@onflow/flow-js-testing/src/contract.js

This package will expose a set of utility methods, to allow Cadence code testing with libraries like Jest

/*
 * Flow JS Testing
 *
 * Copyright 2020-2021 Dapper Labs, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {getManagerAddress} from "./manager"
import {executeScript} from "./interaction"
import {defaultsByName} from "./file"

import registry from "./generated"

/**
 * Returns address of the account where contract specified by name is currently deployed
 * @param {string} name - name of the account to look for
 * @param {boolean} [useDefaults=false] - whether we shall look into default addressed first
 * @returns {Promise<string>}
 */
export const getContractAddress = async (name, useDefaults = false) => {
  // TODO: Maybe try to automatically deploy contract? 🤔

  if (useDefaults) {
    const defaultContract = defaultsByName[name]
    if (defaultContract !== undefined) {
      return defaultContract
    }
  }

  const managerAddress = await getManagerAddress()
  const addressMap = {FlowManager: managerAddress}

  const code = await registry.scripts.getContractAddressTemplate(addressMap)
  const args = [name, managerAddress]
  const [contractAddress] = await executeScript({
    code,
    args,
    service: true,
  })

  return contractAddress
}