Update helpers to modern api, demo net
This commit is contained in:
Ethan Frey
@@ -1,101 +1,100 @@
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/* eslint-disable @typescript-eslint/camelcase */
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import {
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logs
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} from "@cosmwasm/sdk";
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import { FeeTable } from "@cosmwasm/sdk/types/signingcosmwasmclient";
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import axios from "axios";
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import * as fs from "fs";
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const defaultHttpUrl = "http://localhost:1317";
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const defaultNetworkId = "testing";
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const defaultFee: types.StdFee = {
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amount: [
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{
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amount: "5000",
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denom: "ucosm",
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},
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],
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gas: "890000",
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interface Options {
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httpUrl: string;
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networkId: string;
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feeToken: string;
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gasPrice: number;
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bech32prefix: string;
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};
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const faucetMnemonic =
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"economy stock theory fatal elder harbor betray wasp final emotion task crumble siren bottom lizard educate guess current outdoor pair theory focus wife stone";
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const faucetAddress = "cosmos1pkptre7fdkl6gfrzlesjjvhxhlc3r4gmmk8rs6";
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const pen = await Secp256k1Pen.fromMnemonic(faucetMnemonic);
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const client = new RestClient(defaultHttpUrl);
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const networkId = "testing";
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// helper functions
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const instantiateContract = async (initClient: RestClient, initPen: Secp256k1Pen, codeId: number, msg: object, transferAmount?: types.Coin[]): Promise<string> => {
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const memo = "Create an ERC20 instance";
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const sender = pubkeyToAddress({ "type": types.pubkeyType.secp256k1, "value": toBase64(initPen.pubkey)}, "cosmos");
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const instantiateContractMsg = {
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type: "wasm/instantiate",
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value: {
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sender: sender,
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code_id: codeId.toString(),
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init_msg: msg,
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init_funds: transferAmount || [],
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},
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};
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const account = (await initClient.authAccounts(faucetAddress)).result.value;
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const signBytes = makeSignBytes([instantiateContractMsg], defaultFee, networkId, memo, account);
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const signature = await initPen.sign(signBytes);
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const signedTx = {
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msg: [instantiateContractMsg],
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fee: defaultFee,
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memo: memo,
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signatures: [signature],
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};
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const result = await initClient.postTx(signedTx);
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if (result.code) {
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throw new Error(`Failed tx: (${result.code}): ${result.raw_log}`)
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}
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const instantiationLogs = logs.parseLogs(result.logs);
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const contractAddress = logs.findAttribute(instantiationLogs, "message", "contract_address").value;
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return contractAddress;
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const defaultOptions: Options = {
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httpUrl: "https://lcd.demo-07.cosmwasm.com",
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networkId: "testing",
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feeToken: "ucosm",
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gasPrice: 0.025,
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bech32prefix: "cosmos",
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}
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// helper functions
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const executeContract = async (execClient: RestClient, execPen: Secp256k1Pen, contractAddr: string, msg: object, transferAmount?: types.Coin[]): Promise<readonly logs.Log[]> => {
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const memo = "Create an ERC20 instance";
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const sender = pubkeyToAddress({ "type": types.pubkeyType.secp256k1, "value": toBase64(execPen.pubkey)}, "cosmos");
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const instantiateContractMsg = {
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type: "wasm/execute",
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value: {
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sender: sender,
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contract: contractAddr,
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msg: msg,
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sent_funds: transferAmount || [],
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},
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const defaultFaucetUrl = "https://faucet.demo-07.cosmwasm.com/credit";
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const buildFeeTable = (feeToken: string, gasPrice: number): FeeTable => {
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const stdFee = (gas: number, denom: string, price: number) => {
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const amount = Math.floor(gas * price);
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return {
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amount: [{ amount: amount.toString(), denom: denom }],
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gas: gas.toString(),
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}
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};
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const account = (await execClient.authAccounts(faucetAddress)).result.value;
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const signBytes = makeSignBytes([instantiateContractMsg], defaultFee, networkId, memo, account);
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const signature = await execPen.sign(signBytes);
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const signedTx = {
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msg: [instantiateContractMsg],
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fee: defaultFee,
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memo: memo,
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signatures: [signature],
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};
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const result = await execClient.postTx(signedTx);
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if (result.code) {
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throw new Error(`Failed tx: (${result.code}): ${result.raw_log}`)
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return {
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upload: stdFee(1000000, feeToken, gasPrice),
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init: stdFee(500000, feeToken, gasPrice),
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exec: stdFee(200000, feeToken, gasPrice),
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send: stdFee(80000, feeToken, gasPrice),
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}
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const execLogs = logs.parseLogs(result.logs);
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return execLogs;
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};
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// TODO: hit faucet
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// if (config.faucetUrl) {
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// const acct = await client.getAccount();
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// if (!acct?.balance?.length) {
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// await ky.post(config.faucetUrl, { json: { ticker: "COSM", address } });
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// }
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// }
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const penAddress = (pen: Secp256k1Pen, prefix: string): string => {
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const pubkey = encodeSecp256k1Pubkey(pen.pubkey);
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return pubkeyToAddress(pubkey, prefix);
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}
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const connect = async (mnemonic: string, opts: Partial<Options>): Promise<{
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client: SigningCosmWasmClient,
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address: string,
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}> => {
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const options: Options = {...defaultOptions, ...opts};
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const feeTable = buildFeeTable(options.feeToken, options.gasPrice);
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const pen = await Secp256k1Pen.fromMnemonic(mnemonic);
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const address = penAddress(pen, options.bech32prefix);
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const client = new SigningCosmWasmClient(options.httpUrl, address, signBytes => pen.sign(signBytes), feeTable);
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return {client, address};
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};
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// smartQuery assumes the content is proper JSON data and parses before returning it
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const smartQuery = async (client: RestClient, addr: string, query: object): Promise<any> => {
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const smartQuery = async (client: CosmWasmClient, addr: string, query: object): Promise<any> => {
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const bin = await client.queryContractSmart(addr, query);
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return JSON.parse(fromUtf8(bin));
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}
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// loadOrCreateMnemonic will try to load a mnemonic from the file.
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// If missing, it will generate a random one and save to the file.
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//
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// This is not secure, but does allow simple developer access to persist a
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// mnemonic between sessions
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const loadOrCreateMnemonic = (filename: string): string => {
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try {
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const mnemonic = fs.readFileSync(filename, "utf8");
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return mnemonic;
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} catch (err) {
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const mnemonic = Bip39.encode(Random.getBytes(16)).toString();
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fs.writeFileSync(filename, mnemonic, "utf8");
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return mnemonic;
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}
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}
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const randomAddress = async (): Promise<string> => {
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const hitFaucet = async (faucetUrl: string, address: string, ticker: string): Promise<void> => {
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const r = await axios.post(defaultFaucetUrl, { ticker, address });
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console.log(r.status);
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console.log(r.data);
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}
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const randomAddress = async (prefix: string): Promise<string> => {
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const mnemonic = Bip39.encode(Random.getBytes(16)).toString();
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const randomPen = await Secp256k1Pen.fromMnemonic(mnemonic);
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const pubkey = encodeSecp256k1Pubkey(randomPen.pubkey);
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return pubkeyToAddress(pubkey, "cosmos");
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const pen = await Secp256k1Pen.fromMnemonic(mnemonic);
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const pubkey = encodeSecp256k1Pubkey(pen.pubkey);
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return pubkeyToAddress(pubkey, prefix);
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}
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