This macro is a helper for `impl_parse_str_from_int_infallible` used to
reduce code duplication. It does not, and should not, need to be part of
the public API - hide it.
We have a public macro `impl_parse_str_from_int_infallible` and a helper
macro used by it, both pubicly exported.
To assist readers understanding what is going on put the helper below
the other.
Code move only, no logic change.
Add all the pedantic lints to the repository by way of the repository
manifest. Then enable these lints in the `units` manifest.
Some things worth mentioning:
- Fix `needless_pass_by_value` by adding derives to `FormatOptions`.
- Fix lint `cast_lossless` using `cargo clippy --fix``
- While fixing `lint enum_glob_use` introduce a new style to the
codebase; import enums using a single character. Doing so prevents
namespace clashes, improves clarity, and maintains terseness.
Audit:
Use the following lints locally and audit all the warnings, they produce
many false positives so we can't enable them permentently.
- `cast_possible_truncation`
- `cast_possible_lint`
- `cast_sign_loss`
4cccbfdf76 units: Seal the Integer trait (Tobin C. Harding)
Pull request description:
This trait is an internal thing, users should never implement it.
ACKs for top commit:
sanket1729:
utACK 4cccbfdf76
apoelstra:
ACK 4cccbfdf7628442cc198f6399846ad4e98938494; successfully ran local tests
Tree-SHA512: f48e8ef96d15135990976c77e933ddc735dda577464548478526e37fff49bf453aaacf966967d98a0d5598588b531199627af8e353f845d4c7781f1e1d8de6db
As we do in `bitcoin` add a module for usage in macros to prevent naming
clashes if a module called `core` exists.
Overly paranoid yes but this is bitcoin after all.
There is a range of different wordings used in the docs of constructor
type functions.
Change all to start with `Constructs a new` or `Constructs an empty`.
In functions that act like constructors there is a mixture of the usage
of `creates` and `constructs`.
Replace all occurrences of `creates` with `constructs` in the first line
of docs of constructor like functions.
In an effort to reduce requirement for `alloc`; remove the `String` and
use `InputString` in the hex prefix related error types.
Tested with:
(Note in test code we have to use `"cafe".to_owned()` before this patch
is applied.)
rust```
#[test]
fn hex_prefix_errors() {
let err = hex_remove_prefix("cafe").unwrap_err();
std::println!("{}", err);
std::println!("{:?}", err);
let err = hex_check_unprefixed("0xcafe").unwrap_err();
std::println!("{}", err);
std::println!("{:?}", err);
}
```
Before:
hex string is missing a prefix (e.g. 0x): cafe
MissingPrefixError { hex: "cafe" }
hex string contains a prefix: 0xcafe
ContainsPrefixError { hex: "0xcafe" }
After:
failed to parse 'cafe' as hex because it is missing the '0x' prefix
MissingPrefixError { hex: InputString("cafe") }
failed to parse '0xcafe' as hex because it contains the '0x' prefix
ContainsPrefixError { hex: InputString("0xcafe") }
Currently the `ParseIntError` contains an owned copy of the input
string, this is causing us to have to use `alloc` everywhere.
We already have a alloc-friendly string replacement type, the
`InputString` - use it.
We have a special type for wrapping integer parsing errors, use it.
To test this I added the following tests:
#[test]
pub fn debug_absolute_error_conversion_height() {
let invalid_height = LOCK_TIME_THRESHOLD + 1;
let _ = Height::from_consensus(invalid_height).unwrap();
}
#[test]
pub fn debug_absolute_error_conversion_time() {
let invalid_time = LOCK_TIME_THRESHOLD - 1;
let _ = Time::from_consensus(invalid_time).unwrap();
}
#[test]
#[cfg(feature = "std")]
pub fn debug_absolute_error_conversion_height_string() {
let invalid_height = std::format!("{:x}", LOCK_TIME_THRESHOLD + 1);
let _ = Height::from_hex(&invalid_height).unwrap();
}
#[test]
#[cfg(feature = "std")]
pub fn debug_absolute_error_conversion_time_string() {
let invalid_time = std::format!("{:x}", LOCK_TIME_THRESHOLD - 1);
let _ = Time::from_hex(&invalid_time).unwrap();
}
#[test]
#[cfg(feature = "std")]
pub fn debug_absolute_error_height_invalid_hex_string() {
let _ = Height::from_hex("somerandomshit").unwrap();
}
#[test]
#[cfg(feature = "std")]
pub fn debug_absolute_error_time_invalid_hex_string() {
let _ = Time::from_hex("somerandomshit").unwrap();
}
Which resulted in the following output
Before:
---- locktime::absolute::tests::debug_absolute_error_conversion_height stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_conversion_height' panicked at units/src/locktime/absolute.rs:431:56:
called `Result::unwrap()` on an `Err` value: ConversionError { unit: Blocks, input: 500000001 }
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
---- locktime::absolute::tests::debug_absolute_error_conversion_height_string stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_conversion_height_string' panicked at units/src/locktime/absolute.rs:444:51:
called `Result::unwrap()` on an `Err` value: ParseHeightError(Conversion(500000001))
---- locktime::absolute::tests::debug_absolute_error_conversion_time stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_conversion_time' panicked at units/src/locktime/absolute.rs:437:52:
called `Result::unwrap()` on an `Err` value: ConversionError { unit: Seconds, input: 499999999 }
---- locktime::absolute::tests::debug_absolute_error_height_invalid_hex_string stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_height_invalid_hex_string' panicked at units/src/locktime/absolute.rs:457:52:
called `Result::unwrap()` on an `Err` value: ParseHeightError(InvalidInteger { source: ParseIntError { kind: InvalidDigit }, input: "somerandomshit" })
---- locktime::absolute::tests::debug_absolute_error_conversion_time_string stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_conversion_time_string' panicked at units/src/locktime/absolute.rs:451:47:
called `Result::unwrap()` on an `Err` value: ParseTimeError(Conversion(499999999))
---- locktime::absolute::tests::debug_absolute_error_time_invalid_hex_string stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_time_invalid_hex_string' panicked at units/src/locktime/absolute.rs:464:50:
called `Result::unwrap()` on an `Err` value: ParseTimeError(InvalidInteger { source: ParseIntError { kind: InvalidDigit }, input: "somerandomshit" })
After:
---- locktime::absolute::tests::debug_absolute_error_conversion_height stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_conversion_height' panicked at units/src/locktime/absolute.rs:432:56:
called `Result::unwrap()` on an `Err` value: ConversionError { unit: Blocks, input: 500000001 }
---- locktime::absolute::tests::debug_absolute_error_conversion_height_string stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_conversion_height_string' panicked at units/src/locktime/absolute.rs:445:51:
called `Result::unwrap()` on an `Err` value: ParseHeightError(Conversion(500000001))
---- locktime::absolute::tests::debug_absolute_error_conversion_time stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_conversion_time' panicked at units/src/locktime/absolute.rs:438:52:
called `Result::unwrap()` on an `Err` value: ConversionError { unit: Seconds, input: 499999999 }
---- locktime::absolute::tests::debug_absolute_error_conversion_time_string stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_conversion_time_string' panicked at units/src/locktime/absolute.rs:452:47:
called `Result::unwrap()` on an `Err` value: ParseTimeError(Conversion(499999999))
---- locktime::absolute::tests::debug_absolute_error_height_invalid_hex_string stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_height_invalid_hex_string' panicked at units/src/locktime/absolute.rs:458:52:
called `Result::unwrap()` on an `Err` value: ParseHeightError(ParseInt(ParseIntError { input: "somerandomshit", bits: 32, is_signed: false, source: ParseIntError { kind: InvalidDigit } }))
---- locktime::absolute::tests::debug_absolute_error_time_invalid_hex_string stdout ----
thread 'locktime::absolute::tests::debug_absolute_error_time_invalid_hex_string' panicked at units/src/locktime/absolute.rs:465:50:
called `Result::unwrap()` on an `Err` value: ParseTimeError(ParseInt(ParseIntError { input: "somerandomshit", bits: 32, is_signed: false, source: ParseIntError { kind: InvalidDigit } }))
Add to `units::parse` the complete suit of hex unit parsing functions:
- remove prefix
- assert without prefix
- parse with or without prefix
- parse with prefix
- parse without prefix
- parse prefix unchecked
Refactor `bitcoin` to use the exact function we need, removing code
duplication.
This is a breaking change to `units`, it does however keep the current
re-exports from the public, now empty, `bitcoin::error` module.
Move the `strip_hex_prefix` helper function to below where it is called.
Note that I was the original author of this helper so there is no excuse
for it being above - bad Tobin no biscuit.
When creating the ParseIntError in `hex_u32` I (Tobin) just cargo cult
programmed the generic stuff without thinking.
- The `is_signed` field is used to denote whether we were attempting to
parse a signed or unsigned integer, it should be `false`.
- The `bits` field should be directly set to 32.
Move the following unit types to the new `units` crate:
- `locktime::absolute::{Height, Time}`
- `locktime::relative::{Height, Time}`
- `FeeRate`
- `Weight`
Also move the `parse` module as well as constants as required.
Do minimal changes to get things building:
- Feature gate on "alloc" as needed.
- Remove rustdocs that use `bitcoin` types.
- Re-export units types so this is a non-breaking change.
- Fix import paths.
Tobin C. Harding
Fmt Bot
merge-script
Jamil Lambert, PhD