Merge pull request #51 from provable-things/add-optional-gas-prices

feat(CLI): add optional gas prices

cli.js

@@ -41,6 +41,7 @@ const VERSION_ARG = '--version'
 const NETWORK_ARG = '<network>'
 const RAW_TX_ARG = '<rawSignedTx>'
 const SIGN_MSG_CMD = 'signMessage'
+const GAS_PRICE_FLAG = '--gasPrice'
 const RECIPIENT_ARG = '<recipient>'
 const TOKEN_NAME_ARG = '<tokenName>'
 const SPENDER_ARG = '<spenderAddress>'
@@ -101,27 +102,27 @@ const USAGE_INFO = `
   ${TOOL_NAME} ${SHOW_SUGGESTED_FEES_CMD}
   ${TOOL_NAME} ${SHOW_WALLET_DETAILS_CMD}
   ${TOOL_NAME} ${SIGN_MSG_CMD} ${MSG_ARG}
-  ${TOOL_NAME} ${DEPLOY_WETH_CMD}
   ${TOOL_NAME} ${CHECK_ERC1820_EXISTS_CMD}
   ${TOOL_NAME} ${SHOW_EXISTING_CONTRACTS_CMD}
   ${TOOL_NAME} ${GET_ACCOUNT_NONCE_CMD} ${ETH_ADDRESS_ARG}
-  ${TOOL_NAME} ${SEND_ETH_CMD} ${ETH_ADDRESS_ARG} ${AMOUNT_ARG}
   ${TOOL_NAME} ${PUSH_RAW_TX_CMD} ${RAW_TX_ARG}
   ${TOOL_NAME} ${GET_TRANSACTION_COUNT_CMD} ${ETH_ADDRESS_ARG}
-  ${TOOL_NAME} ${DEPLOY_PTOKEN_CMD} [${WITH_GSN_ARG}]
   ${TOOL_NAME} ${FLATTEN_CONTRACT_CMD} [${WITH_GSN_ARG}]
   ${TOOL_NAME} ${GET_ORIGIN_CHAIN_ID_CMD} ${DEPLOYED_ADDRESS_ARG}
+  ${TOOL_NAME} ${DEPLOY_WETH_CMD} [${GAS_PRICE_FLAG}=<wei>]
   ${TOOL_NAME} ${GET_BALANCE_CMD} ${DEPLOYED_ADDRESS_ARG} ${ETH_ADDRESS_ARG}
   ${TOOL_NAME} ${HAS_MINTER_ROLE_CMD} ${DEPLOYED_ADDRESS_ARG} ${ETH_ADDRESS_ARG}
-  ${TOOL_NAME} ${GRANT_ROLE_CMD} ${DEPLOYED_ADDRESS_ARG} ${ETH_ADDRESS_ARG}
-  ${TOOL_NAME} ${REVOKE_ROLE_CMD} ${DEPLOYED_ADDRESS_ARG} ${ETH_ADDRESS_ARG}
-  ${TOOL_NAME} ${APPROVE_CMD} ${DEPLOYED_ADDRESS_ARG} ${SPENDER_ARG} ${AMOUNT_ARG}
-  ${TOOL_NAME} ${CHANGE_ORIGIN_CHAIN_ID_CMD} ${DEPLOYED_ADDRESS_ARG} ${ORIGIN_CHAIN_ID_ARG}
-  ${TOOL_NAME} ${TRANSFER_TOKEN_CMD} ${DEPLOYED_ADDRESS_ARG} ${RECIPIENT_ARG} ${AMOUNT_ARG}
+  ${TOOL_NAME} ${SEND_ETH_CMD} ${ETH_ADDRESS_ARG} ${AMOUNT_ARG} [${GAS_PRICE_FLAG}=<wei>]
+  ${TOOL_NAME} ${DEPLOY_PTOKEN_CMD} [${WITH_GSN_ARG}] [${GAS_PRICE_FLAG}=<wei>]
   ${TOOL_NAME} ${VERIFY_CONTRACT_CMD} ${NETWORK_ARG} ${DEPLOYED_ADDRESS_ARG} [${WITH_GSN_ARG}]
-  ${TOOL_NAME} ${SET_ADMIN_OPERATOR_CMD} ${DEPLOYED_ADDRESS_ARG} ${ETH_ADDRESS_ARG}
+  ${TOOL_NAME} ${SET_ADMIN_OPERATOR_CMD} ${DEPLOYED_ADDRESS_ARG} ${ETH_ADDRESS_ARG} [${GAS_PRICE_FLAG}=<wei>]
+  ${TOOL_NAME} ${GRANT_ROLE_CMD} ${DEPLOYED_ADDRESS_ARG} ${ETH_ADDRESS_ARG} [${GAS_PRICE_FLAG}=<wei>]
+  ${TOOL_NAME} ${REVOKE_ROLE_CMD} ${DEPLOYED_ADDRESS_ARG} ${ETH_ADDRESS_ARG} [${GAS_PRICE_FLAG}=<wei>]
+  ${TOOL_NAME} ${APPROVE_CMD} ${DEPLOYED_ADDRESS_ARG} ${SPENDER_ARG} ${AMOUNT_ARG} [${GAS_PRICE_FLAG}=<wei>]
   ${TOOL_NAME} ${ENCODE_INIT_ARGS_CMD} ${TOKEN_NAME_ARG} ${TOKEN_SYMBOL_ARG} ${TOKEN_ADMIN_ADDRESS_ARG} ${ORIGIN_CHAIN_ID_ARG}
-  ${TOOL_NAME} ${PEG_OUT_CMD} ${DEPLOYED_ADDRESS_ARG} ${AMOUNT_ARG} ${RECIPIENT_ARG} ${DESTINATION_CHAIN_ID_ARG} [${USER_DATA_ARG}]
+  ${TOOL_NAME} ${TRANSFER_TOKEN_CMD} ${DEPLOYED_ADDRESS_ARG} ${RECIPIENT_ARG} ${AMOUNT_ARG} [${GAS_PRICE_FLAG}=<wei>]
+  ${TOOL_NAME} ${CHANGE_ORIGIN_CHAIN_ID_CMD} ${DEPLOYED_ADDRESS_ARG} ${ORIGIN_CHAIN_ID_ARG} [${GAS_PRICE_FLAG}=<wei>]
+  ${TOOL_NAME} ${PEG_OUT_CMD} ${DEPLOYED_ADDRESS_ARG} ${AMOUNT_ARG} ${RECIPIENT_ARG} ${DESTINATION_CHAIN_ID_ARG} [${USER_DATA_ARG}] [${GAS_PRICE_FLAG}=<wei>]
 
 ❍ Commands:
   ${DEPLOY_PTOKEN_CMD}        ❍ Deploy the logic contract.
@@ -164,6 +165,7 @@ const USAGE_INFO = `
   ${DESTINATION_CHAIN_ID_ARG}  ❍ A destination chain ID as a 'bytes4' solidity type.
   ${SPENDER_ARG}      ❍ An ETH address that may spend tokens on your behalf.
   ${SIGN_MSG_CMD}           ❍ Sign the passed in ${MSG_ARG} using the gpg encrypted key.
+  ${GAS_PRICE_FLAG}=<wei>      ❍ The gas price to use. Uses ethersjs suggested fees if omitted.
   ${WITH_GSN_ARG}      ❍ Use the version of the pToken with GasStationNetwork logic [default: true].
   ${NETWORK_ARG}             ❍ Network the pToken is deployed on. It must exist in the 'hardhat.config.json'.
 `
@@ -177,25 +179,29 @@ const main = _ => {
   } else if (CLI_ARGS[SHOW_EXISTING_CONTRACTS_CMD]) {
     return showExistingPTokenContractAddresses()
   } else if (CLI_ARGS[DEPLOY_PTOKEN_CMD]) {
-    return deployContract(convertStringToBool(CLI_ARGS[WITH_GSN_OPTIONAL_ARG]))
+    return deployContract(convertStringToBool(CLI_ARGS[WITH_GSN_OPTIONAL_ARG], CLI_ARGS[GAS_PRICE_FLAG]))
   } else if (CLI_ARGS[FLATTEN_CONTRACT_CMD]) {
     return flattenContract(convertStringToBool(CLI_ARGS[WITH_GSN_OPTIONAL_ARG]))
   } else if (CLI_ARGS[GET_BALANCE_CMD]) {
     return showBalanceOf(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ETH_ADDRESS_ARG])
   } else if (CLI_ARGS[GRANT_ROLE_CMD]) {
-    return grantMinterRole(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ETH_ADDRESS_ARG])
+    return grantMinterRole(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ETH_ADDRESS_ARG], CLI_ARGS[GAS_PRICE_FLAG])
   } else if (CLI_ARGS[REVOKE_ROLE_CMD]) {
-    return revokeMinterRole(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ETH_ADDRESS_ARG])
+    return revokeMinterRole(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ETH_ADDRESS_ARG], CLI_ARGS[GAS_PRICE_FLAG])
   } else if (CLI_ARGS[GET_TRANSACTION_COUNT_CMD]) {
     return getTransactionCount(CLI_ARGS[ETH_ADDRESS_ARG])
   } else if (CLI_ARGS[SEND_ETH_CMD]) {
-    return sendEth(CLI_ARGS[ETH_ADDRESS_ARG], CLI_ARGS[AMOUNT_ARG])
+    return sendEth(CLI_ARGS[ETH_ADDRESS_ARG], CLI_ARGS[AMOUNT_ARG], CLI_ARGS[GAS_PRICE_FLAG])
   } else if (CLI_ARGS[DEPLOY_WETH_CMD]) {
-    return deployWeth()
+    return deployWeth(CLI_ARGS[GAS_PRICE_FLAG])
   } else if (CLI_ARGS[GET_ORIGIN_CHAIN_ID_CMD]) {
     return getOriginChainId(CLI_ARGS[DEPLOYED_ADDRESS_ARG])
   } else if (CLI_ARGS[CHANGE_ORIGIN_CHAIN_ID_CMD]) {
-    return changeOriginChainId(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ORIGIN_CHAIN_ID_ARG])
+    return changeOriginChainId(
+      CLI_ARGS[DEPLOYED_ADDRESS_ARG],
+      CLI_ARGS[ORIGIN_CHAIN_ID_ARG],
+      CLI_ARGS[GAS_PRICE_FLAG],
+    )
   } else if (CLI_ARGS[HAS_MINTER_ROLE_CMD]) {
     return hasMinterRole(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ETH_ADDRESS_ARG])
   } else if (CLI_ARGS[CHECK_ERC1820_EXISTS_CMD]) {
@@ -207,7 +213,7 @@ const main = _ => {
   } else if (CLI_ARGS[SIGN_MSG_CMD]) {
     return signMessage(CLI_ARGS[MSG_ARG])
   } else if (CLI_ARGS[SET_ADMIN_OPERATOR_CMD]) {
-    return setAdminOperator(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ETH_ADDRESS_ARG])
+    return setAdminOperator(CLI_ARGS[DEPLOYED_ADDRESS_ARG], CLI_ARGS[ETH_ADDRESS_ARG], CLI_ARGS[GAS_PRICE_FLAG])
   } else if (CLI_ARGS[ENCODE_INIT_ARGS_CMD]) {
     return showEncodedInitArgs(
       CLI_ARGS[TOKEN_NAME_ARG],
@@ -220,12 +226,14 @@ const main = _ => {
       CLI_ARGS[DEPLOYED_ADDRESS_ARG],
       CLI_ARGS[RECIPIENT_ARG],
       CLI_ARGS[AMOUNT_ARG],
+      CLI_ARGS[GAS_PRICE_FLAG],
     )
   } else if (CLI_ARGS[APPROVE_CMD]) {
     return approve(
       CLI_ARGS[DEPLOYED_ADDRESS_ARG],
       CLI_ARGS[SPENDER_ARG],
       CLI_ARGS[AMOUNT_ARG],
+      CLI_ARGS[GAS_PRICE_FLAG],
     )
   } else if (CLI_ARGS[PEG_OUT_CMD]) {
     return pegOut(
@@ -234,6 +242,7 @@ const main = _ => {
       CLI_ARGS[RECIPIENT_ARG],
       CLI_ARGS[DESTINATION_CHAIN_ID_ARG],
       CLI_ARGS[USER_DATA_OPTIONAL_ARG],
+      CLI_ARGS[GAS_PRICE_FLAG],
     )
   } else if (CLI_ARGS[VERIFY_CONTRACT_CMD]) {
     return verifyContract(

lib/approve.js

@@ -2,11 +2,16 @@ const { getPTokenContract } = require('./get-ptoken-contract')
 const { callFxnInContractAndAwaitReceipt } = require('./contract-utils')
 const { checkTokenBalanceIsSufficient } = require('./check-token-balance')
 
-const approve = (_deployedContractAddress, _spender, _amount) =>
+const approve = (_deployedContractAddress, _spender, _amount, _maybeGasPrice = null) =>
   getPTokenContract(_deployedContractAddress)
     .then(checkTokenBalanceIsSufficient(_amount))
     .then(_contract =>
-      callFxnInContractAndAwaitReceipt('approve(address,uint256)', [ _spender, _amount ], _contract)
+      callFxnInContractAndAwaitReceipt(
+        'approve(address,uint256)',
+        [ _spender, _amount ],
+        _maybeGasPrice,
+        _contract,
+      )
     )
     .then(_receipt => console.info('✔ Success! Transaction receipt:\n', _receipt))
 

lib/change-minter-role.js

@@ -1,20 +1,27 @@
 const { getPTokenContract } = require('./get-ptoken-contract')
 const { callFxnInContractAndAwaitReceipt } = require('./contract-utils')
 
-const changeMinterRole = (_deployedContractAddress, _address, grantRole) => {
+const changeMinterRole = (_deployedContractAddress, _address, grantRole, _maybeGasPrice = null) => {
   console.info(
     `✔ ${grantRole ? 'Granting' : 'Revoking'} minter role ${grantRole ? 'to' : 'from'} '${_address}'...`
   )
   return getPTokenContract(_deployedContractAddress)
-    .then(callFxnInContractAndAwaitReceipt(grantRole ? 'grantMinterRole' : 'revokeMinterRole', [ _address ]))
+    .then(_contract =>
+      callFxnInContractAndAwaitReceipt(
+        grantRole ? 'grantMinterRole' : 'revokeMinterRole',
+        [ _address ],
+        _maybeGasPrice,
+        _contract,
+      )
+    )
     .then(_receipt => console.info('✔ Success! Transaction receipt:\n', _receipt))
 }
 
-const grantMinterRole = (_deployedContractAddress, _address) =>
-  changeMinterRole(_deployedContractAddress, _address, true)
+const grantMinterRole = (_deployedContractAddress, _address, _maybeGasPrice = null) =>
+  changeMinterRole(_deployedContractAddress, _address, true, _maybeGasPrice)
 
-const revokeMinterRole = (_deployedContractAddress, _address) =>
-  changeMinterRole(_deployedContractAddress, _address, false)
+const revokeMinterRole = (_deployedContractAddress, _address, _maybeGasPrice = null) =>
+  changeMinterRole(_deployedContractAddress, _address, false, _maybeGasPrice)
 
 module.exports = {
   revokeMinterRole,

lib/contract-utils.js

@@ -1,11 +1,17 @@
 const { curry } = require('ramda')
 
-const callFxnInContract = (_fxnName, _fxnArgs, _contract) =>
-  _contract[_fxnName](..._fxnArgs)
+const callFxnInContract = (_fxnName, _fxnArgs, _contract, _maybeGasPrice = null) =>
+  _contract[_fxnName](..._fxnArgs, _maybeGasPrice === null ? {} : { gasPrice: _maybeGasPrice })
 
-const callFxnInContractAndAwaitReceipt = curry((_fxnName, _fxnArgs, _contract) =>
-  console.info(`✔ Calling '${_fxnName}' function in contract & awaiting mining for the receipt...`) ||
-  callFxnInContract(_fxnName, _fxnArgs, _contract).then(_tx => _tx.wait())
+const callFxnInContractAndAwaitReceipt = curry((_fxnName, _fxnArgs, _maybeGasPrice, _contract) =>
+  console.info(
+    `✔ Calling '${
+      _fxnName
+    }' function in contract${
+      _maybeGasPrice && ` with gas price of ${_maybeGasPrice} gwei`
+    } & awaiting mining for the receipt...`
+  ) ||
+  callFxnInContract(_fxnName, _fxnArgs, _contract, _maybeGasPrice).then(_tx => _tx.wait())
 )
 
 const callReadOnlyFxnInContract = curry((_fxnName, _fxnArgs, _contract) =>

lib/deploy-contract.js

@@ -8,15 +8,15 @@ const { deployEthersContract } = require('./deploy-ethers-contract')
 const { getEnvironmentVariable } = require('./get-environment-variable')
 const { getContractFactoryMaybeWithGSN } = require('./get-contract-factory')
 
-const deployContract = _withGSN =>
+const deployContract = (_withGSN, _maybeGasPrice = null) =>
   console.info('✔ Deploying logic contract...') ||
   getEnvConfiguration()
     .then(() => getEnvironmentVariable(ENDPOINT_ENV_VAR_KEY))
     .then(getProvider)
     .then(checkEndpoint)
     .then(getEthersWallet)
     .then(getContractFactoryMaybeWithGSN(_withGSN))
-    .then(deployEthersContract)
+    .then(_contractFactory => deployEthersContract(_contractFactory, [], _maybeGasPrice))
     .then(_contract => _contract.deployTransaction.wait())
     .then(_receipt => console.info(`✔ Tx Mined! Contract address: ${prop('contractAddress', _receipt)}`))
 

lib/deploy-ethers-contract.js

@@ -1,7 +1,9 @@
-const deployEthersContract = (_contractFactory, _constructorArgs = []) =>
-  console.info('✔ Deployment tx sent, awaiting mining...') ||
+const deployEthersContract = (_contractFactory, _constructorArgs = [], _maybeGasPrice = null) =>
+  console.info(
+    `✔ Deployment tx sent${_maybeGasPrice && ` using gas price ${_maybeGasPrice} gwei`}, awaiting mining...`
+  ) ||
   _contractFactory
-    .deploy(..._constructorArgs)
+    .deploy(..._constructorArgs, _maybeGasPrice === null ? {} : { gasPrice: _maybeGasPrice })
     .catch(_err => Promise.reject(new Error(`${_err.message}\n✘ Deployment failed! See above for more info.`)))
 
 module.exports = { deployEthersContract }

lib/deploy-weth.js

@@ -31,15 +31,15 @@ const getWethContractFactory = _wallet =>
     ]))
     .then(([ _abi, _bytecode ]) => new ethers.ContractFactory(_abi, _bytecode, _wallet))
 
-const deployWeth = _ =>
+const deployWeth = (_maybeGasPrice = null) =>
   console.info('✔ Deploying wETH contract...') ||
   getEnvConfiguration()
     .then(() => getEnvironmentVariable(ENDPOINT_ENV_VAR_KEY))
     .then(getProvider)
     .then(checkEndpoint)
     .then(getEthersWallet)
     .then(getWethContractFactory)
-    .then(deployEthersContract)
+    .then(_contractFactory => deployEthersContract(_contractFactory, [], _maybeGasPrice))
     .then(_contract => _contract.deployTransaction.wait())
     .then(_receipt => console.info(`✔ Tx Mined! Contract address: ${prop('contractAddress', _receipt)}`))
 

lib/peg-out.js

@@ -3,15 +3,23 @@ const { getPTokenContract } = require('./get-ptoken-contract')
 const { callFxnInContractAndAwaitReceipt } = require('./contract-utils')
 const { checkTokenBalanceIsSufficient } = require('./check-token-balance')
 
-const pegOut = (_deployedContractAddress, _amount, _recipient, _destinationChainId, _userData) =>
+const pegOut = (
+  _deployedContractAddress,
+  _amount,
+  _recipient,
+  _destinationChainId,
+  _userData,
+  _maybeGasPrice = null,
+) =>
   checkIsHex(_userData)
     .then(_ => getPTokenContract(_deployedContractAddress))
     .then(checkTokenBalanceIsSufficient(_amount))
     .then(_contract =>
       callFxnInContractAndAwaitReceipt(
         'redeem(uint256,bytes,string,bytes4)',
         [ _amount, _userData, _recipient, _destinationChainId ],
-        _contract
+        _maybeGasPrice,
+        _contract,
       )
     )
     .then(_receipt => console.info('✔ Success! Transaction receipt:\n', _receipt))

lib/send-eth.js

@@ -6,14 +6,18 @@ const { getEthersWallet } = require('./get-ethers-wallet')
 const { getEnvConfiguration } = require('./get-env-configuration')
 const { getEnvironmentVariable } = require('./get-environment-variable')
 
-const sendEth = (_address, _amount) =>
+const sendEth = (_address, _amount, _maybeGasPrice = null) =>
   console.info(`✔ Sending ${_amount} WEI to ${_address}...`) ||
   getEnvConfiguration()
     .then(() => getEnvironmentVariable(ENDPOINT_ENV_VAR_KEY))
     .then(getProvider)
     .then(checkEndpoint)
     .then(getEthersWallet)
-    .then(_wallet => _wallet.sendTransaction({ to: _address, value: BigNumber.from(_amount) }))
+    .then(_wallet => {
+      const txParams = { to: _address, value: BigNumber.from(_amount) }
+      if (_maybeGasPrice !== null) txParams['gasPrice'] = _maybeGasPrice
+      return _wallet.sendTransaction(txParams)
+    })
     .then(_tx => console.info('✔ Tx sent, awaiting mining...') || _tx.wait())
     .then(_receipt => console.info('✔ Success! Transaction receipt:\n', _receipt))
 

lib/set-admin-operator.js

@@ -1,10 +1,10 @@
 const { getPTokenContract } = require('./get-ptoken-contract')
 const { callFxnInContractAndAwaitReceipt } = require('./contract-utils')
 
-const setAdminOperator = (_deployedContractAddress, _ethAddress) =>
+const setAdminOperator = (_deployedContractAddress, _ethAddress, _maybeGasPrice = null) =>
   console.info('✔ Getting origin chain ID...') ||
   getPTokenContract(_deployedContractAddress)
-    .then(callFxnInContractAndAwaitReceipt('setAdminOperator', [ _ethAddress ]))
+    .then(callFxnInContractAndAwaitReceipt('setAdminOperator', [ _ethAddress ], _maybeGasPrice))
     .then(console.info)
 
 module.exports = { setAdminOperator }

lib/show-existing-logic-contract-addresses.js

@@ -60,6 +60,11 @@ const EXISTING_PTOKEN_LOGIC_CONTRACTS = [
     'version': 'v2',
     'address': '0x63D07f504D548e041b38cDBf267eFc595E4933c3',
   },
+  {
+    'chain': 'fantom',
+    'version': 'v2',
+    'address': '0x46204f9F5F21DC65E37dc7bE3AD8F72E324876bd',
+  },
 ]
 
 const showExistingPTokenContractAddresses = _ =>

lib/transfer-token.js

@@ -2,11 +2,16 @@ const { getPTokenContract } = require('./get-ptoken-contract')
 const { callFxnInContractAndAwaitReceipt } = require('./contract-utils')
 const { checkTokenBalanceIsSufficient } = require('./check-token-balance')
 
-const transferToken = (_deployedContractAddress, _recipient, _amount) =>
+const transferToken = (_deployedContractAddress, _recipient, _amount, _maybeGasPrice = null) =>
   getPTokenContract(_deployedContractAddress)
     .then(checkTokenBalanceIsSufficient(_amount))
     .then(_contract =>
-      callFxnInContractAndAwaitReceipt('transfer(address,uint256)', [ _recipient, _amount ], _contract)
+      callFxnInContractAndAwaitReceipt(
+        'transfer(address,uint256)',
+        [ _recipient, _amount ],
+        _maybeGasPrice,
+        _contract,
+      )
     )
     .then(_receipt => console.info('✔ Success! Transaction receipt:\n', _receipt))
 

package.json

@@ -1,12 +1,13 @@
 {
   "name": "ptokens-erc777-smart-contract",
-  "version": "3.5.0",
+  "version": "3.6.0",
   "description": "The pToken ERC777 smart-contract & CLI",
   "main": "cli.js",
   "scripts": {
     "compile": "npx hardhat compile",
     "tests": "ENDPOINT=http://localhost:8545 npx hardhat test",
-    "test": "npm run tests"
+    "test": "npm run tests",
+    "lint": "npx eslint ./"
   },
   "repository": {
     "type": "git",