feat: add max & min balance w/ timestamps to account meta, along with…

… last timestamps for change and send blocks

src/core/accounts/account.js

@@ -15,6 +15,7 @@ export const Account = new Record({
   representative: false,
   last_seen: null,
   account_meta: new Map(),
+  stats: new Map(),
   representative_meta: new Map(),
   telemetry_history: new List(),
   uptime: new List(),

src/core/accounts/actions.js

@@ -13,6 +13,11 @@ export const accountsActions = {
   GET_ACCOUNT_PENDING: 'GET_ACCOUNT_PENDING',
   GET_ACCOUNT_FULFILLED: 'GET_ACCOUNT_FULFILLED',
 
+  GET_ACCOUNT_STATS: 'GET_ACCOUNT_STATS',
+  GET_ACCOUNT_STATS_FAILED: 'GET_ACCOUNT_STATS_FAILED',
+  GET_ACCOUNT_STATS_PENDING: 'GET_ACCOUNT_STATS_PENDING',
+  GET_ACCOUNT_STATS_FULFILLED: 'GET_ACCOUNT_STATS_FULFILLED',
+
   GET_ACCOUNT_OPEN_FAILED: 'GET_ACCOUNT_OPEN_FAILED',
   GET_ACCOUNT_OPEN_PENDING: 'GET_ACCOUNT_OPEN_PENDING',
   GET_ACCOUNT_OPEN_FULFILLED: 'GET_ACCOUNT_OPEN_FULFILLED',
@@ -174,6 +179,36 @@ export const accountsActions = {
       params,
       data
     }
+  }),
+
+  getAccountStats: (account) => ({
+    type: accountsActions.GET_ACCOUNT_STATS,
+    payload: {
+      account
+    }
+  }),
+
+  getAccountStatsFailed: (params, error) => ({
+    type: accountsActions.GET_ACCOUNT_STATS_FAILED,
+    payload: {
+      params,
+      error
+    }
+  }),
+
+  getAccountStatsPending: (params) => ({
+    type: accountsActions.GET_ACCOUNT_STATS_PENDING,
+    payload: {
+      params
+    }
+  }),
+
+  getAccountStatsFulfilled: (params, data) => ({
+    type: accountsActions.GET_ACCOUNT_STATS_FULFILLED,
+    payload: {
+      params,
+      data
+    }
   })
 }
 
@@ -206,3 +241,9 @@ export const accountBalanceHistoryRequestActions = {
   pending: accountsActions.getAccountBalanceHistoryPending,
   fulfilled: accountsActions.getAccountBalanceHistoryFulfilled
 }
+
+export const accountStatsRequestActions = {
+  failed: accountsActions.getAccountStatsFailed,
+  pending: accountsActions.getAccountStatsPending,
+  fulfilled: accountsActions.getAccountStatsFulfilled
+}

src/core/accounts/index.js

@@ -4,7 +4,8 @@ export {
   accountRequestActions,
   accountOpenRequestActions,
   accountBlocksSummaryRequestActions,
-  accountBalanceHistoryRequestActions
+  accountBalanceHistoryRequestActions,
+  accountStatsRequestActions
 } from './actions'
 export { accountsReducer } from './reducer'
 export { accountSagas } from './sagas'

src/core/accounts/reducer.js

@@ -1,7 +1,7 @@
 import { Map, List } from 'immutable'
 
 import { accountsActions } from './actions'
-import { createAccount } from './account'
+import { createAccount, Account } from './account'
 
 const initialState = new Map({
   isLoading: false,
@@ -50,10 +50,17 @@ export function accountsReducer(state = initialState, { payload, type }) {
       })
 
     case accountsActions.GET_ACCOUNT_FULFILLED:
-      return state.setIn(
-        ['items', payload.params],
-        createAccount({ ...payload.data, account_is_loading: false })
-      )
+      return state.withMutations((state) => {
+        const existing_account = state
+          .getIn(['items', payload.params], new Account())
+          .toJS()
+        const updated_account = createAccount({
+          ...existing_account,
+          ...payload.data,
+          account_is_loading: false
+        })
+        state.setIn(['items', payload.params], updated_account)
+      })
 
     case accountsActions.GET_ACCOUNT_OPEN_PENDING:
       return state.setIn(
@@ -126,6 +133,12 @@ export function accountsReducer(state = initialState, { payload, type }) {
         )
       })
 
+    case accountsActions.GET_ACCOUNT_STATS_FULFILLED:
+      return state.setIn(
+        ['items', payload.params.account, 'stats'],
+        new Map(payload.data)
+      )
+
     default:
       return state
   }

src/core/accounts/sagas.js

@@ -6,7 +6,8 @@ import {
   getAccountOpen,
   getAccountBlocksSummary,
   get_account_balance_history,
-  get_request_history
+  get_request_history,
+  get_account_stats
 } from '@core/api'
 import { accountsActions } from './actions'
 
@@ -32,6 +33,15 @@ export function* loadAccountBalanceHistory({ payload }) {
   yield call(get_account_balance_history, { account })
 }
 
+export function* loadAccountStats({ payload }) {
+  const { account } = payload
+  const request_history = yield select(get_request_history)
+  if (request_history.has(`GET_ACCOUNT_STATS_${account}`)) {
+    return
+  }
+  yield call(get_account_stats, { account })
+}
+
 //= ====================================
 //  WATCHERS
 // -------------------------------------
@@ -51,12 +61,17 @@ export function* watchGetAccountBalanceHistory() {
   )
 }
 
+export function* watchGetAccountStats() {
+  yield takeLatest(accountsActions.GET_ACCOUNT_STATS, loadAccountStats)
+}
+
 //= ====================================
 //  ROOT
 // -------------------------------------
 
 export const accountSagas = [
   fork(watchGetRepresentatives),
   fork(watchGetAccount),
-  fork(watchGetAccountBalanceHistory)
+  fork(watchGetAccountBalanceHistory),
+  fork(watchGetAccountStats)
 ]

src/core/api/index.js

@@ -20,7 +20,8 @@ export {
   get_accounts_unconfirmed_summary,
   get_blocks_unconfirmed_summary,
   get_account_balance_history,
-  get_price_history
+  get_price_history,
+  get_account_stats
 } from './sagas'
 
 export { api_reducer } from './reducer'

src/core/api/reducer.js

@@ -57,6 +57,18 @@ export function api_reducer(state = initialState, { payload, type }) {
     case nanodb_actions.GET_PRICE_HISTORY_FAILED:
       return state.deleteIn(['request_history', 'GET_PRICE_HISTORY'])
 
+    case accountsActions.GET_ACCOUNT_STATS_PENDING:
+      return state.setIn(
+        ['request_history', `GET_ACCOUNT_STATS_${payload.params.account}`],
+        true
+      )
+
+    case accountsActions.GET_ACCOUNT_STATS_FAILED:
+      return state.deleteIn([
+        'request_history',
+        `GET_ACCOUNT_STATS_${payload.params.account}`
+      ])
+
     default:
       return state
   }

src/core/api/sagas.js

@@ -23,7 +23,8 @@ import {
   accountRequestActions,
   accountOpenRequestActions,
   accountBlocksSummaryRequestActions,
-  accountBalanceHistoryRequestActions
+  accountBalanceHistoryRequestActions,
+  accountStatsRequestActions
 } from '@core/accounts/actions'
 import { blockRequestActions } from '@core/blocks/actions'
 import { dailyRequestActions } from '@core/ledger/actions'
@@ -157,3 +158,9 @@ export const get_price_history = fetch.bind(
   api.get_price_history,
   price_history_request_actions
 )
+
+export const get_account_stats = fetch.bind(
+  null,
+  api.get_account_stats,
+  accountStatsRequestActions
+)

src/core/api/service.js

@@ -103,6 +103,10 @@ export const api = {
   get_price_history() {
     const url = `${API_URL}/nanodb/price_history`
     return { url }
+  },
+  get_account_stats({ account }) {
+    const url = `${API_URL}/nanodb/accounts/${account}/stats`
+    return { url }
   }
 }
 

src/views/components/account-meta/account-meta.js

@@ -20,6 +20,31 @@ export default class AccountMeta extends React.Component {
       'account_meta',
       'modified_timestamp'
     ])
+    const last_send_timestamp = account.getIn([
+      'stats',
+      'last_send_block_timestamp'
+    ])
+    const last_change_timestamp = account.getIn([
+      'stats',
+      'last_change_block_timestamp'
+    ])
+    const last_modified_non_epoch = account.getIn([
+      'stats',
+      'last_non_epoch_block_timestamp'
+    ])
+
+    const max_balance = account.getIn(['stats', 'max_balance'])
+    const max_balance_timestamp = account.getIn([
+      'stats',
+      'max_balance_timestamp'
+    ])
+
+    const min_balance = account.getIn(['stats', 'min_balance'])
+    const min_balance_timestamp = account.getIn([
+      'stats',
+      'min_balance_timestamp'
+    ])
+
     const items = [
       {
         label: 'Funding Account',
@@ -54,6 +79,22 @@ export default class AccountMeta extends React.Component {
           ? BigNumber(openBalance).shiftedBy(-30).toFormat()
           : '-'
       },
+      {
+        label: 'Maximum Balance',
+        value: max_balance
+          ? `${BigNumber(max_balance).shiftedBy(-30).toFormat()} (${dayjs(
+              max_balance_timestamp * 1000
+            ).format('MMM D, YY h:mm a')})`
+          : '-'
+      },
+      {
+        label: 'Minimum Balance',
+        value: min_balance
+          ? `${BigNumber(min_balance).shiftedBy(-30).toFormat()} (${dayjs(
+              min_balance_timestamp * 1000
+            ).format('MMM D, YY h:mm a')})`
+          : '-'
+      },
       {
         label: 'Receivable Balance',
         value: pendingBalance
@@ -75,6 +116,39 @@ export default class AccountMeta extends React.Component {
               'MMM D, YYYY h:mm a'
             )} (${timeago.format(modifiedTimestamp * 1000, 'nano_short')} ago)`
           : '-'
+      },
+      {
+        label: 'Last Modified (non-epoch)',
+        value: last_modified_non_epoch
+          ? `${dayjs(last_modified_non_epoch * 1000).format(
+              'MMM D, YYYY h:mm a'
+            )} (${timeago.format(
+              last_modified_non_epoch * 1000,
+              'nano_short'
+            )} ago)`
+          : '-'
+      },
+      {
+        label: 'Last Send',
+        value: last_send_timestamp
+          ? `${dayjs(last_send_timestamp * 1000).format(
+              'MMM D, YYYY h:mm a'
+            )} (${timeago.format(
+              last_send_timestamp * 1000,
+              'nano_short'
+            )} ago)`
+          : '-'
+      },
+      {
+        label: 'Last Representative Change',
+        value: last_change_timestamp
+          ? `${dayjs(last_change_timestamp * 1000).format(
+              'MMM D, YYYY h:mm a'
+            )} (${timeago.format(
+              last_change_timestamp * 1000,
+              'nano_short'
+            )} ago)`
+          : '-'
       }
     ]
 

src/views/pages/account/account.js

@@ -48,6 +48,7 @@ export default function AccountPage({
   match,
   showNotification,
   getAccount,
+  get_account_stats,
   account
 }) {
   const [value, setValue] = useState(0)
@@ -68,6 +69,7 @@ export default function AccountPage({
   useEffect(() => {
     const { address } = match.params
     getAccount(`nano_${address}`)
+    get_account_stats(`nano_${address}`)
   }, [match.params.address])
 
   const is_loaded = account.get('account_is_loaded')
@@ -266,6 +268,7 @@ export default function AccountPage({
 AccountPage.propTypes = {
   match: PropTypes.object,
   getAccount: PropTypes.func,
+  get_account_stats: PropTypes.func,
   account: ImmutablePropTypes.record,
   showNotification: PropTypes.func
 }

src/views/pages/account/index.js

@@ -12,6 +12,7 @@ const mapStateToProps = createSelector(getAccountById, (account) => ({
 
 const mapDispatchToProps = {
   getAccount: accountsActions.getAccount,
+  get_account_stats: accountsActions.getAccountStats,
   showNotification: notificationActions.show
 }