Parsing strings in teal local state

pheathwa · February 28, 2022, 10:37pm

I have saved a string in local state, which represents several distinct values, e.g.
“abc123|5010” where “|” is the delimiter and the 2 fields are variable in length.

I’d prefer to save the embedded values in a more structured way (e.g. as an Object) via app_local_put as usual, but failing that what would be best practice to extract (in Teal) those 2 values above, after doing the app_local_get ?

fabrice · February 28, 2022, 11:00pm

I would strongly recommend to store the values following the ABI conventions that have been designed for easy serialization/deserialization:

github.com

algorandfoundation/ARCs/blob/main/ARCs/arc-0004.md

---
arc: 4
title: Algorand Application Binary Interface (ABI)
status: Draft
---

# Algorand Transaction Calling Conventions

> This API is a draft.  Some elements may change.

## Summary

A standard for encoding contract call transactions to invoke methods
on an Algorand _Smart Contract_ (aka "stateful contract", "contract",
"application", or "app").

## Abstract

This document introduces conventions for encoding method calls,
including argument and return value encoding, in Algorand application

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Parsing strings in teal local state

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