Iroha 2

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Launch Iroha 2 ​

This tutorial explains how to launch an Iroha 2 network.

1. Prerequisites ​

To launch an instance of the Iroha 2 network, install the following first:

2. Launch Iroha Network ​

  1. In your terminal, navigate to the root directory of your local iroha repository:

    bash
    $ cd ~/Git/iroha

  2. Run the docker compose command with the docker-compose.yml network configuration file specified to deploy a network of four containerized peers:

    bash
    $ docker compose -f defaults/docker-compose.yml up

    Depending on your setup, this command will either pull an image from Docker Hub or build the container locally.

    Once the process completes, you will see an output similar to the following:

    [+] Running 12/12
 ✔ irohad1 Pulled                                                          6.3s
 ✔ irohad3 Pulled                                                          6.3s
 ✔ irohad0 Pulled                                                          6.3s
   ✔ 6e909acdb790 Pull complete                                            1.4s
   ✔ eb2adbb7f73c Pull complete                                            2.1s
   ✔ 7f0f136a61ae Pull complete                                            2.3s
   ✔ b614513eeeb6 Pull complete                                            2.5s
   ✔ b09c8f066ef8 Pull complete                                            1.4s
   ✔ 01b627bf2a6b Pull complete                                            2.1s
   ✔ dfc5b0ff1db4 Pull complete                                            2.3s
   ✔ 3e7e38b40299 Pull complete                                            2.5s
 ✔ irohad2 Pulled                                                          6.3s
[+] Running 5/5
 ✔ Network defaults_default      Created                                      0.1s
 ✔ Container defaults-irohad1-1  Created                                      0.4s
 ✔ Container defaults-irohad0-1  Created                                      0.5s
 ✔ Container defaults-irohad2-1  Created                                      0.4s
 ✔ Container defaults-irohad3-1  Created                                      0.5s
Attaching to irohad0-1, irohad1-1, irohad2-1, irohad3-1
irohad1-1  | 2025-03-19T16:47:34.299044Z  INFO irohad: Hyperledgerいろは2にようこそ！(translation) Welcome to Hyperledger Iroha! version="2.0.0-rc.1.0" git_commit_sha="8f71132" peer=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D@0.0.0.0:1338 chain=00000000-0000-0000-0000-000000000000 listening_on=0.0.0.0:8081
irohad1-1  | 2025-03-19T16:47:34.311653Z  INFO start: iroha_core::kura: Kura init complete mode=Strict block_count=0
irohad1-1  | 2025-03-19T16:47:34.312089Z  INFO start: irohad: Didn't find a state snapshot; creating an empty state
irohad1-1  | 2025-03-19T16:47:34.318511Z  INFO start:start{listen_addr=WithOrigin { value: 0.0.0.0:1338, origin: Env { id: ParameterId(network.address), var: "P2P_ADDRESS" } } public_address=WithOrigin { value: SocketAddrHost { host: "irohad1", port: 1338 }, origin: Env { id: ParameterId(network.public_address), var: "P2P_PUBLIC_ADDRESS" } } idle_timeout=60s}: iroha_p2p::network: Network bound to listener
irohad1-1  | 2025-03-19T16:47:34.318715Z  INFO start: irohad: Telemetry not started due to absent configuration
irohad1-1  | 2025-03-19T16:47:34.318997Z  INFO start: iroha_core::sumeragi: Sumeragi has finished loading blocks and setting up the state
irohad1-1  | 2025-03-19T16:47:34.319410Z  INFO consensus: iroha_core::sumeragi::main_loop: Listening for genesis... peer_id=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D@0.0.0.0:1338 role=Leader
irohad1-1  | 2025-03-19T16:47:34.322874Z  WARN run{listen_addr=0.0.0.0:1338 public_key=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D}:run{conn_id=2}: iroha_p2p::peer::run: Failure during handshake. error=Io(Os { code: 111, kind: ConnectionRefused, message: "Connection refused" })
irohad1-1  | 2025-03-19T16:47:34.323968Z  WARN run{listen_addr=0.0.0.0:1338 public_key=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D}:run{conn_id=1}: iroha_p2p::peer::run: Failure during handshake. error=Io(Os { code: 111, kind: ConnectionRefused, message: "Connection refused" })
irohad1-1  | 2025-03-19T16:47:34.324995Z  WARN run{listen_addr=0.0.0.0:1338 public_key=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D}:run{conn_id=0}: iroha_p2p::peer::run: Failure during handshake. error=Io(Os { code: 111, kind: ConnectionRefused, message: "Connection refused" })
...

irohad0-1  | 2025-03-19T16:47:34.617274Z  INFO irohad: Hyperledgerいろは2にようこそ！(translation) Welcome to Hyperledger Iroha! version="2.0.0-rc.1.0" git_commit_sha="8f71132" peer=ed0120A98BAFB0663CE08D75EBD506FEC38A84E576A7C9B0897693ED4B04FD9EF2D18D@0.0.0.0:1337 chain=00000000-0000-0000-0000-000000000000 listening_on=0.0.0.0:8080
irohad0-1  | 2025-03-19T16:47:34.625214Z  INFO start: iroha_core::kura: Kura init complete mode=Strict block_count=0
irohad0-1  | 2025-03-19T16:47:34.625501Z  INFO start: irohad: Didn't find a state snapshot; creating an empty state
irohad0-1  | 2025-03-19T16:47:34.634539Z  INFO start:start{listen_addr=WithOrigin { value: 0.0.0.0:1337, origin: Env { id: ParameterId(network.address), var: "P2P_ADDRESS" } } public_address=WithOrigin { value: SocketAddrHost { host: "irohad0", port: 1337 }, origin: Env { id: ParameterId(network.public_address), var: "P2P_PUBLIC_ADDRESS" } } idle_timeout=60s}: iroha_p2p::network: Network bound to listener
irohad0-1  | 2025-03-19T16:47:34.634653Z  INFO start: irohad: Telemetry not started due to absent configuration
irohad0-1  | 2025-03-19T16:47:34.634835Z  INFO start: iroha_core::sumeragi: Sumeragi has finished loading blocks and setting up the state
irohad0-1  | 2025-03-19T16:47:38.410008Z  INFO consensus: iroha_core::sumeragi::main_loop: Block committed peer_id=ed0120A98BAFB0663CE08D75EBD506FEC38A84E576A7C9B0897693ED4B04FD9EF2D18D@0.0.0.0:1337 prev_role=ProxyTail next_role=ValidatingPeer block_hash=07d640aaff537fb03c4e437604511c627d3d4b455aaae491fee7fafafdf03dab new_height=1
irohad0-1  | 2025-03-19T16:47:38.410100Z  INFO consensus: iroha_core::sumeragi::main_loop: Sumeragi initialized peer_id=ed0120A98BAFB0663CE08D75EBD506FEC38A84E576A7C9B0897693ED4B04FD9EF2D18D@0.0.0.0:1337 role=ValidatingPeer
irohad2-1  | 2025-03-19T16:47:38.759337Z  INFO consensus: iroha_core::sumeragi::main_loop: Block committed peer_id=ed01204EE2FCD53E1730AF142D1E23951198678295047F9314B4006B0CB61850B1DB10@0.0.0.0:1339 prev_role=Leader next_role=ProxyTail block_hash=07d640aaff537fb03c4e437604511c627d3d4b455aaae491fee7fafafdf03dab new_height=1
irohad2-1  | 2025-03-19T16:47:38.759378Z  INFO consensus: iroha_core::sumeragi::main_loop: Sumeragi initialized peer_id=ed01204EE2FCD53E1730AF142D1E23951198678295047F9314B4006B0CB61850B1DB10@0.0.0.0:1339 role=ProxyTail
irohad1-1  | 2025-03-19T16:47:38.813375Z  INFO consensus: iroha_core::sumeragi::main_loop: Block committed peer_id=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D@0.0.0.0:1338 prev_role=ValidatingPeer next_role=Leader block_hash=07d640aaff537fb03c4e437604511c627d3d4b455aaae491fee7fafafdf03dab new_height=1
irohad1-1  | 2025-03-19T16:47:38.813454Z  INFO consensus: iroha_core::sumeragi::main_loop: Sumeragi initialized peer_id=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D@0.0.0.0:1338 role=Leader
irohad3-1  | 2025-03-19T16:47:38.867395Z  INFO consensus: iroha_core::sumeragi::main_loop: Block committed peer_id=ed0120CACF3A84B8DC8710CE9D6B968EE95EC7EE4C93C85858F026F3B4417F569592CE@0.0.0.0:1340 prev_role=ObservingPeer next_role=ObservingPeer block_hash=07d640aaff537fb03c4e437604511c627d3d4b455aaae491fee7fafafdf03dab new_height=1
irohad3-1  | 2025-03-19T16:47:38.867467Z  INFO consensus: iroha_core::sumeragi::main_loop: Sumeragi initialized peer_id=ed0120CACF3A84B8DC8710CE9D6B968EE95EC7EE4C93C85858F026F3B4417F569592CE@0.0.0.0:1340 role=ObservingPeer
irohad1-1  | 2025-03-19T16:47:40.816265Z  INFO consensus: iroha_core::sumeragi::main_loop: Block created peer_id=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D@0.0.0.0:1338 block_hash=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71 txns=0 view_change_index=0
irohad2-1  | 2025-03-19T16:47:40.820115Z  INFO consensus: iroha_core::sumeragi::main_loop: Block received peer_id=ed01204EE2FCD53E1730AF142D1E23951198678295047F9314B4006B0CB61850B1DB10@0.0.0.0:1339 role=ProxyTail block=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71
irohad0-1  | 2025-03-19T16:47:40.822124Z  INFO consensus: iroha_core::sumeragi::main_loop: Block received peer_id=ed0120A98BAFB0663CE08D75EBD506FEC38A84E576A7C9B0897693ED4B04FD9EF2D18D@0.0.0.0:1337 role=ValidatingPeer block=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71
irohad0-1  | 2025-03-19T16:47:40.822431Z  INFO consensus: iroha_core::sumeragi::main_loop: Voted for the block peer_id=ed0120A98BAFB0663CE08D75EBD506FEC38A84E576A7C9B0897693ED4B04FD9EF2D18D@0.0.0.0:1337 role=ValidatingPeer block=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71
irohad3-1  | 2025-03-19T16:47:40.822112Z  INFO consensus: iroha_core::sumeragi::main_loop: Block received peer_id=ed0120CACF3A84B8DC8710CE9D6B968EE95EC7EE4C93C85858F026F3B4417F569592CE@0.0.0.0:1340 role=ObservingPeer block=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71
irohad2-1  | 2025-03-19T16:47:40.826138Z  INFO consensus: iroha_core::sumeragi::main_loop: Received block signatures peer_id=ed01204EE2FCD53E1730AF142D1E23951198678295047F9314B4006B0CB61850B1DB10@0.0.0.0:1339 role=ProxyTail block=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71
irohad2-1  | 2025-03-19T16:47:40.826729Z  INFO consensus: iroha_core::sumeragi::main_loop: Block committed peer_id=ed01204EE2FCD53E1730AF142D1E23951198678295047F9314B4006B0CB61850B1DB10@0.0.0.0:1339 prev_role=ProxyTail next_role=ValidatingPeer block_hash=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71 new_height=2
irohad1-1  | 2025-03-19T16:47:40.828159Z  INFO consensus: iroha_core::sumeragi::main_loop: Received block committed peer_id=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D@0.0.0.0:1338 role=Leader block=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71
irohad0-1  | 2025-03-19T16:47:40.828111Z  INFO consensus: iroha_core::sumeragi::main_loop: Received block committed peer_id=ed0120A98BAFB0663CE08D75EBD506FEC38A84E576A7C9B0897693ED4B04FD9EF2D18D@0.0.0.0:1337 role=ValidatingPeer block=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71
irohad3-1  | 2025-03-19T16:47:40.828106Z  INFO consensus: iroha_core::sumeragi::main_loop: Received block committed peer_id=ed0120CACF3A84B8DC8710CE9D6B968EE95EC7EE4C93C85858F026F3B4417F569592CE@0.0.0.0:1340 role=ObservingPeer block=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71
irohad1-1  | 2025-03-19T16:47:40.828732Z  INFO consensus: iroha_core::sumeragi::main_loop: Block committed peer_id=ed01209897952D14BDFAEA780087C38FF3EB800CB20B882748FC95A575ADB9CD2CB21D@0.0.0.0:1338 prev_role=Leader next_role=ProxyTail block_hash=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71 new_height=2
irohad0-1  | 2025-03-19T16:47:40.828423Z  INFO consensus: iroha_core::sumeragi::main_loop: Block committed peer_id=ed0120A98BAFB0663CE08D75EBD506FEC38A84E576A7C9B0897693ED4B04FD9EF2D18D@0.0.0.0:1337 prev_role=ValidatingPeer next_role=Leader block_hash=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71 new_height=2
irohad3-1  | 2025-03-19T16:47:40.828522Z  INFO consensus: iroha_core::sumeragi::main_loop: Block committed peer_id=ed0120CACF3A84B8DC8710CE9D6B968EE95EC7EE4C93C85858F026F3B4417F569592CE@0.0.0.0:1340 prev_role=ObservingPeer next_role=ObservingPeer block_hash=27d21778eeb2c70bdf471c9ee102246438ce7531b4a31e6955044761fafe1f71 new_height=2

After deploying the network, you can interact with it using the Iroha Client CLI.

TIP

You can monitor blockchain events in the terminal where the network runs.

Docker Options ​

The following options are also available for local compilation:

  • To test Iroha code quickly, use the docker-compose.single.yml network configuration file, which starts a container with a single peer.
  • To test Iroha code in normal conditions, use the docker-compose.local.yml network configuration file, which starts four connected containers with peers.

Note

There is ongoing work to make our configurations for Docker even more customizable with the help of Swarm.