KarpelesLab / libwallet / 25829843215

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solana: auto-discover the user's SPL tokens via Helius DAS on first asset list

Currently Solana SPL balances came from the standard
getTokenAccountsByOwner RPC which returns mints + raw balances, with
name/symbol resolved by the embedded curated registry; anything not
on that list rendered as a truncated mint ("EPjFW...EPjFW"). Users
whose addresses hold a long tail of legit tokens — anything outside
the curated ~3600 — saw them as "Unknown".

First Asset:list per (mainnet solana, owner) now also calls Helius
DAS getAssetsByOwner with showFungible:true to fetch the address's
fungibles enriched with on-chain metadata, and persists each non-spam
entry via wlttoken.EnsureToken. A per-(network, owner) config flag
gates the call so it only runs once. Best-effort: any failure is
logged and skipped; the flag stays unset so the next launch retries.

Spam filter is conservative (empty symbol, symbol > 12 chars, name >
64 chars, non-positive decimals) — rejects link-stuffer scams without
catching legitimate tokens. Tune-able as concrete patterns surface.

SolanaTokenBalances output is then enriched: each Asset's Name/Symbol
is overlaid with the matching Token-table row when present. So a
swap result, an airdrop discovered at launch, or a manual Token:create
all flow into the same display path — no more "Unknown" fallback when
we actually know what the token is.

Devnet/testnet are skipped; DAS coverage there is patchy.

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

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