From 57e980d13ca488031bde6ef197cf34d493d36796 Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Mon, 15 Mar 2021 10:41:30 +0800
Subject: scripted-diff: remove Optional & nullopt

-BEGIN VERIFY SCRIPT-
git rm src/optional.h

sed -i -e 's/Optional</std::optional</g' $(git grep -l 'Optional<' src)

sed -i -e 's/{nullopt}/{std::nullopt}/g' $(git grep -l 'nullopt' src)
sed -i -e 's/ nullopt;/ std::nullopt;/g' $(git grep -l 'nullopt' src)
sed -i -e 's/ nullopt)/ std::nullopt)/g' $(git grep -l 'nullopt' src)
sed -i -e 's/(nullopt)/(std::nullopt)/g' $(git grep -l 'nullopt' src)
sed -i -e 's/ nullopt,/ std::nullopt,/g' $(git grep -l 'nullopt' src)
sed -i -e 's/? nullopt :/? std::nullopt :/g' $(git grep -l 'nullopt' src)
sed -i -e 's/: nullopt}/: std::nullopt}/g' $(git grep -l 'nullopt' src)

sed -i -e '/optional.h \\/d' src/Makefile.am

sed -i -e '/#include <optional.h>/d' src/test/fuzz/autofile.cpp src/test/fuzz/buffered_file.cpp src/test/fuzz/node_eviction.cpp

sed -i -e 's/#include <optional.h>/#include <optional>/g' $(git grep -l '#include <optional.h>' src)
-END VERIFY SCRIPT-
---
 src/interfaces/chain.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/interfaces')

diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h
index ebc5466173..50294ee375 100644
--- a/src/interfaces/chain.h
+++ b/src/interfaces/chain.h
@@ -5,7 +5,7 @@
 #ifndef BITCOIN_INTERFACES_CHAIN_H
 #define BITCOIN_INTERFACES_CHAIN_H
 
-#include <optional.h>               // For Optional and nullopt
+#include <optional>               // For Optional and nullopt
 #include <primitives/transaction.h> // For CTransactionRef
 #include <util/settings.h>          // For util::SettingsValue
 
@@ -94,7 +94,7 @@ public:
     //! Get current chain height, not including genesis block (returns 0 if
     //! chain only contains genesis block, nullopt if chain does not contain
     //! any blocks)
-    virtual Optional<int> getHeight() = 0;
+    virtual std::optional<int> getHeight() = 0;
 
     //! Get block hash. Height must be valid or this function will abort.
     virtual uint256 getBlockHash(int height) = 0;
@@ -109,7 +109,7 @@ public:
     //! Return height of the highest block on chain in common with the locator,
     //! which will either be the original block used to create the locator,
     //! or one of its ancestors.
-    virtual Optional<int> findLocatorFork(const CBlockLocator& locator) = 0;
+    virtual std::optional<int> findLocatorFork(const CBlockLocator& locator) = 0;
 
     //! Check if transaction will be final given chain height current time.
     virtual bool checkFinalTx(const CTransaction& tx) = 0;
@@ -154,7 +154,7 @@ public:
     //! Return true if data is available for all blocks in the specified range
     //! of blocks. This checks all blocks that are ancestors of block_hash in
     //! the height range from min_height to max_height, inclusive.
-    virtual bool hasBlocks(const uint256& block_hash, int min_height = 0, Optional<int> max_height = {}) = 0;
+    virtual bool hasBlocks(const uint256& block_hash, int min_height = 0, std::optional<int> max_height = {}) = 0;
 
     //! Check if transaction is RBF opt in.
     virtual RBFTransactionState isRBFOptIn(const CTransaction& tx) = 0;
-- 
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