Not sure he will hold up as a starter or much more than 20 MPG.
Warriors will know what their pick will be for about 2 months before free agency. They will have the draft just a couple of days before free agency begins
But they need to know the salary cap and luxury tax for next season as well as pre-draft combine, which are not yet determined.:
Aug. 20: NBA draft lottery
Aug. 31: Conference semifinals target date
TBD: Pre-draft combine
Sept. 15-28: Conference finals target date
Sept. 30: NBA Finals target date
Oct. 6: Last day to withdraw from the draft (international players)
Oct. 13: Last day of the NBA Finals
Oct. 16: NBA draft
TBD: Salary cap and luxury tax are set for 2020-21
Oct. 17: Last day for a team or player option to be exercised (5:00 PM ET)
Oct. 17: Last day for a player to receive a qualifying offer
Oct. 18: Free-agent negotiations can begin (6:00 p.m. ET)
Oct. 19-23: Free-agency moratorium (begins 12:01 a.m. ET)
First-round selections can sign contracts
Minimum contracts can be signed
Restricted free agents can sign an offer sheet
Third- and fourth-year rookie options can be exercised
Oct. 23: Free agency begins (12:00 p.m. ET)
Teams can sign free agents
Trades can become official
Rookie-scale and veteran contracts can be extended
Clock on offer sheets begins
https://www.espn.com/nba/story/_/id/29256760/2020-nba-restart-key-dates-playoffs-draft-free-agency-schedule