remove unnecessary index.ts and old APIs

Author: aggre

package.json

@@ -32,30 +32,24 @@
 	"author": "",
 	"license": "MPL-2.0",
 	"dependencies": {
-		"bent": "7.3.12",
-		"ethereum-waffle": "3.4.4",
-		"ramda": "^0.28.0",
-		"axios": "1.2.2",
-		"sinon": "15.0.1",
-		"url-join": "4.0.1"
+		"ethers": "^5.7.2",
+		"ramda": "^0.28.0"
 	},
 	"devDependencies": {
 		"@ava/typescript": "3.0.1",
 		"@rollup/plugin-multi-entry": "4.1.0",
 		"@rollup/plugin-typescript": "8.5.0",
-		"@types/bent": "7.3.3",
 		"@types/dotenv": "8.2.0",
 		"@types/node": "18.11.18",
 		"@types/ramda": "0.28.20",
 		"@typescript-eslint/eslint-plugin": "5.48.0",
 		"@typescript-eslint/parser": "5.48.0",
-		"@types/url-join": "4.0.1",
-		"@types/sinon": "10.0.13",
 		"ava": "4.3.3",
 		"dotenv": "16.0.3",
 		"eslint": "7.32.0",
 		"eslint-config-prettier": "8.6.0",
 		"eslint-plugin-functional": "3.7.2",
+		"ethereum-waffle": "3.4.4",
 		"husky": "7.0.4",
 		"npm-run-all": "4.1.5",
 		"prettier": "2.8.1",