Merge pull request #136 from dfinity/gabor/assert

Add an `assert` verifying that the subaccount blob has 32 bytes
dfinity · Jan 31, 2024 · 566935e · 566935e
2 parents d6234de + 0e6f288
commit 566935e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/motoko/ledger-transfer/src/ledger_transfer/Account.mo b/motoko/ledger-transfer/src/ledger_transfer/Account.mo
@@ -29,6 +29,7 @@ module {
     hash.write([0x0A]);
     hash.write(Blob.toArray(Text.encodeUtf8("account-id")));
     hash.write(Blob.toArray(Principal.toBlob(principal)));
+    assert subaccount.size() == 32;
     hash.write(Blob.toArray(subaccount));
     let hashSum = hash.sum();
     let crc32Bytes = beBytes(CRC32.ofArray(hashSum));