From 906cc4c40b01441d80bee3581ee3cb190d38716c Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Sat, 15 Dec 2018 23:00:29 +0000
Subject: [PATCH] Wallet: GetIssuanceAssets to get CAmountMap for issuances

---
 src/wallet/wallet.cpp | 21 +++++++++++++++++----
 src/wallet/wallet.h   |  2 ++
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 5e85c671cc..f1fdedcd37 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2024,6 +2024,19 @@ bool CWalletTx::IsEquivalentTo(const CWalletTx& _tx) const
         return CTransaction(tx1) == CTransaction(tx2);
 }
 
+CAmountMap CWalletTx::GetIssuanceAssets(unsigned int input_index) const {
+    CAmountMap ret;
+    CAsset asset, token;
+    GetIssuanceAssets(input_index, &asset, &token);
+    if (!asset.IsNull()) {
+        ret[asset] = GetIssuanceAmount(input_index, false);
+    }
+    if (!token.IsNull()) {
+        ret[token] = GetIssuanceAmount(input_index, true);
+    }
+    return ret;
+}
+
 std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime, CConnman* connman)
 {
     std::vector<uint256> result;
@@ -5196,9 +5209,9 @@ CPubKey CWalletTx::GetOutputBlindingPubKey(unsigned int output_index) const {
     return ret;
 }
 
-void CWalletTx::GetIssuanceAssets(unsigned int vinIndex, CAsset* out_asset, CAsset* out_reissuance_token) const {
-    assert(vinIndex < tx->vin.size());
-    const CAssetIssuance& issuance = tx->vin[vinIndex].assetIssuance;
+void CWalletTx::GetIssuanceAssets(unsigned int input_index, CAsset* out_asset, CAsset* out_reissuance_token) const {
+    assert(input_index < tx->vin.size());
+    const CAssetIssuance& issuance = tx->vin[input_index].assetIssuance;
 
     if (out_asset && issuance.nAmount.IsNull()) {
         out_asset->SetNull();
@@ -5212,7 +5225,7 @@ void CWalletTx::GetIssuanceAssets(unsigned int vinIndex, CAsset* out_asset, CAss
 
     if (issuance.assetBlindingNonce.IsNull()) {
         uint256 entropy;
-        GenerateAssetEntropy(entropy, tx->vin[vinIndex].prevout, issuance.assetEntropy);
+        GenerateAssetEntropy(entropy, tx->vin[input_index].prevout, issuance.assetEntropy);
         if (out_reissuance_token) {
             CalculateReissuanceToken(*out_reissuance_token, entropy, issuance.nAmount.IsCommitment());
         }
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 86a726dfb4..87d22bc346 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -535,6 +535,8 @@ public:
     CAsset GetOutputAsset(unsigned int output_index) const;
     //! Get the issuance CAssets for both the asset itself and the issuing tokens
     void GetIssuanceAssets(unsigned int vinIndex, CAsset* out_asset, CAsset* out_reissuance_token) const;
+    // ! Return map of issued assets at input_index
+    CAmountMap GetIssuanceAssets(unsigned int input_index) const;
     // ! Returns receiver's blinding pubkey
     CPubKey GetOutputBlindingPubKey(unsigned int output_index) const;
     //! Get the issuance blinder for either the asset itself or the issuing tokens