starknet 0.17.0

Complete Starknet library in Rust™
Documentation 
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use starknet::{
    core::types::{BlockId, BlockTag, Felt, FunctionCall},
    macros::{felt, selector},
    providers::{
        jsonrpc::{HttpTransport, JsonRpcClient},
        Provider, Url,
    },
};

#[tokio::main]
async fn main() {
    let provider = JsonRpcClient::new(HttpTransport::new(
        Url::parse("https://starknet-sepolia.public.blastapi.io/rpc/v0_9").unwrap(),
    ));

    let tst_token_address =
        felt!("0x07394cbe418daa16e42b87ba67372d4ab4a5df0b05c6e554d158458ce245bc10");

    let call_result =
        provider
            .call(
                FunctionCall {
                    contract_address: tst_token_address,
                    entry_point_selector: selector!("balanceOf"),
                    calldata: vec![
                        Felt::from_hex("YOUR_ACCOUNT_CONTRACT_ADDRESS_IN_HEX_HERE").unwrap()
                    ],
                },
                BlockId::Tag(BlockTag::Latest),
            )
            .await
            .expect("failed to call contract");

    dbg!(call_result);
}