diff --git a/.gitignore b/.gitignore
index c368d45..bb46a99 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 .stack-work/
-*~
\ No newline at end of file
+*~
+librustzcash-wrapper/target/
+stack.yaml.lock
diff --git a/librustzcash-wrapper/Cargo.lock b/librustzcash-wrapper/Cargo.lock
new file mode 100644
index 0000000..c5c6ca0
--- /dev/null
+++ b/librustzcash-wrapper/Cargo.lock
@@ -0,0 +1,434 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "ahash"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "version_check",
+]
+
+[[package]]
+name = "arrayref"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b4930d2cb77ce62f89ee5d5289b4ac049559b1c45539271f5ed4fdc7db34545"
+
+[[package]]
+name = "arrayvec"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
+
+[[package]]
+name = "bech32"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf9ff0bbfd639f15c74af777d81383cf53efb7c93613f6cab67c6c11e05bbf8b"
+
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "blake2b_simd"
+version = "1.0.1"
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+checksum = "3c2f0dc9a68c6317d884f97cc36cf5a3d20ba14ce404227df55e1af708ab04bc"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "constant_time_eq",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "borsh"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15bf3650200d8bffa99015595e10f1fbd17de07abbc25bb067da79e769939bfa"
+dependencies = [
+ "borsh-derive 0.9.3",
+ "hashbrown",
+]
+
+[[package]]
+name = "borsh"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4114279215a005bc675e386011e594e1d9b800918cea18fcadadcce864a2046b"
+dependencies = [
+ "borsh-derive 0.10.3",
+ "hashbrown",
+]
+
+[[package]]
+name = "borsh-derive"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6441c552f230375d18e3cc377677914d2ca2b0d36e52129fe15450a2dce46775"
+dependencies = [
+ "borsh-derive-internal 0.9.3",
+ "borsh-schema-derive-internal 0.9.3",
+ "proc-macro-crate",
+ "proc-macro2",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "borsh-derive"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0754613691538d51f329cce9af41d7b7ca150bc973056f1156611489475f54f7"
+dependencies = [
+ "borsh-derive-internal 0.10.3",
+ "borsh-schema-derive-internal 0.10.3",
+ "proc-macro-crate",
+ "proc-macro2",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "borsh-derive-internal"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
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+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afb438156919598d2c7bad7e1c0adf3d26ed3840dbc010db1a882a65583ca2fb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "borsh-schema-derive-internal"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdbd5696d8bfa21d53d9fe39a714a18538bad11492a42d066dbbc395fb1951c0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "borsh-schema-derive-internal"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "634205cc43f74a1b9046ef87c4540ebda95696ec0f315024860cad7c5b0f5ccd"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "bs58"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "771fe0050b883fcc3ea2359b1a96bcfbc090b7116eae7c3c512c7a083fdf23d3"
+dependencies = [
+ "sha2",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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+checksum = "280a9f2d8b3a38871a3c8a46fb80db65e5e5ed97da80c4d08bf27fb63e35e181"
+dependencies = [
+ "libc",
+]
+
+[[package]]
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+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "f4jumble"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a83e8d7fd0c526af4aad893b7c9fe41e2699ed8a776a6c74aecdeafe05afc75"
+dependencies = [
+ "blake2b_simd",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+dependencies = [
+ "ahash",
+]
+
+[[package]]
+name = "haskell-ffi"
+version = "0.1.0"
+source = "git+https://github.com/BeFunctional/haskell-rust-ffi.git?rev=2bf292e2e56eac8e9fb0fb2e1450cf4a4bd01274#2bf292e2e56eac8e9fb0fb2e1450cf4a4bd01274"
+dependencies = [
+ "bincode",
+ "borsh 0.9.3",
+ "haskell-ffi-derive",
+ "ref-cast",
+ "serde",
+]
+
+[[package]]
+name = "haskell-ffi-derive"
+version = "0.1.0"
+source = "git+https://github.com/BeFunctional/haskell-rust-ffi.git?rev=2bf292e2e56eac8e9fb0fb2e1450cf4a4bd01274#2bf292e2e56eac8e9fb0fb2e1450cf4a4bd01274"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9e591e719385e6ebaeb5ce5d3887f7d5676fceca6411d1925ccc95745f3d6f7"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d6ea3c4595b96363c13943497db34af4460fb474a95c43f4446ad341b8c9785"
+dependencies = [
+ "toml",
+]
+
+[[package]]
+name = "proc-macro2"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "ref-cast"
+version = "1.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f43faa91b1c8b36841ee70e97188a869d37ae21759da6846d4be66de5bf7b12c"
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+ "ref-cast-impl",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d2275aab483050ab2a7364c1a46604865ee7d6906684e08db0f090acf74f9e7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.13",
+]
+
+[[package]]
+name = "rustzcash-wrapper"
+version = "0.1.0"
+dependencies = [
+ "borsh 0.10.3",
+ "f4jumble",
+ "haskell-ffi",
+ "zcash_address",
+]
+
+[[package]]
+name = "serde"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c04e8343c3daeec41f58990b9d77068df31209f2af111e059e9fe9646693065"
+
+[[package]]
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+checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
+dependencies = [
+ "block-buffer",
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+ "opaque-debug",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c9da457c5285ac1f936ebd076af6dac17a61cfe7826f2076b4d015cf47bc8ec"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "toml"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "typenum"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
+
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
+name = "zcash_address"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "804268e702b664fc09d3e2ce82786d0addf4ae57ba6976469be63e09066bf9f7"
+dependencies = [
+ "bech32",
+ "bs58",
+ "f4jumble",
+ "zcash_encoding",
+]
+
+[[package]]
+name = "zcash_encoding"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f03391b81727875efa6ac0661a20883022b6fba92365dc121c48fa9b00c5aac0"
+dependencies = [
+ "byteorder",
+ "nonempty",
+]
diff --git a/librustzcash-wrapper/Cargo.toml b/librustzcash-wrapper/Cargo.toml
new file mode 100644
index 0000000..d26b3d0
--- /dev/null
+++ b/librustzcash-wrapper/Cargo.toml
@@ -0,0 +1,19 @@
+[package]
+name = "rustzcash-wrapper"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+haskell-ffi.git = "https://github.com/BeFunctional/haskell-rust-ffi.git"
+haskell-ffi.rev = "2bf292e2e56eac8e9fb0fb2e1450cf4a4bd01274"
+f4jumble = "0.1"
+zcash_address = "0.2.0"
+borsh = "0.10"
+
+[features]
+capi = []
+
+[package.metadata.capi.library]
+versioning = false
diff --git a/librustzcash-wrapper/cbindgen.toml b/librustzcash-wrapper/cbindgen.toml
new file mode 100644
index 0000000..96d4490
--- /dev/null
+++ b/librustzcash-wrapper/cbindgen.toml
@@ -0,0 +1,3 @@
+include_guard = "RUST_WRAPPER_H"
+include_version = false
+language = "C"
diff --git a/librustzcash-wrapper/src/lib.rs b/librustzcash-wrapper/src/lib.rs
new file mode 100644
index 0000000..696573b
--- /dev/null
+++ b/librustzcash-wrapper/src/lib.rs
@@ -0,0 +1,45 @@
+
+use std::{
+    marker::PhantomData,
+    io::Write,
+    fmt::{Debug, Display, Formatter}
+};
+
+use f4jumble;
+
+use borsh::{BorshDeserialize, BorshSerialize};
+use haskell_ffi::{
+    error::Result,
+    from_haskell::{marshall_from_haskell_var},
+    to_haskell::{marshall_to_haskell_var, marshall_to_haskell_fixed},
+    FromHaskell, HaskellSize, ToHaskell
+};
+
+use zcash_address::{
+    Network,
+    unified::{Address, Encoding}
+};
+
+pub enum RW {}
+pub const RW: PhantomData<RW> = PhantomData;
+
+
+#[no_mangle]
+pub extern "C" fn rust_wrapper_f4jumble(
+    input: *const u8,
+    input_len: usize,
+    out: *mut u8,
+    out_len: &mut usize) {
+    let input: Vec<u8> = marshall_from_haskell_var(input, input_len, RW);
+    let result = f4jumble::f4jumble(&input).unwrap();
+    marshall_to_haskell_var(&result, out, out_len, RW);
+}
+
+#[no_mangle]
+pub extern "C" fn rust_wrapper_ua_decode(
+    input: *const u8,
+    input_len: usize,) -> bool {
+    let input: String = marshall_from_haskell_var(input, input_len, RW);
+    Address::decode(&input).is_ok()
+    //marshall_to_haskell_var(&result, out, out_len, RW);
+}