Speculos Emulator for Ledger App
The Ledger is a Hardware Wallet which keeps your keys safe (encrypted stored in hardware). The software was written in C that runs on the ledger. And it is sometime hard to debug when things go wrong.
Fortunately, we can leverage the Speculous which is a emulator for ledger app: https://speculos.ledger.com/
- Clone the repo at https://github.com/LedgerHQ/speculos
- Install the dependencies (as in the doc: https://speculos.ledger.com/installation/build.html)
- Run ./speculos.py apps/btc.elf and you should see an emulator
- Then, by keyboard left, right and down arrows, press Q to exit.
- Visit localhost:5000 to see a web UI and we can send RESTful APIs to emulate the keys e.g. for automation and tests.
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