From 064021b7bf8defa416a8c38b5604b6fc0287dfa5 Mon Sep 17 00:00:00 2001 From: Deirdre Connolly Date: Fri, 25 Sep 2020 01:13:32 -0400 Subject: [PATCH] Update test vectors --- zebra-chain/src/sprout/tree.rs | 378 +++++++++++++++++++++++++++++---- 1 file changed, 336 insertions(+), 42 deletions(-) diff --git a/zebra-chain/src/sprout/tree.rs b/zebra-chain/src/sprout/tree.rs index aa8357980..4d9221f67 100644 --- a/zebra-chain/src/sprout/tree.rs +++ b/zebra-chain/src/sprout/tree.rs @@ -41,8 +41,6 @@ fn merkle_crh_sprout(left: [u8; 32], right: [u8; 32]) -> [u8; 32] { let mut derived_bytes = [0u8; 32]; LittleEndian::write_u32_into(&state, &mut derived_bytes); - println!("derived: {:?}", hex::encode(derived_bytes)); - derived_bytes } @@ -165,51 +163,347 @@ mod tests { use super::*; - // XXX: Computed these myself, not sure if they're correct. - // - // TODO: pull these in with bytes reversed: - // https://github.com/zcash/zcash/blob/master/src/test/data/merkle_roots.json - // or these? they're different: - // https://github.com/zcash/zcash/blob/master/src/zcash/IncrementalMerkleTree.cpp#L439 - const HEX_EMPTY_ROOTS: [&str; 30] = [ - "0000000000000000000000000000000000000000000000000000000000000000", - "1416a57ca83b5c422fdd54cee70a02c2d174e5b60f6d1398cc267eaea6e70bbf", - "8e595d8337af9321e04f70caea0eb95a87ecea7c8075e027ccf38d99995e9ccb", - "0ed30a29eb7464122b5a1497b9b9ac5e32c7b1e8b27cd3fcbf0addee5552a7dd", - "9830b6c3261a9a9af3e706234794e3daa20f7d09b2c185553e777169274758f7", - "949fe462a5bb6b35071f5c05f1b2d623c11bf8306816b24cb6c7efb5d96bf920", - "021174939ba7450ed5bf8694362205fdf85bfbe617d2ad4b7ef103e45eebdaa4", - "1b5db558fbe8b50aaef1be056a3f23980395635180c73ab1da8afa3329ef32c9", - "b77cae0af63b4a239c830ee116373523cb5008f1f3b03c6e7c346e5c8f97fa3d", - "86475c6708c9f1f5b4688b4c31723874e9d714890bb1b422519887c85c90b410", - "d7365f73b4d33b00ed3cd55dbb638dd7801ae5d7323e957a06b9a2691563e748", - "288049b23c01d1acf83a15e3fd1e19ec6cb4a550bc9e00305096a67e93dc001c", - "20258febd62395043264fd2d5bf0e849fe74f4ae49dd8765630e9cde200e37a2", - "2b9d0c9e7d8f5ca38175f2d40cd059a0dda76d7b0408ad27f6bec3d93ea2d0ce", - "89be2f7d2c0e7c487578aeb3c5434042edeb30f31727c7699c33a6662fae96bc", - "7d10d2153404df9762efa3c4796f67483a253577717a4bbefbef0b9c50a9283b", - "18c0d669ce9cf39b86e10a8c17f580faeca5894dee5f8c444bb7c7307bd94625", - "6855202bad86070cb0f1f8d69b0a757d365dfa57cd5f50e7003b470aa363a3f7", - "3bf276545ddb5660752b22dbacea87495ecd77bedac75452673a56b319090a67", - "9af95f9f3e6b2db4b159490b5c2e49b868b2c927cf3bedd7e787a635173e1195", - "508f30499fb8d6682b4a743f2aa2a0ea2d37b55d8033c888ff6ab543f0332430", - "9a16a3c6883170fee9d27f372b1dafb4c98911949e0e2cf8e748a56ff0bbc30c", - "a691f83055fa4ab4be344eb7455a20cd7a54dc84159869564f2622a6ea139d69", - "7e3ad117fb8cacf4d3cbb4416dda6bdc3a048cef02743dbee598a2c6593b2fd3", - "8e9a5f34f491326caa1e2ca6de200d39d5c8aabe8e07f022a81449aa49051f8a", - "a8bc7bfa549f88994f4a6b4dde74c1ceb9723f0da40ceab558a39640f6a503fc", - "be36d79c79d4968c1ddc81c6ed398e6c99f2490c2d0b915f63f83463be6c148b", - "eefb051a4ae623dec48e3368f4f877af771ae04b91011d4956bbc5bc03ae6260", - "fcb9aac1104f3cbcc4da853dd8bee0faf4b4d47079147dbaaf31530e077da089", - "25136bcbdfc1066ad6a942242ee0ae3ca3ccdc53b68d393f682734241622498d", + // From https://github.com/zcash/zcash/blob/master/src/zcash/IncrementalMerkleTree.cpp#L439 + const HEX_EMPTY_ROOTS: [[u8; 32]; 66] = [ + [ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + ], + [ + 0xda, 0x56, 0x98, 0xbe, 0x17, 0xb9, 0xb4, 0x69, 0x62, 0x33, 0x57, 0x99, 0x77, 0x9f, + 0xbe, 0xca, 0x8c, 0xe5, 0xd4, 0x91, 0xc0, 0xd2, 0x62, 0x43, 0xba, 0xfe, 0xf9, 0xea, + 0x18, 0x37, 0xa9, 0xd8, + ], + [ + 0xdc, 0x76, 0x6f, 0xab, 0x49, 0x2c, 0xcf, 0x3d, 0x1e, 0x49, 0xd4, 0xf3, 0x74, 0xb5, + 0x23, 0x5f, 0xa5, 0x65, 0x06, 0xaa, 0xc2, 0x22, 0x4d, 0x39, 0xf9, 0x43, 0xfc, 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0x3d, 0x3a, 0xd5, 0xfe, 0x33, 0x83, 0xf9, 0x3a, 0xb6, 0x06, 0x1f, + 0x2a, 0x11, 0xbb, 0x02, + ], ]; #[test] fn empty_roots() { for i in 0..EMPTY_ROOTS.len() { - println!("computed root: {:?}", hex::encode(EMPTY_ROOTS[i])); + println!("computed root: {:?}", hex::encode(EMPTY_ROOTS[i])); + println!("precomputed root: {:?}", hex::encode(HEX_EMPTY_ROOTS[i])); - // assert_eq!(hex::encode(EMPTY_ROOTS[i]), HEX_EMPTY_ROOTS[i]); + assert_eq!(EMPTY_ROOTS[i], HEX_EMPTY_ROOTS[i]); } } @@ -260,7 +554,7 @@ mod tests { for (i, cm) in commitments.iter().enumerate() { let mut bytes = [0u8; 32]; - hex::decode_to_slice(cm, &mut bytes); + let _ = hex::decode_to_slice(cm, &mut bytes); leaves.push(NoteCommitment::from(bytes)); let tree = NoteCommitmentTree::from(leaves.clone());