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iov-connect

Integrating iov-core and wallet-connect

Installation

yarn install
# testing will also compile the ts files
yarn test

Interactive Usage

In two terminals, run the following command: yarn cli

You can look deeper into the iov-cli documentation and some example scripts in iov-core. I wrote some opinionated higher-level helpers to make the cli usage a little less typing, which are in wallet.ts.

One issue with the cli tool is the import base path is not pwd but somewhere inside the iov-cli source code, so to import custom additions, you need to use absolute filesystem paths. Run pwd in your terminal and replace PWD in all the following code with that value. I assume that pwd is set to the root directory of this project (same dir as this README file)

Terminal One

import { antnet, connect, createWallet, disconnect, ensureWalletFunds, pprint, signAndCommit } from "PWD/src/wallet";
// eg. ... from "/home/ethan/js/iov-connect/src/wallet";

const wallet = await createWallet();
const conn = await connect(wallet);
const {address, mnemonic} = wallet;
pprint({address, mnemonic})

const acct = await ensureWalletFunds(conn);
pprint(acct);

Terminal Two

import { antnet, connect, createWallet, disconnect, ensureWalletFunds, pprint, signAndCommit } from "PWD/src/wallet";
// eg. ... from "/home/ethan/js/iov-connect/src/wallet";

const wallet = await createWallet();
const conn = await connect(wallet);
const {address, mnemonic} = wallet;
pprint({address, mnemonic})

// Do not get funds... show there is no account (following should return `undefined`)
let acct = await conn.query.getAccount({ address: conn.address });
pprint(acct)

Terminal One

In the following code, replace RCPT with the address printed out on terminal two

import {WithCreator} from "@iov/bcp";

.editor
const sendTx: SendTransaction & WithCreator = {
  kind: "bcp/send",
  creator: conn.id,
  sender: conn.address,
  recipient: RCPT as Address,
  // eg. recipient: "tiov1al220ezg72x85vzn3e7t6qw9vt80xntpuu5fx3" as Address,
  memo: "iov-cli demo",
  amount: { // 1.234 IOV (9 sig figs in tx codec)
    quantity: '1234000000',
    fractionalDigits: 9,
    tokenTicker: antnet.token,
  },
};
^D
const response = await signAndCommit(conn, sendTx)
pprint(response)

Terminal Two

Go back to terminal two to ensure the funds have arrived

// remember this was undefined before
acct = await conn.query.getAccount({ address: conn.address });
pprint(acct)

// let's find that same transaction again....
const txs = await conn.query.searchTx({sentFromOrTo: conn.address});
txs.length // should be 1
txs

Compare the transactionId and height with the results you got on the other terminal. They should be the same. You can also try listenTx to get a stream of updates as new transactions come in, or liveTx to produce a stream of all existing and new transactions.