Merge #14908: test: Removed implicit CTransaction constructor calls from tests and benchmarks.

8db0c3d42b Removed implicit CTransaction conversion from benchmaks (lucash-dev)
ed61abedb2 Removed implicit CTransaction constructor from tests (lucash-dev)

Pull request description:

  This PR was split from #14906 and is a prerequisite for it.
  It updates tests and benchmarks, removing all implicit calls to `CTransaction(CMutableTransaction&)` constructors. This will make possible making the constructor explicit in the next PR.
  The original rationale for making the constructor explicit:

   - Conversion constructors should not be explicit unless there's a strong reason for it (in the opinion of, for example, https://google.github.io/styleguide/cppguide.html, and https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Ro-conversion. Let me know your take on this).
   - This particular conversion is very costly -- it implies a serialization plus hash of the transaction.
   - Even though `CTransaction` and `CMutableTransaction` represent the same data, they have very different use cases and performance properties.
   - Making it explicit allows for easier reasoning of performance trade-offs.
   - There has been previous performance issues caused by unneeded use of this implicit conversion.
   - This PR creates a map for places to look for possible refactoring and performance gains (this benefit still holds if the PR is not merged).

Tree-SHA512: de8073aa6ff8a3153bcbe10818616677ecf9598e4978d8a0b4c39a262e71c36be5679cec08554c760d1f011ba6d37350318248eef15f6d9b86f9e4462b2de0d2

0 files changed, 0 insertions, 0 deletions