49 lines
1.4 KiB
Rust
49 lines
1.4 KiB
Rust
use anyhow::Result;
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use ethers::{prelude::*, utils::Ganache};
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use std::convert::TryFrom;
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#[tokio::main]
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async fn main() -> Result<()> {
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let port = 8546u64;
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let url = format!("http://localhost:{}", port).to_string();
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let _ganache = Ganache::new().port(port).spawn();
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// connect to the network
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let provider = Provider::<Http>::try_from(url.as_str())?;
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let accounts = provider.get_accounts().await?;
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let from = accounts[0];
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// craft the tx
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let tx = TransactionRequest::new()
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.send_to_str("9A7e5d4bcA656182e66e33340d776D1542143006")?
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.value(1000)
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.from(from); // specify the `from` field so that the client knows which account to use
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let balance_before = provider.get_balance(from, None).await?;
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// broadcast it via the eth_sendTransaction API
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let pending_tx = provider.send_transaction(tx).await?;
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let tx = pending_tx.await?;
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println!("{}", serde_json::to_string(&tx)?);
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let nonce1 = provider
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.get_transaction_count(from, Some(BlockNumber::Latest))
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.await?;
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let nonce2 = provider
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.get_transaction_count(from, Some(BlockNumber::Number(0.into())))
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.await?;
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assert!(nonce2 < nonce1);
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let balance_after = provider.get_balance(from, None).await?;
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assert!(balance_after < balance_before);
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println!("Balance before {}", balance_before);
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println!("Balance after {}", balance_after);
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Ok(())
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}
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