Maintain a Feed

import { PlanType } from "@molpha/sdk";

const plan = await sdk.solana.getPlan(PlanType.Basic);

await sdk.solana.subscribe(PlanType.Basic, {
  maxPriceUsdc: plan.subscriptionPrice,
});

// Later: renew for another period
await sdk.solana.extendSubscription({
  maxPriceUsdc: plan.subscriptionPrice,
});

import { deriveApiConfigHash, deriveFeedIdString } from "@molpha/sdk";

const apiConfig = {
  url: "https://api.example.com/price",
  responseParser: "$.price",
};

const signaturesRequired = 3;
const feedId = deriveFeedIdString(
  wallet.publicKey.toBytes(),
  deriveApiConfigHash(apiConfig),
  signaturesRequired,
);

const { result, signature } = await sdk.requestAndSubmit(feedId, {
  apiConfig,
  signaturesRequired,
});

const feed = await sdk.solana.readFeed(feedId);
console.log(feed?.value, feed?.canonicalTimestamp, signature);

const result = await sdk.gateway.requestSignedData({
  feedId,
  apiConfig,
  signaturesRequired,
});

const { signature } = await sdk.solana.submitDataUpdate(result);

const context = await sdk.gateway.prepareContext(feedId);

const result = await sdk.gateway.requestSignedData({
  feedId,
  apiConfig,
  signaturesRequired,
  context,
});