Data Flow

From data origin → server fetch → render. Same result data, 4 upstream channels; server picks one by priority.

During comp

WCA Livelive entry by judges

serverGraphQL + Phoenix Channels subscription

↓delegate reviews + submits (hours~days)

After lock

WCA central DBcanonical source (server never queries directly)

WCA REST APIsnapshot

serverGET /api/v0/.../results

weekly .sql dump

↓

wca_dblocal PG mirror

serverlocal PG query< 50 ms

+historical PR detectionprior cumulative PB → PR badge alongside NR/CR/WR

Independent · CN

cubing.commain CN scorekeeping

serverWebSocket · 4 phases

server picks one of these 4

↓

UserGET /comp/<WCA ID>

↓

Priority

1Try wca_db locally — exclusive on hit, skip the rest
2Miss → parallel probe cubing.com / WCA Live / WCA REST
3Default: cubing + wca → wca · wca_live + wca → wca_live · single → that one

When multiple sources are available, UI shows a source toggle.

↓

Render comp page