BAND/USD

bandchain_ui_1.js

// npm install --save @bandprotocol/bandchain.js
import BandChain from '@bandprotocol/bandchain.js'
// Chain parameters
const endpoint = 'https://guanyu-devnet.bandchain.org/rest'
// Request parameters
const oracleScriptId = 13
const params = {
  "base_symbol": "BAND",
  "quote_symbol": "USD",
  "aggregation_method": "median",
  "multiplier": 1000000
}
const validatorCounts = {
  minCount: 3,
  askCount: 4,
}
async function getLatestRequestResult() {
  const bandchain = new BandChain(endpoint)
  const oracleScript = await bandchain.getOracleScript(oracleScriptId)
  const { result, resolve_time } = await bandchain.getLastMatchingRequestResult(
    oracleScript,
    params,
    validatorCounts,
  )
  return { 
    result: parseFloat(result.px) / params.multiplier, 
    resolve_time: new Date(resolve_time * 1000)
  }
}