2569718930@qq.com
219 lines
6.1 KiB
TypeScript
219 lines
6.1 KiB
TypeScript
import type { EvmProvider } from "./types";
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import { WALLET_REQUEST_TIMEOUT_MS } from "./constants";
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import { isWalletConnectResetError } from "./wallet";
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export function toPaddedHex(value: bigint) {
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return value.toString(16).padStart(64, "0");
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}
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export function toPaddedAddress(address: string) {
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return String(address || "")
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.toLowerCase()
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.replace(/^0x/, "")
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.padStart(64, "0");
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}
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export function buildAllowanceCalldata(owner: string, spender: string) {
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return `0xdd62ed3e${toPaddedAddress(owner)}${toPaddedAddress(spender)}`;
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}
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export function buildApproveCalldata(spender: string, amount: bigint) {
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return `0x095ea7b3${toPaddedAddress(spender)}${toPaddedHex(amount)}`;
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}
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export function buildBalanceOfCalldata(owner: string) {
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return `0x70a08231${toPaddedAddress(owner)}`;
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}
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export async function requestWalletWithTimeout<T>(
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provider: EvmProvider,
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args: { method: string; params?: unknown[] },
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actionLabel = "钱包操作",
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timeoutMs = WALLET_REQUEST_TIMEOUT_MS,
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): Promise<T> {
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let timeoutId: ReturnType<typeof setTimeout> | undefined;
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try {
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return (await Promise.race([
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provider.request(args),
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new Promise<never>((_, reject) => {
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timeoutId = setTimeout(() => {
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reject(
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new Error(
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`${actionLabel}长时间无响应，请确认钱包弹窗是否被拦截；如使用 Binance Web3 Wallet，请回到钱包确认或重新连接后再试。`,
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),
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);
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}, timeoutMs);
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}),
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])) as T;
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} finally {
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if (timeoutId) clearTimeout(timeoutId);
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}
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}
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export function formatTokenUnits(amount: bigint, decimals: number) {
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const safeDecimals =
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Number.isFinite(decimals) && decimals >= 0 ? Math.floor(decimals) : 6;
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const base = 10n ** BigInt(safeDecimals);
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const whole = amount / base;
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const fraction = amount % base;
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if (fraction === 0n) return whole.toString();
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const rawFraction = fraction.toString().padStart(safeDecimals, "0");
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const trimmed = rawFraction.replace(/0+$/, "");
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return `${whole.toString()}.${trimmed}`;
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}
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export type NormalizedPaymentError = {
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message: string;
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pending: boolean;
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userRejected: boolean;
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};
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export function looksLikeHtmlDocument(value: string) {
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const text = String(value || "").trim().toLowerCase();
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return (
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text.startsWith("<!doctype html") ||
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text.startsWith("<html") ||
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/<title>[^<]*(50\d|cloudflare|polyweather\.top)/i.test(String(value || ""))
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);
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}
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function containsCjk(value: string) {
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return /[\u3400-\u9fff]/.test(value);
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}
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function safePaymentServiceUnavailableMessage(fallback: string) {
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return containsCjk(fallback)
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? "支付服务暂时不可用，请稍后重试；如果已经付款，请保存 Tx Hash 联系管理员。"
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: "Payment service is temporarily unavailable. Please retry shortly; if you already paid, keep the Tx Hash and contact support.";
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}
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export async function readPaymentApiErrorMessage(
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response: Response,
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fallback = "Request failed",
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limit = 300,
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) {
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const raw = await response.text();
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const trimmed = String(raw || "").trim();
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if (!trimmed) return fallback;
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let message = "";
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try {
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const parsed = JSON.parse(trimmed) as {
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error?: unknown;
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detail?: unknown;
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message?: unknown;
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};
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const parsedMessage = [parsed.error, parsed.detail, parsed.message].find(
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(item) => typeof item === "string" && item.trim(),
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);
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if (typeof parsedMessage === "string") message = parsedMessage.trim();
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} catch {
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message = trimmed;
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}
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const candidate = message || trimmed;
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if (looksLikeHtmlDocument(candidate)) {
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return safePaymentServiceUnavailableMessage(fallback);
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}
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return candidate.slice(0, limit);
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}
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export function normalizePaymentError(error: unknown): NormalizedPaymentError {
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const source = error as any;
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const code = Number(
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source?.code ??
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source?.error?.code ??
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source?.data?.code ??
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source?.cause?.code ??
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NaN,
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);
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const messageCandidates = [
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source?.shortMessage,
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source?.message,
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source?.reason,
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source?.data?.message,
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source?.cause?.message,
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source?.error?.message,
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error instanceof Error ? error.message : "",
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typeof error === "string" ? error : "",
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];
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const rawMessage = messageCandidates
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.find(
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(item) =>
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typeof item === "string" &&
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item.trim() &&
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item.trim().toLowerCase() !== "[object object]",
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)
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?.trim();
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const lower = String(rawMessage || "").toLowerCase();
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if (
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lower.includes("confirm pending") ||
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lower.includes("payment pending timeout")
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) {
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return {
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message: "链上交易已提交，正在确认中，请稍后刷新查看状态。",
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pending: true,
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userRejected: false,
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};
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}
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if (isWalletConnectResetError(error)) {
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return {
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message:
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"WalletConnect 连接已重置，请重新扫码连接；若仍失败，请先在钱包里断开旧连接后再试。",
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pending: false,
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userRejected: false,
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};
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}
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const userRejected =
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code === 4001 ||
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/user rejected|user denied|rejected request|cancelled|canceled|拒绝|取消|签名请求已拒绝/.test(
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lower,
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);
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if (userRejected) {
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return {
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message: "你已取消钱包操作。",
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pending: false,
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userRejected: true,
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};
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}
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const insufficientGas =
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(code === -32000 &&
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/insufficient funds/.test(lower) &&
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/(gas|fee|native|pol|matic)/.test(lower)) ||
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/not enough pol|insufficient (pol|matic)|insufficient funds for gas|network fee|网络费|手续费/.test(
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lower,
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);
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if (insufficientGas) {
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return {
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message: "钱包 POL 不足，无法支付链上手续费，请先充值少量 POL 后重试。",
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pending: false,
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userRejected: false,
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};
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}
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if (rawMessage) {
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return {
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message: rawMessage,
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pending: false,
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userRejected: false,
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};
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}
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try {
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return {
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message: JSON.stringify(error),
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pending: false,
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userRejected: false,
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};
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} catch {
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return {
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message: "发生未知错误，请稍后重试。",
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pending: false,
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userRejected: false,
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};
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}
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}
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