diff --git a/packages/protocol/package.json b/packages/protocol/package.json
index 808993369..44004869b 100644
--- a/packages/protocol/package.json
+++ b/packages/protocol/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@0x/sol-coverage": "^3.0.0",
-    "@0x/sol-profiler": "^3.1.2",
+    "@0x/sol-profiler": "^4.0.6",
     "@0x/sol-trace": "^2.0.8",
     "@0x/subproviders": "^5.0.1",
     "@aztec/bn128": "0.0.0-semantically-released",
diff --git a/yarn.lock b/yarn.lock
index 1efc52ee9..109c8cca6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13,6 +13,17 @@
     lodash "^4.17.11"
     valid-url "^1.0.9"
 
+"@0x/assert@^3.0.5":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@0x/assert/-/assert-3.0.5.tgz#d68254203c411b44d58bcf264f887f64b5695804"
+  integrity sha512-keoV7EkeoheW+O+gEWiaF090pVZD3ZrJUdH1lKIjsvIdgdVHqMdiHMz6JxodAWkZWmm/8Fq7qweXoMXknRzfuQ==
+  dependencies:
+    "@0x/json-schemas" "^5.0.5"
+    "@0x/typescript-typings" "^5.0.1"
+    "@0x/utils" "^5.3.0"
+    lodash "^4.17.11"
+    valid-url "^1.0.9"
+
 "@0x/dev-utils@^2.3.3":
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/@0x/dev-utils/-/dev-utils-2.3.3.tgz#9b6df00fea357fa6da02b35ca93fc89d100e1992"
@@ -28,6 +39,25 @@
     ethereum-types "^2.1.6"
     lodash "^4.17.11"
 
+"@0x/dev-utils@^3.1.3":
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/@0x/dev-utils/-/dev-utils-3.1.3.tgz#68eb17c92592a3992e014ddb714e4f15b380f8a7"
+  integrity sha512-0eCE+WsJPmKFu1fRQZBn1vt/SkHCPJbi1OXjAz3QjMvo1pkPio2fwT1LmvKeKYGtP18zF2ohX4m+dulYbVUV2Q==
+  dependencies:
+    "@0x/subproviders" "^6.0.6"
+    "@0x/types" "^3.1.1"
+    "@0x/typescript-typings" "^5.0.1"
+    "@0x/utils" "^5.3.0"
+    "@0x/web3-wrapper" "^7.0.5"
+    "@types/web3-provider-engine" "^14.0.0"
+    chai "^4.0.1"
+    chai-as-promised "^7.1.0"
+    chai-bignumber "^3.0.0"
+    dirty-chai "^2.0.1"
+    ethereum-types "^3.0.0"
+    lodash "^4.17.11"
+    web3-provider-engine "14.0.6"
+
 "@0x/json-schemas@^4.0.2":
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/@0x/json-schemas/-/json-schemas-4.0.2.tgz#6f7c1dcde04d3acc3e8ca2f24177b9705c10e772"
@@ -38,6 +68,16 @@
     jsonschema "^1.2.0"
     lodash.values "^4.3.0"
 
+"@0x/json-schemas@^5.0.5":
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/@0x/json-schemas/-/json-schemas-5.0.5.tgz#47f16cafcb4a43645d9dac5e18ab6c3c38eb5454"
+  integrity sha512-17il0Dj5wNmUMcCNL48TVIOPLL1iUI8DS3CO32JIb1RzvPi04bThUxp27FMS0gLuqJFx3UVopDpMklkhVMFKYA==
+  dependencies:
+    "@0x/typescript-typings" "^5.0.1"
+    "@types/node" "*"
+    jsonschema "^1.2.0"
+    lodash.values "^4.3.0"
+
 "@0x/sol-compiler@^3.1.15":
   version "3.1.15"
   resolved "https://registry.yarnpkg.com/@0x/sol-compiler/-/sol-compiler-3.1.15.tgz#aaaad55008dddd69ad1e3226aa4a2832e0dd13b3"
@@ -65,6 +105,33 @@
     web3-eth-abi "^1.0.0-beta.24"
     yargs "^10.0.3"
 
+"@0x/sol-compiler@^4.0.6":
+  version "4.0.6"
+  resolved "https://registry.yarnpkg.com/@0x/sol-compiler/-/sol-compiler-4.0.6.tgz#7cc78edddd1790fb527e14d420dc2c2cf0188fe3"
+  integrity sha512-c29az56oeFRnA9kd3nl/5X8eB3lPwsZh5fuTjJ/k72ZUh3WekncEQeR5H2ndHRqvdh/LtQVJYHgX687M6q+nFA==
+  dependencies:
+    "@0x/assert" "^3.0.5"
+    "@0x/json-schemas" "^5.0.5"
+    "@0x/sol-resolver" "^3.0.2"
+    "@0x/types" "^3.1.1"
+    "@0x/typescript-typings" "^5.0.1"
+    "@0x/utils" "^5.3.0"
+    "@0x/web3-wrapper" "^7.0.5"
+    "@types/yargs" "^11.0.0"
+    chalk "^2.3.0"
+    chokidar "^3.0.2"
+    ethereum-types "^3.0.0"
+    ethereumjs-util "^5.1.1"
+    lodash "^4.17.11"
+    mkdirp "^0.5.1"
+    pluralize "^7.0.0"
+    require-from-string "^2.0.1"
+    semver "5.5.0"
+    solc "^0.5.5"
+    source-map-support "^0.5.0"
+    web3-eth-abi "^1.0.0-beta.24"
+    yargs "^10.0.3"
+
 "@0x/sol-coverage@^3.0.0":
   version "3.0.12"
   resolved "https://registry.yarnpkg.com/@0x/sol-coverage/-/sol-coverage-3.0.12.tgz#4ca602495f7bcc4f045854850cd7f20fdf64e984"
@@ -79,16 +146,16 @@
     minimatch "^3.0.4"
     web3-provider-engine "14.0.6"
 
-"@0x/sol-profiler@^3.1.2":
-  version "3.1.14"
-  resolved "https://registry.yarnpkg.com/@0x/sol-profiler/-/sol-profiler-3.1.14.tgz#5cbdb20b0f55a521791b977750c19939e0cda726"
-  integrity sha512-XGBNgG6p5il8d831jrm9Xt3BQgjZxcywX1r5TOquHlBnfae9RFf/klNA60w8dW3GygugnIc9PzKtgR1EgWN3Ng==
-  dependencies:
-    "@0x/sol-tracing-utils" "^6.0.19"
-    "@0x/subproviders" "^5.0.4"
-    "@0x/typescript-typings" "^4.3.0"
-    "@0x/utils" "^4.5.2"
-    ethereum-types "^2.1.6"
+"@0x/sol-profiler@^4.0.6":
+  version "4.0.6"
+  resolved "https://registry.yarnpkg.com/@0x/sol-profiler/-/sol-profiler-4.0.6.tgz#01c4f5c7a9f98bb666e228e139757c797e866cd4"
+  integrity sha512-hIftELx/9mKGYKdbhxhmairZOvzYMLvdMi2Zdxj0KkJ+UJP7IbC8yoATJbYAOFXYvgxmBcyTrjqFQwZ+yEmBxQ==
+  dependencies:
+    "@0x/sol-tracing-utils" "^7.0.6"
+    "@0x/subproviders" "^6.0.6"
+    "@0x/typescript-typings" "^5.0.1"
+    "@0x/utils" "^5.3.0"
+    ethereum-types "^3.0.0"
     ethereumjs-util "^5.1.1"
     lodash "^4.17.11"
     web3-provider-engine "14.0.6"
@@ -102,6 +169,15 @@
     "@0x/typescript-typings" "^4.3.0"
     lodash "^4.17.11"
 
+"@0x/sol-resolver@^3.0.2":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@0x/sol-resolver/-/sol-resolver-3.0.2.tgz#2f89df2f049d5ea8501ee1fc2a1d0866a0b3c761"
+  integrity sha512-+FseY6gmifzrrtnHt70hNezmCDavVd69MqT/r2uyxXtgz2F3oegkPBTBYo4/sxrdiSA+2tYFcqGHNiMDtx6ELA==
+  dependencies:
+    "@0x/types" "^3.1.1"
+    "@0x/typescript-typings" "^5.0.1"
+    lodash "^4.17.11"
+
 "@0x/sol-trace@^2.0.8":
   version "2.0.20"
   resolved "https://registry.yarnpkg.com/@0x/sol-trace/-/sol-trace-2.0.20.tgz#4c14af3f5c30ab50882e9667926ca9533446711d"
@@ -144,6 +220,33 @@
     solc "^0.5.5"
     solidity-parser-antlr "^0.4.2"
 
+"@0x/sol-tracing-utils@^7.0.6":
+  version "7.0.6"
+  resolved "https://registry.yarnpkg.com/@0x/sol-tracing-utils/-/sol-tracing-utils-7.0.6.tgz#f4d264e17f311cb7da7918df3474411773386de4"
+  integrity sha512-Jgxd2Qj7jO/sSlQEk57flrwsNYhX3mLgx+so498mboNsqNsVU0VCSzCVV8z0C6jcXMSaAKS5uH4z4RlHCDkThg==
+  dependencies:
+    "@0x/dev-utils" "^3.1.3"
+    "@0x/sol-compiler" "^4.0.6"
+    "@0x/sol-resolver" "^3.0.2"
+    "@0x/subproviders" "^6.0.6"
+    "@0x/typescript-typings" "^5.0.1"
+    "@0x/utils" "^5.3.0"
+    "@0x/web3-wrapper" "^7.0.5"
+    "@types/solidity-parser-antlr" "^0.2.3"
+    chalk "^2.3.0"
+    ethereum-types "^3.0.0"
+    ethereumjs-util "^5.1.1"
+    ethers "~4.0.4"
+    glob "^7.1.2"
+    istanbul "^0.4.5"
+    lodash "^4.17.11"
+    loglevel "^1.6.1"
+    mkdirp "^0.5.1"
+    rimraf "^2.6.2"
+    semaphore-async-await "^1.5.1"
+    solc "^0.5.5"
+    solidity-parser-antlr "^0.4.2"
+
 "@0x/subproviders@^5.0.1", "@0x/subproviders@^5.0.4":
   version "5.0.4"
   resolved "https://registry.yarnpkg.com/@0x/subproviders/-/subproviders-5.0.4.tgz#e4b165634ef6a50c4bd41baacf0dbd2a9390c2f8"
@@ -172,6 +275,34 @@
   optionalDependencies:
     "@ledgerhq/hw-transport-node-hid" "^4.3.0"
 
+"@0x/subproviders@^6.0.6":
+  version "6.0.6"
+  resolved "https://registry.yarnpkg.com/@0x/subproviders/-/subproviders-6.0.6.tgz#fe068e454ee1a5fba82036eff971139f05ac0ca5"
+  integrity sha512-fFv0K9JOb511nOUjKSVLWnZ8y4uRiFrSSPW3twnU/kWB1puvRGpwEQShD1s8YMCYFaHfboFIvMog7Ho3+VErkQ==
+  dependencies:
+    "@0x/assert" "^3.0.5"
+    "@0x/types" "^3.1.1"
+    "@0x/typescript-typings" "^5.0.1"
+    "@0x/utils" "^5.3.0"
+    "@0x/web3-wrapper" "^7.0.5"
+    "@ledgerhq/hw-app-eth" "^4.3.0"
+    "@ledgerhq/hw-transport-u2f" "4.24.0"
+    "@types/hdkey" "^0.7.0"
+    "@types/web3-provider-engine" "^14.0.0"
+    bip39 "^2.5.0"
+    bn.js "^4.11.8"
+    ethereum-types "^3.0.0"
+    ethereumjs-tx "^1.3.5"
+    ethereumjs-util "^5.1.1"
+    ganache-core "^2.9.0-istanbul.0"
+    hdkey "^0.7.1"
+    json-rpc-error "2.0.0"
+    lodash "^4.17.11"
+    semaphore-async-await "^1.5.1"
+    web3-provider-engine "14.0.6"
+  optionalDependencies:
+    "@ledgerhq/hw-transport-node-hid" "^4.3.0"
+
 "@0x/types@^2.4.3":
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/@0x/types/-/types-2.4.3.tgz#ea014889789e9013fdf48ce97b79f2c016e10fb3"
@@ -181,6 +312,15 @@
     bignumber.js "~8.0.2"
     ethereum-types "^2.1.6"
 
+"@0x/types@^3.1.1":
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/@0x/types/-/types-3.1.1.tgz#b20ca76e9516201b9c27621f941696f41ffc9fac"
+  integrity sha512-+TQmzH+chWeDWpc+Lce3/q4X2UEHFfAwZcWrV7tEQ5EVAJvph7gpKawRW2XRsmHeQDSHBmiiBdSZ8Rc/OAjvlQ==
+  dependencies:
+    "@types/node" "*"
+    bignumber.js "~9.0.0"
+    ethereum-types "^3.0.0"
+
 "@0x/typescript-typings@^4.3.0":
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/@0x/typescript-typings/-/typescript-typings-4.3.0.tgz#4813a996ac5101841d1c22f4aa1738ab56168857"
@@ -192,6 +332,17 @@
     ethereum-types "^2.1.6"
     popper.js "1.14.3"
 
+"@0x/typescript-typings@^5.0.1":
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/@0x/typescript-typings/-/typescript-typings-5.0.1.tgz#031e291cc506ecd26d3fe10adf618f4f51ff1510"
+  integrity sha512-zSA39URHkFnL16WD30VMa8wL8va0Khpx9APHffdPWpBOr9SUPdADtae5HO4iNCYvSgo3mrtPlKID2nIqREIHOQ==
+  dependencies:
+    "@types/bn.js" "^4.11.0"
+    "@types/react" "*"
+    bignumber.js "~9.0.0"
+    ethereum-types "^3.0.0"
+    popper.js "1.14.3"
+
 "@0x/utils@^4.5.2":
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/@0x/utils/-/utils-4.5.2.tgz#6cc89f2d0dda341e0fb4e76049a35abfb67a4ac5"
@@ -211,6 +362,25 @@
     js-sha3 "^0.7.0"
     lodash "^4.17.11"
 
+"@0x/utils@^5.3.0":
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/@0x/utils/-/utils-5.3.0.tgz#826868f05a5d2aed6d58cf0e4bf6b89cf9fb64c1"
+  integrity sha512-QMYBvrVIGLDQOivACKg4eDY4cZyzfPdJrtZ2DsLu2CQq6PdyZhvcumRMD89t+jd/Jg1YFrD8l3+BuPmkQkgIbA==
+  dependencies:
+    "@0x/types" "^3.1.1"
+    "@0x/typescript-typings" "^5.0.1"
+    "@types/node" "*"
+    abortcontroller-polyfill "^1.1.9"
+    bignumber.js "~9.0.0"
+    chalk "^2.3.0"
+    detect-node "2.0.3"
+    ethereum-types "^3.0.0"
+    ethereumjs-util "^5.1.1"
+    ethers "~4.0.4"
+    isomorphic-fetch "2.2.1"
+    js-sha3 "^0.7.0"
+    lodash "^4.17.11"
+
 "@0x/web3-wrapper@^6.0.13":
   version "6.0.13"
   resolved "https://registry.yarnpkg.com/@0x/web3-wrapper/-/web3-wrapper-6.0.13.tgz#2e666221bd44ceebe02762028214d4aa41ad7247"
@@ -225,6 +395,20 @@
     ethers "~4.0.4"
     lodash "^4.17.11"
 
+"@0x/web3-wrapper@^7.0.5":
+  version "7.0.5"
+  resolved "https://registry.yarnpkg.com/@0x/web3-wrapper/-/web3-wrapper-7.0.5.tgz#11e1956f465da36709aa753ddd74782b7d97eb1e"
+  integrity sha512-MiSaO4Xq1BjGiGtoaABJxDZogRonbfAP+XD6AKd0XK0T0D9V3sziton6GtZVzZBncmNIaX0iQhp6C/JhHvKbQQ==
+  dependencies:
+    "@0x/assert" "^3.0.5"
+    "@0x/json-schemas" "^5.0.5"
+    "@0x/typescript-typings" "^5.0.1"
+    "@0x/utils" "^5.3.0"
+    ethereum-types "^3.0.0"
+    ethereumjs-util "^5.1.1"
+    ethers "~4.0.4"
+    lodash "^4.17.11"
+
 "@aztec/contract-addresses@1.16.1":
   version "1.16.1"
   resolved "https://registry.yarnpkg.com/@aztec/contract-addresses/-/contract-addresses-1.16.1.tgz#59a3ee5a389739b8d25aa2aa0c25e4ec6ba4cb12"
@@ -5311,7 +5495,7 @@ big.js@^5.2.2:
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
   integrity sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==
 
-bignumber.js@*, bignumber.js@^9.0.0:
+bignumber.js@*, bignumber.js@^9.0.0, bignumber.js@~9.0.0:
   version "9.0.0"
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.0.tgz#805880f84a329b5eac6e7cb6f8274b6d82bdf075"
   integrity sha512-t/OYhhJ2SD+YGBQcjY8GzzDHEk9f3nerxjtfa6tlMXfe7frs/WozhvCNoGvpM0P3bNf3Gq5ZRMlGr5f3r4/N8A==
@@ -6140,6 +6324,18 @@ cbor@^4.1.5:
     json-text-sequence "^0.1"
     nofilter "^1.0.3"
 
+chai-as-promised@^7.1.0:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/chai-as-promised/-/chai-as-promised-7.1.1.tgz#08645d825deb8696ee61725dbf590c012eb00ca0"
+  integrity sha512-azL6xMoi+uxu6z4rhWQ1jbdUhOMhis2PvscD/xjLqNMkv3BPPp2JyyuTHOrf9BOosGpNQ11v6BKv/g57RXbiaA==
+  dependencies:
+    check-error "^1.0.2"
+
+chai-bignumber@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/chai-bignumber/-/chai-bignumber-3.0.0.tgz#e90cf1f468355bbb11a9acd051222586cd2648a9"
+  integrity sha512-SubOtaSI2AILWTWe2j0c6i2yFT/f9J6UBjeVGDuwDiPLkF/U5+/eTWUE3sbCZ1KgcPF6UJsDVYbIxaYA097MQA==
+
 chai@^4.0.1, chai@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/chai/-/chai-4.2.0.tgz#760aa72cf20e3795e84b12877ce0e83737aa29e5"
@@ -8002,6 +8198,11 @@ dir-glob@^3.0.0, dir-glob@^3.0.1:
   dependencies:
     path-type "^4.0.0"
 
+dirty-chai@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/dirty-chai/-/dirty-chai-2.0.1.tgz#6b2162ef17f7943589da840abc96e75bda01aff3"
+  integrity sha512-ys79pWKvDMowIDEPC6Fig8d5THiC0DJ2gmTeGzVAoEH18J8OzLud0Jh7I9IWg3NSk8x2UocznUuFmfHCXYZx9w==
+
 dns-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/dns-equal/-/dns-equal-1.0.0.tgz#b39e7f1da6eb0a75ba9c17324b34753c47e0654d"
@@ -9050,6 +9251,14 @@ ethereum-types@^2.1.6:
     "@types/node" "*"
     bignumber.js "~8.0.2"
 
+ethereum-types@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ethereum-types/-/ethereum-types-3.0.0.tgz#9fa3a98b8b9b64a0fab1864de7bc7fd7b1699fcd"
+  integrity sha512-jRSsiua+e4/89r7M3mqPcP1M2f3TgXxpVmWysy+7pEg2H4lwEQRWarbYfIpWp81NtxrcMQv5bMK+yR1MN4sDpg==
+  dependencies:
+    "@types/node" "*"
+    bignumber.js "~9.0.0"
+
 ethereumjs-abi@0.6.5:
   version "0.6.5"
   resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.5.tgz#5a637ef16ab43473fa72a29ad90871405b3f5241"
@@ -10354,6 +10563,40 @@ ganache-core@^2.6.0, ganache-core@^2.8.0:
     ethereumjs-wallet "0.6.3"
     web3 "1.2.4"
 
+ganache-core@^2.9.0-istanbul.0:
+  version "2.10.1"
+  resolved "https://registry.yarnpkg.com/ganache-core/-/ganache-core-2.10.1.tgz#89af8251b3a89593bfca46dfb837c230ca05e98f"
+  integrity sha512-C53TKRBWfMEeGAkH5idoCbBcNgKPJ+v1dFDVPKeg1D4ZA6N/PAo5HDVLS4UuZOthPqz9s+uEX6GdluOcXVvm4w==
+  dependencies:
+    abstract-leveldown "3.0.0"
+    async "2.6.2"
+    bip39 "2.5.0"
+    cachedown "1.0.0"
+    clone "2.1.2"
+    debug "3.2.6"
+    encoding-down "5.0.4"
+    eth-sig-util "2.3.0"
+    ethereumjs-abi "0.6.7"
+    ethereumjs-account "3.0.0"
+    ethereumjs-block "2.2.2"
+    ethereumjs-common "1.5.0"
+    ethereumjs-tx "2.1.2"
+    ethereumjs-util "6.1.0"
+    ethereumjs-vm "4.1.3"
+    heap "0.2.6"
+    level-sublevel "6.6.4"
+    levelup "3.1.1"
+    lodash "4.17.14"
+    merkle-patricia-tree "2.3.2"
+    seedrandom "3.0.1"
+    source-map-support "0.5.12"
+    tmp "0.1.0"
+    web3-provider-engine "14.2.1"
+    websocket "1.0.29"
+  optionalDependencies:
+    ethereumjs-wallet "0.6.3"
+    web3 "1.2.4"
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"