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

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use ethers::providers::{Http, Provider};
use std::convert::TryFrom;
#[tokio::test]
#[cfg(not(feature = "celo"))]
async fn pending_txs_with_confirmations_ganache() {
use ethers::{
types::TransactionRequest,
utils::{parse_ether, Ganache},
};
let _ganache = Ganache::new().block_time(2u64).spawn();
let provider = Provider::<Http>::try_from("http://localhost:8545").unwrap();
let accounts = provider.get_accounts().await.unwrap();
let tx = TransactionRequest::pay(accounts[1], parse_ether(1u64).unwrap()).from(accounts[0]);
let pending_tx = provider.send_transaction(tx).await.unwrap();
let hash = *pending_tx;
let receipt = pending_tx.confirmations(5).await.unwrap();
// got the correct receipt
assert_eq!(receipt.transaction_hash, hash);
}
#[cfg(feature = "celo")]
mod celo_tests {
use super::*;
use ethers::{providers::FilterStream, types::H256};
use futures_util::stream::StreamExt;
#[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 = "544ea96cddb16aeeaedaf90885c1e02be4905f3eb43d6db3f28cac4dbe76a625"
.parse::<H256>()
.unwrap();
let tx = provider.get_transaction(tx_hash).await.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(), 1100845.into())
}
#[tokio::test]
async fn watch_blocks() {
let provider =
Provider::<Http>::try_from("https://alfajores-forno.celo-testnet.org").unwrap();
let stream = provider
.watch_blocks()
.await
.unwrap()
.interval(2000u64)
.stream();
let _blocks = stream.take(3usize).collect::<Vec<H256>>().await;
}
}