feat: add wallet deletion from settings (closes #13)

src/popup/views/settings.js

@@ -2,6 +2,7 @@ const { $, showView, showFlash, escapeHtml } = require("./helpers");
 const { state, saveState } = require("../../shared/state");
 const { ETHEREUM_MAINNET_CHAIN_ID } = require("../../shared/constants");
 const { log, debugFetch } = require("../../shared/log");
+const { decryptWithPassword } = require("../../shared/vault");
 
 const runtime =
     typeof browser !== "undefined" ? browser.runtime : chrome.runtime;
@@ -192,6 +193,74 @@ function init(ctx) {
         ctx.renderWalletList();
         showView("main");
     });
+
+    $("btn-delete-wallet").addEventListener("click", () => {
+        if (state.selectedWallet === null || state.wallets.length === 0) {
+            showFlash("No wallet selected.");
+            return;
+        }
+        const wallet = state.wallets[state.selectedWallet];
+        $("delete-wallet-name").textContent = wallet.name || "this wallet";
+        $("delete-wallet-password").value = "";
+        $("delete-wallet-confirm").classList.remove("hidden");
+    });
+
+    $("btn-delete-wallet-cancel").addEventListener("click", () => {
+        $("delete-wallet-confirm").classList.add("hidden");
+        $("delete-wallet-password").value = "";
+    });
+
+    $("btn-delete-wallet-confirm").addEventListener("click", async () => {
+        const pw = $("delete-wallet-password").value;
+        if (!pw) {
+            showFlash("Password required.");
+            return;
+        }
+
+        const walletIdx = state.selectedWallet;
+        const wallet = state.wallets[walletIdx];
+
+        // Verify password against the wallet's encrypted data
+        try {
+            await decryptWithPassword(wallet.encrypted, pw);
+        } catch (_e) {
+            showFlash("Wrong password.");
+            return;
+        }
+
+        // Collect addresses to clean up from allowedSites/deniedSites
+        const addresses = (wallet.addresses || []).map((a) => a.address);
+
+        // Remove wallet
+        state.wallets.splice(walletIdx, 1);
+
+        // Clean up site permissions for deleted addresses
+        for (const addr of addresses) {
+            delete state.allowedSites[addr];
+            delete state.deniedSites[addr];
+        }
+
+        if (state.wallets.length === 0) {
+            // No wallets left — reset selection and show welcome
+            state.selectedWallet = null;
+            state.selectedAddress = null;
+            state.activeAddress = null;
+            await saveState();
+            $("delete-wallet-confirm").classList.add("hidden");
+            showView("welcome");
+        } else {
+            // Switch to first wallet if deleted wallet was active
+            state.selectedWallet = 0;
+            state.selectedAddress = 0;
+            state.activeAddress =
+                state.wallets[0].addresses[0]?.address || null;
+            await saveState();
+            $("delete-wallet-confirm").classList.add("hidden");
+            showFlash("Wallet deleted.");
+            ctx.renderWalletList();
+            showView("main");
+        }
+    });
 }
 
 module.exports = { init, show, renderSiteLists };