From b214934b75418d0d01c9556577d9594f1db5a319 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Tue, 21 Jun 2022 12:40:12 +0200
Subject: wallet-core: P2P push payments (still incomplete)

---
 packages/taler-util/src/talerCrypto.ts |  2 ++
 packages/taler-util/src/talerTypes.ts  | 42 ++++++++++++++++++++++++++++++++--
 packages/taler-util/src/walletTypes.ts | 27 +++++++++++++++-------
 3 files changed, 61 insertions(+), 10 deletions(-)

(limited to 'packages/taler-util')

diff --git a/packages/taler-util/src/talerCrypto.ts b/packages/taler-util/src/talerCrypto.ts
index e2360b095..188f5ec0a 100644
--- a/packages/taler-util/src/talerCrypto.ts
+++ b/packages/taler-util/src/talerCrypto.ts
@@ -773,6 +773,8 @@ export enum TalerSignaturePurpose {
   WALLET_COIN_LINK = 1204,
   WALLET_COIN_RECOUP_REFRESH = 1206,
   WALLET_AGE_ATTESTATION = 1207,
+  WALLET_PURSE_CREATE = 1210,
+  WALLET_PURSE_DEPOSIT = 1211,
   EXCHANGE_CONFIRM_RECOUP = 1039,
   EXCHANGE_CONFIRM_RECOUP_REFRESH = 1041,
   ANASTASIS_POLICY_UPLOAD = 1400,
diff --git a/packages/taler-util/src/talerTypes.ts b/packages/taler-util/src/talerTypes.ts
index 7fc3fcba0..7afa76e9e 100644
--- a/packages/taler-util/src/talerTypes.ts
+++ b/packages/taler-util/src/talerTypes.ts
@@ -565,8 +565,8 @@ export interface MerchantAbortPayRefundDetails {
   refund_amount: string;
 
   /**
-  * Fee for the refund.
-  */
+   * Fee for the refund.
+   */
   refund_fee: string;
 
   /**
@@ -1794,3 +1794,41 @@ export const codecForDepositSuccess = (): Codec<DepositSuccess> =>
     .property("exchange_timestamp", codecForTimestamp)
     .property("transaction_base_url", codecOptional(codecForString()))
     .build("DepositSuccess");
+
+export interface PurseDeposit {
+  /**
+   * Amount to be deposited, can be a fraction of the
+   * coin's total value.
+   */
+  amount: AmountString;
+
+  /**
+   * Hash of denomination RSA key with which the coin is signed.
+   */
+  denom_pub_hash: HashCodeString;
+
+  /**
+   * Exchange's unblinded RSA signature of the coin.
+   */
+  ub_sig: UnblindedSignature;
+
+  /**
+   * Age commitment hash for the coin, if the denomination is age-restricted.
+   */
+  h_age_commitment?: HashCodeString;
+
+  // FIXME-Oec: proof of age is missing.
+
+  /**
+   * Signature over TALER_PurseDepositSignaturePS
+   * of purpose TALER_SIGNATURE_WALLET_PURSE_DEPOSIT
+   * made by the customer with the
+   * coin's private key.
+   */
+  coin_sig: EddsaSignatureString;
+
+  /**
+   * Public key of the coin being deposited into the purse.
+   */
+  coin_pub: EddsaPublicKeyString;
+}
diff --git a/packages/taler-util/src/walletTypes.ts b/packages/taler-util/src/walletTypes.ts
index 2e5dd418d..4b1911164 100644
--- a/packages/taler-util/src/walletTypes.ts
+++ b/packages/taler-util/src/walletTypes.ts
@@ -32,10 +32,7 @@ import {
   codecForAmountJson,
   codecForAmountString,
 } from "./amounts.js";
-import {
-  codecForTimestamp,
-  TalerProtocolTimestamp,
-} from "./time.js";
+import { codecForTimestamp, TalerProtocolTimestamp } from "./time.js";
 import {
   buildCodecForObject,
   codecForString,
@@ -1230,15 +1227,14 @@ export interface ForcedCoinSel {
 }
 
 export interface TestPayResult {
-  payCoinSelection: PayCoinSelection,
+  payCoinSelection: PayCoinSelection;
 }
 
-
 /**
  * Result of selecting coins, contains the exchange, and selected
  * coins with their denomination.
  */
- export interface PayCoinSelection {
+export interface PayCoinSelection {
   /**
    * Amount requested by the merchant.
    */
@@ -1263,4 +1259,19 @@ export interface TestPayResult {
    * How much of the deposit fees is the customer paying?
    */
   customerDepositFees: AmountJson;
-}
\ No newline at end of file
+}
+
+export interface InitiatePeerPushPaymentRequest {
+  amount: AmountString;
+}
+
+export interface InitiatePeerPushPaymentResponse {
+  pursePub: string;
+  mergePriv: string;
+}
+
+export const codecForInitiatePeerPushPaymentRequest =
+  (): Codec<InitiatePeerPushPaymentRequest> =>
+    buildCodecForObject<InitiatePeerPushPaymentRequest>()
+      .property("amount", codecForAmountString())
+      .build("InitiatePeerPushPaymentRequest");
-- 
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