tradeparadex / code-samples

Collection of Paradex code samples and snippets
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code-samples

Collection of Paradex code samples, snippets and benchmarks

Examples

Benchmarks

Order signing benchmarks

On MacBook Pro 2021, M1 Pro

Go: 1430 signs/sec - Go `gnark-crypto`
Java: 182 signs/sec - JVM `StarknetCurve` (1)
Java: 8 signs/sec - C++ `crypto-cpp`
Python: 182 signs/sec - Rust `starknet-crypto-py`
Python: 8 signs/sec - C++ `crypto-cpp-py`
TypeScript: 50 signs/sec - JavaScript `starknet.js`

(1) Reference: java/paradex/StarknetCurve.groovy

Running on your machine

Examples and benchmarks for signing orders.

Python

To run it directly, you will need Python 3.9+.

cd python
python3.9 -m venv .venv && source .venv/bin/activate
pip install -r requirements.txt
python bench_order_sign.py

Go

cd go
go test -bench .

Java

cd java
groovy order.groovy bench

TypeScript

cd typescript
yarn run bench

Ethereum and Starknet Keys

Ethereum (L1) private key is used to sign a message. Generated signature is deterministic and can only be generated by the owner of the Ethereum private key.

This signature is then used to generate Starknet (L2) private key (also referred to as Paradex private key).

Starknet (L2) private key can used to deduce Starknet public key. L2 private key is also used to generate auth, onboarding and order signatures.

Auth endpoint also requires providing the Ethereum address which is derived from the Ethereum private key in examples of some languages.

During the onboarding process, an Account Contract is deployed on Starknet with the Starknet public key. This account contract address is used to identify token and perpetual balances on chain.

On UI, after connecting with your Ethereum wallet, you will be able to click on the truncated L2 address (top right) and view you L1 and L2 address. As well as copy the L2 private key to clipboard.

To get complete understanding of this, please refer to Onboarding & Wallets section in Paradex documentation.