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| name: Docker Build and Push | ||
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| description: Build and push Docker images | ||
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| inputs: | ||
| context: | ||
| description: 'The build context' | ||
| required: false | ||
| default: '.' | ||
| dockerHubPassword: | ||
| description: 'Docker Hub token' | ||
| required: true | ||
| dockerHubUsername: | ||
| description: 'Docker Hub username' | ||
| required: true | ||
| images: | ||
| description: 'The Docker image name' | ||
| required: true | ||
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| runs: | ||
| using: composite | ||
| steps: | ||
| - uses: docker/setup-buildx-action@v3 | ||
| - id: meta | ||
| uses: docker/metadata-action@v5 | ||
| with: | ||
| images: ${{ inputs.images }} | ||
| - uses: docker/login-action@v3 | ||
| with: | ||
| password: ${{ inputs.dockerHubPassword }} | ||
| username: ${{ inputs.dockerHubUsername }} | ||
| - uses: docker/build-push-action@v6 | ||
| with: | ||
| context: ${{ inputs.context }} | ||
| labels: ${{ steps.meta.outputs.labels }} | ||
| platforms: linux/amd64 | ||
| push: true | ||
| tags: ${{ steps.meta.outputs.tags }} |
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| name: Publish Docker images | ||
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| on: | ||
| push: | ||
| branches: | ||
| - main | ||
| paths: | ||
| - 'staking-points/**' | ||
| - 'token-prices/**' | ||
| workflow_dispatch: | ||
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| jobs: | ||
| build-and-push: | ||
| runs-on: ubuntu-latest | ||
| strategy: | ||
| matrix: | ||
| include: | ||
| - context: staking-points | ||
| image: hemilabs/staking-points-api | ||
| - context: token-prices/api | ||
| image: hemilabs/token-prices-api | ||
| - context: token-prices/cron | ||
| image: hemilabs/token-prices-cron | ||
| steps: | ||
| - uses: actions/checkout@v4 | ||
| - uses: ./.github/actions/docker-build-push | ||
| with: | ||
| context: ${{ matrix.context }} | ||
| dockerHubPassword: ${{ secrets.DOCKERHUB_TOKEN }} | ||
| dockerHubUsername: ${{ secrets.DOCKERHUB_USERNAME }} | ||
| images: ${{ matrix.image }} |
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| FROM node:20.18.3-alpine | ||
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| ENV NODE_ENV=production | ||
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| WORKDIR /app | ||
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| COPY package*.json . | ||
| RUN npm install --production | ||
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| USER node | ||
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| COPY . . | ||
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| EXPOSE 3002 | ||
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| CMD ["npm", "start"] |
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| # Staking Points API | ||
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| This service provides the amount of points any user has earned through the Hemi Staking Campaign. | ||
| Data is provided by [Absinthe](https://absinthe.network/). | ||
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| ## Configuration | ||
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| These environment variables control how the API works: | ||
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| | Variable | Description | Default | | ||
| | ---------------- | --------------------------------------------------------------- | ------------------------------------------ | | ||
| | ABSINTHE_API_KEY | The JWT used to authenticate to the Absinthe GraphQL API. | | | ||
| | ABSINTHE_API_URL | The Absinthe GraphQL API URL. | `https://gql3.absinthe.network/v1/graphql` | | ||
| | ORIGINS | Comma-separated list of allowed origins. '\*' is not supported. | `http://localhos:3000` | | ||
| | PORT | The HTTP port the server listens for requests. | 3002 | | ||
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| ## Local development and testing | ||
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| To start the service, run: | ||
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| ```sh | ||
| ABSINTHE_API_KEY=MY_API_KEY docker compose up -d | ||
| ``` | ||
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| Alternatively, if the environment variables are stored in a `.env.local` file, run: | ||
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| ```sh | ||
| docker build --tag staking-points-api:local . | ||
| docker run --env-file .env.local --init --interactive --publish 3002:3002 --rm --tty staking-points-api:local | ||
| ``` | ||
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| Then the points for a user can be obtained as follows: | ||
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| ```console | ||
| $ curl http://localhost:3002/0x85e0D9e73c12eFE889750f44422a77B544D48d17 | ||
| {"points":270644} | ||
| ``` |
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| { | ||
| "engines": { | ||
| "node": ">=20" | ||
| } | ||
| } |
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| 'use strict' | ||
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| const http = require('http') | ||
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| const absintheApiKey = process.env.ABSINTHE_API_KEY | ||
| const absintheApiUrl = | ||
| process.env.ABSINTHE_API_URL || 'https://gql3.absinthe.network/v1/graphql' | ||
| const portStr = process.env.PORT || '3002' | ||
| const port = parseInt(portStr) | ||
| const originsStr = process.env.ORIGINS || 'http://localhost:3000' | ||
| const origins = originsStr.split(',') | ||
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| async function getUserPoints(address) { | ||
| const res = await fetch(absintheApiUrl, { | ||
| body: JSON.stringify({ | ||
| query: `query ($address: String!) { | ||
| query_address_points(args: { address: $address, client_season: "hemi" }) { | ||
| points | ||
| } | ||
| }`, | ||
| variables: { address }, | ||
| }), | ||
| headers: { | ||
| 'Authorization': `Bearer ${absintheApiKey}`, | ||
| 'Content-Type': 'application/json', | ||
| }, | ||
| method: 'POST', | ||
| }) | ||
| if (!res.ok) { | ||
| throw new Error(`Points query failed: ${res.statusText}`) | ||
| } | ||
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| const { data, errors } = await res.json() | ||
| if (errors && errors.length) { | ||
| const messages = errors.map(err => err.message).join(', ') | ||
| throw new Error(`Points query errored: ${messages}`) | ||
| } | ||
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| return data?.query_address_points[0]?.points || 0 | ||
| } | ||
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| async function handleRequest(req, res) { | ||
| const { 'access-control-request-headers': headers, origin } = req.headers | ||
| if (headers) { | ||
| res.setHeader('Access-Control-Allow-Headers', headers) | ||
| } | ||
| res.setHeader('Access-Control-Allow-Methods', 'GET') | ||
| const allowOrigin = origins.includes(origin) ? origin : false | ||
| res.setHeader('Access-Control-Allow-Origin', allowOrigin) | ||
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| if (req.method === 'OPTIONS') { | ||
| res.writeHead(204) | ||
| res.end() | ||
| return | ||
| } | ||
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| if (req.method !== 'GET') { | ||
| res.writeHead(405, { 'Content-Type': 'application/json' }) | ||
| res.end(JSON.stringify({ error: 'Method Not Allowed' })) | ||
| return | ||
| } | ||
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| const address = req.url.slice(1) | ||
| if (!/^0x[0-9a-f]{40}$/i.test(address)) { | ||
| res.writeHead(400, { 'Content-Type': 'application/json' }) | ||
| res.end(JSON.stringify({ error: 'Invalid address format' })) | ||
| return | ||
| } | ||
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| let statusCode, data | ||
| try { | ||
| statusCode = 200 | ||
| data = { points: await getUserPoints(address) } | ||
| } catch (err) { | ||
| // eslint-disable-next-line no-console | ||
| console.error(`Failed to handle request: ${err}`) | ||
| statusCode = 500 | ||
| data = { error: 'Internal Server Error' } | ||
| } | ||
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| res.writeHead(statusCode, { 'Content-Type': 'application/json' }) | ||
| res.end(JSON.stringify(data)) | ||
| } | ||
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| http.createServer(handleRequest).listen(port) |
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