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Mithril client WASM breaking change

· One min read
Mithril Team

Breaking change introduced in the unstable features of the Mithril client WASM​

With the release of distribution 2437, we introduced a breaking change to the Mithril client WASM version 0.4.1. Unstable features are now activated using a configuration option instead of the .unstable property.

This change ensures a seamless transition when new unstable features become stable, eliminating breaking changes in developer code and enhancing the developer experience.

To activate unstable features, use the following code:

let client = new MithrilClient(aggregator_endpoint, genesis_verification_key, {
  // The following option activates the unstable features of the client.
  // Unstable features will trigger an error if this option is not set.
  unstable: true,
});

The previous client.unstable implementation is not supported anymore and must be replaced with client:

// Before
let mithril_stake_distributions_message =
  await client.unstable.compute_mithril_stake_distribution_message(
    last_stake_distribution,
  );
// After
let mithril_stake_distributions_message =
  await client.compute_mithril_stake_distribution_message(
    last_stake_distribution,
  );

The Mithril client WASM documentation is available here.

For questions or assistance, contact the team on the Discord channel.

Mithril client CLI 'snapshot' command is removed

· One min read
Mithril Team

The 'snapshot' command of the client CLI is removed​

With the release of the new distribution 2423, we have removed the snapshot command of the client CLI.

The snapshot command has been superseded by the cardano-db snapshot command.

The snapshot command has been deprecated with the release 2412, and this has been announced in this post.

In order to proceed to the upgrade, install the latest stable client CLI, and replace the removed command with the new command, e.g.:

mithril-client -vvv snapshot download latest --json

Should be replaced with

mithril-client -vvv cardano-db snapshot download latest --json

The documentation of the client CLI has been updated accordingly and can be found here.

For any inquiries or assistance, don't hesitate to reach out to the team on the Discord channel.

Mithril client CLI 'snapshot' command is deprecated

· One min read
Mithril Team

The 'snapshot' command of the client CLI is deprecated​

With the release of the new distribution 2412, we have deprecated the snapshot command of the client CLI.

The snapshot command has been superseded by the cardano-db snapshot command. In order to give time to our users to use the new command, the now legacy snapshot command is still available, but it will be removed in a near future.

In order to proceed to the upgrade, install the latest stable client CLI, and replace the legacy command with the new command, e.g.:

mithril-client -vvv snapshot download latest --json

Should be replaced with

mithril-client -vvv cardano-db snapshot download latest --json

For any inquiries or assistance, don't hesitate to reach out to the team on the Discord channel.

Mithril client CLI output breaking change

· 3 min read
Mithril Team

Breaking change introduced in the output of Mithril client CLI​

With the release of the new distribution 2408, we have introduced a breaking change to the Mithril client CLI version 0.7.0: all logs are now written to stderr instead of stdout. This allows for cleaner command results that you can directly pipe into tools like jq.

Below, the stdout output of mithril-client -vvv snapshot download latest --json command before the update:

{"timestamp": "2024-02-27T10:41:55.576645+00:00", "step_num": 1, "total_steps": 5, "message": "Checking local disk info…"}
{"timestamp": "2024-02-27T10:41:55.576932+00:00", "step_num": 2, "total_steps": 5, "message": "Fetching the certificate and verifying the certificate chain…"}
{"timestamp": "2024-02-27T10:41:55.847199+00:00", "step_num": 3, "total_steps": 5, "message": "Downloading and unpacking the snapshot…"}
{"timestamp": "2024-02-27T10:41:56.023585+00:00", "bytes_downloaded": 390, "bytes_total": 345223208, "seconds_left": 75797.765, "seconds_elapsed": 0.085}
{"timestamp": "2024-02-27T10:41:56.356820+00:00", "bytes_downloaded": 9487846, "bytes_total": 345223208, "seconds_left": 32.674, "seconds_elapsed": 0.418}
{"timestamp": "2024-02-27T10:41:56.690001+00:00", "bytes_downloaded": 21682030, "bytes_total": 345223208, "seconds_left": 18.209, "seconds_elapsed": 0.752}
{"timestamp": "2024-02-27T10:41:57.023923+00:00", "bytes_downloaded": 33795639, "bytes_total": 345223208, "seconds_left": 14.218, "seconds_elapsed": 1.085}
{"timestamp": "2024-02-27T10:41:57.356999+00:00", "bytes_downloaded": 45934938, "bytes_total": 345223208, "seconds_left": 12.204, "seconds_elapsed": 1.419}
{"timestamp": "2024-02-27T10:41:57.690031+00:00", "bytes_downloaded": 58130472, "bytes_total": 345223208, "seconds_left": 10.894, "seconds_elapsed": 1.752}
{"timestamp": "2024-02-27T10:41:58.023964+00:00", "bytes_downloaded": 70235494, "bytes_total": 345223208, "seconds_left": 9.922, "seconds_elapsed": 2.086}
{"timestamp": "2024-02-27T10:41:58.357817+00:00", "bytes_downloaded": 82456663, "bytes_total": 345223208, "seconds_left": 9.134, "seconds_elapsed": 2.419}
{"timestamp": "2024-02-27T10:41:58.690945+00:00", "bytes_downloaded": 94618128, "bytes_total": 345223208, "seconds_left": 8.463, "seconds_elapsed": 2.753}
{"timestamp": "2024-02-27T10:41:59.024599+00:00", "bytes_downloaded": 106765259, "bytes_total": 345223208, "seconds_left": 7.868, "seconds_elapsed": 3.086}
{"timestamp": "2024-02-27T10:41:59.358139+00:00", "bytes_downloaded": 118941687, "bytes_total": 345223208, "seconds_left": 7.325, "seconds_elapsed": 3.420}
{"timestamp": "2024-02-27T10:41:59.691176+00:00", "bytes_downloaded": 131052374, "bytes_total": 345223208, "seconds_left": 6.824, "seconds_elapsed": 3.753}
{"timestamp": "2024-02-27T10:42:00.025189+00:00", "bytes_downloaded": 143190076, "bytes_total": 345223208, "seconds_left": 6.351, "seconds_elapsed": 4.087}
{"timestamp": "2024-02-27T10:42:00.358735+00:00", "bytes_downloaded": 155448192, "bytes_total": 345223208, "seconds_left": 5.896, "seconds_elapsed": 4.420}
{"timestamp": "2024-02-27T10:42:00.693529+00:00", "bytes_downloaded": 167494850, "bytes_total": 345223208, "seconds_left": 5.466, "seconds_elapsed": 4.755}
{"timestamp": "2024-02-27T10:42:01.026885+00:00", "bytes_downloaded": 179789000, "bytes_total": 345223208, "seconds_left": 5.043, "seconds_elapsed": 5.088}
{"timestamp": "2024-02-27T10:42:01.360483+00:00", "bytes_downloaded": 187536751, "bytes_total": 345223208, "seconds_left": 4.778, "seconds_elapsed": 5.422}
{"timestamp": "2024-02-27T10:42:01.693978+00:00", "bytes_downloaded": 199737576, "bytes_total": 345223208, "seconds_left": 4.389, "seconds_elapsed": 5.756}
{"timestamp": "2024-02-27T10:42:02.027113+00:00", "bytes_downloaded": 211879712, "bytes_total": 345223208, "seconds_left": 4.006, "seconds_elapsed": 6.089}
{"timestamp": "2024-02-27T10:42:02.360139+00:00", "bytes_downloaded": 224033698, "bytes_total": 345223208, "seconds_left": 3.626, "seconds_elapsed": 6.422}
{"timestamp": "2024-02-27T10:42:02.694407+00:00", "bytes_downloaded": 236212871, "bytes_total": 345223208, "seconds_left": 3.249, "seconds_elapsed": 6.756}
{"timestamp": "2024-02-27T10:42:03.027431+00:00", "bytes_downloaded": 248301091, "bytes_total": 345223208, "seconds_left": 2.878, "seconds_elapsed": 7.089}
{"timestamp": "2024-02-27T10:42:03.361001+00:00", "bytes_downloaded": 260428703, "bytes_total": 345223208, "seconds_left": 2.509, "seconds_elapsed": 7.423}
{"timestamp": "2024-02-27T10:42:03.694430+00:00", "bytes_downloaded": 272673595, "bytes_total": 345223208, "seconds_left": 2.139, "seconds_elapsed": 7.756}
{"timestamp": "2024-02-27T10:42:04.028557+00:00", "bytes_downloaded": 284878102, "bytes_total": 345223208, "seconds_left": 1.774, "seconds_elapsed": 8.090}
{"timestamp": "2024-02-27T10:42:04.361686+00:00", "bytes_downloaded": 296835374, "bytes_total": 345223208, "seconds_left": 1.418, "seconds_elapsed": 8.423}
{"timestamp": "2024-02-27T10:42:04.695532+00:00", "bytes_downloaded": 309005759, "bytes_total": 345223208, "seconds_left": 1.058, "seconds_elapsed": 8.757}
{"timestamp": "2024-02-27T10:42:05.028705+00:00", "bytes_downloaded": 321118015, "bytes_total": 345223208, "seconds_left": 0.702, "seconds_elapsed": 9.090}
{"timestamp": "2024-02-27T10:42:05.361956+00:00", "bytes_downloaded": 333264477, "bytes_total": 345223208, "seconds_left": 0.347, "seconds_elapsed": 9.424}
{"timestamp": "2024-02-27T10:42:05.711065+00:00", "step_num": 4, "total_steps": 5, "message": "Computing the snapshot message"}
{"timestamp": "2024-02-27T10:42:12.540752+00:00", "step_num": 5, "total_steps": 5, "message": "Verifying the snapshot signature…"}
{"timestamp": "2024-02-27T10:42:12.540913+00:00", "db_directory": "/mithril-client-0.5.17/db"}

Now the stdout output with Mithril client CLI version 0.7.0:

{"timestamp": "2024-02-27T10:43:06.357962+00:00", "db_directory": "/mithril-client-0.7.0/db"}

In addition, the --log-format-json option that enable JSON output is now written to stderr as well.

For any inquiries or assistance, don't hesitate to reach out to the team on the Discord channel.