4d2acea tests: Add fuzzer asmap to FUZZERS_MISSING_CORPORA (temporarily) (practicalswift)
8d07706 tests: Add fuzzing harness for AS-mapping (asmap) (practicalswift)

Pull request description:

  Add fuzzing harness for AS-mapping (`asmap`).

  To test this PR:

  ```
  $ make distclean
  $ ./autogen.sh
  $ CC=clang CXX=clang++ ./configure --enable-fuzz \
        --with-sanitizers=address,fuzzer,undefined
  $ make
  $ src/test/fuzz/asmap
  …
  ```

ACKs for top commit:
  MarcoFalke:
    ACK 4d2acea
  jonatack:
    ACK 4d2acea

Tree-SHA512: bc4c63b48cd98c0cec9d10ecb43775b1bf1215241ff821fc7a866c7e2738605641fb88d044eabf2f48a8c16f2ced9ffce5165c9e6a83c73ece004350da7153e7

4d2acea tests: Add fuzzer asmap to FUZZERS_MISSING_CORPORA (temporarily) (practicalswift)
8d07706 tests: Add fuzzing harness for AS-mapping (asmap) (practicalswift)

Pull request description:

  Add fuzzing harness for AS-mapping (`asmap`).

  To test this PR:

  ```
  $ make distclean
  $ ./autogen.sh
  $ CC=clang CXX=clang++ ./configure --enable-fuzz \
        --with-sanitizers=address,fuzzer,undefined
  $ make
  $ src/test/fuzz/asmap
  …
  ```

ACKs for top commit:
  MarcoFalke:
    ACK 4d2acea
  jonatack:
    ACK 4d2acea

Tree-SHA512: bc4c63b48cd98c0cec9d10ecb43775b1bf1215241ff821fc7a866c7e2738605641fb88d044eabf2f48a8c16f2ced9ffce5165c9e6a83c73ece004350da7153e7

Summary:
Backport of core [[bitcoin/bitcoin#18029 | PR18029]].

The missing corpora change is not relevant for us.
The `netaddress.h` change was already done in D8200.

Test Plan:
  ninja bitcoin-fuzzers
  ./test/fuzz/test_runner.py <path_to_corpus>

Reviewers: #bitcoin_abc, PiRK

Reviewed By: PiRK

Differential Revision: https://reviews.bitcoinabc.org/D8216

4d2acea tests: Add fuzzer asmap to FUZZERS_MISSING_CORPORA (temporarily) (practicalswift)
8d07706 tests: Add fuzzing harness for AS-mapping (asmap) (practicalswift)

Pull request description:

  Add fuzzing harness for AS-mapping (`asmap`).

  To test this PR:

  ```
  $ make distclean
  $ ./autogen.sh
  $ CC=clang CXX=clang++ ./configure --enable-fuzz \
        --with-sanitizers=address,fuzzer,undefined
  $ make
  $ src/test/fuzz/asmap
  …
  ```

ACKs for top commit:
  MarcoFalke:
    ACK 4d2acea
  jonatack:
    ACK 4d2acea

Tree-SHA512: bc4c63b48cd98c0cec9d10ecb43775b1bf1215241ff821fc7a866c7e2738605641fb88d044eabf2f48a8c16f2ced9ffce5165c9e6a83c73ece004350da7153e7

16791f2 CMakeLists tests: add raw files generation. (furszy)
672d9a2 init: move asmap code earlier in init process (Jon Atack)
65cd143 net: extract conditional to bool CNetAddr::IsHeNet (Jon Atack)
2fc1f37 logging: asmap logging and #include fixups (Jon Atack)
0c9efb8 test: add functional test for an empty, unparsable asmap (Jon Atack)
6545656 config: separate the asmap finding and parsing checks (Jon Atack)
618b8d1 config: enable passing -asmap an absolute file path (Jon Atack)
8c7bdbe config: use default value in -asmap config (Jon Atack)
de39fab test: add feature_asmap functional tests (Jon Atack)
4290d3f Make asmap Interpret tolerant of malicious map data (Pieter Wuille)
e527e04 Use ASNs for mapped IPv4 addresses correctly (Pieter Wuille)
9a28bc0 Mark asmap const in statistics code (Pieter Wuille)
868a6ed Avoid asmap copies in initialization (Pieter Wuille)
cb698fb Add extra logging of asmap use and bucketing (Gleb Naumenko)
2fe5a05 Return mapped AS in RPC call getpeerinfo (Gleb Naumenko)
ce7aa15 scripted-diff: Replace NET_TOR with NET_ONION (wodry)
4c3ae7d Integrate ASN bucketing in Addrman and add tests (Gleb Naumenko)
718f1df CAddrManTest: remove redundant MakeDeterministic call. (furszy)
fd51941 Tests: address placement should be deterministic by default (René Nyffenegger)
8d01cbd  Add asmap utility which queries a mapping (Gleb Naumenko)
e986ed0 CAddrMan::Deserialize handle corrupt serializations better. (Patrick Strateman)
d2a8baf addrman.h: CAddrInfo inline members default values, plus several typos corrected. (furszy)
a7b9fd9 refactor: Use uint16_t instead of unsigned short (furszy)

Pull request description:

  Decoupled from #2411, built on top of #2479. Probably the last decouple from the "road to Tor" work.

  Focused on porting the ASN nodes bucketing functionality. The hearth of this work is bitcoin#16702.

  Providing an asmap file that contains the IP->ASN mapping, nodes will be bucketed by AS they belong to, in order to make impossible for a node to connect to several nodes hosted in a single AS.
  This is done in response to Erebus attack, but also to generally diversify the connections every node creates, especially useful when a large fraction of nodes operate under a couple of cloud providers.

  #### List of PRs:
  * bitcoin#7932
  * bitcoin#10765
  * bitcoin#13532
  * bitcoin#13575
  * bitcoin#16702
  * bitcoin#17812
  * bitcoin#18023
  * bitcoin#19314

  PRs for a follow up PR:
  * bitcoin#18029
  * bitcoin#18512

ACKs for top commit:
  random-zebra:
    re-utACK 16791f2
  Fuzzbawls:
    ACK 16791f2

Tree-SHA512: 1452af87d693526d3359822845bbd6211578b5c7c69d740d19c8c3ee25c66fd6e130f4421066a8f5384d62f65a2754423c633f90d7e3d809f4f1cc00c3c956ba