48885f7902716c8c

feat: get GPU devices via FFI

A new FFI call (`util::get_gpu_devices()`) is introduced. It returns
the available GPUs as an array of strings.

0bec1136b2391304

fix(upstream): point to upstream master, not feature branch

057e6a4bacc197c9

ci(params): darwin doesn't need groth parameters

f8246a0ad75f89cf

update deps with bugfix

ebb3e13addf13059

feat(upstream): upgrade sapling crypto to 0.2.2 for perf

c330b51b7461a454

feat(upstream): upgrade sapling crypto to 0.2.1 for per

5224a4a45397f1e1

fix(cbindgen): roll back to 0.10.0 to avoid the libuchar dependency

1daafc160516e972

fix(crates): update to newest version of upstream

15eb66f92ad30d98

Merge pull request #4 from filecoin-project/unseal-range

feat(proofs): add unseal_range

f7ccfc081783a4d2

fix(tests): add tests for get unsealed range

- note that this commit won't pass until rust-fil-proofs #963 is resolved