use std::sync::Arc; use starknet::{ accounts::{Account, ExecutionEncoding, SingleOwnerAccount}, core::{ chain_id, types::{contract::legacy::LegacyContractClass, BlockId, BlockTag, Felt}, }, providers::{ jsonrpc::{HttpTransport, JsonRpcClient}, Url, }, signers::{LocalWallet, SigningKey}, }; #[tokio::main] async fn main() { let contract_artifact: LegacyContractClass = serde_json::from_reader(std::fs::File::open("/path/to/contract/artifact.json").unwrap()) .unwrap(); let provider = JsonRpcClient::new(HttpTransport::new( Url::parse("https://starknet-sepolia.public.blastapi.io/rpc/v0_7").unwrap(), )); let signer = LocalWallet::from(SigningKey::from_secret_scalar( Felt::from_hex("YOUR_PRIVATE_KEY_IN_HEX_HERE").unwrap(), )); let address = Felt::from_hex("YOUR_ACCOUNT_CONTRACT_ADDRESS_IN_HEX_HERE").unwrap(); let mut account = SingleOwnerAccount::new( provider, signer, address, chain_id::SEPOLIA, ExecutionEncoding::New, ); // `SingleOwnerAccount` defaults to checking nonce and estimating fees against the latest // block. Optionally change the target block to pending with the following line: account.set_block_id(BlockId::Tag(BlockTag::Pending)); let result = account .declare_legacy(Arc::new(contract_artifact)) .send() .await .unwrap(); dbg!(result); }