> 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-wallet-development/project-folders/src/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%2FtDFTv5fgCHYUHfuQzZTJ%2Fimage.png?alt=media&amp;token=74f9a254-516f-4fee-8cfc-7cfde2949169" alt="" width="207"><figcaption></figcaption></figure></div>

<table><thead><tr><th width="231">File Name</th><th>Description</th></tr></thead><tbody><tr><td>balances.ts</td><td>A file that contains functionalities of balances</td></tr><tr><td>blockheight.ts</td><td>A file that contains functionalities of block height</td></tr><tr><td>contructTx.ts</td><td>A file that contains functionalities of utxo lib</td></tr><tr><td>currency.ts</td><td>A file that contains functionalities of fiat currencies</td></tr><tr><td>fingerprint.ts</td><td>A file that contains functionalities of canvas and fingerprint</td></tr><tr><td>networkFee.ts</td><td>A file that contains functionalities of network fee</td></tr><tr><td>nodes.ts</td><td>A file that contains functionalities of nodes</td></tr><tr><td>tokens.ts</td><td>A file that contains functionalities of tokens</td></tr><tr><td>transactions.ts</td><td>A file that contains functionalities of transactions</td></tr><tr><td>wallet.ts</td><td>A file that contains functionalities of wallet</td></tr></tbody></table>