introduce CharNotInt8 and BasicByte C++20 concepts
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Authored by PiRK on Wed, Dec 3, 15:56.

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Restricted Project

Summary

This allows removing some Bitcoin ABC specific code and is a dependency for future backports.

We also get better compiler error messages and support for serializing std::byte C-+style arrays as a side effect.

refactor: Print verbose serialize compiler error messages

https://github.com/bitcoin/bitcoin/pull/28423/commits/37e2b011136ca1cf00dfb9e575d12f0d035a6a2c
https://github.com/bitcoin/bitcoin/pull/29056/commits/fa898e6836a8fc2c7b6c8c15ad21818b16a89863

Allow std::byte C-style array serialization

https://github.com/bitcoin/bitcoin/pull/29056/commits/fae526345de539ab8f9b80100f6dfbe8e1d3284b

serialization: replace char-is-int8_t autoconf detection with c++20 concept

https://github.com/bitcoin/bitcoin/pull/29484/commits/ad7584d8b60119ca3717117a1eb6a16d753c5d74

This is a backport of core#29056 and core#29484
With also one commit from core#28423

Depends on D19039

Test Plan

ninja all check-all

Diff Detail

Repository

rABC Bitcoin ABC

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Lint Passed

Unit

No Test Coverage

Build Status

Buildable 35216
Build 69890: Build Diff	build-clang-tidy · lint-circular-dependencies · build-without-wallet · build-clang · build-debug · build-diff
Build 69889: arc lint + arc unit

Event Timeline

PiRK created this revision.Wed, Dec 3, 15:56

Herald added a reviewer: Restricted Project. · View Herald TranscriptWed, Dec 3, 15:56

PiRK requested review of this revision.Wed, Dec 3, 15:56

teamcity edited the summary of this revision. (Show Details)Wed, Dec 3, 15:56

PiRK edited the summary of this revision. (Show Details)Wed, Dec 3, 16:00

Harbormaster completed remote builds in B35216: Diff 56848.Wed, Dec 3, 16:04

Build Bitcoin ABC Diffs / Diff Testing (build-clang) failed.

Tail of the build log:

tests/test_iguana.py::test_redeem_script_empty_stack ##teamcity[testStarted timestamp='2025-12-03T16:03:33.708' captureStandardOutput='false' flowId='tests.test_iguana.test_redeem_script_empty_stack' metainfo='test_redeem_script_empty_stack' name='tests.test_iguana.test_redeem_script_empty_stack']
PASSED              [ 85%]##teamcity[testFinished timestamp='2025-12-03T16:03:33.720' duration='11' flowId='tests.test_iguana.test_redeem_script_empty_stack' name='tests.test_iguana.test_redeem_script_empty_stack']

tests/test_iguana.py::test_redeem_script_false ##teamcity[testStarted timestamp='2025-12-03T16:03:33.721' captureStandardOutput='false' flowId='tests.test_iguana.test_redeem_script_false' metainfo='test_redeem_script_false' name='tests.test_iguana.test_redeem_script_false']
PASSED                    [ 90%]##teamcity[testFinished timestamp='2025-12-03T16:03:33.732' duration='11' flowId='tests.test_iguana.test_redeem_script_false' name='tests.test_iguana.test_redeem_script_false']

tests/test_iguana.py::test_redeem_script_cleanstack ##teamcity[testStarted timestamp='2025-12-03T16:03:33.733' captureStandardOutput='false' flowId='tests.test_iguana.test_redeem_script_cleanstack' metainfo='test_redeem_script_cleanstack' name='tests.test_iguana.test_redeem_script_cleanstack']
PASSED               [ 95%]##teamcity[testFinished timestamp='2025-12-03T16:03:33.745' duration='11' flowId='tests.test_iguana.test_redeem_script_cleanstack' name='tests.test_iguana.test_redeem_script_cleanstack']

tests/test_iguana.py::test_redeem_script_input_sigchecks ##teamcity[testStarted timestamp='2025-12-03T16:03:33.746' captureStandardOutput='false' flowId='tests.test_iguana.test_redeem_script_input_sigchecks' metainfo='test_redeem_script_input_sigchecks' name='tests.test_iguana.test_redeem_script_input_sigchecks']
PASSED          [100%]##teamcity[testFinished timestamp='2025-12-03T16:03:33.773' duration='26' flowId='tests.test_iguana.test_redeem_script_input_sigchecks' name='tests.test_iguana.test_redeem_script_input_sigchecks']


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[258/540] Linking CXX executable src/qt/test/test_bitcoin-qt
[259/540] bitcoin-qt: testing test_bitcoin-qt
[260/540] Running bitcoin-qt test suite
PASSED: bitcoin-qt test suite
ninja: build stopped: cannot make progress due to previous errors.
Build build-clang failed with exit code 1

PiRK added a child revision: D19041: random: write rand256() and rand160() in function of fillrand().Wed, Dec 3, 16:06

Build Bitcoin ABC Diffs / Diff Testing (build-clang-tidy) failed.

Tail of the build log:

[205/545] Automatic MOC for target test_bitcoin-qt
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[211/545] Test Bitcoin utilities...
[212/545] Building CXX object src/test/CMakeFiles/test_bitcoin.dir/__/wallet/test/wallet_tests.cpp.o
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[226/545] seeder: testing parse_name_tests
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[231/545] Running seeder test suite
PASSED: seeder test suite
[232/545] Building CXX object src/qt/test/CMakeFiles/test_bitcoin-qt.dir/util.cpp.o
[233/545] Building CXX object src/qt/test/CMakeFiles/test_bitcoin-qt.dir/bitcoinaddressvalidatortests.cpp.o
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[235/545] Building CXX object src/pow/test/CMakeFiles/test-pow.dir/grasberg_tests.cpp.o
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[237/545] Building CXX object src/qt/test/CMakeFiles/test_bitcoin-qt.dir/test_bitcoin-qt_autogen/mocs_compilation.cpp.o
[238/545] pow: testing daa_tests
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[246/545] Running pow test suite
PASSED: pow test suite
[247/545] Building CXX object src/qt/test/CMakeFiles/test_bitcoin-qt.dir/optiontests.cpp.o
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[253/545] Building CXX object src/qt/test/CMakeFiles/test_bitcoin-qt.dir/__/__/wallet/test/wallet_test_fixture.cpp.o
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[258/545] bitcoin-qt: testing test_bitcoin-qt
[259/545] Running bitcoin-qt test suite
PASSED: bitcoin-qt test suite
ninja: build stopped: cannot make progress due to previous errors.
Build build-clang-tidy failed with exit code 1

should have checked clang before submitting