KarpelesLab / libwallet / 24830721880

25%

Build Type

push

github

Committed by MagicalTux

Commit Message

wltnet: keep modchain handle for modchain_* methods

The freshness picker correctly routed eth_getBalance away from a
stale modchain endpoint, but the same routing broke proprietary
modchain_* RPCs (modchain_assets / modchain_lookupTxoBIP32 /
modchain_historyByAddress) which Infura, publicnode etc. don't
implement and reject with -32601:

  RPC error during modchain_assets:
  jsonrpc error -32601: The method modchain_assets does not exist
  / is not available

(Caught by the test-host integration tests on master.)

Two needs from the same Network:

  - General-purpose calls (eth_getBalance and friends) want the
    freshest responder — modchain when healthy, anything else when
    modchain falls behind. This is the freshness-picker's job.
  - Proprietary modchain_* methods ONLY work on the modchain
    endpoint. Stale modchain_assets just means "missing
    recently-acquired NFTs" — much less harmful than a stale
    balance, and there's no other provider that speaks the call
    anyway.

Add a second `modchainRPC` handle on Network alongside the
freshness-picked `validRPC`. DoRPCCtx checks the method prefix and
routes `modchain_*` to modchainRPC when available, everything else
to validRPC. Bitcoin family shares one handle for both since it
always goes through modchain anyway.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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