diff --git a/demo/runtime/wasm/Cargo.lock b/demo/runtime/wasm/Cargo.lock
index 8532d96db9946..dfaa019b250c8 100644
--- a/demo/runtime/wasm/Cargo.lock
+++ b/demo/runtime/wasm/Cargo.lock
@@ -1,3 +1,16 @@
+[[package]]
+name = "aho-corasick"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ansi_term"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "arrayvec"
 version = "0.4.7"
@@ -6,6 +19,16 @@ dependencies = [
  "nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "atty"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "base58"
 version = "0.1.0"
@@ -136,10 +159,24 @@ dependencies = [
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "env_logger"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "environmental"
 version = "0.1.0"
 
+[[package]]
+name = "error-chain"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "ethbloom"
 version = "0.5.0"
@@ -152,6 +189,27 @@ dependencies = [
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ethcore-bytes"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+
+[[package]]
+name = "ethcore-logger"
+version = "1.12.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ethereum-types"
 version = "0.3.2"
@@ -213,6 +271,15 @@ name = "gcc"
 version = "0.3.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "hashdb"
+version = "0.1.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+]
+
 [[package]]
 name = "heapsize"
 version = "0.4.2"
@@ -253,6 +320,25 @@ dependencies = [
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "keccak-hash"
+version = "0.1.2"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "kvdb"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-bytes 0.1.0 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "lazy_static"
 version = "0.2.11"
@@ -284,6 +370,14 @@ dependencies = [
  "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "memchr"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.2.1"
@@ -294,6 +388,20 @@ name = "memory_units"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "memorydb"
+version = "0.1.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "plain_hasher 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "nodrop"
 version = "0.1.12"
@@ -338,6 +446,15 @@ dependencies = [
  "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.5.5"
@@ -358,6 +475,33 @@ dependencies = [
  "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "patricia-trie"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-bytes 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "ethcore-logger 1.12.0 (git+https://github.com/paritytech/parity.git)",
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memorydb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+ "triehash 0.1.0 (git+https://github.com/paritytech/parity.git)",
+]
+
+[[package]]
+name = "plain_hasher"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+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 = "proc-macro-hack"
 version = "0.4.0"
@@ -449,6 +593,39 @@ dependencies = [
  "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.1.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "redox_termios"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.0.1 (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 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ring"
 version = "0.12.1"
@@ -461,6 +638,17 @@ dependencies = [
  "untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rlp"
+version = "0.2.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "elastic-array 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)",
+ "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rlp"
 version = "0.2.2"
@@ -801,7 +989,14 @@ name = "substrate-state-machine"
 version = "0.1.0"
 dependencies = [
  "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memorydb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "patricia-trie 0.1.0 (git+https://github.com/paritytech/parity.git)",
  "substrate-primitives 0.1.0",
  "triehash 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -816,6 +1011,35 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "termion"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "thread_local"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "time"
+version = "0.1.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tiny-keccak"
 version = "1.4.2"
@@ -824,6 +1048,17 @@ dependencies = [
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "triehash"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "triehash"
 version = "0.1.2"
@@ -843,6 +1078,11 @@ dependencies = [
  "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ucd-util"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "uint"
 version = "0.1.2"
@@ -869,11 +1109,29 @@ name = "unicode-xid"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "unreachable"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "untrusted"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "utf8-ranges"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "wasmi"
 version = "0.1.3"
@@ -904,7 +1162,10 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
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+"checksum aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6531d44de723825aa81398a6415283229725a00fa30713812ab9323faa82fc4"
+"checksum ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6b3568b48b7cefa6b8ce125f9bb4989e52fbcc29ebea88df04cc7c5f12f70455"
 "checksum arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)" = "a1e964f9e24d588183fcb43503abda40d288c8657dfc27311516ce2f05675aef"
+"checksum atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "2fc4a1aa4c24c0718a250f0681885c1af91419d242f29eb8f2ab28502d80dbd1"
 "checksum base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5024ee8015f02155eee35c711107ddd9a9bf3cb689cf2a9089c97e79b6e1ae83"
 "checksum bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d0c54bb8f454c567f21197eefcdbf5679d0bd99f2ddbe52e84c77061952e6789"
 "checksum blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "5d6d530bdd2d52966a6d03b7a964add7ae1a288d25214066fd4b600f0f796400"
@@ -917,7 +1178,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
 "checksum crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a2f4a431c5c9f662e1200b7c7f02c34e91361150e382089a8f2dec3ba680cbda"
 "checksum elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "88d4851b005ef16de812ea9acdb7bece2f0a40dd86c07b85631d7dafa54537bb"
+"checksum env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3ddf21e73e016298f5cb37d6ef8e8da8e39f91f9ec8b0df44b7deb16a9f8cd5b"
+"checksum error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3"
 "checksum ethbloom 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a93a43ce2e9f09071449da36bfa7a1b20b950ee344b6904ff23de493b03b386"
+"checksum ethcore-bytes 0.1.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
+"checksum ethcore-logger 1.12.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
 "checksum ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9c48729b8aea8aedb12cf4cb2e5cef439fdfe2dda4a89e47eeebd15778ef53b6"
 "checksum ethereum-types-serialize 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ac59a21a9ce98e188f3dace9eb67a6c4a3c67ec7fbc7218cb827852679dc002"
 "checksum fixed-hash 0.1.3 (git+https://github.com/rphmeier/primitives.git?branch=compile-for-wasm)" = "<none>"
@@ -925,26 +1190,34 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
 "checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 "checksum gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)" = "5e33ec290da0d127825013597dbdfc28bee4964690c7ce1166cbc2a7bd08b1bb"
+"checksum hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)" = "<none>"
 "checksum heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1679e6ea370dee694f91f1dc469bf94cf8f52051d147aec3e1f9497c6fc22461"
 "checksum hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4da5f0e01bd8a71a224a4eedecaacfcabda388dbb7a80faf04d3514287572d95"
 "checksum hex-literal-impl 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1d340b6514f232f6db1bd16db65302a5278a04fef9ce867cb932e7e5fa21130a"
 "checksum integer-sqrt 0.1.0 (git+https://github.com/paritytech/integer-sqrt-rs.git)" = "<none>"
 "checksum keccak-hash 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0b7f51f30d7986536accaec4a6a288008dfb3dbffe8a2863a65292bc395a3ae7"
+"checksum keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)" = "<none>"
+"checksum kvdb 0.1.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
 "checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
 "checksum lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e6412c5e2ad9584b0b8e979393122026cdd6d2a80b933f890dcd694ddbe73739"
 "checksum libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)" = "ac8ebf8343a981e2fa97042b14768f02ed3e1d602eac06cae6166df3c8ced206"
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 "checksum parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4db1a8ccf734a7bce794cc19b3df06ed87ab2f3907036b693c68f56b4d4537fa"
+"checksum patricia-trie 0.1.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
+"checksum plain_hasher 0.1.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
 "checksum proc-macro-hack 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ba8d4f9257b85eb6cdf13f055cea3190520aab1409ca2ab43493ea4820c25f0"
 "checksum proc-macro-hack-impl 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d5cb6f960ad471404618e9817c0e5d10b1ae74cfdf01fab89ea0641fe7fb2892"
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@@ -954,7 +1227,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eba5f8cb59cc50ed56be8880a5c7b496bfd9bd26394e176bc67884094145c2c5"
 "checksum rayon 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b614fe08b6665cb9a231d07ac1364b0ef3cb3698f1239ee0c4c3a88a524f54c8"
 "checksum rayon-core 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d24ad214285a7729b174ed6d3bcfcb80177807f959d95fafd5bfc5c4f201ac8"
+"checksum redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "c214e91d3ecf43e9a4e41e578973adeb14b474f2bee858742d127af75a0112b1"
+"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
+"checksum regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9329abc99e39129fcceabd24cf5d85b4671ef7c29c50e972bc5afe32438ec384"
+"checksum regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7d707a4fa2637f2dca2ef9fd02225ec7661fe01a53623c1e6515b6916511f7a7"
 "checksum ring 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6f7d28b30a72c01b458428e0ae988d4149c20d902346902be881e3edc4bb325c"
+"checksum rlp 0.2.1 (git+https://github.com/paritytech/parity.git)" = "<none>"
 "checksum rlp 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "89db7f8dfdd5eb7ab3ac3ece7a07fd273a680b4b224cb231181280e8996f9f0b"
 "checksum rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0ceb8ce7a5e520de349e1fa172baeba4a9e8d5ef06c47471863530bc4972ee1e"
 "checksum rustc-hex 2.0.0 (git+https://github.com/rphmeier/rustc-hex.git)" = "<none>"
@@ -967,13 +1245,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum smallvec 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "03dab98ab5ded3a8b43b2c80751194608d0b2aa0f1d46cf95d1c35e192844aa7"
 "checksum stable_deref_trait 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "15132e0e364248108c5e2c02e3ab539be8d6f5d52a01ca9bbf27ed657316f02b"
 "checksum syn 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6dfd71b2be5a58ee30a6f8ea355ba8290d397131c00dfa55c3d34e6e13db5101"
+"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
+"checksum thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "279ef31c19ededf577bfd12dfae728040a21f635b06a24cd670ff510edd38963"
+"checksum time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "d825be0eb33fda1a7e68012d51e9c7f451dc1a69391e7fdc197060bb8c56667b"
 "checksum tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e9175261fbdb60781fcd388a4d6cc7e14764a2b629a7ad94abb439aed223a44f"
+"checksum triehash 0.1.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
 "checksum triehash 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2033893a813c70e7d8a739ca6c36dc0a7a2c913ec718d7cbf84a3837bbe3c7ce"
 "checksum twox-hash 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "475352206e7a290c5fccc27624a163e8d0d115f7bb60ca18a64fc9ce056d7435"
+"checksum ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd2be2d6639d0f8fe6cdda291ad456e23629558d466e2789d2c3e9892bda285d"
 "checksum uint 0.1.2 (git+https://github.com/rphmeier/primitives.git?branch=compile-for-wasm)" = "<none>"
 "checksum uint 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "38051a96565903d81c9a9210ce11076b2218f3b352926baa1f5f6abbdfce8273"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
 "checksum untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f392d7819dbe58833e26872f5f6f0d68b7bbbe90fc3667e98731c4a15ad9a7ae"
+"checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
+"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum wasmi 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d19da510b59247935ad5f598357b3cc739912666d75d3d28318026478d95bbdb"
 "checksum winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "04e3bd221fcbe8a271359c04f21a76db7d0c6028862d1bb5512d85e1e2eb5bb3"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
diff --git a/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.compact.wasm b/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.compact.wasm
index 9e847aac35fcc..702eed6d580d7 100644
Binary files a/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.compact.wasm and b/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.compact.wasm differ
diff --git a/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.wasm b/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.wasm
index fe49b81f28780..da26399725e23 100755
Binary files a/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.wasm and b/demo/runtime/wasm/target/wasm32-unknown-unknown/release/demo_runtime.wasm differ
diff --git a/polkadot/runtime/wasm/Cargo.lock b/polkadot/runtime/wasm/Cargo.lock
index aac3375c7a315..73fab465f692c 100644
--- a/polkadot/runtime/wasm/Cargo.lock
+++ b/polkadot/runtime/wasm/Cargo.lock
@@ -1,3 +1,16 @@
+[[package]]
+name = "aho-corasick"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ansi_term"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "arrayvec"
 version = "0.4.7"
@@ -6,6 +19,16 @@ dependencies = [
  "nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "atty"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "base58"
 version = "0.1.0"
@@ -101,10 +124,24 @@ dependencies = [
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "env_logger"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "environmental"
 version = "0.1.0"
 
+[[package]]
+name = "error-chain"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "ethbloom"
 version = "0.5.0"
@@ -117,6 +154,27 @@ dependencies = [
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ethcore-bytes"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+
+[[package]]
+name = "ethcore-logger"
+version = "1.12.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ethereum-types"
 version = "0.3.2"
@@ -178,6 +236,15 @@ name = "gcc"
 version = "0.3.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "hashdb"
+version = "0.1.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+]
+
 [[package]]
 name = "heapsize"
 version = "0.4.2"
@@ -218,6 +285,25 @@ dependencies = [
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "keccak-hash"
+version = "0.1.2"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "kvdb"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-bytes 0.1.0 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "lazy_static"
 version = "0.2.11"
@@ -249,6 +335,14 @@ dependencies = [
  "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "memchr"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.2.1"
@@ -259,6 +353,20 @@ name = "memory_units"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "memorydb"
+version = "0.1.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "plain_hasher 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "nodrop"
 version = "0.1.12"
@@ -303,6 +411,15 @@ dependencies = [
  "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.5.5"
@@ -323,6 +440,33 @@ dependencies = [
  "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "patricia-trie"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-bytes 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "ethcore-logger 1.12.0 (git+https://github.com/paritytech/parity.git)",
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memorydb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+ "triehash 0.1.0 (git+https://github.com/paritytech/parity.git)",
+]
+
+[[package]]
+name = "plain_hasher"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+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 = "polkadot-primitives"
 version = "0.1.0"
@@ -449,6 +593,39 @@ dependencies = [
  "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.1.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "redox_termios"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.0.1 (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 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ring"
 version = "0.12.1"
@@ -461,6 +638,17 @@ dependencies = [
  "untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rlp"
+version = "0.2.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "elastic-array 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)",
+ "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rlp"
 version = "0.2.2"
@@ -801,7 +989,14 @@ name = "substrate-state-machine"
 version = "0.1.0"
 dependencies = [
  "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memorydb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "patricia-trie 0.1.0 (git+https://github.com/paritytech/parity.git)",
  "substrate-primitives 0.1.0",
  "triehash 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -816,6 +1011,35 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "termion"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "thread_local"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "time"
+version = "0.1.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tiny-keccak"
 version = "1.4.2"
@@ -824,6 +1048,17 @@ dependencies = [
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "triehash"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "triehash"
 version = "0.1.2"
@@ -843,6 +1078,11 @@ dependencies = [
  "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ucd-util"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "uint"
 version = "0.1.2"
@@ -869,11 +1109,29 @@ name = "unicode-xid"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "unreachable"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "untrusted"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "utf8-ranges"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "wasmi"
 version = "0.1.3"
@@ -904,7 +1162,10 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
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+"checksum ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6b3568b48b7cefa6b8ce125f9bb4989e52fbcc29ebea88df04cc7c5f12f70455"
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+"checksum atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "2fc4a1aa4c24c0718a250f0681885c1af91419d242f29eb8f2ab28502d80dbd1"
 "checksum base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5024ee8015f02155eee35c711107ddd9a9bf3cb689cf2a9089c97e79b6e1ae83"
 "checksum bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d0c54bb8f454c567f21197eefcdbf5679d0bd99f2ddbe52e84c77061952e6789"
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@@ -917,7 +1178,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
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+"checksum error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3"
 "checksum ethbloom 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a93a43ce2e9f09071449da36bfa7a1b20b950ee344b6904ff23de493b03b386"
+"checksum ethcore-bytes 0.1.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
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 "checksum ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9c48729b8aea8aedb12cf4cb2e5cef439fdfe2dda4a89e47eeebd15778ef53b6"
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 "checksum fixed-hash 0.1.3 (git+https://github.com/rphmeier/primitives.git?branch=compile-for-wasm)" = "<none>"
@@ -925,26 +1190,34 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
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+"checksum hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)" = "<none>"
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 "checksum hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4da5f0e01bd8a71a224a4eedecaacfcabda388dbb7a80faf04d3514287572d95"
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 "checksum parking_lot 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d4d05f1349491390b1730afba60bb20d55761bef489a954546b58b4b34e1e2ac"
 "checksum parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4db1a8ccf734a7bce794cc19b3df06ed87ab2f3907036b693c68f56b4d4537fa"
+"checksum patricia-trie 0.1.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
+"checksum plain_hasher 0.1.0 (git+https://github.com/paritytech/parity.git)" = "<none>"
 "checksum proc-macro-hack 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ba8d4f9257b85eb6cdf13f055cea3190520aab1409ca2ab43493ea4820c25f0"
 "checksum proc-macro-hack-impl 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d5cb6f960ad471404618e9817c0e5d10b1ae74cfdf01fab89ea0641fe7fb2892"
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@@ -954,7 +1227,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eba5f8cb59cc50ed56be8880a5c7b496bfd9bd26394e176bc67884094145c2c5"
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+"checksum rlp 0.2.1 (git+https://github.com/paritytech/parity.git)" = "<none>"
 "checksum rlp 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "89db7f8dfdd5eb7ab3ac3ece7a07fd273a680b4b224cb231181280e8996f9f0b"
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 "checksum rustc-hex 2.0.0 (git+https://github.com/rphmeier/rustc-hex.git)" = "<none>"
@@ -967,13 +1245,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum smallvec 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "03dab98ab5ded3a8b43b2c80751194608d0b2aa0f1d46cf95d1c35e192844aa7"
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diff --git a/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm b/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm
index 990a7ac369de5..9fa902edcbcc7 100644
Binary files a/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm and b/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm differ
diff --git a/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm b/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm
index a950e628fc247..a98f50b4ca5d1 100755
Binary files a/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm and b/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm differ
diff --git a/substrate/executor/src/wasm_executor.rs b/substrate/executor/src/wasm_executor.rs
index 1f71a807b4f50..d230cc19865d1 100644
--- a/substrate/executor/src/wasm_executor.rs
+++ b/substrate/executor/src/wasm_executor.rs
@@ -360,7 +360,25 @@ impl_function_executor!(this: FunctionExecutor<'e, E>,
 		this.sandbox_store.instance_teardown(instance_idx)?;
 		Ok(())
 	},
-	ext_sandbox_invoke(instance_idx: u32, export_ptr: *const u8, export_len: usize, args_ptr: *const u8, args_len: usize, return_val_ptr: *const u8, return_val_len: usize, state: usize) -> u32 => {
+	ext_sandbox_invoke(instance_idx: u32, export_ptr: *const u8, export_len: usize, state: usize) -> u32 => {
+		trace!(target: "runtime-sandbox", "invoke, instance_idx={}", instance_idx);
+		let export = this.memory.get(export_ptr, export_len as usize)
+			.map_err(|_| DummyUserError)
+			.and_then(|b|
+				String::from_utf8(b)
+					.map_err(|_| DummyUserError)
+			)?;
+
+		let instance = this.sandbox_store.instance(instance_idx)?;
+		let result = instance.invoke(&export, &[], this, state);
+		match result {
+			Ok(None) => Ok(sandbox_primitives::ERR_OK),
+			Ok(_) => unimplemented!(),
+			Err(_) => Ok(sandbox_primitives::ERR_EXECUTION),
+		}
+	},
+	// TODO: Remove the old 'ext_sandbox_invoke' and rename this to it.
+	ext_sandbox_invoke_poc2(instance_idx: u32, export_ptr: *const u8, export_len: usize, args_ptr: *const u8, args_len: usize, return_val_ptr: *const u8, return_val_len: usize, state: usize) -> u32 => {
 		use codec::Slicable;
 
 		trace!(target: "runtime-sandbox", "invoke, instance_idx={}", instance_idx);
diff --git a/substrate/executor/wasm/target/wasm32-unknown-unknown/release/runtime_test.compact.wasm b/substrate/executor/wasm/target/wasm32-unknown-unknown/release/runtime_test.compact.wasm
index d22a0299c3991..2022cf88522fd 100644
Binary files a/substrate/executor/wasm/target/wasm32-unknown-unknown/release/runtime_test.compact.wasm and b/substrate/executor/wasm/target/wasm32-unknown-unknown/release/runtime_test.compact.wasm differ
diff --git a/substrate/executor/wasm/target/wasm32-unknown-unknown/release/runtime_test.wasm b/substrate/executor/wasm/target/wasm32-unknown-unknown/release/runtime_test.wasm
index d297f18e71a59..7776affa86622 100755
Binary files a/substrate/executor/wasm/target/wasm32-unknown-unknown/release/runtime_test.wasm and b/substrate/executor/wasm/target/wasm32-unknown-unknown/release/runtime_test.wasm differ
diff --git a/substrate/runtime-sandbox/without_std.rs b/substrate/runtime-sandbox/without_std.rs
index 1d205bd7a6978..860d24f43c34b 100755
--- a/substrate/runtime-sandbox/without_std.rs
+++ b/substrate/runtime-sandbox/without_std.rs
@@ -57,7 +57,8 @@ mod ffi {
 			imports_len: usize,
 			state: usize,
 		) -> u32;
-		pub fn ext_sandbox_invoke(
+		// TODO: Rename it back to 'ext_sandbox_invoke'.
+		pub fn ext_sandbox_invoke_poc2(
 			instance_idx: u32,
 			export_ptr: *const u8,
 			export_len: usize,
@@ -271,7 +272,7 @@ impl<T> Instance<T> {
 		let mut return_val = vec![0u8; sandbox_primitives::ReturnValue::ENCODED_MAX_SIZE];
 
 		let result = unsafe {
-			ffi::ext_sandbox_invoke(
+			ffi::ext_sandbox_invoke_poc2(
 				self.instance_idx,
 				name.as_ptr(),
 				name.len(),
diff --git a/substrate/test-runtime/wasm/Cargo.lock b/substrate/test-runtime/wasm/Cargo.lock
index c795055b8e86e..9a04185ff1eb3 100644
--- a/substrate/test-runtime/wasm/Cargo.lock
+++ b/substrate/test-runtime/wasm/Cargo.lock
@@ -1,3 +1,16 @@
+[[package]]
+name = "aho-corasick"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ansi_term"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "arrayvec"
 version = "0.4.7"
@@ -6,6 +19,16 @@ dependencies = [
  "nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "atty"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "base58"
 version = "0.1.0"
@@ -101,10 +124,24 @@ dependencies = [
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "env_logger"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "environmental"
 version = "0.1.0"
 
+[[package]]
+name = "error-chain"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "ethbloom"
 version = "0.5.0"
@@ -117,6 +154,27 @@ dependencies = [
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ethcore-bytes"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+
+[[package]]
+name = "ethcore-logger"
+version = "1.12.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ethereum-types"
 version = "0.3.2"
@@ -178,6 +236,15 @@ name = "gcc"
 version = "0.3.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "hashdb"
+version = "0.1.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+]
+
 [[package]]
 name = "heapsize"
 version = "0.4.2"
@@ -218,6 +285,25 @@ dependencies = [
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "keccak-hash"
+version = "0.1.2"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "kvdb"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-bytes 0.1.0 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "lazy_static"
 version = "0.2.11"
@@ -249,6 +335,14 @@ dependencies = [
  "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "memchr"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.2.1"
@@ -259,6 +353,20 @@ name = "memory_units"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "memorydb"
+version = "0.1.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "plain_hasher 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "nodrop"
 version = "0.1.12"
@@ -295,6 +403,15 @@ dependencies = [
  "parking_lot 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.5.5"
@@ -315,6 +432,33 @@ dependencies = [
  "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "patricia-trie"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-bytes 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "ethcore-logger 1.12.0 (git+https://github.com/paritytech/parity.git)",
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memorydb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+ "triehash 0.1.0 (git+https://github.com/paritytech/parity.git)",
+]
+
+[[package]]
+name = "plain_hasher"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+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 = "proc-macro-hack"
 version = "0.4.0"
@@ -396,6 +540,39 @@ dependencies = [
  "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.1.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "redox_termios"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.0.1 (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 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ring"
 version = "0.12.1"
@@ -408,6 +585,17 @@ dependencies = [
  "untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rlp"
+version = "0.2.1"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "elastic-array 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)",
+ "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rlp"
 version = "0.2.2"
@@ -562,7 +750,14 @@ name = "substrate-state-machine"
 version = "0.1.0"
 dependencies = [
  "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethereum-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashdb 0.1.1 (git+https://github.com/paritytech/parity.git)",
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb 0.1.0 (git+https://github.com/paritytech/parity.git)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memorydb 0.1.1 (git+https://github.com/paritytech/parity.git)",
+ "parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "patricia-trie 0.1.0 (git+https://github.com/paritytech/parity.git)",
  "substrate-primitives 0.1.0",
  "triehash 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -592,6 +787,35 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "termion"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "thread_local"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "time"
+version = "0.1.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tiny-keccak"
 version = "1.4.2"
@@ -600,6 +824,17 @@ dependencies = [
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "triehash"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/parity.git#dec390a89fe038337399315daf15e628ffbb4d8e"
+dependencies = [
+ "elastic-array 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)",
+ "keccak-hash 0.1.2 (git+https://github.com/paritytech/parity.git)",
+ "rlp 0.2.1 (git+https://github.com/paritytech/parity.git)",
+]
+
 [[package]]
 name = "triehash"
 version = "0.1.2"
@@ -619,6 +854,11 @@ dependencies = [
  "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ucd-util"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "uint"
 version = "0.1.2"
@@ -645,11 +885,29 @@ name = "unicode-xid"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "unreachable"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "untrusted"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "utf8-ranges"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "wasmi"
 version = "0.1.3"
@@ -680,7 +938,10 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [metadata]
+"checksum aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6531d44de723825aa81398a6415283229725a00fa30713812ab9323faa82fc4"
+"checksum ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6b3568b48b7cefa6b8ce125f9bb4989e52fbcc29ebea88df04cc7c5f12f70455"
 "checksum arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)" = "a1e964f9e24d588183fcb43503abda40d288c8657dfc27311516ce2f05675aef"
+"checksum atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "2fc4a1aa4c24c0718a250f0681885c1af91419d242f29eb8f2ab28502d80dbd1"
 "checksum base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5024ee8015f02155eee35c711107ddd9a9bf3cb689cf2a9089c97e79b6e1ae83"
 "checksum bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d0c54bb8f454c567f21197eefcdbf5679d0bd99f2ddbe52e84c77061952e6789"
 "checksum blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "5d6d530bdd2d52966a6d03b7a964add7ae1a288d25214066fd4b600f0f796400"
@@ -693,7 +954,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
 "checksum crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a2f4a431c5c9f662e1200b7c7f02c34e91361150e382089a8f2dec3ba680cbda"
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diff --git a/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.wasm b/substrate/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.wasm
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