diff --git a/Cargo.lock b/Cargo.lock
index fd3fd1e..42650f6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5,7 +5,7 @@ name = "aho-corasick"
 version = "0.6.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -13,7 +13,7 @@ name = "aho-corasick"
 version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -66,7 +66,7 @@ name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -83,7 +83,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "backtrace"
-version = "0.3.43"
+version = "0.3.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "backtrace-sys 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -205,7 +205,7 @@ dependencies = [
 [[package]]
 name = "bloomchain"
 version = "0.2.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethbloom 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -222,6 +222,11 @@ dependencies = [
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "byte-tools"
 version = "0.2.0"
@@ -246,6 +251,14 @@ dependencies = [
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "c2-chacha"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.50"
@@ -319,7 +332,7 @@ dependencies = [
 [[package]]
 name = "common-types"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethcore-bytes 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -356,7 +369,7 @@ dependencies = [
  "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -469,11 +482,11 @@ dependencies = [
  "deoxysii 0.2.0 (git+https://github.com/oasislabs/deoxysii-rust)",
  "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.14.5 (git+https://github.com/akash-fortanix/ring?branch=sgx-target)",
+ "ring 0.16.11 (git+https://github.com/oasislabs/ring-sgx?branch=sgx-target)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "x25519-dalek 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -517,15 +530,15 @@ name = "error-chain"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.44 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "error-chain"
-version = "0.12.1"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -533,12 +546,12 @@ name = "ethabi"
 version = "5.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -573,7 +586,7 @@ dependencies = [
 [[package]]
 name = "ethcore"
 version = "1.12.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "blockchain-traits 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bloomchain 0.2.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
@@ -611,12 +624,12 @@ dependencies = [
  "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-machine 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "patricia-trie 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp 0.2.1 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "rlp_compress 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "rlp_derive 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "siphasher 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "triehash 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "unexpected 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
@@ -628,7 +641,7 @@ dependencies = [
 [[package]]
 name = "ethcore-bloom-journal"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "siphasher 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -636,16 +649,16 @@ dependencies = [
 [[package]]
 name = "ethcore-bytes"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 
 [[package]]
 name = "ethcore-crypto"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.14.5 (git+https://github.com/akash-fortanix/ring?branch=sgx-target)",
+ "ring 0.16.11 (git+https://github.com/oasislabs/ring-sgx?branch=sgx-target)",
  "ripemd160 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -653,12 +666,12 @@ dependencies = [
 [[package]]
 name = "ethcore-devtools"
 version = "1.12.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 
 [[package]]
 name = "ethcore-logger"
 version = "1.12.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -674,7 +687,7 @@ dependencies = [
 [[package]]
 name = "ethcore-transaction"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethjson 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
@@ -724,19 +737,19 @@ dependencies = [
 [[package]]
 name = "ethjson"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ethkey"
 version = "0.3.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -752,7 +765,7 @@ dependencies = [
 [[package]]
 name = "evm"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "bit-set 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -769,7 +782,7 @@ name = "failure"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -876,6 +889,16 @@ dependencies = [
  "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "globset"
 version = "0.2.1"
@@ -884,14 +907,14 @@ dependencies = [
  "aho-corasick 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hashdb"
 version = "0.1.1"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "elastic-array 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -915,7 +938,7 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -923,7 +946,7 @@ dependencies = [
 
 [[package]]
 name = "hex"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1016,7 +1039,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "journaldb"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethcore-bytes 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1030,6 +1053,14 @@ dependencies = [
  "util-error 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
 ]
 
+[[package]]
+name = "js-sys"
+version = "0.3.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "jsonrpc-core"
 version = "8.0.1"
@@ -1039,7 +1070,7 @@ dependencies = [
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1118,7 +1149,7 @@ dependencies = [
 [[package]]
 name = "keccak-hash"
 version = "0.1.2"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1136,7 +1167,7 @@ dependencies = [
 [[package]]
 name = "kvdb"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "elastic-array 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1146,7 +1177,7 @@ dependencies = [
 [[package]]
 name = "kvdb-memorydb"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "kvdb 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
 ]
@@ -1193,7 +1224,7 @@ name = "lock_api"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1223,7 +1254,7 @@ dependencies = [
 [[package]]
 name = "macros"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 
 [[package]]
 name = "matches"
@@ -1238,11 +1269,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "mem"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 
 [[package]]
 name = "memchr"
-version = "2.3.0"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1256,7 +1287,7 @@ dependencies = [
 [[package]]
 name = "memory-cache"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1270,7 +1301,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "memorydb"
 version = "0.1.1"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "elastic-array 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1389,12 +1420,21 @@ name = "nodrop"
 version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "nom"
+version = "4.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "nom"
 version = "5.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1437,7 +1477,7 @@ name = "num_cpus"
 version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1470,7 +1510,7 @@ dependencies = [
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_bytes 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "signal-hook 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "simple_logger 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1486,8 +1526,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "anyhow 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "thiserror 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thiserror 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1524,7 +1564,7 @@ dependencies = [
 [[package]]
 name = "parity-machine"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1532,7 +1572,7 @@ dependencies = [
 [[package]]
 name = "parity-reactor"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1541,7 +1581,7 @@ dependencies = [
 [[package]]
 name = "parity-rpc"
 version = "1.12.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "cid 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1577,7 +1617,7 @@ dependencies = [
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "stats 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1607,7 +1647,7 @@ dependencies = [
 [[package]]
 name = "parity-version"
 version = "1.12.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "ethcore-bytes 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "rlp 0.2.1 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
@@ -1693,7 +1733,7 @@ dependencies = [
 [[package]]
 name = "patricia-trie"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "elastic-array 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-bytes 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
@@ -1714,12 +1754,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "plain_hasher"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "proc-macro2"
 version = "0.2.3"
@@ -1860,6 +1905,18 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.1.1"
@@ -1869,6 +1926,15 @@ dependencies = [
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "c2-chacha 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.3.1"
@@ -1882,6 +1948,14 @@ name = "rand_core"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "rand_core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.1.0"
@@ -1890,6 +1964,14 @@ dependencies = [
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand_hc"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_isaac"
 version = "0.1.1"
@@ -1957,7 +2039,7 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf8-ranges 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1969,7 +2051,7 @@ version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2005,14 +2087,15 @@ dependencies = [
 
 [[package]]
 name = "ring"
-version = "0.14.5"
-source = "git+https://github.com/akash-fortanix/ring?branch=sgx-target#5b5b3792fc409288039937ca422ebdd8426de8a8"
+version = "0.16.11"
+source = "git+https://github.com/oasislabs/ring-sgx?branch=sgx-target#765fab6352395852091bc0605de16fcfc73712ec"
 dependencies = [
  "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2029,7 +2112,7 @@ dependencies = [
 [[package]]
 name = "rlp"
 version = "0.2.1"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "elastic-array 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2040,7 +2123,7 @@ dependencies = [
 [[package]]
 name = "rlp_compress"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "elastic-array 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2050,7 +2133,7 @@ dependencies = [
 [[package]]
 name = "rlp_derive"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.13.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2106,7 +2189,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "scopeguard"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2170,7 +2253,7 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.47"
+version = "1.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2285,6 +2368,11 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "sourcefile"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -2298,7 +2386,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "stats"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2393,15 +2481,15 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.10"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "thiserror-impl 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thiserror-impl 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.10"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2708,7 +2796,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "triehash"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "elastic-array 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2755,7 +2843,7 @@ dependencies = [
 [[package]]
 name = "unexpected"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 
 [[package]]
 name = "unicase"
@@ -2803,7 +2891,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "untrusted"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2824,7 +2912,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "util-error"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "error-chain 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2860,7 +2948,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "vm"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "blockchain-traits 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2875,7 +2963,7 @@ dependencies = [
  "patricia-trie 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "rlp 0.2.1 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2888,6 +2976,11 @@ dependencies = [
  "try-lock 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "wasi-types"
 version = "0.1.6"
@@ -2900,7 +2993,7 @@ dependencies = [
 [[package]]
 name = "wasm"
 version = "0.1.0"
-source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#001fc9ac74477a0648ab21724b93dff9a4778b81"
+source = "git+https://github.com/oasislabs/oasis-parity?branch=ekiden#27d6d2e65cb263e2088835a9a80ef8dd8ac9ba80"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bcfs 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2921,10 +3014,74 @@ dependencies = [
  "wasmi 0.4.5 (git+https://github.com/oasislabs/wasmi)",
 ]
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
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 "checksum rlp 0.2.1 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)" = "<none>"
 "checksum rlp_compress 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)" = "<none>"
@@ -3275,7 +3462,7 @@ dependencies = [
 "checksum safemem 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"
 "checksum scoped-tls 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "332ffa32bf586782a3efaeb58f127980944bbc8c4d6913a86107ac2a5ab24b28"
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
-"checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
+"checksum scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 "checksum secp256k1-plus 0.5.7 (git+https://github.com/oasislabs/rust-secp256k1?branch=feature/rand_optional)" = "<none>"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
@@ -3283,7 +3470,7 @@ dependencies = [
 "checksum serde_bytes 0.10.5 (registry+https://github.com/rust-lang/crates.io-index)" = "defbb8a83d7f34cc8380751eeb892b825944222888aff18996ea7901f24aec88"
 "checksum serde_bytes 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "325a073952621257820e7a3469f55ba4726d8b28657e7e36653d1c36dc2c84ae"
 "checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
-"checksum serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)" = "15913895b61e0be854afd32fd4163fcd2a3df34142cf2cb961b310ce694cbf90"
+"checksum serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)" = "9371ade75d4c2d6cb154141b9752cf3781ec9c05e0e5cf35060e1e70ee7b9c25"
 "checksum sha1 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cc30b1e1e8c40c121ca33b86c23308a090d19974ef001b4bf6e61fd1a0fb095c"
 "checksum sha1 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "171698ce4ec7cbb93babeb3190021b4d72e96ccb98e33d277ae4ea959d6f2d9e"
 "checksum sha2 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d963c78ce367df26d7ea8b8cc655c651b42e8a1e584e869c1e17dae3ccb116a"
@@ -3298,6 +3485,7 @@ dependencies = [
 "checksum smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
 "checksum smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5c2fb2ec9bcd216a5b0d0ccf31ab17b5ed1d627960edff65bbe95d3ce221cefc"
 "checksum socket2 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)" = "e8b74de517221a2cb01a53349cf54182acdc31a074727d3079068448c0676d85"
+"checksum sourcefile 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4bf77cb82ba8453b42b6ae1d692e4cdc92f9a47beaf89a847c8be83f4e328ad3"
 "checksum spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
 "checksum stats 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)" = "<none>"
@@ -3312,8 +3500,8 @@ dependencies = [
 "checksum target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c63f48baada5c52e65a29eef93ab4f8982681b67f9e8d29c7b05abcfec2b9ffe"
 "checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
 "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-"checksum thiserror 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)" = "205684fd018ca14432b12cce6ea3d46763311a571c3d294e71ba3f01adcf1aad"
-"checksum thiserror-impl 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)" = "57e4d2e50ca050ed44fb58309bdce3efa79948f84f9993ad1978de5eebdce5a7"
+"checksum thiserror 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ee14bf8e6767ab4c687c9e8bc003879e042a96fd67a3ba5934eadb6536bef4db"
+"checksum thiserror-impl 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)" = "a7b51e1fbc44b5a0840be594fbc0f960be09050f2617e61e6aa43bef97cd3ef4"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
@@ -3353,7 +3541,7 @@ dependencies = [
 "checksum unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
-"checksum untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
+"checksum untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60369ef7a31de49bcb3f6ca728d4ba7300d9a1658f94c727d4cab8c8d9f4aece"
 "checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
 "checksum utf8-ranges 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b4ae116fef2b7fea257ed6440d3cfcff7f190865f170cdad00bb6465bf18ecba"
 "checksum util-error 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)" = "<none>"
@@ -3363,13 +3551,22 @@ dependencies = [
 "checksum version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
 "checksum vm 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)" = "<none>"
 "checksum want 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a05d9d966753fa4b5c8db73fcab5eed4549cfe0e1e4e66911e5564a0085c35d1"
+"checksum wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 "checksum wasi-types 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "22d400f484894b1dea4f381804e3e2dbfe3d5b48337559c6407833f7b2d71ee4"
 "checksum wasm 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)" = "<none>"
+"checksum wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)" = "5205e9afdf42282b192e2310a5b463a6d1c1d774e30dc3c791ac37ab42d2616c"
+"checksum wasm-bindgen-backend 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)" = "11cdb95816290b525b32587d76419facd99662a07e59d3cdb560488a819d9a45"
+"checksum wasm-bindgen-macro 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)" = "574094772ce6921576fb6f2e3f7497b8a76273b6db092be18fc48a082de09dc3"
+"checksum wasm-bindgen-macro-support 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)" = "e85031354f25eaebe78bb7db1c3d86140312a911a106b2e29f9cc440ce3e7668"
+"checksum wasm-bindgen-shared 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)" = "f5e7e61fc929f4c0dddb748b102ebf9f632e2b8d739f2016542b4de2965a9601"
+"checksum wasm-bindgen-webidl 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)" = "ef012a0d93fc0432df126a8eaf547b2dce25a8ce9212e1d3cbeef5c11157975d"
 "checksum wasm-macros 0.1.0 (git+https://github.com/oasislabs/oasis-parity?branch=ekiden)" = "<none>"
 "checksum wasmi 0.4.5 (git+https://github.com/oasislabs/wasmi)" = "<none>"
 "checksum wasmi 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "aebbaef470840d157a5c47c8c49f024da7b1b80e90ff729ca982b2b80447e78b"
 "checksum wasmi-validation 0.1.0 (git+https://github.com/oasislabs/wasmi)" = "<none>"
 "checksum wasmi-validation 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ab380192444b3e8522ae79c0a1976e42a82920916ccdfbce3def89f456ea33f3"
+"checksum web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)" = "aaf97caf6aa8c2b1dac90faf0db529d9d63c93846cca4911856f78a83cebf53b"
+"checksum weedle 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3bb43f70885151e629e2a19ce9e50bd730fd436cfd4b666894c9ce4de9141164"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
diff --git a/Cargo.toml b/Cargo.toml
index 328dddd..ef0e973 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,7 +52,7 @@ ws = { git = "https://github.com/oasislabs/ws-rs", branch = "ekiden" }
 
 [patch.crates-io]
 # TODO: Remove when merged upstream (briansmith/ring#738).
-ring = { git = "https://github.com/akash-fortanix/ring", branch = "sgx-target" }
+ring = { git = "https://github.com/oasislabs/ring-sgx", branch = "sgx-target" }
 # TODO: Remove when merged upstream (rust-lang-deprecated/rustc-serialize#195).
 rustc-serialize = { git = "https://github.com/jethrogb/rustc-serialize", branch = "portability" }
 
diff --git a/ekiden_crypto/Cargo.toml b/ekiden_crypto/Cargo.toml
index 899282e..1225053 100644
--- a/ekiden_crypto/Cargo.toml
+++ b/ekiden_crypto/Cargo.toml
@@ -9,9 +9,9 @@ deoxysii = { git = "https://github.com/oasislabs/deoxysii-rust" }
 failure = "0.1.5"
 rand = "0.6.5"
 # TODO: Change version when merged upstream (briansmith/ring#738).
-ring = "=0.14.5"
+ring = "0.16"
 rustc-hex = "2.0.1"
 serde = "1.0.71"
 serde_derive = "1.0"
-untrusted = "0.6.2"
+untrusted = "0.7"
 x25519-dalek = "0.5.1"
diff --git a/ekiden_crypto/src/mrae/deoxysii.rs b/ekiden_crypto/src/mrae/deoxysii.rs
index fa89e31..7e2e683 100644
--- a/ekiden_crypto/src/mrae/deoxysii.rs
+++ b/ekiden_crypto/src/mrae/deoxysii.rs
@@ -18,7 +18,7 @@ fn derive_symmetric_key(public: &[u8; 32], private: &[u8; 32]) -> [u8; KEY_SIZE]
 
     let pmk = private.diffie_hellman(&public);
 
-    let k = hmac::SigningKey::new(&digest::SHA256, b"MRAE_Box_Deoxys-II-256-128");
+    let k = hmac::SigningKey::new(hmac::HMAC_SHA256, b"MRAE_Box_Deoxys-II-256-128");
     let mut ctx = hmac::SigningContext::with_key(&k);
 
     ctx.update(pmk.as_bytes());
diff --git a/ekiden_crypto/src/signature.rs b/ekiden_crypto/src/signature.rs
index 07efde4..348461f 100644
--- a/ekiden_crypto/src/signature.rs
+++ b/ekiden_crypto/src/signature.rs
@@ -1,11 +1,10 @@
 //! Signature types.
-use failure::Fallible;
+use failure::{format_err, Fallible};
 use ring::{
     rand,
-    signature::{verify, Ed25519KeyPair, KeyPair, ED25519},
+    signature::{Ed25519KeyPair, KeyPair, VerificationAlgorithm as _, ED25519},
 };
 use serde_derive::{Deserialize, Serialize};
-use untrusted;
 
 use super::hash::Hash;
 
@@ -22,14 +21,15 @@ impl PrivateKey {
             .unwrap()
             .as_ref()
             .to_vec();
-        let key = Ed25519KeyPair::from_pkcs8(untrusted::Input::from(&key_pkcs8)).unwrap();
+        let key = Ed25519KeyPair::from_pkcs8(&key_pkcs8).unwrap();
 
         PrivateKey(key)
     }
 
     /// Loads the private key pair from PKCS8 encoded data.
     pub fn from_pkcs8(key: &[u8]) -> Fallible<Self> {
-        let key = Ed25519KeyPair::from_pkcs8(untrusted::Input::from(key))?;
+        let key = Ed25519KeyPair::from_pkcs8(key)
+            .map_err(|e| format_err!("could not parse private key: {}", e))?;
         Ok(PrivateKey(key))
     }
 
@@ -64,7 +64,9 @@ impl Signature {
         let digest = untrusted::Input::from(digest.as_ref());
         let sig = untrusted::Input::from(self.as_ref());
 
-        Ok(verify(&ED25519, pk, digest, sig)?)
+        Ok(ED25519
+            .verify(pk, digest, sig)
+            .map_err(|_| format_err!("signature verification failed"))?)
     }
 }
 
diff --git a/src/blockchain.rs b/src/blockchain.rs
index e88c152..7d665a9 100644
--- a/src/blockchain.rs
+++ b/src/blockchain.rs
@@ -17,7 +17,7 @@ use ethcore::{
     state::State,
     transaction::{Action, LocalizedTransaction, SignedTransaction, UnverifiedTransaction},
     types::ids::BlockId,
-    vm::{EnvInfo, Error as VmError},
+    vm::{CreateContractAddress, EnvInfo, Error as VmError, OasisContract},
 };
 use ethereum_types::{Bloom, H256, H64, U256};
 use failure::{format_err, Error, Fallible};
@@ -404,15 +404,19 @@ impl Blockchain {
             gas_used: outcome.receipt.gas_used,
             contract_address: match txn.action {
                 Action::Call(_) => None,
-                Action::Create => Some(
-                    contract_address(
-                        genesis::SPEC.engine.create_address_scheme(number),
-                        &txn.sender(),
-                        &txn.nonce,
-                        &txn.data,
-                    )
-                    .0,
-                ),
+                Action::Create => {
+                    let address_scheme = OasisContract::from_code(&txn.data)
+                        .ok()
+                        .flatten()
+                        .and_then(|hdr| {
+                            hdr.salt_if_confidential
+                                .map(|salt| CreateContractAddress::FromSaltAndCodeHash(salt.into()))
+                        })
+                        .unwrap_or_else(|| {
+                            genesis::SPEC.engine.machine().create_address_scheme(number)
+                        });
+                    Some(contract_address(address_scheme, &txn.sender(), &txn.nonce, &txn.data).0)
+                }
             },
             logs: logs,
             log_bloom: outcome.receipt.log_bloom,
@@ -670,7 +674,6 @@ impl EthereumBlock {
 
     /// Retrieve an Ethereum block with additional metadata.
     pub fn rich_block(&self, include_txs: bool) -> EthRpcRichBlock {
-        let eip86_transition = genesis::SPEC.params().eip86_transition;
         let rich_header = self.rich_header();
 
         EthRpcRichBlock {
@@ -698,7 +701,7 @@ impl EthereumBlock {
                         self.transactions
                             .clone()
                             .into_iter()
-                            .map(|txn| EthRpcTransaction::from_localized(txn, eip86_transition))
+                            .map(|txn| EthRpcTransaction::from_localized(txn))
                             .collect(),
                     ),
                     false => EthRpcBlockTransactions::Hashes(
diff --git a/src/impls/eth.rs b/src/impls/eth.rs
index 12c32ba..d0a7ab2 100644
--- a/src/impls/eth.rs
+++ b/src/impls/eth.rs
@@ -267,13 +267,12 @@ impl Eth for EthClient {
 
     fn transaction_by_hash(&self, hash: RpcH256) -> BoxFuture<Option<RpcTransaction>> {
         let hash = hash.into();
-        let eip86_transition = genesis::SPEC.params().eip86_transition;
 
         Box::new(
             self.blockchain
                 .get_txn_by_hash(hash)
                 .and_then(move |txn| {
-                    txn.map(|txn| Ok(RpcTransaction::from_localized(txn, eip86_transition)))
+                    txn.map(|txn| Ok(RpcTransaction::from_localized(txn)))
                         .transpose()
                 })
                 .map_err(jsonrpc_error),
@@ -286,13 +285,12 @@ impl Eth for EthClient {
         index: Index,
     ) -> BoxFuture<Option<RpcTransaction>> {
         let hash = hash.into();
-        let eip86_transition = genesis::SPEC.params().eip86_transition;
 
         Box::new(
             self.blockchain
                 .get_txn_by_block_hash_and_index(hash, index.value() as u32)
                 .and_then(move |txn| {
-                    txn.map(|txn| Ok(RpcTransaction::from_localized(txn, eip86_transition)))
+                    txn.map(|txn| Ok(RpcTransaction::from_localized(txn)))
                         .transpose()
                 })
                 .map_err(jsonrpc_error),
@@ -309,13 +307,11 @@ impl Eth for EthClient {
             return Box::new(future::ok(None));
         }
 
-        let eip86_transition = genesis::SPEC.params().eip86_transition;
-
         Box::new(
             self.blockchain
                 .get_txn(block_number_to_id(num), index.value() as u32)
                 .and_then(move |txn| {
-                    txn.map(|txn| Ok(RpcTransaction::from_localized(txn, eip86_transition)))
+                    txn.map(|txn| Ok(RpcTransaction::from_localized(txn)))
                         .transpose()
                 })
                 .map_err(jsonrpc_error),
diff --git a/src/lib.rs b/src/lib.rs
index 306a8fc..22b0882 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -16,6 +16,8 @@
 
 //! Oasis local chain.
 
+#![feature(option_flattening)]
+
 extern crate clap;
 extern crate futures;
 extern crate lazy_static;