Not sure where else to put this info, but Pelton did an article on ESPN estimating how much 1 WARP would cost this summer, compared to other summers:
"As a group, my projections for this summer's free agents show them providing around 240 wins above replacement player (WARP) in 2018-19. After factoring in the amount needed to fill out rosters with replacement-level players at the minimum salary, that leaves teams with about $1.75 million per WARP at the high end of projected spending, down to $1.15 million at the low end.
Naturally, this is a big change from recent seasons. Last summer, my projected cost of a win ranged from $2.7 million to $3.2 million and the actual figure ended up being $2.8 million. In the halcyon days of 2016, I projected a range between $3.3 million and $5 million per WARP before teams actually spent $3.8 million per WARP."
http://www.espn.com/nba/story/_/id/23940071/nba-free-agency-all-big-signings-winsPelton's system projects Smart's WARP at 18.3 over the next 3 years (total).
That means that Smart's contract would be projected to be 21-32 million over 3 years.
That means that his contract would be anywhere from 7-9 million a year for 3 years, or about the MLE.