Add 'zcash_history/' from commit 'e2c131fdc308265adcab774e54d4d5804c23b368'

git-subtree-dir: zcash_history
git-subtree-mainline: be0ee9eb82
git-subtree-split: e2c131fdc3

zcash_history/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "zcash_mmr"
+version = "0.1.0"
+authors = ["NikVolf <nikvolf@gmail.com>"]
+edition = "2018"
+
+[dev-dependencies]
+assert_matches = "1.3.0"
+quickcheck = "0.8"
+
+[dependencies]
+bigint = "4"
+byteorder = "1"
+blake2 = { package = "blake2b_simd", version = "0.5" }