Fix typos reported by codespell

src/dbwrapper.cpp

@@ -78,7 +78,7 @@ static void SetMaxOpenFiles(leveldb::Options *options) {
     // do not interfere with select() loops. On 64-bit Unix hosts this value is
     // also OK, because up to that amount LevelDB will use an mmap
     // implementation that does not use extra file descriptors (the fds are
-    // closed after being mmaped).
+    // closed after being mmap'ed).
     //
     // Increasing the value beyond the default is dangerous because LevelDB will
     // fall back to a non-mmap implementation when the file count is too large.

src/qt/test/util.h

@@ -5,7 +5,7 @@
  * Press "Ok" button in message box dialog.
  *
  * @param text - Optionally store dialog text.
- * @param msec - Number of miliseconds to pause before triggering the callback.
+ * @param msec - Number of milliseconds to pause before triggering the callback.
  */
 void ConfirmMessage(QString* text = nullptr, int msec = 0);
 

src/rpc/rawtransaction.cpp

@@ -1740,7 +1740,7 @@ UniValue converttopsbt(const JSONRPCRequest& request)
                             "                              will continue. If false, RPC will fail if any signatures are present.\n"
                             "3. iswitness               (boolean, optional) Whether the transaction hex is a serialized witness transaction.\n"
                             "                              If iswitness is not present, heuristic tests will be used in decoding. If true, only witness deserializaion\n"
-                            "                              will be tried. If false, only non-witness deserialization wil be tried. Only has an effect if\n"
+                            "                              will be tried. If false, only non-witness deserialization will be tried. Only has an effect if\n"
                             "                              permitsigdata is true.\n"
                             "\nResult:\n"
                             "  \"psbt\"        (string)  The resulting raw transaction (base64-encoded string)\n"

src/scheduler.h

@@ -111,7 +111,7 @@ public:
     /**
      * Add a callback to be executed. Callbacks are executed serially
      * and memory is release-acquire consistent between callback executions.
-     * Practially, this means that callbacks can behave as if they are executed
+     * Practically, this means that callbacks can behave as if they are executed
      * in order by a single thread.
      */
     void AddToProcessQueue(std::function<void (void)> func);

src/script/descriptor.cpp

@@ -373,7 +373,7 @@ enum class ParseScriptContext {
     P2WSH,
 };
 
-/** Parse a constant. If succesful, sp is updated to skip the constant and return true. */
+/** Parse a constant. If successful, sp is updated to skip the constant and return true. */
 bool Const(const std::string& str, Span<const char>& sp)
 {
     if ((size_t)sp.size() >= str.size() && std::equal(str.begin(), str.end(), sp.begin())) {
@@ -383,7 +383,7 @@ bool Const(const std::string& str, Span<const char>& sp)
     return false;
 }
 
-/** Parse a function call. If succesful, sp is updated to be the function's argument(s). */
+/** Parse a function call. If successful, sp is updated to be the function's argument(s). */
 bool Func(const std::string& str, Span<const char>& sp)
 {
     if ((size_t)sp.size() >= str.size() + 2 && sp[str.size()] == '(' && sp[sp.size() - 1] == ')' && std::equal(str.begin(), str.end(), sp.begin())) {

src/streams.h

@@ -529,7 +529,7 @@ public:
     explicit BitStreamReader(IStream& istream) : m_istream(istream) {}
 
     /** Read the specified number of bits from the stream. The data is returned
-     * in the nbits least signficant bits of a 64-bit uint.
+     * in the nbits least significant bits of a 64-bit uint.
      */
     uint64_t Read(int nbits) {
         if (nbits < 0 || nbits > 64) {

src/support/lockedpool.cpp

@@ -75,7 +75,7 @@ void* Arena::alloc(size_t size)
 
     // Create the used-chunk, taking its space from the end of the free-chunk
     const size_t size_remaining = size_ptr_it->first - size;
-    auto alloced = chunks_used.emplace(size_ptr_it->second + size_remaining, size).first;
+    auto allocated = chunks_used.emplace(size_ptr_it->second + size_remaining, size).first;
     chunks_free_end.erase(size_ptr_it->second + size_ptr_it->first);
     if (size_ptr_it->first == size) {
         // whole chunk is used up
@@ -88,7 +88,7 @@ void* Arena::alloc(size_t size)
     }
     size_to_free_chunk.erase(size_ptr_it);
 
-    return reinterpret_cast<void*>(alloced->first);
+    return reinterpret_cast<void*>(allocated->first);
 }
 
 void Arena::free(void *ptr)

src/wallet/db.cpp

@@ -72,7 +72,7 @@ BerkeleyEnvironment* GetWalletEnv(const fs::path& wallet_path, std::string& data
         database_filename = "wallet.dat";
     }
     LOCK(cs_db);
-    // Note: An ununsed temporary BerkeleyEnvironment object may be created inside the
+    // Note: An unused temporary BerkeleyEnvironment object may be created inside the
     // emplace function if the key already exists. This is a little inefficient,
     // but not a big concern since the map will be changed in the future to hold
     // pointers instead of objects, anyway.