query

Allows you to submit scripts to query the blockchain.

Import

You can import the entire package and access the function:

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import * as fcl from "@onflow/fcl"

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fcl.query(opts)

Or import directly the specific function:

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import { query } from "@onflow/fcl"

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query(opts)

Usage

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import * as fcl from '@onflow/fcl';

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const result = await fcl.query({

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cadence: `

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access(all) fun main(a: Int, b: Int, addr: Address): Int {

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log(addr)

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return a + b

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}

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`,

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args: (arg, t) => [

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arg(7, t.Int), // a: Int

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arg(6, t.Int), // b: Int

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arg('0xba1132bc08f82fe2', t.Address), // addr: Address

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],

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});

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console.log(result); // 13

Parameters

opts (optional)

• Type:

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export interface QueryOptions {

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cadence?: string

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args?: ArgsFn

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template?: any

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isSealed?: boolean

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limit?: number

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}

• Description: Query options configuration

Properties:

• cadence - A valid cadence script (required)
• args - Any arguments to the script if needed should be supplied via a function that returns an array of arguments
• limit - Compute (Gas) limit for query.
• template - Interaction Template for a script
• isSealed - Block Finality

Returns

Promise<any>

A JSON representation of the response

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