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Both SignedAmount and Amount now have the same range.  That is, MIN/MAX
of both SignedAmount and Amount are the same.  Therefore conversion
between the two can no longer fail due to a difference in range.  This
change removes this range check since it's obsolete.
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@yancyribbens
yancyribbens committed Dec 14, 2024
1 parent 834010d commit 1276cd8
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Showing 7 changed files with 22 additions and 46 deletions.
12 changes: 5 additions & 7 deletions api/units/all-features.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -202,12 +202,12 @@ impl core::convert::TryFrom<alloc::string::String> for bitcoin_units::locktime::
impl core::convert::TryFrom<alloc::string::String> for bitcoin_units::locktime::relative::Height
impl core::convert::TryFrom<alloc::string::String> for bitcoin_units::locktime::relative::Time
impl core::convert::TryFrom<alloc::string::String> for bitcoin_units::weight::Weight
impl core::convert::TryFrom<bitcoin_units::Amount> for bitcoin_units::SignedAmount
impl core::convert::TryFrom<bitcoin_units::SignedAmount> for bitcoin_units::Amount
impl core::convert::TryFrom<bitcoin_units::block::BlockHeight> for bitcoin_units::locktime::absolute::Height
impl core::convert::TryFrom<bitcoin_units::block::BlockInterval> for bitcoin_units::locktime::relative::Height
impl core::default::Default for bitcoin_units::Amount
impl core::default::Default for bitcoin_units::SignedAmount
impl core::default::Default for bitcoin_units::block::BlockInterval
impl core::default::Default for bitcoin_units::locktime::relative::Height
impl core::default::Default for bitcoin_units::locktime::relative::Time
impl core::error::Error for bitcoin_units::amount::error::InputTooLargeError
Expand Down Expand Up @@ -737,7 +737,6 @@ pub const fn bitcoin_units::weight::Weight::from_vb_unchecked(vb: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_vb_unwrap(vb: u64) -> bitcoin_units::weight::Weight
pub const fn bitcoin_units::weight::Weight::from_witness_data_size(witness_size: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_wu(wu: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_wu_usize(wu: usize) -> Self
pub const fn bitcoin_units::weight::Weight::to_kwu_floor(self) -> u64
pub const fn bitcoin_units::weight::Weight::to_vbytes_ceil(self) -> u64
pub const fn bitcoin_units::weight::Weight::to_vbytes_floor(self) -> u64
Expand Down Expand Up @@ -788,7 +787,7 @@ pub fn bitcoin_units::Amount::sum<I: core::iter::traits::iterator::Iterator<Item
pub fn bitcoin_units::Amount::sum<I>(iter: I) -> Self where I: core::iter::traits::iterator::Iterator<Item = &'a bitcoin_units::Amount>
pub fn bitcoin_units::Amount::to_btc(self) -> f64
pub fn bitcoin_units::Amount::to_float_in(self, denom: bitcoin_units::amount::Denomination) -> f64
pub fn bitcoin_units::Amount::to_signed(self) -> core::result::Result<bitcoin_units::SignedAmount, bitcoin_units::amount::error::OutOfRangeError>
pub fn bitcoin_units::Amount::to_signed(self) -> bitcoin_units::SignedAmount
pub fn bitcoin_units::Amount::to_string_in(self, denom: bitcoin_units::amount::Denomination) -> alloc::string::String
pub fn bitcoin_units::Amount::to_string_with_denomination(self, denom: bitcoin_units::amount::Denomination) -> alloc::string::String
pub fn bitcoin_units::Amount::try_from(value: bitcoin_units::SignedAmount) -> core::result::Result<Self, Self::Error>
Expand Down Expand Up @@ -843,7 +842,6 @@ pub fn bitcoin_units::SignedAmount::to_float_in(self, denom: bitcoin_units::amou
pub fn bitcoin_units::SignedAmount::to_string_in(self, denom: bitcoin_units::amount::Denomination) -> alloc::string::String
pub fn bitcoin_units::SignedAmount::to_string_with_denomination(self, denom: bitcoin_units::amount::Denomination) -> alloc::string::String
pub fn bitcoin_units::SignedAmount::to_unsigned(self) -> core::result::Result<bitcoin_units::Amount, bitcoin_units::amount::error::OutOfRangeError>
pub fn bitcoin_units::SignedAmount::try_from(value: bitcoin_units::Amount) -> core::result::Result<Self, Self::Error>
pub fn bitcoin_units::SignedAmount::type_prefix(_: private::Token) -> &'static str
pub fn bitcoin_units::SignedAmount::unchecked_add(self, rhs: bitcoin_units::SignedAmount) -> bitcoin_units::SignedAmount
pub fn bitcoin_units::SignedAmount::unchecked_sub(self, rhs: bitcoin_units::SignedAmount) -> bitcoin_units::SignedAmount
Expand Down Expand Up @@ -956,6 +954,7 @@ pub fn bitcoin_units::block::BlockInterval::add(self, rhs: bitcoin_units::block:
pub fn bitcoin_units::block::BlockInterval::add_assign(&mut self, rhs: bitcoin_units::block::BlockInterval)
pub fn bitcoin_units::block::BlockInterval::clone(&self) -> bitcoin_units::block::BlockInterval
pub fn bitcoin_units::block::BlockInterval::cmp(&self, other: &bitcoin_units::block::BlockInterval) -> core::cmp::Ordering
pub fn bitcoin_units::block::BlockInterval::default() -> bitcoin_units::block::BlockInterval
pub fn bitcoin_units::block::BlockInterval::deserialize<__D>(__deserializer: __D) -> core::result::Result<Self, <__D as serde::de::Deserializer>::Error> where __D: serde::de::Deserializer<'de>
pub fn bitcoin_units::block::BlockInterval::eq(&self, other: &bitcoin_units::block::BlockInterval) -> bool
pub fn bitcoin_units::block::BlockInterval::fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result
Expand Down Expand Up @@ -1191,17 +1190,16 @@ pub struct bitcoin_units::locktime::relative::TimeOverflowError
pub struct bitcoin_units::parse::PrefixedHexError(_)
pub struct bitcoin_units::parse::UnprefixedHexError(_)
pub struct bitcoin_units::weight::Weight(_)
pub trait bitcoin_units::amount::CheckedSum<R>: private::SumSeal<R>
pub trait bitcoin_units::amount::CheckedSum<R>: sealed::Sealed<R>
pub trait bitcoin_units::amount::serde::SerdeAmount: core::marker::Copy + core::marker::Sized
pub trait bitcoin_units::amount::serde::SerdeAmountForOpt: core::marker::Copy + core::marker::Sized + bitcoin_units::amount::serde::SerdeAmount
pub trait bitcoin_units::parse::Integer: core::str::traits::FromStr<Err = core::num::error::ParseIntError> + core::convert::TryFrom<i8> + core::marker::Sized
pub trait bitcoin_units::parse::Integer: core::str::traits::FromStr<Err = core::num::error::ParseIntError> + core::convert::TryFrom<i8> + core::marker::Sized + sealed::Sealed
pub type &bitcoin_units::fee_rate::FeeRate::Output = bitcoin_units::fee_rate::FeeRate
pub type bitcoin_units::Amount::Err = bitcoin_units::amount::error::ParseError
pub type bitcoin_units::Amount::Error = bitcoin_units::amount::error::OutOfRangeError
pub type bitcoin_units::Amount::Output = bitcoin_units::Amount
pub type bitcoin_units::Amount::Output = bitcoin_units::fee_rate::FeeRate
pub type bitcoin_units::SignedAmount::Err = bitcoin_units::amount::error::ParseError
pub type bitcoin_units::SignedAmount::Error = bitcoin_units::amount::error::OutOfRangeError
pub type bitcoin_units::SignedAmount::Output = bitcoin_units::SignedAmount
pub type bitcoin_units::amount::Denomination::Err = bitcoin_units::amount::error::ParseDenominationError
pub type bitcoin_units::block::BlockHeight::Err = bitcoin_units::parse::ParseIntError
Expand Down
12 changes: 5 additions & 7 deletions api/units/alloc-only.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -198,12 +198,12 @@ impl core::convert::TryFrom<alloc::string::String> for bitcoin_units::locktime::
impl core::convert::TryFrom<alloc::string::String> for bitcoin_units::locktime::relative::Height
impl core::convert::TryFrom<alloc::string::String> for bitcoin_units::locktime::relative::Time
impl core::convert::TryFrom<alloc::string::String> for bitcoin_units::weight::Weight
impl core::convert::TryFrom<bitcoin_units::Amount> for bitcoin_units::SignedAmount
impl core::convert::TryFrom<bitcoin_units::SignedAmount> for bitcoin_units::Amount
impl core::convert::TryFrom<bitcoin_units::block::BlockHeight> for bitcoin_units::locktime::absolute::Height
impl core::convert::TryFrom<bitcoin_units::block::BlockInterval> for bitcoin_units::locktime::relative::Height
impl core::default::Default for bitcoin_units::Amount
impl core::default::Default for bitcoin_units::SignedAmount
impl core::default::Default for bitcoin_units::block::BlockInterval
impl core::default::Default for bitcoin_units::locktime::relative::Height
impl core::default::Default for bitcoin_units::locktime::relative::Time
impl core::fmt::Debug for bitcoin_units::Amount
Expand Down Expand Up @@ -695,7 +695,6 @@ pub const fn bitcoin_units::weight::Weight::from_vb_unchecked(vb: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_vb_unwrap(vb: u64) -> bitcoin_units::weight::Weight
pub const fn bitcoin_units::weight::Weight::from_witness_data_size(witness_size: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_wu(wu: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_wu_usize(wu: usize) -> Self
pub const fn bitcoin_units::weight::Weight::to_kwu_floor(self) -> u64
pub const fn bitcoin_units::weight::Weight::to_vbytes_ceil(self) -> u64
pub const fn bitcoin_units::weight::Weight::to_vbytes_floor(self) -> u64
Expand Down Expand Up @@ -736,7 +735,7 @@ pub fn bitcoin_units::Amount::sum<I: core::iter::traits::iterator::Iterator<Item
pub fn bitcoin_units::Amount::sum<I>(iter: I) -> Self where I: core::iter::traits::iterator::Iterator<Item = &'a bitcoin_units::Amount>
pub fn bitcoin_units::Amount::to_btc(self) -> f64
pub fn bitcoin_units::Amount::to_float_in(self, denom: bitcoin_units::amount::Denomination) -> f64
pub fn bitcoin_units::Amount::to_signed(self) -> core::result::Result<bitcoin_units::SignedAmount, bitcoin_units::amount::error::OutOfRangeError>
pub fn bitcoin_units::Amount::to_signed(self) -> bitcoin_units::SignedAmount
pub fn bitcoin_units::Amount::to_string_in(self, denom: bitcoin_units::amount::Denomination) -> alloc::string::String
pub fn bitcoin_units::Amount::to_string_with_denomination(self, denom: bitcoin_units::amount::Denomination) -> alloc::string::String
pub fn bitcoin_units::Amount::try_from(value: bitcoin_units::SignedAmount) -> core::result::Result<Self, Self::Error>
Expand Down Expand Up @@ -780,7 +779,6 @@ pub fn bitcoin_units::SignedAmount::to_float_in(self, denom: bitcoin_units::amou
pub fn bitcoin_units::SignedAmount::to_string_in(self, denom: bitcoin_units::amount::Denomination) -> alloc::string::String
pub fn bitcoin_units::SignedAmount::to_string_with_denomination(self, denom: bitcoin_units::amount::Denomination) -> alloc::string::String
pub fn bitcoin_units::SignedAmount::to_unsigned(self) -> core::result::Result<bitcoin_units::Amount, bitcoin_units::amount::error::OutOfRangeError>
pub fn bitcoin_units::SignedAmount::try_from(value: bitcoin_units::Amount) -> core::result::Result<Self, Self::Error>
pub fn bitcoin_units::SignedAmount::unchecked_add(self, rhs: bitcoin_units::SignedAmount) -> bitcoin_units::SignedAmount
pub fn bitcoin_units::SignedAmount::unchecked_sub(self, rhs: bitcoin_units::SignedAmount) -> bitcoin_units::SignedAmount
pub fn bitcoin_units::SignedAmount::unsigned_abs(self) -> bitcoin_units::Amount
Expand Down Expand Up @@ -863,6 +861,7 @@ pub fn bitcoin_units::block::BlockInterval::add(self, rhs: bitcoin_units::block:
pub fn bitcoin_units::block::BlockInterval::add_assign(&mut self, rhs: bitcoin_units::block::BlockInterval)
pub fn bitcoin_units::block::BlockInterval::clone(&self) -> bitcoin_units::block::BlockInterval
pub fn bitcoin_units::block::BlockInterval::cmp(&self, other: &bitcoin_units::block::BlockInterval) -> core::cmp::Ordering
pub fn bitcoin_units::block::BlockInterval::default() -> bitcoin_units::block::BlockInterval
pub fn bitcoin_units::block::BlockInterval::eq(&self, other: &bitcoin_units::block::BlockInterval) -> bool
pub fn bitcoin_units::block::BlockInterval::fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result
pub fn bitcoin_units::block::BlockInterval::from(h: bitcoin_units::locktime::relative::Height) -> Self
Expand Down Expand Up @@ -1069,15 +1068,14 @@ pub struct bitcoin_units::locktime::relative::TimeOverflowError
pub struct bitcoin_units::parse::PrefixedHexError(_)
pub struct bitcoin_units::parse::UnprefixedHexError(_)
pub struct bitcoin_units::weight::Weight(_)
pub trait bitcoin_units::amount::CheckedSum<R>: private::SumSeal<R>
pub trait bitcoin_units::parse::Integer: core::str::traits::FromStr<Err = core::num::error::ParseIntError> + core::convert::TryFrom<i8> + core::marker::Sized
pub trait bitcoin_units::amount::CheckedSum<R>: sealed::Sealed<R>
pub trait bitcoin_units::parse::Integer: core::str::traits::FromStr<Err = core::num::error::ParseIntError> + core::convert::TryFrom<i8> + core::marker::Sized + sealed::Sealed
pub type &bitcoin_units::fee_rate::FeeRate::Output = bitcoin_units::fee_rate::FeeRate
pub type bitcoin_units::Amount::Err = bitcoin_units::amount::error::ParseError
pub type bitcoin_units::Amount::Error = bitcoin_units::amount::error::OutOfRangeError
pub type bitcoin_units::Amount::Output = bitcoin_units::Amount
pub type bitcoin_units::Amount::Output = bitcoin_units::fee_rate::FeeRate
pub type bitcoin_units::SignedAmount::Err = bitcoin_units::amount::error::ParseError
pub type bitcoin_units::SignedAmount::Error = bitcoin_units::amount::error::OutOfRangeError
pub type bitcoin_units::SignedAmount::Output = bitcoin_units::SignedAmount
pub type bitcoin_units::amount::Denomination::Err = bitcoin_units::amount::error::ParseDenominationError
pub type bitcoin_units::block::BlockHeight::Err = bitcoin_units::parse::ParseIntError
Expand Down
12 changes: 5 additions & 7 deletions api/units/no-features.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -182,12 +182,12 @@ impl core::convert::TryFrom<&str> for bitcoin_units::locktime::absolute::Time
impl core::convert::TryFrom<&str> for bitcoin_units::locktime::relative::Height
impl core::convert::TryFrom<&str> for bitcoin_units::locktime::relative::Time
impl core::convert::TryFrom<&str> for bitcoin_units::weight::Weight
impl core::convert::TryFrom<bitcoin_units::Amount> for bitcoin_units::SignedAmount
impl core::convert::TryFrom<bitcoin_units::SignedAmount> for bitcoin_units::Amount
impl core::convert::TryFrom<bitcoin_units::block::BlockHeight> for bitcoin_units::locktime::absolute::Height
impl core::convert::TryFrom<bitcoin_units::block::BlockInterval> for bitcoin_units::locktime::relative::Height
impl core::default::Default for bitcoin_units::Amount
impl core::default::Default for bitcoin_units::SignedAmount
impl core::default::Default for bitcoin_units::block::BlockInterval
impl core::default::Default for bitcoin_units::locktime::relative::Height
impl core::default::Default for bitcoin_units::locktime::relative::Time
impl core::fmt::Debug for bitcoin_units::Amount
Expand Down Expand Up @@ -677,7 +677,6 @@ pub const fn bitcoin_units::weight::Weight::from_vb_unchecked(vb: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_vb_unwrap(vb: u64) -> bitcoin_units::weight::Weight
pub const fn bitcoin_units::weight::Weight::from_witness_data_size(witness_size: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_wu(wu: u64) -> Self
pub const fn bitcoin_units::weight::Weight::from_wu_usize(wu: usize) -> Self
pub const fn bitcoin_units::weight::Weight::to_kwu_floor(self) -> u64
pub const fn bitcoin_units::weight::Weight::to_vbytes_ceil(self) -> u64
pub const fn bitcoin_units::weight::Weight::to_vbytes_floor(self) -> u64
Expand Down Expand Up @@ -714,7 +713,7 @@ pub fn bitcoin_units::Amount::sub(self, rhs: bitcoin_units::Amount) -> Self::Out
pub fn bitcoin_units::Amount::sub_assign(&mut self, other: bitcoin_units::Amount)
pub fn bitcoin_units::Amount::sum<I: core::iter::traits::iterator::Iterator<Item = Self>>(iter: I) -> Self
pub fn bitcoin_units::Amount::sum<I>(iter: I) -> Self where I: core::iter::traits::iterator::Iterator<Item = &'a bitcoin_units::Amount>
pub fn bitcoin_units::Amount::to_signed(self) -> core::result::Result<bitcoin_units::SignedAmount, bitcoin_units::amount::error::OutOfRangeError>
pub fn bitcoin_units::Amount::to_signed(self) -> bitcoin_units::SignedAmount
pub fn bitcoin_units::Amount::try_from(value: bitcoin_units::SignedAmount) -> core::result::Result<Self, Self::Error>
pub fn bitcoin_units::Amount::unchecked_add(self, rhs: bitcoin_units::Amount) -> bitcoin_units::Amount
pub fn bitcoin_units::Amount::unchecked_sub(self, rhs: bitcoin_units::Amount) -> bitcoin_units::Amount
Expand Down Expand Up @@ -750,7 +749,6 @@ pub fn bitcoin_units::SignedAmount::sub_assign(&mut self, other: bitcoin_units::
pub fn bitcoin_units::SignedAmount::sum<I: core::iter::traits::iterator::Iterator<Item = Self>>(iter: I) -> Self
pub fn bitcoin_units::SignedAmount::sum<I>(iter: I) -> Self where I: core::iter::traits::iterator::Iterator<Item = &'a bitcoin_units::SignedAmount>
pub fn bitcoin_units::SignedAmount::to_unsigned(self) -> core::result::Result<bitcoin_units::Amount, bitcoin_units::amount::error::OutOfRangeError>
pub fn bitcoin_units::SignedAmount::try_from(value: bitcoin_units::Amount) -> core::result::Result<Self, Self::Error>
pub fn bitcoin_units::SignedAmount::unchecked_add(self, rhs: bitcoin_units::SignedAmount) -> bitcoin_units::SignedAmount
pub fn bitcoin_units::SignedAmount::unchecked_sub(self, rhs: bitcoin_units::SignedAmount) -> bitcoin_units::SignedAmount
pub fn bitcoin_units::SignedAmount::unsigned_abs(self) -> bitcoin_units::Amount
Expand Down Expand Up @@ -831,6 +829,7 @@ pub fn bitcoin_units::block::BlockInterval::add(self, rhs: bitcoin_units::block:
pub fn bitcoin_units::block::BlockInterval::add_assign(&mut self, rhs: bitcoin_units::block::BlockInterval)
pub fn bitcoin_units::block::BlockInterval::clone(&self) -> bitcoin_units::block::BlockInterval
pub fn bitcoin_units::block::BlockInterval::cmp(&self, other: &bitcoin_units::block::BlockInterval) -> core::cmp::Ordering
pub fn bitcoin_units::block::BlockInterval::default() -> bitcoin_units::block::BlockInterval
pub fn bitcoin_units::block::BlockInterval::eq(&self, other: &bitcoin_units::block::BlockInterval) -> bool
pub fn bitcoin_units::block::BlockInterval::fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result
pub fn bitcoin_units::block::BlockInterval::from(h: bitcoin_units::locktime::relative::Height) -> Self
Expand Down Expand Up @@ -1023,15 +1022,14 @@ pub struct bitcoin_units::locktime::relative::TimeOverflowError
pub struct bitcoin_units::parse::PrefixedHexError(_)
pub struct bitcoin_units::parse::UnprefixedHexError(_)
pub struct bitcoin_units::weight::Weight(_)
pub trait bitcoin_units::amount::CheckedSum<R>: private::SumSeal<R>
pub trait bitcoin_units::parse::Integer: core::str::traits::FromStr<Err = core::num::error::ParseIntError> + core::convert::TryFrom<i8> + core::marker::Sized
pub trait bitcoin_units::amount::CheckedSum<R>: sealed::Sealed<R>
pub trait bitcoin_units::parse::Integer: core::str::traits::FromStr<Err = core::num::error::ParseIntError> + core::convert::TryFrom<i8> + core::marker::Sized + sealed::Sealed
pub type &bitcoin_units::fee_rate::FeeRate::Output = bitcoin_units::fee_rate::FeeRate
pub type bitcoin_units::Amount::Err = bitcoin_units::amount::error::ParseError
pub type bitcoin_units::Amount::Error = bitcoin_units::amount::error::OutOfRangeError
pub type bitcoin_units::Amount::Output = bitcoin_units::Amount
pub type bitcoin_units::Amount::Output = bitcoin_units::fee_rate::FeeRate
pub type bitcoin_units::SignedAmount::Err = bitcoin_units::amount::error::ParseError
pub type bitcoin_units::SignedAmount::Error = bitcoin_units::amount::error::OutOfRangeError
pub type bitcoin_units::SignedAmount::Output = bitcoin_units::SignedAmount
pub type bitcoin_units::amount::Denomination::Err = bitcoin_units::amount::error::ParseDenominationError
pub type bitcoin_units::block::BlockHeight::Err = bitcoin_units::parse::ParseIntError
Expand Down
6 changes: 3 additions & 3 deletions bitcoin/src/blockdata/transaction.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -790,8 +790,8 @@ pub fn effective_value(
value: Amount,
) -> Option<SignedAmount> {
let weight = satisfaction_weight.checked_add(TX_IN_BASE_WEIGHT)?;
let signed_input_fee = fee_rate.checked_mul_by_weight(weight)?.to_signed().ok()?;
value.to_signed().ok()?.checked_sub(signed_input_fee)
let signed_input_fee = fee_rate.checked_mul_by_weight(weight)?.to_signed();
value.to_signed().checked_sub(signed_input_fee)
}

/// Predicts the weight of a to-be-constructed transaction.
Expand Down Expand Up @@ -1673,7 +1673,7 @@ mod tests {

// 10 sat/kwu * (204wu + BASE_WEIGHT) = 4 sats
let expected_fee = "4 sats".parse::<SignedAmount>().unwrap();
let expected_effective_value = value.to_signed().unwrap() - expected_fee;
let expected_effective_value = value.to_signed() - expected_fee;
assert_eq!(effective_value, expected_effective_value);
}

Expand Down
6 changes: 0 additions & 6 deletions units/src/amount/signed.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -469,12 +469,6 @@ impl FromStr for SignedAmount {
}
}

impl TryFrom<Amount> for SignedAmount {
type Error = OutOfRangeError;

fn try_from(value: Amount) -> Result<Self, Self::Error> { value.to_signed() }
}

impl core::iter::Sum for SignedAmount {
fn sum<I: Iterator<Item = Self>>(iter: I) -> Self {
let sats: i64 = iter.map(|amt| amt.0).sum();
Expand Down
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