Follow-ups deferred from 29.4.3 #485

Items deferred from 29.4.3 for the next release.

Deferred

• Cover the historical coinbase maturity window on regtest #482: regtest coverage for the historical coinbase maturity window
• T.Softfork: consensus: 180-day rolling coinbase maturity from height 979919 until RDTS expiry #468: getdeploymentinfo reporting for the scheduled maturity rule
• mempool: Persist only explicit fee deltas #484: erase via the iterator in mempool persistence
• mempool: Persist only explicit fee deltas #484 follow-up: clear deltas saved by 29.4.2 (including sub-dust penalties) on upgrade, instead of documenting that they persist
• policy: credit a pubkey only when a signature verified against it #470: credit a pubkey only when a signature verified against it
• Darwin --icf=safe (Core PR 35197): reverted for 29.4.3; reconsider the upstream version that adds -faddrsig, after checking lld-18 behavior

Candidates (small, reviewed)

• crypto: Fix MuHash3072 division by itself #453: crypto: Fix MuHash3072 division by itself
• Bugfix: Check bounds of bytespersigop[strict], maxscriptsize, and limit{ancestor,descendant}size params #298: Check bounds of bytespersigop[strict], maxscriptsize, and limit{ancestor,descendant}size params
• contrib: point verify-binaries at Bitcoin Knots #408: contrib: point verify-binaries at Bitcoin Knots
• config: warn when a default-datadir config is ignored #286: config: warn when a default-datadir config is ignored

Needs review

• validation: Re-validate a block that holds the chain back and say how to proceed #431: validation: Re-validate a block that holds the chain back
• policy: Count data in output hashes and keys #389: policy: Count data in output hashes and keys
• net: Serve BLAKE2b blocks to peers with download permission #488: net: Serve BLAKE2b blocks to peers with download permission
• Update for #454 address initialization for onion inbound test #486: test: byte order of the loopback address in net_peer_connection_tests (fails on big-endian)
• kernel: Chainparams and headerssync updates from Core #34677 #291: kernel: Chainparams and headerssync updates from Core PR 34677 (check the mainnet values after the BLAKE2b fork)
• qt: Keep an existing chain's prune setting when chosen in the intro dialog #460: qt: Keep an existing chain's prune setting when chosen in the intro dialog
• contrib: reject divergent verify-commits history #367: contrib: reject divergent verify-commits history
• QA: Extend header v2 vectors and fuzz round-trip assertions #392: QA: Extend header v2 vectors and fuzz round-trip assertions

Open questions

• net_processing: reject sendcmpct announce field greater than 1 #452: what does disconnecting over this gain, and should it wait for Core?
• policy: Relay LND's revocation leaf within -datacarriersize #487: why the LND revocation leaf needs an exemption rather than a change to the dropped-push rule
• policy: relay only known input script shapes and count their unproven fields as datacarrier bytes #481: what legitimate spends it rejects; needs much more review
• policy: Add JSON and Omni token messages to -rejecttokens #489: whether JSON and Omni token messages should be reasons under -rejecttokens rather than a separate option

Needs a different approach

• policy: Enforce TRUC restrictions by default #447: TRUC by default draws the objection that policy cannot be relied on; find an approach without that objection, possibly as a new PR