From 21c5af5a8a20a58cb913ac0a417ba3d508b2ef91 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Sun, 1 Jan 2017 16:06:34 +0000
Subject: wallet2_api: add an address book payment id lookup API

---
 src/wallet/api/address_book.cpp | 22 ++++++++++++++++++++++
 src/wallet/api/address_book.h   |  2 ++
 src/wallet/wallet2_api.h        |  1 +
 3 files changed, 25 insertions(+)

(limited to 'src/wallet')

diff --git a/src/wallet/api/address_book.cpp b/src/wallet/api/address_book.cpp
index bbf96c81a..b878491ce 100644
--- a/src/wallet/api/address_book.cpp
+++ b/src/wallet/api/address_book.cpp
@@ -103,6 +103,28 @@ bool AddressBookImpl::deleteRow(std::size_t rowId)
   return r;
 } 
 
+int AddressBookImpl::lookupPaymentID(const std::string &payment_id) const
+{
+    // turn short ones into long ones for comparison
+    const std::string long_payment_id = payment_id + std::string(64 - payment_id.size(), '0');
+
+    int idx = -1;
+    for (const auto &row: m_rows) {
+        ++idx;
+        // this does short/short and long/long
+        if (payment_id == row->getPaymentId())
+            return idx;
+        // short/long
+        if (long_payment_id == row->getPaymentId())
+            return idx;
+        // one case left: payment_id was long, row's is short
+        const std::string long_row_payment_id = row->getPaymentId() + std::string(64 - row->getPaymentId().size(), '0');
+        if (payment_id == long_row_payment_id)
+            return idx;
+    }
+    return -1;
+}
+
 void AddressBookImpl::clearRows() {
    for (auto r : m_rows) {
      delete r;
diff --git a/src/wallet/api/address_book.h b/src/wallet/api/address_book.h
index 7f30e4387..33d06a078 100644
--- a/src/wallet/api/address_book.h
+++ b/src/wallet/api/address_book.h
@@ -51,6 +51,8 @@ public:
     // Error codes. See AddressBook:ErrorCode enum in wallet2_api.h
     std::string errorString() const {return m_errorString;}
     int errorCode() const {return m_errorCode;}
+
+    int lookupPaymentID(const std::string &payment_id) const;
     
 private:
     void clearRows();
diff --git a/src/wallet/wallet2_api.h b/src/wallet/wallet2_api.h
index 2e1d95b58..10590d357 100644
--- a/src/wallet/wallet2_api.h
+++ b/src/wallet/wallet2_api.h
@@ -175,6 +175,7 @@ struct AddressBook
     virtual void refresh() = 0;  
     virtual std::string errorString() const = 0;
     virtual int errorCode() const = 0;
+    virtual int lookupPaymentID(const std::string &payment_id) const = 0;
 };
 
 struct WalletListener
-- 
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