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About this release

This is a maintenance release. It:

  • Makes State Channel FSM more robust to timeouts. If one of the peers refuses signing the closing transaction while the channel is not active then the request may timeout without killing the FSM.

  • Improves State Channel FSM to compute transaction fees in a dynamic manner. This will usually result in smaller fees being paid by participants.

  • Enhances the State Channel user experience adding info regarding timeouts. The process that handles the state for the State Channel client in the node has a list of different timeouts. They define different time frames for certain events to be completed. Running out of time is a violation of the off-chain protocol so if it happens - the connection is closed and it is up to the State Channel client how to proceed next. This enhances user experience adding a new info message for the timeouts.

  • Enables State Channels Websocket clients to reconnect and to re-attach to the FSM, using a special signed offchain transaction. While the client is disconnected, the corresponding FSM will reject requests that require signatures.

This release is backward compatible with previous v4.* releases.

Please join the mainnet by following the instructions below, and let us know if you have any problems by opening a ticket. Troubleshooting of common issues is documented in the wiki.

The instructions below describe:

Retrieve the software for running a node

You can run a node by either:

The instructions for configuring the node using the Docker image are in the dedicated separate document.

The node user API is documented:

  • HTTP API endpoints are specified online in swagger.yaml;

    • A JSON version of the same specification is located in the node at path lib/aehttp-*/priv/swagger.json (you will need to amend the wildcard * placeholder in the path with the version).

    • The JSON version can be obtained from a running node using the endpoint /api.

    • An interactive visualization of the same specification is available online.

  • WebSocket API endpoints are specified online;

  • The intended usage of the user API (HTTP and WebSocket) is documented online.

Install node

The instructions for installing a node using a release binary are in the dedicated separate document.

For installation of a node using the Docker image, please refer to the documentation online.

Join the mainnet

In order to join the mainnet follow the operation instructions to run the node with default configuration as mainnet is the default network.

To join the mainnet by using the Docker image, please refer to docker documentation.

Mainnet seed nodes

The release package comes preconfigured with seed nodes. Here is example subset of the seed nodes:

  • aenode://pp_2L8A5vSjnkLtfFNpJNgP9HbmGLD7ZAGFxoof47N8L4yyLAyyMi@18.136.37.63:3015

  • aenode://pp_2gPZjuPnJnTVEbrB9Qgv7f4MdhM4Jh6PD22mB2iBA1g7FRvHTk@52.220.198.72:3015

  • aenode://[email protected]:3015

  • aenode://pp_2mwr9ikcyUDUWTeTQqdu8WJeQs845nYPPqjafjcGcRWUx4p85P@3.17.30.101:3015

  • aenode://pp_2CAJwwmM2ZVBHYFB6na1M17roQNuRi98k6WPFcoBMfUXvsezVU@13.58.177.66:3015

  • aenode://pp_7N7dkCbg39MYzQv3vCrmjVNfy6QkoVmJe3VtiZ3HRncvTWAAX@13.53.114.199:3015

  • aenode://pp_22FndjTkMMXZ5gunCTUyeMPbgoL53smqpM4m1Jz5fVuJmPXm24@13.53.149.181:3015

  • aenode://pp_Xgsqi4hYAjXn9BmrU4DXWT7jURy2GoBPmrHfiCoDVd3UPQYcU@13.53.164.121:3015

  • aenode://[email protected]:3015

Inspect the mainnet

Here are example nodes that can be used to inspect current top block and see information about e.g. height or target:

  • http://18.136.37.63:3013/v2/blocks/top

  • http://52.220.198.72:3013/v2/blocks/top

  • http://13.53.114.199:3013/v2/blocks/top

  • http://13.53.149.181:3013/v2/blocks/top

Join the testnet

In order to join the testnet change the Network ID in node configuration file to ae_uat.

To join the testnet by using the Docker image, please refer to the docker documentation.

Testnet seed nodes

The release package comes preconfigured with testnet seed nodes, this is the list:

  • aenode://pp_QU9CvhAQH56a2kA15tCnWPRJ2srMJW8ZmfbbFTAy7eG4o16Bf@52.10.46.160:3015

  • aenode://pp_27xmgQ4N1E3QwHyoutLtZsHW5DSW4zneQJ3CxT5JbUejxtFuAu@13.250.162.250:3015

  • aenode://pp_DMLqy7Zuhoxe2FzpydyQTgwCJ52wouzxtHWsPGo51XDcxc5c8@13.53.161.215:3015

Inspect the testnet

The core nodes of the public test network are accessible from the Internet.

Information, e.g. height, of the top block of the longest chain as seen by these core nodes of the testnet can be obtained by opening in the browser any of the following URLs:

  • http://52.10.46.160:3013/v2/blocks/top

  • http://13.250.162.250:3013/v2/blocks/top

  • http://13.53.161.215:3013/v2/blocks/top

Setup your node

Setting up your node consists of:

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