feat(bench-001): add GMGN as a provider (Solana-only) + sync harness - #168
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GMGN's WebSocket pushes Solana chain-tip events (channel=chain_stat, gk='s', rs=ms:slot) sub-second. Adds it as the 4th provider on the head-lag bench. YAML: - New provider entry; queries deliberately omit chain= so per-tab filters auto-hide GMGN on Base/BNB and surface it on All/Solana. - Methodology + cardinality lines updated. Harness sync (matches private mobula-api/miniapps/aggregator-head-lag): - gmgn_monitor.go: chromedp cf_clearance mint + utls HelloChrome_120 ClientHello (h1-only ALPN) + WS subscribe + slot-event parser. - Dockerfile: chromium + minimal X/font libs for chromedp. - go.mod: utls + chromedp deps. - log_buffer.go, config.go, main.go: GMGN_PROXY env + startup banner + goroutine launch. Validated: bun run validate, typecheck, spec tests all green.
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Ships GMGN as the 4th provider on the head-lag bench. Bench-001 already has Mobula, Codex, GeckoTerminal — GMGN clocks ~115 ms head-lag p50 across the 3 regions (validated in mobula-api/miniapps/aggregator-head-lag deploy).
YAML changes (
benchmarks/aggregator-head-lag.yml)gmgnprovider entry with tag "WebSocket feed (Solana only)".chain=. lib/spec.tsinjectLabelswill addchain=base/chain=bnbon those tabs → Prom returns empty →tryLoadLiveskips the provider → GMGN auto-hidden on non-Solana tabs. "All chains" + "Solana" tabs show the provider.Harness sync (
harnesses/aggregator-head-lag/)The OCB public harness was stale vs the deployed mobula-api/miniapps version. Re-syncs:
gmgn_monitor.go(new): chromedp cf_clearance mint → utlsHelloChrome_120ClientHello with ALPN forced tohttp/1.1→ WS subscribechain_stat→ parsegk="s"rs/sc fields → emithead_lag_seconds{aggregator="gmgn",chain="solana"}.Dockerfile: chromium + minimal X/font libs (~200 MB image bump, idle whenGMGN_ENABLED!=true).go.mod/go.sum: utls + chromedp/fetch deps.config.go,main.go,log_buffer.gosynced with the private dir..gitignoreextended to drop the local./scriptbuild artifact.Validated locally:
bun run validate,bun run typecheck, spec tests all green; harnessgo build ./cmd/scriptclean.