77 lines
2.1 KiB
Rust
77 lines
2.1 KiB
Rust
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//! Etherscan integration tests
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#![cfg(not(target_arch = "wasm32"))]
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use ethers_core::types::Chain;
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use ethers_etherscan::{errors::EtherscanError, Client};
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use std::{
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future::Future,
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time::{Duration, Instant},
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};
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mod account;
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mod contract;
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mod gas;
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mod transaction;
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mod verify;
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mod version;
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#[tokio::test]
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async fn check_wrong_etherscan_api_key() {
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let client = Client::new(Chain::Mainnet, "ABCDEFG").unwrap();
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let resp = client
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.contract_source_code("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413".parse().unwrap())
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.await
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.unwrap_err();
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assert!(matches!(resp, EtherscanError::InvalidApiKey));
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}
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/// Calls the function with a new Etherscan Client.
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pub async fn run_with_client<F, Fut, T>(chain: Chain, f: F) -> T
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where
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F: FnOnce(Client) -> Fut,
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Fut: Future<Output = T>,
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{
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init_tracing();
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let (client, duration) = match Client::new_from_env(chain) {
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Ok(c) => (c, rate_limit(chain, true)),
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Err(_) => {
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(Client::builder().chain(chain).unwrap().build().unwrap(), rate_limit(chain, false))
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}
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};
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run_at_least_duration(duration, f(client)).await
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}
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#[track_caller]
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fn rate_limit(chain: Chain, key: bool) -> Duration {
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match (chain, key) {
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// Rate limit with an API key is 5 call per second.
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(_, true) => Duration::from_millis(250),
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// Rate limit without an API key is 1 call every 5 seconds.
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// (Chain::Mainnet, false) => Duration::from_millis(5100),
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(Chain::Mainnet, false) => panic!("ETHERSCAN_API_KEY is not set"),
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// Ignore other chains since we don't have more than 1 test with each.
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(_, false) => Duration::ZERO,
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}
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}
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async fn run_at_least_duration<T>(duration: Duration, block: impl Future<Output = T>) -> T {
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let start = Instant::now();
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let output = block.await;
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let elapsed = start.elapsed();
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if elapsed < duration {
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tokio::time::sleep(duration - elapsed).await;
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}
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output
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}
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#[track_caller]
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fn init_tracing() {
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let _ = tracing_subscriber::fmt()
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.with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
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.try_init();
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}
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