Fixing USDT Send functionality
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index.html
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index.html
@ -1,3 +1,4 @@
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<!DOCTYPE html>
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<html lang="en">
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@ -464,21 +465,6 @@
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</svg>
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Send USDT
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</button>
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<button class="wallet-action" onclick="initConversion('rupee')">
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<svg class="icon" xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24"
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height="24px" viewBox="0 0 24 24" width="24px" fill="#000000">
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<g>
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<rect fill="none" height="24" width="24" />
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</g>
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<g>
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<g>
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<path
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d="M13.66,7C13.1,5.82,11.9,5,10.5,5L6,5V3h12v2l-3.26,0c0.48,0.58,0.84,1.26,1.05,2L18,7v2l-2.02,0c-0.25,2.8-2.61,5-5.48,5 H9.77l6.73,7h-2.77L7,14v-2h3.5c1.76,0,3.22-1.3,3.46-3L6,9V7L13.66,7z" />
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</g>
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</g>
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</svg>
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Request USDT
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</button>
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</div>
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</div>
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@ -1284,31 +1270,82 @@
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<sm-popup id="send_usdt_erc20_popup">
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<header slot="header" class="popup__header">
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<button class="popup__header__close justify-self-start" onclick="closePopup()">
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<svg class="icon" xmlns="http://www.w3.org/2000/svg" height="24" width="24" viewBox="0 0 24 24"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z"/></svg>
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<svg class="icon" xmlns="http://www.w3.org/2000/svg" height="24" width="24" viewBox="0 0 24 24">
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<path d="M0 0h24v24H0V0z" fill="none"/>
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<path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z"/>
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</svg>
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</button>
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<h3>Send USDT (ERC-20)</h3>
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</header>
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<sm-form id="send_usdt_erc20_form" skip-submit>
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<fieldset class="grid gap-1">
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<!-- From -->
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<div class="grid">
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<div class="label">From (ETH address)</div>
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<sm-copy id="usdt_from_eth_address" value=""></sm-copy>
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<div class="label">From ETH address</div>
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<sm-copy id="usdt_from_eth_address"></sm-copy>
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</div>
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<sm-input id="usdt_receiver" placeholder="Receiver's ETH address"
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pattern="0x[0-9a-fA-F]{40}" error-text='Invalid address. It should look like "0x..."'
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animate required></sm-input>
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<!-- To -->
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<sm-input
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id="usdt_receiver"
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placeholder="Receiver's ETH address"
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pattern="0x[0-9a-fA-F]{40}"
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error-text='Invalid address. It should look like "0x..."'
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animate
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required>
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</sm-input>
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<sm-input id="usdt_amount" type="number" placeholder="Amount"
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min="0.000001" step="0.000001"
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error-text="Amount must be greater than 0"
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animate required>
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<!-- Amount -->
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<sm-input
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id="usdt_amount"
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type="number"
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placeholder="Amount"
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min="0.000001"
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step="0.000001"
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error-text="Amount must be greater than 0"
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animate
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required>
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<div class="asset-symbol" slot="icon">USDT</div>
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</sm-input>
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<!-- Sender balances -->
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<div id="usdt_balances" class="grid gap-0-25 muted">
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<div class="flex space-between">
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<span>ETH balance</span>
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<span id="eth_balance_text">—</span>
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</div>
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<div class="flex space-between">
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<span>USDT balance</span>
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<span id="usdt_balance_text">—</span>
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</div>
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</div>
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<!-- Estimated gas / fee -->
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<div id="usdt_fee_estimate" class="grid gap-0-25 muted">
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<div class="flex space-between">
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<span>Estimated gas (limit)</span>
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<span id="usdt_gas_limit">—</span>
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</div>
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<div class="flex space-between">
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<span>Gas price</span>
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<span id="usdt_gas_price">—</span>
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</div>
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<div class="flex space-between">
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<span>Estimated fee</span>
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<span id="usdt_fee_eth">—</span>
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</div>
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<p id="usdt_send_hint" class="text-small" style="opacity:.8"></p>
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</div>
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<!-- CTA -->
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<div class="multi-state-button">
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<button id="usdt_send_btn" class="button button--primary cta" type="submit" onclick="submitUsdtErc20(event)" disabled>
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<button
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id="usdt_send_btn"
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class="button button--primary cta w-100"
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type="submit"
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onclick="submitUsdtErc20(event)"
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disabled>
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Send USDT
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</button>
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</div>
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@ -1318,6 +1355,7 @@
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<div id="send_usdt_erc20_status" class="grid gap-1 justify-center text-center hidden"></div>
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</sm-popup>
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<sm-popup id="txid_popup">
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<header slot="header" class="popup__header">
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<button class="popup__header__close" onclick="closePopup()">
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@ -1815,24 +1853,36 @@
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calculateFees()
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break;
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case 'send_usdt_erc20_popup':
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try {
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const privateKeyWIF = await floDapps.user.private;
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if (!privateKeyWIF) {
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notify('No private key found for this account', 'error');
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break;
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}
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const { privkey } = coinjs.wif2privkey(privateKeyWIF);
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const fromEth = floEthereum.ethAddressFromPrivateKey(privkey);
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try {
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const privateKeyWIF = await floDapps.user.private;
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if (!privateKeyWIF) {
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notify('No private key found for this account', 'error');
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break;
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}
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const { privkey } = coinjs.wif2privkey(privateKeyWIF);
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const fromEth = floEthereum.ethAddressFromPrivateKey(privkey);
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getRef('usdt_from_eth_address').value = fromEth;
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getRef('usdt_from_eth_address').value = fromEth;
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const form = getRef('send_usdt_erc20_form');
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form.dataset.ethPriv = privkey; // raw hex private key
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form.dataset.fromEth = fromEth; // derived ETH address
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} catch (err) {
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notify(err.message || 'Could not derive ETH address from key', 'error');
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}
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break;
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const form = getRef('send_usdt_erc20_form');
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form.dataset.ethPriv = privkey; // raw hex private key
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form.dataset.fromEth = fromEth; // derived ETH address
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// 1) attach validation listeners (changes -> estimate gas -> reevaluate)
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initUsdtValidation(async () => {
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await estimateUsdtGas();
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reevaluateUsdtSendEnabled();
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});
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// 2) initial data pass (balances, estimate, enable/disable)
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await refreshUsdtBalances();
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await estimateUsdtGas();
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reevaluateUsdtSendEnabled();
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} catch (err) {
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notify(err?.message || 'Could not derive ETH address from key', 'error');
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}
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break;
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case 'profile_popup':
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renderElem(getRef('profile_popup__content'), render.profile())
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@ -2216,6 +2266,7 @@
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if (floDapps.user.id && (generalPages.includes(pageId))) {
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history.replaceState(null, null, '#/home');
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pageId = 'home'
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return;
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}
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} catch (e) {
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if (!(generalPages.includes(pageId))) return
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@ -3918,7 +3969,7 @@
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if (potentialTarget) potentialTarget.remove();
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}
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}
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// Best-effort derivation of user's Ethereum address
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async function getUserEthAddress() {
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try {
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@ -4172,6 +4223,7 @@
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}
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});
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}
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const savedIdsObserver = new MutationObserver((mutationList) => {
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mutationList.forEach(mutation => {
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conditionalClassToggle(getRef('saved_ids_tip'), 'hidden', !mutation.target.children.length);
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@ -4181,6 +4233,7 @@
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savedIdsObserver.observe(getRef('saved_ids_list'), {
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childList: true,
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})
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function insertElementAlphabetically(name, elementToInsert) {
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const elementInserted = [...getRef('saved_ids_list').children].some(child => {
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const floID = child.dataset.floId;
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@ -4220,6 +4273,7 @@
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}
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}
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}, 100))
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getRef('search_saved_ids_picker').addEventListener('keydown', e => {
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if (e.key === 'Enter') {
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const potentialTarget = getRef('saved_ids_picker_list').firstElementChild
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@ -4228,6 +4282,7 @@
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}
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}
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})
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delegate(getRef('saved_ids_picker_list'), 'click', '.saved-id', e => {
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getRef('token_transfer__receiver').value = e.delegateTarget.dataset.floId
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getRef('token_transfer__receiver').focusIn()
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@ -4779,7 +4834,7 @@
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notify(`Could not initialize conversion: ${e.message}`, 'error')
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}
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}
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//Asset Conversion
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function convertAsset() {
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getConfirmation('Are you sure you want to convert?', { confirmText: 'Convert' }).then(async (res) => {
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if (!res) return;
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@ -4815,6 +4870,338 @@
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}
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})
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}
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// === USDT (ERC-20) SEND — UTILITIES & SHARED STATE ===
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// Lightweight formatters (display only)
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const usdtFmt = {
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eth(x) { return (Number(x) || 0).toFixed(6) + ' ETH'; },
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usdt(x) { return (Number(x) || 0).toFixed(6) + ' USDT'; },
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gwei(x) { return (Number(x) || 0).toFixed(2) + ' gwei'; },
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gas(x) { return String(x ?? '—'); }
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};
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// Convert wei → ETH (accepts number|string|bigint)
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function usdtFeeWeiToEth(wei) {
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const bn = (typeof wei === 'bigint') ? wei : BigInt(String(wei || 0));
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return Number(bn) / 1e18;
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}
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// Centralized element refs for the USDT popup
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function getUsdtFormRefs() {
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const form = document.getElementById('send_usdt_erc20_form');
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const toEth = document.getElementById('usdt_receiver');
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const amt = document.getElementById('usdt_amount');
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const sendBtn = document.getElementById('usdt_send_btn');
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const lbl = {
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ethBal: document.getElementById('eth_balance_text'),
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usdtBal: document.getElementById('usdt_balance_text'),
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gasLimit: document.getElementById('usdt_gas_limit'),
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gasPrice: document.getElementById('usdt_gas_price'),
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feeEth: document.getElementById('usdt_fee_eth'),
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hint: document.getElementById('usdt_send_hint'),
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};
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return { form, toEth, amt, sendBtn, lbl };
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}
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// In-memory state (avoids flicker; used by guards)
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const usdtSendState = {
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ethBalance: 0, // number (ETH)
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usdtBalance: 0, // number (USDT)
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gasLimit: 0, // number
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gasPriceWei: 0n, // bigint
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feeEth: 0 // number (ETH)
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};
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// === USDT (ERC-20) SEND — VALIDATION & ENABLE/DISABLE ===
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// Small, local debounce to avoid collisions with any global debounce
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function usdtDebounce(fn, ms = 300) {
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let t;
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return (...args) => {
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clearTimeout(t);
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t = setTimeout(() => fn(...args), ms);
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};
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}
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// Re-checks if we can enable "Send" based on field validity and cached state
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function reevaluateUsdtSendEnabled() {
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const { toEth, amt, sendBtn, lbl } = getUsdtFormRefs();
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const validFields = Boolean(toEth?.isValid && amt?.isValid);
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const wantUsdt = Number(amt?.value || 0);
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const enoughUsdt = usdtSendState.usdtBalance >= wantUsdt;
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const enoughEth = usdtSendState.feeEth > 0 && usdtSendState.ethBalance >= usdtSendState.feeEth;
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let hint = '';
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if (validFields) {
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if (!enoughUsdt) hint = 'Insufficient USDT balance.';
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else if (!enoughEth) hint = 'Insufficient ETH for gas.';
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}
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if (lbl?.hint) lbl.hint.textContent = hint;
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if (sendBtn) sendBtn.disabled = !(validFields && enoughUsdt && enoughEth);
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}
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/**
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* Attach input validation + change handlers for the USDT popup.
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* - Prevents duplicate listeners if popup opens multiple times.
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* - Returns a teardown function to remove listeners if you need it.
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*
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* Usage (inside `popupopened` -> 'send_usdt_erc20_popup'):
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* const stop = initUsdtValidation(async () => {
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* await estimateUsdtGas();
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* reevaluateUsdtSendEnabled();
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* });
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*/
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function initUsdtValidation(onInputsChanged) {
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const { form, toEth, amt } = getUsdtFormRefs();
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if (!form || !toEth || !amt) return () => {};
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// Prevent duplicate bindings on re-open
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if (form.dataset.usdtValidation === 'attached') return () => {};
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form.dataset.usdtValidation = 'attached';
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const debounced = usdtDebounce(() => {
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try { onInputsChanged && onInputsChanged(); }
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catch (e) { console.warn('USDT inputs change handler failed:', e); }
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}, 300);
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// Listeners
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const onInput = () => debounced();
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toEth.addEventListener('input', onInput);
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amt.addEventListener('input', onInput);
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// Kick one evaluation when you call this (do NOT call automatically here)
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// Provide a teardown if you ever want to remove listeners on close
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return function teardownUsdtValidation() {
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try {
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toEth.removeEventListener('input', onInput);
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amt.removeEventListener('input', onInput);
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delete form.dataset.usdtValidation;
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} catch {}
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};
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}
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// === USDT (ERC-20) SEND — BALANCES LOADER ===
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//
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// Depends on: getUsdtFormRefs(), usdtFmt, usdtSendState
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async function refreshUsdtBalances() {
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const { form, lbl } = getUsdtFormRefs();
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if (!form?.dataset?.fromEth) return;
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const from = form.dataset.fromEth;
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try {
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// Parallel fetch ETH & USDT balances
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const [ethBalRaw, usdtBalRaw] = await Promise.all([
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ethOperator.getBalance(from), // -> number|string (ETH)
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ethOperator.getTokenBalance({ address: from, token: 'usdt' }) // -> number|string (USDT)
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]);
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const ethBal = Number(ethBalRaw) || 0;
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const usdtBal = Number(usdtBalRaw) || 0;
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// Cache in state
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usdtSendState.ethBalance = ethBal;
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usdtSendState.usdtBalance = usdtBal;
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// Paint UI
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if (lbl?.ethBal) lbl.ethBal.textContent = usdtFmt.eth(ethBal);
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if (lbl?.usdtBal) lbl.usdtBal.textContent = usdtFmt.usdt(usdtBal);
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} catch (e) {
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console.warn('refreshUsdtBalances failed:', e);
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// Keep state but indicate unknown in UI
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if (lbl?.ethBal) lbl.ethBal.textContent = '—';
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if (lbl?.usdtBal) lbl.usdtBal.textContent = '—';
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}
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}
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// === USDT (ERC-20) SEND — GAS ESTIMATE ===
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//
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// Depends on: getUsdtFormRefs(), usdtSendState, usdtFmt, usdtFeeWeiToEth
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// Requires: ethOperator.getGasPrice(), ethOperator.estimateTokenTransferGas({...}),
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// ethOperator.isValidAddress(addr)
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async function estimateUsdtGas() {
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const { form, toEth, amt, lbl } = getUsdtFormRefs();
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if (!form?.dataset?.fromEth) return;
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const from = form.dataset.fromEth;
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const to = String(toEth?.value || '').trim();
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const amount = Number(amt?.value || 0);
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// Clear UI when inputs are not ready
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const clearUi = () => {
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if (lbl?.gasLimit) lbl.gasLimit.textContent = '—';
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if (lbl?.gasPrice) lbl.gasPrice.textContent = '—';
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if (lbl?.feeEth) lbl.feeEth.textContent = '—';
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usdtSendState.gasLimit = 0;
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usdtSendState.gasPriceWei = 0n;
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usdtSendState.feeEth = 0;
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};
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if (!ethOperator.isValidAddress(to) || !(amount > 0)) {
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clearUi();
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return;
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}
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try {
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// Fetch price + limit in parallel
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const [gasPriceWeiRaw, gasLimitRaw] = await Promise.all([
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ethOperator.getGasPrice(), // → wei (string|number|bigint)
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ethOperator.estimateTokenTransferGas({
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from,
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receiver: to,
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amount,
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token: 'usdt'
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}) // → integer gas limit
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]);
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const gasLimit = Number(gasLimitRaw) || 0;
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const gasPriceWei = (typeof gasPriceWeiRaw === 'bigint')
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? gasPriceWeiRaw
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: BigInt(String(gasPriceWeiRaw || 0));
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|
||||
// Total fee in wei & ETH
|
||||
const feeWei = gasPriceWei * BigInt(gasLimit || 0);
|
||||
const feeEth = usdtFeeWeiToEth(feeWei);
|
||||
|
||||
// Cache in state
|
||||
usdtSendState.gasLimit = gasLimit;
|
||||
usdtSendState.gasPriceWei = gasPriceWei;
|
||||
usdtSendState.feeEth = feeEth;
|
||||
|
||||
// Render UI
|
||||
const gasPriceGwei = Number(gasPriceWei) / 1e9;
|
||||
if (lbl?.gasLimit) lbl.gasLimit.textContent = usdtFmt.gas(gasLimit);
|
||||
if (lbl?.gasPrice) lbl.gasPrice.textContent = usdtFmt.gwei(gasPriceGwei);
|
||||
if (lbl?.feeEth) lbl.feeEth.textContent = usdtFmt.eth(feeEth);
|
||||
} catch (e) {
|
||||
console.warn('estimateUsdtGas failed:', e);
|
||||
clearUi();
|
||||
}
|
||||
}
|
||||
|
||||
// === USDT (ERC-20) SEND — SUBMIT HANDLER ===
|
||||
//
|
||||
// Depends on: getUsdtFormRefs(), reevaluateUsdtSendEnabled(),
|
||||
// estimateUsdtGas(), refreshUsdtBalances(),
|
||||
// usdtSendState, notify(), buttonLoader(), getConfirmation(),
|
||||
// openPopup(), ethOperator (sendToken, isValidAddress)
|
||||
|
||||
async function submitUsdtErc20(evt) {
|
||||
evt?.preventDefault?.();
|
||||
|
||||
const { form, toEth, amt, sendBtn } = getUsdtFormRefs();
|
||||
if (!form) {
|
||||
notify('Form not found', 'error');
|
||||
return;
|
||||
}
|
||||
|
||||
const privkey = form.dataset.ethPriv; // raw hex (no 0x)
|
||||
const fromEth = form.dataset.fromEth;
|
||||
const to = String(toEth?.value || '').trim();
|
||||
const amount = Number(amt?.value || 0);
|
||||
|
||||
// Basic guards (component-level validation already runs)
|
||||
if (!privkey) {
|
||||
notify('No private key available for signing', 'error');
|
||||
return;
|
||||
}
|
||||
if (!ethOperator.isValidAddress(to)) {
|
||||
notify('Invalid receiver address', 'error');
|
||||
return;
|
||||
}
|
||||
if (!(amount > 0)) {
|
||||
notify('Amount must be greater than 0', 'error');
|
||||
return;
|
||||
}
|
||||
|
||||
// Secondary guards using current cached balances / fee
|
||||
const enoughUsdt = usdtSendState.usdtBalance >= amount;
|
||||
const enoughEth = usdtSendState.feeEth > 0 && usdtSendState.ethBalance >= usdtSendState.feeEth;
|
||||
if (!enoughUsdt) {
|
||||
notify('Insufficient USDT balance.', 'error');
|
||||
return;
|
||||
}
|
||||
if (!enoughEth) {
|
||||
notify('Insufficient ETH for gas.', 'error');
|
||||
return;
|
||||
}
|
||||
|
||||
// User confirmation
|
||||
const ok = await getConfirmation('Send USDT (ERC-20)', {
|
||||
message: `You are about to send ${amount} USDT\nTo: ${to}\nFrom: ${fromEth}`,
|
||||
confirmText: 'Send'
|
||||
});
|
||||
if (!ok) return;
|
||||
|
||||
try {
|
||||
buttonLoader(sendBtn, true);
|
||||
|
||||
// Broadcast ERC-20 transfer
|
||||
const tx = await ethOperator.sendToken({
|
||||
privateKey: privkey,
|
||||
receiver: to,
|
||||
amount,
|
||||
token: 'usdt'
|
||||
});
|
||||
|
||||
// Success UI
|
||||
openPopup('txid_popup');
|
||||
const txidEl = document.getElementById('txid');
|
||||
if (txidEl) txidEl.value = tx.hash;
|
||||
|
||||
// Optional: update "View on Etherscan" link if you added it
|
||||
const link = document.getElementById('txid_link');
|
||||
if (link) link.href = `https://etherscan.io/tx/${tx.hash}`;
|
||||
|
||||
// Reset inputs
|
||||
const formEl = document.getElementById('send_usdt_erc20_form');
|
||||
formEl?.reset?.();
|
||||
|
||||
// Refresh balances and recompute UI (non-blocking)
|
||||
refreshUsdtBalances().catch(()=>{});
|
||||
estimateUsdtGas().catch(()=>{});
|
||||
reevaluateUsdtSendEnabled();
|
||||
|
||||
// Optionally notify when confirmed (don’t block UI)
|
||||
tx.wait?.()
|
||||
.then(() => notify('USDT transfer confirmed on Ethereum', 'success'))
|
||||
.catch(() => { /* ignore */ });
|
||||
|
||||
} catch (e) {
|
||||
// Map common JSON-RPC error (-32000) to a friendly message
|
||||
const msg = String(e && (e.message || e));
|
||||
try {
|
||||
const m = msg.match(/\(error=({.*?}),/);
|
||||
if (m && m[1]) {
|
||||
const parsed = JSON.parse(m[1]);
|
||||
if (parsed?.code === -32000) {
|
||||
notify('Insufficient balance (ETH for gas or USDT).', 'error');
|
||||
} else {
|
||||
notify(msg, 'error');
|
||||
}
|
||||
} else {
|
||||
notify(msg, 'error');
|
||||
}
|
||||
} catch {
|
||||
notify(msg, 'error');
|
||||
}
|
||||
} finally {
|
||||
buttonLoader(sendBtn, false);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
</script>
|
||||
</body>
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user