instantiate

// ----------------------------------------------------------------------
// HEADS UP: 1 arg below has a complex type with no usable default.
// Look for `undefined as any` and replace it with real value
// before running — the snippet compiles, but will fail at runtime as-is.
// ----------------------------------------------------------------------
import { createClient, Binary } from "polkadot-api";
import { getWsProvider } from "polkadot-api/ws";
import { sub } from "@polkadot-api/descriptors"; // generated by: npx papi add sub -w wss://entrypoint-finney.opentensor.ai:443

const client = createClient(getWsProvider("wss://entrypoint-finney.opentensor.ai:443"));
const api = client.getTypedApi(sub);

// Build instantiate call (typed, named args)
const value = 0n;
const gas_limit = undefined as any /* Weight — replace with real value */;
const storage_deposit_limit = undefined;
const code_hash = "0x0000000000000000000000000000000000000000000000000000000000000000";
const data = Binary.fromOpaque(new Uint8Array(0));
const salt = Binary.fromOpaque(new Uint8Array(0));

const tx = api.tx.Contracts.instantiate({
  value,
  gas_limit,
  storage_deposit_limit,
  code_hash,
  data,
  salt,
});