contractCall

contractCall is a method of launcher sdk that allows developers to call any admin related methods on the contract. It also allows developers to read or modify any ERC information of the launcher contracts.

Parameter

Argument	type	description
methodName	string	the name of the methods you want to call
arguments	any[]	the list of arguments that need to be provided to the contract method when calling the
signer	Signer?	the signer instance to represent the account caller and is only required when calling the write method

Below is a list of admin methods that can be called through contractCall:

grantRole

grant role(e.g: ADMIN role) to the provided address

Arguments:

address: a string that represents the account address
role: a string generated from keccak256 hashing of constant "ADMIN_ROLE"

configurePresale

Initialize the presale contract fields after deployment of the presale contract

Arguments

startTime: string, a unix timestamp in terms of seconds of start time
endTime: string, a unix timestamp in terms of seconds of end time
withdrawAfterTime: string, a unix timestamp in terms of seconds of withdraw time
supply: string, a number string that represents contract supply
maxAmountPerBuyer: string, a number string that limits the max amount of presale token to be bought by each buyer
minInvestment: string, a number string that limits the min amount of presale token to be bought by each buyer
paymentMethods: string[], list of string that lists erc20 token addresses that can be used to buy persale token
tokenRate: Integer[][], list of exchange rate correspond to paymentMethods. Each exchange rate contains two integers that represents how much presale token can be exchanged with how much payment token

modifyPaymentMethods

Add or remove payment methods from the supported payment methods list stored in presale contract

Argument

paymentMethods: string[], list of erc20 token addresses that can be used to purchase presale token
tokenRate: Integer[][], list of exchange rate. Each exchange rate contains two Integers and correspond to the payment method at their index. If one of the two Integers is zero, then the corresponding payment method is removed

ownerWithdraw

Transfer the token stored inside this contract to feeReceiver. This action can only performed by contract owner, so you need to set the signer inside contractCall with the signer that has contract owner key

Argument

tokenAddress: string, address of the payment token or presale token
amount: string, amount of token to be transferred

ownerWithdrawAll

Transfer all of the specified token stored inside this contract to feeReceiver

Argument

tokenAddress: string, address of the payment token or presale token

setPaymentReceiver

Change the fee receiver address of the presale contract

Argument

walletAddress: string, the wallet address of the new fee receiver

removeFromWhitelist

Remove addresses from the presale contract if the whitelist is enabled. Only wallet address on the whitelist could buy or withdraw presale token

Argument

addresses: string[], list of wallet address on the current whitelist

addToWhitelist

Add addresses to the presale contract whitelist if the whitelist is enabled. Only wallet address on the whitelist could buy or withdraw presale token

Argument

addresses: string[], list of wallet addresses that is not on current whitelist

renounceRole

Revokes role from account

Argument

account: string, the wallet address
role: string, a string generated from keccak256 hashing of constant "ADMIN_ROLE"

revokeRole

Revokes role from the calling account.

Argument

account: string, the wallet address
role: string, a string generated from keccak256 hashing of constant "ADMIN_ROLE"

Example

const paymentReceiver = <YOUR_PAYMENT_RECEIVER>
const chainId = <CHAIN_ID>
const signer = new Wallet(CONTRACT_OWNER_PRIVATE_KEY, getDefaultProvider(chainId))
await presaleSdk.contractCall("setPaymentReceiver", [paymentReceiver], signer)