ethers-rs/ethers-providers/tests/provider.rs

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#![allow(unused_braces)]
use ethers::providers::{Http, Middleware, Provider};
use std::{convert::TryFrom, time::Duration};
#[cfg(not(feature = "celo"))]
mod eth_tests {
use super::*;
use ethers::{
types::{BlockId, TransactionRequest, H256},
utils::{parse_ether, Ganache},
};
#[tokio::test]
async fn non_existing_data_works() {
let provider = Provider::<Http>::try_from(
"https://rinkeby.infura.io/v3/c60b0bb42f8a4c6481ecd229eddaca27",
)
.unwrap();
assert!(provider
.get_transaction(H256::zero())
.await
.unwrap()
.is_none());
assert!(provider
.get_transaction_receipt(H256::zero())
.await
.unwrap()
.is_none());
assert!(provider
.get_block(BlockId::Hash(H256::zero()))
.await
.unwrap()
.is_none());
assert!(provider
.get_block_with_txs(BlockId::Hash(H256::zero()))
.await
.unwrap()
.is_none());
}
// Without TLS this would error with "TLS Support not compiled in"
#[test]
#[cfg(any(feature = "async-std-tls", feature = "tokio-tls"))]
fn ssl_websocket() {
// this is extremely ugly but I couldn't figure out a better way of having
// a shared async test for both runtimes
#[cfg(feature = "async-std-tls")]
let block_on = async_std::task::block_on;
#[cfg(feature = "tokio-tls")]
let mut runtime = tokio::runtime::Runtime::new().unwrap();
#[cfg(feature = "tokio-tls")]
let mut block_on = |x| runtime.block_on(x);
use ethers::providers::Ws;
block_on(async move {
let ws = Ws::connect("wss://rinkeby.infura.io/ws/v3/c60b0bb42f8a4c6481ecd229eddaca27")
.await
.unwrap();
let provider = Provider::new(ws);
let _number = provider.get_block_number().await.unwrap();
});
}
#[tokio::test]
#[cfg(feature = "tokio-runtime")]
async fn watch_blocks_websocket() {
use ethers::{
providers::{StreamExt, Ws},
types::H256,
};
let ganache = Ganache::new().block_time(2u64).spawn();
let (ws, _) = async_tungstenite::tokio::connect_async(ganache.ws_endpoint())
.await
.unwrap();
let provider = Provider::new(Ws::new(ws)).interval(Duration::from_millis(500u64));
let stream = provider.watch_blocks().await.unwrap().stream();
let _blocks = stream.take(3usize).collect::<Vec<H256>>().await;
let _number = provider.get_block_number().await.unwrap();
}
#[tokio::test]
async fn pending_txs_with_confirmations_ganache() {
let ganache = Ganache::new().block_time(2u64).spawn();
let provider = Provider::<Http>::try_from(ganache.endpoint())
.unwrap()
.interval(Duration::from_millis(500u64));
generic_pending_txs_test(provider).await;
}
#[tokio::test]
#[cfg(any(feature = "tokio-runtime", feature = "tokio-tls"))]
async fn websocket_pending_txs_with_confirmations_ganache() {
use ethers::providers::Ws;
let ganache = Ganache::new().block_time(2u64).spawn();
let ws = Ws::connect(ganache.ws_endpoint()).await.unwrap();
let provider = Provider::new(ws);
generic_pending_txs_test(provider).await;
}
async fn generic_pending_txs_test<M: Middleware>(provider: M) {
let accounts = provider.get_accounts().await.unwrap();
let tx = TransactionRequest::pay(accounts[0], parse_ether(1u64).unwrap()).from(accounts[0]);
let tx_hash = provider.send_transaction(tx, None).await.unwrap();
let pending_tx = provider.pending_transaction(tx_hash);
let receipt = pending_tx.confirmations(5).await.unwrap();
// got the correct receipt
assert_eq!(receipt.transaction_hash, tx_hash);
}
}
#[cfg(feature = "celo")]
mod celo_tests {
use super::*;
use ethers::types::{Randomness, H256};
use futures_util::stream::StreamExt;
use rustc_hex::FromHex;
#[tokio::test]
// https://alfajores-blockscout.celo-testnet.org/tx/0x544ea96cddb16aeeaedaf90885c1e02be4905f3eb43d6db3f28cac4dbe76a625/internal_transactions
async fn get_transaction() {
let provider =
Provider::<Http>::try_from("https://alfajores-forno.celo-testnet.org").unwrap();
let tx_hash = "c8496681d0ade783322980cce00c89419fce4b484635d9e09c79787a0f75d450"
.parse::<H256>()
.unwrap();
let tx = provider.get_transaction(tx_hash).await.unwrap().unwrap();
assert!(tx.gateway_fee_recipient.is_none());
assert_eq!(tx.gateway_fee.unwrap(), 0.into());
assert_eq!(tx.hash, tx_hash);
assert_eq!(tx.block_number.unwrap(), 447181.into())
}
#[tokio::test]
async fn get_block() {
let provider =
Provider::<Http>::try_from("https://alfajores-forno.celo-testnet.org").unwrap();
let block = provider.get_block(447254).await.unwrap().unwrap();
assert_eq!(
block.randomness,
Randomness {
committed: "003e12deb86292844274493e9ab6e57ed1e276202c16799d97af723eb0d3253f"
.from_hex::<Vec<u8>>()
.unwrap()
.into(),
revealed: "1333b3b45e0385da48a01b4459aeda7607867ef6a41167cfdeefa49b9fdce6d7"
.from_hex::<Vec<u8>>()
.unwrap()
.into(),
}
);
}
#[tokio::test]
async fn watch_blocks() {
let provider = Provider::<Http>::try_from("https://alfajores-forno.celo-testnet.org")
.unwrap()
.interval(Duration::from_millis(2000u64));
let stream = provider.watch_blocks().await.unwrap().stream();
let _blocks = stream.take(3usize).collect::<Vec<H256>>().await;
}
}