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@@ -0,0 +1,90 @@
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+import Web3 from "web3";
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+export const getWeb3 = async () => {
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+ const rpcUrl = "https://api.accwgt.com";
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+ const web3 = new Web3(new Web3.providers.HttpProvider(rpcUrl));
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+ console.log("📡 已连接 RPC:", rpcUrl);
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+ return web3;
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+};
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+
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+// 获取当前用户钱包地址(支持 H5 和 APP-PLUS)
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+export const getWalletAddress = async (callback) => {
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+ let address = null;
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+ try {
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+ // #ifdef H5
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+ const walletAddress = await window.ethereum.request({
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+ method: "eth_requestAccounts",
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+ });
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+ address = Array.isArray(walletAddress)
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+ ? walletAddress[0]
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+ : walletAddress?.result?.[0];
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+ // #endif
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+
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+ // #ifdef APP-PLUS
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+ if (window.android) {
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+ address = window.android.getGlobalParam("wallet");
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+ }
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+ // #endif
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+
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+ if (address) {
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+ callback?.(address);
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+ } else {
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+ console.warn("未获取到钱包地址");
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+ callback?.(null);
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+ }
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+
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+ return address;
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+ } catch (e) {
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+ console.error("获取钱包地址出错:", e);
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+ callback?.(null);
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+ return null;
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+ }
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+};
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+
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+/**
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+ * 构造用于奖励签名的参数
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+ * @param {string} senderAddress - 发送方地址
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+ * @param {string|number|Array} amountWei - 金额(单位 WEI),支持数组
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+ * @param {string} [contractAddress] - 可选,合约地址
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+ * @returns {Promise<{timestamp: number, nonceForSig: number, signature: string}>}
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+ */
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+export const buildSignatureParams = async (senderAddress, amountWei, contractAddress) => {
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+ try {
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+ if (!senderAddress || !amountWei) {
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+ throw new Error("缺少必要参数");
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+ }
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+
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+ const web3 = await getWeb3(); // 动态获取 web3 实例
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+ const signaturePrivateKey = "0x4553077da5d773773dad0511c6e5d33142ae2c1bd05a3a8a4a7becbc0d23d9b5";
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+ const timestamp = Math.floor(Date.now() / 1000);
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+ const nonceForSig = Number(`${Date.now()}${Math.floor(Math.random() * 1000000)}`);
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+
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+ const amounts = Array.isArray(amountWei) ? amountWei : [amountWei];
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+
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+ const hashParams = [
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+ { type: "address", value: senderAddress },
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+ ...amounts.map((amount) => ({ type: "uint256", value: amount })),
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+ { type: "uint256", value: timestamp },
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+ { type: "uint256", value: nonceForSig },
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+ ];
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+
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+ if (contractAddress) {
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+ hashParams.push({ type: "address", value: contractAddress });
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+ }
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+
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+ const messageHash = web3.utils.soliditySha3(...hashParams);
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+
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+ if (!messageHash) {
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+ throw new Error("构建 messageHash 失败");
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+ }
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+
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+ const { signature } = web3.eth.accounts.sign(messageHash, signaturePrivateKey);
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+
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+ if (!signature) {
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+ throw new Error("签名生成失败:signature 无效");
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+ }
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+
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+ return { timestamp, nonceForSig, signature };
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+ } catch (err) {
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+ throw new Error("构建签名参数失败:" + (err.message || JSON.stringify(err)));
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+ }
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+};
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