From 2676aeadfa0e43dcaaccc4720623cdfe0beed528 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Sun, 29 Mar 2020 17:42:38 -0700
Subject: Simplify usage of Span in several places

---
 src/script/descriptor.cpp  | 6 +++---
 src/script/interpreter.cpp | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/script')

diff --git a/src/script/descriptor.cpp b/src/script/descriptor.cpp
index ed0175bb10..7a5421ab6f 100644
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -139,7 +139,7 @@ std::string DescriptorChecksum(const Span<const char>& span)
     return ret;
 }
 
-std::string AddChecksum(const std::string& str) { return str + "#" + DescriptorChecksum(MakeSpan(str)); }
+std::string AddChecksum(const std::string& str) { return str + "#" + DescriptorChecksum(str); }
 
 ////////////////////////////////////////////////////////////////////////////
 // Internal representation                                                //
@@ -1087,7 +1087,7 @@ bool CheckChecksum(Span<const char>& sp, bool require_checksum, std::string& err
 
 std::unique_ptr<Descriptor> Parse(const std::string& descriptor, FlatSigningProvider& out, std::string& error, bool require_checksum)
 {
-    Span<const char> sp(descriptor.data(), descriptor.size());
+    Span<const char> sp{descriptor};
     if (!CheckChecksum(sp, require_checksum, error)) return nullptr;
     auto ret = ParseScript(0, sp, ParseScriptContext::TOP, out, error);
     if (sp.size() == 0 && ret) return std::unique_ptr<Descriptor>(std::move(ret));
@@ -1098,7 +1098,7 @@ std::string GetDescriptorChecksum(const std::string& descriptor)
 {
     std::string ret;
     std::string error;
-    Span<const char> sp(descriptor.data(), descriptor.size());
+    Span<const char> sp{descriptor};
     if (!CheckChecksum(sp, false, error, &ret)) return "";
     return ret;
 }
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 23d5b72a5c..9415bba585 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -1522,7 +1522,7 @@ static bool ExecuteWitnessScript(const Span<const valtype>& stack_span, const CS
 static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion, const std::vector<unsigned char>& program, unsigned int flags, const BaseSignatureChecker& checker, ScriptError* serror)
 {
     CScript scriptPubKey;
-    Span<const valtype> stack = MakeSpan(witness.stack);
+    Span<const valtype> stack{witness.stack};
 
     if (witversion == 0) {
         if (program.size() == WITNESS_V0_SCRIPTHASH_SIZE) {
-- 
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