ContractInfoOf: StorageDescriptor<[Key: FixedSizeBinary<20>], {
    code_hash: FixedSizeBinary<32>;
    delegate_dependencies: [FixedSizeBinary<32>, bigint][];
    immutable_data_len: number;
    storage_base_deposit: bigint;
    storage_byte_deposit: bigint;
    storage_bytes: number;
    storage_item_deposit: bigint;
    storage_items: number;
    trie_id: Binary;
}, true, never>

The code associated with a given account.