query.js

// Load Avalanche client helper
const client = require("./client")

async function main() {
  console.log("========== Info ==========")
  await queryInfo(client.Info())

  console.log("========== Platform Chain Info ==========")
  await queryPChain(client.PChain())

  console.log("========== Exchange Chain Info ==========")
  await queryXChain(client.XChain())
}

async function queryInfo(info) {
  // 1.Query info
    console.log("- X:", await info.getBlockchainID("X"), await info.isBootstrapped("X"))
    console.log("- P:", await info.getBlockchainID("P"), await info.isBootstrapped("P"))
    console.log("- C:", await info.getBlockchainID("C"), await info.isBootstrapped("C"))
    console.log("- Fees:", await info.getTxFee())
}

async function queryPChain(pChain) {
  // 2. Query P-Chain
  // Fetch validator subnets
    console.log("Fetching validator subnets...")
    const subnets = await pChain.getSubnets()
    console.log("Found subnets:", subnets.length)
    console.log("Subnet example:", subnets[0])

    // Fetch information about Platform chain
    console.log("Fetching validators...")
    const { validators } = await pChain.getCurrentValidators()
    console.log("Found validators:", validators.length)
    console.log("Example validator:", validators[0])
    // Fetch validator details
    const validator = validators[0]
    const ownerBalance = await pChain.getBalance(validator.rewardOwner.addresses[0])
    console.log("Validator owner balance:", ownerBalance.balance)
    // Fetch current height
    const height = await pChain.getHeight()
    console.log("Current height:", height.toString(10))

    // Fetch current minimum staking amount for running a validator
    const minStake = await pChain.getMinStake()
    console.log("Current min stake:", minStake.minValidatorStake.toString(10))

    // Fetch current supply
    const supply = await pChain.getCurrentSupply()
    console.log("Current supply:", supply.toString(10))
}

async function queryXChain(xChain) {
  // 3. Query X-Chain
    const fee = await xChain.getDefaultTxFee()
    console.log("Default Fee:", fee.toString(10))
    const status = await xChain.getTxStatus("2AjbGiRg1KG7FtuJqVEtCzi48n8jpwWdLLYwnBxfFCwMozMLMg")
    console.log("Transaction status:", status)
    const balances = await xChain.getAllBalances("X-fuji1h4646056wc84fr7jlmmx7t6u3e348ehwzefl5u")
    console.log("Balances:", balances)
}

main().catch((err) => {
  console.log("We have encountered an error!")
  console.error(err)
})