v1.20.4

This is v1.20.4 of the Smart Node, including client updates, bug fixes, and an option to send Flashbots bundles when closing a minipool.

This is a high-priority upgrade as it provides a way to close minipools using Flashbots bundles.

Client Updates

• Reth updated to v2.3.0;
• Besu updated to v26.6.0;
• Nethermind updated to v1.38.0;
• Prysm updated to v7.1.4;

Smart Node changes

• Randomized the member selection for submit rpl price;
• Added a network state provider which makes it easier to test the SN with saved state;
• Added --bundle flag to the minipool close command, which will call distribute() on the fee distributor, distribute the minipool balance and finalize it on the same block;
• Migrated the version checker from the external tracker into the SN api. Shows the pending version on Dashboard v1.4.1;
• Only use --p2p-host for Besu when EXTERNAL_IP is not empty;
• Remove getNodeEffectiveRPL call;
• Fix negative value on node collector;