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README_dappnode.md

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Build dappnode package

Precondition

Install dappnode SDK if you don't have it already:

npm install -g @dappnode/dappnodesdk

Build package

You need to be connected to your DAppNode VPN to build the package.

dappnodesdk build --compose_file_name docker-compose_DAppNode.yml

Installation and running

Above build command will output a direct link to the package installation on your dappnode.

Limit ressource usage

By default the ArangoDB will use ~50% of the available system RAM. This can lead to conflicts with other packages running on your DAppNode. The RAM usage can be tuned by providing BN_ARANGO_EXTRA_OPTS to the Db package.

ExampleBN_ARANGO_EXTRA_OPTS:

--rocksdb.total-write-buffer-size 4000000000 --rocksdb.block-cache-size 5000000000 --rocksdb.enforce-block-cache-size-limit true

These options limit the RAM usage of ArangoDB to ~8 GB.

Update dappnode package

Versioning

The file dappnode_package.json contains two version entries:

version

The version field indicates the version of the dappnode package itself. Guidelines for updating it:

  • Update the minor number whenever there is a change in the upstream version, no matter if it was major, minor or patch update.
  • Update the patch number whenever the dappnode package itself is updated, but the upstream version stays unchanged
  • Update the major number when there was a signifcant change to the dappnode package itself

upstreamVersion

  • always has to be the same like the BrightID node version (See version entry in web_services/foxx/brightid/package.json)