38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
import { ethers } from 'ethers';
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// 自定义Provider，使用uni.request替代原生fetch
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class UniAppProvider extends ethers.providers.JsonRpcProvider {
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async send(method, params) {
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const payload = {
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method: method,
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params: params,
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id: Math.floor(Math.random() * 1000000),
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jsonrpc: "2.0"
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};
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return new Promise((resolve, reject) => {
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uni.request({
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url: this.connection.url,
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data: JSON.stringify(payload),
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method: 'POST',
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header: {
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'content-type': 'application/json'
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},
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success: (res) => {
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if (res.statusCode !== 200) {
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reject(new Error(`HTTP Error: ${res.statusCode}`));
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return;
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}
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if (res.data.error) {
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reject(new Error(res.data.error.message || JSON.stringify(res.data.error)));
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return;
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}
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resolve(res.data.result);
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},
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fail: (err) => {
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reject(new Error(err.errMsg || 'Request failed'));
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}
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});
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});
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}
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} |