Fix weird file naming from toSnakeCase in abi-gen

Author: justinkchen

package.json

@@ -23,7 +23,8 @@
     "clean": "rm -rf build",
     "test": "truffle compile --all && yarn run generate-typings && yarn run transpile && truffle test transpiled/test/*.js",
     "transpile": "tsc",
-    "generate-typings": "abi-gen --abis './build/contracts/*.json' --out './types/generated' --template './types/contract_templates/contract.mustache' --partials './types/contract_templates/partials/*.mustache'",
+    "generate-typings": "abi-gen --abis './build/contracts/*.json' --out './types/generated' --template './types/contract_templates/contract.mustache' --partials './types/contract_templates/partials/*.mustache' && yarn run rename-generated-abi",
+    "rename-generated-abi": "mv types/generated/detailed_e_r_c20.ts types/generated/detailed_erc20.ts && mv types/generated/e_r_c20_basic.ts types/generated/erc20_basic.ts",
     "lint-ts": "tslint --fix test/*.ts",
     "lint-sol": "solhint contracts/*.sol",
     "lint": "yarn run lint-sol && yarn run lint-ts",