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feat(p2p/enode): improve IPv6 support, add ENR text representation #19663#2394

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gzliudan merged 1 commit into
XinFinOrg:dev-upgradefrom
gzliudan:enr-update-2
Jun 29, 2026
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feat(p2p/enode): improve IPv6 support, add ENR text representation #19663#2394
gzliudan merged 1 commit into
XinFinOrg:dev-upgradefrom
gzliudan:enr-update-2

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Proposed changes

Ref: ethereum#19663

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  • 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.
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  • Tested the backwards compatibility.
  • Tested with XDC nodes running this version co-exist with those running the previous version.
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…hereum#19663

* p2p/enr: add entries for for IPv4/IPv6 separation

This adds entry types for "ip6", "udp6", "tcp6" keys. The IP type stays
around because removing it would break a lot of code and force everyone
to care about the distinction.

* p2p/enode: track IPv4 and IPv6 address separately

LocalNode predicts the local node's UDP endpoint and updates the record.
This change makes it predict IPv4 and IPv6 endpoints separately since
they can now be in the record at the same time.

* p2p/enode: implement base64 text format
* all: switch to enode.Parse(...)

This allows passing base64-encoded node records to all the places that
previously accepted enode:// URLs. The URL format is still supported.

* cmd/bootnode, p2p: log node URL instead of ENR

...and return the base64 record in NodeInfo.
@gzliudan gzliudan merged commit b93b512 into XinFinOrg:dev-upgrade Jun 29, 2026
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@gzliudan gzliudan deleted the enr-update-2 branch June 29, 2026 23:43
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5 participants