wallet-core: untangle version confusion for different bank APIs

4 files changed, 32 insertions, 3 deletions

diff --git a/API_CHANGES.md b/API_CHANGES.md
index 436466947..4da02622d 100644
--- a/API_CHANGES.md
+++ b/API_CHANGES.md
@@ -32,3 +32,5 @@ This files contains all the API changes for the current release:
   contentLanguage field that is returned if the exchange reports it.
 - 2023-12-12 2:0:1 dold: The checkPeerPushDebit now returns a maximum
   expiration date based on the expiry of selected coins.
+- 2023-12-13 3:0:2 dold: getVersion now returns the supported API version
+  ranges for all bank APIs separately.
diff --git a/packages/taler-util/src/wallet-types.ts b/packages/taler-util/src/wallet-types.ts
index e9f61680c..a11d858fa 100644
--- a/packages/taler-util/src/wallet-types.ts
+++ b/packages/taler-util/src/wallet-types.ts
@@ -1094,6 +1094,14 @@ export interface WalletCoreVersion {
   version: string;
   exchange: string;
   merchant: string;
+
+  bankIntegrationApiRange: string;
+  bankConversionApiRange: string;
+  corebankApiRange: string;
+
+  /**
+   * @deprecated as bank was split into multiple APIs withs separate versioning
+   */
   bank: string;
 
   /**
diff --git a/packages/taler-wallet-core/src/versions.ts b/packages/taler-wallet-core/src/versions.ts
index 5e72ad20a..023cbb1ff 100644
--- a/packages/taler-wallet-core/src/versions.ts
+++ b/packages/taler-wallet-core/src/versions.ts
@@ -29,18 +29,32 @@ export const WALLET_EXCHANGE_PROTOCOL_VERSION = "17:0:0";
 export const WALLET_MERCHANT_PROTOCOL_VERSION = "5:0:1";
 
 /**
- * Protocol version spoken with the bank.
+ * Protocol version spoken with the bank (bank integration API).
  *
  * Uses libtool's current:revision:age versioning.
  */
-export const WALLET_BANK_INTEGRATION_PROTOCOL_VERSION = "2:0:0";
+export const WALLET_BANK_INTEGRATION_PROTOCOL_VERSION = "1:0:0";
+
+/**
+ * Protocol version spoken with the bank (corebank API).
+ *
+ * Uses libtool's current:revision:age versioning.
+ */
+export const WALLET_COREBANK_API_PROTOCOL_VERSION = "2:0:0";
+
+/**
+ * Protocol version spoken with the bank (conversion API).
+ *
+ * Uses libtool's current:revision:age versioning.
+ */
+export const WALLET_BANK_CONVERSION_API_PROTOCOL_VERSION = "2:0:0";
 
 /**
  * Semver of the wallet-core API implementation.
  * Will be replaced with the value from package.json in a
  * post-compilation step (inside lib/).
  */
-export const WALLET_CORE_API_IMPLEMENTATION_VERSION = "2:0:1";
+export const WALLET_CORE_API_IMPLEMENTATION_VERSION = "3:0:2";
 
 /**
  * Libtool rules:
diff --git a/packages/taler-wallet-core/src/wallet.ts b/packages/taler-wallet-core/src/wallet.ts
index 86a80335e..da6ffa41f 100644
--- a/packages/taler-wallet-core/src/wallet.ts
+++ b/packages/taler-wallet-core/src/wallet.ts
@@ -309,7 +309,9 @@ import {
 } from "./util/query.js";
 import { TimerAPI, TimerGroup } from "./util/timer.js";
 import {
+  WALLET_BANK_CONVERSION_API_PROTOCOL_VERSION,
   WALLET_BANK_INTEGRATION_PROTOCOL_VERSION,
+  WALLET_COREBANK_API_PROTOCOL_VERSION,
   WALLET_CORE_API_IMPLEMENTATION_VERSION,
   WALLET_EXCHANGE_PROTOCOL_VERSION,
   WALLET_MERCHANT_PROTOCOL_VERSION,
@@ -1524,6 +1526,9 @@ export function getVersion(ws: InternalWalletState): WalletCoreVersion {
     version: WALLET_CORE_API_IMPLEMENTATION_VERSION,
     exchange: WALLET_EXCHANGE_PROTOCOL_VERSION,
     merchant: WALLET_MERCHANT_PROTOCOL_VERSION,
+    bankConversionApiRange: WALLET_BANK_CONVERSION_API_PROTOCOL_VERSION,
+    bankIntegrationApiRange: WALLET_BANK_INTEGRATION_PROTOCOL_VERSION,
+    corebankApiRange: WALLET_COREBANK_API_PROTOCOL_VERSION,
     bank: WALLET_BANK_INTEGRATION_PROTOCOL_VERSION,
     devMode: false,
   };