在V2EX个人主页显示Solana&V2EX资产余额、实时单价和总价值。总价值栏包含可点击复制的完整地址，并适配V2EX日/夜主题。
// ==UserScript==
// @name V2EX Solana Balance Checker
// @namespace http://tampermonkey.net/
// @version 1.0
// @description 在V2EX个人主页显示Solana&V2EX资产余额、实时单价和总价值。总价值栏包含可点击复制的完整地址，并适配V2EX日/夜主题。
// @author Lome (Modified by Gemini)
// @match https://www.v2ex.com/member/*
// @match https://v2ex.com/member/*
// @match https://*.v2ex.com/member/*
// @grant GM_xmlhttpRequest
// @grant GM_addStyle
// @run-at document-idle
// @connect api.mainnet-beta.solana.com
// @connect rpc.ankr.com
// @connect solana-mainnet.rpc.extrnode.com
// @connect api.geckoterminal.com
// ==/UserScript==
(function() {
'use strict';
// 1. 配置信息 (Configuration)
const V2EX_TOKEN_MINT_ADDRESS = '9raUVuzeWUk53co63M4WXLWPWE4Xc6Lpn7RS9dnkpump';
const SOL_MINT_ADDRESS = 'So11111111111111111111111111111111111111112';
const RPC_ENDPOINTS = [ 'https://rpc.ankr.com/solana', 'https://api.mainnet-beta.solana.com', 'https://solana-mainnet.rpc.extrnode.com' ];
// =================================================================================
// 主函数 - 脚本核心逻辑
// =================================================================================
function main(anchorElement) {
// 2. 从页面中查找用户的 Solana 地址
function findAddressOnPage() {
const scripts = document.querySelectorAll('script');
for (const script of scripts) {
if (script.textContent.includes('const address =')) {
const match = script.textContent.match(/const address = "([1-9A-HJ-NP-Za-km-z]{32,44})";/);
if (match && match[1]) { return match[1]; }
}
}
return null;
}
const userSolanaAddress = findAddressOnPage();
if (!userSolanaAddress) {
console.error('V2EX Balance Checker: Could not find Solana address on page.');
return;
}
// 3. 添加基础样式 (Layout Styles)
GM_addStyle(`
.solana-balance-box { background-color: var(--box-background-color); border-bottom: 1px solid var(--box-border-color); margin-bottom: 20px; }
.solana-balance-table { width: 100%; border-collapse: collapse; table-layout: fixed; margin-bottom: -1px; }
.solana-balance-table th, .solana-balance-table td { padding: 12px; text-align: left; border-top: 1px solid var(--box-border-color); font-size: 14px; line-height: 1.6; vertical-align: middle; }
.solana-balance-table th { background-color: var(--box-header-background-color); font-weight: bold; }
.solana-balance-table td { font-family: var(--mono-font); word-wrap: break-word; }
.total-row td { font-weight: bold; border-top: 2px solid var(--box-border-color); }
.solana-balance-table th:nth-child(1), .solana-balance-table td:nth-child(1) { width: 15%; text-align: center; } /* Asset */
.solana-balance-table th:nth-child(2), .solana-balance-table td:nth-child(2) { width: 35%; } /* Balance */
.solana-balance-table th:nth-child(3), .solana-balance-table td:nth-child(3) { width: 25%; } /* Price */
.solana-balance-table th:nth-child(4), .solana-balance-table td:nth-child(4) { width: 25%; } /* Value */
.copy-address-link {
color: var(--link-color); /* 使用 V2EX 原生链接颜色 */
font-family: var(--mono-font);
font-weight: normal;
font-size: 12px;
margin-left: 10px;
cursor: pointer;
text-decoration: none;
word-break: break-all; /* 强制长地址换行 */
}
.copy-address-link:hover {
text-decoration: underline;
}
`);
// 4. 创建并插入 DOM 元素 (Create & Insert DOM)
const container = document.createElement('div');
container.className = 'solana-balance-box';
container.innerHTML = `
<table class="solana-balance-table">
<thead>
<tr>
<th>Token</th>
<th>Balance</th>
<th>Price</th>
<th>Value</th>
</tr>
</thead>
<tbody>
<tr id="sol-row">
<td>SOL</td>
<td id="sol-balance">Loading...</td>
<td id="sol-price">Loading...</td>
<td id="sol-value">Loading...</td>
</tr>
<tr id="v2ex-row">
<td>$V2EX</td>
<td id="v2ex-balance">Loading...</td>
<td id="v2ex-price">Loading...</td>
<td id="v2ex-value">Loading...</td>
</tr>
<tr id="total-row" class="total-row">
<td colspan="3">
<span>Address: </span>
<a id="copy-address-trigger" class="copy-address-link" href="#"></a>
</td>
<td id="total-value">Loading...</td>
</tr>
</tbody>
</table>
`;
anchorElement.parentNode.insertBefore(container, anchorElement.nextSibling);
// 地址复制交互逻辑
const copyTrigger = document.getElementById('copy-address-trigger');
if (copyTrigger) {
copyTrigger.textContent = userSolanaAddress; // 直接显示完整地址
copyTrigger.title = '点击复制完整地址 (Click to copy full address)';
copyTrigger.addEventListener('click', (event) => {
event.preventDefault();
navigator.clipboard.writeText(userSolanaAddress).then(() => {
copyTrigger.textContent = '已复制! (Copied!)';
setTimeout(() => {
copyTrigger.textContent = userSolanaAddress;
}, 2000);
}).catch(err => {
console.error('V2EX Balance Checker: Could not copy address.', err);
copyTrigger.textContent = '复制失败';
setTimeout(() => {
copyTrigger.textContent = userSolanaAddress;
}, 2000);
});
});
}
// 5. 实时更新文本颜色以适配主题 (已修复)
function updateTextColorsForTheme() {
const nativeTextColor = getComputedStyle(document.body).getPropertyValue('--box-foreground-color').trim();
const nativeFadeColor = getComputedStyle(document.body).getPropertyValue('--color-fade').trim();
const cells = container.querySelectorAll('td');
for (const cell of cells) {
// 优先处理 Loading/Error 等状态的颜色
if (cell.textContent.includes('Loading...') || cell.textContent.includes('Error') || cell.textContent.includes('N/A')) {
cell.style.setProperty('color', nativeFadeColor, 'important');
} else {
// 为所有其他单元格应用标准文本颜色。CSS会确保里面的链接保持自己的颜色。
cell.style.setProperty('color', nativeTextColor, 'important');
}
}
const headers = container.querySelectorAll('th');
for (const header of headers) {
header.style.setProperty('color', nativeTextColor, 'important');
}
}
// 6. 监听主题变化
const themeObserver = new MutationObserver(() => updateTextColorsForTheme());
themeObserver.observe(document.documentElement, { attributes: true, attributeFilter: ['class'] });
updateTextColorsForTheme();
// 7. 数据获取与处理 (Data Fetching & Processing)
function makeRpcRequest(requestPayload) {
return new Promise((resolve, reject) => {
let endpointIndex = 0;
function tryNextEndpoint() {
if (endpointIndex >= RPC_ENDPOINTS.length) {
reject(new Error('All RPC endpoints failed for method: ' + requestPayload.method));
return;
}
const currentEndpoint = RPC_ENDPOINTS[endpointIndex++];
GM_xmlhttpRequest({
method: 'POST', url: currentEndpoint, headers: { 'Content-Type': 'application/json' },
data: JSON.stringify(requestPayload), timeout: 8000,
onload: function(response) {
try {
const data = JSON.parse(response.responseText);
if (data.error) { tryNextEndpoint(); } else { resolve(data); }
} catch (e) { tryNextEndpoint(); }
},
onerror: tryNextEndpoint, ontimeout: tryNextEndpoint
});
}
tryNextEndpoint();
});
}
function fetchSolBalance() {
return makeRpcRequest({ jsonrpc: '2.0', id: 1, method: 'getBalance', params: [userSolanaAddress] })
.then(data => data.result.value / 1e9);
}
function fetchV2exTokenBalance() {
return makeRpcRequest({ jsonrpc: '2.0', id: 1, method: 'getTokenAccountsByOwner', params: [userSolanaAddress, { mint: V2EX_TOKEN_MINT_ADDRESS }, { encoding: 'jsonParsed' }] })
.then(data => data.result.value.length > 0 ? parseFloat(data.result.value[0].account.data.parsed.info.tokenAmount.uiAmountString) : 0);
}
function fetchPriceFromGeckoTerminal(tokenAddress) {
return new Promise((resolve, reject) => {
const url = `https://api.geckoterminal.com/api/v2/networks/solana/tokens/${tokenAddress}/pools?page=1`;
GM_xmlhttpRequest({
method: 'GET', url: url, timeout: 8000,
onload: function(response) {
try {
const parsed = JSON.parse(response.responseText);
if (parsed.data && parsed.data.length > 0) {
const price = parseFloat(parsed.data[0].attributes.base_token_price_usd);
resolve(price);
} else { resolve(null); }
} catch (e) { reject(new Error(`Failed to parse GeckoTerminal response for ${tokenAddress}: ${e.message}`)); }
},
onerror: () => reject(new Error(`GeckoTerminal request failed for ${tokenAddress}`)),
ontimeout: () => reject(new Error(`GeckoTerminal request timed out for ${tokenAddress}`))
});
});
}
function fetchPrices() {
return Promise.all([
fetchPriceFromGeckoTerminal(SOL_MINT_ADDRESS),
fetchPriceFromGeckoTerminal(V2EX_TOKEN_MINT_ADDRESS)
]).then(([solPrice, v2exPrice]) => ({ solPrice, v2exPrice }));
}
async function fetchAllDataAndUpdateUI() {
const [solBalanceResult, v2exBalanceResult, pricesResult] = await Promise.allSettled([
fetchSolBalance(),
fetchV2exTokenBalance(),
fetchPrices()
]);
let solBalance, v2exBalance, solPrice, v2exPrice;
let totalValue = 0;
let canCalcTotal = true;
if (solBalanceResult.status === 'fulfilled') {
solBalance = solBalanceResult.value;
document.getElementById('sol-balance').textContent = solBalance.toFixed(6);
} else {
canCalcTotal = false; document.getElementById('sol-balance').textContent = 'Error';
console.error("Failed to fetch SOL balance:", solBalanceResult.reason);
}
if (v2exBalanceResult.status === 'fulfilled') {
v2exBalance = v2exBalanceResult.value;
document.getElementById('v2ex-balance').textContent = v2exBalance.toLocaleString();
} else {
canCalcTotal = false; document.getElementById('v2ex-balance').textContent = 'Error';
console.error("Failed to fetch V2EX balance:", v2exBalanceResult.reason);
}
if (pricesResult.status === 'fulfilled') {
solPrice = pricesResult.value.solPrice;
v2exPrice = pricesResult.value.v2exPrice;
document.getElementById('sol-price').textContent = solPrice ? `$${solPrice.toFixed(4)}` : 'N/A';
document.getElementById('v2ex-price').textContent = v2exPrice ? `$${v2exPrice.toFixed(4)}` : 'N/A';
} else {
canCalcTotal = false; document.getElementById('sol-price').textContent = 'Error';
document.getElementById('v2ex-price').textContent = 'Error';
console.error("Failed to fetch prices:", pricesResult.reason);
}
if (typeof solBalance === 'number' && typeof solPrice === 'number') {
const solValue = solBalance * solPrice;
totalValue += solValue;
document.getElementById('sol-value').textContent = `$${solValue.toFixed(2)}`;
} else {
canCalcTotal = false; document.getElementById('sol-value').textContent = 'Error';
}
if (typeof v2exBalance === 'number' && typeof v2exPrice === 'number') {
const v2exValue = v2exBalance * v2exPrice;
totalValue += v2exValue;
document.getElementById('v2ex-value').textContent = `$${v2exValue.toFixed(2)}`;
} else {
canCalcTotal = false;
document.getElementById('v2ex-value').textContent = (v2exPrice === null && typeof v2exBalance === 'number') ? '$0.00' : 'Error';
}
document.getElementById('total-value').textContent = canCalcTotal ? `$${totalValue.toFixed(2)}` : 'Error';
updateTextColorsForTheme();
}
fetchAllDataAndUpdateUI();
}
// =================================================================================
// 初始化函数 - 等待页面加载完成后执行 main()
// =================================================================================
const maxTries = 20;
let tries = 0;
const initInterval = setInterval(() => {
const anchorElement = document.querySelector('#Main .box');
if (anchorElement) {
clearInterval(initInterval);
main(anchorElement);
} else {
tries++;
if (tries > maxTries) {
clearInterval(initInterval);
console.error('V2EX Balance Checker: Could not find anchor element #Main .box after 10s.');
}
}
}, 500);
})();