Update libzcash_script to include support for V5 transactions

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "depend/zcash"]
+	path = depend/zcash
+	url = https://github.com/ZcashFoundation/zcashd.git

Cargo.toml

@@ -40,6 +40,8 @@ include = [
     "/depend/zcash/src/rust/include/",
     "/depend/zcash/src/secp256k1/include",
     "/depend/zcash/src/secp256k1",
+    "/depend/zcash/src/support/cleanse.cpp",
+    "/depend/zcash/src/support/cleanse.h",
 ]
 
 [lib]
@@ -50,8 +52,16 @@ path = "src/lib.rs"
 external-secp = []
 
 [dependencies]
-libc="0.2"
 blake2b_simd = "0.5.10"
+halo2 = "0.1.0-beta.1"
+incrementalmerkletree = "0.1"
+libc = "0.2"
+memuse = "0.2"
+orchard = "0.0"
+rand_core = "0.6"
+tracing = "0.1"
+zcash_note_encryption = "0.0"
+zcash_primitives = "0.5"
 
 [build-dependencies]
 cc = { version = ">= 1.0.36", features = ["parallel"] }
@@ -96,3 +106,9 @@ file="CHANGELOG.md"
 search="<!-- next-url -->"
 replace="<!-- next-url -->\n[Unreleased]: https://github.com/ZcashFoundation/{{crate_name}}/compare/{{tag_name}}...HEAD"
 exactly=1
+
+[patch.crates-io]
+incrementalmerkletree = { git = "https://github.com/zcash/incrementalmerkletree", rev = "b7bd6246122a6e9ace8edb51553fbf5228906cbb" }
+orchard = { git = "https://github.com/zcash/orchard.git", rev = "2c8241f25b943aa05203eacf9905db117c69bd29" }
+zcash_note_encryption = { git = "https://github.com/zcash/librustzcash.git", rev = "53d0a51d33a421cb76d3e3124d1e4c1c9036068e" }
+zcash_primitives = { git = "https://github.com/zcash/librustzcash.git", rev = "53d0a51d33a421cb76d3e3124d1e4c1c9036068e" }

build.rs

@@ -60,6 +60,9 @@ fn main() -> Result<()> {
         .flag_if_supported("-Wno-reorder")
         .flag_if_supported("-Wno-deprecated-copy")
         .flag_if_supported("-Wno-unused-parameter")
+        .flag_if_supported("-Wno-unused-variable")
+        .flag_if_supported("-Wno-ignored-qualifiers")
+        .flag_if_supported("-Wno-sign-compare")
         // when compiling using Microsoft Visual C++, ignore warnings about unused arguments
         .flag_if_supported("/wd4100")
         .define("HAVE_DECL_STRNLEN", "1")
@@ -89,6 +92,7 @@ fn main() -> Result<()> {
         .file("depend/zcash/src/script/interpreter.cpp")
         .file("depend/zcash/src/script/script.cpp")
         .file("depend/zcash/src/script/script_error.cpp")
+        .file("depend/zcash/src/support/cleanse.cpp")
         .compile("libzcash_script.a");
 
     Ok(())