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integral type confusions
fa23c197509f692a815193acc1b50bad2fcbedfe univalue: Avoid narrowing and verbose int constructors (MacroFake)
fa3a9a1e8d9b6dffda772e97c279f3c0af6813f9 rpc: Select int-UniValue constructor for enum value in upgradewallet RPC (MacroFake)
Pull request description:
As UniValue provides several constructors for integral types, the
compiler is unable to select one if the passed type does not exactly
match. This is unintuitive for developers and forces them to write
verbose and brittle code. (Refer to `-Wnarrowing` compiler warning)
For example, there are many places where an unsigned int is cast to a
signed int. While the cast is safe in practice, it is still needlessly
verbose and confusing as the value can never be negative. In fact it
might even be unsafe if the unsigned value is large enough to map to a
negative signed one.
Fix this issue and other (minor) type issues.
ACKs for top commit:
aureleoules:
ACK fa23c197509f692a815193acc1b50bad2fcbedfe.
Tree-SHA512: 7d99b5b90c7d8eed2e3448167255a59e817dd6b8fcfc1b17c69ddefd0db33d1bf4344fbcd8b7f8685b58182c0f572ab9ffa99467afa666ac21843df7ea645033
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Can be reviewed with the git options
--color-moved=dimmed-zebra --color-moved-ws=ignore-all-space
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Having references to downstream no-longer make sense now that we've
unsubtree'd.
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As UniValue provides several constructors for integral types, the
compiler is unable to select one if the passed type does not exactly
match. This is unintuitive for developers and forces them to write
verbose and brittle code.
For example, there are many places where an unsigned int is cast to a
signed int. While the cast is safe in practice, it is still needlessly
verbose and confusing as the value can never be negative. In fact it
might even be unsafe if the unsigned value is large enough to map to a
negative signed one.
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Mostly changes to remove src/univalue exceptions from the various linters,
and the required code changes to make them happy. As well as minor doc
changes.
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Remove all the files we don't use.
This should not change behavior, or anything at all, as none of these
files are currently used in our build system.
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This merge commit bumps the univalue subtree and also updates the whitespace
for some failing tests.
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In order to avoid unintended implicit conversions.
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Fix https://github.com/bitcoin/bitcoin/issues/6558. In particular, stop
parsing JSON after the first object or array is finished. Check that no
other garbage follows, and fail the parser if it does.
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JSON makes no distinction between numbers and reals, and our code
doesn't need to do so either.
This removes VREAL, as well as its specific post-processing in
`UniValue::write`. Non-monetary amounts do not need to be forcibly
formatted with 8 decimals, so the extra roundtrip was unnecessary
(and potentially loses precision).
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Univalue's parsing of \u escape sequences did not handle NUL characters
correctly. They were, effectively, dropped. The extended test-case
fails with the old code, and is fixed with this patch.
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- implement find_value() function for UniValue
- replace all Array/Value/Object types with UniValues, remove JSON Spirit to UniValue wrapper
- remove JSON Spirit sources
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- avoid breaking the API because of different number/percision handling
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Simply add spaces to the existing string instead of using a
temporary.
Fixes #4756.
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No need to waste startup time building something that can be done
at compile time.
This also resolves a clang++ warning originally reported in #4714,
univalue/univalue_write.cpp:33:12: warning: array subscript is of type 'char
escapes['"'] = "\\"";
^~~~
etc.
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This is a simple utility that provides command line manipulation of
a hex-encoded TX. The utility takes a hex string on the command line
as input, performs zero or more mutations, and outputs a hex string
to standard output.
This utility is also an intentional exercise of the "bitcoin library"
concept. It is designed to require minimal libraries, and works
entirely without need for any RPC or P2P communication.
See "bitcoin-tx --help" for command and options summary.
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