From 2b6eb87fd75c67e58a6553976ab3ec843bf10ebe Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 30 Jul 2020 08:57:57 +0000
Subject: [PATCH] Bump elliptic from 6.4.1 to 6.5.3

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.4.1 to 6.5.3.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](https://github.com/indutny/elliptic/compare/v6.4.1...v6.5.3)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 1783 +++++++++++++++++++++++++++++++++++++++++++--
 yarn.lock         |   31 +-
 2 files changed, 1725 insertions(+), 89 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 52d0e18..d67043d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,57 @@
         "@babel/types": "^7.0.0"
       }
     },
+    "@babel/helper-plugin-utils": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-plugin-utils/-/helper-plugin-utils-7.10.4.tgz",
+      "integrity": "sha512-O4KCvQA6lLiMU9l2eawBPMf1xPP8xPfB3iEQw150hOVTqj/rfXz0ThTb4HEzqQfs2Bmo5Ay8BzxfzVtBrr9dVg=="
+    },
+    "@babel/helper-validator-identifier": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
+      "integrity": "sha512-3U9y+43hz7ZM+rzG24Qe2mufW5KhvFg/NhnNph+i9mgCtdTCtMJuI1TMkrIUiK7Ix4PYlRF9I5dhqaLYA/ADXw=="
+    },
+    "@babel/plugin-transform-runtime": {
+      "version": "7.10.5",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.10.5.tgz",
+      "integrity": "sha512-tV4V/FjElJ9lQtyjr5xD2IFFbgY46r7EeVu5a8CpEKT5laheHKSlFeHjpkPppW3PqzGLAuv5k2qZX5LgVZIX5w==",
+      "requires": {
+        "@babel/helper-module-imports": "^7.10.4",
+        "@babel/helper-plugin-utils": "^7.10.4",
+        "resolve": "^1.8.1",
+        "semver": "^5.5.1"
+      },
+      "dependencies": {
+        "@babel/helper-module-imports": {
+          "version": "7.10.4",
+          "resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.10.4.tgz",
+          "integrity": "sha512-nEQJHqYavI217oD9+s5MUBzk6x1IlvoS9WTPfgG43CbMEeStE0v+r+TucWdx8KFGowPGvyOkDT9+7DHedIDnVw==",
+          "requires": {
+            "@babel/types": "^7.10.4"
+          }
+        },
+        "@babel/types": {
+          "version": "7.10.5",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.10.5.tgz",
+          "integrity": "sha512-ixV66KWfCI6GKoA/2H9v6bQdbfXEwwpOdQ8cRvb4F+eyvhlaHxWFMQB4+3d9QFJXZsiiiqVrewNV0DFEQpyT4Q==",
+          "requires": {
+            "@babel/helper-validator-identifier": "^7.10.4",
+            "lodash": "^4.17.19",
+            "to-fast-properties": "^2.0.0"
+          }
+        },
+        "lodash": {
+          "version": "4.17.19",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+        },
+        "to-fast-properties": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+          "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4="
+        }
+      }
+    },
     "@babel/runtime": {
       "version": "7.0.0-beta.42",
       "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.0.0-beta.42.tgz",
@@ -94,6 +145,210 @@
       "resolved": "https://registry.npmjs.org/@emotion/utils/-/utils-0.8.2.tgz",
       "integrity": "sha1-V2/3+xIwGFthmnXSWMvJjwhnqNw="
     },
+    "@portis/eth-json-rpc-middleware": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/@portis/eth-json-rpc-middleware/-/eth-json-rpc-middleware-4.1.2.tgz",
+      "integrity": "sha512-LUV0JgV6jphhfmYyElpFYfEzKhxaW2VYB/trWJK7+68s4PNyMMYR94hheXRh9T2lBomSVpdbySfYxjWVLAMKwA==",
+      "requires": {
+        "btoa": "^1.2.1",
+        "clone": "^2.1.1",
+        "eth-query": "^2.1.2",
+        "eth-sig-util": "^1.4.2",
+        "ethereumjs-block": "^1.6.0",
+        "ethereumjs-tx": "^1.3.3",
+        "ethereumjs-util": "^5.1.2",
+        "ethereumjs-vm": "2.2.2",
+        "fetch-ponyfill": "^4.0.0",
+        "json-rpc-engine": "^5.0.0",
+        "json-rpc-error": "^2.0.0",
+        "json-stable-stringify": "^1.0.1",
+        "pify": "^3.0.0",
+        "safe-event-emitter": "^1.0.1"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+          "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+          "requires": {
+            "lodash": "^4.17.14"
+          }
+        },
+        "clone": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
+          "integrity": "sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18="
+        },
+        "ethereum-common": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.1.0.tgz",
+          "integrity": "sha1-h03Q+uXpYqVsUOvyjvpv45SSsOc="
+        },
+        "ethereumjs-vm": {
+          "version": "2.2.2",
+          "resolved": "https://registry.npmjs.org/ethereumjs-vm/-/ethereumjs-vm-2.2.2.tgz",
+          "integrity": "sha512-sAus9UxYjUnA42G91Q1/hR7ff35IJRpcLrUfbaIH7V4cl8qKsNs3wqf3dHvtj3wRqy12ke2Wd0tYdARyGKdD6g==",
+          "requires": {
+            "async": "^2.1.2",
+            "async-eventemitter": "^0.2.2",
+            "ethereum-common": "0.1.0",
+            "ethereumjs-account": "^2.0.3",
+            "ethereumjs-block": "~1.6.0",
+            "ethereumjs-util": "4.5.0",
+            "fake-merkle-patricia-tree": "^1.0.1",
+            "functional-red-black-tree": "^1.0.1",
+            "merkle-patricia-tree": "^2.1.2",
+            "safe-buffer": "^5.1.1"
+          },
+          "dependencies": {
+            "ethereumjs-block": {
+              "version": "1.6.0",
+              "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-1.6.0.tgz",
+              "integrity": "sha1-ze1JYt6soe7xc3K00pDoSzXIQ3I=",
+              "requires": {
+                "async": "^2.0.1",
+                "ethereum-common": "0.0.18",
+                "ethereumjs-tx": "^1.2.2",
+                "ethereumjs-util": "^5.0.0",
+                "merkle-patricia-tree": "^2.1.2"
+              },
+              "dependencies": {
+                "ethereum-common": {
+                  "version": "0.0.18",
+                  "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
+                  "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8="
+                },
+                "ethereumjs-util": {
+                  "version": "5.2.1",
+                  "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+                  "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+                  "requires": {
+                    "bn.js": "^4.11.0",
+                    "create-hash": "^1.1.2",
+                    "elliptic": "^6.5.2",
+                    "ethereum-cryptography": "^0.1.3",
+                    "ethjs-util": "^0.1.3",
+                    "rlp": "^2.0.0",
+                    "safe-buffer": "^5.1.1"
+                  }
+                }
+              }
+            },
+            "ethereumjs-util": {
+              "version": "4.5.0",
+              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz",
+              "integrity": "sha1-PpQosxfuvaPXJg2FT93alUsfG8Y=",
+              "requires": {
+                "bn.js": "^4.8.0",
+                "create-hash": "^1.1.2",
+                "keccakjs": "^0.2.0",
+                "rlp": "^2.0.0",
+                "secp256k1": "^3.0.1"
+              }
+            }
+          }
+        },
+        "lodash": {
+          "version": "4.17.19",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+        }
+      }
+    },
+    "@portis/web3": {
+      "version": "2.0.0-beta.57",
+      "resolved": "https://registry.npmjs.org/@portis/web3/-/web3-2.0.0-beta.57.tgz",
+      "integrity": "sha512-OYmt0a171AJECYT/vTkPb4uc1x7xFASMfn+MN3EAjo7DRhY8WfTAMNoMJDhuFARRLC7an2HrRIsT7D4q9GNrnQ==",
+      "requires": {
+        "@portis/web3-provider-engine": "1.1.0",
+        "ethereumjs-util": "5.2.0",
+        "penpal": "3.0.7",
+        "pocket-js-core": "0.0.3"
+      }
+    },
+    "@portis/web3-provider-engine": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@portis/web3-provider-engine/-/web3-provider-engine-1.1.0.tgz",
+      "integrity": "sha512-443QwQqgO/D0gEn7voMfo/dBc0SNzvJ4vVSOUJj1r2W9MsN3f5HeU2wDeXLc8bQryGsmemBxmghK/G+XQTXA6w==",
+      "requires": {
+        "@portis/eth-json-rpc-middleware": "^4.1.2",
+        "async": "^2.5.0",
+        "backoff": "^2.5.0",
+        "clone": "^2.0.0",
+        "cross-fetch": "^2.1.0",
+        "eth-block-tracker": "^4.2.0",
+        "eth-json-rpc-filters": "^4.0.2",
+        "eth-json-rpc-infura": "^3.1.0",
+        "eth-sig-util": "^1.4.2",
+        "ethereumjs-block": "^1.2.2",
+        "ethereumjs-tx": "^1.2.0",
+        "ethereumjs-util": "^5.1.5",
+        "ethereumjs-vm": "^2.3.4",
+        "json-rpc-error": "^2.0.0",
+        "json-stable-stringify": "^1.0.1",
+        "promise-to-callback": "^1.0.0",
+        "readable-stream": "^2.2.9",
+        "request": "^2.85.0",
+        "semaphore": "^1.0.3",
+        "ws": "^5.1.1",
+        "xhr": "^2.2.0",
+        "xtend": "^4.0.1"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+          "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+          "requires": {
+            "lodash": "^4.17.14"
+          }
+        },
+        "clone": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
+          "integrity": "sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18="
+        },
+        "lodash": {
+          "version": "4.17.19",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
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+        "ws": {
+          "version": "5.2.2",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
+          "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
+          "requires": {
+            "async-limiter": "~1.0.0"
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+        }
+      }
+    },
+    "@types/bn.js": {
+      "version": "4.11.6",
+      "resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.6.tgz",
+      "integrity": "sha512-pqr857jrp2kPuO9uRjZ3PwnJTjoQy+fcdxvBTvHm6dkmEL9q+hDD/2j/0ELOBPtPnS8LjCX0gI9nbl8lVkadpg==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/node": {
+      "version": "14.0.27",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.0.27.tgz",
+      "integrity": "sha512-kVrqXhbclHNHGu9ztnAwSncIgJv/FaxmzXJvGXNdcCpV1b8u1/Mi6z6m0vwy0LzKeXFTPLH0NzwmoJ3fNCIq0g=="
+    },
+    "@types/pbkdf2": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@types/pbkdf2/-/pbkdf2-3.1.0.tgz",
+      "integrity": "sha512-Cf63Rv7jCQ0LaL8tNXmEyqTHuIJxRdlS5vMh1mj5voN4+QFhVZnlZruezqpWYDiJ8UTzhP0VmeLXCmBk66YrMQ==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/prop-types": {
       "version": "15.5.5",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.5.5.tgz",
@@ -111,6 +366,14 @@
         "csstype": "^2.2.0"
       }
     },
+    "@types/secp256k1": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@types/secp256k1/-/secp256k1-4.0.1.tgz",
+      "integrity": "sha512-+ZjSA8ELlOp8SlKi0YLB2tz9d5iPNEmOBd+8Rz21wTMdaXQIa9b6TEnD6l5qKOCypE7FSyPyck12qZJxSDNoog==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "abab": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
@@ -122,6 +385,14 @@
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       "integrity": "sha1-+PLIh60Qv2f2NPAFtph/7TF5qsg="
     },
+    "abstract-leveldown": {
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-2.6.3.tgz",
+      "integrity": "sha512-2++wDf/DYqkPR3o5tbfdhF96EfMApo1GpPfzOsR/ZYXdkSmELlvOOEAl9iKkRsktMPHdGjO4rtkBpf2I7TiTeA==",
+      "requires": {
+        "xtend": "~4.0.0"
+      }
+    },
     "accepts": {
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       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
@@ -171,6 +442,11 @@
         }
       }
     },
+    "add": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/add/-/add-2.0.6.tgz",
+      "integrity": "sha1-JI8Kn25aUo7yKV2+7DBTITCuIjU="
+    },
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       "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.1.1.tgz",
@@ -372,14 +648,36 @@
     "async": {
       "version": "1.5.2",
       "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
-      "dev": true
+      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
     },
     "async-each": {
       "version": "1.0.1",
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       "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0="
     },
+    "async-eventemitter": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/async-eventemitter/-/async-eventemitter-0.2.4.tgz",
+      "integrity": "sha512-pd20BwL7Yt1zwDFy+8MX8F1+WCT8aQeKj0kQnTrH9WaeRETlRamVhD0JtRPmrV4GfOJ2F9CvdQkZeZhnh2TuHw==",
+      "requires": {
+        "async": "^2.4.0"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
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+          "requires": {
+            "lodash": "^4.17.14"
+          }
+        },
+        "lodash": {
+          "version": "4.17.19",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+        }
+      }
+    },
     "async-limiter": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
@@ -415,6 +713,11 @@
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       }
     },
+    "await-semaphore": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/await-semaphore/-/await-semaphore-0.1.3.tgz",
+      "integrity": "sha512-d1W2aNSYcz/sxYO4pMGX9vq65qOTu0P800epMud+6cYYX0QcT7zyqcxec3VWzpgvdXo57UWmVbZpLMjX2m1I7Q=="
+    },
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       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -425,6 +728,38 @@
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       "integrity": "sha1-8OAD2cqef1nHpQiUXXsu+aBKVC8="
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+    "axios": {
+      "version": "0.18.1",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.1.tgz",
+      "integrity": "sha512-0BfJq4NSfQXd+SkFdrvFbG7addhYSBA2mQwISr46pD6E5iqkWg02RAs8vyTT/j0RTnoYmeXauBuSv1qKwR179g==",
+      "requires": {
+        "follow-redirects": "1.5.10",
+        "is-buffer": "^2.0.2"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "follow-redirects": {
+          "version": "1.5.10",
+          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
+          "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
+          "requires": {
+            "debug": "=3.1.0"
+          }
+        },
+        "is-buffer": {
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-      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
-      "dev": true
+      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
     },
     "shelljs": {
       "version": "0.6.1",
@@ -9498,6 +10827,217 @@
         "strip-ansi": "^3.0.0"
       }
     },
+    "string.prototype.trim": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trim/-/string.prototype.trim-1.2.1.tgz",
+      "integrity": "sha512-MjGFEeqixw47dAMFMtgUro/I0+wNqZB5GKXGt1fFr24u3TzDXCPu7J9Buppzoe3r/LqkSDLDDJzE15RGWDGAVw==",
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.0-next.1",
+        "function-bind": "^1.1.1"
+      },
+      "dependencies": {
+        "es-abstract": {
+          "version": "1.17.6",
+          "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.17.6.tgz",
+          "integrity": "sha512-Fr89bON3WFyUi5EvAeI48QTWX0AyekGgLA8H+c+7fbfCkJwRWRMLd8CQedNEyJuoYYhmtEqY92pgte1FAhBlhw==",
+          "requires": {
+            "es-to-primitive": "^1.2.1",
+            "function-bind": "^1.1.1",
+            "has": "^1.0.3",
+            "has-symbols": "^1.0.1",
+            "is-callable": "^1.2.0",
+            "is-regex": "^1.1.0",
+            "object-inspect": "^1.7.0",
+            "object-keys": "^1.1.1",
+            "object.assign": "^4.1.0",
+            "string.prototype.trimend": "^1.0.1",
+            "string.prototype.trimstart": "^1.0.1"
+          }
+        },
+        "es-to-primitive": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.1.tgz",
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+          "requires": {
+            "is-callable": "^1.1.4",
+            "is-date-object": "^1.0.1",
+            "is-symbol": "^1.0.2"
+          }
+        },
+        "has-symbols": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.1.tgz",
+          "integrity": "sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg=="
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+        "is-callable": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.0.tgz",
+          "integrity": "sha512-pyVD9AaGLxtg6srb2Ng6ynWJqkHU9bEM087AKck0w8QwDarTfNcpIYoU8x8Hv2Icm8u6kFJM18Dag8lyqGkviw=="
+        },
+        "is-regex": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.0.tgz",
+          "integrity": "sha512-iI97M8KTWID2la5uYXlkbSDQIg4F6o1sYboZKKTDpnDQMLtUL86zxhgDet3Q2SriaYsyGqZ6Mn2SjbRKeLHdqw==",
+          "requires": {
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+          }
+        },
+        "is-symbol": {
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+          "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.3.tgz",
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+          "requires": {
+            "has-symbols": "^1.0.1"
+          }
+        },
+        "object-keys": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
+          "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA=="
+        }
+      }
+    },
+    "string.prototype.trimend": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.1.tgz",
+      "integrity": "sha512-LRPxFUaTtpqYsTeNKaFOw3R4bxIzWOnbQ837QfBylo8jIxtcbK/A/sMV7Q+OAV/vWo+7s25pOE10KYSjaSO06g==",
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5"
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+          "requires": {
+            "es-to-primitive": "^1.2.1",
+            "function-bind": "^1.1.1",
+            "has": "^1.0.3",
+            "has-symbols": "^1.0.1",
+            "is-callable": "^1.2.0",
+            "is-regex": "^1.1.0",
+            "object-inspect": "^1.7.0",
+            "object-keys": "^1.1.1",
+            "object.assign": "^4.1.0",
+            "string.prototype.trimend": "^1.0.1",
+            "string.prototype.trimstart": "^1.0.1"
+          }
+        },
+        "es-to-primitive": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.1.tgz",
+          "integrity": "sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==",
+          "requires": {
+            "is-callable": "^1.1.4",
+            "is-date-object": "^1.0.1",
+            "is-symbol": "^1.0.2"
+          }
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+        },
+        "is-callable": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.0.tgz",
+          "integrity": "sha512-pyVD9AaGLxtg6srb2Ng6ynWJqkHU9bEM087AKck0w8QwDarTfNcpIYoU8x8Hv2Icm8u6kFJM18Dag8lyqGkviw=="
+        },
+        "is-regex": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.0.tgz",
+          "integrity": "sha512-iI97M8KTWID2la5uYXlkbSDQIg4F6o1sYboZKKTDpnDQMLtUL86zxhgDet3Q2SriaYsyGqZ6Mn2SjbRKeLHdqw==",
+          "requires": {
+            "has-symbols": "^1.0.1"
+          }
+        },
+        "is-symbol": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.3.tgz",
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+          "requires": {
+            "has-symbols": "^1.0.1"
+          }
+        },
+        "object-keys": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
+          "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA=="
+        }
+      }
+    },
+    "string.prototype.trimstart": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.1.tgz",
+      "integrity": "sha512-XxZn+QpvrBI1FOcg6dIpxUPgWCPuNXvMD72aaRaUQv1eD4e/Qy8i/hFTe0BUmD60p/QA6bh1avmuPTfNjqVWRw==",
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5"
+      },
+      "dependencies": {
+        "es-abstract": {
+          "version": "1.17.6",
+          "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.17.6.tgz",
+          "integrity": "sha512-Fr89bON3WFyUi5EvAeI48QTWX0AyekGgLA8H+c+7fbfCkJwRWRMLd8CQedNEyJuoYYhmtEqY92pgte1FAhBlhw==",
+          "requires": {
+            "es-to-primitive": "^1.2.1",
+            "function-bind": "^1.1.1",
+            "has": "^1.0.3",
+            "has-symbols": "^1.0.1",
+            "is-callable": "^1.2.0",
+            "is-regex": "^1.1.0",
+            "object-inspect": "^1.7.0",
+            "object-keys": "^1.1.1",
+            "object.assign": "^4.1.0",
+            "string.prototype.trimend": "^1.0.1",
+            "string.prototype.trimstart": "^1.0.1"
+          }
+        },
+        "es-to-primitive": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.1.tgz",
+          "integrity": "sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==",
+          "requires": {
+            "is-callable": "^1.1.4",
+            "is-date-object": "^1.0.1",
+            "is-symbol": "^1.0.2"
+          }
+        },
+        "has-symbols": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.1.tgz",
+          "integrity": "sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg=="
+        },
+        "is-callable": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.0.tgz",
+          "integrity": "sha512-pyVD9AaGLxtg6srb2Ng6ynWJqkHU9bEM087AKck0w8QwDarTfNcpIYoU8x8Hv2Icm8u6kFJM18Dag8lyqGkviw=="
+        },
+        "is-regex": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.0.tgz",
+          "integrity": "sha512-iI97M8KTWID2la5uYXlkbSDQIg4F6o1sYboZKKTDpnDQMLtUL86zxhgDet3Q2SriaYsyGqZ6Mn2SjbRKeLHdqw==",
+          "requires": {
+            "has-symbols": "^1.0.1"
+          }
+        },
+        "is-symbol": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.3.tgz",
+          "integrity": "sha512-OwijhaRSgqvhm/0ZdAcXNZt9lYdKFpcRDT5ULUuYXPoT794UNOdU+gpT6Rzo7b4V2HUl/op6GqY894AZwv9faQ==",
+          "requires": {
+            "has-symbols": "^1.0.1"
+          }
+        },
+        "object-keys": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
+          "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA=="
+        }
+      }
+    },
     "string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -9665,6 +11205,69 @@
       "integrity": "sha1-KcNXB8K3DlDQdIK10gLo7URtr9Q=",
       "dev": true
     },
+    "tape": {
+      "version": "4.13.3",
+      "resolved": "https://registry.npmjs.org/tape/-/tape-4.13.3.tgz",
+      "integrity": "sha512-0/Y20PwRIUkQcTCSi4AASs+OANZZwqPKaipGCEwp10dQMipVvSZwUUCi01Y/OklIGyHKFhIcjock+DKnBfLAFw==",
+      "requires": {
+        "deep-equal": "~1.1.1",
+        "defined": "~1.0.0",
+        "dotignore": "~0.1.2",
+        "for-each": "~0.3.3",
+        "function-bind": "~1.1.1",
+        "glob": "~7.1.6",
+        "has": "~1.0.3",
+        "inherits": "~2.0.4",
+        "is-regex": "~1.0.5",
+        "minimist": "~1.2.5",
+        "object-inspect": "~1.7.0",
+        "resolve": "~1.17.0",
+        "resumer": "~0.0.0",
+        "string.prototype.trim": "~1.2.1",
+        "through": "~2.3.8"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "7.1.6",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+          "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+        },
+        "is-regex": {
+          "version": "1.0.5",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.5.tgz",
+          "integrity": "sha512-vlKW17SNq44owv5AQR3Cq0bQPEb8+kF3UKZ2fiZNOWtztYE5i0CzCZxFDwO58qAOWtxdBRVO/V5Qin1wjCqFYQ==",
+          "requires": {
+            "has": "^1.0.3"
+          }
+        },
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+        },
+        "resolve": {
+          "version": "1.17.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.17.0.tgz",
+          "integrity": "sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==",
+          "requires": {
+            "path-parse": "^1.0.6"
+          }
+        }
+      }
+    },
     "test-exclude": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-2.1.3.tgz",
@@ -9693,14 +11296,12 @@
     "through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
-      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
-      "dev": true
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
     },
     "through2": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.3.tgz",
       "integrity": "sha1-AARWmzfHx0ujnEPzzteNGtlBQL4=",
-      "dev": true,
       "requires": {
         "readable-stream": "^2.1.5",
         "xtend": "~4.0.1"
@@ -9832,8 +11433,7 @@
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
-      "dev": true
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "ua-parser-js": {
       "version": "0.7.18",
@@ -10181,6 +11781,26 @@
         "indexof": "0.0.1"
       }
     },
+    "volca-core": {
+      "version": "git+https://github.com/VolcaTech/volca-linkdrop-core.git#7b12d9bee0efe09d4f73eb7d3a12cda8f789c607",
+      "from": "git+https://github.com/VolcaTech/volca-linkdrop-core.git",
+      "requires": {
+        "babel-plugin-add-module-exports": "^0.2.1",
+        "babel-plugin-transform-object-rest-spread": "^6.26.0",
+        "babel-preset-env": "^1.6.1",
+        "bluebird": "^3.5.1",
+        "ethereumjs-tx": "^1.3.3",
+        "ethereumjs-util": "^5.1.2",
+        "ethereumjs-wallet": "^0.6.0",
+        "idempotent-babel-polyfill": "^0.1.1",
+        "querystring": "^0.2.0",
+        "solidity-sha3": "^0.4.1",
+        "uuid": "^3.2.1",
+        "web-utils": "^1.0.0",
+        "web3": "^0.20.1",
+        "web3-utils": "^1.0.0-beta.35"
+      }
+    },
     "walker": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/walker/-/walker-1.0.7.tgz",
@@ -10714,6 +12334,11 @@
           "dev": true
         }
       }
+    },
+    "yarn": {
+      "version": "1.22.4",
+      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.22.4.tgz",
+      "integrity": "sha512-oYM7hi/lIWm9bCoDMEWgffW8aiNZXCWeZ1/tGy0DWrN6vmzjCXIKu2Y21o8DYVBUtiktwKcNoxyGl/2iKLUNGA=="
     }
   }
 }
diff --git a/yarn.lock b/yarn.lock
index f0bf7c1..bf03e53 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2089,9 +2089,10 @@ big.js@^3.1.3:
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.2.0.tgz#a5fc298b81b9e0dca2e458824784b65c52ba588e"
   integrity sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q==
 
-"bignumber.js@git+https://github.com/debris/bignumber.js.git#master":
+"bignumber.js@git+https://github.com/debris/bignumber.js#master":
   version "2.0.7"
-  resolved "git+https://github.com/debris/bignumber.js.git#c7a38de919ed75e6fb6ba38051986e294b328df9"
+  uid c7a38de919ed75e6fb6ba38051986e294b328df9
+  resolved "git+https://github.com/debris/bignumber.js#c7a38de919ed75e6fb6ba38051986e294b328df9"
 
 "bignumber.js@git+https://github.com/frozeman/bignumber.js-nolookahead.git":
   version "2.0.7"
@@ -2126,11 +2127,16 @@ bn.js@4.11.6:
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
   integrity sha1-UzRK2xRhehP26N0s4okF0cC6MhU=
 
-bn.js@4.11.8, bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.6, bn.js@^4.11.8, bn.js@^4.4.0, bn.js@^4.8.0:
+bn.js@4.11.8:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
   integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
 
+bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.6, bn.js@^4.11.8, bn.js@^4.4.0, bn.js@^4.8.0:
+  version "4.11.9"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
+  integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
+
 body-parser@1.19.0:
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
@@ -3451,9 +3457,9 @@ electron-to-chromium@^1.1.0, electron-to-chromium@^1.2.7, electron-to-chromium@^
   integrity sha512-nuCOlXNlGMQmdzihIPGm2K3Yf3H1hke/1rK381i02pH8wNliJU9hVNnOi/xjmxt+mjABd/BzufP5nPHWKshLWA==
 
 elliptic@^6.4.0, elliptic@^6.4.1:
-  version "6.4.1"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.1.tgz#c2d0b7776911b86722c632c3c06c60f2f819939a"
-  integrity sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ==
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"
@@ -5207,16 +5213,21 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
-  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
 inherits@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
   integrity sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=
 
+inherits@2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
 ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"