towards new core bank api

2023-09-22 18:34:49 -03:00 · 2023-09-22 18:34:49 -03:00 · 15af6c619d
commit 15af6c619d
parent 5640f0a67d
19 changed files with 3293 additions and 3158 deletions
--- a/packages/demobank-ui/src/components/Routing.tsx
+++ b/packages/demobank-ui/src/components/Routing.tsx
@ -27,6 +27,7 @@ import { Test } from "../pages/Test.js";
 import { useBackendContext } from "../context/backend.js";
 import { LoginForm } from "../pages/LoginForm.js";
 import { AdminHome } from "../pages/admin/Home.js";
+import { bankUiSettings } from "../settings.js";

 export function Routing(): VNode {
  const history = createHashHistory();
@ -45,6 +46,10 @@ export function Routing(): VNode {
            />
          )}
        />
+        <Route
+          path="/public-accounts"
+          component={() => <PublicHistoriesPage />}
+        />
        <Route
          path="/operation/:wopid"
          component={({ wopid }: { wopid: string }) => (
@ -53,22 +58,21 @@ export function Routing(): VNode {
              onContinue={() => {
                route("/account");
              }}
-              // onLoadNotOk={() => {
-              //   route("/account");
-              // }}
-            />
-          )}
-        />
-        <Route
-          path="/register"
-          component={() => (
-            <RegistrationPage
-              onComplete={() => {
-                route("/account");
-              }}
            />
          )}
        />
+        {bankUiSettings.allowRegistrations &&
+          <Route
+            path="/register"
+            component={() => (
+              <RegistrationPage
+                onComplete={() => {
+                  route("/account");
+                }}
+              />
+            )}
+          />
+        }
        <Route default component={Redirect} to="/login" />
      </Router>
    </BankFrame>
@ -93,16 +97,6 @@ export function Routing(): VNode {
          path="/public-accounts"
          component={() => <PublicHistoriesPage />}
        />
-        <Route
-          path="/register"
-          component={() => (
-            <RegistrationPage
-              onComplete={() => {
-                route("/account");
-              }}
-            />
-          )}
-        />
        <Route
          path="/account"
          component={() => {
--- a/packages/demobank-ui/src/declaration.d.ts
+++ b/packages/demobank-ui/src/declaration.d.ts
@ -99,11 +99,6 @@ type Amount = string;
 type UUID = string;
 type Integer = number;

-interface Balance {
-  amount: Amount;
-  credit_debit_indicator: "credit" | "debit";
-}
-
 namespace SandboxBackend {
  export interface Config {
    // Name of this API, always "circuit".
@ -126,7 +121,7 @@ namespace SandboxBackend {
  }

  export interface SandboxError {
-    error: SandboxErrorDetail;
+    error?: SandboxErrorDetail;
  }
  interface SandboxErrorDetail {
    // String enum classifying the error.
@ -152,26 +147,12 @@ namespace SandboxBackend {
    UtilError = "util-error",
  }

-  namespace Access {
-    interface PublicAccountsResponse {
-      publicAccounts: PublicAccount[];
-    }
-    interface PublicAccount {
-      iban: string;
-      balance: string;
-      // The account name _and_ the username of the
-      // Sandbox customer that owns such a bank account.
-      accountLabel: string;
-    }

-    interface BankAccountBalanceResponse {
-      // Available balance on the account.
-      balance: Balance;
-      // payto://-URI of the account. (New)
-      paytoUri: string;
-      // Number indicating the max debit allowed for the requesting user.
-      debitThreshold: Amount;
-    }
+  type EmailAddress = string;
+  type PhoneNumber = string;
+
+  namespace CoreBank {
+
    interface BankAccountCreateWithdrawalRequest {
      // Amount to withdraw.
      amount: Amount;
@ -243,11 +224,144 @@ namespace SandboxBackend {
      amount?: string;
    }

-    interface BankRegistrationRequest {
+    interface RegisterAccountRequest {
+      // Username
      username: string;

+      // Password.
      password: string;
+
+      // Legal name of the account owner
+      name: string;
+
+      // Defaults to false.
+      is_public?: boolean;
+
+      // Is this a taler exchange account?
+      // If true:
+      // - incoming transactions to the account that do not
+      //   have a valid reserve public key are automatically
+      // - the account provides the taler-wire-gateway-api endpoints
+      // Defaults to false.
+      is_taler_exchange?: boolean;
+
+      // Addresses where to send the TAN for transactions.
+      // Currently only used for cashouts.
+      // If missing, cashouts will fail.
+      // In the future, might be used for other transactions
+      // as well.
+      challenge_contact_data?: ChallengeContactData;
+
+      // 'payto' address pointing a bank account
+      // external to the libeufin-bank.
+      // Payments will be sent to this bank account
+      // when the user wants to convert the local currency
+      // back to fiat currency outside libeufin-bank.
+      cashout_payto_uri?: string;
+
+      // Internal payto URI of this bank account.
+      // Used mostly for testing.
+      internal_payto_uri?: string;
    }
+    interface ChallengeContactData {
+
+      // E-Mail address
+      email?: EmailAddress;
+
+      // Phone number.
+      phone?: PhoneNumber;
+    }
+
+    interface AccountReconfiguration {
+
+      // Addresses where to send the TAN for transactions.
+      // Currently only used for cashouts.
+      // If missing, cashouts will fail.
+      // In the future, might be used for other transactions
+      // as well.
+      challenge_contact_data?: ChallengeContactData;
+
+      // 'payto' address pointing a bank account
+      // external to the libeufin-bank.
+      // Payments will be sent to this bank account
+      // when the user wants to convert the local currency
+      // back to fiat currency outside libeufin-bank.
+      cashout_address?: string;
+
+      // Legal name associated with $username.
+      // When missing, the old name is kept.
+      name?: string;
+
+      // If present, change the is_exchange configuration.
+      // See RegisterAccountRequest
+      is_exchange?: boolean;
+    }
+
+
+    interface AccountPasswordChange {
+
+      // New password.
+      new_password: string;
+    }
+    interface PublicAccountsResponse {
+      public_accounts: PublicAccount[];
+    }
+    interface PublicAccount {
+      payto_uri: string;
+
+      balance: Balance;
+
+      // The account name (=username) of the
+      // libeufin-bank account.
+      account_name: string;
+    }
+
+    interface ListBankAccountsResponse {
+      accounts: AccountMinimalData[];
+    }
+    // interface Balance {
+    //   amount: Amount;
+    //   credit_debit_indicator: "credit" | "debit";
+    // }
+    type Balance = Amount
+    interface AccountMinimalData {
+      // Username
+      username: string;
+    
+      // Legal name of the account owner.
+      name: string;
+    
+      // current balance of the account
+      balance: Balance;
+    
+      // Number indicating the max debit allowed for the requesting user.
+      debit_threshold: Amount;
+    }
+    
+    interface AccountData {
+      // Legal name of the account owner.
+      name: string;
+    
+      // Available balance on the account.
+      balance: Balance;
+    
+      // payto://-URI of the account.
+      payto_uri: string;
+    
+      // Number indicating the max debit allowed for the requesting user.
+      debit_threshold: Amount;
+    
+      contact_data?: ChallengeContactData;
+    
+      // 'payto' address pointing the bank account
+      // where to send cashouts.  This field is optional
+      // because not all the accounts are required to participate
+      // in the merchants' circuit.  One example is the exchange:
+      // that never cashouts.  Registering these accounts can
+      // be done via the access API.
+      cashout_payto_uri?: string;
+    }
+    
  }

  namespace Circuit {
--- a/packages/demobank-ui/src/hooks/access.ts
+++ b/packages/demobank-ui/src/hooks/access.ts
@ -44,13 +44,13 @@ export function useAccessAPI(): AccessAPI {
  const account = state.username;

  const createWithdrawal = async (
-    data: SandboxBackend.Access.BankAccountCreateWithdrawalRequest,
+    data: SandboxBackend.CoreBank.BankAccountCreateWithdrawalRequest,
  ): Promise<
-    HttpResponseOk<SandboxBackend.Access.BankAccountCreateWithdrawalResponse>
+    HttpResponseOk<SandboxBackend.CoreBank.BankAccountCreateWithdrawalResponse>
  > => {
    const res =
-      await request<SandboxBackend.Access.BankAccountCreateWithdrawalResponse>(
-        `access-api/accounts/${account}/withdrawals`,
+      await request<SandboxBackend.CoreBank.BankAccountCreateWithdrawalResponse>(
+        `accounts/${account}/withdrawals`,
        {
          method: "POST",
          data,
@ -60,10 +60,10 @@ export function useAccessAPI(): AccessAPI {
    return res;
  };
  const createTransaction = async (
-    data: SandboxBackend.Access.CreateBankAccountTransactionCreate,
+    data: SandboxBackend.CoreBank.CreateBankAccountTransactionCreate,
  ): Promise<HttpResponseOk<void>> => {
    const res = await request<void>(
-      `access-api/accounts/${account}/transactions`,
+      `accounts/${account}/transactions`,
      {
        method: "POST",
        data,
@ -74,7 +74,7 @@ export function useAccessAPI(): AccessAPI {
    return res;
  };
  const deleteAccount = async (): Promise<HttpResponseOk<void>> => {
-    const res = await request<void>(`access-api/accounts/${account}`, {
+    const res = await request<void>(`accounts/${account}`, {
      method: "DELETE",
      contentType: "json",
    });
@ -94,7 +94,7 @@ export function useAccessAnonAPI(): AccessAnonAPI {
  const { request } = useAuthenticatedBackend();

  const abortWithdrawal = async (id: string): Promise<HttpResponseOk<void>> => {
-    const res = await request<void>(`access-api/withdrawals/${id}/abort`, {
+    const res = await request<void>(`accounts/withdrawals/${id}/abort`, {
      method: "POST",
      contentType: "json",
    });
@ -104,7 +104,7 @@ export function useAccessAnonAPI(): AccessAnonAPI {
  const confirmWithdrawal = async (
    id: string,
  ): Promise<HttpResponseOk<void>> => {
-    const res = await request<void>(`access-api/withdrawals/${id}/confirm`, {
+    const res = await request<void>(`withdrawals/${id}/confirm`, {
      method: "POST",
      contentType: "json",
    });
@ -122,10 +122,10 @@ export function useTestingAPI(): TestingAPI {
  const mutateAll = useMatchMutate();
  const { request: noAuthRequest } = usePublicBackend();
  const register = async (
-    data: SandboxBackend.Access.BankRegistrationRequest,
+    data: SandboxBackend.CoreBank.RegisterAccountRequest,
  ): Promise<HttpResponseOk<void>> => {
    // FIXME: This API is deprecated.  The normal account registration API should be used instead.
-    const res = await noAuthRequest<void>(`access-api/testing/register`, {
+    const res = await noAuthRequest<void>(`accounts`, {
      method: "POST",
      data,
      contentType: "json",
@ -139,18 +139,18 @@ export function useTestingAPI(): TestingAPI {

 export interface TestingAPI {
  register: (
-    data: SandboxBackend.Access.BankRegistrationRequest,
+    data: SandboxBackend.CoreBank.RegisterAccountRequest,
  ) => Promise<HttpResponseOk<void>>;
 }

 export interface AccessAPI {
  createWithdrawal: (
-    data: SandboxBackend.Access.BankAccountCreateWithdrawalRequest,
+    data: SandboxBackend.CoreBank.BankAccountCreateWithdrawalRequest,
  ) => Promise<
-    HttpResponseOk<SandboxBackend.Access.BankAccountCreateWithdrawalResponse>
+    HttpResponseOk<SandboxBackend.CoreBank.BankAccountCreateWithdrawalResponse>
  >;
  createTransaction: (
-    data: SandboxBackend.Access.CreateBankAccountTransactionCreate,
+    data: SandboxBackend.CoreBank.CreateBankAccountTransactionCreate,
  ) => Promise<HttpResponseOk<void>>;
  deleteAccount: () => Promise<HttpResponseOk<void>>;
 }
@ -167,15 +167,15 @@ export interface InstanceTemplateFilter {
 export function useAccountDetails(
  account: string,
 ): HttpResponse<
-  SandboxBackend.Access.BankAccountBalanceResponse,
+  SandboxBackend.CoreBank.AccountData,
  SandboxBackend.SandboxError
 > {
  const { fetcher } = useAuthenticatedBackend();

  const { data, error } = useSWR<
-    HttpResponseOk<SandboxBackend.Access.BankAccountBalanceResponse>,
+    HttpResponseOk<SandboxBackend.CoreBank.AccountData>,
    RequestError<SandboxBackend.SandboxError>
-  >([`access-api/accounts/${account}`], fetcher, {
+  >([`accounts/${account}`], fetcher, {
    refreshInterval: 0,
    refreshWhenHidden: false,
    revalidateOnFocus: false,
@ -187,28 +187,8 @@ export function useAccountDetails(
    keepPreviousData: true,
  });

-  //FIXME: remove optional when libeufin sandbox has implemented the feature
-  if (data && typeof data.data.debitThreshold === "undefined") {
-    data.data.debitThreshold = "0";
-  }
-  //FIXME: sandbox server should return amount string
  if (data) {
-    const isAmount = Amounts.parse(data.data.debitThreshold);
-    if (isAmount) {
-      //server response with correct format
-      return data;
-    }
-    const { currency } = Amounts.parseOrThrow(data.data.balance.amount);
-    const clone = structuredClone(data);
-
-    const theNumber = Number.parseInt(data.data.debitThreshold, 10);
-    const value = Number.isNaN(theNumber) ? 0 : theNumber;
-    clone.data.debitThreshold = Amounts.stringify({
-      currency,
-      value: value,
-      fraction: 0,
-    });
-    return clone;
+    return data;
  }
  if (error) return error.cause;
  return { loading: true };
@ -218,15 +198,15 @@ export function useAccountDetails(
 export function useWithdrawalDetails(
  wid: string,
 ): HttpResponse<
-  SandboxBackend.Access.BankAccountGetWithdrawalResponse,
+  SandboxBackend.CoreBank.BankAccountGetWithdrawalResponse,
  SandboxBackend.SandboxError
 > {
  const { fetcher } = useAuthenticatedBackend();

  const { data, error } = useSWR<
-    HttpResponseOk<SandboxBackend.Access.BankAccountGetWithdrawalResponse>,
+    HttpResponseOk<SandboxBackend.CoreBank.BankAccountGetWithdrawalResponse>,
    RequestError<SandboxBackend.SandboxError>
-  >([`access-api/withdrawals/${wid}`], fetcher, {
+  >([`withdrawals/${wid}`], fetcher, {
    refreshInterval: 1000,
    refreshWhenHidden: false,
    revalidateOnFocus: false,
@ -248,15 +228,15 @@ export function useTransactionDetails(
  account: string,
  tid: string,
 ): HttpResponse<
-  SandboxBackend.Access.BankAccountTransactionInfo,
+  SandboxBackend.CoreBank.BankAccountTransactionInfo,
  SandboxBackend.SandboxError
 > {
-  const { fetcher } = useAuthenticatedBackend();
+  const { paginatedFetcher } = useAuthenticatedBackend();

  const { data, error } = useSWR<
-    HttpResponseOk<SandboxBackend.Access.BankAccountTransactionInfo>,
+    HttpResponseOk<SandboxBackend.CoreBank.BankAccountTransactionInfo>,
    RequestError<SandboxBackend.SandboxError>
-  >([`access-api/accounts/${account}/transactions/${tid}`], fetcher, {
+  >([`accounts/${account}/transactions/${tid}`], paginatedFetcher, {
    refreshInterval: 0,
    refreshWhenHidden: false,
    revalidateOnFocus: false,
@ -281,7 +261,7 @@ interface PaginationFilter {
 export function usePublicAccounts(
  args?: PaginationFilter,
 ): HttpResponsePaginated<
-  SandboxBackend.Access.PublicAccountsResponse,
+  SandboxBackend.CoreBank.PublicAccountsResponse,
  SandboxBackend.SandboxError
 > {
  const { paginatedFetcher } = usePublicBackend();
@ -293,13 +273,13 @@ export function usePublicAccounts(
    error: afterError,
    isValidating: loadingAfter,
  } = useSWR<
-    HttpResponseOk<SandboxBackend.Access.PublicAccountsResponse>,
+    HttpResponseOk<SandboxBackend.CoreBank.PublicAccountsResponse>,
    RequestError<SandboxBackend.SandboxError>
-  >([`access-api/public-accounts`, args?.page, PAGE_SIZE], paginatedFetcher);
+  >([`public-accounts`, args?.page, PAGE_SIZE], paginatedFetcher);

  const [lastAfter, setLastAfter] = useState<
    HttpResponse<
-      SandboxBackend.Access.PublicAccountsResponse,
+      SandboxBackend.CoreBank.PublicAccountsResponse,
      SandboxBackend.SandboxError
    >
  >({ loading: true });
@ -312,7 +292,7 @@ export function usePublicAccounts(

  // if the query returns less that we ask, then we have reach the end or beginning
  const isReachingEnd =
-    afterData && afterData.data.publicAccounts.length < PAGE_SIZE;
+    afterData && afterData.data.public_accounts.length < PAGE_SIZE;
  const isReachingStart = false;

  const pagination = {
@ -320,7 +300,7 @@ export function usePublicAccounts(
    isReachingStart,
    loadMore: () => {
      if (!afterData || isReachingEnd) return;
-      if (afterData.data.publicAccounts.length < MAX_RESULT_SIZE) {
+      if (afterData.data.public_accounts.length < MAX_RESULT_SIZE) {
        setPage(page + 1);
      }
    },
@ -329,12 +309,12 @@ export function usePublicAccounts(
    },
  };

-  const publicAccounts = !afterData
+  const public_accounts = !afterData
    ? []
-    : (afterData || lastAfter).data.publicAccounts;
-  if (loadingAfter) return { loading: true, data: { publicAccounts } };
+    : (afterData || lastAfter).data.public_accounts;
+  if (loadingAfter) return { loading: true, data: { public_accounts } };
  if (afterData) {
-    return { ok: true, data: { publicAccounts }, ...pagination };
+    return { ok: true, data: { public_accounts }, ...pagination };
  }
  return { loading: true };
 }
@ -349,7 +329,7 @@ export function useTransactions(
  account: string,
  args?: PaginationFilter,
 ): HttpResponsePaginated<
-  SandboxBackend.Access.BankAccountTransactionsResponse,
+  SandboxBackend.CoreBank.BankAccountTransactionsResponse,
  SandboxBackend.SandboxError
 > {
  const { paginatedFetcher } = useAuthenticatedBackend();
@ -361,10 +341,10 @@ export function useTransactions(
    error: afterError,
    isValidating: loadingAfter,
  } = useSWR<
-    HttpResponseOk<SandboxBackend.Access.BankAccountTransactionsResponse>,
+    HttpResponseOk<SandboxBackend.CoreBank.BankAccountTransactionsResponse>,
    RequestError<SandboxBackend.SandboxError>
  >(
-    [`access-api/accounts/${account}/transactions`, args?.page, PAGE_SIZE],
+    [`accounts/${account}/transactions`, args?.page, PAGE_SIZE],
    paginatedFetcher, {
    refreshInterval: 0,
    refreshWhenHidden: false,
@ -378,7 +358,7 @@ export function useTransactions(

  const [lastAfter, setLastAfter] = useState<
    HttpResponse<
-      SandboxBackend.Access.BankAccountTransactionsResponse,
+      SandboxBackend.CoreBank.BankAccountTransactionsResponse,
      SandboxBackend.SandboxError
    >
  >({ loading: true });
--- a/packages/demobank-ui/src/hooks/backend.ts
+++ b/packages/demobank-ui/src/hooks/backend.ts
@ -310,7 +310,7 @@ export function useAuthenticatedBackend(): useBackendType {
    ]): Promise<HttpResponseOk<T>> {
      return requestHandler<T>(baseUrl, endpoint, {
        basicAuth: creds,
-        params: { page, size },
+        params: { delta: size, start: size * page },
      });
    },
    [baseUrl, creds],
--- a/packages/demobank-ui/src/hooks/useCredentialsChecker.ts
+++ b/packages/demobank-ui/src/hooks/useCredentialsChecker.ts
@ -9,20 +9,25 @@ export function useCredentialsChecker() {
  //while merchant backend doesn't have a login endpoint
  async function requestNewLoginToken(
    username: string,
-    password: AccessToken,
+    password: string,
  ): Promise<LoginResult> {
    const data: LoginTokenRequest = {
-      scope: "write",
+      scope: "readwrite" as "write", //FIX: different than merchant
      duration: {
-        d_us: "forever"
+        // d_us: "forever" //FIX: should return shortest
+        d_us: 1000 * 60 * 60 * 23
      },
      refreshable: true,
    }
    try {
      const response = await request<LoginTokenSuccessResponse>(baseUrl, `accounts/${username}/token`, {
        method: "POST",
-        token: password,
-        data
+        basicAuth: {
+          username: username,
+          password,
+        },
+        data,
+        contentType: "json"
      });
      return { valid: true, token: response.data.token, expiration: response.data.expiration };
    } catch (error) {
--- a/packages/demobank-ui/src/pages/AccountPage/index.ts
+++ b/packages/demobank-ui/src/pages/AccountPage/index.ts
@ -60,7 +60,7 @@ export namespace State {

  export interface InvalidIban {
    status: "invalid-iban",
-    error: HttpResponseOk<SandboxBackend.Access.BankAccountBalanceResponse>;
+    error: HttpResponseOk<SandboxBackend.CoreBank.AccountData>;
  }

  export interface UserNotFound {
--- a/packages/demobank-ui/src/pages/AccountPage/state.ts
+++ b/packages/demobank-ui/src/pages/AccountPage/state.ts
@ -40,7 +40,7 @@ export function useComponentState({ account, goToBusinessAccount, goToConfirmOpe
      };
    }
    //logout if there is any error, not if loading
-    backend.logOut();
+    // backend.logOut();
    if (result.status === HttpStatusCode.NotFound) {
      notifyError(i18n.str`Username or account label "${account}" not found`, undefined);
      return {
@ -55,9 +55,13 @@ export function useComponentState({ account, goToBusinessAccount, goToConfirmOpe
  }

  const { data } = result;
-  const balance = Amounts.parseOrThrow(data.balance.amount);
-  const debitThreshold = Amounts.parseOrThrow(data.debitThreshold);
-  const payto = parsePaytoUri(data.paytoUri);
+
+  // FIXME: balance
+  // const balance = Amounts.parseOrThrow(data.balance.amount);
+  const balance = Amounts.parseOrThrow(data.balance);
+
+  const debitThreshold = Amounts.parseOrThrow(data.debit_threshold);
+  const payto = parsePaytoUri(data.payto_uri);

  if (!payto || !payto.isKnown || (payto.targetType !== "iban" && payto.targetType !== "x-taler-bank")) {
    return {
@ -66,7 +70,9 @@ export function useComponentState({ account, goToBusinessAccount, goToConfirmOpe
    };
  }

-  const balanceIsDebit = data.balance.credit_debit_indicator == "debit";
+  // FIXME: balance
+  const balanceIsDebit = true;
+  // data.balance.credit_debit_indicator == "debit";
  const limit = balanceIsDebit
    ? Amounts.sub(debitThreshold, balance).amount
    : Amounts.add(balance, debitThreshold).amount;
--- a/packages/demobank-ui/src/pages/AccountPage/views.tsx
+++ b/packages/demobank-ui/src/pages/AccountPage/views.tsx
@ -27,7 +27,7 @@ import { useSettings } from "../../hooks/settings.js";

 export function InvalidIbanView({ error }: State.InvalidIban) {
  return (
-    <div>Payto from server is not valid &quot;{error.data.paytoUri}&quot;</div>
+    <div>Payto from server is not valid &quot;{error.data.payto_uri}&quot;</div>
  );
 }

--- a/packages/demobank-ui/src/pages/BankFrame.tsx
+++ b/packages/demobank-ui/src/pages/BankFrame.tsx
@ -458,15 +458,14 @@ function WelcomeAccount({ account }: { account: string }): VNode {
  const result = useAccountDetails(account);
  if (!result.ok) return <div />

-  // const account = "Sebastian"
-  const payto = parsePaytoUri(result.data.paytoUri)
+  const payto = parsePaytoUri(result.data.payto_uri)
  if (!payto) return <div />

  const accountNumber = !payto.isKnown ? undefined : payto.targetType === "iban" ? payto.iban : payto.targetType === "x-taler-bank" ? payto.account : undefined;
  return <i18n.Translate>
    Welcome,  {account} {accountNumber !== undefined ?
      <span>
-        (<a href={result.data.paytoUri}>{accountNumber}</a> <CopyButton getContent={() => result.data.paytoUri} />)
+        (<a href={result.data.payto_uri}>{accountNumber}</a> <CopyButton getContent={() => result.data.payto_uri} />)
      </span>
      : <Fragment />}!
  </i18n.Translate>
@ -477,9 +476,12 @@ function AccountBalance({ account }: { account: string }): VNode {
  const result = useAccountDetails(account);
  if (!result.ok) return <div />

+  // FIXME: balance
  return <div>
-    {Amounts.currencyOf(result.data.balance.amount)}
+    {Amounts.currencyOf(result.data.balance)}
+    {Amounts.stringifyValue(result.data.balance)}
+    {/* {Amounts.currencyOf(result.data.balance.amount)}
    &nbsp;{result.data.balance.credit_debit_indicator === "debit" ? "-" : ""}
-    {Amounts.stringifyValue(result.data.balance.amount)}
+    {Amounts.stringifyValue(result.data.balance.amount)} */}
  </div>
 }
--- a/packages/demobank-ui/src/pages/HomePage.tsx
+++ b/packages/demobank-ui/src/pages/HomePage.tsx
@ -120,8 +120,8 @@ export function handleNotOkResult(
 ) => VNode {
  return function handleNotOkResult2<T>(
    result:
-      | HttpResponsePaginated<T, SandboxBackend.SandboxError>
-      | HttpResponse<T, SandboxBackend.SandboxError>,
+      | HttpResponsePaginated<T, SandboxBackend.SandboxError | undefined>
+      | HttpResponse<T, SandboxBackend.SandboxError| undefined>,
  ): VNode {
    if (result.loading) return <Loading />;
    if (!result.ok) {
@ -139,7 +139,7 @@ export function handleNotOkResult(
          notify({
            type: "error",
            title: i18n.str`Could not load due to a client error`,
-            description: errorData.error.description as TranslatedString,
+            description: errorData?.error?.description as TranslatedString,
            debug: JSON.stringify(result),
          });
          break;
@ -148,7 +148,7 @@ export function handleNotOkResult(
          notify({
            type: "error",
            title: i18n.str`Server returned with error`,
-            description: result.payload.error.description as TranslatedString,
+            description: result.payload?.error?.description as TranslatedString,
            debug: JSON.stringify(result.payload),
          });
          break;
--- a/packages/demobank-ui/src/pages/LoginForm.tsx
+++ b/packages/demobank-ui/src/pages/LoginForm.tsx
@ -31,12 +31,13 @@ import { useCredentialsCheckerOld } from "../hooks/backend.js";
 */
 export function LoginForm({ onRegister }: { onRegister?: () => void }): VNode {
  const backend = useBackendContext();
-  const [username, setUsername] = useState<string | undefined>();
+  const currentUser = backend.state.status === "loggedIn" ? backend.state.username : undefined
+  const [username, setUsername] = useState<string | undefined>(currentUser);
  const [password, setPassword] = useState<string | undefined>();
  const { i18n } = useTranslationContext();
-  // const { requestNewLoginToken, refreshLoginToken } = useCredentialsChecker();
+  const { requestNewLoginToken, refreshLoginToken } = useCredentialsChecker();

-  const testLogin = useCredentialsCheckerOld();
+  // const testLogin = useCredentialsCheckerOld();
  const ref = useRef<HTMLInputElement>(null);
  useEffect(function focusInput() {
    ref.current?.focus();
@ -46,8 +47,8 @@ export function LoginForm({ onRegister }: { onRegister?: () => void }): VNode {
  const errors = undefinedIfEmpty({
    username: !username
      ? i18n.str`Missing username`
-      : !USERNAME_REGEX.test(username)
-        ? i18n.str`Use letters and numbers only, and start with a lowercase letter`
+      // : !USERNAME_REGEX.test(username)
+      //   ? i18n.str`Use letters and numbers only, and start with a lowercase letter`
        : undefined,
    password: !password ? i18n.str`Missing password` : undefined,
  }) ?? busy;
@ -59,19 +60,18 @@ export function LoginForm({ onRegister }: { onRegister?: () => void }): VNode {
  async function doLogin() {
    if (!username || !password) return;
    setBusy({})
-    const testResult = await testLogin(username, password);
-    if (testResult.valid) {
+    const result = await requestNewLoginToken(username, password);
+    if (result.valid) {
      backend.logIn({ username, password });
    } else {
-      if (testResult.requestError) {
-        const { cause } = testResult;
-        switch (cause.type) {
-          case ErrorType.CLIENT: {
-            if (cause.status === HttpStatusCode.Unauthorized) {
-              saveError({
-                title: i18n.str`Wrong credentials for "${username}"`,
-              });
-            } else
+      const { cause } = result;
+      switch (cause.type) {
+        case ErrorType.CLIENT: {
+          if (cause.status === HttpStatusCode.Unauthorized) {
+            saveError({
+              title: i18n.str`Wrong credentials for "${username}"`,
+            });
+          } else
            if (cause.status === HttpStatusCode.NotFound) {
              saveError({
                title: i18n.str`Account not found`,
@ -79,50 +79,44 @@ export function LoginForm({ onRegister }: { onRegister?: () => void }): VNode {
            } else {
              saveError({
                title: i18n.str`Could not load due to a client error`,
-                description: cause.payload.error.description,
+                // description: cause.payload.error.description,
                debug: JSON.stringify(cause.payload),
              });
            }
-            break;
-          }
-          case ErrorType.SERVER: {
-            saveError({
-              title: i18n.str`Server had a problem, try again later or report.`,
-              description: cause.payload.error.description,
-              debug: JSON.stringify(cause.payload),
-            });
-            break;
-          }
-          case ErrorType.TIMEOUT: {
-            saveError({
-              title: i18n.str`Request timeout, try again later.`,
-            });
-            break;
-          }
-          case ErrorType.UNREADABLE: {
-            saveError({
-              title: i18n.str`Unexpected error.`,
-              description: `Response from ${cause.info?.url} is unreadable, http status: ${cause.status}` as TranslatedString,
-              debug: JSON.stringify(cause),
-            });
-            break;
-          }
-          default: {
-            saveError({
-              title: i18n.str`Unexpected error, please report.`,
-              description: `Diagnostic from ${cause.info?.url} is "${cause.message}"` as TranslatedString,
-              debug: JSON.stringify(cause),
-            });
-            break;
-          }
+          break;
+        }
+        case ErrorType.SERVER: {
+          saveError({
+            title: i18n.str`Server had a problem, try again later or report.`,
+            // description: cause.payload.error.description,
+            debug: JSON.stringify(cause.payload),
+          });
+          break;
+        }
+        case ErrorType.TIMEOUT: {
+          saveError({
+            title: i18n.str`Request timeout, try again later.`,
+          });
+          break;
+        }
+        case ErrorType.UNREADABLE: {
+          saveError({
+            title: i18n.str`Unexpected error.`,
+            description: `Response from ${cause.info?.url} is unreadable, http status: ${cause.status}` as TranslatedString,
+            debug: JSON.stringify(cause),
+          });
+          break;
+        }
+        default: {
+          saveError({
+            title: i18n.str`Unexpected error, please report.`,
+            description: `Diagnostic from ${cause.info?.url} is "${cause.message}"` as TranslatedString,
+            debug: JSON.stringify(cause),
+          });
+          break;
        }
-      } else {
-        saveError({
-          title: i18n.str`Unexpected error, please report.`,
-          debug: JSON.stringify(testResult.error),
-        });
      }
-      backend.logOut();
+      // backend.logOut();
    }
    setPassword(undefined);
    setBusy(undefined)
--- a/packages/demobank-ui/src/pages/PublicHistoriesPage.tsx
+++ b/packages/demobank-ui/src/pages/PublicHistoriesPage.tsx
@ -36,8 +36,8 @@ export function PublicHistoriesPage({}: Props): VNode {
  const result = usePublicAccounts();

  const [showAccount, setShowAccount] = useState(
-    result.ok && result.data.publicAccounts.length > 0
-      ? result.data.publicAccounts[0].accountLabel
+    result.ok && result.data.public_accounts.length > 0
+      ? result.data.public_accounts[0].account_name
      : undefined,
  );

@ -51,9 +51,9 @@ export function PublicHistoriesPage({}: Props): VNode {
  const accountsBar = [];

  // Ask story of all the public accounts.
-  for (const account of data.publicAccounts) {
-    logger.trace("Asking transactions for", account.accountLabel);
-    const isSelected = account.accountLabel == showAccount;
+  for (const account of data.public_accounts) {
+    logger.trace("Asking transactions for", account.account_name);
+    const isSelected = account.account_name == showAccount;
    accountsBar.push(
      <li
        class={
@ -65,13 +65,13 @@ export function PublicHistoriesPage({}: Props): VNode {
        <a
          href="#"
          class="pure-menu-link"
-          onClick={() => setShowAccount(account.accountLabel)}
+          onClick={() => setShowAccount(account.account_name)}
        >
-          {account.accountLabel}
+          {account.account_name}
        </a>
      </li>,
    );
-    txs[account.accountLabel] = <Transactions account={account.accountLabel} />;
+    txs[account.account_name] = <Transactions account={account.account_name} />;
  }

  return (
--- a/packages/demobank-ui/src/pages/RegistrationPage.tsx
+++ b/packages/demobank-ui/src/pages/RegistrationPage.tsx
@ -53,6 +53,7 @@ export const USERNAME_REGEX = /^[a-z][a-zA-Z0-9-]*$/;
 function RegistrationForm({ onComplete }: { onComplete: () => void }): VNode {
  const backend = useBackendContext();
  const [username, setUsername] = useState<string | undefined>();
+  const [name, setName] = useState<string | undefined>();
  const [password, setPassword] = useState<string | undefined>();
  const [repeatPassword, setRepeatPassword] = useState<string | undefined>();

@ -60,6 +61,9 @@ function RegistrationForm({ onComplete }: { onComplete: () => void }): VNode {
  const { i18n } = useTranslationContext();

  const errors = undefinedIfEmpty({
+    name: !name
+      ? i18n.str`Missing name`
+      : undefined,
    username: !username
      ? i18n.str`Missing username`
      : !USERNAME_REGEX.test(username)
@ -74,9 +78,9 @@ function RegistrationForm({ onComplete }: { onComplete: () => void }): VNode {
  });

  async function doRegistrationStep() {
-    if (!username || !password) return;
+    if (!username || !password || !name) return;
    try {
-      await register({ username, password });
+      await register({ name, username, password });
      setUsername(undefined);
      backend.logIn({ username, password });
      onComplete();
@ -97,13 +101,13 @@ function RegistrationForm({ onComplete }: { onComplete: () => void }): VNode {
            ? error.message
            : JSON.stringify(error)) as TranslatedString
        )
-}
+      }
    }
    setPassword(undefined);
    setRepeatPassword(undefined);
-}
+  }

-  async function delay(ms: number):Promise<void> {
+  async function delay(ms: number): Promise<void> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve(undefined);
@ -117,14 +121,15 @@ function RegistrationForm({ onComplete }: { onComplete: () => void }): VNode {
      setUsername(undefined);
      setPassword(undefined);
      setRepeatPassword(undefined);
-      await register({ username: user, password: pass });
-      backend.logIn({ username: user, password: pass });
+      const username = `_${user.first}-${user.second}_`
+      await register({ username, name: `${user.first} ${user.second}`, password: pass });
+      backend.logIn({ username, password: pass });
      onComplete();
    } catch (error) {
      if (error instanceof RequestError) {
        if (tries > 0) {
          await delay(200)
-          await doRandomRegistration(tries-1)
+          await doRandomRegistration(tries - 1)
        } else {
          notify(
            buildRequestErrorMessage(i18n, error.cause, {
@ -142,7 +147,7 @@ function RegistrationForm({ onComplete }: { onComplete: () => void }): VNode {
            ? error.message
            : JSON.stringify(error)) as TranslatedString
        )
-}
+      }
    }
  }

@ -257,17 +262,19 @@ function RegistrationForm({ onComplete }: { onComplete: () => void }): VNode {

          </form>

-          <p class="mt-10 text-center text-sm text-gray-500 border-t">
-            <button type="submit"
-              class="flex mt-4 w-full justify-center rounded-md bg-green-600 px-3 py-1.5 text-sm font-semibold leading-6 text-white shadow-sm hover:bg-green-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-green-600"
-              onClick={(e) => {
-                e.preventDefault()
-                doRandomRegistration()
-              }}
-            >
-              <i18n.Translate>Create a random user</i18n.Translate>
-            </button>
-          </p>
+          {bankUiSettings.allowRandomAccountCreation &&
+            <p class="mt-10 text-center text-sm text-gray-500 border-t">
+              <button type="submit"
+                class="flex mt-4 w-full justify-center rounded-md bg-green-600 px-3 py-1.5 text-sm font-semibold leading-6 text-white shadow-sm hover:bg-green-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-green-600"
+                onClick={(e) => {
+                  e.preventDefault()
+                  doRandomRegistration()
+                }}
+              >
+                <i18n.Translate>Create a random user</i18n.Translate>
+              </button>
+            </p>
+          }
        </div>
      </div>

--- a/packages/demobank-ui/src/pages/WalletWithdrawForm.tsx
+++ b/packages/demobank-ui/src/pages/WalletWithdrawForm.tsx
@ -59,27 +59,41 @@ function OldWithdrawalForm({ goToConfirmOperation, limit, onCancel, focus }: {
  }, [focus]);

  if (!!settings.currentWithdrawalOperationId) {
-    return <div class="rounded-md bg-yellow-50 ring-yellow-2 p-4">
-      <div class="flex">
-        <div class="flex-shrink-0">
-          <svg class="h-5 w-5 text-yellow-300" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
-            <path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a.75.75 0 000 1.5h.253a.25.25 0 01.244.304l-.459 2.066A1.75 1.75 0 0010.747 15H11a.75.75 0 000-1.5h-.253a.25.25 0 01-.244-.304l.459-2.066A1.75 1.75 0 009.253 9H9z" clip-rule="evenodd" />
-          </svg>
-        </div>
-        <div class="ml-3">
-          <h3 class="text-sm font-bold text-yellow-800">
-            <i18n.Translate>There is an operation already</i18n.Translate>
-          </h3>
-          <div class="mt-2 text-sm text-yellow-700">
-            <p>
-              <i18n.Translate>
-                To complete or cancel the operation click <a class="font-semibold text-yellow-700 hover:text-yellow-600" href={`#/operation/${settings.currentWithdrawalOperationId}`}>here</a>
-              </i18n.Translate>
-            </p>
+    return <div>
+
+      <div class="rounded-md bg-yellow-50 ring-yellow-2 p-4">
+        <div class="flex">
+          <div class="flex-shrink-0">
+            <svg class="h-5 w-5 text-yellow-300" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+              <path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a.75.75 0 000 1.5h.253a.25.25 0 01.244.304l-.459 2.066A1.75 1.75 0 0010.747 15H11a.75.75 0 000-1.5h-.253a.25.25 0 01-.244-.304l.459-2.066A1.75 1.75 0 009.253 9H9z" clip-rule="evenodd" />
+            </svg>
+          </div>
+          <div class="ml-3">
+            <h3 class="text-sm font-bold text-yellow-800">
+              <i18n.Translate>There is an operation already</i18n.Translate>
+            </h3>
+            <div class="mt-2 text-sm text-yellow-700">
+              <p>
+                <i18n.Translate>
+                  To complete or cancel the operation click <a class="font-semibold text-yellow-700 hover:text-yellow-600" href={`#/operation/${settings.currentWithdrawalOperationId}`}>here</a>
+                </i18n.Translate>
+              </p>
+            </div>
+
+          </div>
        </div>
+      </div >
+      <div class="flex justify-end gap-x-6 border-t border-gray-900/10 px-4 py-4 sm:px-8 " >
+        <button type="button" class="text-sm font-semibold leading-6 text-gray-900 bg-white p-2 rounded-sm"
+          onClick={() => {
+            updateSettings("currentWithdrawalOperationId", undefined)
+            onCancel()
+          }}
+        >
+          <i18n.Translate>Cancel</i18n.Translate>
+        </button>
      </div>
    </div>
-  </div >
  }

  const trimmedAmountStr = amountStr?.trim();
--- a/packages/demobank-ui/src/pages/admin/Account.tsx
+++ b/packages/demobank-ui/src/pages/admin/Account.tsx
@ -16,9 +16,14 @@ export function AdminAccount({ onRegister }: { onRegister: () => void }): VNode
    return handleNotOkResult(i18n, onRegister)(result);
  }
  const { data } = result;
-  const balance = Amounts.parseOrThrow(data.balance.amount);
-  const debitThreshold = Amounts.parseOrThrow(result.data.debitThreshold);
-  const balanceIsDebit = result.data.balance.credit_debit_indicator == "debit";
+
+  //FIXME: libeufin does not follow the spec
+  const balance = Amounts.parseOrThrow(data.balance);
+  const balanceIsDebit = true;
+  // const balance = Amounts.parseOrThrow(data.balance.amount);
+  // const balanceIsDebit = result.data.balance.credit_debit_indicator == "debit";
+  
+  const debitThreshold = Amounts.parseOrThrow(result.data.debit_threshold);
  const limit = balanceIsDebit
    ? Amounts.sub(debitThreshold, balance).amount
    : Amounts.add(balance, debitThreshold).amount;
--- a/packages/demobank-ui/src/pages/admin/RemoveAccount.tsx
+++ b/packages/demobank-ui/src/pages/admin/RemoveAccount.tsx
@ -41,7 +41,9 @@ export function RemoveAccount({
    if (focus) ref.current?.focus();
  }, [focus]);

-  const balance = Amounts.parse(result.data.balance.amount);
+  //FIXME: libeufin does not follow the spec
+  const balance = Amounts.parse(result.data.balance);
+  // const balance = Amounts.parse(result.data.balance.amount);
  if (!balance) {
    return <div>there was an error reading the balance</div>;
  }
--- a/packages/demobank-ui/src/pages/business/Home.tsx
+++ b/packages/demobank-ui/src/pages/business/Home.tsx
@ -201,13 +201,13 @@ function useRatiosAndFeeConfigWithChangeDetection(): HttpResponse<
    (result.data.name !== oldResult.name ||
      result.data.version !== oldResult.version ||
      result.data.ratios_and_fees.buy_at_ratio !==
-        oldResult.ratios_and_fees.buy_at_ratio ||
+      oldResult.ratios_and_fees.buy_at_ratio ||
      result.data.ratios_and_fees.buy_in_fee !==
-        oldResult.ratios_and_fees.buy_in_fee ||
+      oldResult.ratios_and_fees.buy_in_fee ||
      result.data.ratios_and_fees.sell_at_ratio !==
-        oldResult.ratios_and_fees.sell_at_ratio ||
+      oldResult.ratios_and_fees.sell_at_ratio ||
      result.data.ratios_and_fees.sell_out_fee !==
-        oldResult.ratios_and_fees.sell_out_fee ||
+      oldResult.ratios_and_fees.sell_out_fee ||
      result.data.fiat_currency !== oldResult.fiat_currency);

  return {
@ -236,10 +236,14 @@ function CreateCashout({
  if (!ratiosResult.ok) return onLoadNotOk(ratiosResult);
  const config = ratiosResult.data;

-  const balance = Amounts.parseOrThrow(result.data.balance.amount);
-  const debitThreshold = Amounts.parseOrThrow(result.data.debitThreshold);
+  //FIXME: libeufin does not follow the spec
+  const balance = Amounts.parseOrThrow(result.data.balance);
+  const balanceIsDebit = true;
+  // const balance = Amounts.parseOrThrow(result.data.balance.amount);
+  // const balanceIsDebit = result.data.balance.credit_debit_indicator == "debit";
+
+  const debitThreshold = Amounts.parseOrThrow(result.data.debit_threshold);
  const zero = Amounts.zeroOfCurrency(balance.currency);
-  const balanceIsDebit = result.data.balance.credit_debit_indicator == "debit";
  const limit = balanceIsDebit
    ? Amounts.sub(debitThreshold, balance).amount
    : Amounts.add(balance, debitThreshold).amount;
@ -250,15 +254,14 @@ function CreateCashout({
  const sellFee = !config.ratios_and_fees.sell_out_fee
    ? zero
    : Amounts.parseOrThrow(
-        `${balance.currency}:${config.ratios_and_fees.sell_out_fee}`,
-      );
+      `${balance.currency}:${config.ratios_and_fees.sell_out_fee}`,
+    );
  const fiatCurrency = config.fiat_currency;

  if (!sellRate || sellRate < 0) return <div>error rate</div>;

  const amount = Amounts.parseOrThrow(
-    `${!form.isDebit ? fiatCurrency : balance.currency}:${
-      !form.amount ? "0" : form.amount
+    `${!form.isDebit ? fiatCurrency : balance.currency}:${!form.amount ? "0" : form.amount
    }`,
  );

@ -273,10 +276,10 @@ function CreateCashout({
            error instanceof RequestError
              ? buildRequestErrorMessage(i18n, error.cause)
              : {
-                  type: "error",
-                  title: i18n.str`Could not estimate the cashout`,
-                  description: error.message as TranslatedString
-                },
+                type: "error",
+                title: i18n.str`Could not estimate the cashout`,
+                description: error.message as TranslatedString
+              },
          );
        });
    } else {
@ -289,10 +292,10 @@ function CreateCashout({
            error instanceof RequestError
              ? buildRequestErrorMessage(i18n, error.cause)
              : {
-                  type: "error",
-                  title: i18n.str`Could not estimate the cashout`,
-                  description: error.message,
-                },
+                type: "error",
+                title: i18n.str`Could not estimate the cashout`,
+                description: error.message,
+              },
          );
        });
    }
@ -307,14 +310,14 @@ function CreateCashout({
    amount: !form.amount
      ? i18n.str`required`
      : !amount
-      ? i18n.str`could not be parsed`
-      : Amounts.cmp(limit, calc.debit) === -1
-      ? i18n.str`balance is not enough`
-      : Amounts.cmp(calc.beforeFee, sellFee) === -1
-      ? i18n.str`the total amount to transfer does not cover the fees`
-      : Amounts.isZero(calc.credit)
-      ? i18n.str`the total transfer at destination will be zero`
-      : undefined,
+        ? i18n.str`could not be parsed`
+        : Amounts.cmp(limit, calc.debit) === -1
+          ? i18n.str`balance is not enough`
+          : Amounts.cmp(calc.beforeFee, sellFee) === -1
+            ? i18n.str`the total amount to transfer does not cover the fees`
+            : Amounts.isZero(calc.credit)
+              ? i18n.str`the total transfer at destination will be zero`
+              : undefined,
    channel: !form.channel ? i18n.str`required` : undefined,
  });

@ -341,7 +344,7 @@ function CreateCashout({
            {form.isDebit
              ? i18n.str`Amount to send`
              : i18n.str`Amount to receive`}
-            
+
          </label>
          <div style={{ display: "flex" }}>
            <Amount
@ -520,12 +523,12 @@ function CreateCashout({
                        status === HttpStatusCode.BadRequest
                          ? i18n.str`The exchange rate was incorrectly applied`
                          : status === HttpStatusCode.Forbidden
-                          ? i18n.str`A institutional user tried the operation`
-                          : status === HttpStatusCode.Conflict
-                          ? i18n.str`Need a contact data where to send the TAN`
-                          : status === HttpStatusCode.PreconditionFailed
-                          ? i18n.str`The account does not have sufficient funds`
-                          : undefined,
+                            ? i18n.str`A institutional user tried the operation`
+                            : status === HttpStatusCode.Conflict
+                              ? i18n.str`Need a contact data where to send the TAN`
+                              : status === HttpStatusCode.PreconditionFailed
+                                ? i18n.str`The account does not have sufficient funds`
+                                : undefined,
                      onServerError: (status) =>
                        status === HttpStatusCode.ServiceUnavailable
                          ? i18n.str`The bank does not support the TAN channel for this operation`
@ -539,7 +542,7 @@ function CreateCashout({
                      ? error.message
                      : JSON.stringify(error)) as TranslatedString
                  )
-            }
+                }
              }
            }}
          >
@ -665,8 +668,8 @@ export function ShowCashoutDetails({
                          status === HttpStatusCode.NotFound
                            ? i18n.str`Cashout not found. It may be also mean that it was already aborted.`
                            : status === HttpStatusCode.PreconditionFailed
-                            ? i18n.str`Cashout was already confimed`
-                            : undefined,
+                              ? i18n.str`Cashout was already confimed`
+                              : undefined,
                      }),
                    );
                  } else {
@ -676,7 +679,7 @@ export function ShowCashoutDetails({
                        ? error.message
                        : JSON.stringify(error)) as TranslatedString
                    )
-                }
+                  }
                }
              }}
            >
@ -702,12 +705,12 @@ export function ShowCashoutDetails({
                          status === HttpStatusCode.NotFound
                            ? i18n.str`Cashout not found. It may be also mean that it was already aborted.`
                            : status === HttpStatusCode.PreconditionFailed
-                            ? i18n.str`Cashout was already confimed`
-                            : status === HttpStatusCode.Conflict
-                            ? i18n.str`Confirmation failed. Maybe the user changed their cash-out address between the creation and the confirmation`
-                            : status === HttpStatusCode.Forbidden
-                            ? i18n.str`Invalid code`
-                            : undefined,
+                              ? i18n.str`Cashout was already confimed`
+                              : status === HttpStatusCode.Conflict
+                                ? i18n.str`Confirmation failed. Maybe the user changed their cash-out address between the creation and the confirmation`
+                                : status === HttpStatusCode.Forbidden
+                                  ? i18n.str`Invalid code`
+                                  : undefined,
                      }),
                    );
                  } else {
@ -717,7 +720,7 @@ export function ShowCashoutDetails({
                        ? error.message
                        : JSON.stringify(error)) as TranslatedString
                    )
-                }
+                  }
                }
              }}
            >
--- a/packages/demobank-ui/src/pages/rnd.ts
+++ b/packages/demobank-ui/src/pages/rnd.ts
--- a/packages/demobank-ui/src/settings.ts
+++ b/packages/demobank-ui/src/settings.ts
@ -18,6 +18,8 @@ export interface BankUiSettings {
  backendBaseURL: string;
  allowRegistrations: boolean;
  showDemoNav: boolean;
+  simplePasswordForRandomAccounts: boolean;
+  allowRandomAccountCreation: boolean;
  bankName: string;
  demoSites: [string, string][];
 }
@ -30,6 +32,8 @@ const defaultSettings: BankUiSettings = {
  allowRegistrations: true,
  bankName: "Taler Bank",
  showDemoNav: true,
+  simplePasswordForRandomAccounts: true,
+  allowRandomAccountCreation: true,
  demoSites: [
    ["Landing", "https://demo.taler.net/"],
    ["Bank", "https://bank.demo.taler.net/"],