Use in-node chronik to power Cashtab
[] Do you need to change the shape of cashtabCache.tokens?New taskx
[] Remove ALL legacy mocks from Cashtab
[] Where doesOverhaul token cache -- store decimals, genesisInfo, and genesis date come fromblock. Do not store this info in tokenstats?wallet state tokens
[] Everything in token stats should be in token cacheSimplify `update` in `useWallet.js`
[] need to migrate token cache with this diff if you change the shapeRemove ALL legacy mocks from Cashtab
[] `update` in `useWallet.js` can be greatly simplified