Iroha Blockchain Explorer
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Hyperledger/Iroha Blockchain Explorer

Explore any Iroha Blockchain (

Get Started


At the current level of development (alpha) it is advisable to use the project to get a local Iroha Testnet within containers up and running. This Iroha Explorer is easy to use with the Testnet.

Pull the Iroha Explorer Image:

docker pull divax/iroha-explorer:latest

Adapt the following settings (environment variables, volume and network) to your needs (example as used by the mentioned Testnet project).

If your Testnet is up and running, run the Iroha Explorer:

docker run \
  -d \
  --env IP_EXPLORER="" \
  --env PORT_EXPLORER=3900 \
  --env PATH_BLOCKSTORE_IROHA="/tmp/iroha-blockstore/blockstore/" \
  --env POSTGRES_HOST_IROHA="p2p-iroha1:5432" \
  -v p2p-iroha1:/tmp/iroha-blockstore:ro \
  -p \
  --network diva-p2p-net1 \
  --name iroha-explorer \

Navigate to http://localhost:3915 to access the Iroha Explorer.

Build from Source

The code is in alpha (unstable, prototype stage, yet working). It has been developed on Linux and NodeJS v12. Therefore it is a requisite to have NodeJS available.

Clone the code into a folder of your choice, like:

cd /home/me/my-stuff/
git clone -b master
cd iroha-explorer

Prepare your environment:

  • A local IP and PORT is needed to run the Explorer, like (default settings)
  • Know the path to your local Iroha Blockstore, accessible to the user executing the NodeJS process. It might be something like /opt/iroha/data/blockstore/. It might make a lot of sense to mount the blockstore, like this (execute it as node user, not as root): mkdir /tmp/iroha-blockstore && sudo mount --bind /opt/iroha/data/blockstore/ /tmp/iroha-blockstore/.
  • The Postgres database of Iroha must be accessible to the NodeJS process. The database must be called “iroha_data”. The explorer expects a read-only user called “explorer”, password “explorer”. Here is a script to achieve this:

Now start the explorer (set the enviroment variables according to your environment):

npm i
IP= PORT=3900 PATH_BLOCKSTORE_IROHA=/tmp/iroha-blockstore/ POSTGRES_HOST_IROHA= node -r esm app/main.js

Contact the Developers

On DIVA.EXCHANGE you’ll find various options to get in touch with the team.

Talk to us via Telegram (English or German).


Your donation goes entirely to the project. Your donation makes the development of DIVA.EXCHANGE faster.

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Awesome, thank you!