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#[cfg(not(feature = "ssr"))]
use crate::metamask::wallet::MetaMaskWallet;
use crate::metamask::wallet::WalletState;
use crate::wallet::evm::ChainIdToInfo;
use crate::components::{
Align, Button, Dropdown, DropdownItem, DropdownMenu, DropdownSide, DropdownTrigger, Tooltip,
button::{BtnColor, ButtonIcon},
};
use leptos::prelude::*;
#[cfg(not(feature = "ssr"))]
use leptos::task::spawn_local;
use phosphor_leptos::{CARET_DOWN, Icon, IconWeight, WALLET};
// #[cfg(feature = "ssr")]
// use crate::metamask::checksum::fix_capitalization;
use web_sys::MouseEvent;
#[cfg(not(feature = "ssr"))]
use web_sys::window;
#[component]
pub fn WalletConnectButton() -> impl IntoView {
let (wallet_state, set_wallet_state) = signal(WalletState::default());
#[cfg(not(feature = "ssr"))]
let wallet = StoredValue::new(MetaMaskWallet::new());
// Check if already connected on mount
#[cfg(not(feature = "ssr"))]
{
use crate::metamask::adapter::{ethereum_request, is_metamask_installed};
use crate::metamask::verify_save::verify_wallet_belongs_to_user;
use wasm_bindgen::JsValue;
Effect::new(move |_| {
if is_metamask_installed() {
spawn_local(async move {
// Check if we have existing accounts
let params = js_sys::Object::new();
js_sys::Reflect::set(
¶ms,
&JsValue::from_str("method"),
&JsValue::from_str("eth_accounts"),
)
.ok();
if let Ok(accounts) = ethereum_request(params.into()).await {
let accounts_array = js_sys::Array::from(&accounts);
if accounts_array.length() > 0 {
if let Some(account) = accounts_array.get(0).as_string() {
// Verify the wallet belongs to the logged-in user
match verify_wallet_belongs_to_user(account.clone()).await {
Ok(true) => {
// Wallet belongs to user, proceed with connection
let mut w = wallet.get_value();
// Get chain ID
let chain_params = js_sys::Object::new();
js_sys::Reflect::set(
&chain_params,
&JsValue::from_str("method"),
&JsValue::from_str("eth_chainId"),
)
.ok();
let chain_id = if let Ok(chain_result) =
ethereum_request(chain_params.into()).await
{
chain_result.as_string()
} else {
None
};
// Update state
w.state.connected = true;
w.state.account = Some(account.to_lowercase());
w.state.chain_id = chain_id;
set_wallet_state.set(w.state.clone());
wallet.set_value(w.clone());
// Store wallet address in local storage
if let Some(window) = window() {
if let Ok(Some(storage)) = window.local_storage() {
let _ = storage.set_item(
"wallet_address",
&account.to_lowercase(),
);
}
}
}
Ok(false) => {
// Wallet doesn't belong to user, disconnect it
leptos::logging::log!(
"Wallet {} doesn't belong to logged-in user, disconnecting",
account
);
// Keep wallet disconnected, don't update state
}
Err(e) => {
leptos::logging::error!(
"Failed to verify wallet ownership: {:?}",
e
);
// On error, keep wallet disconnected for safety
}
}
}
}
}
});
}
});
}
let connect_wallet = move |ev: MouseEvent| {
ev.prevent_default();
#[cfg(not(feature = "ssr"))]
spawn_local(async move {
let mut w = wallet.get_value();
// Clear any existing error and set loading state
w.state.error = None;
w.state.loading = true;
set_wallet_state.set(w.state.clone());
match w.connect().await {
Ok(account) => {
set_wallet_state.set(w.state.clone());
leptos::logging::log!("Connected to MetaMask: {}", account);
// Store wallet address in local storage
#[cfg(not(feature = "ssr"))]
if let Some(window) = window() {
if let Ok(Some(storage)) = window.local_storage() {
let _ = storage.set_item("wallet_address", &account.to_lowercase());
}
}
// Always request signature for verification (either for existing user or new wallet)
// Create a message to sign
let timestamp = js_sys::Date::now();
let sign_message = format!(
"Sign this message to verify you control this wallet address.\n\nTimestamp: {}",
timestamp
);
// Request signature
match w.sign_message(&sign_message).await {
Ok(signature) => {
leptos::logging::log!("Message signed successfully");
// Save to database with signature verification
let chain_id = w.state.chain_id.clone();
spawn_local(async move {
use crate::metamask::verify_save::verify_and_save_wallet;
let veri_result = verify_and_save_wallet(
account.clone(),
chain_id,
sign_message,
signature,
)
.await;
match veri_result {
Ok(_) => {
leptos::logging::log!(
"Wallet verified and saved successfully"
);
if let Some(window) = window() {
let _ = window.location().set_href("/");
}
}
Err(e) => {
leptos::logging::error!(
"Failed to verify and save wallet: {:?}",
e
);
}
}
});
}
Err(err) => {
leptos::logging::error!("Failed to sign message: {}", err);
w.state.error =
Some(format!("Failed to sign verification message: {}", err));
w.state.connected = false;
w.state.account = None;
set_wallet_state.set(w.state.clone());
}
}
}
Err(err) => {
w.state.error = Some(err.clone());
w.state.loading = false;
set_wallet_state.set(w.state.clone());
}
}
wallet.set_value(w);
});
};
let disconnect_wallet = move || {
set_wallet_state.update(|state| {
state.connected = false;
state.account = None;
state.chain_id = None;
state.error = None;
state.loading = false;
});
// Clear wallet address from local storage
#[cfg(not(feature = "ssr"))]
if let Some(window) = window() {
if let Ok(Some(storage)) = window.local_storage() {
let _ = storage.remove_item("wallet_address");
}
}
};
let switch_to_mainnet = move || {
#[cfg(not(feature = "ssr"))]
spawn_local(async move {
use crate::metamask::adapter::ethereum_request;
use wasm_bindgen::JsValue;
let params = js_sys::Object::new();
js_sys::Reflect::set(
¶ms,
&JsValue::from_str("method"),
&JsValue::from_str("wallet_switchEthereumChain"),
)
.ok();
let params_array = js_sys::Array::new();
let chain_params = js_sys::Object::new();
js_sys::Reflect::set(
&chain_params,
&JsValue::from_str("chainId"),
&JsValue::from_str("0x1"),
)
.ok();
params_array.push(&chain_params);
js_sys::Reflect::set(¶ms, &JsValue::from_str("params"), ¶ms_array).ok();
if let Err(_) = ethereum_request(params.into()).await {
set_wallet_state.update(|state| {
state.error = Some("Failed to switch chain".to_string());
});
}
});
};
view! {
<div class="flex flex-col items-center">
{move || {
let state = wallet_state.get();
if state.connected {
let chain_id_for_name = state.chain_id.clone();
view! {
<Dropdown class="relative">
<DropdownTrigger icon=ButtonIcon::Icon(WALLET)>
<span class="font-medium">
{state
.account
.as_ref()
.map(|addr| {
if addr.len() > 6 {
format!("{}...{}", &addr[..6], &addr[addr.len() - 4..])
} else {
addr.clone()
}
})
.unwrap_or_else(|| "No Address".to_string())}
</span>
<Icon icon=CARET_DOWN />
</DropdownTrigger>
<DropdownMenu side=DropdownSide::Right>
<div class="px-4 py-2 border-b border-neutral-200 dark:border-neutral-700">
<div class="flex items-center space-x-2">
<div class="w-2 h-2 bg-green-500 rounded-full animate-pulse"></div>
<span class="text-sm text-neutral-600 dark:text-neutral-400">
Connected
</span>
</div>
{chain_id_for_name
.as_ref()
.and_then(|id| {
u64::from_str_radix(id.trim_start_matches("0x"), 16).ok()
})
.map(|chain_id| {
view! {
<div class="mt-1">
<ChainIdToInfo chain_id=chain_id />
</div>
}
})}
</div>
{move || {
let current_chain_id = wallet_state.get().chain_id;
if current_chain_id.as_ref() != Some(&"0x1".to_string()) {
view! {
<DropdownItem on_click=Callback::from(switch_to_mainnet)>
<span class="text-blue-600 dark:text-blue-400">
Switch to Mainnet
</span>
</DropdownItem>
}
.into_any()
} else {
view! { <div></div> }.into_any()
}
}}
<DropdownItem
on_click=Callback::from(disconnect_wallet)
class="block w-full text-left px-4 py-2 text-sm text-red-600 dark:text-red-400 hover:bg-red-50 dark:hover:bg-red-900/20"
.into()
>
"Disconnect Wallet"
</DropdownItem>
</DropdownMenu>
</Dropdown>
}
.into_any()
} else {
if let Some(error) = state.error.clone() {
view! {
<Tooltip
label=format!("{}. Check your wallet.", error)
align=Align::Left
>
<Button
icon=ButtonIcon::Icon(WALLET)
on:click=connect_wallet
disabled=state.loading
color=BtnColor::Error
>
"Error"
</Button>
</Tooltip>
}
.into_any()
} else {
view! {
<Button
icon=ButtonIcon::Icon(WALLET)
on:click=connect_wallet
disabled=state.loading
>
{if state.loading { "Connecting..." } else { "Connect Wallet" }}
</Button>
}
.into_any()
}
}
}}
</div>
}
}