// Lifecycle tests for the post-broadcast transaction status views
// (src/popup/views/txStatus.js).
//
// The bug these pin down: the receipt poll rendered both outcomes on the tick
// that crossed the 60-second deadline, so a confirmed transaction was replaced
// by "not confirmed within 60 seconds" — the user is told their transaction
// failed when it succeeded. The same shape applies to any callback that
// outlives its wait: a receipt lookup still in flight when the view is left
// must not render over whatever replaced it.
//
// Fake timers make the race deterministic: the receipt promise is already
// resolved when the deadline tick runs, so in the unfixed code showSuccess()
// is always followed by showError() on that tick.
//
// No network: getProvider is mocked at the module boundary and there is no
// jsdom in this repo, so the handful of DOM calls these views make are served
// by the stub below.

jest.mock("../src/shared/log", () => ({
    log: {
        debugf: () => {},
        infof: () => {},
        warnf: () => {},
        errorf: jest.fn(),
    },
    debugFetch: jest.fn(),
    setRuntimeDebug: () => {},
    isDebug: () => false,
}));

const mockReceiptLookup = jest.fn();
// The RPC URL and network of every node a wait was given.
const mockNodes = [];
jest.mock("../src/shared/balances", () => ({
    getProvider: (rpcUrl, networkId) => {
        mockNodes.push({ rpcUrl, networkId });
        return { getTransactionReceipt: mockReceiptLookup };
    },
    refreshBalances: jest.fn(),
}));

global.fetch = jest.fn(() => {
    throw new Error("tests must not perform network requests");
});

// ---------------------------------------------------------------------------
// Minimal DOM. Every element is created on demand and remembered by id, so a
// test can read back what a view wrote into it.
// ---------------------------------------------------------------------------

const elements = new Map();

function makeElement(id) {
    const classes = new Set(["view", "hidden"]);
    const el = {
        id,
        textContent: "",
        innerHTML: "",
        style: {},
        classList: {
            add: (c) => classes.add(c),
            remove: (c) => classes.delete(c),
            contains: (c) => classes.has(c),
            toggle: (c, on) => (on ? classes.add(c) : classes.delete(c)),
        },
        addEventListener: () => {},
        querySelectorAll: () => [],
        remove: () => {},
        prepend: () => {},
    };
    // Views reach for .parentElement to hide whole sections.
    Object.defineProperty(el, "parentElement", {
        get: () => getElement(id + "-parent"),
    });
    return el;
}

function getElement(id) {
    if (!elements.has(id)) elements.set(id, makeElement(id));
    return elements.get(id);
}

global.document = {
    getElementById: (id) => getElement(id),
    // escapeHtml() builds a detached div; textContent in, escaped HTML out.
    createElement: () => {
        const el = { innerHTML: "" };
        Object.defineProperty(el, "textContent", {
            set(v) {
                el.innerHTML = String(v)
                    .replace(/&/g, "&")
                    .replace(/</g, "&lt;")
                    .replace(/>/g, "&gt;");
            },
        });
        return el;
    },
    body: { prepend: () => {} },
    addEventListener: () => {},
};

global.window = { location: { search: "" } };

const fs = require("fs");
const path = require("path");

// Clones in both directions, as the real chrome.storage.local does; the stub
// here used to hand back the live stored object, so an in-memory mutation
// looked like a write that had reached storage. See
// tests/support/storageStub.js.
const { makeStorageStub } = require("./support/storageStub");

const storage = makeStorageStub();
global.chrome = { storage };

const txStatus = require("../src/popup/views/txStatus");
const { state } = require("../src/shared/state");
const { NETWORKS } = require("../src/shared/networks");
const { RESTORABLE_VIEWS } = require("../src/shared/restorableViews");
const { log } = require("../src/shared/log");

const TX_HASH =
    "0x85215772ed26ea8b39c2b3b18779030487efbe0b5fd7e882592b2f62b837be84";
const RECIPIENT = "0x66133E8ea0f5D1d612D2502a968757D1048c214a";
const TX_INFO = {
    to: RECIPIENT,
    amount: "0.0050",
    token: "ETH",
    tokenSymbol: null,
    chainId: NETWORKS.mainnet.chainId,
};

// True when a view element is not hidden.
function visible(view) {
    return !getElement("view-" + view).classList.contains("hidden");
}

function waitStatusText() {
    return getElement("wait-tx-status").textContent;
}

// Stands in for the popup's: aborting it is the popup closing.
let pageClosed;

beforeEach(() => {
    jest.useFakeTimers();
    jest.setSystemTime(new Date("2026-08-11T12:00:00Z"));
    elements.clear();
    mockReceiptLookup.mockReset();
    mockNodes.length = 0;
    log.errorf.mockClear();
    state.networkId = "mainnet";
    state.rpcUrl = NETWORKS.mainnet.defaultRpcUrl;
    state.networkEndpoints = {};
    state.wallets = [];
    state.trackedTokens = [];
    state.networkTrackedTokens = {};
    state.viewData = {};
    state.viewStack = [];
    state.currentView = null;
    pageClosed = new AbortController();
    txStatus.init({
        doRefreshAndRender: jest.fn(),
        pageClosed: pageClosed.signal,
    });
});

afterEach(() => {
    txStatus.endWait();
    jest.useRealTimers();
});

describe("WaitTx receipt/timeout race", () => {
    test("a receipt arriving on the deadline tick leaves the user on SuccessTx", async () => {
        // No receipt for the first five polls; the sixth — the tick at
        // t=60s, which is also the timeout deadline — returns one.
        mockReceiptLookup
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce(null)
            .mockResolvedValue({ blockNumber: 21000000 });

        txStatus.showWait(TX_INFO, TX_HASH);
        expect(visible("wait-tx")).toBe(true);

        await jest.advanceTimersByTimeAsync(60000);

        expect(visible("success-tx")).toBe(true);
        expect(visible("error-tx")).toBe(false);
        expect(state.currentView).toBe("success-tx");
        expect(state.viewData.blockNumber).toBe(21000000);
        expect(state.viewData.message).toBeUndefined();

        // And nothing is left running to undo it.
        expect(jest.getTimerCount()).toBe(0);
        await jest.advanceTimersByTimeAsync(300000);
        expect(state.currentView).toBe("success-tx");
        expect(mockReceiptLookup).toHaveBeenCalledTimes(6);
    });

    test("a genuine timeout still shows ErrorTx with the hash", async () => {
        mockReceiptLookup.mockResolvedValue(null);

        txStatus.showWait(TX_INFO, TX_HASH);
        await jest.advanceTimersByTimeAsync(60000);

        expect(visible("error-tx")).toBe(true);
        expect(state.currentView).toBe("error-tx");
        expect(state.viewData.message).toMatch(
            /not confirmed within 60 seconds/,
        );
        expect(state.viewData.hash).toBe(TX_HASH);
        // The hash section carries the hash and the etherscan link.
        expect(getElement("error-tx-hash").innerHTML).toContain(TX_HASH);
        expect(getElement("error-tx-hash").innerHTML).toContain(
            "/tx/" + TX_HASH,
        );
        expect(jest.getTimerCount()).toBe(0);
    });

    test("a receipt still in flight when the view is left does not render over it", async () => {
        let resolveReceipt;
        mockReceiptLookup.mockReturnValue(
            new Promise((r) => {
                resolveReceipt = r;
            }),
        );

        txStatus.showWait(TX_INFO, TX_HASH);
        await jest.advanceTimersByTimeAsync(10000);
        expect(mockReceiptLookup).toHaveBeenCalledTimes(1);

        // User leaves the wait (popup navigation / teardown) while the
        // lookup is outstanding, then the lookup finally answers.
        txStatus.endWait();
        state.currentView = "main";
        resolveReceipt({ blockNumber: 21000000 });
        await Promise.resolve();
        await Promise.resolve();

        expect(state.currentView).toBe("main");
        expect(visible("success-tx")).toBe(false);
    });

    test("no timer survives the view being left", async () => {
        mockReceiptLookup.mockResolvedValue(null);

        txStatus.showWait(TX_INFO, TX_HASH);
        expect(jest.getTimerCount()).toBeGreaterThan(0);

        txStatus.endWait();
        expect(jest.getTimerCount()).toBe(0);

        await jest.advanceTimersByTimeAsync(120000);
        expect(mockReceiptLookup).not.toHaveBeenCalled();
    });
});

describe("WaitTx persistence across popup close", () => {
    test("restoreWait resumes the poll with the deadline running from broadcast", async () => {
        mockReceiptLookup.mockResolvedValue(null);

        txStatus.showWait(TX_INFO, TX_HASH);
        expect(state.viewData.pendingWait.hash).toBe(TX_HASH);
        const persisted = JSON.parse(JSON.stringify(state.viewData));

        // Popup closes: timers die with the page.
        txStatus.endWait();

        // 45 seconds pass with the popup shut, then it is reopened.
        jest.advanceTimersByTime(45000);
        state.viewData = persisted;
        expect(txStatus.restoreWait()).toBe(true);

        expect(visible("wait-tx")).toBe(true);
        // Elapsed is counted from the broadcast, not from the reopen.
        expect(waitStatusText()).toBe("Waiting for confirmation... 45s");
        // The immediate poll on resume has already run.
        await Promise.resolve();
        expect(mockReceiptLookup).toHaveBeenCalledTimes(1);

        // The deadline is 15 seconds away, not 60.
        await jest.advanceTimersByTimeAsync(20000);
        expect(state.currentView).toBe("error-tx");
    });

    test("a rejected lookup on the resume poll keeps waiting instead of reporting failure", async () => {
        // A wait resumed after the deadline has already passed: the first
        // poll is immediate and past 60s, so a thrown lookup must not be
        // read as "no receipt". It means "no answer this tick" — keep
        // polling, because the transaction may well have confirmed.
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait(TX_INFO, TX_HASH);
        const persisted = JSON.parse(JSON.stringify(state.viewData));
        txStatus.endWait();

        // Ten minutes with the popup shut, then it is reopened and the
        // first receipt lookup fails transiently.
        jest.advanceTimersByTime(600000);
        mockReceiptLookup.mockReset();
        mockReceiptLookup
            .mockRejectedValueOnce(new Error("rpc unavailable"))
            .mockResolvedValue({ blockNumber: 21000000 });

        state.viewData = persisted;
        expect(txStatus.restoreWait()).toBe(true);
        await jest.advanceTimersByTimeAsync(0);

        // The wait is still alive: no timeout was declared off one error.
        expect(visible("wait-tx")).toBe(true);
        expect(visible("error-tx")).toBe(false);
        expect(state.currentView).toBe("wait-tx");
        expect(jest.getTimerCount()).toBeGreaterThan(0);

        // And the next tick answers, so the confirmed transaction is
        // reported as confirmed.
        await jest.advanceTimersByTimeAsync(10000);
        expect(state.currentView).toBe("success-tx");
        expect(state.viewData.blockNumber).toBe(21000000);
    });

    test("a lookup returning null past the deadline still times out", async () => {
        // The counterpart to the test above: the deadline must still fire
        // when the lookup actually answers "no receipt".
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait(TX_INFO, TX_HASH);
        const persisted = JSON.parse(JSON.stringify(state.viewData));
        txStatus.endWait();

        jest.advanceTimersByTime(600000);
        state.viewData = persisted;
        expect(txStatus.restoreWait()).toBe(true);
        await jest.advanceTimersByTimeAsync(0);

        expect(state.currentView).toBe("error-tx");
        expect(state.viewData.message).toMatch(
            /not confirmed within 60 seconds/,
        );
    });

    test("restoreWait reports nothing to resume when no wait is persisted", () => {
        state.viewData = {};
        expect(txStatus.restoreWait()).toBe(false);
        expect(jest.getTimerCount()).toBe(0);
    });

    test("restoreWait rejects a persisted wait missing its txInfo or broadcast time", () => {
        for (const bad of [
            { hash: TX_HASH, broadcastTime: Date.now() },
            { hash: TX_HASH, txInfo: TX_INFO },
            { hash: TX_HASH, txInfo: TX_INFO, broadcastTime: "soon" },
            { hash: TX_HASH, txInfo: TX_INFO, broadcastTime: NaN },
            { hash: TX_HASH, txInfo: "nope", broadcastTime: Date.now() },
            // An object that merely lacks a field startWait() dereferences
            // is the shape that actually escaped: txInfo.to reaches
            // addressTitle(), which calls address.toLowerCase(). typeof []
            // is "object", so an array passes an object check.
            { hash: TX_HASH, txInfo: {}, broadcastTime: Date.now() },
            { hash: TX_HASH, txInfo: [], broadcastTime: Date.now() },
            { hash: TX_HASH, txInfo: { to: 42 }, broadcastTime: Date.now() },
            // Otherwise complete but for a non-string `to`: only the `to`
            // check rejects this one, and without it addressTitle() throws
            // out of restoreView().
            {
                hash: TX_HASH,
                txInfo: { ...TX_INFO, to: 42 },
                broadcastTime: Date.now(),
            },
            // Otherwise complete but an array: only Array.isArray() rejects
            // it, since typeof [] is "object" and the fields are present.
            {
                hash: TX_HASH,
                txInfo: Object.assign([], TX_INFO),
                broadcastTime: Date.now(),
            },
            {
                hash: TX_HASH,
                txInfo: { to: RECIPIENT },
                broadcastTime: Date.now(),
            },
            // Otherwise complete but for a chain id naming no network: there
            // is no node to ask for the receipt, and no explorer to link to.
            {
                hash: TX_HASH,
                txInfo: { ...TX_INFO, chainId: undefined },
                broadcastTime: Date.now(),
            },
            {
                hash: TX_HASH,
                txInfo: { ...TX_INFO, chainId: "0x5" },
                broadcastTime: Date.now(),
            },
        ]) {
            state.viewData = { pendingWait: bad };
            expect(txStatus.restoreWait()).toBe(false);
            expect(jest.getTimerCount()).toBe(0);
        }
    });

    test("restoreWait resumes a wait whose recipient is the empty string", () => {
        // The shape a contract-deployment approval persists: approval.js
        // writes `to: toAddr || ""`, and showWait() renders it without
        // complaint. Validation must not be stricter than the live path, or
        // that wait is silently abandoned on every popup open.
        mockReceiptLookup.mockResolvedValue(null);
        state.viewData = {
            pendingWait: {
                hash: TX_HASH,
                txInfo: { ...TX_INFO, to: "" },
                broadcastTime: Date.now(),
            },
        };
        expect(txStatus.restoreWait()).toBe(true);
        expect(visible("wait-tx")).toBe(true);
    });
});

describe("WaitTx against an RPC that never answers", () => {
    test("a permanently failing lookup ends the wait instead of polling forever", async () => {
        mockReceiptLookup.mockRejectedValue(new Error("rpc unavailable"));

        txStatus.showWait(TX_INFO, TX_HASH);

        // Six consecutive failures is 60 seconds at the 10s cadence — the
        // same patience as the confirmation deadline.
        await jest.advanceTimersByTimeAsync(60000);

        expect(state.currentView).toBe("error-tx");
        expect(visible("wait-tx")).toBe(false);
        // The user is told what actually happened: the lookup failed. It is
        // not the same fact as "the transaction did not confirm".
        expect(state.viewData.message).toMatch(/could not be reached/i);
        expect(state.viewData.message).not.toMatch(/not confirmed within/);
        expect(state.viewData.hash).toBe(TX_HASH);

        // Nothing is left running, and nothing is left to resume onto.
        expect(jest.getTimerCount()).toBe(0);
        expect(state.viewData.pendingWait).toBeUndefined();

        const calls = mockReceiptLookup.mock.calls.length;
        await jest.advanceTimersByTimeAsync(3600000);
        expect(mockReceiptLookup).toHaveBeenCalledTimes(calls);
        expect(state.currentView).toBe("error-tx");
    });

    test("an answered lookup clears the failure count, so the bound is on consecutive failures", async () => {
        // The bound counts failures in a row, not failures in total: a
        // flaky RPC that keeps answering in between must not accumulate its
        // way to a false "network unreachable".
        //
        // Polls 1-5 (t=10s..50s) alternate reject / null, so three fail and
        // the last answer resets the count at poll 4. From poll 6 on every
        // lookup fails. Six in a row is then poll 10, at t=100s. A counter
        // that never reset would have reached six at poll 8, t=80s, so the
        // window between those two is what this test occupies.
        mockReceiptLookup.mockImplementation(() => {
            const n = mockReceiptLookup.mock.calls.length;
            if (n <= 5 && n % 2 === 0) return Promise.resolve(null);
            return Promise.reject(new Error("flaky"));
        });

        txStatus.showWait(TX_INFO, TX_HASH);

        // t=90s: eight failures in total, five of them in a row. A
        // cumulative counter has long since fired; a consecutive one has not.
        await jest.advanceTimersByTimeAsync(90000);
        expect(state.currentView).toBe("wait-tx");
        expect(visible("wait-tx")).toBe(true);
        expect(jest.getTimerCount()).toBeGreaterThan(0);

        // t=100s: the sixth in a row.
        await jest.advanceTimersByTimeAsync(10000);
        expect(state.currentView).toBe("error-tx");
        expect(state.viewData.message).toMatch(/could not be reached/i);
        // No lookup ever answered "no receipt" past the deadline, so this
        // is not the timeout and must not be reported as one.
        expect(state.viewData.message).not.toMatch(/not confirmed within/);
        expect(jest.getTimerCount()).toBe(0);
    });

    test("a resumed wait against a dead RPC also terminates", async () => {
        // The reopen path is the one that made this unbounded: the wait is
        // persisted, so without a bound every popup open resumes it forever.
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait(TX_INFO, TX_HASH);
        const persisted = JSON.parse(JSON.stringify(state.viewData));
        txStatus.endWait();

        jest.advanceTimersByTime(3600000);
        mockReceiptLookup.mockReset();
        mockReceiptLookup.mockRejectedValue(new Error("rpc unavailable"));

        state.viewData = persisted;
        expect(txStatus.restoreWait()).toBe(true);
        await jest.advanceTimersByTimeAsync(60000);

        expect(state.currentView).toBe("error-tx");
        expect(state.viewData.message).toMatch(/could not be reached/i);
        expect(jest.getTimerCount()).toBe(0);
        expect(state.viewData.pendingWait).toBeUndefined();
    });
});

// In the popup a lookup its own closing cancelled fails as a lookup against an
// RPC that cannot be reached does, and is not reported
// (https://git.eeqj.de/sneak/AutistMask/issues/475).
describe("WaitTx when the popup closes", () => {
    test("a lookup that fails while the popup is open is reported", async () => {
        mockReceiptLookup.mockRejectedValue(new TypeError("Failed to fetch"));
        txStatus.showWait(TX_INFO, TX_HASH);
        await jest.advanceTimersByTimeAsync(10000);
        expect(log.errorf).toHaveBeenCalledWith(
            "poll receipt failed:",
            "Failed to fetch",
        );
    });

    test("a lookup that fails once the popup has closed is not", async () => {
        mockReceiptLookup.mockRejectedValue(new TypeError("Failed to fetch"));
        txStatus.showWait(TX_INFO, TX_HASH);
        pageClosed.abort();
        await jest.advanceTimersByTimeAsync(10000);
        expect(mockReceiptLookup).toHaveBeenCalledTimes(1);
        expect(log.errorf).not.toHaveBeenCalled();
    });
});

// The popup can reopen onto WaitTx after Settings switched the network. The
// wait asked the active network's node for the receipt, never found it, and
// reported a timeout, and its links went to the active network's explorer
// (https://git.eeqj.de/sneak/AutistMask/issues/584).
describe("WaitTx for a Sepolia transaction with mainnet active", () => {
    const SEPOLIA_NODE = "https://sepolia.node.example.invalid";
    const sepoliaTx = { ...TX_INFO, chainId: NETWORKS.sepolia.chainId };

    beforeEach(() => {
        state.rpcUrl = "https://mainnet.node.example.invalid";
        state.networkEndpoints = { sepolia: { rpcUrl: SEPOLIA_NODE } };
    });

    test("the receipt is asked of the Sepolia node Settings has", async () => {
        mockReceiptLookup.mockResolvedValue({ blockNumber: 21000000 });
        state.viewData = {
            pendingWait: {
                txInfo: sepoliaTx,
                hash: TX_HASH,
                broadcastTime: Date.now(),
            },
        };
        expect(txStatus.restoreWait()).toBe(true);
        await jest.advanceTimersByTimeAsync(0);

        expect(mockNodes).toEqual([
            { rpcUrl: SEPOLIA_NODE, networkId: "sepolia" },
        ]);
        expect(state.currentView).toBe("success-tx");
    });

    test("the recipient and hash link to the Sepolia explorer", () => {
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait(sepoliaTx, TX_HASH);

        expect(getElement("wait-tx-to").innerHTML).toContain(
            `href="https://sepolia.etherscan.io/address/${RECIPIENT}"`,
        );
        expect(getElement("wait-tx-hash").innerHTML).toContain(
            `href="https://sepolia.etherscan.io/tx/${TX_HASH}"`,
        );
    });
});

// SuccessTx and ErrorTx follow WaitTx and describe the same transaction, but
// their links went to the active network's explorer
// (https://git.eeqj.de/sneak/AutistMask/issues/622). Each test checks the
// screen again after rendering it from its stored view data alone, as a
// reopened popup does.
describe("SuccessTx and ErrorTx for a Sepolia transaction with mainnet active", () => {
    const SEPOLIA_EXPLORER = "https://sepolia.etherscan.io";
    const TOKEN = "0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238";
    const sepoliaTx = { ...TX_INFO, chainId: NETWORKS.sepolia.chainId };

    test("the recipient, block and hash on SuccessTx link to the Sepolia explorer", async () => {
        function expectSepoliaLinks() {
            expect(getElement("success-tx-to").innerHTML).toContain(
                `href="${SEPOLIA_EXPLORER}/address/${RECIPIENT}"`,
            );
            expect(getElement("success-tx-block").innerHTML).toContain(
                `href="${SEPOLIA_EXPLORER}/block/21000000"`,
            );
            expect(getElement("success-tx-hash").innerHTML).toContain(
                `href="${SEPOLIA_EXPLORER}/tx/${TX_HASH}"`,
            );
        }
        mockReceiptLookup.mockResolvedValue({ blockNumber: 21000000 });
        txStatus.showWait(sepoliaTx, TX_HASH);
        await jest.advanceTimersByTimeAsync(10000);
        expect(state.currentView).toBe("success-tx");
        expectSepoliaLinks();

        elements.clear();
        txStatus.renderSuccess();
        expectSepoliaLinks();
    });

    test("the addresses in SuccessTx's decoded action link to the Sepolia explorer", async () => {
        function expectSepoliaLinks() {
            const html = getElement("success-tx-decoded").innerHTML;
            expect(html).toContain(
                `href="${SEPOLIA_EXPLORER}/address/${TOKEN}"`,
            );
            expect(html).toContain(
                `href="${SEPOLIA_EXPLORER}/address/${RECIPIENT}"`,
            );
        }
        const decoded = {
            name: "Transfer",
            details: [
                { label: "Token", value: TOKEN, address: TOKEN, isToken: true },
                { label: "Recipient", value: RECIPIENT, address: RECIPIENT },
            ],
        };
        mockReceiptLookup.mockResolvedValue({ blockNumber: 21000000 });
        txStatus.showWait({ ...sepoliaTx, decoded }, TX_HASH);
        await jest.advanceTimersByTimeAsync(10000);
        expect(state.currentView).toBe("success-tx");
        expectSepoliaLinks();

        elements.clear();
        txStatus.renderSuccess();
        expectSepoliaLinks();
    });

    // https://git.eeqj.de/sneak/AutistMask/issues/629
    test("SuccessTx's decoded action names the token from the tokens tracked on Sepolia", async () => {
        function expectTokenNamed() {
            expect(getElement("success-tx-decoded").innerHTML).toContain(
                '<div class="font-bold">TDOL</div>',
            );
        }
        state.networkTrackedTokens = {
            sepolia: [{ address: TOKEN, symbol: "TDOL", decimals: 6 }],
        };
        const decoded = {
            name: "Transfer",
            details: [
                { label: "Token", value: TOKEN, address: TOKEN, isToken: true },
            ],
        };
        mockReceiptLookup.mockResolvedValue({ blockNumber: 21000000 });
        txStatus.showWait({ ...sepoliaTx, decoded }, TX_HASH);
        await jest.advanceTimersByTimeAsync(10000);
        expect(state.currentView).toBe("success-tx");
        expectTokenNamed();

        elements.clear();
        txStatus.renderSuccess();
        expectTokenNamed();
    });

    test("the recipient and hash on ErrorTx link to the Sepolia explorer", () => {
        function expectSepoliaLinks() {
            expect(getElement("error-tx-to").innerHTML).toContain(
                `href="${SEPOLIA_EXPLORER}/address/${RECIPIENT}"`,
            );
            expect(getElement("error-tx-hash").innerHTML).toContain(
                `href="${SEPOLIA_EXPLORER}/tx/${TX_HASH}"`,
            );
        }
        txStatus.showError(sepoliaTx, TX_HASH, "The transaction failed.");
        expectSepoliaLinks();

        elements.clear();
        txStatus.renderError();
        expectSepoliaLinks();
    });
});

describe("the Moved from the sender lines of a swap on WaitTx and ErrorTx", () => {
    const moved = (value) => ({ label: "Moved from the sender", value });
    const decoded = {
        details: [
            moved("Up to 1.0000 ETH"),
            { label: "Token moved", value: "ETH" },
            moved("<b>400.0000</b> DAI"),
        ],
    };

    function expectEveryLine(id) {
        const html = getElement(id).innerHTML;
        expect(html).toContain("Up to 1.0000 ETH");
        expect(html).toContain("&lt;b&gt;400.0000&lt;/b&gt; DAI");
        expect(html).not.toContain("Token moved");
    }

    test("WaitTx shows each line's amount, escaped", () => {
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait({ ...TX_INFO, decoded }, TX_HASH);
        expectEveryLine("wait-tx-token-note");
    });

    test("ErrorTx shows each line's amount, escaped", () => {
        txStatus.showError({ ...TX_INFO, decoded }, TX_HASH, "It failed.");
        expectEveryLine("error-tx-token-note");
    });

    test("a wait that ends in ErrorTx keeps them", async () => {
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait({ ...TX_INFO, decoded }, TX_HASH);
        await jest.advanceTimersByTimeAsync(60000);
        expect(state.currentView).toBe("error-tx");
        expectEveryLine("error-tx-token-note");
    });

    // A saved record comes back from storage, in whatever shape it is in. A
    // throw here would leave the popup's restore unfinished.
    test("a saved record in another shape shows only the lines it can read", () => {
        mockReceiptLookup.mockResolvedValue(null);
        function noteOnReopen(saved) {
            state.viewData = {
                pendingWait: {
                    hash: TX_HASH,
                    txInfo: { ...TX_INFO, decoded: saved },
                    broadcastTime: Date.now(),
                },
            };
            expect(txStatus.restoreWait()).toBe(true);
            const waitNote = getElement("wait-tx-token-note").innerHTML;
            txStatus.endWait();

            state.viewData = {
                message: "It failed.",
                to: RECIPIENT,
                chainId: TX_INFO.chainId,
                decoded: saved,
            };
            txStatus.renderError();
            expect(getElement("error-tx-token-note").innerHTML).toBe(waitNote);
            return waitNote;
        }

        for (const saved of [
            7,
            "text",
            { details: 7 },
            { details: [null] },
            { details: [{ label: "Moved from the sender" }] },
            { details: [moved(7)] },
            { details: [moved({ toString: 1 })] },
            { details: [{ label: "Permit2 allowance", value: 7 }] },
            {
                details: [
                    { label: "Permit2 allowance", value: "text", address: 7 },
                ],
            },
            {
                details: [
                    {
                        label: "Allowance token",
                        value: "text",
                        address: 7,
                        isToken: true,
                    },
                ],
            },
        ]) {
            expect(noteOnReopen(saved)).toBe("");
        }
        expect(
            noteOnReopen({ details: [null, moved("Up to 1.0000 ETH")] }),
        ).toContain("Up to 1.0000 ETH");
    });
});

describe("the Permit2 allowance lines of a swap on WaitTx and ErrorTx", () => {
    const USDC = "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48";
    const allowance = (value) => ({ label: "Permit2 allowance", value });
    const decoded = {
        details: [
            allowance("Unlimited"),
            {
                label: "Allowance token",
                value: "USDC (" + USDC + ")",
                address: USDC,
                isToken: true,
            },
            {
                label: "Allowance spender",
                value: RECIPIENT,
                address: RECIPIENT,
            },
            allowance("<b>400.0000</b> DAI"),
        ],
    };

    function expectEveryLine(id) {
        const html = getElement(id).innerHTML;
        expect(html).toContain("Permit2 allowance");
        expect(html).toContain("Unlimited");
        expect(html).toContain("&lt;b&gt;400.0000&lt;/b&gt; DAI");
        expect(html).not.toContain("Allowance spender");
        expect(html).not.toContain(RECIPIENT);
    }

    // `Unlimited` alone does not say which token it covers. The address gets
    // the row of its own that every address gets, in the transaction's network.
    function expectTokenLine(id) {
        const html = getElement(id).innerHTML;
        expect(html.indexOf("Unlimited")).toBeLessThan(
            html.indexOf("Allowance token"),
        );
        expect(html).toContain('<div class="font-bold">USDC</div>');
        expect(html).toContain(`data-copy="${USDC}"`);
        expect(html).toContain(`href="https://etherscan.io/address/${USDC}"`);
        expect(html).toMatch(/<div class="text-xs">.*class="am-address"/);
    }

    test("WaitTx says which token an allowance covers", () => {
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait({ ...TX_INFO, decoded }, TX_HASH);
        expectTokenLine("wait-tx-token-note");
    });

    test("ErrorTx says which token an allowance covers", () => {
        txStatus.showError({ ...TX_INFO, decoded }, TX_HASH, "It failed.");
        expectTokenLine("error-tx-token-note");
    });

    test("the token's address links to the transaction's network", () => {
        const sepoliaTx = {
            ...TX_INFO,
            chainId: NETWORKS.sepolia.chainId,
            decoded,
        };
        txStatus.showError(sepoliaTx, TX_HASH, "It failed.");
        expect(getElement("error-tx-token-note").innerHTML).toContain(
            `href="https://sepolia.etherscan.io/address/${USDC}"`,
        );
    });

    test("the token's address can be copied on an ErrorTx with no hash", () => {
        const view = getElement("view-error-tx");
        view.querySelectorAll = jest.fn(() => []);
        txStatus.showError({ ...TX_INFO, decoded }, null, "It failed.");
        expect(view.querySelectorAll).toHaveBeenCalledWith("[data-copy]");
    });

    test("WaitTx shows each line's amount, escaped", () => {
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait({ ...TX_INFO, decoded }, TX_HASH);
        expectEveryLine("wait-tx-token-note");
    });

    test("ErrorTx shows each line's amount, escaped", () => {
        txStatus.showError({ ...TX_INFO, decoded }, TX_HASH, "It failed.");
        expectEveryLine("error-tx-token-note");
    });

    test("a wait that ends in ErrorTx keeps them", async () => {
        mockReceiptLookup.mockResolvedValue(null);
        txStatus.showWait({ ...TX_INFO, decoded }, TX_HASH);
        await jest.advanceTimersByTimeAsync(60000);
        expect(state.currentView).toBe("error-tx");
        expectEveryLine("error-tx-token-note");
    });
});

// An amount of about 47 digits or more is wider than the screen. Without the
// break-words class its last digits are cut off at the edge. That class keeps
// the words of a line such as `(decimals unknown)` whole.
describe("a long amount on WaitTx and ErrorTx", () => {
    test("each amount under the Amount figure wraps", () => {
        const decoded = {
            details: [
                { label: "Moved from the sender", value: "1.0000 ETH" },
                { label: "Permit2 allowance", value: "Unlimited" },
            ],
        };
        txStatus.showError({ ...TX_INFO, decoded }, TX_HASH, "It failed.");
        const html = getElement("error-tx-token-note").innerHTML;
        expect(html).toContain(
            '<div class="font-bold break-words">1.0000 ETH<',
        );
        expect(html).toContain('<div class="font-bold break-words">Unlimited<');
    });

    test("the Amount figure wraps", () => {
        const html = fs.readFileSync(
            path.join(__dirname, "..", "src", "popup", "index.html"),
            "utf8",
        );
        expect(html).toMatch(
            /id="wait-tx-summary"\s+class="font-bold break-words"/,
        );
        expect(html).toMatch(
            /id="error-tx-summary"\s+class="font-bold break-words"/,
        );
    });
});

// A saved wait comes back from storage, in whatever shape it is in. A throw when
// its receipt arrives would leave the popup on WaitTx with the counter stopped.
describe("a saved wait in another shape when its receipt arrives", () => {
    const LINE = { label: "Steps", value: "V3_SWAP_EXACT_IN" };

    async function receiptForSavedWait(decoded) {
        mockReceiptLookup.mockResolvedValue({ blockNumber: 21000000 });
        state.viewData = {
            pendingWait: {
                hash: TX_HASH,
                txInfo: { ...TX_INFO, decoded },
                broadcastTime: Date.now(),
            },
        };
        expect(txStatus.restoreWait()).toBe(true);
        await jest.advanceTimersByTimeAsync(0);
    }

    test.each([
        { details: 7 },
        { details: "text" },
        { details: { label: "Steps", value: "text" } },
        { details: [null] },
        { details: [7] },
        { details: ["text"] },
        { details: [{ value: "text" }] },
        { details: [{ label: 7, value: "text" }] },
        { details: [{ label: { toString: 1 }, value: "text" }] },
        { details: [{ label: "Steps" }] },
        { details: [{ label: "Steps", value: 7 }] },
        { details: [{ label: "Steps", value: { toString: 1 } }] },
        { details: [{ label: "Steps", address: RECIPIENT }] },
        { details: [{ label: "Steps", value: "text", address: 7 }] },
        {
            details: [
                { label: "Steps", value: "text", address: 7, isToken: true },
            ],
        },
        { name: "Swap", description: "A swap", details: [null] },
    ])("%j shows SuccessTx with the amount and recipient", async (decoded) => {
        await receiptForSavedWait(decoded);
        expect(state.currentView).toBe("success-tx");
        expect(
            getElement("success-tx-decoded").classList.contains("hidden"),
        ).toBe(true);
        expect(
            getElement("success-tx-summary-parent").classList.contains(
                "hidden",
            ),
        ).toBe(false);
        expect(getElement("success-tx-summary").textContent).toBe("0.0050 ETH");
        expect(
            getElement("success-tx-to-parent").classList.contains("hidden"),
        ).toBe(false);
        expect(getElement("success-tx-to").innerHTML).toContain(RECIPIENT);
    });

    test.each([
        { details: [null, LINE, 7] },
        { name: 7, details: [LINE] },
        { name: { toString: 1 }, details: [LINE] },
        { description: 7, details: [LINE] },
        { description: { toString: 1 }, details: [LINE] },
    ])("%j shows SuccessTx with the line it can read", async (decoded) => {
        await receiptForSavedWait(decoded);
        expect(state.currentView).toBe("success-tx");
        const html = getElement("success-tx-decoded").innerHTML;
        expect(html).toContain("V3_SWAP_EXACT_IN");
        expect(html).not.toContain("Action");
        expect(html).not.toContain("Description");
    });
});

describe("wait-tx is a view the popup may reopen onto", () => {
    // The resume feature is wired through RESTORABLE_VIEWS: restoreView()
    // refuses any view not in the set, so dropping "wait-tx" from it kills
    // the resume silently — the tests above call restoreWait() directly and
    // would all still pass. This pins the membership. Mirrors the exclusion
    // assertions in tests/showPhrase.test.js.
    test("wait-tx is restorable", () => {
        expect(RESTORABLE_VIEWS.has("wait-tx")).toBe(true);
    });
});