From fac30eec42c486ec1bfd696293040a7aa0f04625 Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Fri, 30 Apr 2021 20:03:35 +0200
Subject: refactor: Replace &foo[0] with foo.data()

---
 src/script/interpreter.cpp | 2 +-
 src/script/sigcache.cpp    | 4 ++--
 src/script/sign.cpp        | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/script')

diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 7e119bb3c4..dc0f165be0 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -1890,7 +1890,7 @@ static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion,
             const valtype& script_bytes = SpanPopBack(stack);
             exec_script = CScript(script_bytes.begin(), script_bytes.end());
             uint256 hash_exec_script;
-            CSHA256().Write(&exec_script[0], exec_script.size()).Finalize(hash_exec_script.begin());
+            CSHA256().Write(exec_script.data(), exec_script.size()).Finalize(hash_exec_script.begin());
             if (memcmp(hash_exec_script.begin(), program.data(), 32)) {
                 return set_error(serror, SCRIPT_ERR_WITNESS_PROGRAM_MISMATCH);
             }
diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp
index c5ff3d8d13..65867c1c14 100644
--- a/src/script/sigcache.cpp
+++ b/src/script/sigcache.cpp
@@ -53,14 +53,14 @@ public:
     ComputeEntryECDSA(uint256& entry, const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubkey) const
     {
         CSHA256 hasher = m_salted_hasher_ecdsa;
-        hasher.Write(hash.begin(), 32).Write(&pubkey[0], pubkey.size()).Write(vchSig.data(), vchSig.size()).Finalize(entry.begin());
+        hasher.Write(hash.begin(), 32).Write(pubkey.data(), pubkey.size()).Write(vchSig.data(), vchSig.size()).Finalize(entry.begin());
     }
 
     void
     ComputeEntrySchnorr(uint256& entry, const uint256 &hash, Span<const unsigned char> sig, const XOnlyPubKey& pubkey) const
     {
         CSHA256 hasher = m_salted_hasher_schnorr;
-        hasher.Write(hash.begin(), 32).Write(&pubkey[0], pubkey.size()).Write(sig.data(), sig.size()).Finalize(entry.begin());
+        hasher.Write(hash.begin(), 32).Write(pubkey.data(), pubkey.size()).Write(sig.data(), sig.size()).Finalize(entry.begin());
     }
 
     bool
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 4d9026427e..da0092f9e3 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -167,7 +167,7 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator
         return true;
 
     case TxoutType::WITNESS_V0_SCRIPTHASH:
-        CRIPEMD160().Write(&vSolutions[0][0], vSolutions[0].size()).Finalize(h160.begin());
+        CRIPEMD160().Write(vSolutions[0].data(), vSolutions[0].size()).Finalize(h160.begin());
         if (GetCScript(provider, sigdata, CScriptID{h160}, scriptRet)) {
             ret.push_back(std::vector<unsigned char>(scriptRet.begin(), scriptRet.end()));
             return true;
-- 
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