unified::ivk::tests: Add unit tests for parsing UIVK.
This commit is contained in:
therealyingtong
Kris Nuttycombe
parent
7cd12f4ee2
commit
fc82523e31
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@ -149,3 +149,216 @@ impl SealedContainer for Uivk {
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Self(ivks)
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}
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}
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#[cfg(test)]
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mod tests {
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use assert_matches::assert_matches;
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use proptest::{
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array::{uniform14, uniform20, uniform32},
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prelude::*,
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};
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use super::{Ivk, ParseError, Typecode, Uivk};
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use crate::kind::unified::{private::SealedContainer, Encoding, Container};
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prop_compose! {
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fn uniform64()(a in uniform32(0u8..), b in uniform32(0u8..)) -> [u8; 64] {
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let mut c = [0; 64];
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c[..32].copy_from_slice(&a);
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c[32..].copy_from_slice(&b);
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c
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}
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}
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prop_compose! {
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fn uniform78()(a in uniform14(0u8..), b in uniform64()) -> [u8; 78] {
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let mut c = [0; 78];
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c[..14].copy_from_slice(&a);
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c[14..].copy_from_slice(&b);
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c
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}
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}
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fn arb_shielded_ivk() -> BoxedStrategy<Ivk> {
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prop_oneof![
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uniform64().prop_map(Ivk::Sapling),
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uniform64().prop_map(Ivk::Orchard),
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]
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.boxed()
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}
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fn arb_transparent_ivk() -> BoxedStrategy<Ivk> {
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prop_oneof![
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uniform78().prop_map(Ivk::P2pkh),
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uniform20(0u8..).prop_map(Ivk::P2sh),
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]
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.boxed()
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}
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prop_compose! {
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fn arb_unified_ivk()(
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shielded in prop::collection::hash_set(arb_shielded_ivk(), 1..2),
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transparent in prop::option::of(arb_transparent_ivk()),
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) -> Uivk {
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Uivk(shielded.into_iter().chain(transparent).collect())
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}
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}
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proptest! {
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#[test]
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fn uivk_roundtrip(
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hrp in prop_oneof![Uivk::MAINNET, Uivk::TESTNET, Uivk::REGTEST],
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uivk in arb_unified_ivk(),
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) {
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let bytes = uivk.to_bytes(&hrp);
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let decoded = Uivk::try_from_bytes(hrp.as_str(), &bytes[..]);
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prop_assert_eq!(decoded, Ok(uivk));
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}
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}
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#[test]
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fn padding() {
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// The test cases below use `Uivk(vec![Ivk::Orchard([1; 64])])` as base.
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// Invalid padding ([0xff; 16] instead of [b'u', 0x00, 0x00, 0x00...])
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let invalid_padding = vec![
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0xba, 0xbc, 0xc0, 0x71, 0xcd, 0x3b, 0xfd, 0x9a, 0x32, 0x19, 0x7e, 0xeb, 0x8a, 0xa7,
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0x6e, 0xd4, 0xac, 0xcb, 0x59, 0xc2, 0x54, 0x26, 0xc6, 0xab, 0x71, 0xc7, 0xc3, 0x72,
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0xc, 0xa9, 0xad, 0xa4, 0xad, 0x8c, 0x9e, 0x35, 0x7b, 0x4c, 0x5d, 0xc7, 0x66, 0x12,
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0x8a, 0xc5, 0x42, 0x89, 0xc1, 0x77, 0x32, 0xdc, 0xe8, 0x4b, 0x51, 0x31, 0x30, 0x3,
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0x20, 0xe3, 0xb6, 0x8c, 0xbb, 0xab, 0xe8, 0x89, 0xf8, 0xed, 0xac, 0x6d, 0x8e, 0xb1,
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0x83, 0xe8, 0x92, 0x18, 0x28, 0x70, 0x1e, 0x81, 0x76, 0x56, 0xb6, 0x15,
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];
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assert_eq!(
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Uivk::try_from_bytes(Uivk::MAINNET, &invalid_padding[..]),
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Err(ParseError::InvalidEncoding(
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"Invalid padding bytes".to_owned()
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))
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);
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// Short padding (padded to 15 bytes instead of 16)
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let truncated_padding = vec![
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0x96, 0x73, 0x6a, 0x56, 0xbc, 0x44, 0x38, 0xe2, 0x47, 0x41, 0x1c, 0x70, 0xe4, 0x6,
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0x87, 0xbe, 0xb6, 0x90, 0xbd, 0xab, 0x1b, 0xd8, 0x27, 0x10, 0x0, 0x21, 0x30, 0x2, 0x77,
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0x87, 0x0, 0x25, 0x96, 0x94, 0x8f, 0x1e, 0x39, 0xd2, 0xd8, 0x65, 0xb4, 0x3c, 0x72,
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0xd8, 0xac, 0xec, 0x5b, 0xa2, 0x18, 0x62, 0x3f, 0xb, 0x88, 0xb4, 0x41, 0xf1, 0x55,
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0x39, 0x53, 0xbf, 0x2a, 0xd6, 0xcf, 0xdd, 0x46, 0xb7, 0xd8, 0xc1, 0x39, 0x34, 0x4d,
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0xf9, 0x65, 0x49, 0x14, 0xab, 0x7c, 0x55, 0x7b, 0x39, 0x47,
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];
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assert_eq!(
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Uivk::try_from_bytes(Uivk::MAINNET, &truncated_padding[..]),
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Err(ParseError::InvalidEncoding(
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"Invalid padding bytes".to_owned()
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))
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);
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}
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#[test]
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fn truncated() {
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// The test cases below start from an encoding of
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// `Uivk(vec![Ivk::Orchard([1; 64]), Ivk::Sapling([2; 64])])`
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// with the ivk data truncated, but valid padding.
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// - Missing the last data byte of the Sapling ivk.
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let truncated_sapling_data = vec![
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0xce, 0xbc, 0xfe, 0xc5, 0xef, 0x2d, 0xe, 0x66, 0xc2, 0x8c, 0x34, 0xdc, 0x2e, 0x24,
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0xd2, 0xc7, 0x4b, 0xac, 0x36, 0xe0, 0x43, 0x72, 0xa7, 0x33, 0xa4, 0xe, 0xe0, 0x52,
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0x15, 0x64, 0x66, 0x92, 0x36, 0xa7, 0x60, 0x8e, 0x48, 0xe8, 0xb0, 0x30, 0x4d, 0xcb,
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0xd, 0x6f, 0x5, 0xd4, 0xb8, 0x72, 0x6a, 0xdc, 0x6c, 0x5c, 0xa, 0xf8, 0xdf, 0x95, 0x5a,
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0xba, 0xe1, 0xaa, 0x82, 0x51, 0xe2, 0x70, 0x8d, 0x13, 0x16, 0x88, 0x6a, 0xc0, 0xc1,
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0x99, 0x3c, 0xaf, 0x2c, 0x16, 0x54, 0x80, 0x7e, 0xb, 0xad, 0x31, 0x29, 0x26, 0xdd,
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0x7a, 0x55, 0x98, 0x1, 0x18, 0xb, 0x14, 0x94, 0xb2, 0x6b, 0x81, 0x67, 0x73, 0xa6, 0xd0,
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0x20, 0x94, 0x17, 0x3a, 0xf9, 0x98, 0x43, 0x58, 0xd6, 0x1, 0x10, 0x73, 0x32, 0xb4,
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0x99, 0xad, 0x6b, 0xfe, 0xc0, 0x97, 0xaf, 0xd2, 0xee, 0x8, 0xe5, 0x83, 0x6b, 0xb6,
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0xd9, 0x0, 0xef, 0x84, 0xff, 0xe8, 0x58, 0xba, 0xe8, 0x10, 0xea, 0x2d, 0xee, 0x72,
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0xf5, 0xd5, 0x8a, 0xb5, 0x1a,
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];
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assert_matches!(
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Uivk::try_from_bytes(Uivk::MAINNET, &truncated_sapling_data[..]),
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Err(ParseError::InvalidEncoding(_))
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);
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// - Truncated after the typecode of the Sapling ivk.
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let truncated_after_sapling_typecode = vec![
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0xf7, 0x3, 0xd8, 0xbe, 0x6a, 0x27, 0xfa, 0xa1, 0xd3, 0x11, 0xea, 0x25, 0x94, 0xe2, 0xb,
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0xde, 0xed, 0x6a, 0xaa, 0x8, 0x46, 0x7d, 0xe4, 0xb1, 0xe, 0xf1, 0xde, 0x61, 0xd7, 0x95,
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0xf7, 0x82, 0x62, 0x32, 0x7a, 0x73, 0x8c, 0x55, 0x93, 0xa1, 0x63, 0x75, 0xe2, 0xca,
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0xcb, 0x73, 0xd5, 0xe5, 0xa3, 0xbd, 0xb3, 0xf2, 0x26, 0xfa, 0x1c, 0xa2, 0xad, 0xb6,
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0xd8, 0x21, 0x5e, 0x8, 0xa, 0x82, 0x95, 0x21, 0x74,
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];
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assert_matches!(
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Uivk::try_from_bytes(Uivk::MAINNET, &truncated_after_sapling_typecode[..]),
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Err(ParseError::InvalidEncoding(_))
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);
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}
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#[test]
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fn duplicate_typecode() {
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// Construct and serialize an invalid UIVK.
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let uivk = Uivk(vec![Ivk::Sapling([1; 64]), Ivk::Sapling([2; 64])]);
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let encoded = uivk.to_bytes(Uivk::MAINNET);
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assert_eq!(
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Uivk::try_from_bytes(Uivk::MAINNET, &encoded[..]),
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Err(ParseError::DuplicateTypecode(Typecode::Sapling))
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);
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}
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#[test]
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fn p2pkh_and_p2sh() {
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// Construct and serialize an invalid UIVK.
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let uivk = Uivk(vec![Ivk::P2pkh([0; 78]), Ivk::P2sh([0; 20])]);
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let encoded = uivk.to_bytes(Uivk::MAINNET);
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assert_eq!(
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Uivk::try_from_bytes(Uivk::MAINNET, &encoded[..]),
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Err(ParseError::BothP2phkAndP2sh)
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);
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}
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#[test]
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fn only_transparent() {
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// Encoding of `Uivk(vec![Ivk::P2pkh([0; 78])])`.
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let encoded = vec![
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0xda, 0x41, 0xe7, 0x2b, 0xae, 0x1e, 0x95, 0x89, 0x0, 0xac, 0x28, 0x68, 0xb8, 0x50,
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0x71, 0x20, 0xa8, 0xfd, 0xdf, 0x29, 0x74, 0x3f, 0x34, 0x4f, 0xbc, 0x28, 0xe8, 0x29,
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0xe6, 0xee, 0x43, 0x74, 0xb, 0xea, 0x55, 0xd1, 0x58, 0xba, 0xb4, 0x71, 0x40, 0x6a,
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0x79, 0x91, 0xa4, 0x1e, 0x1e, 0x5f, 0xdf, 0x19, 0x42, 0xa3, 0xb0, 0x87, 0x8c, 0x3, 0x9,
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0xed, 0xc, 0x7a, 0x63, 0xa, 0x74, 0xbf, 0x30, 0xf5, 0xbb, 0xf2, 0x6f, 0xc, 0x89, 0xb2,
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0xf8, 0xda, 0xa1, 0xff, 0x84, 0xc2, 0xa, 0x89, 0x3, 0x8d, 0xf7, 0x0, 0x59, 0x63, 0xb1,
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0xfc, 0x13, 0x68, 0xc0, 0x32, 0x9a, 0x26, 0x10, 0x15,
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];
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assert_eq!(
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Uivk::try_from_bytes(Uivk::MAINNET, &encoded[..]),
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Err(ParseError::OnlyTransparent)
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);
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}
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#[test]
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fn ivks_are_sorted() {
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// Construct a UIVK with ivks in an unsorted order.
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let uivk = Uivk(vec![
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Ivk::P2pkh([0; 78]),
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Ivk::Orchard([0; 64]),
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Ivk::Unknown {
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typecode: 0xff,
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data: vec![],
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},
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Ivk::Sapling([0; 64]),
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]);
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// `Uivk::items` sorts the ivks in priority order.
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assert_eq!(
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uivk.items(),
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vec![
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Ivk::Orchard([0; 64]),
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Ivk::Sapling([0; 64]),
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Ivk::P2pkh([0; 78]),
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Ivk::Unknown {
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typecode: 0xff,
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data: vec![],
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},
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]
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)
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}
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}
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