🌱 Change SMT prefix for branch and leaf to avoid collision

LiskArchive · Jul 3, 2023 · 0140a0b · 0140a0b
1 parent b6b6cad
commit 0140a0b
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Showing 13 changed files with 408,964 additions and 1,188,736 deletions.
diff --git a/src/consts.rs b/src/consts.rs
@@ -6,9 +6,9 @@ pub const KEY_LENGTH: KeyLength = KeyLength(38);
 pub const SUBTREE_HEIGHT: SubtreeHeight = SubtreeHeight(SubtreeHeightKind::Four);
 
 /// PREFIX_LEAF_HASH is prefix for creating leaf node hash.
-pub static PREFIX_LEAF_HASH: &[u8] = &[0];
-/// PREFIX_LEAF_HASH is prefix for creating branch node hash.
-pub static PREFIX_BRANCH_HASH: &[u8] = &[1];
+pub static PREFIX_LEAF_HASH: &[u8] = "LSK_SMT_LEAF_".as_bytes();
+/// PREFIX_BRANCH_HASH is prefix for creating branch node hash.
+pub static PREFIX_BRANCH_HASH: &[u8] = "LSK_SMT_BRANCH_".as_bytes();
 /// PREFIX_EMPTY is prefix for creating empty node hash.
 pub static PREFIX_EMPTY: &[u8] = &[2];
 

diff --git a/src/sparse_merkle_tree/smt.rs b/src/sparse_merkle_tree/smt.rs
diff --git a/src/types.rs b/src/types.rs
@@ -449,8 +449,8 @@ mod tests {
         assert_eq!(
             hash,
             vec![
-                26, 55, 135, 4, 193, 125, 163, 30, 45, 5, 182, 209, 33, 194, 187, 44, 125, 118,
-                246, 238, 111, 168, 249, 131, 229, 150, 194, 208, 52, 150, 60, 87
+                13, 157, 251, 50, 147, 45, 246, 174, 239, 91, 126, 237, 131, 44, 249, 225, 119, 7,
+                82, 147, 24, 27, 96, 163, 25, 188, 216, 203, 38, 66, 203, 78
             ]
         );
     }

diff --git a/test/fixtures/fixtures_delete_non_inclusion_proof.json b/test/fixtures/fixtures_delete_non_inclusion_proof.json
diff --git a/test/fixtures/fixtures_no_delete_inclusion_proof.json b/test/fixtures/fixtures_no_delete_inclusion_proof.json
diff --git a/test/fixtures/invalid_proof.json b/test/fixtures/invalid_proof.json
diff --git a/test/fixtures/remove_extra_tree.json b/test/fixtures/remove_extra_tree.json
diff --git a/test/fixtures/remove_tree.json b/test/fixtures/remove_tree.json
diff --git a/test/fixtures/smt_fixtures.json b/test/fixtures/smt_fixtures.json