instantiate: TxDescriptor<{
    code_hash: FixedSizeBinary<32>;
    data: Binary;
    gas_limit: {
        proof_size: bigint;
        ref_time: bigint;
    };
    salt?: FixedSizeBinary<32>;
    storage_deposit_limit: bigint;
    value: bigint;
}>

Instantiates a contract from a previously deployed wasm binary.

This function is identical to [Self::instantiate_with_code] but without the code deployment step. Instead, the code_hash of an on-chain deployed wasm binary must be supplied.