Prepare release 0.4.0-alpha (#368)

Author: mmagician

Cargo.toml

@@ -29,11 +29,3 @@ lto = "thin"
 incremental = true
 debug-assertions = true
 debug = true
-
-[patch.crates-io]
-ark-ff = { git = "https://github.com/arkworks-rs/algebra" }
-ark-ec = { git = "https://github.com/arkworks-rs/algebra" }
-ark-test-curves = { git = "https://github.com/arkworks-rs/algebra" }
-ark-std = { git = "https://github.com/arkworks-rs/std" }
-ark-serialize = { git = "https://github.com/arkworks-rs/algebra" }
-ark-poly = { git = "https://github.com/arkworks-rs/algebra" }

relations/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ark-relations"
-version = "0.3.0"
+version = "0.4.0-alpha.1"
 authors = [ "arkworks constributors" ]
 description = "A library for rank-one constraint systems"
 homepage = "https://arkworks.rs"
@@ -13,13 +13,13 @@ license = "MIT/Apache-2.0"
 edition = "2021"
 
 [dependencies]
-ark-ff = { version = "^0.3.0", default-features = false }
-ark-std = { version = "^0.3.0", default-features = false }
+ark-ff = { version = "0.4.0-alpha", default-features = false }
+ark-std = { version = "0.4.0-alpha", default-features = false }
 tracing = { version = "0.1", default-features = false }
 tracing-subscriber = { version = "0.2", default-features = false, optional = true }
 
 [dev-dependencies]
-ark-test-curves = { version = "^0.3.0", default-features = false, features = [ "bls12_381_scalar_field" ] }
+ark-test-curves = { version = "0.4.0-alpha", default-features = false, features = [ "bls12_381_scalar_field" ] }
 
 [features]
 default = []

snark/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ark-snark"
-version = "0.3.0"
+version = "0.4.0-alpha.1"
 authors = [ "arkworks contributors" ]
 description = "A library for SNARK traits"
 homepage = "https://arkworks.rs"
@@ -13,7 +13,7 @@ license = "MIT/Apache-2.0"
 edition = "2021"
 
 [dependencies]
-ark-ff = { version = "^0.3.0", default-features = false }
-ark-std = { version = "^0.3.0", default-features = false }
-ark-serialize = { version = "^0.3.0", default-features = false }
-ark-relations = { version = "^0.3.0", path = "../relations", default-features = false }
+ark-ff = { version = "0.4.0-alpha", default-features = false }
+ark-std = { version = "0.4.0-alpha", default-features = false }
+ark-serialize = { version = "0.4.0-alpha", default-features = false }
+ark-relations = { version = "0.4.0-alpha", path = "../relations", default-features = false }