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GitHub - Blockstream/esplora: Explorer for Bitcoin and Liquid

 5 years ago
source link: https://github.com/Blockstream/esplora
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README.md

Esplora Block Explorer

Block explorer web interface based on the esplora-electrs HTTP API.

Written as a single-page app in a reactive and functional style using rxjs and cycle.js.

See live at Blockstream.info.

API documentation is available here.

Esplora

Features

  • Explore blocks, transactions and addresses

  • Support for Segwit and Bech32 addresses

  • Shows previous output and spending transaction details

  • Quick-search for txid, address, block hash or height by navigating to /<query>

  • Advanced view with script hex/assembly, witness data, outpoints and more

  • Mobile-ready responsive design

  • Translated to 17 languages

  • Light and dark themes

  • For Liquid and other Elements-based chains: support for CT, peg-in/out transactions and multi-asset

Developing

To start a development server with live babel/browserify transpilation, run:

$ git clone https://github.com/Blockstream/esplora && cd esplora
$ npm install
$ export API_URL=http://localhost:5000/ # or https://blockstream.info/api/ if you don't have a local API server
# (see more config options below)
$ npm start

Building

To build the static assets directory for production deployment, set config options (see below) and run $ npm run dist. The files will be created under dist/.

Because Esplora is a single-page app, the HTTP server needs to be configured to serve the index.html file in reply to missing pages. See contrib/nginx.conf.in for example nginx configuration (TL;DR: try_files $uri /index.html).

Configuration options

All options are optional.

  • NODE_ENV - set to production to enable js minification, or to development to disable (defaults to production)
  • BASE_HREF - base href for user interface (defaults to /, change if not served from the root directory)
  • API_URL - URL for HTTP REST API (defaults to /api, change if the API is available elsewhere)
  • PORT - port to bind http development server (defaults to 3000, has no effect when building)
  • NATIVE_ASSET_LABEL - the name of the network native asset (defaults to BTC)
  • SITE_TITLE - website title for <title> (defaults to Block Explorer)
  • SITE_DESC - meta description (defaults to Esplora Block Explorer)
  • HOME_TITLE - text for homepage title (defaults to SITE_TITLE)
  • SITE_FOOTER - text for page footer (defaults to Powered by esplora)
  • HEAD_HTML - custom html to inject at the end of <head>
  • FOOT_HTML - custom html to inject at the end of <body>
  • CUSTOM_ASSETS - space separated list of static assets to add to the build
  • CUSTOM_CSS - space separated list of css files to append into style.css

Elements-only configuration:

  • NATIVE_ASSET_ID - the ID of the native asset used to pay fees (defaults to 6f0279e9ed041c3d710a9f57d0c02928416460c4b722ae3457a11eec381c526d, the asset id for BTC)
  • BLIND_PREFIX - the base58 address prefix byte used for confidential addresses (defaults to 12)
  • PARENT_CHAIN_EXPLORER_TXOUT - URL format for linking to transaction outupts on the parent chain, with {txid} and {vout} as placeholders. Example: https://blockstream.info/tx/{txid}#output:{vout}
  • PARENT_CHAIN_EXPLORER_ADDRESS - URL format for linking to addresses on parent chain, with {addr} replaced by the address. Example: https://blockstream.info/address/{addr}

Menu configuration (useful for inter-linking multiple instances on different networks):

  • MENU_ITEMS - json map of menu items, where the key is the label and the value is the url
  • MENU_ACTIVE - the active menu item identified by its label

How to build the Docker image

docker build -t esplora .

How to run the explorer for Bitcoin mainnet

docker run --port 8080:80 \
           --volume $PWD/data_bitcoin_mainnet:/data \
           --rm -i -t esplora \
           bash -c "/srv/explorer/run.sh bitcoin-mainnet explorer"

How to run the explorer for Liquid mainnet

docker run --port 8082:80 \
           --volume $PWD/data_liquid_mainnet:/data \
           --rm -i -t esplora \
           bash -c "/srv/explorer/run.sh liquid-mainnet explorer"

How to run the explorer for Bitcoin testnet3

docker run --port 8084:80 \
           --volume $PWD/data_bitcoin_testnet:/data \
           --rm -i -t esplora \
           bash -c "/srv/explorer/run.sh bitcoin-testnet explorer"

Build new esplora-base

docker build -t blockstream/esplora-base:latest -f Dockerfile.deps .
docker push blockstream/esplora-base:latest
docker inspect --format='{{index .RepoDigests 0}}' blockstream/esplora-base

Build new ci

docker build --squash -t blockstream/gcloud-docker:latest -f Dockerfile.ci .
docker push blockstream/gcloud-docker:latest
docker inspect --format='{{index .RepoDigests 0}}' blockstream/gcloud-docker

Build new gcloud-tor

docker build --squash -t blockstream/gcloud-tor:latest -f Dockerfile.tor .
docker push blockstream/gcloud-tor:latest
docker inspect --format='{{index .RepoDigests 0}}' blockstream/gcloud-tor

License

MIT


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