52 lines
1.4 KiB
Rust
52 lines
1.4 KiB
Rust
use ethers::{
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types::{BlockNumber, TransactionRequest},
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HttpProvider,
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};
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use std::convert::TryFrom;
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#[tokio::main]
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async fn main() -> Result<(), failure::Error> {
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// connect to the network
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let provider = HttpProvider::try_from("http://localhost:8545")?;
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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 {
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from: Some(from),
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to: Some("9A7e5d4bcA656182e66e33340d776D1542143006".parse()?),
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value: Some(1000u64.into()),
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gas: None,
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gas_price: None,
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data: None,
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nonce: None,
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};
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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 tx_hash = provider.send_transaction(tx).await?;
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let tx = provider.get_transaction(tx_hash).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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