1 files changed, 0 insertions, 112 deletions
diff --git a/wallet/src/commonMain/kotlin/net/taler/lib/wallet/crypto/Deposit.kt b/wallet/src/commonMain/kotlin/net/taler/lib/wallet/crypto/Deposit.kt
deleted file mode 100644
index 66255d8..0000000
--- a/wallet/src/commonMain/kotlin/net/taler/lib/wallet/crypto/Deposit.kt
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * This file is part of GNU Taler
- * (C) 2020 Taler Systems S.A.
- *
- * GNU Taler is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation; either version 3, or (at your option) any later version.
- *
- * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
- */
-
-package net.taler.lib.wallet.crypto
-
-import net.taler.lib.common.Amount
-import net.taler.lib.common.Timestamp
-import net.taler.lib.wallet.Base32Crockford
-import net.taler.lib.wallet.crypto.Signature.Companion.WALLET_COIN_DEPOSIT
-import net.taler.lib.wallet.roundedToByteArray
-import net.taler.lib.wallet.toByteArray
-
-/**
- * Deposit operations are requested by a merchant during a transaction.
- * For the deposit operation, the merchant has to obtain the deposit permission for a coin
- * from their customer who owns the coin.
- *
- * When depositing a coin, the merchant is credited an amount specified in the deposit permission,
- * possibly a fraction of the total coin’s value,
- * minus the deposit fee as specified by the coin’s denomination.
- */
-internal class Deposit(private val crypto: Crypto) {
-
-    /**
-     * Private data required to make a deposit permission.
-     */
-    data class DepositInfo(
-        val exchangeBaseUrl: String,
-        val contractTermsHash: String,
-        val coinPublicKey: String,
-        val coinPrivateKey: String,
-        val spendAmount: Amount,
-        val timestamp: Timestamp,
-        val refundDeadline: Timestamp,
-        val merchantPublicKey: String,
-        val feeDeposit: Amount,
-        val wireInfoHash: String,
-        val denomPublicKey: String,
-        val denomSignature: String
-    )
-
-    /**
-     * Deposit permission for a single coin.
-     */
-    // TODO rename _
-    data class CoinDepositPermission(
-        /**
-         * Signature by the coin.
-         */
-        val coinSignature: String,
-        /**
-         * Public key of the coin being spend.
-         */
-        val coinPublicKey: String,
-        /**
-         * Signature made by the denomination public key.
-         */
-        val denomSignature: String,
-        /**
-         * The denomination public key associated with this coin.
-         */
-        val denomPublicKey: String,
-        /**
-         * The amount that is subtracted from this coin with this payment.
-         */
-        val contribution: String,
-        /**
-         * URL of the exchange this coin was withdrawn from.
-         */
-        val exchangeBaseUrl: String
-    )
-
-    /**
-     * Generate updated coins (to store in the database) and deposit permissions for each given coin.
-     */
-    fun signDepositPermission(depositInfo: DepositInfo): CoinDepositPermission {
-        val d = Signature.PurposeBuilder(WALLET_COIN_DEPOSIT)
-            .put(Base32Crockford.decode(depositInfo.contractTermsHash))
-            .put(Base32Crockford.decode(depositInfo.wireInfoHash))
-            .put(depositInfo.timestamp.roundedToByteArray())
-            .put(depositInfo.refundDeadline.roundedToByteArray())
-            .put(depositInfo.spendAmount.toByteArray())
-            .put(depositInfo.feeDeposit.toByteArray())
-            .put(Base32Crockford.decode(depositInfo.merchantPublicKey))
-            .put(Base32Crockford.decode(depositInfo.coinPublicKey))
-            .build()
-        val coinPriv = Base32Crockford.decode(depositInfo.coinPrivateKey);
-        val coinSig = crypto.eddsaSign(d, coinPriv)
-        return CoinDepositPermission(
-            coinPublicKey = depositInfo.coinPublicKey,
-            coinSignature = Base32Crockford.encode(coinSig),
-            contribution = depositInfo.spendAmount.toJSONString(),
-            denomPublicKey = depositInfo.denomPublicKey,
-            exchangeBaseUrl = depositInfo.exchangeBaseUrl,
-            denomSignature = depositInfo.denomSignature
-        )
-    }
-
-}