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Document maintainer: Daniel Main
Document status: Active

Daedalus

Build status Release

Daedalus - Cryptocurrency Wallet

Setup development environment

Linux/macOS

Yarn

Yarn is required to install npm dependencies to build Daedalus.

Nix

Nix is needed to run Daedalus in nix develop shell.

  1. Install nix: sh <(curl -L https://nixos.org/nix/install)

  2. Employ the signed IOHK binary cache:

    $ sudo mkdir -p /etc/nix
    $ sudo vi /etc/nix/nix.conf       # ..or any other editor, if you prefer

    and then add the following 4 settings are set to:

    substituters = https://cache.iog.io https://cache.nixos.org/
    
    trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
    
    experimental-features = nix-command flakes
    
    # If you are running on a Mac with Apple Silicon chip, but want to also build for Intel:
    extra-platforms = x86_64-darwin aarch64-darwin
    
  3. Run nix develop with a correct argument or by using existing package.json scripts to load a shell with all the correct versions of all the required dependencies for development, e.g.:

    • nix develop -L .#mainnet
    • … which is equivalent to yarn nix:mainnet

Notes:

If you get SSL error when running nix develop (SSL peer certificate or SSH remote key was not OK) try the next steps:

  1. Reinstall nix
    $ nix-env -e *
    $ curl -L https://nixos.org/nix/install | sh
  2. Download certificate from https://docs.certifytheweb.com/docs/kb/kb-202109-letsencrypt/ and import to your keychain.

Running Daedalus with Cardano Node

Selfnode
  1. Run yarn nix:selfnode from daedalus.
  2. Run yarn dev from the subsequent nix develop shell (use KEEP_LOCAL_CLUSTER_RUNNING environment variable to keep the local cluster running after Daedalus exits: KEEP_LOCAL_CLUSTER_RUNNING=true yarn dev)
  3. Once Daedalus has started and has gotten past the loading screen run the following commands from a new terminal window if you wish to import funded wallets:
  • Byron wallets: yarn byron:wallet:importer
  • Shelley wallets: yarn shelley:wallet:importer
  • Mary wallets: yarn mary:wallet:importer (all of which contain native tokens which are visible once selfnode enters Mary era)
  • Yoroi Byron wallets: yarn yoroi:wallet:importer
  • ITN Byron wallets: yarn itn:byron:wallet:importer [Deprecated]
  • ITN Shelley wallets: yarn itn:shelley:wallet:importer [Deprecated]

These scripts import 3 wallets by default. You can import up to 10 wallets by supplying WALLET_COUNT environment variable (e.g. WALLET_COUNT=10 yarn mary:wallet:importer).

List of all funded wallet recovery phrases can be found here: https://github.com/input-output-hk/daedalus/blob/develop/utils/api-importer/mnemonics.js

Notes:

  • Cardano wallet process ID shown on the "Diagnostics" screen is faked and expected to match the Cardano node process ID.
  • Stake pool metadata is fetched directly by default (IOHK SMASH server option is not available).
  • Token metadata is fetched from a mock token metadata server which is automatically ran alongside the local cluster (there is no need to run it manually)
  • Daedalus will ask you if you wish to keep the local cluster running after it exits - this option is useful if you need to preserve local cluster state between Daedalus restarts.
Parameter Value
slotLength 0.2 sec
epochLength 50 slots
desiredPoolNumber 3
minimumUtxoValue 1 ADA
Mainnet
  1. Run yarn nix:mainnet from daedalus.
  2. Run yarn dev from the subsequent shell
Flight
  1. Run yarn nix:flight from daedalus.
  2. Run yarn dev from the subsequent shell
Testnet
  1. Run yarn nix:testnet from daedalus.
  2. Run yarn dev from the subsequent shell
Native token metadata server

Daedalus, by default, uses the following metadata server for all networks except for the mainnet: https://metadata.cardano-testnet.iohkdev.io/.

It's also possible to use a mock server locally by running the following command in nix develop prior to starting Daedalus:

$ mock-token-metadata-server --port 65432 ./utils/cardano/native-tokens/registry.json
Mock metadata server running with url http://localhost:65432/

Then proceed to launch Daedalus and make sure to provide the mock token metadata server port:

$ MOCK_TOKEN_METADATA_SERVER_PORT=65432 yarn dev

This enables you to modify the metadata directly by modifying the registry file directly:

$ vi ./utils/cardano/native-tokens/registry.json        # ..or any other editor, if you prefer

Use the following command to check if the mock server is working correctly:

$ curl -i -H "Content-type: application/json" --data '{"subjects":["789ef8ae89617f34c07f7f6a12e4d65146f958c0bc15a97b4ff169f1"],"properties":["name","description","ticker","unit","logo"]}'
http://localhost:65432/metadata/query

... and expect a "200 OK" response.

Windows

This option is only for troubleshooting windows specific issues with hardware wallets. It is not recommended to use Windows as a developer environment. Most of the commands need nix and will run only on Linux or macOS.

Requisites

  • Windows 10/11
  • Daedalus testnet installation (similar version used in branch) in C:\Program Files\Daedalus Testnet
  • NodeJS 16
  • Python2
  • yarn global add windows-build-tools (if this does not work extract daedalus\nix\windows-usb-libs.zip under daedalus\build folder)
  • Microsoft Build Tools 2015
  • Microsoft Visual Studio 2017 (Include Desktop development with C++)
  • yarn config set msvsversion 2015 --global

Steps

  • yarn install
  • yarn dev:windows

Updating upstream dependencies (cardano-wallet, cardano-node)

Nix flake is used to manage the version of upstream dependencies. The versions of these dependencies can be seen in flake.nix.

Dependencies are updated in the inputs section of flake.nix followed with e.g.:

nix flake lock --update-input cardano-wallet-unpatched

Cardano Wallet Api documentation

Api documentation for edge cardano-wallet version: https://input-output-hk.github.io/cardano-wallet/api/edge/

Externals

If you use any 3rd party libraries which can't or won't be built with webpack, you must list them in your source/main/webpack.config.js and/or source/renderer/webpack.config.js

externals: [
  // put your node 3rd party libraries which can't be built with webpack here (mysql, mongodb, and so on..)
]

For a common example, to install Bootstrap, yarn install --save bootstrap and link them in the head of app.html

<link rel="stylesheet" href="../node_modules/bootstrap/dist/css/bootstrap.css" />
<link rel="image/svg+xml" href="../node_modules/bootstrap/dist/fonts/glyphicons-halflings-regular.eot" />
...

Make sure to list bootstrap in externals in webpack.config.base.js or the app won't include them in the package:

externals: ['bootstrap']

Debugging

You can debug the main process by following one of these approaches:

The inspector runs on port 9229

Linking with UI Libraries (e.g. React Polymorph)

You can link libraries with Daedalus using one of the following steps:

1) Using yalc

  1. Install yalc globally using yarn global add yalc.
  2. Run yalc publish from the library's root directory that you want to link with Daedalus.
  3. Switch to Daedalus and run yalc add <package-name> or preferably yalc link <package-name>.
  4. You should be able to start Daedalus and see the changes you are making locally in the library.
  5. To make sure your changes are reflected as you update code in the library, use yalc push.

2) Using yarn link

  1. From the Daedalus root directory, go to node_modules/react and yarn link.
  2. Navigate to the react-dom package in the same directory and run yarn link again.
  3. Go to the library's root directory and run yarn link, yarn link react and yarn link react-dom.
  4. Go back to the Daedalus root directory and run yarn link <package-name>.
  5. Finally, run yarn build:watch from the library's root directory.

Testing

You can find more details regarding tests setup within Running Daedalus acceptance tests README file.

Notes: Be aware that only a single Daedalus instance can run per state directory. So you have to exit any development instances before running tests!

Packaging

It is possible to build, and run just the Daedalus package, that would be bundled inside an installer, avoiding building of the installer.

Linux

Build:

nix build -L .#daedalus-mainnet

Run:

nix run -L .#daedalus-mainnet

macOS (Intel, and Apple Silicon)

Build:

nix build -L .#daedalus-mainnet

Run:

nix run -L .#daedalus-mainnet

If you want to run an Intel build from an Apple Silicon machine:

nix run -L .#packages.x86_64-darwin.daedalus-mainnet

Installers

Platform-specific build commands facilitate building Daedalus installers the way it is built by the IOHK CI:

These commands require Nix, optionally configured with the IOHK binary cache (recommended, see above).

Linux/macOS

Run this from a Linux machine:

nix build -L .#installer-mainnet

The result can be found at result/daedalus-*.bin.

Windows

Run this from a Linux machine (cross-building):

nix build -L .#installer-mainnet-x86_64-windows

The result will can be found at result/daedalus-*.exe.

macOS (Intel, and Apple Silicon)

Run this from a macOS machine:

nix build -L .#installer-mainnet

If you want to build an Intel version from an Apple Silicon machine:

nix build -L .#packages.x86_64-darwin.installer-mainnet

The result can be found at result/daedalus-*.pkg.