> For the complete documentation index, see [llms.txt](https://sspwallet.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sspwallet.gitbook.io/docs/ssp-key-development/project-folders/tests/lib.md).

# lib

The following files are inside the lib folder

<div align="left"><figure><img src="https://2029399859-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FOLYjN2kelo3HWVPLgZVU%2Fuploads%2F0n0QbHT6dfXX8R6YGbVt%2Fimage.png?alt=media&amp;token=d60c428a-791f-4cb6-82f1-eaf33bca0ad1" alt="" width="203"><figcaption></figcaption></figure></div>

<table><thead><tr><th width="231">File Name</th><th>Description</th></tr></thead><tbody><tr><td>constructTx.test.ts</td><td>A test file being used for contructTx.ts</td></tr><tr><td>fcmHelper.test.skip.ts</td><td>A test file being used for fcmHelper.ts</td></tr><tr><td>transaction.ts</td><td>A test file being used for transactions.ts</td></tr><tr><td>wallet</td><td>A test file being used for wallet.ts</td></tr></tbody></table>