57 lines
1.9 KiB
Rust
57 lines
1.9 KiB
Rust
#![cfg(not(target_arch = "wasm32"))]
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#[cfg(feature = "abigen")]
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use ethers_core::types::Address;
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#[cfg(feature = "abigen")]
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use ethers_contract::EthEvent;
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#[cfg(feature = "abigen")]
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mod derive;
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use ethers_contract::{Contract, ContractFactory};
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use ethers_core::{abi::Abi, types::Bytes, utils::AnvilInstance};
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use ethers_providers::{Http, Middleware, Provider};
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use ethers_solc::Solc;
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use std::{convert::TryFrom, sync::Arc, time::Duration};
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// Note: The `EthEvent` derive macro implements the necessary conversion between `Tokens` and
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// the struct
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#[cfg(feature = "abigen")]
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#[derive(Clone, Debug, EthEvent)]
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pub struct ValueChanged {
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#[ethevent(indexed)]
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pub old_author: Address,
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#[ethevent(indexed)]
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pub new_author: Address,
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pub old_value: String,
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pub new_value: String,
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}
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/// compiles the given contract and returns the ABI and Bytecode
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pub fn compile_contract(name: &str, filename: &str) -> (Abi, Bytes) {
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let path = format!("./tests/solidity-contracts/{}", filename);
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let compiled = Solc::default().compile_source(&path).unwrap();
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let contract = compiled.get(&path, name).expect("could not find contract");
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let (abi, bin, _) = contract.into_parts_or_default();
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(abi, bin)
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}
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/// connects the private key to http://localhost:8545
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pub fn connect(anvil: &AnvilInstance, idx: usize) -> Arc<Provider<Http>> {
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let sender = anvil.addresses()[idx];
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let provider = Provider::<Http>::try_from(anvil.endpoint())
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.unwrap()
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.interval(Duration::from_millis(10u64))
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.with_sender(sender);
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Arc::new(provider)
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}
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/// Launches a Anvil instance and deploys the SimpleStorage contract
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pub async fn deploy<M: Middleware>(client: Arc<M>, abi: Abi, bytecode: Bytes) -> Contract<M> {
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let factory = ContractFactory::new(abi, bytecode, client);
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let deployer = factory.deploy("initial value".to_string()).unwrap();
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assert!(deployer.call().await.is_ok());
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deployer.legacy().send().await.unwrap()
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}
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