Create generic nimbus package

.github/CODEOWNERS

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+  *       @dappnode/package-mantainers

.github/workflows/auto_check.yml

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+name: Bump upstream version
+
+on:
+  schedule:
+    - cron: "00 */4 * * *"
+  push:
+    branches:
+      - "master"
+      - "main"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: npx @dappnode/dappnodesdk github-action bump-upstream
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PINATA_API_KEY: ${{ secrets.PINATA_API_KEY }}
+          PINATA_SECRET_API_KEY: ${{ secrets.PINATA_SECRET_API_KEY }}

.github/workflows/main.yml

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+name: "Main"
+on:
+  pull_request:
+  push:
+    branches:
+      - "master"
+      - "main"
+      - "v[0-9]+.[0-9]+.[0-9]+"
+    paths-ignore:
+      - "README.md"
+
+jobs:
+  build-test:
+    runs-on: ubuntu-latest
+    name: Build test
+    if: github.event_name != 'push'
+    steps:
+      - uses: actions/checkout@v4
+      - run: npx @dappnode/dappnodesdk build --variant mainnet --skip_save
+
+  # e2e-test:
+  #   runs-on: mainnet
+  #   needs: build-test
+  #   if: github.event_name != 'push'
+  #   name: End to end tests
+  #   steps:
+  #     - uses: actions/checkout@v3
+  #     - run: npx @dappnode/dappnodesdk@latest github-action test-end-to-end --errorLogsTimeout 120 --healthCheckUrl http://beacon-validator.nimbus.dappnode:4500/eth/v1/beacon/genesis --network mainnet --environmentByService="{\"beacon-validator\":{\"CHECKPOINT_SYNC_URL\":\"https://checkpoint-sync.dappnode.io\"}}"
+
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+    steps:
+      - uses: actions/checkout@v4
+      - name: Publish
+        run: npx @dappnode/dappnodesdk publish patch --dappnode_team_preset --all-variants
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          DEVELOPER_ADDRESS: "0xf35960302a07022aba880dffaec2fdd64d5bf1c1"

.gitignore

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+# DAppNodeSDK release directories
+build_*
+docker-compose-tmp.yml

GETTING_STARTED.md

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+## Welcome to the Merged Ethereum Mainnet Consensus Client: Nimbus
+
+- Your keystores should now managed in the [Staking Brain](http://brain.web3signer.dappnode) 
+- Don't have the Web3signer installed yet? It can be manually installed [here](http://my.dappnode/installer/my/web3signer.dnp.dappnode.eth)
+- All Staking management now has a new home in the comprehensive [StakersUI](http://my.dappnode/stakers/ethereum)

LICENSE

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README.md

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+# Nimbus Dappnode package
+
+**Nimbus ETH2.0 Beacon chain + validator**
+
+Nimbus is a client implementation for both the consensus layer (eth2) and execution layer (eth1) that strives to be as lightweight as possible in terms of resources used. This allows it to perform well on embedded systems, resource-restricted devices (including Raspberry Pis and mobile devices).
+
+However, resource-restricted hardware is not the only thing Nimbus is good for. Its low resource consumption makes it easy to run Nimbus together with other workloads on your server (this is especially valuable for stakers looking to lower the cost of their server instances).
+
+![avatar](avatar.png)

beacon-chain/Dockerfile

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+ARG UPSTREAM_VERSION
+
+FROM statusim/nimbus-eth2:multiarch-${UPSTREAM_VERSION}
+
+ARG NETWORK
+ARG STAKER_SCRIPTS_VERSION
+
+RUN apt-get update && apt-get install -y curl && apt-get clean
+
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+COPY jwtsecret.hex /jwtsecret
+
+ENV JWT_SECRET_FILE=/jwtsecret \
+    NETWORK=${NETWORK} \
+    VALIDATOR_PORT=3500 \
+    NIMBUS_BIN="/home/user/nimbus_beacon_node" \
+    DATA_DIR="/home/user/nimbus-eth2/build/data" \
+    TOKEN_FILE="${DATA_DIR}/auth-token" \
+    AUTH_TOKEN_PATH=${AUTH_TOKEN_PATH} \
+    STAKER_SCRIPTS_URL=https://github.com/dappnode/staker-package-scripts/releases/download/${STAKER_SCRIPTS_VERSION}
+
+ADD ${STAKER_SCRIPTS_URL}/consensus_tools.sh /etc/profile.d/
+
+RUN mkdir -p ${VALIDATORS_DIR}
+
+ENTRYPOINT [ "/usr/local/bin/entrypoint.sh" ]

beacon-chain/entrypoint.sh

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+#!/bin/sh
+
+SUPPORTED_NETWORKS="gnosis holesky mainnet"
+MEVBOOST_FLAGS="--payload-builder=true --payload-builder-url"
+
+handle_checkpoint() {
+    # Run checkpoint sync script if provided
+    if [ -n "${CHECKPOINT_SYNC_URL}" ]; then
+        echo "[INFO - entrypoint] Running checkpoint sync script"
+
+        ${NIMBUS_BIN} trustedNodeSync \
+            --network="${NETWORK}" \
+            --trusted-node-url="${CHECKPOINT_SYNC_URL}" \
+            --backfill=false \
+            --data-dir="${DATA_DIR}"
+    else
+        echo "[WARN - entrypoint] No checkpoint sync script provided. Syncing from genesis."
+    fi
+}
+
+run_beacon() {
+    echo "[INFO - entrypoint] Running beacon node service"
+
+    # shellcheck disable=SC2086
+    exec ${NIMBUS_BIN} \
+        --network="${NETWORK}" \
+        --data-dir="${DATA_DIR}" \
+        --tcp-port="${P2P_PORT}" \
+        --udp-port="${P2P_PORT}" \
+        --log-level="${LOG_TYPE}" \
+        --rest \
+        --rest-port=3500 \
+        --rest-address=0.0.0.0 \
+        --metrics \
+        --metrics-address=0.0.0.0 \
+        --metrics-port=8008 \
+        --jwt-secret=/jwtsecret \
+        --web3-url="${ENGINE_API_URL}" \
+        --suggested-fee-recipient="${FEE_RECIPIENT}" ${EXTRA_OPTS}
+}
+
+format_graffiti
+set_beacon_config_by_network "${SUPPORTED_NETWORKS}"
+handle_checkpoint
+set_mevboost_flag "${MEVBOOST_FLAGS}" # MEV-Boost: https://chainsafe.github.io/lodestar/usage/mev-integration/
+run_beacon

beacon-chain/jwtsecret.hex

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+7ad9cfdec75eceb662f5e48f5765701c17f51a5233a60fbcfa5f9e495fa99d17