diff --git a/Cargo.toml b/Cargo.toml
index 5d87e4f..249f6e3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,74 +4,13 @@ version = "0.1.0"
 edition = "2018"
 
 [dependencies]
-tower-grpc = { git = "https://github.com/tower-rs/tower-grpc" }
-futures = "0.1"
-bytes = "0.4"
-base58 = "0.1.0"
+rustyline = "5.0.2"
+clap = "2.33"
 log = "0.4"
 log4rs = "0.8.3"
-dirs = "2.0.2"
-http = "0.1"
-prost = "0.5"
-tokio = "0.1"
-tower-request-modifier = { git = "https://github.com/tower-rs/tower-http" }
-tower-util = "0.1"
-hex = "0.3"
-protobuf = "2"
-rustyline = "5.0.2"
-byteorder = "1"
-json = "0.12.0"
 shellwords = "1.0.0"
-tiny-bip39 = "0.6.2"
-clap = "2.33"
-secp256k1 = "=0.15.0"
-sha2 = "0.8.0"
-ripemd160 = "0.8.0"
-ring = "0.14.0"
-lazy_static = "1.2.0"
-tower-service = "0.2"
-tokio-rustls = "0.10.0-alpha.3"
-rustls = { version = "0.15.2", features = ["dangerous_configuration"] }
-webpki = "0.19.1"
-webpki-roots = "0.16.0"
-tower-h2 = { git = "https://github.com/tower-rs/tower-h2" }
-rust-embed = "5.1.0"
-rand = "0.7.2"
-
-[dependencies.bellman]
-git = "https://github.com/adityapk00/librustzcash.git"
-rev = "188537ea025fcb7fbdfc11266f307a084a5451e4"
-default-features = false
-features = ["groth16"]
-
-[dependencies.pairing]
-git = "https://github.com/adityapk00/librustzcash.git"
-rev = "188537ea025fcb7fbdfc11266f307a084a5451e4"
-
-[dependencies.zcash_client_backend]
-git = "https://github.com/adityapk00/librustzcash.git"
-rev = "188537ea025fcb7fbdfc11266f307a084a5451e4"
-default-features = false
-
-[dependencies.zcash_primitives]
-git = "https://github.com/adityapk00/librustzcash.git"
-rev = "188537ea025fcb7fbdfc11266f307a084a5451e4"
-default-features = false
-features = ["transparent-inputs"]
-
-[dependencies.zcash_proofs]
-git = "https://github.com/adityapk00/librustzcash.git"
-rev = "188537ea025fcb7fbdfc11266f307a084a5451e4"
-default-features = false
-
-[dependencies.ff]
-git = "https://github.com/adityapk00/librustzcash.git"
-rev = "188537ea025fcb7fbdfc11266f307a084a5451e4"
-features = ["ff_derive"]
-
-[build-dependencies]
-tower-grpc-build = { git = "https://github.com/tower-rs/tower-grpc",  features = ["tower-hyper"]  }
 
+zecwalletlitelib = { path = "./lib/" }
 
 
 [profile.release]
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
new file mode 100644
index 0000000..cec1775
--- /dev/null
+++ b/lib/Cargo.toml
@@ -0,0 +1,75 @@
+[package]
+name = "zecwalletlitelib"
+version = "0.1.0"
+edition = "2018"
+
+[dependencies]
+tower-grpc = { git = "https://github.com/tower-rs/tower-grpc" }
+futures = "0.1"
+bytes = "0.4"
+base58 = "0.1.0"
+log = "0.4"
+log4rs = "0.8.3"
+dirs = "2.0.2"
+http = "0.1"
+prost = "0.5"
+tokio = "0.1"
+tower-request-modifier = { git = "https://github.com/tower-rs/tower-http" }
+tower-util = "0.1"
+hex = "0.3"
+protobuf = "2"
+byteorder = "1"
+rand = "0.5.6"
+json = "0.12.0"
+tiny-bip39 = "0.6.2"
+secp256k1 = "=0.15.0"
+sha2 = "0.8.0"
+ripemd160 = "0.8.0"
+ring = "0.14.0"
+lazy_static = "1.2.0"
+tower-service = "0.2"
+tokio-rustls = "0.10.0-alpha.3"
+webpki = "0.19.1"
+webpki-roots = "0.16.0"
+tower-h2 = { git = "https://github.com/tower-rs/tower-h2" }
+rust-embed = "5.1.0"
+
+[dependencies.bellman]
+git = "https://github.com/adityapk00/librustzcash.git"
+rev = "0743dadcd017b60a0ac7123d04f0d6e7ce1e8016"
+default-features = false
+features = ["groth16"]
+
+[dependencies.pairing]
+git = "https://github.com/adityapk00/librustzcash.git"
+rev = "0743dadcd017b60a0ac7123d04f0d6e7ce1e8016"
+
+[dependencies.zcash_client_backend]
+git = "https://github.com/adityapk00/librustzcash.git"
+rev = "0743dadcd017b60a0ac7123d04f0d6e7ce1e8016"
+default-features = false
+
+[dependencies.zcash_primitives]
+git = "https://github.com/adityapk00/librustzcash.git"
+rev = "0743dadcd017b60a0ac7123d04f0d6e7ce1e8016"
+default-features = false
+features = ["transparent-inputs"]
+
+[dependencies.zcash_proofs]
+git = "https://github.com/adityapk00/librustzcash.git"
+rev = "0743dadcd017b60a0ac7123d04f0d6e7ce1e8016"
+default-features = false
+
+[dependencies.ff]
+git = "https://github.com/adityapk00/librustzcash.git"
+rev = "0743dadcd017b60a0ac7123d04f0d6e7ce1e8016"
+features = ["ff_derive"]
+
+[build-dependencies]
+tower-grpc-build = { git = "https://github.com/tower-rs/tower-grpc",  features = ["tower-hyper"]  }
+
+[dev-dependencies]
+rand_core = "0.5.1"
+
+[profile.release]
+debug = false
\ No newline at end of file
diff --git a/build.rs b/lib/build.rs
similarity index 100%
rename from build.rs
rename to lib/build.rs
diff --git a/proto/compact_formats.proto b/lib/proto/compact_formats.proto
similarity index 100%
rename from proto/compact_formats.proto
rename to lib/proto/compact_formats.proto
diff --git a/proto/service.proto b/lib/proto/service.proto
similarity index 100%
rename from proto/service.proto
rename to lib/proto/service.proto
diff --git a/src/commands.rs b/lib/src/commands.rs
similarity index 99%
rename from src/commands.rs
rename to lib/src/commands.rs
index e7e627f..c9c3e8d 100644
--- a/src/commands.rs
+++ b/lib/src/commands.rs
@@ -1,7 +1,7 @@
 use std::collections::HashMap;
 use json::{object};
 
-use crate::LightClient;
+use crate::lightclient::LightClient;
 
 pub trait Command {
     fn help(&self) -> String;
diff --git a/src/grpcconnector.rs b/lib/src/grpcconnector.rs
similarity index 100%
rename from src/grpcconnector.rs
rename to lib/src/grpcconnector.rs
diff --git a/lib/src/lib.rs b/lib/src/lib.rs
new file mode 100644
index 0000000..3e4fe27
--- /dev/null
+++ b/lib/src/lib.rs
@@ -0,0 +1,19 @@
+#[macro_use]
+extern crate rust_embed;
+
+pub mod lightclient;
+pub mod grpcconnector;
+pub mod lightwallet;
+pub mod commands;
+
+
+#[derive(RustEmbed)]
+#[folder = "zcash-params/"]
+pub struct SaplingParams;
+
+pub const ANCHOR_OFFSET: u32 = 4;
+
+
+pub mod grpc_client {
+    include!(concat!(env!("OUT_DIR"), "/cash.z.wallet.sdk.rpc.rs"));
+}
diff --git a/src/lightclient.rs b/lib/src/lightclient.rs
similarity index 100%
rename from src/lightclient.rs
rename to lib/src/lightclient.rs
diff --git a/src/lightwallet.rs b/lib/src/lightwallet.rs
similarity index 99%
rename from src/lightwallet.rs
rename to lib/src/lightwallet.rs
index f9fe0bb..b795f59 100644
--- a/src/lightwallet.rs
+++ b/lib/src/lightwallet.rs
@@ -40,7 +40,7 @@ use zcash_primitives::{
 };
 
 
-use crate::{LightClientConfig};
+use crate::lightclient::{LightClientConfig};
 
 mod data;
 mod extended_key;
@@ -1308,7 +1308,7 @@ pub mod tests {
     use sha2::{Sha256, Digest};
 
     use super::LightWallet;
-    use crate::LightClientConfig;
+    use super::LightClientConfig;
     use secp256k1::{Secp256k1, key::PublicKey, key::SecretKey};
     use crate::SaplingParams;
 
diff --git a/src/lightwallet/address.rs b/lib/src/lightwallet/address.rs
similarity index 100%
rename from src/lightwallet/address.rs
rename to lib/src/lightwallet/address.rs
diff --git a/src/lightwallet/data.rs b/lib/src/lightwallet/data.rs
similarity index 100%
rename from src/lightwallet/data.rs
rename to lib/src/lightwallet/data.rs
diff --git a/src/lightwallet/extended_key.rs b/lib/src/lightwallet/extended_key.rs
similarity index 70%
rename from src/lightwallet/extended_key.rs
rename to lib/src/lightwallet/extended_key.rs
index 058b3b7..a6cba82 100644
--- a/src/lightwallet/extended_key.rs
+++ b/lib/src/lightwallet/extended_key.rs
@@ -27,17 +27,6 @@ pub enum KeyIndex {
 impl KeyIndex {
     
     /// Check index range.
-    ///
-    /// # Examples
-    ///
-    /// ```rust
-    /// # extern crate hdwallet;
-    /// use hdwallet::KeyIndex;
-    ///
-    /// assert!(KeyIndex::Normal(0).is_valid());
-    /// assert!(!KeyIndex::Normal(2_147_483_648).is_valid());
-    /// assert!(KeyIndex::Hardened(2_147_483_648).is_valid());
-    /// ```
     pub fn is_valid(self) -> bool {
         match self {
             KeyIndex::Normal(i) => i < HARDENED_KEY_START_INDEX,
@@ -46,20 +35,6 @@ impl KeyIndex {
     }
 
     /// Generate Hardened KeyIndex from normalize index value.
-    ///
-    /// # Examples
-    ///
-    /// ```rust
-    /// # extern crate hdwallet;
-    /// use hdwallet::KeyIndex;
-    ///
-    /// // hardended key from zero
-    /// let hardened_index_zero = KeyIndex::hardened_from_normalize_index(0).unwrap();
-    /// assert_eq!(hardened_index_zero, KeyIndex::Hardened(2_147_483_648));
-    /// // also allow raw index for convernient
-    /// let hardened_index_zero = KeyIndex::hardened_from_normalize_index(2_147_483_648).unwrap();
-    /// assert_eq!(hardened_index_zero, KeyIndex::Hardened(2_147_483_648));
-    /// ```
     pub fn hardened_from_normalize_index(i: u32) -> Result<KeyIndex, Error> {
         if i < HARDENED_KEY_START_INDEX {
             Ok(KeyIndex::Hardened(HARDENED_KEY_START_INDEX + i))
@@ -69,18 +44,6 @@ impl KeyIndex {
     }
 
     /// Generate KeyIndex from raw index value.
-    ///
-    /// # Examples
-    ///
-    /// ```rust
-    /// # extern crate hdwallet;
-    /// use hdwallet::KeyIndex;
-    ///
-    /// let normal_key = KeyIndex::from_index(0).unwrap();
-    /// assert_eq!(normal_key, KeyIndex::Normal(0));
-    /// let hardened_key = KeyIndex::from_index(2_147_483_648).unwrap();
-    /// assert_eq!(hardened_key, KeyIndex::Hardened(2_147_483_648));
-    /// ```
     pub fn from_index(i: u32) -> Result<Self, Error> {
         if i < HARDENED_KEY_START_INDEX {
             Ok(KeyIndex::Normal(i))
@@ -99,19 +62,6 @@ impl From<u32> for KeyIndex {
 
 /// ExtendedPrivKey is used for child key derivation.
 /// See [secp256k1 crate documentation](https://docs.rs/secp256k1) for SecretKey signatures usage.
-///
-/// # Examples
-///
-/// ```rust
-/// # extern crate hdwallet;
-/// use hdwallet::{ExtendedPrivKey, KeyIndex};
-///
-/// let master_key = ExtendedPrivKey::random().unwrap();
-/// let hardened_key_index = KeyIndex::hardened_from_normalize_index(0).unwrap();
-/// let hardended_child_priv_key = master_key.derive_private_key(hardened_key_index).unwrap();
-/// let normal_key_index = KeyIndex::Normal(0);
-/// let noamal_child_priv_key = master_key.derive_private_key(normal_key_index).unwrap();
-/// ```
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct ExtendedPrivKey {
     pub private_key: SecretKey,
diff --git a/src/lightwallet/prover.rs b/lib/src/lightwallet/prover.rs
similarity index 100%
rename from src/lightwallet/prover.rs
rename to lib/src/lightwallet/prover.rs
diff --git a/src/lightwallet/utils.rs b/lib/src/lightwallet/utils.rs
similarity index 100%
rename from src/lightwallet/utils.rs
rename to lib/src/lightwallet/utils.rs
diff --git a/lib/zcash-params/sapling-output.params b/lib/zcash-params/sapling-output.params
new file mode 100644
index 0000000..01760fa
Binary files /dev/null and b/lib/zcash-params/sapling-output.params differ
diff --git a/lib/zcash-params/sapling-spend.params b/lib/zcash-params/sapling-spend.params
new file mode 100644
index 0000000..b91cd77
Binary files /dev/null and b/lib/zcash-params/sapling-spend.params differ
diff --git a/src/main.rs b/src/main.rs
index c8483f5..c23f152 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,17 +1,12 @@
-#[macro_use]
-extern crate rust_embed;
-
-mod lightclient;
-mod grpcconnector;
-mod lightwallet;
-mod commands;
-
 use std::io::{Result, Error, ErrorKind};
 use std::sync::{Arc};
 use std::sync::mpsc::{channel, Sender, Receiver};
 use std::time::Duration;
 
-use lightclient::{LightClient, LightClientConfig};
+use zecwalletlitelib::{grpcconnector, commands, 
+    lightclient::{self, LightClient, LightClientConfig},
+    ANCHOR_OFFSET,
+};
 
 use log::{info, error, LevelFilter};
 use log4rs::append::rolling_file::RollingFileAppender;
@@ -29,15 +24,6 @@ use rustyline::Editor;
 
 use clap::{Arg, App};
 
-pub mod grpc_client {
-    include!(concat!(env!("OUT_DIR"), "/cash.z.wallet.sdk.rpc.rs"));
-}
-
-#[derive(RustEmbed)]
-#[folder = "zcash-params/"]
-pub struct SaplingParams;
-
-const ANCHOR_OFFSET: u32 = 4;
 
 /// Build the Logging config
 fn get_log_config(config: &LightClientConfig) -> Result<Config> {