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run-swap-zano.js
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run-swap-zano.js
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/**
* swap.js - cross-chain atomic swap manager for the Bitcoin and Zano
* Copyright (c) 2021, Zano developers (MIT License)
* https://github.com/hyle-team/zano
*
* Based on the code provided in https://github.com/pinheadmz/swap-test
* and article https://bcoin.io/guides/swaps.html
*/
'use strict';
// Requirements
const {base58} = require('bstring');
const SwapEntityZano = require('../lib/swap_zano');
const SwapEntityBTC = require('../lib/swap_btc');
class SwapBundle{
constructor() {
this.btc = new SwapEntityBTC();
this.zano = new SwapEntityZano();
}
}
function sleep(ms)
{
return new Promise(resolve => setTimeout(resolve, ms));
}
async function perform_swap()
{
const partyAlice = new SwapBundle();
const partyBob = new SwapBundle();
await partyAlice.btc.init('primary', "", 'default');
await partyBob.btc.init('wallet_2', "12345", 'default');
await partyAlice.zano.init(12335); //Alice's zano wallet instance running on port 12335
await partyBob.zano.init(12334); //Bob's's zano wallet instance running on port 12334
const amount_btc = 1000;
const amount_zano = 1000000000000;
const swap_time_btc = 60*60*2; //seconds, 2 hour for swap
const swap_time_zano = 60; //blocks, 1 block per minutes, 1 hour
//Generate a secrete for Aclice
const alice_secret = partyAlice.btc.getSecret();
console.log("Secrete.hash: " + alice_secret.hash.toString('hex'));
//Preparation step:
//needed to make Bob's watch only wallet already initiated to catch next step transaction "on the fly"
await partyBob.btc.prepare_htlc_watchonly_address(alice_secret.hash, swap_time_btc, partyAlice.btc.get_public_key());
console.log("[ALICE]: CREATING HTLC IN BTC NTEWORK FOR BOB....");
const res_alice_sent_htlc = await partyAlice.btc.send_htlc(partyBob.btc.get_public_key(), amount_btc, swap_time_btc, alice_secret.hash);
console.log("[ALICE]: CREATED, txid:" + JSON.stringify(res_alice_sent_htlc.txid));
console.log("[BOB]: CHECKING BTC HTLC CONFIRMED....");
var sleep_count = 0;
let check_res = undefined;
while(true)
{
check_res = await partyBob.btc.check_htlc_proposed();
if(check_res !== undefined && check_res.txid !== undefined)
{
break;
}
console.log("Sleeping..." + sleep_count);
sleep_count += 1;
await sleep(1000);
}
console.log("[BOB]: CONFIRMED(" + check_res.txid.toString('hex') + ")");
// ------ SKIP ------
// Bob make sure amount corresponds to agreed
// ------------------
console.log("[BOB]: CREATING HTLC IN ZANO NTEWORK FOR ALICE.....");
const bob_send_htlc_res = await partyBob.zano.send_htlc(await partyAlice.zano.get_address(), amount_zano, swap_time_zano, alice_secret.hash);
console.log("[BOB]: CREATED, txid: " + JSON.stringify(bob_send_htlc_res.result.result_tx_id));
console.log("[ALICE]: CHECKING ZANO HTLC CONFIRMED....");
let alice_check_res = undefined;
sleep_count = 0;
while(true)
{
alice_check_res = await partyAlice.zano.check_htlc_proposed(await partyBob.zano.get_address(), alice_secret.hash);
if(alice_check_res !== undefined && alice_check_res.found !== undefined && alice_check_res.found === true)
{
break;
}
console.log("Sleeping..." + sleep_count);
sleep_count += 1;
await sleep(1000);
}
console.log("[ALICE]: CONFIRMED: txid" + alice_check_res.info.tx_id);
// ------ SKIP ------
// Alice make sure amount corresponds to agreed
// ------------------
console.log("[ALICE]: REDEEM ZANO HTLC...");
const alice_redeem_res = await partyAlice.zano.redeem_htlc(alice_check_res.info.tx_id, alice_secret.secret);
console.log("[ALICE]: REDEEM RESULT: txid" + alice_redeem_res.result.result_tx_id);
console.log("[BOB]: CHECK IS ZANO HTLC REDEEMED....");
let bob_check_redeemed_res = undefined;
sleep_count = 0;
while(true)
{
bob_check_redeemed_res = await partyBob.zano.check_htlc_redeemed(bob_send_htlc_res.result.result_tx_id);
if(bob_check_redeemed_res.result !== undefined
&& bob_check_redeemed_res.result.origin_secrete_as_hex !== undefined
&& bob_check_redeemed_res.result.origin_secrete_as_hex !== ''
)
{
break;
}
console.log("Sleeping..." + sleep_count);
sleep_count += 1;
await sleep(1000);
}
console.log("[BOB]: CHECK IS ZANO HTLC REDEEMED. txid: " + bob_check_redeemed_res.result.redeem_tx_id);
console.log("[BOB]: REDEEMING BTC HTLC.....");
const bob_redeem_res = await partyBob.btc.redeem_htlc(check_res.fundingTx, bob_check_redeemed_res.result.origin_secrete_as_hex, check_res.fundingOutput, swap_time_btc, partyAlice.btc.get_public_key());
if(bob_redeem_res.txid === undefined)
{
console.log("[BOB]: ERROR");
process.exit(0);
}
console.log("[BOB]: DONE");
console.log("SWAP SUCCESSFULLY DONE");
process.exit(1);
}
async function perform_swap_zano_first()
{
const partyAlice = new SwapBundle();
const partyBob = new SwapBundle();
await partyAlice.btc.init('primary', "", 'default');
await partyBob.btc.init('wallet_2', "12345", 'default');
await partyAlice.zano.init(12335); //Alice's zano wallet instance running on port 12335
await partyBob.zano.init(12334); //Bob's's zano wallet instance running on port 12334
const amount_btc = 1000;
const amount_zano = 1000000000000;
const swap_time_btc = 60*60*2; //seconds, 2 hour for swap
const swap_time_zano = 60; //blocks, 1 block per minutes, 1 hour
//in this scenario we don't need to generate secrete as a separate step,
//Zano walet will generate this secret automatically in a deterministic way
console.log("[BOB]: CREATING HTLC IN ZANO NTEWORK FOR ALICE.....");
const bob_send_htlc_res = await partyBob.zano.send_htlc(await partyAlice.zano.get_address(), amount_zano, swap_time_zano, "0000000000000000000000000000000000000000000000000000000000000000");
console.log("[BOB]: CREATED, \n"
+ "txid: " + bob_send_htlc_res.result.result_tx_id + "\n"
+ "generated_origin(secret): " + bob_send_htlc_res.result.derived_origin_secret_as_hex
);
console.log("[ALICE]: CHECKING ZANO HTLC CONFIRMED....");
let alice_check_res = undefined;
sleep_count = 0;
while(true)
{
alice_check_res = await partyAlice.zano.check_htlc_proposed(await partyBob.zano.get_address());
if(alice_check_res !== undefined && alice_check_res.found !== undefined && alice_check_res.found === true)
{
break;
}
console.log("Sleeping..." + sleep_count);
sleep_count += 1;
await sleep(1000);
}
console.log("[ALICE]: CONFIRMED: txid" + alice_check_res.info.tx_id);
// ------ SKIP ------
// Alice make sure amount corresponds to agreed
// ------------------
//Preparation step:
//needed to make Bob's watch only wallet already initiated to catch next step transaction "on the fly"
await partyBob.btc.prepare_htlc_watchonly_address(alice_check_res.info.sha256_hash, swap_time_btc, partyAlice.btc.get_public_key());
console.log("[ALICE]: CREATING HTLC IN BTC NTEWORK FOR BOB....");
const res_alice_sent_htlc = await partyAlice.btc.send_htlc(partyBob.btc.get_public_key(), amount_btc, swap_time_btc, alice_check_res.info.sha256_hash);
console.log("[ALICE]: CREATED, txid:" + JSON.stringify(res_alice_sent_htlc.txid));
console.log("[BOB]: CHECKING BTC HTLC CONFIRMED....");
var sleep_count = 0;
let check_res = undefined;
while(true)
{
check_res = await partyBob.btc.check_htlc_proposed();
if(check_res !== undefined && check_res.txid !== undefined)
{
break;
}
console.log("Sleeping..." + sleep_count);
sleep_count += 1;
await sleep(1000);
}
console.log("[BOB]: CONFIRMED(" + check_res.txid.toString('hex') + ")");
// ------ SKIP ------
// Bob make sure amount corresponds to agreed
// ------------------
//Preparation step:
//needed to make Alices watch only wallet already initiated to catch next step transaction "on the fly"
await partyAlice.btc.prepare_htlc_watchonly_address(alice_check_res.info.sha256_hash, swap_time_btc, partyBob.btc.get_public_key(), true);
console.log("[BOB]: REDEEMING BTC HTLC.....");
const bob_redeem_res = await partyBob.btc.redeem_htlc(check_res.fundingTx, bob_send_htlc_res.result.derived_origin_secret_as_hex, check_res.fundingOutput, swap_time_btc, partyAlice.btc.get_public_key());
if(bob_redeem_res.txid === undefined)
{
console.log("[BOB]: ERROR");
process.exit(0);
}
console.log("[BOB]: REDEEMED OK, txid: " + bob_redeem_res.txid);
console.log("[ALICE]: CHECKING BTC HTLC REDEEMED....");
sleep_count = 0;
check_res = undefined;
while(true)
{
check_res = await partyAlice.btc.check_htlc_redeemed();
if(check_res !== undefined && check_res.txid !== undefined)
{
break;
}
console.log("Sleeping..." + sleep_count);
sleep_count += 1;
await sleep(10000);
}
console.log("[Alice]: HTLC REDEEMED(" + check_res.txid.toString('hex') + ", secrete: " + check_res.secret.toString('hex') + ")");
console.log("[ALICE]: REDEEM ZANO HTLC...");
const alice_redeem_res = await partyAlice.zano.redeem_htlc(alice_check_res.info.tx_id, check_res.secret);
console.log("[ALICE]: REDEEM RESULT: txid" + alice_redeem_res.result.result_tx_id);
console.log("SWAP SUCCESSFULLY DONE");
process.exit(1);
}
perform_swap_zano_first();