❔Query on-chain data

These functions basically construct the graphQL query to fetch the indexer data, which listens all events related to the program and stores the data in a database.

import { 
    queryPurchases, 
    queryAccounts, 
    queryEvents, 
    queryTransactions, 
    AccountType 
} from "brick-protocol"
import dotenv from 'dotenv';
dotenv.config();

// Provides user purchases and sales, discriminate sales and purchases by checking 
// the signer of the event. You can use these filters:
export type UserTranasctionFilters = {
  user: string
  startDate?: number
  endDate?: number
  limit?: number
  skip?: number
  reverse?: boolean
}
async function queryTransaction() {
    const filters: UserTranasctionFilters = { user: "rikiFB2VznT2izUT7UffzWCn1X4gNmGutX7XEqFdpRR" };
    await queryTransactions('http://localhost:8080', filters);
}

// Provides you the instruction history of an specific account (can be a user o a program account). 
// You can use these filters:
export type EventsFilters = {
  account: string
  types?: InstructionType[]
  signer?: string
  startDate?: number
  endDate?: number
  limit?: number
  skip?: number
  reverse?: boolean
}
async function queryEvent() {
    const filters = { account: "5WnQLqDpc35PodFDBH6ZAWzDonvt4SF9R9wHq7mhMBG" };
    await queryEvents('http://localhost:8080', filters);
}

// Provides accounts information. You can use these filters:
export type AccountsFilters = {
  types?: AccountType[]
  accounts?: string[]
  authorities?: string[]
  includeStats?: boolean
}
async function queryAccount() {
    const filters = { types: [AccountType.Marketplace] };
    await queryAccounts('http://localhost:8080', filters);
}

// queryPurchases does API requests using DAS
async function queryPurchase() {
    const RPC = process.env.RPC || '';
    if (RPC === '') throw new Error("RPC not found in environment variables.");

    const owner = 'fisherH6SRzYVd2JE53Kgiax9R9MmtS95TC8ERPr3D7';
    const productMint = 'FuzwPRVgY9TAgJR5KY58hDb9D4Y3VfNFYHfsW3gDMyJW';
    const accessesPurchased = await queryPurchases(RPC, owner, productMint);
}