v1.7.0

This upgrade adds support for issuing multiple atomic transactions into a single block and directly transferring assets between the P-chain and the C-chain.

The changes in the upgrade go into effect at 1 PM EST, December 2nd 2021 on Mainnet. One should upgrade their node before the changes go into effect, otherwise they may experience loss of uptime.

All nodes should upgrade before 1 PM EST, December 2nd 2021.

Networking

• Added peer uptime reports as metrics.
• Removed IP rate limiting over local networks.

PlatformVM

• Enabled AtomicTxs to be issued into StandardBlocks and deprecated AtomicBlocks.
• Added the ability to export/import AVAX to/from the C-chain.

Coreth

• Enabled multiple AtomicTxs to be issued per block.
• Added the ability to export/import AVAX to/from the P-chain.
• Updated dynamic fee calculations.

ProposerVM

• Removed storage of undecided blocks.

RPCChainVM

• Added support for metrics to be reported by plugin VMs.

Configs

• Removed --snow-epoch-first-transition and snow-epoch-duration as command line arguments.