123456import { ApiPromise } from "@polkadot/api";7import { expect } from "chai";8import { default as usingApi, submitTransactionAsync } from "./substrate/substrate-api";9import fs from "fs";10import { Abi, BlueprintPromise, CodePromise } from "@polkadot/api-contract";11import { IKeyringPair } from "@polkadot/types/types";12import { Keyring } from "@polkadot/api";13import { ApiTypes, SubmittableExtrinsic } from "@polkadot/api/types";14import { BigNumber } from 'bignumber.js';15import { findUnusedAddress } from './util/helpers'1617const value = 0;18const gasLimit = 3000n * 1000000n;19const endowment = `1000000000000000`;2021function deployBlueprint(alice: IKeyringPair, code: CodePromise): Promise<BlueprintPromise> {22 return new Promise<BlueprintPromise>(async (resolve, reject) => {23 const unsub = await code24 .createBlueprint()25 .signAndSend(alice, (result) => {26 if (result.status.isInBlock || result.status.isFinalized) {27 28 resolve(result.blueprint);29 unsub();30 }31 })32 });33}3435function deployContract(alice: IKeyringPair, blueprint: BlueprintPromise) : Promise<any> {36 return new Promise<any>(async (resolve, reject) => {37 const initValue = true;3839 const unsub = await blueprint.tx40 .new(endowment, gasLimit, initValue)41 .signAndSend(alice, (result) => {42 if (result.status.isInBlock || result.status.isFinalized) {43 unsub();44 resolve(result);45 }46 }); 47 });48}4950async function prepareDeployer(api: ApiPromise) {51 52 const deployer = await findUnusedAddress(api);5354 55 const keyring = new Keyring({ type: 'sr25519' });56 const alice = keyring.addFromUri(`//Alice`);57 let amount = new BigNumber(endowment);58 amount = amount.plus(1e15);59 const tx = api.tx.balances.transfer(deployer.address, amount.toFixed());60 await submitTransactionAsync(alice, tx);6162 return deployer;63}6465describe('Contracts smoke test', () => {66 it(`Can deploy smart contract Flipper, instantiate it and call it's get and flip messages.`, async () => {67 await usingApi(async api => {68 const deployer = await prepareDeployer(api);69 70 const wasm = fs.readFileSync('./src/flipper/flipper.wasm');71 72 const metadata = JSON.parse(fs.readFileSync('./src/flipper/metadata.json').toString('utf-8'));73 const abi = new Abi(metadata);7475 const code = new CodePromise(api, abi, wasm);7677 const blueprint = await deployBlueprint(deployer, code);78 const contract = (await deployContract(deployer, blueprint))['contract'];7980 const getFlipValue = async () => {81 const result = await contract.query.get(deployer.address, value, gasLimit);8283 if(!result.result.isSuccess) {84 throw `Failed to get flipper value`;85 }86 return (result.result.asSuccess.data[0] == 0x00) ? false : true;87 }8889 const initialGetResponse = await getFlipValue();90 expect(initialGetResponse).to.be.true;9192 const flip = contract.exec('flip', value, gasLimit);93 await submitTransactionAsync(deployer, flip);9495 const afterFlipGetResponse = await getFlipValue();9697 expect(afterFlipGetResponse).to.be.false;98 });99 });100101 it.skip('Can transfer balance using smart contract.', async () => {102 await usingApi(async api => {103 104 105 106107 108 109110 111112 113114 115 116 117 118119 120 121122 123124 125 126 });127 })128});