diff --git a/app/Cargo.lock b/app/Cargo.lock
index e96ba72..3b0a8f3 100644
--- a/app/Cargo.lock
+++ b/app/Cargo.lock
@@ -13,9 +13,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.72"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
 
 [[package]]
 name = "cmake"
@@ -34,51 +34,51 @@ checksum = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
 
 [[package]]
 name = "itoa"
-version = "1.0.1"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
+checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"
 
 [[package]]
 name = "libc"
-version = "0.2.112"
+version = "0.2.132"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.36"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+checksum = "0a2ca2c61bc9f3d74d2886294ab7b9853abd9c1ad903a3ac7815c58989bb7bab"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.14"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47aa80447ce4daf1717500037052af176af5d38cc3e571d9ec1c7353fc10c87d"
+checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.9"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
+checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
 
 [[package]]
 name = "serde"
-version = "1.0.133"
+version = "1.0.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97565067517b60e2d1ea8b268e59ce036de907ac523ad83a0475da04e818989a"
+checksum = "0f747710de3dcd43b88c9168773254e809d8ddbdf9653b84e2554ab219f17860"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.133"
+version = "1.0.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed201699328568d8d08208fdd080e3ff594e6c422e438b6705905da01005d537"
+checksum = "94ed3a816fb1d101812f83e789f888322c34e291f894f19590dc310963e87a00"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -87,9 +87,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.74"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2bb9cd061c5865d345bb02ca49fcef1391741b672b54a0bf7b679badec3142"
+checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
 dependencies = [
  "itoa",
  "ryu",
@@ -98,13 +98,13 @@ dependencies = [
 
 [[package]]
 name = "sgx_types"
-version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+version = "1.1.5"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git#c70a82f708fd20e9fd0377990dde097d14024f7a"
 
 [[package]]
 name = "sgx_urts"
-version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+version = "1.1.5"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git#c70a82f708fd20e9fd0377990dde097d14024f7a"
 dependencies = [
  "libc",
  "sgx_types",
@@ -112,20 +112,20 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.85"
+version = "1.0.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a684ac3dcd8913827e18cd09a68384ee66c1de24157e3c556c9ab16d85695fb7"
+checksum = "58dbef6ec655055e20b86b15a8cc6d439cca19b667537ac6a1369572d151ab13"
 dependencies = [
  "proc-macro2",
  "quote",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.2"
+name = "unicode-ident"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"
 
 [[package]]
 name = "wabt"
diff --git a/app/src/main.rs b/app/src/main.rs
index 09e4c7b..0c55319 100644
--- a/app/src/main.rs
+++ b/app/src/main.rs
@@ -33,7 +33,7 @@ extern "C" {
         retval: *mut sgx_status_t,
         binary: *const u8,
         binary_len: usize,
-        result_out: *mut i32,
+        result_out: *mut f64,
     ) -> sgx_status_t;
 }
 
@@ -72,7 +72,7 @@ fn main() {
 
     let binary = fs::read(WASM_FILE).unwrap();
 
-    let mut result_out = 0i32;
+    let mut result_out = 0f64;
 
     let result = unsafe {
         exec_wasm_test(
diff --git a/enclave/Cargo.lock b/enclave/Cargo.lock
index 77d287d..a0d48ea 100644
--- a/enclave/Cargo.lock
+++ b/enclave/Cargo.lock
@@ -4,15 +4,15 @@ version = 3
 
 [[package]]
 name = "autocfg"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "cc"
-version = "1.0.72"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
 
 [[package]]
 name = "downcast-rs"
@@ -23,13 +23,19 @@ checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650"
 [[package]]
 name = "hashbrown_tstd"
 version = "0.11.2"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
+
+[[package]]
+name = "itoa"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"
 
 [[package]]
 name = "libm"
-version = "0.2.1"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7d73b3f436185384286bd8098d17ec07c9a7d2388a6599f824d8502b529702a"
+checksum = "292a948cd991e376cf75541fe5b97a1081d713c618b4f1b9500f8844e49eb565"
 
 [[package]]
 name = "memory_units"
@@ -50,9 +56,9 @@ dependencies = [
 
 [[package]]
 name = "num-integer"
-version = "0.1.44"
+version = "0.1.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
 dependencies = [
  "autocfg",
  "num-traits",
@@ -60,9 +66,9 @@ dependencies = [
 
 [[package]]
 name = "num-rational"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d41702bd167c2df5520b384281bc111a4b5efcf7fbc4c9c222c815b07e0a6a6a"
+checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
 dependencies = [
  "autocfg",
  "num-bigint",
@@ -72,9 +78,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
 dependencies = [
  "autocfg",
 ]
@@ -85,15 +91,47 @@ version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be5e13c266502aadf83426d87d81a0f5d1ef45b8027f5a471c360abfe4bfae92"
 
+[[package]]
+name = "ryu"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
+
+[[package]]
+name = "serde"
+version = "1.0.144"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f747710de3dcd43b88c9168773254e809d8ddbdf9653b84e2554ab219f17860"
+
+[[package]]
+name = "serde-json-wasm"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "042ac496d97e5885149d34139bad1d617192770d7eb8f1866da2317ff4501853"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.85"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "sgx_alloc"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 
 [[package]]
 name = "sgx_backtrace_sys"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "cc",
  "sgx_build_helper",
@@ -103,17 +141,17 @@ dependencies = [
 [[package]]
 name = "sgx_build_helper"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 
 [[package]]
 name = "sgx_demangle"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 
 [[package]]
 name = "sgx_libc"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "sgx_types",
 ]
@@ -121,7 +159,7 @@ dependencies = [
 [[package]]
 name = "sgx_serialize"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "sgx_tstd",
 ]
@@ -129,7 +167,7 @@ dependencies = [
 [[package]]
 name = "sgx_tcrypto"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "sgx_types",
 ]
@@ -137,7 +175,7 @@ dependencies = [
 [[package]]
 name = "sgx_tprotected_fs"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "sgx_trts",
  "sgx_types",
@@ -146,7 +184,7 @@ dependencies = [
 [[package]]
 name = "sgx_trts"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "sgx_libc",
  "sgx_types",
@@ -155,7 +193,7 @@ dependencies = [
 [[package]]
 name = "sgx_tse"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "sgx_types",
 ]
@@ -163,7 +201,7 @@ dependencies = [
 [[package]]
 name = "sgx_tseal"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "sgx_tcrypto",
  "sgx_trts",
@@ -174,7 +212,7 @@ dependencies = [
 [[package]]
 name = "sgx_tstd"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "hashbrown_tstd",
  "sgx_alloc",
@@ -190,12 +228,12 @@ dependencies = [
 [[package]]
 name = "sgx_types"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 
 [[package]]
 name = "sgx_unwind"
 version = "1.1.4"
-source = "git+https://github.com/apache/teaclave-sgx-sdk.git#565960cd7b4b36d1188459d75652619971c43f7e"
+source = "git+https://github.com/apache/teaclave-sgx-sdk.git?rev=e8a9fc22939befa27ff67f5509b2c2dfe8499945#e8a9fc22939befa27ff67f5509b2c2dfe8499945"
 dependencies = [
  "sgx_build_helper",
 ]
@@ -204,6 +242,8 @@ dependencies = [
 name = "template"
 version = "1.0.0"
 dependencies = [
+ "serde-json-wasm",
+ "serde_json",
  "sgx_alloc",
  "sgx_libc",
  "sgx_serialize",
diff --git a/enclave/Cargo.toml b/enclave/Cargo.toml
index 5b9cbd7..34e6852 100644
--- a/enclave/Cargo.toml
+++ b/enclave/Cargo.toml
@@ -13,15 +13,17 @@ default = []
 [dependencies]
 wasmi-impl = { path = "../wasmi-impl" }
 wasmi = { version = "0.11.0", default-features = false }
+serde-json-wasm = "0.3.2"
+serde_json = { version = "1.0", default-features = false, features = ["alloc"] }
 
 [target.'cfg(not(target_env = "sgx"))'.dependencies] # You can remove what you don't need, except types and tstd
-sgx_types = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }
-sgx_tstd = { git = "https://github.com/apache/teaclave-sgx-sdk.git", features = ["backtrace"] }
-sgx_tcrypto = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }
-sgx_trts = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }
-sgx_tseal = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }
-sgx_serialize = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }
-sgx_alloc = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }
-sgx_libc = { git = "https://github.com/apache/teaclave-sgx-sdk.git" }
+sgx_types = { git = "https://github.com/apache/teaclave-sgx-sdk.git" , rev = "e8a9fc22939befa27ff67f5509b2c2dfe8499945" }
+sgx_tstd = { git = "https://github.com/apache/teaclave-sgx-sdk.git", features = ["backtrace"], rev = "e8a9fc22939befa27ff67f5509b2c2dfe8499945" }
+sgx_tcrypto = { git = "https://github.com/apache/teaclave-sgx-sdk.git" , rev = "e8a9fc22939befa27ff67f5509b2c2dfe8499945" }
+sgx_trts = { git = "https://github.com/apache/teaclave-sgx-sdk.git" , rev = "e8a9fc22939befa27ff67f5509b2c2dfe8499945" }
+sgx_tseal = { git = "https://github.com/apache/teaclave-sgx-sdk.git" , rev = "e8a9fc22939befa27ff67f5509b2c2dfe8499945" }
+sgx_serialize = { git = "https://github.com/apache/teaclave-sgx-sdk.git" , rev = "e8a9fc22939befa27ff67f5509b2c2dfe8499945" }
+sgx_alloc = { git = "https://github.com/apache/teaclave-sgx-sdk.git" , rev = "e8a9fc22939befa27ff67f5509b2c2dfe8499945" }
+sgx_libc = { git = "https://github.com/apache/teaclave-sgx-sdk.git" , rev = "e8a9fc22939befa27ff67f5509b2c2dfe8499945" }
 
 [patch.'https://github.com/apache/teaclave-sgx-sdk.git']
\ No newline at end of file
diff --git a/enclave/Enclave.config.xml b/enclave/Enclave.config.xml
index 67acf14..9f3b182 100644
--- a/enclave/Enclave.config.xml
+++ b/enclave/Enclave.config.xml
@@ -2,8 +2,8 @@
 <EnclaveConfiguration>
   <ProdID>0</ProdID>
   <ISVSVN>0</ISVSVN>
-  <StackMaxSize>0x640000</StackMaxSize>
-  <HeapMaxSize>0x6400000</HeapMaxSize>
+  <StackMaxSize>0x19999000</StackMaxSize>
+  <HeapMaxSize>0x99990000</HeapMaxSize>
   <TCSNum>1</TCSNum>
   <TCSPolicy>1</TCSPolicy>
   <DisableDebug>0</DisableDebug>
diff --git a/enclave/Enclave.edl b/enclave/Enclave.edl
index 0963254..34b7947 100644
--- a/enclave/Enclave.edl
+++ b/enclave/Enclave.edl
@@ -26,7 +26,7 @@ enclave {
     trusted
     {
         /* ECALLs */
-        public sgx_status_t exec_wasm_test([in, count=binary_len] const uint8_t* binary, size_t binary_len, [out] int32_t* result_out);
+        public sgx_status_t exec_wasm_test([in, count=binary_len] const uint8_t* binary, size_t binary_len, [out] double* result_out);
     };
     untrusted
     {
diff --git a/enclave/src/lib.rs b/enclave/src/lib.rs
index 27fd797..a3f1124 100644
--- a/enclave/src/lib.rs
+++ b/enclave/src/lib.rs
@@ -24,14 +24,16 @@
 
 extern crate sgx_types;
 #[cfg(not(target_env = "sgx"))]
-#[macro_use]
 extern crate sgx_tstd as std;
 extern crate wasmi;
 extern crate wasmi_impl;
+extern crate serde_json;
 
 use sgx_types::*;
-use std::io::{self, Write};
 use std::slice;
+use std::vec;
+use std::{format, println};
+use serde_json::Value;
 
 /// # Safety
 /// The caller needs to ensure that `binary` is a valid pointer to a slice valid for `binary_len` items
@@ -40,17 +42,23 @@ use std::slice;
 pub unsafe extern "C" fn exec_wasm_test(
     binary: *const u8,
     binary_len: usize,
-    result_out: *mut i32,
+    result_out: *mut f64,
 ) -> sgx_status_t {
     if binary.is_null() {
         return sgx_status_t::SGX_ERROR_INVALID_PARAMETER;
     }
     // Safety: SGX generated code will check that the pointer is valid.
     let binary_slice = unsafe { slice::from_raw_parts(binary, binary_len) };
-    let data = b"[1,2,3,4,5]";
+
+    // TODO: Unsealing operation - waiting on sealing functionality
+
+    let import_data: vec::Vec<f64> =  vec![1.24,2.0,3.4,4.7,5.5,10.5];
+    let data_string = format!("{:?}",import_data);
+    let data_slice = data_string.as_str().as_bytes();
+
     unsafe {
-        *result_out = match wasmi_impl::exec_wasm_with_data(binary_slice, data) {
-            Ok(Some(wasmi::RuntimeValue::I32(ret))) => ret,
+        *result_out = match wasmi_impl::exec_wasm_with_data(binary_slice, data_slice) {
+            Ok(Some(wasmi::RuntimeValue::F64(ret))) => ret.to_float(),
             Ok(_) | Err(_) => return sgx_status_t::SGX_ERROR_UNEXPECTED,
         }
     };
diff --git a/get-median-wasm/Cargo.lock b/get-median-wasm/Cargo.lock
index 789a7b9..c4c4c1f 100644
--- a/get-median-wasm/Cargo.lock
+++ b/get-median-wasm/Cargo.lock
@@ -2,18 +2,275 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "0.7.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "atomic-polyfill"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c041a8d9751a520ee19656232a18971f18946a7900f1520ee4400002244dd89"
+dependencies = [
+ "critical-section",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
+name = "bare-metal"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
+dependencies = [
+ "rustc_version 0.2.3",
+]
+
+[[package]]
+name = "bare-metal"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8fe8f5a8a398345e52358e18ff07cc17a568fbca5c6f73873d3a62056309603"
+
+[[package]]
+name = "bit_field"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcb6dd1c2376d2e096796e234a70e17e94cc2d5d54ff8ce42b28cef1d0d359a4"
+
+[[package]]
+name = "bitfield"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
+
+[[package]]
+name = "byteorder"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "cortex-m"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70858629a458fdfd39f9675c4dc309411f2a3f83bede76988d81bf1a0ecee9e0"
+dependencies = [
+ "bare-metal 0.2.5",
+ "bitfield",
+ "embedded-hal",
+ "volatile-register",
+]
+
+[[package]]
+name = "critical-section"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95da181745b56d4bd339530ec393508910c909c784e8962d15d722bacf0bcbcd"
+dependencies = [
+ "bare-metal 1.0.0",
+ "cfg-if",
+ "cortex-m",
+ "riscv",
+]
+
+[[package]]
+name = "embedded-hal"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35949884794ad573cf46071e41c9b60efb0cb311e3ca01f7af807af1debc66ff"
+dependencies = [
+ "nb 0.1.3",
+ "void",
+]
+
 [[package]]
 name = "get-median-wasm"
 version = "0.1.0"
 dependencies = [
+ "serde-json-core",
  "serde-json-wasm",
 ]
 
+[[package]]
+name = "hash32"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0c35f58762feb77d74ebe43bdbc3210f09be9fe6742234d573bacc26ed92b67"
+dependencies = [
+ "byteorder",
+]
+
+[[package]]
+name = "heapless"
+version = "0.7.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
+dependencies = [
+ "atomic-polyfill",
+ "hash32",
+ "rustc_version 0.4.0",
+ "spin",
+ "stable_deref_trait",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "lock_api"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
+[[package]]
+name = "memchr"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+
+[[package]]
+name = "nb"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "801d31da0513b6ec5214e9bf433a77966320625a37860f910be265be6e18d06f"
+dependencies = [
+ "nb 1.0.0",
+]
+
+[[package]]
+name = "nb"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "546c37ac5d9e56f55e73b677106873d9d9f5190605e41a856503623648488cae"
+
+[[package]]
+name = "regex"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
+
+[[package]]
+name = "riscv"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6907ccdd7a31012b70faf2af85cd9e5ba97657cc3987c4f13f8e4d2c2a088aba"
+dependencies = [
+ "bare-metal 1.0.0",
+ "bit_field",
+ "riscv-target",
+]
+
+[[package]]
+name = "riscv-target"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88aa938cda42a0cf62a20cfe8d139ff1af20c2e681212b5b34adb5a58333f222"
+dependencies = [
+ "lazy_static",
+ "regex",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver 0.9.0",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver 1.0.13",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
+
+[[package]]
+name = "scopeguard"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver"
+version = "1.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93f6841e709003d68bb2deee8c343572bf446003ec20a583e76f7b15cebf3711"
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "serde"
-version = "1.0.133"
+version = "1.0.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97565067517b60e2d1ea8b268e59ce036de907ac523ad83a0475da04e818989a"
+checksum = "53e8e5d5b70924f74ff5c6d64d9a5acd91422117c60f48c4e07855238a254553"
+
+[[package]]
+name = "serde-json-core"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8014aeea272bca0f0779778d43253f2f3375b414185b30e6ecc4d3e4a9994781"
+dependencies = [
+ "heapless",
+ "ryu",
+ "serde",
+]
 
 [[package]]
 name = "serde-json-wasm"
@@ -23,3 +280,39 @@ checksum = "042ac496d97e5885149d34139bad1d617192770d7eb8f1866da2317ff4501853"
 dependencies = [
  "serde",
 ]
+
+[[package]]
+name = "spin"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f6002a767bff9e83f8eeecf883ecb8011875a21ae8da43bffb817a57e78cc09"
+dependencies = [
+ "lock_api",
+]
+
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
+[[package]]
+name = "vcell"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77439c1b53d2303b20d9459b1ade71a83c716e3f9c34f3228c00e6f185d6c002"
+
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+
+[[package]]
+name = "volatile-register"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ee8f19f9d74293faf70901bc20ad067dc1ad390d2cbf1e3f75f721ffee908b6"
+dependencies = [
+ "vcell",
+]
diff --git a/get-median-wasm/Cargo.toml b/get-median-wasm/Cargo.toml
index 9c3bc11..cac94d0 100644
--- a/get-median-wasm/Cargo.toml
+++ b/get-median-wasm/Cargo.toml
@@ -10,6 +10,7 @@ crate-type = ['cdylib']
 
 [dependencies]
 serde-json-wasm = "0.3.2"
+serde-json-core = "0.4.0"
 # serde_derive = { version = "1.0.133", default-features = false }
 # serde = { version = "1.0.133", default-features = false }
 
diff --git a/get-median-wasm/src/lib.rs b/get-median-wasm/src/lib.rs
index dbc7bd5..b341b03 100644
--- a/get-median-wasm/src/lib.rs
+++ b/get-median-wasm/src/lib.rs
@@ -2,21 +2,23 @@
 #![deny(unsafe_op_in_unsafe_fn)]
 use core::slice;
 
-/// Calculates the median of an array of integers passed in as a JSON array. Return value will be rounded down.
+/// Calculates the median of an array of floats passed in as a JSON array.
 ///
 /// # Safety
 /// The caller needs to ensure that `msg` is a valid pointer, and points to a slice with `msg_len` items
 #[no_mangle]
-pub unsafe extern "C" fn exec(msg: *const u8, msg_len: u32) -> i32 {
+pub unsafe extern "C" fn exec(msg: *const u8, msg_len: u32) -> f64 {
     let x = unsafe { slice::from_raw_parts(msg, msg_len as usize) };
-    let mut val: Vec<i32> = serde_json_wasm::from_slice(x).unwrap();
 
-    val.sort_unstable();
+    //TODO - Fix error handling
+    let mut val: Vec<f64> = serde_json_core::from_slice(&x).unwrap().0;
+
+    val.sort_by(|a, b| a.partial_cmp(b).unwrap());
 
     let val_len = val.len();
     if val_len % 2 == 0 {
         let mid = val_len / 2;
-        (val[mid - 1] + val[mid]) / 2
+        (val[mid - 1] + val[mid]) / 2.0
     } else {
         let mid = (val_len + 1) / 2;
         val[mid - 1]
@@ -29,17 +31,17 @@ mod tests {
 
     #[test]
     fn it_works_odd() {
-        let data = b"[8, 6, 3, 3, 7, 1, 9]";
+        let data = b"[8.0, 6.0, 3.0, 3.0, 7.0, 1.0, 9.0]";
 
         let res = unsafe { exec(data.as_ptr(), data.len() as u32) };
-        assert_eq!(res, 6);
+        assert_eq!(res, 6.0);
     }
 
     #[test]
     fn it_works_even() {
-        let data = b"[5, 2, 3, 1, 7, 6, 4, 9]";
+        let data = b"[5.0, 2.0, 3.0, 1.0, 7.0, 6.0, 4.0, 9.0]";
 
         let res = unsafe { exec(data.as_ptr(), data.len() as u32) };
-        assert_eq!(res, 4);
+        assert_eq!(res, 4.5);
     }
 }
diff --git a/wasmi-impl/src/lib.rs b/wasmi-impl/src/lib.rs
index 9b598a7..b00409b 100644
--- a/wasmi-impl/src/lib.rs
+++ b/wasmi-impl/src/lib.rs
@@ -1,6 +1,6 @@
 #![no_std]
 use wasmi::{
-    self, memory_units::Pages, ExternVal, ImportsBuilder, MemoryInstance, ModuleInstance,
+    self, memory_units::{Pages, Bytes, RoundUpTo}, ExternVal, ImportsBuilder, MemoryInstance, ModuleInstance,
     NopExternals, RuntimeValue,
 };
 
@@ -24,7 +24,7 @@ pub fn exec_wasm_with_data(
     let module = wasmi::Module::from_buffer(binary)?;
 
     // TODO: Calculate the memory size always be larger than `data`
-    let mem_instance = MemoryInstance::alloc(Pages(200), None)?;
+    let mem_instance = MemoryInstance::alloc(Pages(13000), None)?;
 
     // TODO: Error Handling
     mem_instance.set(0, data).unwrap();