feat: keyset v2 configuration #1592

Merged

thesimplekid merged 4 commits from keyset_v2_settings into main

2026-02-03 14:48:22 +00:00

thesimplekid commented

2026-02-02 16:35:44 +00:00

(Migrated from github.com)

Description

By default, the mint will use V2 (Version01) for new keysets but will preserve existing V1 (Version00) keysets to avoid unnecessary rotation. You can force a specific policy using config.toml or environment variables:

use_keyset_v2 = true (or CDK_MINTD_USE_KEYSET_V2=true): Forces V2. If the current active keyset is V1, it will be rotated to V2 on startup.
use_keyset_v2 = false (or CDK_MINTD_USE_KEYSET_V2=false): Forces V1. If the current active keyset is V2, it will be rotated to V1 on startup.
Unset (Default): Preserves the current keyset version. If no keyset exists, V2 is created.

Notes to the reviewers

Suggested CHANGELOG Updates

CHANGED

ADDED

REMOVED

FIXED

Checklist

I followed the code style guidelines
I ran just final-check before committing

### Description  ----- By default, the mint will use V2 (Version01) for *new* keysets but will preserve existing V1 (Version00) keysets to avoid unnecessary rotation. You can force a specific policy using `config.toml` or environment variables: - `use_keyset_v2 = true` (or `CDK_MINTD_USE_KEYSET_V2=true`): Forces V2. If the current active keyset is V1, it will be rotated to V2 on startup. - `use_keyset_v2 = false` (or `CDK_MINTD_USE_KEYSET_V2=false`): Forces V1. If the current active keyset is V2, it will be rotated to V1 on startup. - **Unset (Default)**: Preserves the current keyset version. If no keyset exists, V2 is created. ### Notes to the reviewers  ----- ### Suggested [CHANGELOG](https://github.com/cashubtc/cdk/blob/main/CHANGELOG.md) Updates  #### CHANGED #### ADDED #### REMOVED #### FIXED ---- ### Checklist * [ ] I followed the [code style guidelines](https://github.com/cashubtc/cdk/blob/main/CODE_STYLE.md) * [ ] I ran `just final-check` before committing

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