diff --git a/blockchain/ethereum/erc721_example/package-lock.json b/blockchain/ethereum/erc721_example/package-lock.json
index c41cee4..17ff0e1 100644
--- a/blockchain/ethereum/erc721_example/package-lock.json
+++ b/blockchain/ethereum/erc721_example/package-lock.json
@@ -524,29 +524,348 @@
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@@ -2665,8 +2829,8 @@
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-      "integrity": "sha1-XU0+vflYPWOlMzzi3rdICrKwV4k=",
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-      "integrity": "sha1-SiksW8/4s5+mzAyxqFPYbyfu/3s=",
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-      "integrity": "sha1-5VmK1QF0wbxOhyMB6CrCzZf5Amc=",
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@@ -2950,8 +3087,8 @@
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-      "integrity": "sha1-Jhpg0QiPv/AfkSVvkdIdDKqqqW8=",
+      "resolved": "https://registry.npmjs.org/fp-ts/-/fp-ts-1.19.3.tgz",
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-      "integrity": "sha1-ilJveLj99GI7cJ4Ll1xSwkwC/Ro=",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
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-      "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
+      "resolved": "https://registry.npmjs.org/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz",
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@@ -3050,6 +3187,7 @@
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           "integrity": "sha1-Q6NxcrM3lORWKZn24tVVt1maju4=",
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@@ -3067,6 +3205,7 @@
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@@ -3082,6 +3221,7 @@
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@@ -3095,6 +3235,7 @@
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@@ -3108,6 +3249,7 @@
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@@ -3117,6 +3259,7 @@
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@@ -3137,6 +3281,7 @@
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@@ -3146,6 +3291,7 @@
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@@ -3162,6 +3308,7 @@
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@@ -3171,13 +3318,15 @@
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-          "dev": true
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@@ -3187,6 +3336,7 @@
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@@ -3196,6 +3346,7 @@
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@@ -3206,6 +3357,7 @@
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@@ -3218,6 +3370,7 @@
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@@ -3229,6 +3382,7 @@
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@@ -3246,6 +3400,7 @@
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@@ -3275,7 +3430,6 @@
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@@ -3283,14 +3437,12 @@
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           "version": "14.14.20",
           "resolved": "https://registry.npm.taobao.org/@types/node/download/@types/node-14.14.20.tgz?cache=0&sync_timestamp=1616803743750&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40types%2Fnode%2Fdownload%2F%40types%2Fnode-14.14.20.tgz",
-          "integrity": "sha1-95dIY+3SHR+KSUpz6OKzZYYVw0A=",
-          "dev": true
+          "integrity": "sha1-95dIY+3SHR+KSUpz6OKzZYYVw0A="
         },
         "@types/pbkdf2": {
           "version": "3.1.0",
           "resolved": "https://registry.npm.taobao.org/@types/pbkdf2/download/@types/pbkdf2-3.1.0.tgz",
           "integrity": "sha1-A5oOm2faDNxO5dq4Zcqmsme7ZrE=",
-          "dev": true,
           "requires": {
             "@types/node": "*"
           }
@@ -3299,7 +3451,6 @@
           "version": "4.0.1",
           "resolved": "https://registry.npm.taobao.org/@types/secp256k1/download/@types/secp256k1-4.0.1.tgz",
           "integrity": "sha1-+zqmGhhIrZfXQl/53Lp4RUn8paQ=",
-          "dev": true,
           "requires": {
             "@types/node": "*"
           }
@@ -3403,6 +3554,7 @@
           "resolved": "https://registry.npm.taobao.org/asn1.js/download/asn1.js-5.4.1.tgz",
           "integrity": "sha1-EamAuE67kXgc41sP3C7ilON4Pwc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "bn.js": "^4.0.0",
             "inherits": "^2.0.1",
@@ -4273,7 +4425,6 @@
           "version": "3.0.8",
           "resolved": "https://registry.npm.taobao.org/base-x/download/base-x-3.0.8.tgz",
           "integrity": "sha1-HhEGwlN/AWLotSR0pVfrsJAAAY0=",
-          "dev": true,
           "requires": {
             "safe-buffer": "^5.0.1"
           }
@@ -4305,7 +4456,8 @@
           "version": "9.0.1",
           "resolved": "https://registry.npm.taobao.org/bignumber.js/download/bignumber.js-9.0.1.tgz",
           "integrity": "sha1-jXuhJMiCv9jkMmDGdHVRjQaJ5OU=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bip39": {
           "version": "2.5.0",
@@ -4323,8 +4475,7 @@
         "blakejs": {
           "version": "1.1.0",
           "resolved": "https://registry.npm.taobao.org/blakejs/download/blakejs-1.1.0.tgz",
-          "integrity": "sha1-ad+S75U6qIylGjLfarHFShVfx6U=",
-          "dev": true
+          "integrity": "sha1-ad+S75U6qIylGjLfarHFShVfx6U="
         },
         "bluebird": {
           "version": "3.7.2",
@@ -4336,14 +4487,14 @@
         "bn.js": {
           "version": "4.11.9",
           "resolved": "https://registry.npm.taobao.org/bn.js/download/bn.js-4.11.9.tgz",
-          "integrity": "sha1-JtVWgpRY+dHoH8SJUkk9C6NQeCg=",
-          "dev": true
+          "integrity": "sha1-JtVWgpRY+dHoH8SJUkk9C6NQeCg="
         },
         "body-parser": {
           "version": "1.19.0",
           "resolved": "https://registry.npm.taobao.org/body-parser/download/body-parser-1.19.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fbody-parser%2Fdownload%2Fbody-parser-1.19.0.tgz",
           "integrity": "sha1-lrJwnlfJxOCab9Zqj9l5hE9p8Io=",
           "dev": true,
+          "optional": true,
           "requires": {
             "bytes": "3.1.0",
             "content-type": "~1.0.4",
@@ -4362,6 +4513,7 @@
               "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz?cache=0&sync_timestamp=1607566517339&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fdebug%2Fdownload%2Fdebug-2.6.9.tgz",
               "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "ms": "2.0.0"
               }
@@ -4370,13 +4522,15 @@
               "version": "2.0.0",
               "resolved": "https://registry.npm.taobao.org/ms/download/ms-2.0.0.tgz?cache=0&sync_timestamp=1607433988749&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fms%2Fdownload%2Fms-2.0.0.tgz",
               "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "qs": {
               "version": "6.7.0",
               "resolved": "https://registry.npm.taobao.org/qs/download/qs-6.7.0.tgz?cache=0&sync_timestamp=1616385248556&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fqs%2Fdownload%2Fqs-6.7.0.tgz",
               "integrity": "sha1-QdwaAV49WB8WIXdr4xr7KHapsbw=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -4393,14 +4547,12 @@
         "brorand": {
           "version": "1.1.0",
           "resolved": "http://registry.npm.taobao.org/brorand/download/brorand-1.1.0.tgz",
-          "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
-          "dev": true
+          "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
         },
         "browserify-aes": {
           "version": "1.2.0",
           "resolved": "http://registry.npm.taobao.org/browserify-aes/download/browserify-aes-1.2.0.tgz",
           "integrity": "sha1-Mmc0ZC9APavDADIJhTu3CtQo70g=",
-          "dev": true,
           "requires": {
             "buffer-xor": "^1.0.3",
             "cipher-base": "^1.0.0",
@@ -4440,6 +4592,7 @@
           "resolved": "https://registry.npm.taobao.org/browserify-rsa/download/browserify-rsa-4.1.0.tgz?cache=0&sync_timestamp=1605194387171&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fbrowserify-rsa%2Fdownload%2Fbrowserify-rsa-4.1.0.tgz",
           "integrity": "sha1-sv0Gtbda4pf3zi3GUfkY9b4VjI0=",
           "dev": true,
+          "optional": true,
           "requires": {
             "bn.js": "^5.0.0",
             "randombytes": "^2.0.1"
@@ -4449,7 +4602,8 @@
               "version": "5.1.3",
               "resolved": "https://registry.npm.taobao.org/bn.js/download/bn.js-5.1.3.tgz",
               "integrity": "sha1-vsoAVAj2Quvr6oCwQrTRjSrA7ms=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -4506,7 +4660,6 @@
           "version": "4.0.1",
           "resolved": "https://registry.npm.taobao.org/bs58/download/bs58-4.0.1.tgz",
           "integrity": "sha1-vhYedsNU9veIrkBx9j806MTwpCo=",
-          "dev": true,
           "requires": {
             "base-x": "^3.0.2"
           }
@@ -4515,7 +4668,6 @@
           "version": "2.1.2",
           "resolved": "https://registry.npm.taobao.org/bs58check/download/bs58check-2.1.2.tgz",
           "integrity": "sha1-U7AYKRIo2CpaoI59eW/a/aVK6/w=",
-          "dev": true,
           "requires": {
             "bs58": "^4.0.0",
             "create-hash": "^1.1.0",
@@ -4542,13 +4694,13 @@
           "version": "0.0.5",
           "resolved": "https://registry.npm.taobao.org/buffer-to-arraybuffer/download/buffer-to-arraybuffer-0.0.5.tgz",
           "integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "buffer-xor": {
           "version": "1.0.3",
           "resolved": "http://registry.npm.taobao.org/buffer-xor/download/buffer-xor-1.0.3.tgz",
-          "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=",
-          "dev": true
+          "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk="
         },
         "bufferutil": {
           "version": "4.0.3",
@@ -4563,7 +4715,8 @@
           "version": "3.1.0",
           "resolved": "http://registry.npm.taobao.org/bytes/download/bytes-3.1.0.tgz",
           "integrity": "sha1-9s95M6Ng4FiPqf3oVlHNx/gF0fY=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bytewise": {
           "version": "1.1.0",
@@ -4742,7 +4895,6 @@
           "version": "1.0.4",
           "resolved": "http://registry.npm.taobao.org/cipher-base/download/cipher-base-1.0.4.tgz",
           "integrity": "sha1-h2Dk7MJy9MNjUy+SbYdKriwTl94=",
-          "dev": true,
           "requires": {
             "inherits": "^2.0.1",
             "safe-buffer": "^5.0.1"
@@ -4950,7 +5102,8 @@
           "version": "1.0.4",
           "resolved": "http://registry.npm.taobao.org/content-type/download/content-type-1.0.4.tgz",
           "integrity": "sha1-4TjMdeBAxyexlm/l5fjJruJW/js=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "convert-source-map": {
           "version": "1.7.0",
@@ -4987,7 +5140,8 @@
           "version": "2.1.2",
           "resolved": "https://registry.npm.taobao.org/cookiejar/download/cookiejar-2.1.2.tgz",
           "integrity": "sha1-3YojVTB1L5iPmghE8/xYnjERElw=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "copy-descriptor": {
           "version": "0.1.1",
@@ -5039,7 +5193,6 @@
           "version": "1.2.0",
           "resolved": "http://registry.npm.taobao.org/create-hash/download/create-hash-1.2.0.tgz",
           "integrity": "sha1-iJB4rxGmN1a8+1m9IhmWvjqe8ZY=",
-          "dev": true,
           "requires": {
             "cipher-base": "^1.0.1",
             "inherits": "^2.0.1",
@@ -5052,7 +5205,6 @@
           "version": "1.1.7",
           "resolved": "http://registry.npm.taobao.org/create-hmac/download/create-hmac-1.1.7.tgz",
           "integrity": "sha1-aRcMeLOrlXFHsriwRXLkfq0iQ/8=",
-          "dev": true,
           "requires": {
             "cipher-base": "^1.0.3",
             "create-hash": "^1.1.0",
@@ -5131,6 +5283,7 @@
           "resolved": "https://registry.npm.taobao.org/decompress-response/download/decompress-response-3.3.0.tgz?cache=0&sync_timestamp=1613125385685&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fdecompress-response%2Fdownload%2Fdecompress-response-3.3.0.tgz",
           "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
           "dev": true,
+          "optional": true,
           "requires": {
             "mimic-response": "^1.0.0"
           }
@@ -5212,7 +5365,8 @@
           "version": "1.1.2",
           "resolved": "http://registry.npm.taobao.org/depd/download/depd-1.1.2.tgz",
           "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "des.js": {
           "version": "1.0.1",
@@ -5229,7 +5383,8 @@
           "version": "1.0.4",
           "resolved": "http://registry.npm.taobao.org/destroy/download/destroy-1.0.4.tgz",
           "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "detect-indent": {
           "version": "4.0.0",
@@ -5271,7 +5426,8 @@
           "version": "0.1.4",
           "resolved": "https://registry.npm.taobao.org/duplexer3/download/duplexer3-0.1.4.tgz",
           "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ecc-jsbn": {
           "version": "0.1.2",
@@ -5287,7 +5443,8 @@
           "version": "1.1.1",
           "resolved": "http://registry.npm.taobao.org/ee-first/download/ee-first-1.1.1.tgz",
           "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "electron-to-chromium": {
           "version": "1.3.636",
@@ -5299,7 +5456,6 @@
           "version": "6.5.3",
           "resolved": "https://registry.npm.taobao.org/elliptic/download/elliptic-6.5.3.tgz",
           "integrity": "sha1-y1nrLv2vc6C9eMzXAVpirW4Pk9Y=",
-          "dev": true,
           "requires": {
             "bn.js": "^4.4.0",
             "brorand": "^1.0.1",
@@ -5314,7 +5470,8 @@
           "version": "1.0.2",
           "resolved": "http://registry.npm.taobao.org/encodeurl/download/encodeurl-1.0.2.tgz",
           "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "encoding": {
           "version": "0.1.13",
@@ -5445,7 +5602,8 @@
           "version": "1.0.3",
           "resolved": "http://registry.npm.taobao.org/escape-html/download/escape-html-1.0.3.tgz",
           "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "escape-string-regexp": {
           "version": "1.0.5",
@@ -5463,7 +5621,8 @@
           "version": "1.8.1",
           "resolved": "http://registry.npm.taobao.org/etag/download/etag-1.8.1.tgz",
           "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "eth-block-tracker": {
           "version": "3.0.1",
@@ -6358,6 +6517,7 @@
           "resolved": "https://registry.npm.taobao.org/ethereum-bloom-filters/download/ethereum-bloom-filters-1.0.7.tgz",
           "integrity": "sha1-t7gHNeOF27f5RM5rRTPiRREwYGA=",
           "dev": true,
+          "optional": true,
           "requires": {
             "js-sha3": "^0.8.0"
           },
@@ -6366,7 +6526,8 @@
               "version": "0.8.0",
               "resolved": "https://registry.npm.taobao.org/js-sha3/download/js-sha3-0.8.0.tgz",
               "integrity": "sha1-ubel2nOvrX3t0PjEY5VMveaBiEA=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -6380,7 +6541,6 @@
           "version": "0.1.3",
           "resolved": "https://registry.npm.taobao.org/ethereum-cryptography/download/ethereum-cryptography-0.1.3.tgz",
           "integrity": "sha1-jWFDz8PXS/ebvY7ezfKeSuIN0ZE=",
-          "dev": true,
           "requires": {
             "@types/pbkdf2": "^3.0.0",
             "@types/secp256k1": "^4.0.1",
@@ -6946,6 +7106,7 @@
           "resolved": "https://registry.npm.taobao.org/ethjs-unit/download/ethjs-unit-0.1.6.tgz",
           "integrity": "sha1-xmWSHkduh7ziqdWIpv4EBbLEFpk=",
           "dev": true,
+          "optional": true,
           "requires": {
             "bn.js": "4.11.6",
             "number-to-bn": "1.7.0"
@@ -6955,7 +7116,8 @@
               "version": "4.11.6",
               "resolved": "https://registry.npm.taobao.org/bn.js/download/bn.js-4.11.6.tgz",
               "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -6963,7 +7125,6 @@
           "version": "0.1.6",
           "resolved": "https://registry.npm.taobao.org/ethjs-util/download/ethjs-util-0.1.6.tgz",
           "integrity": "sha1-8wi2Lxhfn+YjcTL7KpgYhmpc1TY=",
-          "dev": true,
           "requires": {
             "is-hex-prefixed": "1.0.0",
             "strip-hex-prefix": "1.0.0"
@@ -6973,7 +7134,8 @@
           "version": "4.0.4",
           "resolved": "https://registry.npm.taobao.org/eventemitter3/download/eventemitter3-4.0.4.tgz?cache=0&sync_timestamp=1598517795415&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Feventemitter3%2Fdownload%2Feventemitter3-4.0.4.tgz",
           "integrity": "sha1-tUY6zmNaCD0Bi9x8kXtMXxCoU4Q=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "events": {
           "version": "3.2.0",
@@ -6985,7 +7147,6 @@
           "version": "1.0.3",
           "resolved": "http://registry.npm.taobao.org/evp_bytestokey/download/evp_bytestokey-1.0.3.tgz",
           "integrity": "sha1-f8vbGY3HGVlDLv4ThCaE4FJaywI=",
-          "dev": true,
           "requires": {
             "md5.js": "^1.3.4",
             "safe-buffer": "^5.1.1"
@@ -7542,7 +7703,8 @@
           "version": "0.5.2",
           "resolved": "http://registry.npm.taobao.org/fresh/download/fresh-0.5.2.tgz",
           "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "fs-extra": {
           "version": "7.0.1",
@@ -7804,7 +7966,6 @@
           "version": "3.1.0",
           "resolved": "https://registry.npm.taobao.org/hash-base/download/hash-base-3.1.0.tgz",
           "integrity": "sha1-VcOB2eBuHSmXqIO0o/3f5/DTrzM=",
-          "dev": true,
           "requires": {
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             "readable-stream": "^3.6.0",
@@ -7815,7 +7976,6 @@
               "version": "3.6.0",
               "resolved": "https://registry.npm.taobao.org/readable-stream/download/readable-stream-3.6.0.tgz",
               "integrity": "sha1-M3u9o63AcGvT4CRCaihtS0sskZg=",
-              "dev": true,
               "requires": {
                 "inherits": "^2.0.3",
                 "string_decoder": "^1.1.1",
@@ -7828,7 +7988,6 @@
           "version": "1.1.7",
           "resolved": "http://registry.npm.taobao.org/hash.js/download/hash.js-1.1.7.tgz",
           "integrity": "sha1-C6vKU46NTuSg+JiNaIZlN6ADz0I=",
-          "dev": true,
           "requires": {
             "inherits": "^2.0.3",
             "minimalistic-assert": "^1.0.1"
@@ -7844,7 +8003,6 @@
           "version": "1.0.1",
           "resolved": "http://registry.npm.taobao.org/hmac-drbg/download/hmac-drbg-1.0.1.tgz",
           "integrity": "sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=",
-          "dev": true,
           "requires": {
             "hash.js": "^1.0.3",
             "minimalistic-assert": "^1.0.0",
@@ -7873,6 +8031,7 @@
           "resolved": "https://registry.npm.taobao.org/http-errors/download/http-errors-1.7.2.tgz?cache=0&sync_timestamp=1593407611415&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fhttp-errors%2Fdownload%2Fhttp-errors-1.7.2.tgz",
           "integrity": "sha1-T1ApzxMjnzEDblsuVSkrz7zIXI8=",
           "dev": true,
+          "optional": true,
           "requires": {
             "depd": "~1.1.2",
             "inherits": "2.0.3",
@@ -7885,7 +8044,8 @@
               "version": "2.0.3",
               "resolved": "https://registry.npm.taobao.org/inherits/download/inherits-2.0.3.tgz",
               "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -7893,7 +8053,8 @@
           "version": "1.0.0",
           "resolved": "https://registry.npm.taobao.org/http-https/download/http-https-1.0.0.tgz",
           "integrity": "sha1-L5CN1fHbQGjAWM1ubUzjkskTOJs=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "http-signature": {
           "version": "1.2.0",
@@ -7911,6 +8072,7 @@
           "resolved": "https://registry.npm.taobao.org/iconv-lite/download/iconv-lite-0.4.24.tgz?cache=0&sync_timestamp=1594184325364&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ficonv-lite%2Fdownload%2Ficonv-lite-0.4.24.tgz",
           "integrity": "sha1-ICK0sl+93CHS9SSXSkdKr+czkIs=",
           "dev": true,
+          "optional": true,
           "requires": {
             "safer-buffer": ">= 2.1.2 < 3"
           }
@@ -7959,8 +8121,7 @@
         "inherits": {
           "version": "2.0.4",
           "resolved": "https://registry.npm.taobao.org/inherits/download/inherits-2.0.4.tgz",
-          "integrity": "sha1-D6LGT5MpF8NDOg3tVTY6rjdBa3w=",
-          "dev": true
+          "integrity": "sha1-D6LGT5MpF8NDOg3tVTY6rjdBa3w="
         },
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@@ -8067,8 +8228,7 @@
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           "version": "1.0.0",
           "resolved": "https://registry.npm.taobao.org/is-hex-prefixed/download/is-hex-prefixed-1.0.0.tgz",
-          "integrity": "sha1-fY035q135dEnFIkTxXPggtd39VQ=",
-          "dev": true
+          "integrity": "sha1-fY035q135dEnFIkTxXPggtd39VQ="
         },
         "is-negative-zero": {
           "version": "2.0.1",
@@ -8175,7 +8335,8 @@
           "version": "0.5.7",
           "resolved": "https://registry.npm.taobao.org/js-sha3/download/js-sha3-0.5.7.tgz",
           "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "js-tokens": {
           "version": "4.0.0",
@@ -8478,7 +8639,8 @@
           "version": "1.0.1",
           "resolved": "https://registry.npm.taobao.org/lowercase-keys/download/lowercase-keys-1.0.1.tgz",
           "integrity": "sha1-b54wtHCE2XGnyCD/FabFFnt0wm8=",
-          "dev": true
+          "dev": true,
+          "optional": true
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         "lru-cache": {
           "version": "5.1.1",
@@ -8514,7 +8676,6 @@
           "version": "1.3.5",
           "resolved": "http://registry.npm.taobao.org/md5.js/download/md5.js-1.3.5.tgz",
           "integrity": "sha1-tdB7jjIW4+J81yjXL3DR5qNCAF8=",
-          "dev": true,
           "requires": {
             "hash-base": "^3.0.0",
             "inherits": "^2.0.1",
@@ -8525,7 +8686,8 @@
           "version": "0.3.0",
           "resolved": "https://registry.npm.taobao.org/media-typer/download/media-typer-0.3.0.tgz",
           "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=",
-          "dev": true
+          "dev": true,
+          "optional": true
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         "merge-descriptors": {
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@@ -8598,7 +8760,8 @@
           "version": "1.6.0",
           "resolved": "https://registry.npm.taobao.org/mime/download/mime-1.6.0.tgz",
           "integrity": "sha1-Ms2eXGRVO9WNGaVor0Uqz/BJgbE=",
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.45.0",
@@ -8619,7 +8782,8 @@
           "version": "1.0.1",
           "resolved": "https://registry.npm.taobao.org/mimic-response/download/mimic-response-1.0.1.tgz",
           "integrity": "sha1-SSNTiHju9CBjy4o+OweYeBSHqxs=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "min-document": {
           "version": "2.19.0",
@@ -8633,14 +8797,12 @@
         "minimalistic-assert": {
           "version": "1.0.1",
           "resolved": "http://registry.npm.taobao.org/minimalistic-assert/download/minimalistic-assert-1.0.1.tgz",
-          "integrity": "sha1-LhlN4ERibUoQ5/f7wAznPoPk1cc=",
-          "dev": true
+          "integrity": "sha1-LhlN4ERibUoQ5/f7wAznPoPk1cc="
         },
         "minimalistic-crypto-utils": {
           "version": "1.0.1",
           "resolved": "http://registry.npm.taobao.org/minimalistic-crypto-utils/download/minimalistic-crypto-utils-1.0.1.tgz",
-          "integrity": "sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=",
-          "dev": true
+          "integrity": "sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo="
         },
         "minimatch": {
           "version": "3.0.4",
@@ -8748,6 +8910,7 @@
           "resolved": "https://registry.npm.taobao.org/multihashes/download/multihashes-0.4.21.tgz",
           "integrity": "sha1-3ALVJVefM0p5Ca3ooSLau1jM/LU=",
           "dev": true,
+          "optional": true,
           "requires": {
             "buffer": "^5.5.0",
             "multibase": "^0.7.0",
@@ -8759,6 +8922,7 @@
               "resolved": "https://registry.npm.taobao.org/multibase/download/multibase-0.7.0.tgz",
               "integrity": "sha1-Gt/BxQq+Be7+tQkawMJyjWuEWBs=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "base-x": "^3.0.8",
                 "buffer": "^5.5.0"
@@ -8814,8 +8978,7 @@
         "node-addon-api": {
           "version": "2.0.2",
           "resolved": "https://registry.npm.taobao.org/node-addon-api/download/node-addon-api-2.0.2.tgz",
-          "integrity": "sha1-Qyz6gpYs5JSxMunXKhWyn3H/XTI=",
-          "dev": true
+          "integrity": "sha1-Qyz6gpYs5JSxMunXKhWyn3H/XTI="
         },
         "node-fetch": {
           "version": "2.1.2",
@@ -8826,8 +8989,7 @@
         "node-gyp-build": {
           "version": "4.2.3",
           "resolved": "https://registry.npm.taobao.org/node-gyp-build/download/node-gyp-build-4.2.3.tgz",
-          "integrity": "sha1-zmJ3+FODX3GIKe+0fbIPPk2cRzk=",
-          "dev": true
+          "integrity": "sha1-zmJ3+FODX3GIKe+0fbIPPk2cRzk="
         },
         "normalize-url": {
           "version": "4.5.0",
@@ -8841,6 +9003,7 @@
           "resolved": "https://registry.npm.taobao.org/number-to-bn/download/number-to-bn-1.7.0.tgz",
           "integrity": "sha1-uzYjWS9+X54AMLGXe9QaDFP+HqA=",
           "dev": true,
+          "optional": true,
           "requires": {
             "bn.js": "4.11.6",
             "strip-hex-prefix": "1.0.0"
@@ -8850,7 +9013,8 @@
               "version": "4.11.6",
               "resolved": "https://registry.npm.taobao.org/bn.js/download/bn.js-4.11.6.tgz",
               "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
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@@ -9008,6 +9172,7 @@
           "resolved": "https://registry.npm.taobao.org/oboe/download/oboe-2.1.4.tgz",
           "integrity": "sha1-IMiM2wwVNxuwQRklfU/dNLCqSfY=",
           "dev": true,
+          "optional": true,
           "requires": {
             "http-https": "^1.0.0"
           }
@@ -9017,6 +9182,7 @@
           "resolved": "http://registry.npm.taobao.org/on-finished/download/on-finished-2.3.0.tgz",
           "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ee-first": "1.1.1"
           }
@@ -9073,6 +9239,7 @@
           "resolved": "https://registry.npm.taobao.org/parse-asn1/download/parse-asn1-5.1.6.tgz",
           "integrity": "sha1-OFCAo+wTy2KmLTlAnLPoiETNrtQ=",
           "dev": true,
+          "optional": true,
           "requires": {
             "asn1.js": "^5.2.0",
             "browserify-aes": "^1.0.0",
@@ -9091,7 +9258,8 @@
           "version": "1.3.3",
           "resolved": "https://registry.npm.taobao.org/parseurl/download/parseurl-1.3.3.tgz",
           "integrity": "sha1-naGee+6NEt/wUT7Vt2lXeTvC6NQ=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "pascalcase": {
           "version": "0.1.1",
@@ -9208,7 +9376,6 @@
           "version": "3.1.1",
           "resolved": "https://registry.npm.taobao.org/pbkdf2/download/pbkdf2-3.1.1.tgz",
           "integrity": "sha1-y4cksPramEWWhW0abrr9NYRlS5Q=",
-          "dev": true,
           "requires": {
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             "create-hmac": "^1.1.4",
@@ -9377,6 +9544,7 @@
           "resolved": "http://registry.npm.taobao.org/pump/download/pump-3.0.0.tgz",
           "integrity": "sha1-tKIRaBW94vTh6mAjVOjHVWUQemQ=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "once": "^1.3.1"
@@ -9399,6 +9567,7 @@
           "resolved": "https://registry.npm.taobao.org/query-string/download/query-string-5.1.1.tgz",
           "integrity": "sha1-p4wBK3HBfgXy4/ojGd0zBoLvs8s=",
           "dev": true,
+          "optional": true,
           "requires": {
             "decode-uri-component": "^0.2.0",
             "object-assign": "^4.1.0",
@@ -9409,7 +9578,6 @@
           "version": "2.1.0",
           "resolved": "https://registry.npm.taobao.org/randombytes/download/randombytes-2.1.0.tgz",
           "integrity": "sha1-32+ENy8CcNxlzfYpE0mrekc9Tyo=",
-          "dev": true,
           "requires": {
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           }
@@ -9429,13 +9597,15 @@
           "version": "1.2.1",
           "resolved": "https://registry.npm.taobao.org/range-parser/download/range-parser-1.2.1.tgz",
           "integrity": "sha1-PPNwI9GZ4cJNGlW4SADC8+ZGgDE=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "raw-body": {
           "version": "2.4.0",
           "resolved": "https://registry.npm.taobao.org/raw-body/download/raw-body-2.4.0.tgz",
           "integrity": "sha1-oc5vucm8NWylLoklarWQWeE9AzI=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "http-errors": "1.7.2",
@@ -9657,7 +9827,6 @@
           "version": "2.0.2",
           "resolved": "http://registry.npm.taobao.org/ripemd160/download/ripemd160-2.0.2.tgz",
           "integrity": "sha1-ocGm9iR1FXe6XQeRTLyShQWFiQw=",
-          "dev": true,
           "requires": {
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@@ -9667,7 +9836,6 @@
           "version": "2.2.6",
           "resolved": "https://registry.npm.taobao.org/rlp/download/rlp-2.2.6.tgz",
           "integrity": "sha1-yAumJmrHpIPvHmno4vBWZW3i+yw=",
-          "dev": true,
           "requires": {
             "bn.js": "^4.11.1"
           }
@@ -9681,8 +9849,7 @@
         "safe-buffer": {
           "version": "5.2.1",
           "resolved": "https://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.2.1.tgz?cache=0&sync_timestamp=1589129010497&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsafe-buffer%2Fdownload%2Fsafe-buffer-5.2.1.tgz",
-          "integrity": "sha1-Hq+fqb2x/dTsdfWPnNtOa3gn7sY=",
-          "dev": true
+          "integrity": "sha1-Hq+fqb2x/dTsdfWPnNtOa3gn7sY="
         },
         "safe-event-emitter": {
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@@ -9711,8 +9878,7 @@
         "scrypt-js": {
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           "resolved": "https://registry.npm.taobao.org/scrypt-js/download/scrypt-js-3.0.1.tgz",
-          "integrity": "sha1-0xSlfCrvadGtmKE4oh/p6vqe4xI=",
-          "dev": true
+          "integrity": "sha1-0xSlfCrvadGtmKE4oh/p6vqe4xI="
         },
         "scryptsy": {
           "version": "1.2.1",
@@ -9728,7 +9894,6 @@
           "version": "4.0.2",
           "resolved": "https://registry.npm.taobao.org/secp256k1/download/secp256k1-4.0.2.tgz",
           "integrity": "sha1-Fd1X0PC5/bVKwfoWlPQOXppU9KE=",
-          "dev": true,
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             "node-addon-api": "^2.0.0",
@@ -9752,6 +9917,7 @@
           "resolved": "https://registry.npm.taobao.org/send/download/send-0.17.1.tgz",
           "integrity": "sha1-wdiwWfeQD3Rm3Uk4vcROEd2zdsg=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "depd": "~1.1.2",
@@ -9773,6 +9939,7 @@
               "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz?cache=0&sync_timestamp=1607566517339&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fdebug%2Fdownload%2Fdebug-2.6.9.tgz",
               "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "ms": "2.0.0"
               },
@@ -9781,7 +9948,8 @@
                   "version": "2.0.0",
                   "resolved": "https://registry.npm.taobao.org/ms/download/ms-2.0.0.tgz?cache=0&sync_timestamp=1607433988749&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fms%2Fdownload%2Fms-2.0.0.tgz",
                   "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-                  "dev": true
+                  "dev": true,
+                  "optional": true
                 }
               }
             },
@@ -9789,7 +9957,8 @@
               "version": "2.1.1",
               "resolved": "https://registry.npm.taobao.org/ms/download/ms-2.1.1.tgz?cache=0&sync_timestamp=1607433988749&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fms%2Fdownload%2Fms-2.1.1.tgz",
               "integrity": "sha1-MKWGTrPrsKZvLr5tcnrwagnYbgo=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -9858,20 +10027,19 @@
         "setimmediate": {
           "version": "1.0.5",
           "resolved": "http://registry.npm.taobao.org/setimmediate/download/setimmediate-1.0.5.tgz",
-          "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=",
-          "dev": true
+          "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
         },
         "setprototypeof": {
           "version": "1.1.1",
           "resolved": "https://registry.npm.taobao.org/setprototypeof/download/setprototypeof-1.1.1.tgz",
           "integrity": "sha1-fpWsskqpL1iF4KvvW6ExMw1K5oM=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "sha.js": {
           "version": "2.4.11",
           "resolved": "http://registry.npm.taobao.org/sha.js/download/sha.js-2.4.11.tgz",
           "integrity": "sha1-N6XPC4HsvGlD3hCbopYNGyZYSuc=",
-          "dev": true,
           "requires": {
             "inherits": "^2.0.1",
             "safe-buffer": "^5.0.1"
@@ -9881,13 +10049,15 @@
           "version": "1.0.1",
           "resolved": "https://registry.npm.taobao.org/simple-concat/download/simple-concat-1.0.1.tgz?cache=0&sync_timestamp=1594960915460&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsimple-concat%2Fdownload%2Fsimple-concat-1.0.1.tgz",
           "integrity": "sha1-9Gl2CCujXCJj8cirXt/ibEHJVS8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "simple-get": {
           "version": "2.8.1",
           "resolved": "https://registry.npm.taobao.org/simple-get/download/simple-get-2.8.1.tgz?cache=0&sync_timestamp=1589565190680&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsimple-get%2Fdownload%2Fsimple-get-2.8.1.tgz",
           "integrity": "sha1-DiLpHUV12HYgYgvJEwjVenf0S10=",
           "dev": true,
+          "optional": true,
           "requires": {
             "decompress-response": "^3.3.0",
             "once": "^1.3.1",
@@ -10227,7 +10397,8 @@
           "version": "1.5.0",
           "resolved": "https://registry.npm.taobao.org/statuses/download/statuses-1.5.0.tgz?cache=0&sync_timestamp=1609654438540&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fstatuses%2Fdownload%2Fstatuses-1.5.0.tgz",
           "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "stream-to-pull-stream": {
           "version": "1.7.3",
@@ -10251,7 +10422,8 @@
           "version": "1.1.0",
           "resolved": "https://registry.npm.taobao.org/strict-uri-encode/download/strict-uri-encode-1.1.0.tgz",
           "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "string.prototype.trim": {
           "version": "1.2.3",
@@ -10288,7 +10460,6 @@
           "version": "1.1.1",
           "resolved": "https://registry.npm.taobao.org/string_decoder/download/string_decoder-1.1.1.tgz",
           "integrity": "sha1-nPFhG6YmhdcDCunkujQUnDrwP8g=",
-          "dev": true,
           "requires": {
             "safe-buffer": "~5.1.0"
           },
@@ -10296,8 +10467,7 @@
             "safe-buffer": {
               "version": "5.1.2",
               "resolved": "https://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.1.2.tgz?cache=0&sync_timestamp=1589129010497&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsafe-buffer%2Fdownload%2Fsafe-buffer-5.1.2.tgz",
-              "integrity": "sha1-mR7GnSluAxN0fVm9/St0XDX4go0=",
-              "dev": true
+              "integrity": "sha1-mR7GnSluAxN0fVm9/St0XDX4go0="
             }
           }
         },
@@ -10305,7 +10475,6 @@
           "version": "1.0.0",
           "resolved": "https://registry.npm.taobao.org/strip-hex-prefix/download/strip-hex-prefix-1.0.0.tgz",
           "integrity": "sha1-DF8VX+8RUTczd96du1iNoFUA428=",
-          "dev": true,
           "requires": {
             "is-hex-prefixed": "1.0.0"
           }
@@ -10508,6 +10677,7 @@
               "resolved": "https://registry.npm.taobao.org/minipass/download/minipass-2.9.0.tgz",
               "integrity": "sha1-5xN2Ln0+Mv7YAxFc+T4EvKn8yaY=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -10535,7 +10705,8 @@
           "version": "4.0.1",
           "resolved": "https://registry.npm.taobao.org/timed-out/download/timed-out-4.0.1.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ftimed-out%2Fdownload%2Ftimed-out-4.0.1.tgz",
           "integrity": "sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "tmp": {
           "version": "0.1.0",
@@ -10595,7 +10766,8 @@
           "version": "1.0.0",
           "resolved": "https://registry.npm.taobao.org/toidentifier/download/toidentifier-1.0.0.tgz",
           "integrity": "sha1-fhvjRw8ed5SLxD2Uo8j013UrpVM=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "tough-cookie": {
           "version": "2.5.0",
@@ -10645,6 +10817,7 @@
           "resolved": "https://registry.npm.taobao.org/type-is/download/type-is-1.6.18.tgz",
           "integrity": "sha1-TlUs0F3wlGfcvE73Od6J8s83wTE=",
           "dev": true,
+          "optional": true,
           "requires": {
             "media-typer": "0.3.0",
             "mime-types": "~2.1.24"
@@ -10697,7 +10870,8 @@
           "version": "1.9.1",
           "resolved": "https://registry.npm.taobao.org/underscore/download/underscore-1.9.1.tgz?cache=0&sync_timestamp=1617995588611&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Funderscore%2Fdownload%2Funderscore-1.9.1.tgz",
           "integrity": "sha1-BtzjSg5op7q8KbNluOdLiSUgOWE=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "union-value": {
           "version": "1.0.1",
@@ -10735,7 +10909,8 @@
           "version": "1.0.0",
           "resolved": "http://registry.npm.taobao.org/unpipe/download/unpipe-1.0.0.tgz",
           "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "unset-value": {
           "version": "1.0.0",
@@ -10806,7 +10981,8 @@
           "version": "1.0.0",
           "resolved": "https://registry.npm.taobao.org/url-set-query/download/url-set-query-1.0.0.tgz",
           "integrity": "sha1-AW6M/Xwg7gXK/neV6JK9BwL6ozk=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "url-to-options": {
           "version": "1.0.1",
@@ -10834,13 +11010,13 @@
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           "integrity": "sha1-8FLu0TZNaW52nvBYsYPfiMh/adE=",
-          "dev": true
+          "dev": true,
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           "resolved": "http://registry.npm.taobao.org/util-deprecate/download/util-deprecate-1.0.2.tgz",
-          "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-          "dev": true
+          "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
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@@ -10872,13 +11048,15 @@
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           "integrity": "sha1-W0f4qUfrZouEjgNNz6h9D/in96Q=",
-          "dev": true
+          "dev": true,
+          "optional": true
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           "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -10934,6 +11112,7 @@
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           "integrity": "sha1-EEPKzBvsuAY4RTzFsqFL6QUCiKc=",
           "dev": true,
+          "optional": true,
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@@ -10948,7 +11127,8 @@
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               "integrity": "sha1-BHk8KvpM6DOply5MR2Qy4w+d9Hs=",
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -10957,6 +11137,7 @@
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           "integrity": "sha1-hMaB7QuULAID87MkokWhJ+jGepk=",
           "dev": true,
+          "optional": true,
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@@ -10968,6 +11149,7 @@
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           "integrity": "sha1-+IATfRUHoBJJEr8FJTTxaLjY+7Y=",
           "dev": true,
+          "optional": true,
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@@ -10982,6 +11164,7 @@
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           "integrity": "sha1-Uf6Xyg3ewvmb+MMwanqOSwlOo88=",
           "dev": true,
+          "optional": true,
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@@ -10991,6 +11174,7 @@
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           "integrity": "sha1-/m62A/uu4YUwKTqR+M8m2K4oxFo=",
           "dev": true,
+          "optional": true,
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@@ -11004,6 +11188,7 @@
           "resolved": "https://registry.npm.taobao.org/web3-core-subscriptions/download/web3-core-subscriptions-1.2.11.tgz?cache=0&sync_timestamp=1617946738128&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fweb3-core-subscriptions%2Fdownload%2Fweb3-core-subscriptions-1.2.11.tgz",
           "integrity": "sha1-vsqQj7/LBQwW9F8/D0wgXoUFrM0=",
           "dev": true,
+          "optional": true,
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@@ -11037,6 +11222,7 @@
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           "integrity": "sha1-qIdJTl1EfCkm1Vejg07dZuF6+bA=",
           "dev": true,
+          "optional": true,
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@@ -11089,6 +11275,7 @@
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           "integrity": "sha1-kXBlkCvCfOidqaHaJuYu9mNmO5A=",
           "dev": true,
+          "optional": true,
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             "underscore": "1.9.1",
@@ -11124,6 +11311,7 @@
           "resolved": "https://registry.npm.taobao.org/web3-eth-iban/download/web3-eth-iban-1.2.11.tgz?cache=0&sync_timestamp=1617946731050&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fweb3-eth-iban%2Fdownload%2Fweb3-eth-iban-1.2.11.tgz",
           "integrity": "sha1-9fcymDBbxzkuLxiL84pzYrQhRO8=",
           "dev": true,
+          "optional": true,
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             "web3-utils": "1.2.11"
@@ -11134,6 +11322,7 @@
           "resolved": "https://registry.npm.taobao.org/web3-eth-personal/download/web3-eth-personal-1.2.11.tgz?cache=0&sync_timestamp=1617946731390&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fweb3-eth-personal%2Fdownload%2Fweb3-eth-personal-1.2.11.tgz",
           "integrity": "sha1-o4s5QqHYemIHDOBiKpQVU8PVqnA=",
           "dev": true,
+          "optional": true,
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@@ -11147,7 +11336,8 @@
               "version": "12.19.12",
               "resolved": "https://registry.npm.taobao.org/@types/node/download/@types/node-12.19.12.tgz?cache=0&sync_timestamp=1616803743750&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40types%2Fnode%2Fdownload%2F%40types%2Fnode-12.19.12.tgz",
               "integrity": "sha1-BHk8KvpM6DOply5MR2Qy4w+d9Hs=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -11156,6 +11346,7 @@
           "resolved": "https://registry.npm.taobao.org/web3-net/download/web3-net-1.2.11.tgz?cache=0&sync_timestamp=1617946718027&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fweb3-net%2Fdownload%2Fweb3-net-1.2.11.tgz",
           "integrity": "sha1-7aaO8l5c22TJbDkIXNt0Zpqrvhs=",
           "dev": true,
+          "optional": true,
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             "web3-core-method": "1.2.11",
@@ -11216,12 +11407,39 @@
               "requires": {
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                 "ethereumjs-util": "^5.1.1"
+              },
+              "dependencies": {
+                "ethereumjs-abi": {
+                  "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#1a27c59c15ab1e95ee8e5c4ed6ad814c49cc439e",
+                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#1a27c59c15ab1e95ee8e5c4ed6ad814c49cc439e",
+                  "dev": true,
+                  "requires": {
+                    "bn.js": "^4.11.8",
+                    "ethereumjs-util": "^6.0.0"
+                  },
+                  "dependencies": {
+                    "ethereumjs-util": {
+                      "version": "6.2.1",
+                      "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.1.tgz",
+                      "integrity": "sha512-W2Ktez4L01Vexijrm5EB6w7dg4n/TgpoYU4avuT5T3Vmnw/eCRtiBrJfQYS/DCSvDIOLn2k57GcHdeBcgVxAqw==",
+                      "dev": true,
+                      "requires": {
+                        "@types/bn.js": "^4.11.3",
+                        "bn.js": "^4.11.0",
+                        "create-hash": "^1.1.2",
+                        "elliptic": "^6.5.2",
+                        "ethereum-cryptography": "^0.1.3",
+                        "ethjs-util": "0.1.6",
+                        "rlp": "^2.2.3"
+                      }
+                    }
+                  }
+                }
               }
             },
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#1a27c59c15ab1e95ee8e5c4ed6ad814c49cc439e",
               "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
-              "dev": true,
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@@ -11231,7 +11449,6 @@
                   "version": "6.2.1",
                   "resolved": "https://registry.npm.taobao.org/ethereumjs-util/download/ethereumjs-util-6.2.1.tgz",
                   "integrity": "sha1-/LTk3Vzqy50jBUJqsaXNk+MWO2k=",
-                  "dev": true,
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                     "bn.js": "^4.11.0",
@@ -11567,6 +11784,7 @@
           "resolved": "https://registry.npm.taobao.org/web3-providers-http/download/web3-providers-http-1.2.11.tgz?cache=0&sync_timestamp=1617946738357&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fweb3-providers-http%2Fdownload%2Fweb3-providers-http-1.2.11.tgz",
           "integrity": "sha1-HNA0QsYWcFctQOTc3x+v+L2R58Y=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "xhr2-cookies": "1.1.0"
@@ -11577,6 +11795,7 @@
           "resolved": "https://registry.npm.taobao.org/web3-providers-ipc/download/web3-providers-ipc-1.2.11.tgz?cache=0&sync_timestamp=1617946739377&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fweb3-providers-ipc%2Fdownload%2Fweb3-providers-ipc-1.2.11.tgz",
           "integrity": "sha1-0W1sm+G+bgtPRTbErMFrD08n7yE=",
           "dev": true,
+          "optional": true,
           "requires": {
             "oboe": "2.1.4",
             "underscore": "1.9.1",
@@ -11588,6 +11807,7 @@
           "resolved": "https://registry.npm.taobao.org/web3-providers-ws/download/web3-providers-ws-1.2.11.tgz?cache=0&sync_timestamp=1617946717571&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fweb3-providers-ws%2Fdownload%2Fweb3-providers-ws-1.2.11.tgz",
           "integrity": "sha1-od/W2XeNhAVh2ewT3UUwRkUalrs=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "underscore": "1.9.1",
@@ -11613,6 +11833,7 @@
           "resolved": "https://registry.npm.taobao.org/web3-utils/download/web3-utils-1.2.11.tgz?cache=0&sync_timestamp=1617946717270&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fweb3-utils%2Fdownload%2Fweb3-utils-1.2.11.tgz",
           "integrity": "sha1-rxlCrq0/sWauhRqYW+2O8sLZWoI=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "eth-lib": "0.2.8",
@@ -11629,6 +11850,7 @@
               "resolved": "https://registry.npm.taobao.org/eth-lib/download/eth-lib-0.2.8.tgz",
               "integrity": "sha1-sZQFi+9LIgrRLqSXQx1stqoGI8g=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "bn.js": "^4.11.6",
                 "elliptic": "^6.4.0",
@@ -11718,6 +11940,7 @@
           "resolved": "https://registry.npm.taobao.org/xhr-request/download/xhr-request-1.1.0.tgz",
           "integrity": "sha1-9KfBhoufGYcjRE2C3K4xdkPy4u0=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "object-assign": "^4.1.1",
@@ -11733,6 +11956,7 @@
           "resolved": "https://registry.npm.taobao.org/xhr-request-promise/download/xhr-request-promise-0.1.3.tgz",
           "integrity": "sha1-LV9LFtjGyJO+l/GmKw7Uzzyl+Ww=",
           "dev": true,
+          "optional": true,
           "requires": {
             "xhr-request": "^1.1.0"
           }
@@ -11742,6 +11966,7 @@
           "resolved": "https://registry.npm.taobao.org/xhr2-cookies/download/xhr2-cookies-1.1.0.tgz",
           "integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "cookiejar": "^2.1.1"
           }
@@ -11823,8 +12048,8 @@
     },
     "glob-parent": {
       "version": "5.1.2",
-      "resolved": "https://registry.npm.taobao.org/glob-parent/download/glob-parent-5.1.2.tgz",
-      "integrity": "sha1-hpgyxYA0/mikCTwX3BXoNA2EAcQ=",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
+      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
       "dev": true,
       "requires": {
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@@ -11865,12 +12090,6 @@
       "integrity": "sha1-/wQLKwhTsjw9MQJ1I3BvGIXXa+4=",
       "dev": true
     },
-    "growl": {
-      "version": "1.10.5",
-      "resolved": "https://registry.npm.taobao.org/growl/download/growl-1.10.5.tgz",
-      "integrity": "sha1-8nNdwig2dPpnR4sQGBBZNVw2nl4=",
-      "dev": true
-    },
     "har-schema": {
       "version": "2.0.0",
       "resolved": "http://registry.npm.taobao.org/har-schema/download/har-schema-2.0.0.tgz",
@@ -11888,18 +12107,30 @@
       }
     },
     "hardhat": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npm.taobao.org/hardhat/download/hardhat-2.1.2.tgz",
-      "integrity": "sha1-ohKLcbD7IW/8l4yFogMINbTjBuo=",
-      "dev": true,
-      "requires": {
-        "@nomiclabs/ethereumjs-vm": "4.2.2",
+      "version": "2.12.5",
+      "resolved": "https://registry.npmjs.org/hardhat/-/hardhat-2.12.5.tgz",
+      "integrity": "sha512-f/t7+hLlhsnQZ6LDXyV+8rHGRZFZY1sgFvgrwr9fBjMdGp1Bu6hHq1KXS4/VFZfZcVdL1DAWWEkryinZhqce+A==",
+      "dev": true,
+      "requires": {
+        "@ethersproject/abi": "^5.1.2",
+        "@metamask/eth-sig-util": "^4.0.0",
+        "@nomicfoundation/ethereumjs-block": "^4.0.0",
+        "@nomicfoundation/ethereumjs-blockchain": "^6.0.0",
+        "@nomicfoundation/ethereumjs-common": "^3.0.0",
+        "@nomicfoundation/ethereumjs-evm": "^1.0.0",
+        "@nomicfoundation/ethereumjs-rlp": "^4.0.0",
+        "@nomicfoundation/ethereumjs-statemanager": "^1.0.0",
+        "@nomicfoundation/ethereumjs-trie": "^5.0.0",
+        "@nomicfoundation/ethereumjs-tx": "^4.0.0",
+        "@nomicfoundation/ethereumjs-util": "^8.0.0",
+        "@nomicfoundation/ethereumjs-vm": "^6.0.0",
+        "@nomicfoundation/solidity-analyzer": "^0.1.0",
         "@sentry/node": "^5.18.1",
-        "@solidity-parser/parser": "^0.11.0",
-        "@types/bn.js": "^4.11.5",
+        "@types/bn.js": "^5.1.0",
         "@types/lru-cache": "^5.1.0",
         "abort-controller": "^3.0.0",
         "adm-zip": "^0.4.16",
+        "aggregate-error": "^3.0.0",
         "ansi-escapes": "^4.3.0",
         "chalk": "^2.4.2",
         "chokidar": "^3.4.0",
@@ -11907,102 +12138,341 @@
         "debug": "^4.1.1",
         "enquirer": "^2.3.0",
         "env-paths": "^2.2.0",
-        "eth-sig-util": "^2.5.2",
-        "ethereum-cryptography": "^0.1.2",
+        "ethereum-cryptography": "^1.0.3",
         "ethereumjs-abi": "^0.6.8",
-        "ethereumjs-account": "^3.0.0",
-        "ethereumjs-block": "^2.2.2",
-        "ethereumjs-common": "^1.5.0",
-        "ethereumjs-tx": "^2.1.2",
-        "ethereumjs-util": "^6.2.0",
         "find-up": "^2.1.0",
         "fp-ts": "1.19.3",
         "fs-extra": "^7.0.1",
-        "glob": "^7.1.3",
+        "glob": "7.2.0",
         "immutable": "^4.0.0-rc.12",
         "io-ts": "1.10.4",
+        "keccak": "^3.0.2",
         "lodash": "^4.17.11",
-        "merkle-patricia-tree": "3.0.0",
         "mnemonist": "^0.38.0",
-        "mocha": "^7.1.2",
-        "node-fetch": "^2.6.0",
+        "mocha": "^10.0.0",
+        "p-map": "^4.0.0",
         "qs": "^6.7.0",
         "raw-body": "^2.4.1",
         "resolve": "1.17.0",
         "semver": "^6.3.0",
-        "slash": "^3.0.0",
         "solc": "0.7.3",
         "source-map-support": "^0.5.13",
         "stacktrace-parser": "^0.1.10",
-        "true-case-path": "^2.2.1",
         "tsort": "0.0.1",
-        "uuid": "^3.3.2",
-        "ws": "^7.2.1"
+        "undici": "^5.4.0",
+        "uuid": "^8.3.2",
+        "ws": "^7.4.6"
       },
       "dependencies": {
-        "@types/bn.js": {
-          "version": "4.11.6",
-          "resolved": "https://registry.npm.taobao.org/@types/bn.js/download/@types/bn.js-4.11.6.tgz",
-          "integrity": "sha1-wwbHDZNYquozzU7aCSp0K5UFlnw=",
+        "@ethersproject/abi": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.7.0.tgz",
+          "integrity": "sha512-351ktp42TiRcYB3H1OP8yajPeAQstMW/yCFokj/AthP9bLHzQFPlOrxOcwYEDkUAICmOHljvN4K39OMTMUa9RA==",
           "dev": true,
           "requires": {
-            "@types/node": "*"
+            "@ethersproject/address": "^5.7.0",
+            "@ethersproject/bignumber": "^5.7.0",
+            "@ethersproject/bytes": "^5.7.0",
+            "@ethersproject/constants": "^5.7.0",
+            "@ethersproject/hash": "^5.7.0",
+            "@ethersproject/keccak256": "^5.7.0",
+            "@ethersproject/logger": "^5.7.0",
+            "@ethersproject/properties": "^5.7.0",
+            "@ethersproject/strings": "^5.7.0"
           }
         },
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           "dev": true
         },
-        "wrap-ansi": {
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-          "resolved": "https://registry.npm.taobao.org/wrap-ansi/download/wrap-ansi-5.1.0.tgz",
-          "integrity": "sha1-H9H2cjXVttD+54EFYAG/tpTAOwk=",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.0",
-            "string-width": "^3.0.0",
-            "strip-ansi": "^5.0.0"
-          }
-        },
-        "y18n": {
-          "version": "4.0.3",
-          "resolved": "https://registry.npm.taobao.org/y18n/download/y18n-4.0.3.tgz",
-          "integrity": "sha1-tfJZyCzW4zaSHv17/Yv1YN6e7t8=",
+        "is-plain-obj": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-2.1.0.tgz",
+          "integrity": "sha512-YWnfyRwxL/+SsrWYfOpUtz5b3YD+nyfkHvjbcanzk8zgyO4ASD67uVMRt8k5bM4lLMDnXfriRhOpemw+NfT1eA==",
           "dev": true
-        },
-        "yargs": {
-          "version": "13.3.2",
-          "resolved": "https://registry.npm.taobao.org/yargs/download/yargs-13.3.2.tgz",
-          "integrity": "sha1-rX/+/sGqWVZayRX4Lcyzipwxot0=",
-          "dev": true,
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-            "find-up": "^3.0.0",
-            "get-caller-file": "^2.0.1",
-            "require-directory": "^2.1.1",
-            "require-main-filename": "^2.0.0",
-            "set-blocking": "^2.0.0",
-            "string-width": "^3.0.0",
-            "which-module": "^2.0.0",
-            "y18n": "^4.0.0",
-            "yargs-parser": "^13.1.2"
-          }
-        },
-        "yargs-parser": {
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-          "resolved": "https://registry.npm.taobao.org/yargs-parser/download/yargs-parser-13.1.2.tgz",
-          "integrity": "sha1-Ew8JcC667vJlDVTObj5XBvek+zg=",
-          "dev": true,
-          "requires": {
-            "camelcase": "^5.0.0",
-            "decamelize": "^1.2.0"
-          }
         }
       }
+    },
+    "yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "dev": true
     }
   }
 }
diff --git a/blockchain/ethereum/erc721_example/package.json b/blockchain/ethereum/erc721_example/package.json
index 9e9996f..46769d6 100644
--- a/blockchain/ethereum/erc721_example/package.json
+++ b/blockchain/ethereum/erc721_example/package.json
@@ -9,7 +9,7 @@
     "chai": "^4.3.4",
     "ethereum-waffle": "^3.3.0",
     "ethers": "^5.1.0",
-    "hardhat": "^2.1.2",
+    "hardhat": "^2.12.5",
     "web3": "^1.3.5"
   },
   "dependencies": {}