use anyhow::Result;
use clap::Parser;
use starknet::{
core::types::{BlockId, BlockTag, FieldElement},
providers::Provider,
};
use crate::ProviderArgs;
#[derive(Debug, Parser)]
pub struct ClassHashAt {
#[clap(flatten)]
provider: ProviderArgs,
#[clap(help = "Contract address")]
address: String,
}
impl ClassHashAt {
pub async fn run(self) -> Result<()> {
let provider = self.provider.into_provider();
let address = FieldElement::from_hex_be(&self.address)?;
let class_hash = provider
.get_class_hash_at(BlockId::Tag(BlockTag::Pending), address)
.await?;
println!("{:#064x}", class_hash);
Ok(())
}
}