rust-bitcoin-unsafe-fast/units/tests/serde.rs

290 lines
9.2 KiB
Rust

// SPDX-License-Identifier: CC0-1.0
//! Test the `serde` implementations for types in `units`.
#![cfg(feature = "alloc")]
#![cfg(feature = "serde")]
use bincode::serialize;
use bitcoin_units::{
amount, fee_rate, Amount, BlockHeight, BlockInterval, FeeRate, SignedAmount, Weight,
};
use serde::{Deserialize, Serialize};
/// A struct that includes all the types that implement or support `serde` traits.
#[derive(Debug, Serialize, Deserialize)]
struct Serde {
#[serde(with = "amount::serde::as_sat")]
unsigned_as_sat: Amount,
#[serde(with = "amount::serde::as_btc")]
unsigned_as_btc: Amount,
#[serde(with = "amount::serde::as_sat::opt")]
unsigned_opt_as_sat: Option<Amount>,
#[serde(with = "amount::serde::as_btc::opt")]
unsigned_opt_as_btc: Option<Amount>,
#[serde(with = "amount::serde::as_sat")]
signed_as_sat: SignedAmount,
#[serde(with = "amount::serde::as_btc")]
signed_as_btc: SignedAmount,
#[serde(with = "amount::serde::as_sat::opt")]
signed_opt_as_sat: Option<SignedAmount>,
#[serde(with = "amount::serde::as_btc::opt")]
signed_opt_as_btc: Option<SignedAmount>,
#[serde(with = "fee_rate::serde::as_sat_per_vb_floor")]
vb_floor: FeeRate,
#[serde(with = "fee_rate::serde::as_sat_per_vb_ceil")]
vb_ceil: FeeRate,
#[serde(with = "fee_rate::serde::as_sat_per_kwu_floor")]
kwu: FeeRate,
#[serde(with = "fee_rate::serde::as_sat_per_vb_floor::opt")]
opt_vb_floor: Option<FeeRate>,
#[serde(with = "fee_rate::serde::as_sat_per_vb_ceil::opt")]
opt_vb_ceil: Option<FeeRate>,
#[serde(with = "fee_rate::serde::as_sat_per_kwu_floor::opt")]
opt_kwu: Option<FeeRate>,
a: BlockHeight,
b: BlockInterval,
c: Weight,
}
impl Serde {
/// Constructs an arbitrary instance.
fn new() -> Self {
Self {
unsigned_as_sat: Amount::MAX,
unsigned_as_btc: Amount::MAX,
unsigned_opt_as_sat: Some(Amount::MAX),
unsigned_opt_as_btc: Some(Amount::MAX),
signed_as_sat: SignedAmount::MAX,
signed_as_btc: SignedAmount::MAX,
signed_opt_as_sat: Some(SignedAmount::MAX),
signed_opt_as_btc: Some(SignedAmount::MAX),
vb_floor: FeeRate::BROADCAST_MIN,
vb_ceil: FeeRate::BROADCAST_MIN,
kwu: FeeRate::BROADCAST_MIN,
opt_vb_floor: Some(FeeRate::BROADCAST_MIN),
opt_vb_ceil: Some(FeeRate::BROADCAST_MIN),
opt_kwu: Some(FeeRate::BROADCAST_MIN),
a: BlockHeight::MAX,
b: BlockInterval::MAX,
c: Weight::MAX,
}
}
}
#[test]
fn serde_regression() {
let t = Serde::new();
let got = serialize(&t).unwrap();
let want = include_bytes!("data/serde_bincode");
assert_eq!(got, want);
}
#[track_caller]
fn sat(sat: u64) -> Amount { Amount::from_sat(sat).unwrap() }
#[track_caller]
fn ssat(ssat: i64) -> SignedAmount { SignedAmount::from_sat(ssat).unwrap() }
#[cfg(feature = "serde")]
#[test]
fn serde_as_sat() {
#[derive(Serialize, Deserialize, PartialEq, Debug)]
struct T {
#[serde(with = "crate::amount::serde::as_sat")]
pub amt: Amount,
#[serde(with = "crate::amount::serde::as_sat")]
pub samt: SignedAmount,
}
serde_test::assert_tokens(
&T { amt: sat(123_456_789), samt: ssat(-123_456_789) },
&[
serde_test::Token::Struct { name: "T", len: 2 },
serde_test::Token::Str("amt"),
serde_test::Token::U64(123_456_789),
serde_test::Token::Str("samt"),
serde_test::Token::I64(-123_456_789),
serde_test::Token::StructEnd,
],
);
}
#[cfg(feature = "serde")]
#[cfg(feature = "alloc")]
#[test]
#[allow(clippy::inconsistent_digit_grouping)] // Group to show 100,000,000 sats per bitcoin.
fn serde_as_btc() {
use serde_json;
#[derive(Serialize, Deserialize, PartialEq, Debug)]
struct T {
#[serde(with = "crate::amount::serde::as_btc")]
pub amt: Amount,
#[serde(with = "crate::amount::serde::as_btc")]
pub samt: SignedAmount,
}
let orig = T { amt: sat(20_000_000__000_000_01), samt: ssat(-20_000_000__000_000_01) };
let json = "{\"amt\": 20000000.00000001, \
\"samt\": -20000000.00000001}";
let t: T = serde_json::from_str(json).unwrap();
assert_eq!(t, orig);
let value: serde_json::Value = serde_json::from_str(json).unwrap();
assert_eq!(t, serde_json::from_value(value).unwrap());
}
#[cfg(feature = "serde")]
#[cfg(feature = "alloc")]
#[test]
fn serde_as_str() {
#[derive(Serialize, Deserialize, PartialEq, Debug)]
struct T {
#[serde(with = "crate::amount::serde::as_str")]
pub amt: Amount,
#[serde(with = "crate::amount::serde::as_str")]
pub samt: SignedAmount,
}
serde_test::assert_tokens(
&T { amt: sat(123_456_789), samt: ssat(-123_456_789) },
&[
serde_test::Token::Struct { name: "T", len: 2 },
serde_test::Token::String("amt"),
serde_test::Token::String("1.23456789"),
serde_test::Token::String("samt"),
serde_test::Token::String("-1.23456789"),
serde_test::Token::StructEnd,
],
);
}
#[cfg(feature = "serde")]
#[cfg(feature = "alloc")]
#[test]
#[allow(clippy::inconsistent_digit_grouping)] // Group to show 100,000,000 sats per bitcoin.
fn serde_as_btc_opt() {
use serde_json;
#[derive(Serialize, Deserialize, PartialEq, Debug, Eq)]
struct T {
#[serde(default, with = "crate::amount::serde::as_btc::opt")]
pub amt: Option<Amount>,
#[serde(default, with = "crate::amount::serde::as_btc::opt")]
pub samt: Option<SignedAmount>,
}
let with = T { amt: Some(sat(2_500_000_00)), samt: Some(ssat(-2_500_000_00)) };
let without = T { amt: None, samt: None };
// Test Roundtripping
for s in [&with, &without] {
let v = serde_json::to_string(s).unwrap();
let w: T = serde_json::from_str(&v).unwrap();
assert_eq!(w, *s);
}
let t: T = serde_json::from_str("{\"amt\": 2.5, \"samt\": -2.5}").unwrap();
assert_eq!(t, with);
let t: T = serde_json::from_str("{}").unwrap();
assert_eq!(t, without);
let value_with: serde_json::Value =
serde_json::from_str("{\"amt\": 2.5, \"samt\": -2.5}").unwrap();
assert_eq!(with, serde_json::from_value(value_with).unwrap());
let value_without: serde_json::Value = serde_json::from_str("{}").unwrap();
assert_eq!(without, serde_json::from_value(value_without).unwrap());
}
#[cfg(feature = "serde")]
#[cfg(feature = "alloc")]
#[test]
#[allow(clippy::inconsistent_digit_grouping)] // Group to show 100,000,000 sats per bitcoin.
fn serde_as_sat_opt() {
use serde_json;
#[derive(Serialize, Deserialize, PartialEq, Debug, Eq)]
struct T {
#[serde(default, with = "crate::amount::serde::as_sat::opt")]
pub amt: Option<Amount>,
#[serde(default, with = "crate::amount::serde::as_sat::opt")]
pub samt: Option<SignedAmount>,
}
let with = T { amt: Some(sat(2_500_000_00)), samt: Some(ssat(-2_500_000_00)) };
let without = T { amt: None, samt: None };
// Test Roundtripping
for s in [&with, &without] {
let v = serde_json::to_string(s).unwrap();
let w: T = serde_json::from_str(&v).unwrap();
assert_eq!(w, *s);
}
let t: T = serde_json::from_str("{\"amt\": 250000000, \"samt\": -250000000}").unwrap();
assert_eq!(t, with);
let t: T = serde_json::from_str("{}").unwrap();
assert_eq!(t, without);
let value_with: serde_json::Value =
serde_json::from_str("{\"amt\": 250000000, \"samt\": -250000000}").unwrap();
assert_eq!(with, serde_json::from_value(value_with).unwrap());
let value_without: serde_json::Value = serde_json::from_str("{}").unwrap();
assert_eq!(without, serde_json::from_value(value_without).unwrap());
}
#[cfg(feature = "serde")]
#[cfg(feature = "alloc")]
#[test]
#[allow(clippy::inconsistent_digit_grouping)] // Group to show 100,000,000 sats per bitcoin.
fn serde_as_str_opt() {
use serde_json;
#[derive(Serialize, Deserialize, PartialEq, Debug, Eq)]
struct T {
#[serde(default, with = "crate::amount::serde::as_str::opt")]
pub amt: Option<Amount>,
#[serde(default, with = "crate::amount::serde::as_str::opt")]
pub samt: Option<SignedAmount>,
}
let with = T { amt: Some(sat(123_456_789)), samt: Some(ssat(-123_456_789)) };
let without = T { amt: None, samt: None };
// Test Roundtripping
for s in [&with, &without] {
let v = serde_json::to_string(s).unwrap();
let w: T = serde_json::from_str(&v).unwrap();
assert_eq!(w, *s);
}
let t: T =
serde_json::from_str("{\"amt\": \"1.23456789\", \"samt\": \"-1.23456789\"}").unwrap();
assert_eq!(t, with);
let t: T = serde_json::from_str("{}").unwrap();
assert_eq!(t, without);
let value_with: serde_json::Value =
serde_json::from_str("{\"amt\": \"1.23456789\", \"samt\": \"-1.23456789\"}").unwrap();
assert_eq!(with, serde_json::from_value(value_with).unwrap());
let value_without: serde_json::Value = serde_json::from_str("{}").unwrap();
assert_eq!(without, serde_json::from_value(value_without).unwrap());
}