Grin v3.0.0: Changes & Improvements - mugleproject/docs GitHub Wiki
WORK IN PROGRESS
Introduction
This document outlines changes and improvements in /mugle and /mugle-wallet as part of the forthcoming v3.0.0, occurring at block height 524,160 (expected Jan 15 2020).
Actions required
| If you're a... | ...please ensure that you... |
|---|---|
| Mining software developer | add compatibility for the new Cuckaroom29 Proof of Work. |
| Miner mining the ASIC resistant proof of work | have a Cuckaroom29 miner installed and a mechanism to switch over at hard fork height. |
| Exchange | |
| Wallet software developer | Update to use 3.0.0 versions of mugle and mugle-wallet |
| End user |
Description of changes
Breaking changes
| Title | Description |
|---|---|
| New GPU-targeted proof of work | Cuckaroom, details here. |
| Enable faster sync |
Node improvements
| Title | Description |
|---|---|
| Node API v2 | |
| Read header_head and sync_head from header MMRs directly | |
| Refactor transaction building combinators | |
| TUI Logs view | Display logs from within the node TUI |
| fix: split state validation status into kernel and rproof updates |
Wallet improvements
Generally, the v3.0.0 wallet can exchange transactions with v2.x.x series wallets, with a few small caveats around the use of new features. Please see the wallet changes tracking issue for more detail.
Overview of new features
| Title | Description |
|---|---|
| TOR support | Sending and receiving transaction slates using Hidden Services via the TOR network. |
| Payment proofs | Ability to prove to a recipient that a transaction was made. |
| Transaction update rework | Ensure wallet state updates are more robust and changes to how the UTXO set is scanned. |
Please refer to https://github.com/mugleproject/mugle-wallet/issues/262 for a precise list of all wallet changes and enhancements.
FAQ
Do I need to do something with my mugles?
No, they are unaffected.
Will I get additional mugles as part of this hard fork?
No, it's a network upgrade, and the network is not expected to split.
Additional Resources
| Title | URL |
|---|---|
| Communication timelines | https://forum.mugle.org/t/mugle-v3-0-0-hard-fork-upgrade-jan-2020/6036 |
| Planning issue | https://github.com/mugleproject/mugle-pm/issues/204 |
| Node Milestone | https://github.com/mugleproject/mugle/milestone/15 |
| Wallet Milsetone | https://github.com/mugleproject/mugle-wallet/milestone/6 |