use tronz::{ProviderBuilder, TronProvider, TRONGRID_MAINNET};
 
#[tokio::main]
async fn main() -> anyhow::Result<()> {
    // Connect to a TRON gRPC endpoint.
    let provider = ProviderBuilder::new().on_grpc(TRONGRID_MAINNET).await?;
 
    // Read the latest block.
    let block = provider.get_now_block().await?;
    println!("block {} @ {}ms", block.number, block.timestamp);
 
    Ok(())
}

use tronz::{LocalSigner, ProviderBuilder, TronProvider, TronSigner, Trx, TRONGRID_NILE};
 
#[tokio::main]
async fn main() -> anyhow::Result<()> {
    let signer = LocalSigner::from_hex("PRIVATE_KEY_HEX")?;
    let from = signer.address();
 
    let provider = ProviderBuilder::new()
        .with_recommended_fillers()
        .with_signer(signer)
        .on_grpc(TRONGRID_NILE)
        .await?;
 
    // Build, sign, and broadcast in one chain.
    let pending = provider.send_trx().to(from).amount(Trx::from_sun(1_000_000)?).send().await?;
 
    let receipt = pending.get_receipt().await?;
    println!("status: {:?}", receipt.status);
    Ok(())
}

use tronz::{ProviderBuilder, TRONGRID_MAINNET};
use tronz::contract::Trc20Ext;
 
#[tokio::main]
async fn main() -> anyhow::Result<()> {
    let provider = ProviderBuilder::new().on_grpc(TRONGRID_MAINNET).await?;
 
    let usdt: tronz::Address = "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t".parse()?;
    let token = provider.trc20(usdt);
 
    println!("{} ({})", token.name().await?, token.symbol().await?);
    Ok(())
}