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/script/descriptor.cpp | 18 +++++++++---------
 src/script/descriptor.h   |  4 ++--
 2 files changed, 11 insertions(+), 11 deletions(-)

(limited to 'src/script')

diff --git a/src/script/descriptor.cpp b/src/script/descriptor.cpp
index 889cb4f06e..cfe1da12e8 100644
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -632,7 +632,7 @@ public:
         }
     }
 
-    Optional<OutputType> GetOutputType() const override { return nullopt; }
+    std::optional<OutputType> GetOutputType() const override { return std::nullopt; }
 };
 
 /** A parsed addr(A) descriptor. */
@@ -646,7 +646,7 @@ public:
     AddressDescriptor(CTxDestination destination) : DescriptorImpl({}, {}, "addr"), m_destination(std::move(destination)) {}
     bool IsSolvable() const final { return false; }
 
-    Optional<OutputType> GetOutputType() const override
+    std::optional<OutputType> GetOutputType() const override
     {
         switch (m_destination.index()) {
             case 1 /* PKHash */:
@@ -655,7 +655,7 @@ public:
             case 4 /* WitnessV0KeyHash */:
             case 5 /* WitnessUnknown */: return OutputType::BECH32;
             case 0 /* CNoDestination */:
-            default: return nullopt;
+            default: return std::nullopt;
         }
     }
     bool IsSingleType() const final { return true; }
@@ -672,7 +672,7 @@ public:
     RawDescriptor(CScript script) : DescriptorImpl({}, {}, "raw"), m_script(std::move(script)) {}
     bool IsSolvable() const final { return false; }
 
-    Optional<OutputType> GetOutputType() const override
+    std::optional<OutputType> GetOutputType() const override
     {
         CTxDestination dest;
         ExtractDestination(m_script, dest);
@@ -683,7 +683,7 @@ public:
             case 4 /* WitnessV0KeyHash */:
             case 5 /* WitnessUnknown */: return OutputType::BECH32;
             case 0 /* CNoDestination */:
-            default: return nullopt;
+            default: return std::nullopt;
         }
     }
     bool IsSingleType() const final { return true; }
@@ -711,7 +711,7 @@ protected:
     }
 public:
     PKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "pkh") {}
-    Optional<OutputType> GetOutputType() const override { return OutputType::LEGACY; }
+    std::optional<OutputType> GetOutputType() const override { return OutputType::LEGACY; }
     bool IsSingleType() const final { return true; }
 };
 
@@ -727,7 +727,7 @@ protected:
     }
 public:
     WPKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "wpkh") {}
-    Optional<OutputType> GetOutputType() const override { return OutputType::BECH32; }
+    std::optional<OutputType> GetOutputType() const override { return OutputType::BECH32; }
     bool IsSingleType() const final { return true; }
 };
 
@@ -783,7 +783,7 @@ protected:
 public:
     SHDescriptor(std::unique_ptr<DescriptorImpl> desc) : DescriptorImpl({}, std::move(desc), "sh") {}
 
-    Optional<OutputType> GetOutputType() const override
+    std::optional<OutputType> GetOutputType() const override
     {
         assert(m_subdescriptor_arg);
         if (m_subdescriptor_arg->GetOutputType() == OutputType::BECH32) return OutputType::P2SH_SEGWIT;
@@ -799,7 +799,7 @@ protected:
     std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, const CScript* script, FlatSigningProvider&) const override { return Vector(GetScriptForDestination(WitnessV0ScriptHash(*script))); }
 public:
     WSHDescriptor(std::unique_ptr<DescriptorImpl> desc) : DescriptorImpl({}, std::move(desc), "wsh") {}
-    Optional<OutputType> GetOutputType() const override { return OutputType::BECH32; }
+    std::optional<OutputType> GetOutputType() const override { return OutputType::BECH32; }
     bool IsSingleType() const final { return true; }
 };
 
diff --git a/src/script/descriptor.h b/src/script/descriptor.h
index 46d51fa587..c8d9efb11f 100644
--- a/src/script/descriptor.h
+++ b/src/script/descriptor.h
@@ -5,7 +5,7 @@
 #ifndef BITCOIN_SCRIPT_DESCRIPTOR_H
 #define BITCOIN_SCRIPT_DESCRIPTOR_H
 
-#include <optional.h>
+#include <optional>
 #include <outputtype.h>
 #include <script/script.h>
 #include <script/sign.h>
@@ -124,7 +124,7 @@ struct Descriptor {
     virtual void ExpandPrivate(int pos, const SigningProvider& provider, FlatSigningProvider& out) const = 0;
 
     /** @return The OutputType of the scriptPubKey(s) produced by this descriptor. Or nullopt if indeterminate (multiple or none) */
-    virtual Optional<OutputType> GetOutputType() const = 0;
+    virtual std::optional<OutputType> GetOutputType() const = 0;
 };
 
 /** Parse a `descriptor` string. Included private keys are put in `out`.
-- 
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