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@CodeNinjaEvan CodeNinjaEvan released this 10 Aug 12:16
· 519 commits to master since this release
SunNetwork-v1.0.0
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Learn about vigilant mode.

Sun Network Plan is the expansion plan for TRON main network ecosystem, including smart contract application oriented side-chain(DAppChain), cross-chain communication and other expansion projects.

DAppChain is the first product of Sun-network Project. It is compatible with TRON main-chain, and fully support smart contract with low consumption, high security and high efficiency.

Dapp-chain

Features:

Side-chain:

  • Optimized lots of legacy logic.
  • Implement reward adjust mechanism.

Optimize the latest java-tron (version 3.6) to support side-chain model:

  • Implement 2 special token mint instructions for cross-chain deposit operations in TVM layer.
  • Support new energy model for gateway contract.
  • Remove trc10 token creation component.
  • Remove exchange component.
  • Changed transaction signature logic to avoid replay attack.

New incentive layer for sidechain:

  • Introduce new concept "fund" to ecosystem incentive layer.
  • Provide new system contract FundInject for donate TRX to witness incentive pool.
  • Implement logic for block production rewards and chain owner rewards distribution from fund.

New proposals:

ID Description
1000000 Proposal for charge side-chain transaction fee switch.
1000001 Proposal for setting side-chain gateway address.
1000003 Proposal for setting proposal expire time.
1000004 Proposal for switch of witness vote.
1000005 Proposal for setting max-size of gateway transaction inputs.
1000007 Proposal for setting founder address of witness incentive pool.
1000008 Proposal for switch of witness rewards.
1000009 Proposal for setting minimum reward distribution duration.
1000010 Proposal for setting increasing percentage of witness incentive pool.

Oracle

Implement cross-chain functionalities:

  • Implement event listening component for mainchain gateway contract interaction.
  • Implement event listening component for sidechain gateway contract interaction.
  • Implement multi-signing functions of deposit, withdraw, and mapping actions for transaction status consensus.
  • Multiple token type supported, including TRX, TRC10, TRC20, TRC721.

Token Safety:

  • Add user authentication/authorization functionality for Oracle safety purpose.
  • Add retry, status delay confirmation logic to handle unexpected exceptions.

SUN-SDK （JAVA）

Provide cross-chain interfaces:

  • Provide map APIs to mapping TRC20/TRC721 Token from main-chain to a sidechain.
  • Provide deposit APIs to migrate TRX/TRC10/TRC20/TRC721 assets from main-chain to a corresponding account on side-chain.
  • Provide withdraw APIs to migrate TRX/TRC10/TRC20/TRC721 assets from side-chain to a corresponding account on main-chain.

sidechain-specific interface:

  • Provide a special fundInject function to inject TRX into sidechain incentive pool.

mainchain interfaces:

  • Provide basic APIs to interact with the mainchain, including asset transferring, proposal handling, exchanges, smart contract transactions, etc.

Js-sdk

  • Support deposit assets from mainchain to a sidechain, including depositTrx, depositTrc10, depositTrc20, depositTrc721 functions.

  • Support withdraw assets from a sidechain to the mainchain, including withdrawTrx, withdrawTrc10, withdrawTrc20, withdrawTrc721 functions.

  • Support approveTrc20 and approveTrc721, which should be used before depositTrc20 or depositTrc721.

  • Support mapping contract of TRC20 and TRC721 from mainchain to sidechain.

  • Support retry mechanism of token deposit, withdraw and mapping operation.

  • Inherit all functions of TronWeb

Sun-cli

A terminal wallet to interact with TRON mainchain and TRON sidechain.

View switch:

  • Add a switch command for main-chain/side-chain view change.

More friendly functionalities on mainchain basing on wallet-cli:

  • Basic interactive commands for mainchain basing on wallet-cli command interfaces.
  •  Mapping command: TRC20/TRC721 mapping.
  • Deposit command: Migrate TRX/TRC10TRC20/TRC721 token to side-chain account.

Side chain view functionalities:

  • Basic interactive commands for the mainchain basing on wallet-cli command interfaces.
  • Withdraw command: Migrate TRX/TRC10TRC20/TRC721 token back to main-chain account.
  • fundInject command: for witness node reward.
  • Basic interactive commands for sidechain.
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