diff --git a/.gitignore b/.gitignore
index 04c01ba7..e62ff4c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules/
-dist/
\ No newline at end of file
+dist/
+out/
diff --git a/README.md b/README.md
index 619cd1f4..da9e333f 100644
--- a/README.md
+++ b/README.md
@@ -20,25 +20,30 @@
 
 This project uses [yarn workspaces](https://classic.yarnpkg.com/en/docs/workspaces/).
 
-Install packages:
+Install packages (Node.JS v15.11.0):
 
 ```bash
 yarn
 ```
 
-Run the GQL server:
+Run the watcher:
 
 ```bash
-cd packages/server
+cd packages/watcher
 yarn run server
 ```
 
 GQL console: http://localhost:3001/graphql
 
-To run tests (GQL queries) against the server (currently mock data):
+To run tests (GQL queries) against the mock server:
+
+```
+cd packages/watcher
+yarn run server:mock
+```
 
 ```bash
-cd packages/server
+cd packages/watcher
 yarn test
 ```
 
@@ -46,21 +51,21 @@ yarn test
 
 ```text
 {
-  balanceOf(blockHash: "0x77b5479a5856dd8ec63df6aabf9ce0913071a6dda3a3d54f3c9c940574bcb8ab", token: "0xd87fea54f506972e3267239ec8e159548892074a", owner: "0xDC7d7A8920C8Eecc098da5B7522a5F31509b5Bfc") {
+  balanceOf(blockHash: "0x671e693ec3dccc948606db8d7e65ac3e16baea80a0dd6d56a126e07ccf85231f", token: "0x1ca7c995f8eF0A2989BbcE08D5B7Efe50A584aa1", owner: "0xDC7d7A8920C8Eecc098da5B7522a5F31509b5Bfc") {
     value
     proof {
       data
     }
   }
 
-  allowance(blockHash: "0x77b5479a5856dd8ec63df6aabf9ce0913071a6dda3a3d54f3c9c940574bcb8ab", token: "0xd87fea54f506972e3267239ec8e159548892074a", owner: "0xDC7d7A8920C8Eecc098da5B7522a5F31509b5Bfc", spender: "0xCA6D29232D1435D8198E3E5302495417dD073d61") {
+  allowance(blockHash: "0x671e693ec3dccc948606db8d7e65ac3e16baea80a0dd6d56a126e07ccf85231f", token: "0x1ca7c995f8eF0A2989BbcE08D5B7Efe50A584aa1", owner: "0xDC7d7A8920C8Eecc098da5B7522a5F31509b5Bfc", spender: "0xCA6D29232D1435D8198E3E5302495417dD073d61") {
     value
     proof {
       data
     }
   }
 
-  events(blockHash: "0x77b5479a5856dd8ec63df6aabf9ce0913071a6dda3a3d54f3c9c940574bcb8ab", token: "0xd87fea54f506972e3267239ec8e159548892074a") {
+  events(blockHash: "0x671e693ec3dccc948606db8d7e65ac3e16baea80a0dd6d56a126e07ccf85231f", token: "0x1ca7c995f8eF0A2989BbcE08D5B7Efe50A584aa1") {
     event {
       ... on TransferEvent {
         from
diff --git a/packages/cache/index.ts b/packages/cache/index.ts
new file mode 100644
index 00000000..9205650b
--- /dev/null
+++ b/packages/cache/index.ts
@@ -0,0 +1 @@
+export * from './src/cache';
diff --git a/packages/cache/package.json b/packages/cache/package.json
new file mode 100644
index 00000000..7ee1eff9
--- /dev/null
+++ b/packages/cache/package.json
@@ -0,0 +1,45 @@
+{
+    "name": "@vulcanize/cache",
+    "version": "0.1.0",
+    "description": "Generic object cache",
+    "private": true,
+    "main": "index.ts",
+    "scripts": {
+      "test": "mocha -r ts-node/register src/**/*.spec.ts"
+    },
+    "repository": {
+      "type": "git",
+      "url": "git+https://github.com/vulcanize/erc20-watcher.git"
+    },
+    "author": "",
+    "license": "UNLICENSED",
+    "bugs": {
+      "url": "https://github.com/vulcanize/erc20-watcher/issues"
+    },
+    "homepage": "https://github.com/vulcanize/erc20-watcher#readme",
+    "dependencies": {
+      "@types/lodash": "^4.14.168",
+      "apollo-type-bigint": "^0.1.3",
+      "canonical-json": "^0.0.4",
+      "debug": "^4.3.1",
+      "ethers": "^5.2.0",
+      "express": "^4.17.1",
+      "express-graphql": "^0.12.0",
+      "fs-extra": "^10.0.0",
+      "graphql": "^15.5.0",
+      "graphql-import-node": "^0.0.4",
+      "graphql-request": "^3.4.0",
+      "graphql-tools": "^7.0.4",
+      "left-pad": "^1.3.0",
+      "level": "^7.0.0",
+      "lodash": "^4.17.21",
+      "toml": "^3.0.0",
+      "yargs": "^17.0.1"
+    },
+    "devDependencies": {
+      "@types/express": "^4.17.11",
+      "@types/yargs": "^17.0.0",
+      "nodemon": "^2.0.7",
+      "ts-node": "^10.0.0"
+    }
+  }
diff --git a/packages/cache/src/cache.ts b/packages/cache/src/cache.ts
new file mode 100644
index 00000000..18136f19
--- /dev/null
+++ b/packages/cache/src/cache.ts
@@ -0,0 +1,81 @@
+import assert from 'assert';
+import canonicalStringify from 'canonical-json';
+import { ethers } from 'ethers';
+import level from 'level';
+import fs from 'fs-extra';
+import path from 'path';
+import debug from 'debug';
+
+const log = debug('vulcanize:cache');
+
+export const getCache = async (config) => {
+  let cache;
+
+  // Cache is optional.
+  if (config) {
+    log("config", JSON.stringify(config, null, 2));
+
+    const { name, enabled, deleteOnStart } = config;
+
+    assert(name);
+
+    const cacheDirPath = path.join(process.cwd(), 'out', `${name}.db`);
+    await fs.ensureDir(cacheDirPath);
+
+    // Delete cache on start.
+    if (deleteOnStart) {
+      await fs.emptyDir(cacheDirPath);
+    }
+
+    // Enable/disable flag for the cache.
+    if (enabled) {
+      cache = new Cache(name, cacheDirPath);
+    }
+  }
+
+  return cache;
+};
+
+export class Cache {
+
+  _db: any;
+  _name: string;
+
+  constructor(name, dirPath) {
+    assert(name);
+    assert(dirPath);
+
+    this._name = name;
+    this._db = level(dirPath, { valueEncoding: 'json' });;
+  }
+
+  key(obj) {
+    return this._cacheKey(obj);
+  }
+
+  async get(obj) {
+    const key = this._cacheKey(obj);
+
+    try {
+      const value = await this._db.get(key);
+
+      log(`${this._name}: cache hit ${key}`);
+
+      return [value, true];
+    } catch (err) {
+      log(`${this._name}: cache miss ${key}`);
+
+      if (err.notFound) {
+        return [undefined, false]
+      }
+    }
+  }
+
+  async put(obj, value) {
+    await this._db.put(this._cacheKey(obj), value);
+  }
+
+  _cacheKey(obj) {
+    return ethers.utils.keccak256(Buffer.from(canonicalStringify(obj)));
+  }
+}
diff --git a/packages/dashboard/.gitkeep b/packages/dashboard/.gitkeep
deleted file mode 100644
index e69de29b..00000000
diff --git a/packages/ipld-eth-client/index.ts b/packages/ipld-eth-client/index.ts
new file mode 100644
index 00000000..f307f7ac
--- /dev/null
+++ b/packages/ipld-eth-client/index.ts
@@ -0,0 +1,2 @@
+export * from './src/eth-client';
+export * from './src/utils';
diff --git a/packages/ipld-eth-client/package.json b/packages/ipld-eth-client/package.json
new file mode 100644
index 00000000..b80688cd
--- /dev/null
+++ b/packages/ipld-eth-client/package.json
@@ -0,0 +1,46 @@
+{
+    "name": "@vulcanize/ipld-eth-client",
+    "version": "0.1.0",
+    "description": "IPLD ETH Client",
+    "private": true,
+    "main": "index.ts",
+    "scripts": {
+      "test": "mocha -r ts-node/register src/**/*.spec.ts"
+    },
+    "repository": {
+      "type": "git",
+      "url": "git+https://github.com/vulcanize/erc20-watcher.git"
+    },
+    "author": "",
+    "license": "UNLICENSED",
+    "bugs": {
+      "url": "https://github.com/vulcanize/erc20-watcher/issues"
+    },
+    "homepage": "https://github.com/vulcanize/erc20-watcher#readme",
+    "dependencies": {
+      "@types/lodash": "^4.14.168",
+      "@vulcanize/cache": "^0.1.0",
+      "apollo-type-bigint": "^0.1.3",
+      "canonical-json": "^0.0.4",
+      "debug": "^4.3.1",
+      "ethers": "^5.2.0",
+      "express": "^4.17.1",
+      "express-graphql": "^0.12.0",
+      "fs-extra": "^10.0.0",
+      "graphql": "^15.5.0",
+      "graphql-import-node": "^0.0.4",
+      "graphql-request": "^3.4.0",
+      "graphql-tools": "^7.0.4",
+      "left-pad": "^1.3.0",
+      "level": "^7.0.0",
+      "lodash": "^4.17.21",
+      "toml": "^3.0.0",
+      "yargs": "^17.0.1"
+    },
+    "devDependencies": {
+      "@types/express": "^4.17.11",
+      "@types/yargs": "^17.0.0",
+      "nodemon": "^2.0.7",
+      "ts-node": "^10.0.0"
+    }
+  }
diff --git a/packages/ipld-eth-client/src/eth-client.ts b/packages/ipld-eth-client/src/eth-client.ts
new file mode 100644
index 00000000..6647b0d1
--- /dev/null
+++ b/packages/ipld-eth-client/src/eth-client.ts
@@ -0,0 +1,56 @@
+import assert from 'assert';
+import { GraphQLClient } from 'graphql-request';
+
+import { Cache } from '@vulcanize/cache';
+
+import ethQueries from './eth-queries';
+
+export class EthClient {
+
+  _config: any;
+  _client: any;
+  _cache: Cache;
+
+  constructor(config) {
+    this._config = config;
+
+    const { gqlEndpoint, cache } = config;
+    assert(gqlEndpoint, 'Missing gql endpoint');
+
+    this._client = new GraphQLClient(gqlEndpoint);
+    this._cache = cache;
+  }
+
+  async getStorageAt(vars) {
+    return this._getCachedOrFetch('getStorageAt', vars);
+  }
+
+  async getLogs(vars) {
+    return this._getCachedOrFetch('getLogs', vars);
+  }
+
+  async _getCachedOrFetch(queryName, vars) {
+    const keyObj = {
+      queryName,
+      vars
+    };
+
+    // Check if request cached in db, if cache is enabled.
+    if (this._cache) {
+      const [value, found] = await this._cache.get(keyObj);
+      if (found) {
+        return value;
+      }
+    }
+
+    // Not cached or cache disabled, need to perform an upstream GQL query.
+    const result = await this._client.request(ethQueries[queryName], vars);
+
+    // Cache the result and return it, if cache is enabled.
+    if (this._cache) {
+      await this._cache.put(keyObj, result);
+    }
+
+    return result;
+  }
+}
diff --git a/packages/ipld-eth-client/src/eth-queries.ts b/packages/ipld-eth-client/src/eth-queries.ts
new file mode 100644
index 00000000..3f6f7a1c
--- /dev/null
+++ b/packages/ipld-eth-client/src/eth-queries.ts
@@ -0,0 +1,30 @@
+import { gql } from 'graphql-request';
+
+export const getStorageAt = gql`
+query getStorageAt($blockHash: Bytes32!, $contract: Address!, $slot: Bytes32!) {
+  getStorageAt(blockHash: $blockHash, contract: $contract, slot: $slot) {
+    value
+    cid
+    ipldBlock
+  }
+}
+`;
+
+export const getLogs = gql`
+query getLogs($blockHash: Bytes32!, $contract: Address!) {
+  getLogs(blockHash: $blockHash, contract: $contract) {
+    account {
+      address
+    }
+    topics
+    data
+    cid
+    ipldBlock
+  }
+}
+`;
+
+export default {
+  getStorageAt,
+  getLogs
+};
diff --git a/packages/ipld-eth-client/src/utils.ts b/packages/ipld-eth-client/src/utils.ts
new file mode 100644
index 00000000..4484c04a
--- /dev/null
+++ b/packages/ipld-eth-client/src/utils.ts
@@ -0,0 +1,24 @@
+import leftPad from 'left-pad';
+import { ethers } from 'ethers';
+
+export const padKey = input =>
+  leftPad(ethers.utils.hexlify(input).replace('0x', ''), 64, '0');
+
+export const getMappingSlot = (mappingSlot, key) => {
+  const mappingSlotPadded = padKey(mappingSlot);
+  const keyPadded = padKey(key);
+  const fullKey = keyPadded.concat(mappingSlotPadded);
+  const slot = ethers.utils.keccak256(`0x${fullKey}`);
+
+  return slot
+};
+
+export const getStorageLeafKey = (slot) => ethers.utils.keccak256(slot);
+
+export const topictoAddress = (topic) => {
+  return ethers.utils.getAddress(
+    ethers.utils.hexZeroPad(
+      ethers.utils.hexStripZeros(topic), 20
+    )
+  );
+};
diff --git a/packages/server/src/gql.ts b/packages/server/src/gql.ts
deleted file mode 100644
index 02c03e94..00000000
--- a/packages/server/src/gql.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-import 'graphql-import-node';
-import { makeExecutableSchema } from '@graphql-tools/schema';
-
-import * as typeDefs from './erc20.graphql';
-import mockResolvers from './mock/resolvers';
-
-// TODO: Create resolvers backed by erc20 watcher.
-const resolvers = process.env.MOCK ? mockResolvers : {};
-
-export const schema = makeExecutableSchema({
-  typeDefs,
-  resolvers
-});
diff --git a/packages/server/src/mock/resolvers.ts b/packages/server/src/mock/resolvers.ts
deleted file mode 100644
index 8c130849..00000000
--- a/packages/server/src/mock/resolvers.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import BigInt from 'apollo-type-bigint';
-
-import { blocks } from './data';
-
-const resolvers = {
-  BigInt: new BigInt('bigInt'),
-
-  TokenEvent: {
-    __resolveType: (obj) => {
-      if (obj.owner) {
-        return 'ApprovalEvent';
-      }
-
-      return 'TransferEvent';
-    }
-  },
-
-  Query: {
-
-    balanceOf: (_, { blockHash, token, owner }) => {
-      console.log('balanceOf', blockHash, token, owner);
-
-      return {
-        value: blocks[blockHash][token].balanceOf[owner],
-        proof: { data: '' }
-      }
-    },
-
-    allowance: (_, { blockHash, token, owner, spender }) => {
-      console.log('allowance', blockHash, token, owner, spender);
-
-      return {
-        value: blocks[blockHash][token].allowance[owner][spender],
-        proof: { data: '' }
-      }
-    },
-
-    events: (_, { blockHash, token, name }) => {
-      console.log('events', blockHash, token, name);
-      return blocks[blockHash][token].events
-        .filter(e => !name || name === e.name)
-        .map(e => ({ 'event': e }));
-    }
-  }
-};
-
-export default resolvers;
diff --git a/packages/server/src/server.ts b/packages/server/src/server.ts
deleted file mode 100644
index 5e73024a..00000000
--- a/packages/server/src/server.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import express, { Application, Request, Response } from 'express';
-import { graphqlHTTP } from 'express-graphql';
-
-import { schema } from './gql';
-
-const app: Application = express();
-
-// TODO: Accept CLI param for host and port.
-const port: number = 3001;
-
-app.use(
-  '/graphql',
-  graphqlHTTP({
-    schema,
-    graphiql: true,
-  }),
-);
-
-app.get('/', (req: Request, res: Response) => {
-  res.send('ERC20 Watcher');
-});
-
-app.listen(port, () => {
-  console.log(`Server is listening on port ${port}`);
-});
diff --git a/packages/watcher/.gitkeep b/packages/watcher/.gitkeep
deleted file mode 100644
index e69de29b..00000000
diff --git a/packages/watcher/environments/local.toml b/packages/watcher/environments/local.toml
new file mode 100644
index 00000000..21c90626
--- /dev/null
+++ b/packages/watcher/environments/local.toml
@@ -0,0 +1,12 @@
+[server]
+  host = "127.0.0.1"
+  port = 3001
+
+
+[upstream]
+  gqlEndpoint = "http://127.0.0.1:8083/graphql"
+
+  [upstream.cache]
+    name = "requests"
+    enabled = true
+    deleteOnStart = false
diff --git a/packages/server/package.json b/packages/watcher/package.json
similarity index 57%
rename from packages/server/package.json
rename to packages/watcher/package.json
index 25f8a938..4017b10b 100644
--- a/packages/server/package.json
+++ b/packages/watcher/package.json
@@ -1,10 +1,11 @@
 {
-  "name": "erc20-watcher",
+  "name": "@vulcanize/erc20-watcher",
   "version": "0.1.0",
   "description": "ERC20 Watcher",
   "private": true,
   "scripts": {
-    "server": "MOCK=1 nodemon src/server.ts",
+    "server": "DEBUG=vulcanize:* nodemon src/server.ts -f environments/local.toml",
+    "server:mock": "MOCK=1 nodemon src/server.ts -f environments/local.toml",
     "test": "mocha -r ts-node/register src/**/*.spec.ts"
   },
   "repository": {
@@ -19,17 +20,29 @@
   "homepage": "https://github.com/vulcanize/erc20-watcher#readme",
   "dependencies": {
     "@types/lodash": "^4.14.168",
+    "@vulcanize/cache": "^0.1.0",
+    "@vulcanize/ipld-eth-client": "^0.1.0",
     "apollo-type-bigint": "^0.1.3",
+    "canonical-json": "^0.0.4",
+    "debug": "^4.3.1",
+    "ethers": "^5.2.0",
     "express": "^4.17.1",
     "express-graphql": "^0.12.0",
+    "fs-extra": "^10.0.0",
     "graphql": "^15.5.0",
     "graphql-import-node": "^0.0.4",
     "graphql-request": "^3.4.0",
     "graphql-tools": "^7.0.4",
-    "lodash": "^4.17.21"
+    "left-pad": "^1.3.0",
+    "level": "^7.0.0",
+    "lodash": "^4.17.21",
+    "toml": "^3.0.0",
+    "yargs": "^17.0.1"
   },
   "devDependencies": {
     "@types/express": "^4.17.11",
-    "nodemon": "^2.0.7"
+    "@types/yargs": "^17.0.0",
+    "nodemon": "^2.0.7",
+    "ts-node": "^10.0.0"
   }
 }
diff --git a/packages/server/src/erc20.graphql b/packages/watcher/src/erc20.graphql
similarity index 100%
rename from packages/server/src/erc20.graphql
rename to packages/watcher/src/erc20.graphql
diff --git a/packages/watcher/src/gql.ts b/packages/watcher/src/gql.ts
new file mode 100644
index 00000000..3bfca158
--- /dev/null
+++ b/packages/watcher/src/gql.ts
@@ -0,0 +1,15 @@
+import 'graphql-import-node';
+import { makeExecutableSchema } from '@graphql-tools/schema';
+
+import * as typeDefs from './erc20.graphql';
+import { createResolvers as createMockResolvers } from './mock/resolvers';
+import { createResolvers } from './resolvers';
+
+export const createSchema = async (config) => {
+  const resolvers = process.env.MOCK ? await createMockResolvers(config) : await createResolvers(config);
+
+  return makeExecutableSchema({
+    typeDefs,
+    resolvers
+  });
+};
diff --git a/packages/server/src/mock/data.ts b/packages/watcher/src/mock/data.ts
similarity index 100%
rename from packages/server/src/mock/data.ts
rename to packages/watcher/src/mock/data.ts
diff --git a/packages/watcher/src/mock/resolvers.ts b/packages/watcher/src/mock/resolvers.ts
new file mode 100644
index 00000000..ef80e635
--- /dev/null
+++ b/packages/watcher/src/mock/resolvers.ts
@@ -0,0 +1,51 @@
+import debug from 'debug';
+import BigInt from 'apollo-type-bigint';
+
+import { blocks } from './data';
+
+const log = debug('test');
+
+export const createResolvers = async (config) => {
+
+  return {
+    BigInt: new BigInt('bigInt'),
+
+    TokenEvent: {
+      __resolveType: (obj) => {
+        if (obj.owner) {
+          return 'ApprovalEvent';
+        }
+
+        return 'TransferEvent';
+      }
+    },
+
+    Query: {
+
+      balanceOf: (_, { blockHash, token, owner }) => {
+        log('balanceOf', blockHash, token, owner);
+
+        return {
+          value: blocks[blockHash][token].balanceOf[owner],
+          proof: { data: '' }
+        }
+      },
+
+      allowance: (_, { blockHash, token, owner, spender }) => {
+        log('allowance', blockHash, token, owner, spender);
+
+        return {
+          value: blocks[blockHash][token].allowance[owner][spender],
+          proof: { data: '' }
+        }
+      },
+
+      events: (_, { blockHash, token, name }) => {
+        log('events', blockHash, token, name);
+        return blocks[blockHash][token].events
+          .filter(e => !name || name === e.name)
+          .map(e => ({ 'event': e }));
+      }
+    }
+  };
+};
diff --git a/packages/server/src/mock/server.spec.ts b/packages/watcher/src/mock/server.spec.ts
similarity index 98%
rename from packages/server/src/mock/server.spec.ts
rename to packages/watcher/src/mock/server.spec.ts
index deae6147..a3c6dff9 100644
--- a/packages/server/src/mock/server.spec.ts
+++ b/packages/watcher/src/mock/server.spec.ts
@@ -57,8 +57,6 @@ blockHashes.forEach(blockHash => {
   });
 });
 
-// console.log(JSON.stringify(testCases, null, 2));
-
 describe('server', () => {
 
   const client = new GraphQLClient("http://localhost:3001/graphql");
diff --git a/packages/server/src/queries.ts b/packages/watcher/src/queries.ts
similarity index 100%
rename from packages/server/src/queries.ts
rename to packages/watcher/src/queries.ts
diff --git a/packages/watcher/src/resolvers.ts b/packages/watcher/src/resolvers.ts
new file mode 100644
index 00000000..192889cd
--- /dev/null
+++ b/packages/watcher/src/resolvers.ts
@@ -0,0 +1,179 @@
+import assert from 'assert';
+import BigInt from 'apollo-type-bigint';
+import debug from 'debug';
+
+import { getCache } from '@vulcanize/cache';
+import { EthClient, getMappingSlot, topictoAddress } from '@vulcanize/ipld-eth-client';
+
+// Event slots.
+// TODO: Read from storage layout file.
+const ERC20_BALANCE_OF_SLOT = "0x00";
+const ERC20_ALLOWANCE_SLOT = "0x01";
+
+// Event signatures.
+// TODO: Generate from ABI.
+const ERC20_EVENT_NAME_TOPICS = {
+  "Transfer": "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
+  "Approval": "0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925"
+};
+
+// Topic to GQL event name.
+// TODO: Generate from ABI.
+const GQL_EVENT_TYPE = {
+  "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef": "TransferEvent",
+  "0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925": "ApprovalEvent"
+};
+
+const log = debug('vulcanize:resolver');
+
+export const createResolvers = async (config) => {
+
+  const { upstream } = config;
+  assert(upstream, 'Missing upstream config');
+
+  const { gqlEndpoint, cache: cacheConfig } = upstream;
+  assert(upstream, 'Missing upstream gqlEndpoint');
+
+  const cache = await getCache(cacheConfig);
+  const ethClient = new EthClient({ gqlEndpoint, cache });
+
+  return {
+    BigInt: new BigInt('bigInt'),
+
+    TokenEvent: {
+      __resolveType: (obj) => {
+        if (obj.owner) {
+          return 'ApprovalEvent';
+        }
+
+        return 'TransferEvent';
+      }
+    },
+
+    Query: {
+
+      balanceOf: async (_, { blockHash, token, owner }) => {
+        log('balanceOf', blockHash, token, owner);
+
+        const slot = getMappingSlot(ERC20_BALANCE_OF_SLOT, owner);
+
+        const vars = {
+          blockHash,
+          contract: token,
+          slot
+        };
+
+        const result = await ethClient.getStorageAt(vars);
+        log(JSON.stringify(result, null, 2));
+
+        const { getStorageAt: { value, cid, ipldBlock }} = result;
+
+        return {
+          value,
+          proof: {
+            // TODO: Return proof only if requested.
+            data: JSON.stringify({
+              blockHash,
+              account: {
+                address: token,
+                storage: {
+                  cid,
+                  ipldBlock
+                }
+              }
+            })
+          }
+        }
+      },
+
+      allowance: async (_, { blockHash, token, owner, spender }) => {
+        log('allowance', blockHash, token, owner, spender);
+
+        const slot = getMappingSlot(getMappingSlot(ERC20_ALLOWANCE_SLOT, owner), spender);
+
+        const vars = {
+          blockHash,
+          contract: token,
+          slot
+        };
+
+        const result = await ethClient.getStorageAt(vars);
+        log(JSON.stringify(result, null, 2));
+
+        const { getStorageAt: { value, cid, ipldBlock }} = result;
+
+        return {
+          value,
+          proof: {
+            // TODO: Return proof only if requested.
+            data: JSON.stringify({
+              blockHash,
+              account: {
+                address: token,
+                storage: {
+                  cid,
+                  ipldBlock
+                }
+              }
+            })
+          }
+        }
+      },
+
+      events: async (_, { blockHash, token, name }) => {
+        log('events', blockHash, token, name);
+
+        const vars = {
+          blockHash,
+          contract: token
+        };
+
+        const result = await ethClient.getLogs(vars);
+        log(JSON.stringify(result, null, 2));
+
+        return result.getLogs
+          .filter(e => !name || ERC20_EVENT_NAME_TOPICS[name] === e.topics[0])
+          .map(e => {
+            const [topic0, topic1, topic2] = e.topics;
+
+            const eventName = GQL_EVENT_TYPE[topic0];
+            const address1 = topictoAddress(topic1);
+            const address2 = topictoAddress(topic2);
+
+            const eventFields = { value : e.data };
+
+
+            switch (eventName) {
+              case 'TransferEvent': {
+                eventFields['from'] = address1;
+                eventFields['to'] = address2;
+                break;
+              };
+              case 'ApprovalEvent': {
+                eventFields['owner'] = address1;
+                eventFields['spender'] = address2;
+                break;
+              };
+            }
+
+            return {
+              event: {
+                __typename: eventName,
+                ...eventFields
+              },
+              proof: {
+                // TODO: Return proof only if requested.
+                data: JSON.stringify({
+                  blockHash,
+                  receipt: {
+                    cid: e.cid,
+                    ipldBlock: e.ipldBlock
+                  }
+                })
+              }
+            }
+          });
+      }
+    }
+  };
+};
diff --git a/packages/watcher/src/server.ts b/packages/watcher/src/server.ts
new file mode 100644
index 00000000..f6bde7fc
--- /dev/null
+++ b/packages/watcher/src/server.ts
@@ -0,0 +1,66 @@
+import assert from 'assert';
+import express, { Application, Request, Response } from 'express';
+import { graphqlHTTP } from 'express-graphql';
+import fs from 'fs-extra';
+import path from 'path';
+import toml from 'toml';
+import yargs from 'yargs';
+import { hideBin } from 'yargs/helpers'
+import debug from 'debug';
+
+import { createSchema } from './gql';
+
+const log = debug('vulcanize:server');
+
+export const createServer = async () => {
+  const argv = yargs(hideBin(process.argv))
+    .option('f', {
+      alias: 'config-file',
+      demandOption: true,
+      describe: 'configuration file path (toml)',
+      type: 'string'
+    })
+    .argv
+
+  const configFile = argv['configFile'];
+  const configFilePath = path.resolve(configFile);
+  const fileExists = await fs.exists(configFilePath);
+  if (!fileExists) {
+    throw new Error(`Config file not found: ${configFilePath}`);
+  }
+
+  var config = toml.parse(await fs.readFile(configFilePath));
+  log("config", JSON.stringify(config, null, 2));
+
+  assert(config.server, 'Missing server config');
+
+  const { host, port } = config.server;
+
+  const app: Application = express();
+
+  const schema = await createSchema(config);
+
+  app.use(
+    '/graphql',
+    graphqlHTTP({
+      schema,
+      graphiql: true,
+    }),
+  );
+
+  app.get('/', (req: Request, res: Response) => {
+    res.send('ERC20 Watcher');
+  });
+
+  app.listen(port, host, () => {
+    log(`Server is listening on host ${host} port ${port}`);
+  });
+
+  return app;
+};
+
+createServer().then(() => {
+  log('Starting server...');
+}).catch(err => {
+  log(err);
+});
diff --git a/yarn.lock b/yarn.lock
index c13c83a4..9b374c89 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -490,6 +490,344 @@
     "@babel/helper-validator-identifier" "^7.14.0"
     to-fast-properties "^2.0.0"
 
+"@ethersproject/abi@5.2.0", "@ethersproject/abi@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.2.0.tgz#e2ca0b7f7e3b83e4d427ed8b38fdc1c48e2bb00f"
+  integrity sha512-24ExfHa0VbIOUHbB36b6lCVmWkaIVmrd9/m8MICtmSsRKzlugWqUD0B8g0zrRylXNxAOc3V6T4xKJ8jEDSvp3w==
+  dependencies:
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/constants" "^5.2.0"
+    "@ethersproject/hash" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+
+"@ethersproject/abstract-provider@5.2.0", "@ethersproject/abstract-provider@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.2.0.tgz#b5c24b162f119b5d241738ded9555186013aa77d"
+  integrity sha512-Xi7Pt+CulRijc/vskBGIaYMEhafKjoNx8y4RNj/dnSpXHXScOJUSTtypqGBUngZddRbcwZGbHwEr6DZoKZwIZA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/networks" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/transactions" "^5.2.0"
+    "@ethersproject/web" "^5.2.0"
+
+"@ethersproject/abstract-signer@5.2.0", "@ethersproject/abstract-signer@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.2.0.tgz#8e291fb6558b4190fb3e2fe440a9ffd092a2f459"
+  integrity sha512-JTXzLUrtoxpOEq1ecH86U7tstkEa9POKAGbGBb+gicbjGgzYYkLR4/LD83SX2/JNWvtYyY8t5errt5ehiy1gxQ==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+
+"@ethersproject/address@5.2.0", "@ethersproject/address@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.2.0.tgz#afcfa92db84582f54a60a9da361cea4aae450a69"
+  integrity sha512-2YfZlalWefOEfnr/CdqKRrgMgbKidYc+zG4/ilxSdcryZSux3eBU5/5btAT/hSiaHipUjd8UrWK8esCBHU6QNQ==
+  dependencies:
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/rlp" "^5.2.0"
+
+"@ethersproject/base64@5.2.0", "@ethersproject/base64@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.2.0.tgz#e01066d25e5b4e8a051545163bee5def47bd9534"
+  integrity sha512-D9wOvRE90QBI+yFsKMv0hnANiMzf40Xicq9JZbV9XYzh7srImmwmMcReU2wHjOs9FtEgSJo51Tt+sI1dKPYKDg==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+
+"@ethersproject/basex@5.2.0", "@ethersproject/basex@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/basex/-/basex-5.2.0.tgz#f921039e3bdfdab8c5a7ba8b21e81c83fc1ab98b"
+  integrity sha512-Oo7oX7BmaHLY/8ZsOLI5W0mrSwPBb1iboosN17jfK/4vGAtKjAInDai9I72CzN4NRJaMN5FkFLoPYywGqgGHlg==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+
+"@ethersproject/bignumber@5.2.0", "@ethersproject/bignumber@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.2.0.tgz#03f91ea740c5adb6f8c6a2e91bb4ee5ffaff5503"
+  integrity sha512-+MNQTxwV7GEiA4NH/i51UqQ+lY36O0rxPdV+0qzjFSySiyBlJpLk6aaa4UTvKmYWlI7YKZm6vuyCENeYn7qAOw==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    bn.js "^4.4.0"
+
+"@ethersproject/bytes@5.2.0", "@ethersproject/bytes@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.2.0.tgz#327917d5a1600f92fd2a9da4052fa6d974583132"
+  integrity sha512-O1CRpvJDnRTB47vvW8vyqojUZxVookb4LJv/s06TotriU3Xje5WFvlvXJu1yTchtxTz9BbvJw0lFXKpyO6Dn7w==
+  dependencies:
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/constants@5.2.0", "@ethersproject/constants@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.2.0.tgz#ccea78ce325f78abfe7358397c03eec570518d92"
+  integrity sha512-p+34YG0KbHS20NGdE+Ic0M6egzd7cDvcfoO9RpaAgyAYm3V5gJVqL7UynS87yCt6O6Nlx6wRFboPiM5ctAr+jA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.2.0"
+
+"@ethersproject/contracts@5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/contracts/-/contracts-5.2.0.tgz#f54e12ec4a323f2bf93c338034839cc6dfc1e347"
+  integrity sha512-/2fg5tWPG6Z4pciEWpwGji3ggGA5j0ChVNF7NTmkOhvFrrJuWnRpzbvYA00nz8tBDNCOV3cwub5zfWRpgwYEJQ==
+  dependencies:
+    "@ethersproject/abi" "^5.2.0"
+    "@ethersproject/abstract-provider" "^5.2.0"
+    "@ethersproject/abstract-signer" "^5.2.0"
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/constants" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/transactions" "^5.2.0"
+
+"@ethersproject/hash@5.2.0", "@ethersproject/hash@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.2.0.tgz#2d21901eafc5bdb738b4ad96bee364d371ec724b"
+  integrity sha512-wEGry2HFFSssFiNEkFWMzj1vpdFv4rQlkBp41UfL6J58zKGNycoAWimokITDMk8p7548MKr27h48QfERnNKkRw==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.2.0"
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+
+"@ethersproject/hdnode@5.2.0", "@ethersproject/hdnode@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hdnode/-/hdnode-5.2.0.tgz#efea9b2f713e55aa5ba23cc62b4aac6d08dcfa53"
+  integrity sha512-ffq2JrW5AftCmfWZ8DxpdWdw/x06Yn+e9wrWHLpj8If1+w87W4LbTMRUaUmO1DUSN8H8g/6kMUKCTJPVuxsuOw==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.2.0"
+    "@ethersproject/basex" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/pbkdf2" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/sha2" "^5.2.0"
+    "@ethersproject/signing-key" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+    "@ethersproject/transactions" "^5.2.0"
+    "@ethersproject/wordlists" "^5.2.0"
+
+"@ethersproject/json-wallets@5.2.0", "@ethersproject/json-wallets@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/json-wallets/-/json-wallets-5.2.0.tgz#d41c7c39e4d236b586e26e2145b09ac49dc56608"
+  integrity sha512-iWxSm9XiugEtaehYD6w1ImmXeatjcGcrQvffZVJHH1UqV4FckDzrOYnZBRHPQRYlnhNVrGTld1+S0Cu4MB8gdw==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.2.0"
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/hdnode" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/pbkdf2" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/random" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+    "@ethersproject/transactions" "^5.2.0"
+    aes-js "3.0.0"
+    scrypt-js "3.0.1"
+
+"@ethersproject/keccak256@5.2.0", "@ethersproject/keccak256@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.2.0.tgz#15257862807c23f24a3209d1016d322dca85a464"
+  integrity sha512-LqyxTwVANga5Y3L1yo184czW6b3PibabN8xyE/eOulQLLfXNrHHhwrOTpOhoVRWCICVCD/5SjQfwqTrczjS7jQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    js-sha3 "0.5.7"
+
+"@ethersproject/logger@5.2.0", "@ethersproject/logger@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.2.0.tgz#accf5348251f78b6c8891af67f42490a4ea4e5ae"
+  integrity sha512-dPZ6/E3YiArgG8dI/spGkaRDry7YZpCntf4gm/c6SI8Mbqiihd7q3nuLN5VvDap/0K3xm3RE1AIUOcUwwh2ezQ==
+
+"@ethersproject/networks@5.2.0", "@ethersproject/networks@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.2.0.tgz#66c23c6ac477dd703645b2c971ac842d8b8aa524"
+  integrity sha512-q+htMgq7wQoEnjlkdHM6t1sktKxNbEB/F6DQBPNwru7KpQ1R0n0UTIXJB8Rb7lSnvjqcAQ40X3iVqm94NJfYDw==
+  dependencies:
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/pbkdf2@5.2.0", "@ethersproject/pbkdf2@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/pbkdf2/-/pbkdf2-5.2.0.tgz#8166a7a7238a5fd1d9bb6eb2000fea0f19fdde06"
+  integrity sha512-qKOoO6yir/qnAgg6OP3U4gRuZ6jl9P7xwggRu/spVfnuaR+wa490AatWLqB1WOXKf6JFjm5yOaT/T5fCICQVdQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/sha2" "^5.2.0"
+
+"@ethersproject/properties@5.2.0", "@ethersproject/properties@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.2.0.tgz#8fadf367f7ac7357019d0224aa579b234c545ac1"
+  integrity sha512-oNFkzcoGwXXV+/Yp/MLcDLrL/2i360XIy2YN9yRZJPnIbLwjroFNLiRzLs6PyPw1D09Xs8OcPR1/nHv6xDKE2A==
+  dependencies:
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/providers@5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/providers/-/providers-5.2.0.tgz#b2f3e3b2ca4567c8372543ceb6f3c6e3a2370783"
+  integrity sha512-Yf/ZUqCrVr+jR0SHA9GuNZs4R1xnV9Ibnh1TlOa0ZzI6o+Qf8bEyE550k9bYI4zk2f9x9baX2RRs6BJY7Jz/WA==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.2.0"
+    "@ethersproject/abstract-signer" "^5.2.0"
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/basex" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/constants" "^5.2.0"
+    "@ethersproject/hash" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/networks" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/random" "^5.2.0"
+    "@ethersproject/rlp" "^5.2.0"
+    "@ethersproject/sha2" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+    "@ethersproject/transactions" "^5.2.0"
+    "@ethersproject/web" "^5.2.0"
+    bech32 "1.1.4"
+    ws "7.2.3"
+
+"@ethersproject/random@5.2.0", "@ethersproject/random@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/random/-/random-5.2.0.tgz#1d7e19f17d88eda56228a263063826829e49eebe"
+  integrity sha512-7Nd3qjivBGlDCGDuGYjPi8CXdtVhRZ7NeyBXoJgtnJBwn1S01ahrbMeOUVmRVWrFM0YiSEPEGo7i4xEu2gRPcg==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/rlp@5.2.0", "@ethersproject/rlp@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.2.0.tgz#bbf605183818a9d96bdc40323d734c79e26cfaca"
+  integrity sha512-RqGsELtPWxcFhOOhSr0lQ2hBNT9tBE08WK0tb6VQbCk97EpqkbgP8yXED9PZlWMiRGchJTw6S+ExzK62XMX/fw==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/sha2@5.2.0", "@ethersproject/sha2@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/sha2/-/sha2-5.2.0.tgz#ae18fa6c09c6d99fa2b564dac7276bcd513c1579"
+  integrity sha512-Wqqptfn0PRO2mvmpktPW1HOLrrCyGtxhVQxO1ZyePoGrcEOurhICOlIvkTogoX4Q928D3Z9XtSSCUbdOJUF2kg==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    hash.js "1.1.3"
+
+"@ethersproject/signing-key@5.2.0", "@ethersproject/signing-key@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.2.0.tgz#e8eb10d3c0f4a575479db8d70c62aaf93cd384d1"
+  integrity sha512-9A+dVSkrVAPuhJnWqLWV/NkKi/KB4iagTKEuojfuApUfeIHEhpwQ0Jx3cBimk7qWISSSKdgiAmIqpvVtZ5FEkg==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    bn.js "^4.4.0"
+    elliptic "6.5.4"
+
+"@ethersproject/solidity@5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/solidity/-/solidity-5.2.0.tgz#ac902d8f8b11bf58fd37ccf77392178cbbd0b08f"
+  integrity sha512-EEFlNyEnONW3CWF8UGWPcqxJUHiaIoofO7itGwO/2gvGpnwlL+WUV+GmQoHNxmn+QJeOHspnZuh6NOVrJL6H1g==
+  dependencies:
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/sha2" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+
+"@ethersproject/strings@5.2.0", "@ethersproject/strings@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.2.0.tgz#e93d989859587191c3f64bda124d9dedbc3f5a97"
+  integrity sha512-RmjX800wRYKgrzo2ZCSlA8OCQYyq4+M46VgjSVDVyYkLZctBXC3epqlppDA24R7eo856KNbXqezZsMnHT+sSuA==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/constants" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/transactions@5.2.0", "@ethersproject/transactions@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.2.0.tgz#052e2ef8f8adf7037ebe4cc47aad2a61950e6491"
+  integrity sha512-QrGbhGYsouNNclUp3tWMbckMsuXJTOsA56kT3BuRrLlXJcUH7myIihajXdSfKcyJsvHJPrGZP+U3TKh+sLzZtg==
+  dependencies:
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/constants" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/rlp" "^5.2.0"
+    "@ethersproject/signing-key" "^5.2.0"
+
+"@ethersproject/units@5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/units/-/units-5.2.0.tgz#08643e5d4583ecc1a32b103c1157f7ae80803392"
+  integrity sha512-yrwlyomXcBBHp5oSrLxlLkyHN7dVu3PO7hMbQXc00h388zU4TF3o/PAIUhh+x695wgJ19Fa8YgUWCab3a1RDwA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/constants" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/wallet@5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/wallet/-/wallet-5.2.0.tgz#b5a8406676067e34f633536a4cb53c2ff98c0b5c"
+  integrity sha512-uPdjZwUmAJLo1+ybR/G/rL9pv/NEcCqOsjn6RJFvG7RmwP2kS1v5C+F+ysgx2W/PxBIVT+2IEsfXLbBz8s/6Rg==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.2.0"
+    "@ethersproject/abstract-signer" "^5.2.0"
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/hash" "^5.2.0"
+    "@ethersproject/hdnode" "^5.2.0"
+    "@ethersproject/json-wallets" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/random" "^5.2.0"
+    "@ethersproject/signing-key" "^5.2.0"
+    "@ethersproject/transactions" "^5.2.0"
+    "@ethersproject/wordlists" "^5.2.0"
+
+"@ethersproject/web@5.2.0", "@ethersproject/web@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.2.0.tgz#47d8e152e7fcc07ba0aff4f99fde268fde79dd7a"
+  integrity sha512-mYb9qxGlOBFR2pR6t1CZczuqqX6r8RQGn7MtwrBciMex3cvA/qs+wbmcDgl+/OZY0Pco/ih6WHQRnVi+4sBeCQ==
+  dependencies:
+    "@ethersproject/base64" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+
+"@ethersproject/wordlists@5.2.0", "@ethersproject/wordlists@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/wordlists/-/wordlists-5.2.0.tgz#afcce0229e9ef64af1bf8a1e96571fa441e9f444"
+  integrity sha512-/7TG5r/Zm8Wd9WhoqQ4QnntgMkIfIZ8QVrpU81muiChLD26XLOgmyiqKPL7K058uYt7UZ0wzbXjxyCYadU3xFQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/hash" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+
 "@graphql-tools/batch-delegate@^7.0.0":
   version "7.0.2"
   resolved "https://registry.yarnpkg.com/@graphql-tools/batch-delegate/-/batch-delegate-7.0.2.tgz#e18bfe3f545c60c03b0bc079fe4bfa8f208b1631"
@@ -784,6 +1122,26 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
+"@tsconfig/node10@^1.0.7":
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node10/-/node10-1.0.7.tgz#1eb1de36c73478a2479cc661ef5af1c16d86d606"
+  integrity sha512-aBvUmXLQbayM4w3A8TrjwrXs4DZ8iduJnuJLLRGdkWlyakCf1q6uHZJBzXoRA/huAEknG5tcUyQxN3A+In5euQ==
+
+"@tsconfig/node12@^1.0.7":
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node12/-/node12-1.0.7.tgz#677bd9117e8164dc319987dd6ff5fc1ba6fbf18b"
+  integrity sha512-dgasobK/Y0wVMswcipr3k0HpevxFJLijN03A8mYfEPvWvOs14v0ZlYTR4kIgMx8g4+fTyTFv8/jLCIfRqLDJ4A==
+
+"@tsconfig/node14@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node14/-/node14-1.0.0.tgz#5bd046e508b1ee90bc091766758838741fdefd6e"
+  integrity sha512-RKkL8eTdPv6t5EHgFKIVQgsDapugbuOptNd9OOunN/HAkzmmTnZELx1kNCK0rSdUYGmiFMM3rRQMAWiyp023LQ==
+
+"@tsconfig/node16@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node16/-/node16-1.0.1.tgz#a6ca6a9a0ff366af433f42f5f0e124794ff6b8f1"
+  integrity sha512-FTgBI767POY/lKNDNbIzgAX6miIDBs6NTCbdlDb8TrWovHsSvaVIZDlTqym29C6UqhzwcJx4CYr+AlrMywA0cA==
+
 "@types/body-parser@*":
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.19.0.tgz#0685b3c47eb3006ffed117cdd55164b61f80538f"
@@ -868,6 +1226,18 @@
   dependencies:
     "@types/node" "*"
 
+"@types/yargs-parser@*":
+  version "20.2.0"
+  resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-20.2.0.tgz#dd3e6699ba3237f0348cd085e4698780204842f9"
+  integrity sha512-37RSHht+gzzgYeobbG+KWryeAW8J33Nhr69cjTqSYymXVZEN9NbRYWoYlRtDhHKPVT1FyNKwaTPC1NynKZpzRA==
+
+"@types/yargs@^17.0.0":
+  version "17.0.0"
+  resolved "https://registry.yarnpkg.com/@types/yargs/-/yargs-17.0.0.tgz#32f740934eedf0a5cd19470249f317755c91f1ae"
+  integrity sha512-RS7u2X7vdXjVQs160PWY1pjLBw6GJj04utojn0KU8p2rRZR37FSzzK6XOT+KLzT/DVbDYRyezroc0LHIvM5Z2A==
+  dependencies:
+    "@types/yargs-parser" "*"
+
 "@types/zen-observable@^0.8.0":
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/@types/zen-observable/-/zen-observable-0.8.2.tgz#808c9fa7e4517274ed555fa158f2de4b4f468e71"
@@ -911,6 +1281,17 @@ abort-controller@3.0.0:
   dependencies:
     event-target-shim "^5.0.0"
 
+abstract-leveldown@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-7.0.0.tgz#1a8bc3b07f502793804d456a881dc15cedb9bc5d"
+  integrity sha512-mFAi5sB/UjpNYglrQ4irzdmr2mbQtE94OJbrAYuK2yRARjH/OACinN1meOAorfnaLPMQdFymSQMlkiDm9AXXKQ==
+  dependencies:
+    buffer "^6.0.3"
+    is-buffer "^2.0.5"
+    level-concat-iterator "^3.0.0"
+    level-supports "^2.0.0"
+    queue-microtask "^1.2.3"
+
 accepts@^1.3.7, accepts@~1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
@@ -919,6 +1300,11 @@ accepts@^1.3.7, accepts@~1.3.7:
     mime-types "~2.1.24"
     negotiator "0.6.2"
 
+aes-js@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.0.0.tgz#e21df10ad6c2053295bcbb8dab40b09dbea87e4d"
+  integrity sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=
+
 ansi-align@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-3.0.0.tgz#b536b371cf687caaef236c18d3e21fe3797467cb"
@@ -1082,11 +1468,21 @@ base64-js@^1.3.1:
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
   integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
 
+bech32@1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/bech32/-/bech32-1.1.4.tgz#e38c9f37bf179b8eb16ae3a772b40c356d4832e9"
+  integrity sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ==
+
 binary-extensions@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.2.0.tgz#75f502eeaf9ffde42fc98829645be4ea76bd9e2d"
   integrity sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==
 
+bn.js@^4.11.9, bn.js@^4.4.0:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
+  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
+
 body-parser@1.19.0:
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
@@ -1132,6 +1528,11 @@ braces@^3.0.1, braces@~3.0.2:
   dependencies:
     fill-range "^7.0.1"
 
+brorand@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+  integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
+
 browser-stdout@1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.1.tgz#baa559ee14ced73452229bad7326467c61fabd60"
@@ -1168,6 +1569,14 @@ buffer@^5.7.0:
     base64-js "^1.3.1"
     ieee754 "^1.1.13"
 
+buffer@^6.0.3:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-6.0.3.tgz#2ace578459cc8fbe2a70aaa8f52ee63b6a74c6c6"
+  integrity sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.2.1"
+
 bytes@3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
@@ -1217,6 +1626,16 @@ caniuse-lite@^1.0.30001219:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001227.tgz#437fe8b514ac4512d9bdb4ea79f20c400bd0b4d1"
   integrity sha512-HHZT4QpUw4Pf45IE3xxKAPgAN3q2aRai/x5TSHP8lrrKzARoH0IeBviwStcRi5lsFlscTkBbXC7gXyms43151A==
 
+canonical-json@^0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/canonical-json/-/canonical-json-0.0.4.tgz#6579c072c3db5c477ec41dc978fbf2b8f41074a3"
+  integrity sha1-ZXnAcsPbXEd+xB3JePvyuPQQdKM=
+
+catering@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/catering/-/catering-2.0.0.tgz#15ce31bcbffafbf62855ea7677b0e5d23581233d"
+  integrity sha512-aD/WmxhGwUGsVPrj8C80vH7C7GphJilYVSdudoV4u16XdrLF7CVyfBmENsc4tLTVsJJzCRid8GbwJ7mcPLee6Q==
+
 chai@^4.3.4:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/chai/-/chai-4.3.4.tgz#b55e655b31e1eac7099be4c08c21964fce2e6c49"
@@ -1434,7 +1853,7 @@ debug@2.6.9, debug@^2.2.0:
   dependencies:
     ms "2.0.0"
 
-debug@4.3.1, debug@^4.1.0:
+debug@4.3.1, debug@^4.1.0, debug@^4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.1.tgz#f0d229c505e0c6d8c49ac553d1b13dc183f6b2ee"
   integrity sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==
@@ -1482,6 +1901,14 @@ defer-to-connect@^1.0.1:
   resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-1.1.3.tgz#331ae050c08dcf789f8c83a7b81f0ed94f4ac591"
   integrity sha512-0ISdNousHvZT2EiFlZeZAHBUvSxmKswVCEf8hW7KWgG4a8MVEu/3Vb6uWYozkjylyCxe0JBIiRB1jV45S70WVQ==
 
+deferred-leveldown@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-6.0.0.tgz#364dc436682eccbd4a25a5fd5585614770d0d3d6"
+  integrity sha512-F6CLAZzNeURojlH4MCigZr54tNz+xDSi06YXsDr5uLSKeF3JKnvnQWTqd+RETh2hbWTJR3qDzGicQOWS5ZQ1BQ==
+  dependencies:
+    abstract-leveldown "^7.0.0"
+    inherits "^2.0.3"
+
 define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
@@ -1543,6 +1970,19 @@ electron-to-chromium@^1.3.723:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.727.tgz#857e310ca00f0b75da4e1db6ff0e073cc4a91ddf"
   integrity sha512-Mfz4FIB4FSvEwBpDfdipRIrwd6uo8gUDoRDF4QEYb4h4tSuI3ov594OrjU6on042UlFHouIJpClDODGkPcBSbg==
 
+elliptic@6.5.4:
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
+  dependencies:
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
+
 emoji-regex@^7.0.1:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
@@ -1558,6 +1998,16 @@ encodeurl@~1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
+encoding-down@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/encoding-down/-/encoding-down-7.0.0.tgz#63357e0f44b4a85664d9539bd711500da70f0c63"
+  integrity sha512-hor6z2W/ZrVqDYMawQp7VtfEt6BrvYw+mgjWLauUMZsIBjMt1/k5aa+JreLbtjwJdkjrZ39TU+pV5GpHPGRpog==
+  dependencies:
+    abstract-leveldown "^7.0.0"
+    inherits "^2.0.3"
+    level-codec "^10.0.0"
+    level-errors "^3.0.0"
+
 end-of-stream@^1.1.0:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
@@ -1565,6 +2015,13 @@ end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
+errno@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/errno/-/errno-1.0.0.tgz#0ea47d701864accf996412f09e29b4dc2cf3856d"
+  integrity sha512-3zV5mFS1E8/1bPxt/B0xxzI1snsg3uSCIh6Zo1qKg6iMw93hzPANk9oBFzSFBFrwuVoQuE3rLoouAUfwOAj1wQ==
+  dependencies:
+    prr "~1.0.1"
+
 escalade@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
@@ -1595,6 +2052,42 @@ etag@~1.8.1:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
   integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
 
+ethers@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-5.2.0.tgz#13452e35947ab5d77053286d1f7161ee666c85ba"
+  integrity sha512-HqFGU2Qab0mAg3y1eHKVMXS4i1gTObMY0/4+x4LiO72NHhJL3Z795gnqyivmwG1J8e5NLSlRSfyIR7TL0Hw3ig==
+  dependencies:
+    "@ethersproject/abi" "5.2.0"
+    "@ethersproject/abstract-provider" "5.2.0"
+    "@ethersproject/abstract-signer" "5.2.0"
+    "@ethersproject/address" "5.2.0"
+    "@ethersproject/base64" "5.2.0"
+    "@ethersproject/basex" "5.2.0"
+    "@ethersproject/bignumber" "5.2.0"
+    "@ethersproject/bytes" "5.2.0"
+    "@ethersproject/constants" "5.2.0"
+    "@ethersproject/contracts" "5.2.0"
+    "@ethersproject/hash" "5.2.0"
+    "@ethersproject/hdnode" "5.2.0"
+    "@ethersproject/json-wallets" "5.2.0"
+    "@ethersproject/keccak256" "5.2.0"
+    "@ethersproject/logger" "5.2.0"
+    "@ethersproject/networks" "5.2.0"
+    "@ethersproject/pbkdf2" "5.2.0"
+    "@ethersproject/properties" "5.2.0"
+    "@ethersproject/providers" "5.2.0"
+    "@ethersproject/random" "5.2.0"
+    "@ethersproject/rlp" "5.2.0"
+    "@ethersproject/sha2" "5.2.0"
+    "@ethersproject/signing-key" "5.2.0"
+    "@ethersproject/solidity" "5.2.0"
+    "@ethersproject/strings" "5.2.0"
+    "@ethersproject/transactions" "5.2.0"
+    "@ethersproject/units" "5.2.0"
+    "@ethersproject/wallet" "5.2.0"
+    "@ethersproject/web" "5.2.0"
+    "@ethersproject/wordlists" "5.2.0"
+
 event-target-shim@^5.0.0:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/event-target-shim/-/event-target-shim-5.0.1.tgz#5d4d3ebdf9583d63a5333ce2deb7480ab2b05789"
@@ -1774,6 +2267,15 @@ fresh@0.5.2:
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
   integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
 
+fs-extra@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-10.0.0.tgz#9ff61b655dde53fb34a82df84bb214ce802e17c1"
+  integrity sha512-C5owb14u9eJwizKGdchcDUQeFtlSHHthBk8pbX9Vc1PFZrLombudjDnNns88aYslCyF6IY5SUw3Roz6xShcEIQ==
+  dependencies:
+    graceful-fs "^4.2.0"
+    jsonfile "^6.0.1"
+    universalify "^2.0.0"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -1899,7 +2401,7 @@ got@^9.6.0:
     to-readable-stream "^1.0.0"
     url-parse-lax "^3.0.0"
 
-graceful-fs@^4.1.2:
+graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.2.0:
   version "4.2.6"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.6.tgz#ff040b2b0853b23c3d31027523706f1885d76bee"
   integrity sha512-nTnJ528pbqxYanhpDYsi4Rd8MAeaBA67+RZ10CM1m3bTAVFEDcd5AuA4a6W5YkGZ1iNXHzZz8T6TBKLeBuNriQ==
@@ -1998,11 +2500,36 @@ has@^1.0.3:
   dependencies:
     function-bind "^1.1.1"
 
+hash.js@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.3.tgz#340dedbe6290187151c1ea1d777a3448935df846"
+  integrity sha512-/UETyP0W22QILqS+6HowevwhEFJ3MBJnwTf75Qob9Wz9t0DPuisL8kW8YZMK62dHAKE1c1p+gY1TtOLY+USEHA==
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.0"
+
+hash.js@^1.0.0, hash.js@^1.0.3:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
+  integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.1"
+
 he@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
+hmac-drbg@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
+  integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
+  dependencies:
+    hash.js "^1.0.3"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.1"
+
 hoist-non-react-statics@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz#ece0acaf71d62c2969c2ec59feff42a4b1a85b45"
@@ -2055,7 +2582,7 @@ iconv-lite@0.4.24:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-ieee754@^1.1.13:
+ieee754@^1.1.13, ieee754@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
   integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
@@ -2100,7 +2627,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.4:
+inherits@2, inherits@2.0.4, inherits@^2.0.3, inherits@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -2132,6 +2659,11 @@ is-binary-path@~2.1.0:
   dependencies:
     binary-extensions "^2.0.0"
 
+is-buffer@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.5.tgz#ebc252e400d22ff8d77fa09888821a24a658c191"
+  integrity sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ==
+
 is-ci@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-2.0.0.tgz#6bc6334181810e04b5c22b3d589fdca55026404c"
@@ -2224,6 +2756,11 @@ iterall@^1.2.1:
   resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.3.0.tgz#afcb08492e2915cbd8a0884eb93a8c94d0d72fea"
   integrity sha512-QZ9qOMdF+QLHxy1QIpUHUU1D5pS2CG2P69LF6L6CPjPYA/XMOmKV3PZpawHoAjHNyB0swdVTRxdYT4tbBbxqwg==
 
+js-sha3@0.5.7:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
+  integrity sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=
+
 "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -2253,6 +2790,15 @@ json5@^2.1.2:
   dependencies:
     minimist "^1.2.5"
 
+jsonfile@^6.0.1:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-6.1.0.tgz#bc55b2634793c679ec6403094eb13698a6ec0aae"
+  integrity sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==
+  dependencies:
+    universalify "^2.0.0"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 keyv@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/keyv/-/keyv-3.1.0.tgz#ecc228486f69991e49e9476485a5be1e8fc5c4d9"
@@ -2267,6 +2813,91 @@ latest-version@^5.0.0:
   dependencies:
     package-json "^6.3.0"
 
+left-pad@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
+  integrity sha512-XI5MPzVNApjAyhQzphX8BkmKsKUxD4LdyK24iZeQGinBN9yTQT3bFlCBy/aVx2HrNcqQGsdot8ghrjyrvMCoEA==
+
+level-codec@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-10.0.0.tgz#f9e892770532c6cdcc83529546730791b0c62c12"
+  integrity sha512-QW3VteVNAp6c/LuV6nDjg7XDXx9XHK4abmQarxZmlRSDyXYk20UdaJTSX6yzVvQ4i0JyWSB7jert0DsyD/kk6g==
+  dependencies:
+    buffer "^6.0.3"
+
+level-concat-iterator@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/level-concat-iterator/-/level-concat-iterator-3.0.0.tgz#416ddaf0c2ed834f006aa3124ee68906eb4769d4"
+  integrity sha512-UHGiIdj+uiFQorOrURRvJF3Ei0uHc89ciM/aRi0qsWDV2f0HXypeXUPhJKL6DsONgSR76Pc0AI4sKYEYYRn2Dg==
+
+level-errors@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-3.0.0.tgz#5719f2ad9061d9f2bd7cf22e4a7def893e6d2e60"
+  integrity sha512-MZXOQT061uEjxxxq4C/Jf+M3RdEKK9e3NbxlN7yOp1LDYoLVAhE2i1j0b7XqXfl8FjFtUL7phwr3Sn0wXXoMqA==
+  dependencies:
+    errno "^1.0.0"
+
+level-iterator-stream@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-5.0.0.tgz#85b3438e1b4c54ce5aa8c0eb973cfb628117df9e"
+  integrity sha512-wnb1+o+CVFUDdiSMR/ZymE2prPs3cjVLlXuDeSq9Zb8o032XrabGEXcTCsBxprAtseO3qvFeGzh6406z9sOTRA==
+  dependencies:
+    inherits "^2.0.4"
+    readable-stream "^3.4.0"
+
+level-js@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/level-js/-/level-js-6.0.0.tgz#1faff0eb92ca34e4565d1f7bca7026989855625b"
+  integrity sha512-7dp7JuaoQoqKW4ZGvrV1RB5f51/ktLdEo9fSDsh3Ofmg7sKCMu3X0CIngbY/IUz/YyskhN7LRvEVIkZHCY3LKQ==
+  dependencies:
+    abstract-leveldown "^7.0.0"
+    buffer "^6.0.3"
+    inherits "^2.0.3"
+    ltgt "^2.1.2"
+
+level-packager@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/level-packager/-/level-packager-6.0.0.tgz#1881e062d2dc694ce88101b3212d37ef90aa7a99"
+  integrity sha512-me656XRWfOVqs9wc+mWckZ6Rb1GuP33ndN4ZntDXwXFspX8cGA++Y+YqJsdE/mjTiipTuxXf047Z4rV62nOVuw==
+  dependencies:
+    encoding-down "^7.0.0"
+    levelup "^5.0.0"
+
+level-supports@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/level-supports/-/level-supports-2.0.0.tgz#b0b9f63f30c4175fb2612217144f03f3b77580d9"
+  integrity sha512-8UJgzo1pvWP1wq80ZlkL19fPeK7tlyy0sBY90+2pj0x/kvzHCoLDWyuFJJMrsTn33oc7hbMkS3SkjCxMRPHWaw==
+
+level@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/level/-/level-7.0.0.tgz#10fa2d5a0b3b21a99d33e9307c92c1270243d1ce"
+  integrity sha512-QrBnjcWywalh86ms9hfizvxT5aBHrgWEu6rLChS9tFE2wwFU3aI1r0v+2SSZIyeUr4O4PFo8+sCc1kebahdhlw==
+  dependencies:
+    level-js "^6.0.0"
+    level-packager "^6.0.0"
+    leveldown "^6.0.0"
+
+leveldown@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/leveldown/-/leveldown-6.0.0.tgz#3ec7f00463c45f8f7c8e68248d10ab299059c7ca"
+  integrity sha512-NEsyqpfdDhpFO49Zm9htNSsWixMa9Q9sUXgrBTaQNPyPo2Kx1wRctgIXMzc7tduXJqNff8QAwulv2eZDboghxQ==
+  dependencies:
+    abstract-leveldown "^7.0.0"
+    napi-macros "~2.0.0"
+    node-gyp-build "~4.2.1"
+
+levelup@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/levelup/-/levelup-5.0.0.tgz#7cbbfd2ffc7495b3ebd75f81f5b328eb37866c3a"
+  integrity sha512-P4IKS4J17b6dzm8iI8Irv5gvOlrqJv04Lrpq1rAgZvjR2IsVSjbXQQo1LoK/PJuouxepLE8CTIiKGmHQYZnneA==
+  dependencies:
+    catering "^2.0.0"
+    deferred-leveldown "^6.0.0"
+    level-errors "^3.0.0"
+    level-iterator-stream "^5.0.0"
+    level-supports "^2.0.0"
+    queue-microtask "^1.2.3"
+
 locate-path@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
@@ -2317,6 +2948,11 @@ lowercase-keys@^2.0.0:
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
   integrity sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA==
 
+ltgt@^2.1.2:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ltgt/-/ltgt-2.2.1.tgz#f35ca91c493f7b73da0e07495304f17b31f87ee5"
+  integrity sha1-81ypHEk/e3PaDgdJUwTxezH4fuU=
+
 make-dir@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-3.1.0.tgz#415e967046b3a7f1d185277d84aa58203726a13f"
@@ -2384,6 +3020,16 @@ mimic-response@^1.0.0, mimic-response@^1.0.1:
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
   integrity sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==
 
+minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+  integrity sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==
+
+minimalistic-crypto-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
+  integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
+
 minimatch@3.0.4, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
@@ -2452,6 +3098,11 @@ nanoid@3.1.20:
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.20.tgz#badc263c6b1dcf14b71efaa85f6ab4c1d6cfc788"
   integrity sha512-a1cQNyczgKbLX9jwbS/+d7W8fX/RfgYR7lVWwWOGIPNgK2m0MWvrGF6/m4kk6U3QcFMnZf3RIhL0v2Jgh/0Uxw==
 
+napi-macros@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/napi-macros/-/napi-macros-2.0.0.tgz#2b6bae421e7b96eb687aa6c77a7858640670001b"
+  integrity sha512-A0xLykHtARfueITVDernsAWdtIMbOJgKgcluwENp3AlsKN/PloyO10HtmoqnFAQAcxPkgZN7wdfPfEd0zNGxbg==
+
 negotiator@0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
@@ -2470,6 +3121,11 @@ node-fetch@2.6.1, node-fetch@^2.6.1:
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
   integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
 
+node-gyp-build@~4.2.1:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.2.3.tgz#ce6277f853835f718829efb47db20f3e4d9c4739"
+  integrity sha512-MN6ZpzmfNCRM+3t57PTJHgHyw/h4OWnZ6mR8P5j/uZtqQr46RRuDE/P+g3n0YR/AiYXeWixZZzaip77gdICfRg==
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -2687,6 +3343,11 @@ proxy-addr@~2.0.5:
     forwarded "~0.1.2"
     ipaddr.js "1.9.1"
 
+prr@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
+  integrity sha1-0/wRS6BplaRexok/SEzrHXj19HY=
+
 pstree.remy@^1.1.7:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/pstree.remy/-/pstree.remy-1.1.8.tgz#c242224f4a67c21f686839bbdb4ac282b8373d3a"
@@ -2712,7 +3373,7 @@ qs@6.7.0:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
-queue-microtask@^1.2.2:
+queue-microtask@^1.2.2, queue-microtask@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/queue-microtask/-/queue-microtask-1.2.3.tgz#4929228bbc724dfac43e0efb058caf7b6cfb6243"
   integrity sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==
@@ -2764,6 +3425,15 @@ react-is@^16.7.0, react-is@^16.8.1:
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
+readable-stream@^3.4.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
+  integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 readdirp@~3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.5.0.tgz#9ba74c019b15d365278d2e91bb8c48d7b4d42c9e"
@@ -2864,7 +3534,7 @@ safe-buffer@5.1.2, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@^5.1.0:
+safe-buffer@^5.1.0, safe-buffer@~5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
@@ -2874,6 +3544,11 @@ safe-buffer@^5.1.0:
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
+scrypt-js@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-3.0.1.tgz#d314a57c2aef69d1ad98a138a21fe9eafa9ee312"
+  integrity sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==
+
 semver-diff@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-3.1.1.tgz#05f77ce59f325e00e2706afd67bb506ddb1ca32b"
@@ -3011,6 +3686,13 @@ string-width@^4.0.0, string-width@^4.1.0, string-width@^4.2.0:
     is-fullwidth-code-point "^3.0.0"
     strip-ansi "^6.0.0"
 
+string_decoder@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
+  integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
+  dependencies:
+    safe-buffer "~5.2.0"
+
 strip-ansi@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
@@ -3119,6 +3801,11 @@ toidentifier@1.0.0:
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
   integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
 
+toml@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/toml/-/toml-3.0.0.tgz#342160f1af1904ec9d204d03a5d61222d762c5ee"
+  integrity sha512-y/mWCZinnvxjTKYhJ+pYxwD0mRLVvOtdS2Awbgxln6iEnt4rk0yBxeSBHkGJcPucRiG0e55mwWp+g/05rsrd6w==
+
 touch@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/touch/-/touch-3.1.0.tgz#fe365f5f75ec9ed4e56825e0bb76d24ab74af83b"
@@ -3133,6 +3820,22 @@ ts-invariant@^0.7.0:
   dependencies:
     tslib "^2.1.0"
 
+ts-node@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-10.0.0.tgz#05f10b9a716b0b624129ad44f0ea05dac84ba3be"
+  integrity sha512-ROWeOIUvfFbPZkoDis0L/55Fk+6gFQNZwwKPLinacRl6tsxstTF1DbAcLKkovwnpKMVvOMHP1TIbnwXwtLg1gg==
+  dependencies:
+    "@tsconfig/node10" "^1.0.7"
+    "@tsconfig/node12" "^1.0.7"
+    "@tsconfig/node14" "^1.0.0"
+    "@tsconfig/node16" "^1.0.1"
+    arg "^4.1.0"
+    create-require "^1.1.0"
+    diff "^4.0.1"
+    make-error "^1.1.1"
+    source-map-support "^0.5.17"
+    yn "3.1.1"
+
 ts-node@^9.1.1:
   version "9.1.1"
   resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-9.1.1.tgz#51a9a450a3e959401bda5f004a72d54b936d376d"
@@ -3214,6 +3917,11 @@ unique-string@^2.0.0:
   dependencies:
     crypto-random-string "^2.0.0"
 
+universalify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-2.0.0.tgz#75a4984efedc4b08975c5aeb73f530d02df25717"
+  integrity sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==
+
 unixify@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unixify/-/unixify-1.0.0.tgz#3a641c8c2ffbce4da683a5c70f03a462940c2090"
@@ -3252,6 +3960,11 @@ url-parse-lax@^3.0.0:
   dependencies:
     prepend-http "^2.0.0"
 
+util-deprecate@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+
 utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
@@ -3336,6 +4049,11 @@ write-file-atomic@^3.0.0:
     signal-exit "^3.0.2"
     typedarray-to-buffer "^3.1.5"
 
+ws@7.2.3:
+  version "7.2.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.2.3.tgz#a5411e1fb04d5ed0efee76d26d5c46d830c39b46"
+  integrity sha512-HTDl9G9hbkNDk98naoR/cHDws7+EyYMOdL1BmjsZXRUjf7d+MficC4B7HLUPlSiho0vg+CWKrGIt/VJBd1xunQ==
+
 ws@7.4.5:
   version "7.4.5"
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.5.tgz#a484dd851e9beb6fdb420027e3885e8ce48986c1"
@@ -3421,6 +4139,19 @@ yargs@^15.3.1:
     y18n "^4.0.0"
     yargs-parser "^18.1.2"
 
+yargs@^17.0.1:
+  version "17.0.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-17.0.1.tgz#6a1ced4ed5ee0b388010ba9fd67af83b9362e0bb"
+  integrity sha512-xBBulfCc8Y6gLFcrPvtqKz9hz8SO0l1Ni8GgDekvBX2ro0HRQImDGnikfc33cgzcYUSncapnNcZDjVFIH3f6KQ==
+  dependencies:
+    cliui "^7.0.2"
+    escalade "^3.1.1"
+    get-caller-file "^2.0.5"
+    require-directory "^2.1.1"
+    string-width "^4.2.0"
+    y18n "^5.0.5"
+    yargs-parser "^20.2.2"
+
 yn@3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"