feat(cmd/devp2p): sync devp2p tooling with upstream geth

[gzliudan]

Proposed changes

upgrade source code of cmd/devp2p with geth

Types of changes

What types of changes does your code introduce to XDC network?
Put an ✅ in the boxes that apply

• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Changes that don't change source code or tests
• docs: Documentation only changes
• feat: A new feature
• fix: A bug fix
• perf: A code change that improves performance
• refactor: A code change that neither fixes a bug nor adds a feature
• revert: Revert something
• style: Changes that do not affect the meaning of the code
• test: Adding missing tests or correcting existing tests

Impacted Components

Which parts of the codebase does this PR touch?
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• Consensus
• Account
• Network
• Geth
• Smart Contract
• External components
• Not sure (Please specify below)

Checklist

Put an ✅ in the boxes once you have confirmed below actions (or provide reasons on not doing so) that

• This PR has sufficient test coverage (unit/integration test) OR I have provided reason in the PR description for not having test coverage
• Tested on a private network from the genesis block and monitored the chain operating correctly for multiple epochs.
• Provide an end-to-end test plan in the PR description on how to manually test it on the devnet/testnet.
• Tested the backwards compatibility.
• Tested with XDC nodes running this version co-exist with those running the previous version.
• Relevant documentation has been updated as part of this PR
• N/A

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[Copilot]

Pull request overview

Syncs cmd/devp2p and related p2p/enode/enr helpers with upstream geth, expanding devp2p’s debugging/deployment capabilities (ENR endpoint handling, nodeset filtering, Route53 DNS publishing, and improved RLPx/discovery tooling).

Changes:

• Refactors p2p/enode.Node to cache endpoint data using netip and adds new ENR entry types for netip.Addr.
• Expands cmd/devp2p with key management commands, nodeset filtering improvements (incl. -limit/-snap), and new discv4/discv5 crawl/listen capabilities.
• Adds Route53 DNS deployment support (new AWS SDK deps + tests) and improves RLPx ping disconnect decoding (+ tests).

Reviewed changes

Copilot reviewed 23 out of 24 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
p2p/enr/entries.go	Adds netip-based ENR IP entry types (IPv4Addr/IPv6Addr).
p2p/enode/urlv4.go	Updates URL generation to use netip validity instead of Incomplete().
p2p/enode/nodedb.go	Changes DB decode to build nodes via ENR record + cached endpoints.
p2p/enode/node.go	Refactors node endpoint handling (cached netip addr/ports, endpoint helpers).
p2p/enode/node_test.go	Adds tests for endpoint selection/scoring between v4/v6 entries and ports.
p2p/enode/idscheme.go	Updates SignNull to construct nodes via newNodeWithID.
core/forkid/forkid.go	Introduces forkid.Filter function type used by devp2p nodeset filters.
cmd/devp2p/rlpxcmd.go	Improves RLPx ping (endpoint helpers, disconnect decoding, ethtest hello).
cmd/devp2p/rlpxcmd_test.go	Adds unit tests for disconnect payload decoding.
cmd/devp2p/README.md	Adds/updates devp2p usage documentation (dns, nodeset, discv4/5, eth tests).
cmd/devp2p/nodesetcmd.go	Adds nodeset stats, new filters (-limit, -snap), netip-based CIDR filtering.
cmd/devp2p/nodeset.go	Adds topN selection by score for nodeset limiting.
cmd/devp2p/main.go	Registers new key subcommand.
cmd/devp2p/keycmd.go	Adds node key management commands (generate, to-id, to-enode, to-enr).
cmd/devp2p/internal/ethtest/protocol.go	Adds local handshake struct alias for decoding hello messages.
cmd/devp2p/enrcmd.go	Improves ENR dump output and attribute formatting.
cmd/devp2p/dnscmd.go	Adds Route53 deploy/nuke subcommands and wiring.
cmd/devp2p/dns_route53.go	Implements Route53 DNS TXT deployment logic (batching/sorting/splitting).
cmd/devp2p/dns_route53_test.go	Adds tests for Route53 change ordering/splitting and “no change” behavior.
cmd/devp2p/discv5cmd.go	Refactors discv5 commands to use shared flags and parallel crawl support.
cmd/devp2p/discv4cmd.go	Adds discv4 listen/RPC API, extaddr handling, parallel crawl/check updates.
cmd/devp2p/crawl.go	Refactors crawler to support bootnode seeding, parallel updates, and progress logging.
go.mod	Adds AWS SDK v2 modules for Route53 support.
go.sum	Records new AWS SDK v2 dependency checksums.