85 lines
2.7 KiB
JavaScript
85 lines
2.7 KiB
JavaScript
const PAGE_REQUEST = 'shine-wallet-page-request';
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const PAGE_RESPONSE = 'shine-wallet-page-response';
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function injectProviderBridge() {
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const root = document.head || document.documentElement;
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if (!root) return;
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const script = document.createElement('script');
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script.type = 'module';
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script.src = chrome.runtime.getURL('provider-bridge.js');
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script.dataset.shineWalletProvider = '1';
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root.appendChild(script);
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script.remove();
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}
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function respondToPage(id, ok, result, error, code) {
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window.postMessage({
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target: PAGE_RESPONSE,
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id: String(id || ''),
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ok: !!ok,
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result: result || null,
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error: error ? String(error) : '',
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code: code ? String(code) : '',
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}, window.location.origin);
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}
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function sendRuntimeMessage(type, payload = {}) {
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return new Promise((resolve, reject) => {
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chrome.runtime.sendMessage({ type, payload }, (response) => {
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if (chrome.runtime.lastError) {
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reject(new Error(chrome.runtime.lastError.message || 'Runtime message failed'));
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return;
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}
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if (!response?.ok) {
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const error = new Error(String(response?.error || 'Wallet operation failed'));
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error.code = String(response?.code || '');
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reject(error);
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return;
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}
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resolve(response);
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});
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});
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}
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window.addEventListener('message', (event) => {
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if (event.source !== window) return;
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const data = event.data || {};
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if (data?.target !== PAGE_REQUEST) return;
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const id = String(data?.id || '');
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const method = String(data?.method || '');
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const params = data?.params || {};
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const origin = window.location.origin;
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(async () => {
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if (method === 'connect') {
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const response = await sendRuntimeMessage('wallet:siteConnect', {
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origin,
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onlyIfTrusted: !!params?.onlyIfTrusted,
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});
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respondToPage(id, true, response.result || null);
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return;
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}
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if (method === 'disconnect') {
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const response = await sendRuntimeMessage('wallet:siteDisconnect', { origin });
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respondToPage(id, true, response.result || null);
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return;
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}
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if (method === 'signTransaction') {
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const response = await sendRuntimeMessage('wallet:siteSignTransaction', {
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origin,
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publicKeyBase58: String(params?.publicKeyBase58 || '').trim(),
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transactionBase64: String(params?.transactionBase64 || '').trim(),
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comment: String(params?.comment || '').trim(),
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});
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respondToPage(id, true, response.result || null);
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return;
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}
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respondToPage(id, false, null, 'Unsupported provider method', 'UNSUPPORTED_METHOD');
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})().catch((error) => {
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respondToPage(id, false, null, error?.message || 'Wallet bridge error', error?.code || '');
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});
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});
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injectProviderBridge();
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