cl: split balance test
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06a085a295
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@ -30,33 +30,44 @@ impl Note {
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}
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#[test]
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fn test_note_balance() {
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// balances are blinded
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let a = Note::new(10, "NMO");
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assert_ne!(a.balance(12.into()), a.balance(8.into()));
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// balances are deterministic
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assert_eq!(a.balance(12.into()), a.balance(12.into()));
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// balances are be homomorphic
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let r = Scalar::from(32);
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let ten = Note::new(10, "NMO");
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let eight = Note::new(8, "NMO");
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let two = Note::new(2, "NMO");
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assert_eq!(ten.balance(r) - eight.balance(r), two.balance(r - r));
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assert_eq!(
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ten.balance(54.into()) - ten.balance(48.into()),
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Note::new(0, "NMO").balance(6.into())
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);
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// Unit's differentiate between values.
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let d = Note::new(10, "ETH");
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assert_ne!(a.balance(r), d.balance(r));
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fn test_balance_zero_unitless() {
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// Zero is the same across all units
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let r = Scalar::from(32);
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assert_eq!(
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Note::new(0, "NMO").balance(r),
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Note::new(0, "ETH").balance(r)
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);
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}
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#[test]
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fn test_balance_blinding() {
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// balances are blinded
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let r1 = Scalar::from(12);
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let r2 = Scalar::from(8);
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let a = Note::new(10, "NMO");
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assert_ne!(a.balance(r1), a.balance(r2));
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assert_eq!(a.balance(r1), a.balance(r1));
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}
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#[test]
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fn test_balance_units() {
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// Unit's differentiate between values.
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let nmo = Note::new(10, "NMO");
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let eth = Note::new(10, "ETH");
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let r = Scalar::from(1337);
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assert_ne!(nmo.balance(r), eth.balance(r));
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}
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#[test]
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fn test_balance_homomorphism() {
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let r = Scalar::from(32);
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let ten = Note::new(10, "NMO");
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let eight = Note::new(8, "NMO");
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let two = Note::new(2, "NMO");
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assert_eq!(ten.balance(r) - eight.balance(r), two.balance(0.into()));
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assert_eq!(
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ten.balance(54.into()) - ten.balance(48.into()),
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Note::new(0, "NMO").balance(6.into())
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);
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}
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