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MarcoFalke c426e0dc6f
Merge bitcoin/bitcoin#22972: test: fix misleading fee unit in mempool_limit.py
2600db6c36 test: fix misleading fee unit in mempool_limit.py (Sebastian Falbesoner)

Pull request description:

  The PR is a follow-up to #22543. The helper `send_large_txs` in its current interface has a fee_rate parameter, implying that it would create a transaction with exactly that rate. Unfortunately, this fee rate is only passed to MiniWallet's `create_self_transfer` method, which can't know that we append several tx outputs after, increasing the tx's vsize and decreasing it's fee rate accordingly.

  In our case, the fee rate is off by several orders of magnitude, as the tx's vsize changes changes from 96 to 67552 vbytes (>700x), i.e. the value passed to this function is neither really a fee rate nor an absolute fee, but something in-between, which is very confusing. It was suggested to simply in-line this helper as it's currently only used in this single test (https://github.com/bitcoin/bitcoin/pull/22543#discussion_r701685136, https://github.com/bitcoin/bitcoin/pull/22543#issuecomment-918986896), but I could imagine that this helper may also become useful for other tests and may be moved to a library (e.g. wallet.py) in the future.

  Clarify the interface by passing an absolute fee that is deducted in the end (and also verified, via testmempoolaccept) and also describe how we come up with the value passed. On master, the comment says that the fee rate needs to increased "massively"; this word is also removed because the fee rate only needs to be higher for the test to succeed.

ACKs for top commit:
  stratospher:
    ACK 2600db6.

Tree-SHA512: 0bfacc3fa87603970d86c1d0186e51511f6c20c64b0559e19e7e12a68647f79dcb4f436000dee718fd832ce6a68e3bbacacb29145e0287811f1cb03d2f316843
2021-10-29 12:33:04 +02:00
.github doc: Remove label from good first issue template 2020-08-24 09:31:24 +02:00
.tx qt: Bump transifex slug for 22.x 2021-04-21 13:46:41 +02:00
build-aux/m4 Squashed 'src/univalue/' changes from 98fadc0909..a44caf65fe 2021-10-11 20:45:56 +08:00
build_msvc Merge bitcoin/bitcoin#23006: multiprocess: Add new bitcoin-gui, bitcoin-qt, bitcoin-wallet init implementations 2021-10-26 15:54:52 +01:00
ci ci: Disable syscall sandbox in valgrind functional tests 2021-10-20 21:06:10 +02:00
contrib Merge bitcoin/bitcoin#22646: build: tighter Univalue integration, remove --with-system-univalue 2021-10-20 11:01:38 +08:00
depends Merge bitcoin/bitcoin#22783: build: Cleanup depends build system 2021-10-19 15:51:41 +08:00
doc doc: Add note on deleting past-EOL release branches 2021-10-20 18:45:03 +02:00
share Remove -rescan startup parameter 2021-09-30 12:06:27 +13:00
src Merge bitcoin/bitcoin#22787: refactor: actual immutable pointing 2021-10-29 10:52:37 +02:00
test Merge bitcoin/bitcoin#22972: test: fix misleading fee unit in mempool_limit.py 2021-10-29 12:33:04 +02:00
.cirrus.yml ci: Add vcpkg tools cache 2021-10-22 14:33:04 +03:00
.editorconfig ci: Drop AppVeyor CI integration 2021-09-07 06:12:53 +03:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore build: add *~ to .gitignore 2021-05-12 18:10:47 +02:00
.python-version Bump minimum python version to 3.6 2020-11-09 17:53:47 +10:00
.style.yapf test: .style.yapf: Set column_limit=160 2019-03-04 18:28:13 -05:00
autogen.sh scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
configure.ac Merge bitcoin/bitcoin#23282: build: remove build stubs for external leveldb 2021-10-21 09:31:20 +08:00
CONTRIBUTING.md Enable TLS in links in documentation 2021-09-16 22:00:20 +00:00
COPYING doc: Update license year range to 2021 2020-12-30 16:24:47 +01:00
INSTALL.md doc: Added hyperlink for doc/build 2021-09-09 19:53:12 +05:30
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00
Makefile.am scripts: remove pixie.py 2021-10-12 08:36:21 +08:00
README.md doc: Rework internal and external links 2021-02-17 09:18:46 +01:00
REVIEWERS release: remove gitian 2021-08-31 09:37:23 +08:00
SECURITY.md doc: Remove explicit mention of version from SECURITY.md 2019-06-14 06:39:17 -04:00

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