ethers-rs/ethers/examples/contract_with_abi_and_struc...

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//! Main entry point for ContractMonitor
use ethers::{prelude::*, utils::Ganache};
use std::{convert::TryFrom, sync::Arc, time::Duration};
abigen!(
VerifierContract,
"ethers-contract/tests/solidity-contracts/verifier_abi.json"
);
/// This example only demonstrates how to use generated structs for solidity functions that
/// have structs as input.
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let ganache = Ganache::new().spawn();
let provider =
Provider::<Http>::try_from(ganache.endpoint())?.interval(Duration::from_millis(10u64));
let wallet: LocalWallet = ganache.keys()[0].clone().into();
let client = SignerMiddleware::new(provider, wallet);
let client = Arc::new(client);
let contract = VerifierContract::new(Address::zero(), client);
// NOTE: this is all just dummy data
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,
};
let _ = contract.verify(vec![], proof, vk);
Ok(())
}