diff --git a/tests/tmptst/package.json b/tests/tmptst/package.json
index e2ad2c4..b181961 100644
--- a/tests/tmptst/package.json
+++ b/tests/tmptst/package.json
@@ -7,7 +7,7 @@
     "@0xproject/web3-wrapper": "^2.0.1",
     "ethereum-types": "^1.0.5",
     "ethers": "^3.0.27",
-    "lodash": "^4.17.10",
+    "lodash": "^4.17.21",
     "sane-subproviders": "github:enumatech/sane-subproviders"
   },
   "devDependencies": {
diff --git a/tests/tmptst/pnpm-lock.yaml b/tests/tmptst/pnpm-lock.yaml
index 550b260..36f6c68 100644
--- a/tests/tmptst/pnpm-lock.yaml
+++ b/tests/tmptst/pnpm-lock.yaml
@@ -1,62 +1,84 @@
+lockfileVersion: '6.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
 dependencies:
-  '@0xproject/base-contract': 2.0.5
-  '@0xproject/utils': 1.0.11
-  '@0xproject/web3-wrapper': 2.0.3
-  ethereum-types: 1.1.6
-  ethers: 3.0.29
-  lodash: 4.17.11
-  sane-subproviders: github.com/enumatech/sane-subproviders/e96c457222f3de73215fd3783952df0927dc459c
+  '@0xproject/base-contract':
+    specifier: ^2.0.1
+    version: 2.0.5
+  '@0xproject/utils':
+    specifier: ^1.0.7
+    version: 1.0.11
+  '@0xproject/web3-wrapper':
+    specifier: ^2.0.1
+    version: 2.0.3
+  ethereum-types:
+    specifier: ^1.0.5
+    version: 1.1.6
+  ethers:
+    specifier: ^3.0.27
+    version: 3.0.29
+  lodash:
+    specifier: ^4.17.21
+    version: 4.17.21
+  sane-subproviders:
+    specifier: github:enumatech/sane-subproviders
+    version: github.com/enumatech/sane-subproviders/e96c457222f3de73215fd3783952df0927dc459c(request@2.88.2)
+
 devDependencies:
-  typescript: 3.5.2
-lockfileVersion: 5
+  typescript:
+    specifier: ^3.0.3
+    version: 3.5.2
+
 packages:
-  /@0xproject/assert/1.0.13:
+
+  /@0xproject/assert@1.0.13:
+    resolution: {integrity: sha512-qL9++/HspndCP7CvvMJ6ns7vJUyQDIlwt93hYJz9IoqL6fDsU+smSEwUpGMExlS/zotCc3MMgliuT5uaH1t1kw==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@0xproject/json-schemas': 1.0.7
       '@0xproject/typescript-typings': 3.0.2
       '@0xproject/utils': 2.0.2
-      lodash: 4.17.11
+      lodash: 4.17.21
       valid-url: 1.0.9
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-qL9++/HspndCP7CvvMJ6ns7vJUyQDIlwt93hYJz9IoqL6fDsU+smSEwUpGMExlS/zotCc3MMgliuT5uaH1t1kw==
-  /@0xproject/base-contract/2.0.5:
+
+  /@0xproject/base-contract@2.0.5:
+    resolution: {integrity: sha512-IqPsiThzvlguLqaW0dxWOy/HM5Axk5ak0XBPCVGIdoJYo6bh81XLL+8snEmAsL9QbRJKAAXwBlC6GZBGID6GHA==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@0xproject/typescript-typings': 2.0.2
       '@0xproject/utils': 1.0.11
       '@0xproject/web3-wrapper': 3.0.3
       ethereum-types: 1.1.6
       ethers: 3.0.22
-      lodash: 4.17.11
+      lodash: 4.17.21
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-IqPsiThzvlguLqaW0dxWOy/HM5Axk5ak0XBPCVGIdoJYo6bh81XLL+8snEmAsL9QbRJKAAXwBlC6GZBGID6GHA==
-  /@0xproject/json-schemas/1.0.7:
+
+  /@0xproject/json-schemas@1.0.7:
+    resolution: {integrity: sha512-A4oG8lrA+YFAyzBIKoREVNbTrgCjJ5gvl462my+tTO3kkouR8zP/tk8LW++2C17wfraYZ0gXjbKP7WCEaHnQAw==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@0xproject/typescript-typings': 3.0.2
       '@types/node': 12.0.10
       jsonschema: 1.2.4
       lodash.values: 4.3.0
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-A4oG8lrA+YFAyzBIKoREVNbTrgCjJ5gvl462my+tTO3kkouR8zP/tk8LW++2C17wfraYZ0gXjbKP7WCEaHnQAw==
-  /@0xproject/types/1.1.4:
+
+  /@0xproject/types@1.1.4:
+    resolution: {integrity: sha512-kPVXvVDDoHhi/q3PSe3F5NbBFiIT8FfPG73J2WrLrXptf54vTSffbK3D+NMpwb12tk/q0KgdEPwNz6nhY1+xmw==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@types/node': 12.0.10
       bignumber.js: 4.1.0
       ethereum-types: 1.1.6
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-kPVXvVDDoHhi/q3PSe3F5NbBFiIT8FfPG73J2WrLrXptf54vTSffbK3D+NMpwb12tk/q0KgdEPwNz6nhY1+xmw==
-  /@0xproject/typescript-typings/1.0.5:
+
+  /@0xproject/typescript-typings@1.0.5:
+    resolution: {integrity: sha512-7CX1MXvlIgay3wt6vRYJzEPIzc6+ESP8rY1C7SopjLOKfkkSXSAwlO3xUwn3QEkU5kPMGEn88BO8r5CwAdrk3g==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@types/bn.js': 4.11.5
       '@types/react': 16.8.22
@@ -64,11 +86,10 @@ packages:
       ethereum-types: 1.1.6
       popper.js: 1.14.3
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-7CX1MXvlIgay3wt6vRYJzEPIzc6+ESP8rY1C7SopjLOKfkkSXSAwlO3xUwn3QEkU5kPMGEn88BO8r5CwAdrk3g==
-  /@0xproject/typescript-typings/2.0.2:
+
+  /@0xproject/typescript-typings@2.0.2:
+    resolution: {integrity: sha512-kfwCwylCVHtOSRiq7llwpOyWbJcH7DpMB5nBE4WE/grnb+fb1RS576WUqvnZ6VTezb4D8TV9rl3KO+/HrJi4+w==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@types/bn.js': 4.11.5
       '@types/react': 16.8.22
@@ -76,11 +97,10 @@ packages:
       ethereum-types: 1.1.6
       popper.js: 1.14.3
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-kfwCwylCVHtOSRiq7llwpOyWbJcH7DpMB5nBE4WE/grnb+fb1RS576WUqvnZ6VTezb4D8TV9rl3KO+/HrJi4+w==
-  /@0xproject/typescript-typings/3.0.2:
+
+  /@0xproject/typescript-typings@3.0.2:
+    resolution: {integrity: sha512-RuTWApc/SqXi+mZGHNR4j3RdvuMdGsJf8mdohPGZNrEnb+Fw5ufYAEf1KQkNU2Rm5cGfQ8NQQW4GFLsJkK+QEw==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@types/bn.js': 4.11.5
       '@types/react': 16.8.22
@@ -88,11 +108,10 @@ packages:
       ethereum-types: 1.1.6
       popper.js: 1.14.3
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-RuTWApc/SqXi+mZGHNR4j3RdvuMdGsJf8mdohPGZNrEnb+Fw5ufYAEf1KQkNU2Rm5cGfQ8NQQW4GFLsJkK+QEw==
-  /@0xproject/utils/1.0.11:
+
+  /@0xproject/utils@1.0.11:
+    resolution: {integrity: sha512-dUJx3OG0D6x+WFeD3moMvmVLUNXnMZCl9+GSLflO/LXDIYvuLu9tdjmQDLCUKppC3w+6LlvzO+zd8SOObIXW9A==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@0xproject/types': 1.1.4
       '@0xproject/typescript-typings': 2.0.2
@@ -105,13 +124,12 @@ packages:
       ethers: 3.0.22
       isomorphic-fetch: 2.2.1
       js-sha3: 0.7.0
-      lodash: 4.17.11
+      lodash: 4.17.21
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-dUJx3OG0D6x+WFeD3moMvmVLUNXnMZCl9+GSLflO/LXDIYvuLu9tdjmQDLCUKppC3w+6LlvzO+zd8SOObIXW9A==
-  /@0xproject/utils/2.0.2:
+
+  /@0xproject/utils@2.0.2:
+    resolution: {integrity: sha512-4hzplD8lXcjEu/CM2gmw7tzVYbxZ6HqU0YGX+nGvE8fiFSPkdbHiBgLvlST1bF8M7D854v/sRCirAuP5FbJf1A==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@0xproject/types': 1.1.4
       '@0xproject/typescript-typings': 3.0.2
@@ -124,13 +142,12 @@ packages:
       ethers: 4.0.0-beta.14
       isomorphic-fetch: 2.2.1
       js-sha3: 0.7.0
-      lodash: 4.17.11
+      lodash: 4.17.21
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-4hzplD8lXcjEu/CM2gmw7tzVYbxZ6HqU0YGX+nGvE8fiFSPkdbHiBgLvlST1bF8M7D854v/sRCirAuP5FbJf1A==
-  /@0xproject/web3-wrapper/2.0.3:
+
+  /@0xproject/web3-wrapper@2.0.3:
+    resolution: {integrity: sha512-89wz5Qr0cy5PSq9vwtB1zOCPwzhAfuziEUtbccvYWm/+M4tWKgp91DEhIy/wYbORZ+i63+0f5y0DHn2iJWXyYQ==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@0xproject/assert': 1.0.13
       '@0xproject/json-schemas': 1.0.7
@@ -139,13 +156,12 @@ packages:
       ethereum-types: 1.1.6
       ethereumjs-util: 5.2.0
       ethers: 3.0.22
-      lodash: 4.17.11
+      lodash: 4.17.21
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-89wz5Qr0cy5PSq9vwtB1zOCPwzhAfuziEUtbccvYWm/+M4tWKgp91DEhIy/wYbORZ+i63+0f5y0DHn2iJWXyYQ==
-  /@0xproject/web3-wrapper/3.0.3:
+
+  /@0xproject/web3-wrapper@3.0.3:
+    resolution: {integrity: sha512-eSg60Q/H2H7A7/gEcfUeUhcz9svgd+zyfLhjnBCpqNS4j0Qdy359ZVb+mGjJk5w+8seAXMLKYDNb1HTr2dmtYg==}
+    engines: {node: '>=6.12'}
     dependencies:
       '@0xproject/assert': 1.0.13
       '@0xproject/json-schemas': 1.0.7
@@ -154,70 +170,106 @@ packages:
       ethereum-types: 1.1.6
       ethereumjs-util: 5.2.0
       ethers: 4.0.0-beta.14
-      lodash: 4.17.11
+      lodash: 4.17.21
     dev: false
-    engines:
-      node: '>=6.12'
-    resolution:
-      integrity: sha512-eSg60Q/H2H7A7/gEcfUeUhcz9svgd+zyfLhjnBCpqNS4j0Qdy359ZVb+mGjJk5w+8seAXMLKYDNb1HTr2dmtYg==
-  /@types/bn.js/4.11.5:
+
+  /@types/bn.js@4.11.5:
+    resolution: {integrity: sha512-AEAZcIZga0JgVMHNtl1CprA/hXX7/wPt79AgR4XqaDt7jyj3QWYw6LPoOiznPtugDmlubUnAahMs2PFxGcQrng==}
     dependencies:
       '@types/node': 12.0.10
     dev: false
-    resolution:
-      integrity: sha512-AEAZcIZga0JgVMHNtl1CprA/hXX7/wPt79AgR4XqaDt7jyj3QWYw6LPoOiznPtugDmlubUnAahMs2PFxGcQrng==
-  /@types/node/10.14.10:
+
+  /@types/node@10.14.10:
+    resolution: {integrity: sha512-V8wj+w2YMNvGuhgl/MA5fmTxgjmVHVoasfIaxMMZJV6Y8Kk+Ydpi1z2whoShDCJ2BuNVoqH/h1hrygnBxkrw/Q==}
     dev: false
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-  /@types/node/12.0.10:
+
+  /@types/node@12.0.10:
+    resolution: {integrity: sha512-LcsGbPomWsad6wmMNv7nBLw7YYYyfdYcz6xryKYQhx89c3XXan+8Q6AJ43G5XDIaklaVkK3mE4fCb0SBvMiPSQ==}
     dev: false
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-  /@types/prop-types/15.7.1:
+
+  /@types/prop-types@15.7.1:
+    resolution: {integrity: sha512-CFzn9idOEpHrgdw8JsoTkaDDyRWk1jrzIV8djzcgpq0y9tG4B4lFT+Nxh52DVpDXV+n4+NPNv7M1Dj5uMp6XFg==}
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-  /@types/react/16.8.22:
+
+  /@types/react@16.8.22:
+    resolution: {integrity: sha512-C3O1yVqk4sUXqWyx0wlys76eQfhrQhiDhDlHBrjER76lR2S2Agiid/KpOU9oCqj1dISStscz7xXz1Cg8+sCQeA==}
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-  /abortcontroller-polyfill/1.3.0:
+
+  /abortcontroller-polyfill@1.3.0:
+    resolution: {integrity: sha512-lbWQgf+eRvku3va8poBlDBO12FigTQr9Zb7NIjXrePrhxWVKdCP2wbDl1tLDaYa18PWTom3UEWwdH13S46I+yA==}
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-  /aes-js/3.0.0:
+
+  /aes-js@3.0.0:
+    resolution: {integrity: sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=}
     dev: false
-    resolution:
-      integrity: sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=
-  /bignumber.js/4.1.0:
+
+  /ajv@6.12.6:
+    resolution: {integrity: sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==}
+    dependencies:
+      fast-deep-equal: 3.1.3
+      fast-json-stable-stringify: 2.1.0
+      json-schema-traverse: 0.4.1
+      uri-js: 4.4.1
+    dev: false
+
+  /asn1@0.2.6:
+    resolution: {integrity: sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==}
+    dependencies:
+      safer-buffer: 2.1.2
+    dev: false
+
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+    resolution: {integrity: sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==}
+    engines: {node: '>=0.8'}
+    dev: false
+
+  /asynckit@0.4.0:
+    resolution: {integrity: sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==}
+    dev: false
+
+  /aws-sign2@0.7.0:
+    resolution: {integrity: sha512-08kcGqnYf/YmjoRhfxyu+CLxBjUtHLXLXX/vUfx9l2LYzG3c1m61nrpyFUZI6zeS+Li/wWMMidD9KgrqtGq3mA==}
+    dev: false
+
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+    resolution: {integrity: sha512-NmWvPnx0F1SfrQbYwOi7OeaNGokp9XhzNioJ/CSBs8Qa4vxug81mhJEAVZwxXuBmYB5KDRfMq/F3RR0BIU7sWg==}
+    dev: false
+
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+    resolution: {integrity: sha512-qeFIXtP4MSoi6NLqO12WfqARWWuCKi2Rn/9hJLEmtB5yTNr9DqFWkJRCf2qShWzPeAMRnOgCrq0sg/KLv5ES9w==}
+    dependencies:
+      tweetnacl: 0.14.5
+    dev: false
+
+  /bignumber.js@4.1.0:
+    resolution: {integrity: sha512-eJzYkFYy9L4JzXsbymsFn3p54D+llV27oTQ+ziJG7WFRheJcNZilgVXMG0LoZtlQSKBsJdWtLFqOD0u+U0jZKA==}
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-  /bindings/1.5.0:
+
+  /bindings@1.5.0:
+    resolution: {integrity: sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==}
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-  /bip66/1.1.5:
+
+  /bip66@1.1.5:
+    resolution: {integrity: sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=}
     dependencies:
       safe-buffer: 5.1.2
     dev: false
-    resolution:
-      integrity: sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=
-  /bn.js/4.11.8:
+
+  /bn.js@4.11.8:
+    resolution: {integrity: sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==}
     dev: false
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-  /brorand/1.1.0:
+
+  /brorand@1.1.0:
+    resolution: {integrity: sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=}
     dev: false
-    resolution:
-      integrity: sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
-  /browserify-aes/1.2.0:
+
+  /browserify-aes@1.2.0:
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     dependencies:
       buffer-xor: 1.0.3
       cipher-base: 1.0.4
@@ -226,20 +278,35 @@ packages:
       inherits: 2.0.4
       safe-buffer: 5.1.2
     dev: false
-    resolution:
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-  /buffer-xor/1.0.3:
+
+  /buffer-xor@1.0.3:
+    resolution: {integrity: sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=}
     dev: false
-    resolution:
-      integrity: sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
-  /cipher-base/1.0.4:
+
+  /caseless@0.12.0:
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+    dev: false
+
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-  /create-hash/1.2.0:
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+  /combined-stream@1.0.8:
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-  /create-hmac/1.1.7:
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       brorand: 1.1.0
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-    resolution:
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-  /elliptic/6.5.0:
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     dev: false
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-  /ethereum-types/1.1.6:
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-  /ethereumjs-util/5.2.0:
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-  /ethers/3.0.22:
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+  /valid-url@1.0.9:
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     dev: false
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+  /whatwg-fetch@3.0.0:
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-  github.com/enumatech/sane-subproviders/e96c457222f3de73215fd3783952df0927dc459c:
+
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     dev: false
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