mango-ui-v3/hooks/useWallet.tsx

import { useEffect, useMemo } from 'react'
import Wallet from '@project-serum/sol-wallet-adapter'
import useLocalStorageState from './useLocalStorageState'
import useMangoStore from '../stores/useMangoStore'
import { notify } from '../utils/notifications'
import {
  PhantomWalletAdapter,
  SlopeWalletAdapter,
  SolletExtensionAdapter,
  SolflareExtensionWalletAdapter,
} from '../utils/wallet-adapters'
import { WalletAdapter } from '../@types/types'
import useInterval from './useInterval'
import { useTranslation } from 'next-i18next'

const SECONDS = 1000
const ASSET_URL =
  'https://cdn.jsdelivr.net/gh/solana-labs/oyster@main/assets/wallets'

export const WALLET_PROVIDERS = [
  {
    name: 'Phantom',
    url: 'https://www.phantom.app',
    icon: `https://www.phantom.app/img/logo.png`,
    adapter: PhantomWalletAdapter,
  },
  {
    name: 'Solflare',
    url: 'https://solflare.com',
    icon: `${ASSET_URL}/solflare.svg`,
    adapter: SolflareExtensionWalletAdapter,
  },
  {
    name: 'Sollet.io',
    url: 'https://www.sollet.io',
    icon: `${ASSET_URL}/sollet.svg`,
  },
  {
    name: 'Sollet Extension',
    url: 'https://www.sollet.io/extension',
    icon: `${ASSET_URL}/sollet.svg`,
    adapter: SolletExtensionAdapter as any,
  },
  {
    name: 'Slope',
    url: 'https://www.slope.finance/#/wallet',
    icon: 'data:image/svg+xml;base64,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',
    adapter: SlopeWalletAdapter,
  },
]
export const PROVIDER_LOCAL_STORAGE_KEY = 'walletProvider-0.1'
export const DEFAULT_PROVIDER = WALLET_PROVIDERS[0]

export default function useWallet() {
  const { t } = useTranslation('common')
  const setMangoStore = useMangoStore((state) => state.set)
  const {
    current: wallet,
    connected,
    providerUrl: selectedProviderUrl,
  } = useMangoStore((state) => state.wallet)
  const endpoint = useMangoStore((state) => state.connection.endpoint)
  const mangoAccount = useMangoStore((s) => s.selectedMangoAccount.current)
  const actions = useMangoStore((s) => s.actions)
  const [savedProviderUrl, setSavedProviderUrl] = useLocalStorageState(
    PROVIDER_LOCAL_STORAGE_KEY,
    DEFAULT_PROVIDER.url
  )
  const provider = useMemo(
    () => WALLET_PROVIDERS.find(({ url }) => url === savedProviderUrl),
    [savedProviderUrl]
  )

  useEffect(() => {
    if (selectedProviderUrl) {
      setSavedProviderUrl(selectedProviderUrl)
    }
  }, [selectedProviderUrl])

  useEffect(() => {
    if (provider) {
      const updateWallet = () => {
        // hack to also update wallet synchronously in case it disconnects
        // eslint-disable-next-line react-hooks/exhaustive-deps
        const wallet = new (provider.adapter || Wallet)(
          savedProviderUrl,
          endpoint
        ) as WalletAdapter
        setMangoStore((state) => {
          state.wallet.current = wallet
        })
      }

      if (document.readyState !== 'complete') {
        // wait to ensure that browser extensions are loaded
        const listener = () => {
          updateWallet()
          window.removeEventListener('load', listener)
        }
        window.addEventListener('load', listener)
        return () => window.removeEventListener('load', listener)
      } else {
        updateWallet()
      }
    }
  }, [provider, savedProviderUrl, endpoint])

  useEffect(() => {
    if (!wallet) return
    wallet.on('connect', async () => {
      setMangoStore((state) => {
        state.wallet.connected = true
      })
      // set connected before fetching data
      await actions.fetchAllMangoAccounts()
      actions.reloadOrders()
      actions.fetchTradeHistory()
      actions.fetchWalletTokens()
      notify({
        title: t('wallet-connected'),
        description:
          t('connected-to') +
          wallet.publicKey.toString().substr(0, 5) +
          '...' +
          wallet.publicKey.toString().substr(-5),
      })
    })
    wallet.on('disconnect', () => {
      console.log('disconnecting wallet')
      setMangoStore((state) => {
        state.wallet.connected = false
        state.mangoAccounts = []
        state.selectedMangoAccount.current = null
        state.tradeHistory = []
      })
      notify({
        type: 'info',
        title: t('wallet-disconnected'),
      })
    })
    return () => {
      if (wallet && wallet.connected) {
        console.log('DISCONNECTING')

        wallet.disconnect()
      }
      setMangoStore((state) => {
        state.wallet.connected = false
      })
    }
  }, [wallet, setMangoStore])

  useInterval(() => {
    if (connected && mangoAccount) {
      actions.fetchWalletTokens()
      actions.fetchTradeHistory()
    }
  }, 90 * SECONDS)

  useInterval(() => {
    if (connected && mangoAccount) {
      actions.reloadMangoAccount()
    }
  }, 20 * SECONDS)

  return { connected, wallet }
}