From 1025440184ef100a22d07c7bb543ee45cf169d64 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Mon, 14 May 2012 23:44:52 +0200
Subject: Refactor: split CKeyID/CScriptID/CTxDestination from CBitcoinAddress

This introduces internal types:
* CKeyID: reference (hash160) of a key
* CScriptID: reference (hash160) of a script
* CTxDestination: a boost::variant of the former two

CBitcoinAddress is retrofitted to be a Base58 encoding of a
CTxDestination. This allows all internal code to only use the
internal types, and only have RPC and GUI depend on the base58 code.

Furthermore, the header dependencies are a lot saner now. base58.h is
at the top (right below rpc and gui) instead of at the bottom. For the
rest: wallet -> script -> keystore -> key. Only keystore still requires
a forward declaration of CScript. Solving that would require splitting
script into two layers.
---
 src/qt/transactiondesc.cpp | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

(limited to 'src/qt/transactiondesc.cpp')

diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp
index 286cddf2a9..10bcef0d90 100644
--- a/src/qt/transactiondesc.cpp
+++ b/src/qt/transactiondesc.cpp
@@ -7,6 +7,7 @@
 #include "wallet.h"
 #include "db.h"
 #include "ui_interface.h"
+#include "base58.h"
 
 #include <QString>
 
@@ -85,14 +86,14 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx)
                 {
                     if (wallet->IsMine(txout))
                     {
-                        CBitcoinAddress address;
-                        if (ExtractAddress(txout.scriptPubKey, address) && wallet->HaveKey(address))
+                        CTxDestination address;
+                        if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*wallet, address))
                         {
                             if (wallet->mapAddressBook.count(address))
                             {
                                 strHTML += tr("<b>From:</b> ") + tr("unknown") + "<br>";
                                 strHTML += tr("<b>To:</b> ");
-                                strHTML += GUIUtil::HtmlEscape(address.ToString());
+                                strHTML += GUIUtil::HtmlEscape(CBitcoinAddress(address).ToString());
                                 if (!wallet->mapAddressBook[address].empty())
                                     strHTML += tr(" (yours, label: ") + GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + ")";
                                 else
@@ -115,8 +116,9 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx)
             // Online transaction
             strAddress = wtx.mapValue["to"];
             strHTML += tr("<b>To:</b> ");
-            if (wallet->mapAddressBook.count(strAddress) && !wallet->mapAddressBook[strAddress].empty())
-                strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[strAddress]) + " ";
+            CTxDestination dest = CBitcoinAddress(strAddress).Get();
+            if (wallet->mapAddressBook.count(dest) && !wallet->mapAddressBook[dest].empty())
+                strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[dest]) + " ";
             strHTML += GUIUtil::HtmlEscape(strAddress) + "<br>";
         }
 
@@ -170,13 +172,13 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx)
                     if (wtx.mapValue["to"].empty())
                     {
                         // Offline transaction
-                        CBitcoinAddress address;
-                        if (ExtractAddress(txout.scriptPubKey, address))
+                        CTxDestination address;
+                        if (ExtractDestination(txout.scriptPubKey, address))
                         {
                             strHTML += tr("<b>To:</b> ");
                             if (wallet->mapAddressBook.count(address) && !wallet->mapAddressBook[address].empty())
                                 strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + " ";
-                            strHTML += GUIUtil::HtmlEscape(address.ToString());
+                            strHTML += GUIUtil::HtmlEscape(CBitcoinAddress(address).ToString());
                             strHTML += "<br>";
                         }
                     }
@@ -260,12 +262,12 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx)
                         {
                             strHTML += "<li>";
                             const CTxOut &vout = prev.vout[prevout.n];
-                            CBitcoinAddress address;
-                            if (ExtractAddress(vout.scriptPubKey, address))
+                            CTxDestination address;
+                            if (ExtractDestination(vout.scriptPubKey, address))
                             {
                                 if (wallet->mapAddressBook.count(address) && !wallet->mapAddressBook[address].empty())
                                     strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + " ";
-                                strHTML += QString::fromStdString(address.ToString());
+                                strHTML += QString::fromStdString(CBitcoinAddress(address).ToString());
                             }
                             strHTML = strHTML + " Amount=" + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,vout.nValue);
                             strHTML = strHTML + " IsMine=" + (wallet->IsMine(vout) ? "true" : "false") + "</li>";
-- 
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