72 lines
2.2 KiB
Rust
72 lines
2.2 KiB
Rust
|
use ethers_core::{
|
||
|
|
abi::{Abi, Detokenize, InvalidOutputType, Token},
|
||
|
|
types::{Address, Bytes},
|
||
|
|
};
|
||
|
|
|
||
|
|
use ethers_contract::{Contract, ContractFactory};
|
||
|
|
use ethers_core::utils::{Ganache, GanacheInstance, Solc};
|
||
|
|
use ethers_providers::{Http, Provider};
|
||
|
|
use ethers_signers::{Client, Wallet};
|
||
|
|
use std::convert::TryFrom;
|
||
|
|
|
||
|
|
// Note: We also provide the `abigen` macro for generating these bindings automatically
|
||
|
|
#[derive(Clone, Debug)]
|
||
|
|
pub struct ValueChanged {
|
||
|
|
pub old_author: Address,
|
||
|
|
pub new_author: Address,
|
||
|
|
pub old_value: String,
|
||
|
|
pub new_value: String,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Detokenize for ValueChanged {
|
||
|
|
fn from_tokens(tokens: Vec<Token>) -> Result<ValueChanged, InvalidOutputType> {
|
||
|
|
let old_author: Address = tokens[1].clone().to_address().unwrap();
|
||
|
|
let new_author: Address = tokens[1].clone().to_address().unwrap();
|
||
|
|
let old_value = tokens[2].clone().to_string().unwrap();
|
||
|
|
let new_value = tokens[3].clone().to_string().unwrap();
|
||
|
|
|
||
|
|
Ok(Self {
|
||
|
|
old_author,
|
||
|
|
new_author,
|
||
|
|
old_value,
|
||
|
|
new_value,
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// compiles the test contract
|
||
|
|
pub fn compile() -> (Abi, Bytes) {
|
||
|
|
let compiled = Solc::new("./tests/contract.sol").build().unwrap();
|
||
|
|
let contract = compiled
|
||
|
|
.get("SimpleStorage")
|
||
|
|
.expect("could not find contract");
|
||
|
|
(contract.abi.clone(), contract.bytecode.clone())
|
||
|
|
}
|
||
|
|
|
||
|
|
/// connects the private key to http://localhost:8545
|
||
|
|
pub fn connect(private_key: &str) -> Client<Http, Wallet> {
|
||
|
|
let provider = Provider::<Http>::try_from("http://localhost:8545").unwrap();
|
||
|
|
private_key.parse::<Wallet>().unwrap().connect(provider)
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Launches a ganache instance and deploys the SimpleStorage contract
|
||
|
|
pub async fn deploy<'a>(
|
||
|
|
client: &'a Client<Http, Wallet>,
|
||
|
|
abi: Abi,
|
||
|
|
bytecode: Bytes,
|
||
|
|
) -> (GanacheInstance, Contract<'a, Http, Wallet>) {
|
||
|
|
let ganache = Ganache::new()
|
||
|
|
.mnemonic("abstract vacuum mammal awkward pudding scene penalty purchase dinner depart evoke puzzle")
|
||
|
|
.spawn();
|
||
|
|
|
||
|
|
let factory = ContractFactory::new(abi, bytecode, client);
|
||
|
|
let contract = factory
|
||
|
|
.deploy("initial value".to_string())
|
||
|
|
.unwrap()
|
||
|
|
.send()
|
||
|
|
.await
|
||
|
|
.unwrap();
|
||
|
|
|
||
|
|
(ganache, contract)
|
||
|
|
}
|