2: g2.clone(),
gamma_2: g2.clone(),
delta_2: g2.clone(),
ic: vec![g1.clone()],
};
let proof = Proof {
a: g1.clone(),
b: g2,
c: g1,
};
// ensure both contracts use the same types
let contract = VerifierContract::new(Address::zero(), client.clone());
let _ = contract.verify(vec![], proof.clone(), vk.clone());
let contract = MyOtherVerifierContract::new(Address::zero(), client);
let _ = contract.verify(vec![], proof, vk);
}
#[test]
fn can_gen_human_readable_with_structs() {
abigen!(
SimpleContract,
r#"[
struct Foo { uint256 x; }
function foo(Foo memory x)
function bar(uint256 x, uint256 y, address addr)
yeet(uint256,uint256,address)
]"#,
event_derives(serde::Deserialize, serde::Serialize)
);
assert_tokenizeable::<Foo>();
let (client, _mock) = Provider::mocked();
let contract = SimpleContract::new(Address::default(), Arc::new(client));
let f = Foo { x: 100u64.into() };
let _ = contract.foo(f);
let call = BarCall {
x: 1u64.into(),
y: 0u64.into(),
addr: Address::random(),
};
let encoded_call = contract.encode("bar", (call.x, call.y, call.addr)).unwrap();
assert_eq!(encoded_call, call.clone().encode().into());
let decoded_call = BarCall::decode(encoded_call.as_ref()).unwrap();
assert_eq!(call, decoded_call);
let contract_call = SimpleContractCalls::Bar(call);
let decoded_enum = SimpleContractCalls::decode(encoded_call.as_ref()).unwrap();
assert_eq!(contract_call, decoded_enum);
assert_eq!(encoded_call, contract_call.encode().into());
let call = YeetCall(1u64.into(), 0u64.into(), Address::zero());
let encoded_call = contract.encode("yeet", (call.0, call.1, call.2)).unwrap();
assert_eq!(encoded_call, call.clone().encode().into());
let decoded_call = YeetCall::decode(encoded_call.as_ref()).unwrap();
assert_eq!(call, decoded_call);
let contract_call = SimpleContractCalls::Yeet(call.clone());
let decoded_enum = SimpleContractCalls::decode(encoded_call.as_ref()).unwrap();
assert_eq!(contract_call, decoded_enum);
assert_eq!(contract_call, call.into());
assert_eq!(encoded_call, contract_call.encode().into());
}
#[test]
fn can_handle_overloaded_functions() {
abigen!(
SimpleContract,
r#"[
getValue() (uint256)
getValue(uint256 otherValue) (uint256)
getValue(uint256 otherValue, address addr) (uint256)
]"#
);
let (provider, _) = Provider::mocked();
let client = Arc::new(provider);
let contract = SimpleContract::new(Address::zero(), client);
// ensure both functions are callable
let _ = contract.get_value();
let _ = contract.get_value_with_other_value(1337u64.into());
let _ = contract.get_value_with_other_value_and_addr(1337u64.into(), Address::zero());
let call = GetValueCall;
let encoded_call = contract.encode("getValue", ()).unwrap();
assert_eq!(encoded_call, call.clone().encode().into());
let decoded_call = GetValueCall::decode(encoded_call.as_ref()).unwrap();
assert_eq!(call, decoded_call);
let contract_call = SimpleContractCalls::GetValue(call);
let decoded_enum = SimpleContractCalls::decode(encoded_call.as_ref()).unwrap();
assert_eq!(contract_call, decoded_enum);
assert_eq!(encoded_call, contract_call.encode().into());
let call = GetValueWithOtherValueCall {
other_value: 420u64.into(),
};
let encoded_call = contract
.encode_with_selector([15, 244, 201, 22], call.other_value)
.unwrap();
assert_eq!(encoded_call, call.clone().encode().into());
let decoded_call = GetValueWithOtherValueCall::decode(encoded_call.as_ref()).unwrap();
assert_eq!(call, decoded_call);
let contract_call = SimpleContractCalls::GetValueWithOtherValue(call);
let decoded_enum = SimpleContractCalls::decode(encoded_call.as_ref()).unwrap();
assert_eq!(contract_call, decoded_enum);
assert_eq!(encoded_call, contract_call.encode().into());
let call = GetValueWithOtherValueAndAddrCall {
other_value: 420u64.into(),
addr: Address::random(),
};
let encoded_call = contract
.encode_with_selector([14, 97, 29, 56], (call.other_value, call.addr))
.unwrap();
let decoded_call = GetValueWithOtherValueAndAddrCall::decode(encoded_call.as_ref()).unwrap();
assert_eq!(call, decoded_call);
let contract_call = SimpleContractCalls::GetValueWithOtherValueAndAddr(call);
let decoded_enum = SimpleContractCalls::decode(encoded_call.as_ref()).unwrap();
assert_eq!(contract_call, decoded_enum);
assert_eq!(encoded_call, contract_call.encode().into());
}
#[tokio::test]
async fn can_handle_underscore_functions() {
abigen!(
SimpleStorage,
r#"[
_hashPuzzle() (uint256)
]"#;
SimpleStorage2,
"ethers-contract/tests/solidity-contracts/simplestorage_abi.json",
);
// launcht the network & connect to it
let ganache = ethers_core::utils::Ganache::new().spawn();
let from = ganache.addresses()[0];
let provider = Provider::try_from(ganache.endpoint())
.unwrap()
.with_sender(from)
.interval(std::time::Duration::from_millis(10));
let client = Arc::new(provider);
let compiled = Solc::new("./tests/solidity-contracts/SimpleStorage.sol")
.build()
.unwrap();
let compiled = compiled.get("SimpleStorage").unwrap();
let factory = ethers_contract::ContractFactory::new(
compiled.abi.clone(),
compiled.bytecode.clone(),
client.clone(),
);
let addr = factory
.deploy("hi".to_string())
.unwrap()
.legacy()
.send()
.await
.unwrap()
.address();
// connect to the contract
let contract = SimpleStorage::new(addr, client.clone());
let contract2 = SimpleStorage2::new(addr, client.clone());
let res = contract.hash_puzzle().call().await.unwrap();
let res2 = contract2.hash_puzzle().call().await.unwrap();
let res3 = contract
.method::<_, U256>("_hashPuzzle", ())
.unwrap()
.call()
.await
.unwrap();
let res4 = contract2
.method::<_, U256>("_hashPuzzle", ())
.unwrap()
.call()
.await
.unwrap();
// Manual call construction
use ethers_providers::Middleware;
// TODO: How do we handle underscores for calls here?
let data = simplestorage_mod::HashPuzzleCall.encode();
let tx = Eip1559TransactionRequest::new().data(data).to(addr);
let tx = TypedTransaction::Eip1559(tx);
let res5 = client.call(&tx, None).await.unwrap();
let res5 = U256::from(res5.as_ref());
assert_eq!(res, 100.into());
assert_eq!(res, res2);
assert_eq!(res, res3);
assert_eq!(res, res4);
assert_eq!(res, res5);
}