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path: root/network/bitcoin/boost-1.66.0.patch
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From 1ec0c0a01c316146434642ab2f14a7367306dbec Mon Sep 17 00:00:00 2001
From: Suhas Daftuar <sdaftuar@gmail.com>
Date: Thu, 7 Dec 2017 09:57:53 -0500
Subject: [PATCH] Make boost::multi_index comparators const

This fixes compatibility with boost 1.66
---
 src/miner.h     |  4 ++--
 src/txmempool.h | 10 +++++-----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/miner.h b/src/miner.h
index 36276dc362c5..d81ec6421cb8 100644
--- a/src/miner.h
+++ b/src/miner.h
@@ -71,7 +71,7 @@ struct modifiedentry_iter {
 // except operating on CTxMemPoolModifiedEntry.
 // TODO: refactor to avoid duplication of this logic.
 struct CompareModifiedEntry {
-    bool operator()(const CTxMemPoolModifiedEntry &a, const CTxMemPoolModifiedEntry &b)
+    bool operator()(const CTxMemPoolModifiedEntry &a, const CTxMemPoolModifiedEntry &b) const
     {
         double f1 = (double)a.nModFeesWithAncestors * b.nSizeWithAncestors;
         double f2 = (double)b.nModFeesWithAncestors * a.nSizeWithAncestors;
@@ -86,7 +86,7 @@ struct CompareModifiedEntry {
 // This is sufficient to sort an ancestor package in an order that is valid
 // to appear in a block.
 struct CompareTxIterByAncestorCount {
-    bool operator()(const CTxMemPool::txiter &a, const CTxMemPool::txiter &b)
+    bool operator()(const CTxMemPool::txiter &a, const CTxMemPool::txiter &b) const
     {
         if (a->GetCountWithAncestors() != b->GetCountWithAncestors())
             return a->GetCountWithAncestors() < b->GetCountWithAncestors();
diff --git a/src/txmempool.h b/src/txmempool.h
index 346585ab115e..86a008d7b211 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -204,7 +204,7 @@ struct mempoolentry_txid
 class CompareTxMemPoolEntryByDescendantScore
 {
 public:
-    bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b)
+    bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b) const
     {
         bool fUseADescendants = UseDescendantScore(a);
         bool fUseBDescendants = UseDescendantScore(b);
@@ -226,7 +226,7 @@ class CompareTxMemPoolEntryByDescendantScore
     }
 
     // Calculate which score to use for an entry (avoiding division).
-    bool UseDescendantScore(const CTxMemPoolEntry &a)
+    bool UseDescendantScore(const CTxMemPoolEntry &a) const
     {
         double f1 = (double)a.GetModifiedFee() * a.GetSizeWithDescendants();
         double f2 = (double)a.GetModFeesWithDescendants() * a.GetTxSize();
@@ -241,7 +241,7 @@ class CompareTxMemPoolEntryByDescendantScore
 class CompareTxMemPoolEntryByScore
 {
 public:
-    bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b)
+    bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b) const
     {
         double f1 = (double)a.GetModifiedFee() * b.GetTxSize();
         double f2 = (double)b.GetModifiedFee() * a.GetTxSize();
@@ -255,7 +255,7 @@ class CompareTxMemPoolEntryByScore
 class CompareTxMemPoolEntryByEntryTime
 {
 public:
-    bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b)
+    bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b) const
     {
         return a.GetTime() < b.GetTime();
     }
@@ -264,7 +264,7 @@ class CompareTxMemPoolEntryByEntryTime
 class CompareTxMemPoolEntryByAncestorFee
 {
 public:
-    bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b)
+    bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b) const
     {
         double aFees = a.GetModFeesWithAncestors();
         double aSize = a.GetSizeWithAncestors();