mint->exchange

content_scripts/notify.js

@@ -45,7 +45,6 @@ var TalerNotify;
             amount: JSON.stringify(e.detail.amount),
             callback_url: URI(e.detail.callback_url).absoluteTo(document.location.href),
             bank_url: document.location.href,
-            suggested_mint: e.detail.suggested_mint,
         };
         var uri = URI(chrome.extension.getURL("pages/confirm-create-reserve.html"));
         document.location.href = uri.query(params).href();

lib/emscripten/libwrapper.js

@@ -8472,7 +8472,7 @@ function _TALER_WRALL_sign_deposit_permission($h_contract,$h_wire,$timestamp,$re
  }
  return (0)|0;
 }
-function _TALER_WR_verify_confirmation($h_contract,$h_wire,$timestamp,$refund,$0,$1,$amount_minus_fee,$coin_pub,$merchant_pub,$sig,$mint_pub) {
+function _TALER_WR_verify_confirmation($h_contract,$h_wire,$timestamp,$refund,$0,$1,$amount_minus_fee,$coin_pub,$merchant_pub,$sig,$exchange_pub) {
  $h_contract = $h_contract|0;
  $h_wire = $h_wire|0;
  $timestamp = $timestamp|0;
@@ -8483,7 +8483,7 @@ function _TALER_WR_verify_confirmation($h_contract,$h_wire,$timestamp,$refund,$0
  $coin_pub = $coin_pub|0;
  $merchant_pub = $merchant_pub|0;
  $sig = $sig|0;
- $mint_pub = $mint_pub|0;
+ $exchange_pub = $exchange_pub|0;
  var $10 = 0, $11 = 0, $12 = 0, $13 = 0, $14 = 0, $15 = 0, $16 = 0, $17 = 0, $18 = 0, $19 = 0, $2 = 0, $20 = 0, $21 = 0, $22 = 0, $23 = 0, $24 = 0, $25 = 0, $26 = 0, $27 = 0, $28 = 0;
  var $29 = 0, $3 = 0, $30 = 0, $31 = 0, $32 = 0, $33 = 0, $34 = 0, $35 = 0, $36 = 0, $37 = 0, $38 = 0, $39 = 0, $4 = 0, $40 = 0, $41 = 0, $42 = 0, $43 = 0, $44 = 0, $45 = 0, $46 = 0;
  var $47 = 0, $48 = 0, $49 = 0, $5 = 0, $50 = 0, $51 = 0, $52 = 0, $53 = 0, $54 = 0, $55 = 0, $56 = 0, $57 = 0, $58 = 0, $59 = 0, $6 = 0, $60 = 0, $61 = 0, $62 = 0, $63 = 0, $64 = 0;
@@ -8514,7 +8514,7 @@ function _TALER_WR_verify_confirmation($h_contract,$h_wire,$timestamp,$refund,$0
  $9 = $coin_pub;
  $10 = $merchant_pub;
  $11 = $sig;
- $12 = $mint_pub;
+ $12 = $exchange_pub;
  $19 = ((($dc)) + 8|0);
  $20 = $3;
  dest=$19; src=$20; stop=dest+64|0; do { HEAP8[dest>>0]=HEAP8[src>>0]|0; dest=dest+1|0; src=src+1|0; } while ((dest|0) < (stop|0));

lib/wallet/cryptoLib.ts

@@ -101,7 +101,7 @@ namespace RpcFunctions {
       coinPub: coinPub.toCrock(),
       coinPriv: coinPriv.toCrock(),
       denomPub: denomPub.encode().toCrock(),
-      mintBaseUrl: reserve.mint_base_url,
+      exchangeBaseUrl: reserve.exchange_base_url,
       withdrawSig: sig.toCrock(),
       coinEv: ev.toCrock(),
       coinValue: denom.value

lib/wallet/db.ts

@@ -45,12 +45,12 @@ export function openTalerDb(): Promise<IDBDatabase> {
       console.log("DB: upgrade needed: oldVersion = " + e.oldVersion);
       switch (e.oldVersion) {
         case 0: // DB does not exist yet
-          const mints = db.createObjectStore("mints", {keyPath: "baseUrl"});
+          const exchanges = db.createObjectStore("exchanges", {keyPath: "baseUrl"});
-          mints.createIndex("pubKey", "masterPublicKey");
+          exchanges.createIndex("pubKey", "masterPublicKey");
           db.createObjectStore("reserves", {keyPath: "reserve_pub"});
           db.createObjectStore("denoms", {keyPath: "denomPub"});
           const coins = db.createObjectStore("coins", {keyPath: "coinPub"});
-          coins.createIndex("mintBaseUrl", "mintBaseUrl");
+          coins.createIndex("exchangeBaseUrl", "exchangeBaseUrl");
           const transactions = db.createObjectStore("transactions",
                                                     {keyPath: "contractHash"});
           transactions.createIndex("repurchase",

lib/wallet/helpers.ts

@@ -36,7 +36,7 @@ export function amountToPretty(amount: AmountJson): string {
 
 
 /**
- * Canonicalize a base url, typically for the mint.
+ * Canonicalize a base url, typically for the exchange.
  *
  * See http://api.taler.net/wallet.html#general
  */
@@ -62,4 +62,4 @@ export function parsePrettyAmount(pretty: string): AmountJson {
     fraction: res[2] ? (parseFloat(`0.${res[2]}`) * 1e-6) : 0,
     currency: res[3]
   }
-}
+}

lib/wallet/types.ts

@@ -43,11 +43,11 @@ export class AmountJson {
 @Checkable.Class
 export class CreateReserveResponse {
   /**
-   * Mint URL where the bank should create the reserve.
+   * Exchange URL where the bank should create the reserve.
    * The URL is canonicalized in the response.
    */
   @Checkable.String
-  mint: string;
+  exchange: string;
 
   @Checkable.String
   reservePub: string;
@@ -95,14 +95,14 @@ export class Denomination {
 }
 
 
-export interface IMintInfo {
+export interface IExchangeInfo {
   baseUrl: string;
   masterPublicKey: string;
   denoms: Denomination[];
 }
 
 export interface ReserveCreationInfo {
-  mintInfo: IMintInfo;
+  exchangeInfo: IExchangeInfo;
   selectedDenoms: Denomination[];
   withdrawFee: AmountJson;
   overhead: AmountJson;
@@ -117,13 +117,13 @@ export interface PreCoin {
   blindingKey: string;
   withdrawSig: string;
   coinEv: string;
-  mintBaseUrl: string;
+  exchangeBaseUrl: string;
   coinValue: AmountJson;
 }
 
 
 export interface Reserve {
-  mint_base_url: string
+  exchange_base_url: string
   reserve_priv: string;
   reserve_pub: string;
 }
@@ -144,7 +144,7 @@ export interface Coin {
   denomPub: string;
   denomSig: string;
   currentAmount: AmountJson;
-  mintBaseUrl: string;
+  exchangeBaseUrl: string;
 }
 
 
@@ -266,4 +266,4 @@ export interface CheckRepurchaseResult {
 
 export interface Notifier {
   notify();
-}
+}

lib/wallet/wallet.ts

@@ -21,7 +21,7 @@
  * @author Florian Dold
  */
 
-import {AmountJson, CreateReserveResponse, IMintInfo, Denomination, Notifier} from "./types";
+import {AmountJson, CreateReserveResponse, IExchangeInfo, Denomination, Notifier} from "./types";
 import {HttpResponse, RequestException} from "./http";
 import {Query} from "./query";
 import {Checkable} from "./checkable";
@@ -70,7 +70,7 @@ export class KeysJson {
 }
 
 
-class MintInfo implements IMintInfo {
+class ExchangeInfo implements IExchangeInfo {
   baseUrl: string;
   masterPublicKey: string;
   denoms: Denomination[];
@@ -89,15 +89,15 @@ class MintInfo implements IMintInfo {
     }
   }
 
-  static fresh(baseUrl: string): MintInfo {
+  static fresh(baseUrl: string): ExchangeInfo {
-    return new MintInfo({baseUrl});
+    return new ExchangeInfo({baseUrl});
   }
 
   /**
-   * Merge new key information into the mint info.
+   * Merge new key information into the exchange info.
    * If the new key information is invalid (missing fields,
    * invalid signatures), an exception is thrown, but the
-   * mint info is updated with the new information up until
+   * exchange info is updated with the new information up until
    * the first error.
    */
   mergeKeys(newKeys: KeysJson, cryptoApi: CryptoApi): Promise<void> {
@@ -160,10 +160,10 @@ export class CreateReserveRequest {
   amount: AmountJson;
 
   /**
-   * Mint URL where the bank should create the reserve.
+   * Exchange URL where the bank should create the reserve.
    */
   @Checkable.String
-  mint: string;
+  exchange: string;
 
   static checked: (obj: any) => CreateReserveRequest;
 }
@@ -183,14 +183,14 @@ export class ConfirmReserveRequest {
 
 
 @Checkable.Class
-export class MintHandle {
+export class ExchangeHandle {
   @Checkable.String
   master_pub: string;
 
   @Checkable.String
   url: string;
 
-  static checked: (obj: any) => MintHandle;
+  static checked: (obj: any) => ExchangeHandle;
 }
 
 
@@ -220,8 +220,8 @@ export class Contract {
   @Checkable.String
   merchant_pub: string;
 
-  @Checkable.List(Checkable.Value(MintHandle))
+  @Checkable.List(Checkable.Value(ExchangeHandle))
-  mints: MintHandle[];
+  exchanges: ExchangeHandle[];
 
   @Checkable.List(Checkable.AnyObject)
   products: any[];
@@ -264,8 +264,8 @@ interface ConfirmPayRequest {
   offer: Offer;
 }
 
-interface MintCoins {
+interface ExchangeCoins {
-  [mintUrl: string]: CoinWithDenom[];
+  [exchangeUrl: string]: CoinWithDenom[];
 }
 
 
@@ -402,22 +402,22 @@ export class Wallet {
 
 
   /**
-   * Get mints and associated coins that are still spendable,
+   * Get exchanges and associated coins that are still spendable,
    * but only if the sum the coins' remaining value exceeds the payment amount.
    */
-  private getPossibleMintCoins(paymentAmount: AmountJson,
+  private getPossibleExchangeCoins(paymentAmount: AmountJson,
                                depositFeeLimit: AmountJson,
-                               allowedMints: MintHandle[]): Promise<MintCoins> {
+                               allowedExchanges: ExchangeHandle[]): Promise<ExchangeCoins> {
-    // Mapping from mint base URL to list of coins together with their
+    // Mapping from exchange base URL to list of coins together with their
     // denomination
-    let m: MintCoins = {};
+    let m: ExchangeCoins = {};
 
-    function storeMintCoin(mc) {
+    function storeExchangeCoin(mc) {
-      let mint: IMintInfo = mc[0];
+      let exchange: IExchangeInfo = mc[0];
       let coin: Coin = mc[1];
       let cd = {
         coin: coin,
-        denom: mint.denoms.find((e) => e.denom_pub === coin.denomPub)
+        denom: exchange.denoms.find((e) => e.denom_pub === coin.denomPub)
       };
       if (!cd.denom) {
         throw Error("denom not found (database inconsistent)");
@@ -426,36 +426,36 @@ export class Wallet {
         console.warn("same pubkey for different currencies");
         return;
       }
-      let x = m[mint.baseUrl];
+      let x = m[exchange.baseUrl];
       if (!x) {
-        m[mint.baseUrl] = [cd];
+        m[exchange.baseUrl] = [cd];
       } else {
         x.push(cd);
       }
     }
 
-    let ps = allowedMints.map((info) => {
+    let ps = allowedExchanges.map((info) => {
-      console.log("Checking for merchant's mint", JSON.stringify(info));
+      console.log("Checking for merchant's exchange", JSON.stringify(info));
       return Query(this.db)
-        .iter("mints", {indexName: "pubKey", only: info.master_pub})
+        .iter("exchanges", {indexName: "pubKey", only: info.master_pub})
-        .indexJoin("coins", "mintBaseUrl", (mint) => mint.baseUrl)
+        .indexJoin("coins", "exchangeBaseUrl", (exchange) => exchange.baseUrl)
-        .reduce(storeMintCoin);
+        .reduce(storeExchangeCoin);
     });
 
     return Promise.all(ps).then(() => {
-      let ret: MintCoins = {};
+      let ret: ExchangeCoins = {};
 
       if (Object.keys(m).length == 0) {
-        console.log("not suitable mints found");
+        console.log("not suitable exchanges found");
       }
 
       console.dir(m);
 
-      // We try to find the first mint where we have
+      // We try to find the first exchange where we have
       // enough coins to cover the paymentAmount with fees
       // under depositFeeLimit
 
-      nextMint:
+      nextExchange:
         for (let key in m) {
           let coins = m[key];
           // Sort by ascending deposit fee
@@ -479,12 +479,12 @@ export class Wallet {
                 // FIXME: if the fees are too high, we have
                 // to cover them ourselves ....
                 console.log("too much fees");
-                continue nextMint;
+                continue nextExchange;
               }
               usableCoins.push(coins[i]);
               if (Amounts.cmp(accAmount, minAmount) >= 0) {
                 ret[key] = usableCoins;
-                continue nextMint;
+                continue nextExchange;
               }
             }
         }
@@ -499,14 +499,14 @@ export class Wallet {
    */
   private recordConfirmPay(offer: Offer,
                            payCoinInfo: PayCoinInfo,
-                           chosenMint: string): Promise<void> {
+                           chosenExchange: string): Promise<void> {
     let payReq = {};
     payReq["amount"] = offer.contract.amount;
     payReq["coins"] = payCoinInfo.map((x) => x.sig);
     payReq["H_contract"] = offer.H_contract;
     payReq["max_fee"] = offer.contract.max_fee;
     payReq["merchant_sig"] = offer.merchant_sig;
-    payReq["mint"] = URI(chosenMint).href();
+    payReq["exchange"] = URI(chosenExchange).href();
     payReq["refund_deadline"] = offer.contract.refund_deadline;
     payReq["timestamp"] = offer.contract.timestamp;
     payReq["transaction_id"] = offer.contract.transaction_id;
@@ -549,9 +549,9 @@ export class Wallet {
   confirmPay(offer: Offer): Promise<any> {
     console.log("executing confirmPay");
     return Promise.resolve().then(() => {
-      return this.getPossibleMintCoins(offer.contract.amount,
+      return this.getPossibleExchangeCoins(offer.contract.amount,
                                        offer.contract.max_fee,
-                                       offer.contract.mints)
+                                       offer.contract.exchanges)
     }).then((mcs) => {
       if (Object.keys(mcs).length == 0) {
         console.log("not confirming payment, insufficient coins");
@@ -559,10 +559,10 @@ export class Wallet {
           error: "coins-insufficient",
         };
       }
-      let mintUrl = Object.keys(mcs)[0];
+      let exchangeUrl = Object.keys(mcs)[0];
 
-      return this.cryptoApi.signDeposit(offer, mcs[mintUrl])
+      return this.cryptoApi.signDeposit(offer, mcs[exchangeUrl])
-                 .then((ds) => this.recordConfirmPay(offer, ds, mintUrl))
+                 .then((ds) => this.recordConfirmPay(offer, ds, exchangeUrl))
                  .then(() => ({}));
     });
   }
@@ -599,11 +599,11 @@ export class Wallet {
    * then deplete the reserve, withdrawing coins until it is empty.
    */
   private initReserve(reserveRecord) {
-    this.updateMintFromUrl(reserveRecord.mint_base_url)
+    this.updateExchangeFromUrl(reserveRecord.exchange_base_url)
-        .then((mint) =>
+        .then((exchange) =>
-                this.updateReserve(reserveRecord.reserve_pub, mint)
+                this.updateReserve(reserveRecord.reserve_pub, exchange)
                     .then((reserve) => this.depleteReserve(reserve,
-                                                           mint)))
+                                                           exchange)))
         .then(() => {
           let depleted = {
             type: "depleted-reserve",
@@ -627,12 +627,12 @@ export class Wallet {
   createReserve(req: CreateReserveRequest): Promise<CreateReserveResponse> {
     return this.cryptoApi.createEddsaKeypair().then((keypair) => {
       const now = (new Date).getTime();
-      const canonMint = canonicalizeBaseUrl(req.mint);
+      const canonExchange = canonicalizeBaseUrl(req.exchange);
 
       const reserveRecord = {
         reserve_pub: keypair.pub,
         reserve_priv: keypair.priv,
-        mint_base_url: canonMint,
+        exchange_base_url: canonExchange,
         created: now,
         last_query: null,
         current_amount: null,
@@ -656,7 +656,7 @@ export class Wallet {
         .finish()
         .then(() => {
           let r: CreateReserveResponse = {
-            mint: canonMint,
+            exchange: canonExchange,
             reservePub: keypair.pub,
           };
           return r;
@@ -668,7 +668,7 @@ export class Wallet {
   /**
    * Mark an existing reserve as confirmed.  The wallet will start trying
    * to withdraw from that reserve.  This may not immediately succeed,
-   * since the mint might not know about the reserve yet, even though the
+   * since the exchange might not know about the reserve yet, even though the
    * bank confirmed its creation.
    *
    * A confirmed reserve should be shown to the user in the UI, while
@@ -708,7 +708,7 @@ export class Wallet {
         wd.reserve_pub = pc.reservePub;
         wd.reserve_sig = pc.withdrawSig;
         wd.coin_ev = pc.coinEv;
-        let reqUrl = URI("reserve/withdraw").absoluteTo(r.mint_base_url);
+        let reqUrl = URI("reserve/withdraw").absoluteTo(r.exchange_base_url);
         return this.http.postJson(reqUrl, wd);
       })
       .then(resp => {
@@ -727,7 +727,7 @@ export class Wallet {
                        denomPub: pc.denomPub,
                        denomSig: denomSig,
                        currentAmount: pc.coinValue,
-                       mintBaseUrl: pc.mintBaseUrl,
+                       exchangeBaseUrl: pc.exchangeBaseUrl,
                      };
                      return coin;
 
@@ -775,8 +775,8 @@ export class Wallet {
   /**
    * Withdraw coins from a reserve until it is empty.
    */
-  private depleteReserve(reserve, mint: MintInfo): Promise<void> {
+  private depleteReserve(reserve, exchange: ExchangeInfo): Promise<void> {
-    let denomsAvailable: Denomination[] = copy(mint.denoms);
+    let denomsAvailable: Denomination[] = copy(exchange.denoms);
     let denomsForWithdraw = getWithdrawDenomList(reserve.current_amount,
                                                  denomsAvailable);
 
@@ -793,13 +793,13 @@ export class Wallet {
 
   /**
    * Update the information about a reserve that is stored in the wallet
-   * by quering the reserve's mint.
+   * by quering the reserve's exchange.
    */
-  private updateReserve(reservePub: string, mint: MintInfo): Promise<Reserve> {
+  private updateReserve(reservePub: string, exchange: ExchangeInfo): Promise<Reserve> {
     return Query(this.db)
       .get("reserves", reservePub)
       .then((reserve) => {
-        let reqUrl = URI("reserve/status").absoluteTo(mint.baseUrl);
+        let reqUrl = URI("reserve/status").absoluteTo(exchange.baseUrl);
         reqUrl.query({'reserve_pub': reservePub});
         return this.http.get(reqUrl).then(resp => {
           if (resp.status != 200) {
@@ -832,10 +832,10 @@ export class Wallet {
 
   getReserveCreationInfo(baseUrl: string,
                          amount: AmountJson): Promise<ReserveCreationInfo> {
-    return this.updateMintFromUrl(baseUrl)
+    return this.updateExchangeFromUrl(baseUrl)
-               .then((mintInfo: IMintInfo) => {
+               .then((exchangeInfo: IExchangeInfo) => {
                  let selectedDenoms = getWithdrawDenomList(amount,
-                                                           mintInfo.denoms);
+                                                           exchangeInfo.denoms);
 
                  let acc = Amounts.getZero(amount.currency);
                  for (let d of selectedDenoms) {
@@ -846,7 +846,7 @@ export class Wallet {
                                                          d.fee_withdraw).amount)
                    .reduce((a, b) => Amounts.add(a, b).amount);
                  let ret: ReserveCreationInfo = {
-                   mintInfo,
+                   exchangeInfo,
                    selectedDenoms,
                    withdrawFee: acc,
                    overhead: Amounts.sub(amount, actualCoinCost).amount,
@@ -857,37 +857,37 @@ export class Wallet {
 
 
   /**
-   * Update or add mint DB entry by fetching the /keys information.
+   * Update or add exchange DB entry by fetching the /keys information.
    * Optionally link the reserve entry to the new or existing
-   * mint entry in then DB.
+   * exchange entry in then DB.
    */
-  updateMintFromUrl(baseUrl): Promise<MintInfo> {
+  updateExchangeFromUrl(baseUrl): Promise<ExchangeInfo> {
     baseUrl = canonicalizeBaseUrl(baseUrl);
     let reqUrl = URI("keys").absoluteTo(baseUrl);
     return this.http.get(reqUrl).then((resp) => {
       if (resp.status != 200) {
         throw Error("/keys request failed");
       }
-      let mintKeysJson = KeysJson.checked(JSON.parse(resp.responseText));
+      let exchangeKeysJson = KeysJson.checked(JSON.parse(resp.responseText));
 
-      return Query(this.db).get("mints", baseUrl).then((r) => {
+      return Query(this.db).get("exchanges", baseUrl).then((r) => {
-        let mintInfo;
+        let exchangeInfo;
         console.dir(r);
 
         if (!r) {
-          mintInfo = MintInfo.fresh(baseUrl);
+          exchangeInfo = ExchangeInfo.fresh(baseUrl);
-          console.log("making fresh mint");
+          console.log("making fresh exchange");
         } else {
-          mintInfo = new MintInfo(r);
+          exchangeInfo = new ExchangeInfo(r);
-          console.log("using old mint");
+          console.log("using old exchange");
         }
 
-        return mintInfo.mergeKeys(mintKeysJson, this.cryptoApi)
+        return exchangeInfo.mergeKeys(exchangeKeysJson, this.cryptoApi)
                        .then(() => {
                          return Query(this.db)
-                           .put("mints", mintInfo)
+                           .put("exchanges", exchangeInfo)
                            .finish()
-                           .then(() => mintInfo);
+                           .then(() => exchangeInfo);
                        });
 
       });
@@ -954,4 +954,4 @@ export class Wallet {
         }
       });
   }
-}
+}

lib/wallet/wxMessaging.ts

@@ -60,7 +60,7 @@ function makeHandlers(db: IDBDatabase,
     },
     ["create-reserve"]: function(detail) {
       const d = {
-        mint: detail.mint,
+        exchange: detail.exchange,
         amount: detail.amount,
       };
       const req = CreateReserveRequest.checked(d);
@@ -96,11 +96,11 @@ function makeHandlers(db: IDBDatabase,
     ["execute-payment"]: function(detail) {
       return wallet.executePayment(detail.H_contract);
     },
-    ["mint-info"]: function(detail) {
+    ["exchange-info"]: function(detail) {
       if (!detail.baseUrl) {
         return Promise.resolve({error: "bad url"});
       }
-      return wallet.updateMintFromUrl(detail.baseUrl);
+      return wallet.updateExchangeFromUrl(detail.baseUrl);
     },
     ["reserve-creation-info"]: function(detail) {
       if (!detail.baseUrl || typeof detail.baseUrl !== "string") {

pages/confirm-create-reserve.html

@@ -28,7 +28,7 @@
 
   <section id="main">
     <article>
-      <div class="fade" id="mint-selection"></div>
+      <div class="fade" id="exchange-selection"></div>
     </article>
   </section>
 </body>

pages/confirm-create-reserve.tsx

@@ -19,7 +19,7 @@
 import {amountToPretty, canonicalizeBaseUrl} from "../lib/wallet/helpers";
 import {AmountJson, CreateReserveResponse} from "../lib/wallet/types";
 import m from "mithril";
-import {IMintInfo} from "../lib/wallet/types";
+import {IExchangeInfo} from "../lib/wallet/types";
 import {ReserveCreationInfo, Amounts} from "../lib/wallet/types";
 import MithrilComponent = _mithril.MithrilComponent;
 import {Denomination} from "../lib/wallet/types";
@@ -60,7 +60,7 @@ class DelayTimer {
 class Controller {
   url = m.prop<string>();
   statusString = null;
-  isValidMint = false;
+  isValidExchange = false;
   reserveCreationInfo: ReserveCreationInfo = null;
   private timer: DelayTimer;
   private request: XMLHttpRequest;
@@ -68,12 +68,12 @@ class Controller {
   callbackUrl: string;
   detailCollapsed = m.prop<boolean>(true);
 
-  constructor(initialMintUrl: string, amount: AmountJson, callbackUrl: string) {
+  constructor(initialExchangeUrl: string, amount: AmountJson, callbackUrl: string) {
     console.log("creating main controller");
     this.amount = amount;
     this.callbackUrl = callbackUrl;
     this.timer = new DelayTimer(800, () => this.update());
-    this.url(initialMintUrl);
+    this.url(initialExchangeUrl);
     this.update();
   }
 
@@ -93,19 +93,19 @@ class Controller {
 
       m.redraw(true);
 
-      console.log("doing get mint info");
+      console.log("doing get exchange info");
 
       getReserveCreationInfo(this.url(), this.amount)
         .then((r: ReserveCreationInfo) => {
-          console.log("get mint info resolved");
+          console.log("get exchange info resolved");
-          this.isValidMint = true;
+          this.isValidExchange = true;
           this.reserveCreationInfo = r;
           console.dir(r);
-          this.statusString = "The mint base URL is valid!";
+          this.statusString = "The exchange base URL is valid!";
           m.endComputation();
         })
         .catch((e) => {
-          console.log("get mint info rejected");
+          console.log("get exchange info rejected");
           if (e.hasOwnProperty("httpStatus")) {
             this.statusString = `request failed with status ${this.request.status}`;
           } else {
@@ -122,7 +122,7 @@ class Controller {
   }
 
   reset() {
-    this.isValidMint = false;
+    this.isValidExchange = false;
     this.statusString = null;
     this.reserveCreationInfo = null;
     if (this.request) {
@@ -131,8 +131,8 @@ class Controller {
     }
   }
 
-  confirmReserve(mint: string, amount: AmountJson, callback_url: string) {
+  confirmReserve(exchange: string, amount: AmountJson, callback_url: string) {
-    const d = {mint, amount};
+    const d = {exchange, amount};
     const cb = (rawResp) => {
       if (!rawResp) {
         throw Error("empty response");
@@ -140,7 +140,7 @@ class Controller {
       if (!rawResp.error) {
         const resp = CreateReserveResponse.checked(rawResp);
         let q = {
-          mint: resp.mint,
+          exchange: resp.exchange,
           reserve_pub: resp.reservePub,
           amount_value: amount.value,
           amount_fraction: amount.fraction,
@@ -190,7 +190,7 @@ function view(ctrl: Controller) {
        onclick: () => ctrl.confirmReserve(ctrl.url(),
                                           ctrl.amount,
                                           ctrl.callbackUrl),
-       disabled: !ctrl.isValidMint
+       disabled: !ctrl.isValidExchange
      },
      "Confirm exchange selection");
 
@@ -256,30 +256,30 @@ function renderReserveCreationDetails(rci: ReserveCreationInfo) {
 }
 
 
-interface MintProbeResult {
+interface ExchangeProbeResult {
   keyInfo?: any;
 }
 
-function probeMint(mintBaseUrl: string): Promise<MintProbeResult> {
+function probeExchange(exchangeBaseUrl: string): Promise<ExchangeProbeResult> {
   throw Error("not implemented");
 }
 
 
-function getSuggestedMint(currency: string): Promise<string> {
+function getSuggestedExchange(currency: string): Promise<string> {
   // TODO: make this request go to the wallet backend
   // Right now, this is a stub.
-  const defaultMint = {
+  const defaultExchange = {
     "KUDOS": "http://exchange.demo.taler.net",
     "PUDOS": "http://exchange.test.taler.net",
   };
 
-  let mint = defaultMint[currency];
+  let exchange = defaultExchange[currency];
 
-  if (!mint) {
+  if (!exchange) {
-    mint = ""
+    exchange = ""
   }
 
-  return Promise.resolve(mint);
+  return Promise.resolve(exchange);
 }
 
 
@@ -290,11 +290,11 @@ export function main() {
   const callback_url = query.callback_url;
   const bank_url = query.bank_url;
 
-  getSuggestedMint(amount.currency)
+  getSuggestedExchange(amount.currency)
-    .then((suggestedMintUrl) => {
+    .then((suggestedExchangeUrl) => {
-      const controller = () => new Controller(suggestedMintUrl, amount, callback_url);
+      const controller = () => new Controller(suggestedExchangeUrl, amount, callback_url);
-      var MintSelection = {controller, view};
+      var ExchangeSelection = {controller, view};
-      m.mount(document.getElementById("mint-selection"), MintSelection);
+      m.mount(document.getElementById("exchange-selection"), ExchangeSelection);
     })
     .catch((e) => {
       // TODO: provide more context information, maybe factor it out into a