@liskhq/lisk-framework-chain-connector-plugin is a plugin for creating and sending Cross-Chain-Update (CCU) Transactions.
Cross-chain update transactions are the carriers of the information transmitted between chains. By posting a cross-chain update, the receiving chain gets the information required about the advancement of the sending chain. The transaction can also include cross-chain messages and thus serves as an envelope for messages from one chain to another.
$ npm install --save @liskhq/lisk-framework-chain-connector-plugin
|Chain ID of the receiving chain
|The WS url of a receiving node
|The IPC path of a receiving node
|Number of blocks after which a CCU should be created
|Encrypted privateKey of the relayer
|Fee to be paid for each CCU transaction
|Flag for the user to either save or send a CCU on creation. Send is by default
|Maximum size of CCU to be allowed
|Height at the time of registration on the receiving chain
|Number of CCUs to save
Start your Lisk SDK with
--enable-chain-connector-plugin flag, i.e.
$ ./bin/run start --enable-chain-connector-plugin
Setting up a relayer node: Details SDK Doc for setting up node with Chain Connector Plugin.
LIP-53 # CCU Properties: Explaination of CCU Properties from LIP-53.
Interoperability Example: Example of Interoperability with 2 sidechains and 1 mainchain, Chain Connector Plugin enabled.
Copyright 2016-2023 Lisk Foundation
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
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