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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>IBC Reference UI</title>
<script src="https://code.jquery.com/jquery-3.6.0.min.js" crossorigin="anonymous"></script>
<script src="https://unpkg.com/[email protected]/lib/anchor-link.bundle.js"></script>
<script src="https://unpkg.com/[email protected]/lib/anchor-link-browser-transport.bundle.js"></script>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-gH2yIJqKdNHPEq0n4Mqa/HGKIhSkIHeL5AyhkYV8i59U5AR6csBvApHHNl/vI1Bx" crossorigin="anonymous">
</head>
<body style="max-width:640px;margin:40px auto;">
<div class="container" style="border:1px solid #64646d;padding:24px;">
<h3 class="text-center">IBC DEMO</h3>
<div class="flexRow" style="margin-top:24px;">
<select onchange="chainChanged()" class="form-select chainSelect" id="sourceChain">
<option value="" disabled selected>Select Source Chain</option>
</select>
<select onchange="chainChanged()" class="form-select chainSelect" id="destinationChain">
<option value="" disabled selected>Select Destination Chain</option>
</select>
</div>
<div class="flexRow" style="margin-top:24px;">
<button style="display:none;" id="sourceLogin" onclick="login('source')" type="button" class="btn btn-success">Login</button>
<button style="display:none;" id="sourceLogout" onclick="logout('source')" type="button" class="btn btn-danger">Logout</button>
<button style="display:none;" id="destinationLogin" onclick="login('destination')" type="button" class="btn btn-success">Login</button>
<button style="display:none;" id="destinationLogout" onclick="logout('destination')" type="button" class="btn btn-danger">Logout</button>
</div>
<hr>
<div class="flexRow" style="margin-top:48px;">
<div class="input-group" style="width:260px;">
<input id="amount" placeholder="Amount" min="0.0001" step="0.0001" type="number"class="form-control"></input>
<div class="input-group-prepend">
<select style="width:120px;" class="form-select tokenSelect" id="sourceAsset">
<option value="" disabled selected>Token</option>
</select>
</div>
</div>
<button id="transferBtn" onclick="transfer()" disabled type="button" class="btn btn-primary">Transfer and Prove</button>
</div>
<div class="box"><section id="status">
<div><div>Fetching tokens available for IBC</div><div class="progressDiv">0%</div></div>
</section></div>
<div style="text-align:center;margin-top:24px;"><button id="resetBtn" onclick="reset()" style="display:none;" type="button" class="btn btn-primary">New Transfer</button></div>
</div>
</body>
<script>
/*
Chain settings (change to connect to different infrastructure)
- nodeUrl: Nodeos API
- txExplorer: TX Explorer prefix
- proofSocket: IBC Proof WS Server
- bridgeContract: Name of account where IBC contract is deployed
- wrapLockContractsArray: Array of the account names of desired wrap lock contracts
*/
const chainIds = new Map([
["kylin", "5fff1dae8dc8e2fc4d5b23b2c7665c97f9e9d8edf2b6485a86ba311c25639191"],
["jungle4", "73e4385a2708e6d7048834fbc1079f2fabb17b3c125b146af438971e90716c4d"],
["waxtest", "f16b1833c747c43682f4386fca9cbb327929334a762755ebec17f6f23c9b8a12"],
])
const chains = ["waxtest", "jungle", "kylin"].map(chain => {
return {
chainId: chainIds.get(chain),
nodeUrl: `https://${chain}.api.eosnation.io`,
name: chain,
label: chain,
txExplorer: `https://${chain}.eosq.eosnation.io/tx`,
proofSocket: `wss://${chain}-ibc43.mar.eosn.io:7788`,
bridgeContract: 'antelopeibc2',
wrapLockContractsArray: ["antelopewlk1", "antelopewlk2"],
version: 3.1
}
})
for (var chain of chains){
chain.session = null;
chain.symbols = null;
chain.auth = null;
chain.wrapLockContracts = [];
}
let sourceChain, destinationChain, tokenRow, fetchProgress=0,progressInterval;
fetchTokens();
async function fetchTokens(){
//fetch wraplock contracts tokens & details
let promises = [];
let allWraplockContracts = []
//get global and contractmap rows from each chain
for (var chain of chains) for (var wrapLockContract of chain.wrapLockContractsArray) {
allWraplockContracts.push(wrapLockContract);
promises.push(
$.post(`${chain.nodeUrl}/v1/chain/get_table_rows`, JSON.stringify({ json: true, code: wrapLockContract, scope: wrapLockContract, table: 'global'})),
$.post(`${chain.nodeUrl}/v1/chain/get_table_rows`, JSON.stringify({ json: true, code: wrapLockContract, scope: wrapLockContract, table: 'contractmap'}))
)
}
const initialResults = (await Promise.all(promises)).map(r=>r.rows);
fetchProgress+=50;
$('.progressDiv').last().html(fetchProgress+"%");
let groupedResults = [];
while(initialResults.length > 2) groupedResults.push(initialResults.splice(0, 2));
let tokenPromises = []
for (var result of groupedResults){
const global = result[0][0];
const contractMaps = result[1];
for (var map of contractMaps){
const chain = chains.find(c=>c.chainId === global.chain_id);
if (!chain) continue;
tokenPromises.push($.post(`${chain.nodeUrl}/v1/chain/get_table_by_scope`, JSON.stringify({ code: map.native_token_contract, table: 'stat'})))
}
}
const tokenResults = await Promise.all(tokenPromises);
let tokenResultsIndex = 0;
for (var result of groupedResults){
const global = result[0][0];
const contractMaps = result[1];
for (var map of contractMaps){
const chain = chains.find(c=>c.chainId === global.chain_id);
const pairedChain = chains.find(c=>c.chainId === global.paired_chain_id);
if (!chain) continue;
let symbolsres = tokenResults[tokenResultsIndex];
let symbols = symbolsres.rows.map(r => toName(nameToUint64(r.scope)));
console.log(`${chain.name} -> ${pairedChain.name} tokens: ${symbols}`)
chain.wrapLockContracts.push({
chain_id: global.chain_id,
wrapLockContract: allWraplockContracts[tokenResultsIndex],
nativeTokenContract: map.native_token_contract,
pairedChainId: global.paired_chain_id,
pairedWrapTokenContract: map.paired_wraptoken_contract,
symbols
});
tokenResultsIndex++;
}
}
console.log("chains",chains)
$('.progressDiv').last().html("100%");
//on DOM ready
$(async function() {
//add chain options to chain select elements
for (var chain of chains) {
$('#sourceChain').append(new Option(chain.label, chain.name));
$('#destinationChain').append(new Option(chain.label, chain.name));
}
});
}
//handler for source chain change
const chainChanged = () =>{
//clear Token select options
$('#sourceAsset').find('option').remove().end();
$('#sourceAsset').find('optgroup').remove().end();
let sourceName = $('#sourceChain').val();
let destinationName = $('#destinationChain').val();
sourceChain = chains.find(c=>c.name == sourceName);
destinationChain = chains.find(c=>c.name == destinationName);
if (sourceName === destinationName || !destinationName){
destinationChain = chains.find(c=>c.name !== sourceName);
$("#destinationChain").val(destinationChain.name);
}
$('#status').html("<div><div>Fetching tokens available for IBC</div><div class='progressDiv'>100%</div></div>");
logout("source");
logout("destination");
// $('#sourceLogin').show();
// $('#destinationLogin').show();
let id = 1, nativeList = [], wrappedList = [];
for (var row of sourceChain.wrapLockContracts.filter(r=>r.pairedChainId ==destinationChain.chainId)) for (var symbol of row.symbols) {
nativeList.push({ ...row, id, symbol, sourceTokenContract: row.nativeTokenContract, destinationTokenContract: row.pairedWrapTokenContract, native: true });
id++;
}
nativeList = nativeList.sort((a, b) => (a.symbol > b.symbol ? 1 : -1));
id = 1000;
for (var row of destinationChain.wrapLockContracts.filter(r=>r.pairedChainId ==sourceChain.chainId)) for (var symbol of row.symbols) {
wrappedList.push({ ...row, id, symbol, sourceTokenContract: row.pairedWrapTokenContract, destinationTokenContract: row.nativeTokenContract, native: false });
id++;
}
wrappedList = wrappedList.sort((a, b) => (a.symbol > b.symbol ? 1 : -1));
sourceChain.symbols = [...nativeList, ...wrappedList];
//set Token select options
let optionsHtml = `<optgroup label="Native">`
for (var r of sourceChain.symbols.filter(r=>r.native)) optionsHtml+=`<option value=${r.id}>${r.symbol}</option>`;
optionsHtml+=`</optgroup><optgroup label="Wrapped">`;
for (var r of sourceChain.symbols.filter(r=>!r.native)) optionsHtml+=`<option value=${r.id}>${r.symbol}</option>`;
optionsHtml+=`</optgroup>`;
$('#sourceAsset').append(optionsHtml);
}
//UI functions
const login = type => {
const chain = chains.find(c=>c.name===$(`#${type}Chain`).val());
const link = new AnchorLink({
transport: new AnchorLinkBrowserTransport(),
chains: [{ chainId: chain.chainId, nodeUrl: chain.nodeUrl}]
})
link.login("IBC")
.then((result) => {
chain.session = result.session;
chain.auth = { actor:chain.session.auth.actor.toString(), permission: chain.session.auth.permission.toString()}
$(`#${type}Login`).hide();
$(`#${type}Logout`).text(`Logout ${chain.auth.actor}@${chain.auth.permission}`);
$(`#${type}Logout`).show();
$(`#${type}Chain`).prop('disabled', true);
$(`#transferBtn`).prop('disabled', chains.filter(r=>[sourceChain.name, destinationChain.name].includes(r.name)).map(r=>r.session).includes(null));
})
.catch(ex=> alert(ex));
}
const logout = type => {
const chain = chains.find(c=>c.name===$(`#${type}Chain`).val());
$(`#${type}Logout`).hide();
$(`#${type}Login`).show();
$(`#${type}Chain`).prop('disabled', false);
$(`#transferBtn`).prop('disabled', true);
if (!chain || !chain.session) return;
chain.session?.remove();
chain.session = null;
chain.auth = null;
}
const lock = () => {
$(`#transferBtn`).prop('disabled', true);
$(`#sourceLogout`).prop('disabled', true);
$(`#destinationLogout`).prop('disabled', true);
$(`#sourceAsset`).prop('disabled', true);
$(`#amount`).prop('disabled', true);
}
const reset = () =>{
$('#resetBtn').hide();
$('#status').html("<div><div>Fetching tokens available for IBC</div><div class='progressDiv'>100%</div></div>");
$(`#transferBtn`).prop('disabled', false);
$(`#sourceLogout`).prop('disabled', false);
$(`#destinationLogout`).prop('disabled', false);
$(`#sourceAsset`).prop('disabled', false);
$(`#amount`).prop('disabled', false);
// logout('destination');
// logout('source');
}
//transfer function to lock or retire tokens
const transfer = async () => {
//get values form UI
tokenRow = sourceChain.symbols.find(r=>r.id===parseInt($('#sourceAsset').val()));
let amount = parseFloat($("#amount").val());
//fetch token decimal places from native chain
const statChain = chains.find(r=>r.chainId===tokenRow.chain_id);
const statResult = await $.post(`${statChain.nodeUrl}/v1/chain/get_table_rows`, JSON.stringify({
json: true,
code: tokenRow.nativeTokenContract,
scope: tokenRow.symbol,
table: 'stat',
limit:1
}))
const decimals = statResult.rows[0].supply.split('.')[1].split(' ')[0].length;
console.log("decimals",decimals)
const quantity = `${amount.toFixed(decimals)} ${tokenRow.symbol}`;
let sourceActions;
if (tokenRow.native) sourceActions = [ transferToken({ tokenRow, sourceChain, destinationChain, quantity })]; //transfer token to the wraplock token
else sourceActions = [ retireWrappedToken({ tokenRow, sourceChain, destinationChain, quantity }) ]; //retire tokens from a non-native chain
console.log("sourceActions",sourceActions)
lock();
//sign tx w/o broadcasting
let signedTx;
try{
console.log("sourceActions",sourceActions)
signedTx = await sourceChain.session.transact({actions: sourceActions}, {broadcast:false, expireSeconds:360, blocksBehind:3});
console.log("signedTx",signedTx)
}catch(ex){
$('#resetBtn').show();
console.log("ex", ex)
$('#status').append("<br>");
$('#status').append(ex);
return
}
$('#status').append(`<div><div>Waiting for TX irreversibility <span id="lockTx" style="margin-left:12px"></span></div><div class="progressDiv">0%</div></div>`);
let prog = 0;
progressInterval = setInterval(()=>{
prog = Math.min(prog +1, 100);
$('.progressDiv').last().html(prog +"%");
}, 1700);
submitTx(signedTx, sourceChain ).then( async result => {
clearInterval(progressInterval); //clear progress interval
$('.progressDiv').last().html("100%");
$('#lockTx').html(`<a target="_blank" style="color:#1a8754" href="${sourceChain.txExplorer}/${result.processed.id}">${tokenRow.native?'Lock TX':'Retire TX'}<a>`)
console.log(result) // processed tx of transfer/retire
let emitxferAction = result.processed.action_traces.find(r=>r.act.name==='emitxfer'); //if flattened traces (using send_transaction)
if (!emitxferAction){ //if api returns inline traces within action_trace (using push_transaction) shouldnt be used now
const lockActionTrace = result.processed.action_traces.find(r=>r.act.name==='transfer' || r.act.name==='retire');
emitxferAction = lockActionTrace.inline_traces.find(r=>r.act.name==='emitxfer');
console.log("!!!!!!!!!!!!!!!Shouldn't happen!!!!!!!!!!!!!!!!")
}
console.log("emitxferAction to prove", emitxferAction);
//Get schedule proofs;
const scheduleProofs = await getScheduleProofs(result.processed.block_num);
console.log("scheduleProofs",scheduleProofs)
if (!scheduleProofs) {
$('#resetBtn').show();
return $('#status').append(`<div><div>Error, no schedule proofs</div><div class="progressDiv"></div></div>`);
}
$('#status').append(`<div><div>Fetching proof for interchain transfer</div><div class="progressDiv">0%</div></div>`);
const emitxferProof = await getProof({
type: "heavyProof",
action: emitxferAction,
block_to_prove: result.processed.block_num //block that includes the emitxfer action we want to prove
});
console.log("emitxferProof",emitxferProof)
//submit proof to destination chain's bridge contract
let destinationActions = [...scheduleProofs, emitxferProof];
console.log("destinationActions",destinationActions)
$('#status').append(`<div><div>Submitting proof(s)<span id="proofTx" style="margin-left:12px"></span></div> <div class="progressDiv">0%</div></div>`);
const signedDestinationTx = await destinationChain.session.transact({actions: destinationActions}, {broadcast:false, expireSeconds:360, blocksBehind:3});
$('.progressDiv').last().html("50%");
if (!signedDestinationTx || !signedDestinationTx.signatures) return $('#status').append(`<div>Error signing TX</div>`);
submitTx(signedDestinationTx, destinationChain, 6 ).then( async result => {
$('.progressDiv').last().html("100%");
console.log("result", result);
$('#proofTx').html(`<a target="_blank" style="color:#1a8754" href="${destinationChain.txExplorer}/${result.processed.id}">Proof TX<a>`)
$('#resetBtn').show();
}).catch(async err=>{
$('.progressDiv').last().html("Error");
console.log("Error pushing proof", err);
if(progressInterval) clearInterval(progressInterval);
$('#status').append(`<br><div>Error submitting proof(s): </div>`);
$('#status').append(`${err.responseJSON.error.details[0].message}</div>`);
$('#resetBtn').show();
})
})
.catch(err2=>{
console.log("Error submitting TX", err2);
if(progressInterval) clearInterval(progressInterval);
$('#status').append(`<br><div>Error submitting TX: </div>`);
$('#status').append(`${err2.responseJSON.error.details[0].message}</div>`);
$('#resetBtn').show();
})
}
const getScheduleProofs = async (transferBlock) => {
async function getProducerScheduleBlock(blocknum) {
try{
const sourceAPIURL = sourceChain.nodeUrl+"/v1/chain";
var header = await $.post(sourceAPIURL + "/get_block", JSON.stringify({"block_num_or_id":blocknum,"json": true}));
let target_schedule = header.schedule_version;
let min_block = 2;
//fetch last proved block to use as min block for schedule change search
const lastBlockProved = await $.post(destinationChain.nodeUrl+ '/v1/chain/get_table_rows', JSON.stringify({
code: destinationChain.bridgeContract,
table: "lastproofs",
scope: sourceChain.name,
limit: 1, reverse: true, show_payer: false, json: true
}));
if (lastBlockProved && lastBlockProved.rows[0]) min_block = lastBlockProved.rows[0].block_height;
let max_block = blocknum;
//detect active schedule change
while (max_block - min_block > 1) {
blocknum = Math.round((max_block + min_block) / 2);
try{
header = await $.post(sourceAPIURL + "/get_block", JSON.stringify({"block_num_or_id":blocknum,"json": true}));
if (header.schedule_version < target_schedule) min_block = blocknum;
else max_block = blocknum;
}catch(ex){console.log("Internet connection lost, retrying")}
}
if (blocknum > 337) blocknum -= 337;
//search before active schedule change for new_producer_schedule
let bCount = 0; //since header already checked once above
while (blocknum < max_block && (!("new_producer_schedule" in header) && !header.new_producers)) {
try{
header = await $.post(sourceAPIURL + "/get_block", JSON.stringify({"block_num_or_id":blocknum,"json": true}));
bCount++;
blocknum++;
}catch(ex){console.log("Internet connection lost, retrying")}
}
blocknum = header.block_num;
return blocknum;
}catch(ex){ console.log("getProducerScheduleBlock ex",ex); return null;}
}
const proofs = [];
const bridgeScheduleData = await $.post(destinationChain.nodeUrl+ '/v1/chain/get_table_rows', JSON.stringify({
code: destinationChain.bridgeContract,
table: "schedules",
scope: sourceChain.name,
limit: 1, reverse: true, show_payer: false, json: true
}));
console.log("bridgeScheduleData",bridgeScheduleData)
var last_proven_schedule_version = 0;
// if (bridgeScheduleData.rows.length > 0) last_proven_schedule_version = bridgeScheduleData.rows[0].producer_schedule.version;
if (bridgeScheduleData.rows.length > 0) last_proven_schedule_version = bridgeScheduleData.rows[0].version;
if (!last_proven_schedule_version) return console.log('No Schedule Found in Contract!');
console.log("Last proved source schedule:",last_proven_schedule_version);
let schedule = (await $.get(sourceChain.nodeUrl+ '/v1/chain/get_producer_schedule'));
var schedule_version = parseInt(schedule.active.version);
console.log("Source active schedule:",schedule_version);
console.log("Pending schedule:", schedule.pending?'True':'False')
let head = (await $.get(sourceChain.nodeUrl+ '/v1/chain/get_info')).head_block_num;
let schedule_block = head + 0;
console.log("head",head)
while (schedule_version > last_proven_schedule_version) {
$('#status').append(`<div><div>Locating block header with producer schedule (v${schedule_version})</div><div class="progressDiv">0%</div></div>`);
let block_num = await getProducerScheduleBlock(schedule_block);
if (!block_num) return; //should never occur
$('.progressDiv').last().html("100%");
$('#status').append(`<div><div>Fetching proof for active schedule (v${schedule_version})</div><div class="progressDiv">0%</div></div>`);
var proof = await getProof({block_to_prove: block_num});
schedule_version = proof.data.blockproof.blocktoprove.block.header.schedule_version;
schedule_block = block_num;
proofs.unshift(proof);
};
// check for pending schedule and prove pending schedule if found;
if (schedule.pending) {
$('#status').append(`<div><div>Fetching proof for pending schedule</div><div class="progressDiv">0%</div>`);
let newPendingBlockHeader=null;
let currentBlock = transferBlock + 0;
while(!newPendingBlockHeader){
let bHeader = (await $.post(`${sourceChain.nodeUrl}/v1/chain/get_block`, JSON.stringify({ block_num_or_id: currentBlock })));
if (bHeader['new_producer_schedule']) newPendingBlockHeader = bHeader;
else currentBlock--;
}
var pendingProof = await getProof({block_to_prove: newPendingBlockHeader.block_num});
proofs.push(pendingProof); //push pending after proving active
}
return proofs;
};
const getProof = ({type="heavyProof", block_to_prove, action}) => {
return new Promise(resolve=>{
//initialize socket to proof server
const ws = new WebSocket(sourceChain.proofSocket);
ws.addEventListener('open', (event) => {
// connected to websocket server
const query = { type, block_to_prove };
if (action) query.action_receipt = action.receipt;
ws.send(JSON.stringify(query));
});
//messages from websocket server
ws.addEventListener('message', (event) => {
const res = JSON.parse(event.data);
//log non-progress messages from ibc server
if (res.type !=='progress') console.log("Received message from ibc proof server", res);
if (res.type =='progress') $('.progressDiv').last().html(res.progress +"%");
if (res.type !=='proof') return;
ws.close();
$('.progressDiv').last().html("100%");
//handle issue/withdraw if proving transfer/retire 's emitxfer action, else submit block proof to bridge directly (for schedules)
const actionToSubmit = {
authorization: [destinationChain.auth],
name: !action ? "checkproofd" : tokenRow.native ? "issuea" : "withdrawa",
account: !action ? destinationChain.bridgeContract : tokenRow.native ? tokenRow.pairedWrapTokenContract : tokenRow.wrapLockContract,
data: { ...res.proof, prover: destinationChain.auth.actor }
};
//if proving an action, add action and formatted receipt to actionproof object
if (action) {
let auth_sequence = [];
for (var authSequence of action.receipt.auth_sequence) auth_sequence.push({ account: authSequence[0], sequence: authSequence[1] });
actionToSubmit.data.actionproof = {
...res.proof.actionproof,
action: {
account: action.act.account,
name: action.act.name,
authorization: action.act.authorization,
data: action.act.hex_data
},
receipt: { ...action.receipt, auth_sequence }
}
}
resolve(actionToSubmit);
});
});
}
const submitTx = (signedTx, chain, retry_trx_num_blocks=null) => {
let leap = chain.version && chain.version >=3;
let url = `${chain.nodeUrl}/v1/chain/send_transaction`;
let obj = {
signatures: signedTx.signatures,
compression: signedTx.compression || false,
packed_trx: arrayToHex(signedTx.resolved.serializedTransaction),
packed_context_free_data: null
}
if (leap){
url+='2'; //use send transaction2 if available
obj = {
transaction: obj,
return_failure_trace: false,
retry_trx: true,
retry_trx_num_blocks, //if not specified, it defaults to LIB
}
return $.post(url, JSON.stringify(obj));
}
return pushGurantee(chain, obj, retry_trx_num_blocks); //if waiting for lib
}
//Add retry logic and waiting for blocks to send_transaction, to emulate send_transaction2 retry_trx_num_blocks
const pushGurantee = async (chain, packedTx, retry_trx_num_blocks ) => new Promise(async resolve=>{
let tx;
try{
tx = await $.post(`${chain.nodeUrl}/v1/chain/send_transaction`, JSON.stringify(packedTx));
console.log("tx",JSON.parse(JSON.stringify(tx)));
}catch(ex){
if(progressInterval) clearInterval(progressInterval);
$('#resetBtn').show();
$('.progressDiv').last().html("0%");
console.log("Exception submitting tx", ex);
$('#status').append(`<br><div>Error submitting TX: </div>`);
$('#status').append(`<div>${ex.responseJSON.error.details[0].message}</div>`);
if (ex.responseJSON.error.details[1]) $('#status').append(`<div>${ex.responseJSON.error.details[1].message}</div>`)
return
}
const transaction_id = tx.processed.id;
let finished = false;
let delay = 500;
while (!finished){
await sleep(delay);
delay*=1.1;
delay=Math.min(delay, 5000)
try{
const block = await $.post(`${chain.nodeUrl}/v1/chain/get_block`, JSON.stringify({block_num_or_id: tx.processed.block_num }));
const txFound = block.transactions.find(r=>r.trx.id === transaction_id);
if (txFound) { //if tx is in block, check relation to retry_trx_num_blocks
const headInfo = await $.get(`${chain.nodeUrl}/v1/chain/get_info`);
// console.log("Blocks passed: ~" + (headInfo.head_block_num - tx.processed.block_num) + "/330", "LIB: " + headInfo.last_irreversible_block_num)
if (
(!retry_trx_num_blocks && headInfo.last_irreversible_block_num >= tx.processed.block_num) || // passed lib
(retry_trx_num_blocks && headInfo.head_block_num - tx.processed.block_num >= retry_trx_num_blocks) // passed blocks specified
) finished = true;
}
else if(!txFound){ //if tx is not in block, resubmit packed tx
try{
tx = await $.post(`${chain.nodeUrl}/v1/chain/send_transaction`, JSON.stringify(packedTx));
console.log("tx not found in block (fork/stale block), resubmitted tx",tx);
}
catch(ex){//handle duplicate tx error, in case it auto got included in next block than reported, check next block and so on
console.log(ex)
//TODO verify exception is duplicate tx error
tx.processed.block_num++;
console.log("exception resubmitting duplicate tx, incremented block number to find tx", tx.processed.block_num)
}
}
}catch(ex){console.log("lost internet, retrying")}
}// end of while
if (retry_trx_num_blocks) return resolve(tx); //return tx if we dont need to worry about correct global action
//fetch from firehose to set correct global sequence (from produced block) in action_receipt
const ws = new WebSocket(sourceChain.proofSocket);
ws.addEventListener('open', (event) => ws.send(JSON.stringify({ type: "getBlockActions", block_to_prove: tx.processed.block_num })));
ws.addEventListener('message', (event) => {
const res = JSON.parse(event.data);
console.log("res",res)
const firhoseTx = res.txs.find(r=>r.find(s=>s.transactionId === transaction_id));
console.log("firhoseTx",firhoseTx)
const firehoseEmitxfer = firhoseTx.find(r=>r.action.name==='emitxfer');
console.log("firehoseEmitxfer",firehoseEmitxfer)
let emitxferAction = tx.processed.action_traces.find(r=>r.act.name==='emitxfer');
console.log("api emitxferAction receipt", JSON.parse(JSON.stringify(emitxferAction.receipt)))
emitxferAction.receipt = firehoseEmitxfer.receipt;
//convert firehose authSequence to expected format for ibc-proof server
let auth_sequence = [];
for (var auth of emitxferAction.receipt.auth_sequence) auth_sequence.push([auth.account, auth.sequence]);
emitxferAction.receipt.auth_sequence = auth_sequence;
console.log("bp emitxferAction receipt",firehoseEmitxfer.receipt)
resolve(tx);
});
})
const sleep = ms => new Promise(resolve=>setTimeout(resolve,ms));
//action creation functions
const transferToken = ({tokenRow, sourceChain, destinationChain, quantity} ) => ({
account: tokenRow.nativeTokenContract,
name: "transfer",
authorization: [sourceChain.auth],
data: { from: sourceChain.auth.actor, to: tokenRow.wrapLockContract, quantity, memo: destinationChain.auth.actor }
});
const retireWrappedToken = ({ tokenRow, sourceChain, destinationChain, quantity }) => ({
account: tokenRow.sourceTokenContract,
name: "retire",
authorization: [sourceChain.auth],
data: { owner: sourceChain.auth.actor, quantity, beneficiary: destinationChain.auth.actor }
});
//eosio name helper functions
const char_to_symbol = c => {
if (typeof c == 'string') c = c.charCodeAt(0);
if (c >= 'a'.charCodeAt(0) && c <= 'z'.charCodeAt(0)) return c - 'a'.charCodeAt(0) + 6;
if (c >= '1'.charCodeAt(0) && c <= '5'.charCodeAt(0)) return c - '1'.charCodeAt(0) + 1;
return 0;
};
const toName = value => {
let v = BigInt.asUintN(64, value), result = '';
while (v > 0) {
const c = v & BigInt(0xff);
result += String.fromCharCode(Number(c.toString()));
v >>= 8n;
}
return result;
};
const nameToUint64 = s => {
let n = 0n, i = 0;
for (; i < 12 && s[i]; i++) n |= BigInt(char_to_symbol(s.charCodeAt(i)) & 0x1f) << BigInt(64 - 5 * (i + 1));
if (i == 12) n |= BigInt(char_to_symbol(s.charCodeAt(i)) & 0x0f);
return n.toString();
};
const arrayToHex = data => {
let result = '';
for (const x of data) result += ('00' + x.toString(16)).slice(-2);
return result.toUpperCase();
};
</script>
<style>
html,body{ background-color: #31313d; color:white; font-family: Verdana, Geneva, Tahoma, sans-serif; }
.flexRow{ display: flex; align-items: center; justify-content: space-between;}
label{ width:70px; text-align: left;color:white; }
.form-select, .form-control, button{ width:272px; }
.form-select:disabled { background-color: #adafb2; }
.box{ padding:16px; border:1px solid #64646d;margin-top:44px; }
.box > div, #status > div{ display:flex; justify-content: space-between; }
</style>
</html>