Appchain Register

Appchain Register

Checklist before registration

This section aims to list the items that the Appchain team needs to check before Appchain registration to ensure a smooth launch.

• The Appchain is using the latest version of the barnacle/barnacle-evm template.
• The version of Substrate used in Cargo.toml of Appchain should be consistent with the template.
• The below pallets defined in the construct_runtime! part in the Appchain runtime code (runtime/src/lib.rs) should be consistent with the template.

construct_runtime!(
	pub enum Runtime where
		Block = Block,
		NodeBlock = opaque::Block,
		UncheckedExtrinsic = UncheckedExtrinsic
	{
		System: frame_system,
		Babe: pallet_babe,
		Timestamp: pallet_timestamp,
		Authorship: pallet_authorship,
		Balances: pallet_balances,
		TransactionPayment: pallet_transaction_payment,
		OctopusAppchain: pallet_octopus_Appchain, // must before session
		OctopusLpos: pallet_octopus_lpos,
		OctopusUpwardMessages: pallet_octopus_upward_messages,
		OctopusAssets: pallet_assets::<Instance1>,
		Session: pallet_session,
		Grandpa: pallet_grandpa,
		ImOnline: pallet_im_online,
		Historical: pallet_session_historical::{Pallet},
		Mmr: pallet_mmr,
		Beefy: pallet_beefy,
		MmrLeaf: pallet_beefy_mmr,
		Uniques: pallet_uniques,
		Sudo: pallet_sudo,
		// Include the custom logic from the pallet-template in the runtime.
		TemplateModule: pallet_template,
	}
);

• The block time of the Appchain is consistent with the template, set to 6s.

pub const MILLISECS_PER_BLOCK: Moment = 6000;
pub const EPOCH_DURATION_IN_BLOCKS: BlockNumber = 4 * HOURS;

• In Appchain chain spec JSON file, the setting of ss58Format should be 42. Also, if Appchain does not support the stablecoin assets (USDN in the NEAR network) cross-chain transfer from the Mainchain to Appchain, please set assetIdByTokenId with [].

"assetIdByTokenId": []

• During Appchain team registration, the Token Icon of provided by Appchain must be in SVG format.

Prerequisites

• NEAR account.
• OCT token: The Appchain team needs pay 1k OCT tokens as an Auditing Fee. For the testnet, the Appchain team can request OCTs from Discord.

Steps of Appchain Registration

1. Log in to the Octopus apps via a NEAR account.

2. Click the Join Octopus button, and then fill in the following information:

   • Appchain ID: 3-20 characters consisting of lowercase letters, numbers and hyphen -, and cannot start with a number, and a hyphen - cannot be used at the beginning and end, a.k.a the regular expression: [a-z]([-a-z0-9]*[a-z0-9])?
   • Token Info
     • Token Name: The name of the Appchain native token
     • Token Symbol: The symbol of the Appchain native token
     • Decimals: The decimals of the Appchain native token, the default value is 18
     • Icon: The SVG format icon link of the Appchain native token
   • Website: The official website of the Appchain
   • Github Address: The Github repository of Appchain
   • Initial Supply: The Appchain native token amount of the initial issues
   • Premined: The number of wrapped tokens that be Premined to the NEAR network in the total initial issuance
   • Beneficiary: The NEAR account to receive the Premined wrapped token
   • IDO Amount: The number of tokens used by the Appchain team to use Skyward for IDO before the Mainnet launch
   • Daily Reward: The Appchain native token amount as its block reward for each day
   • Email: The contact email of the Appchain
   • Template Type: The template type used by the Appchain
   • Project Description: A single sentence introduction of the Appchain

   

3. Click Submit to send the registration request.