Batch transfer of erc20, ethereum

For reducing fee, batch processing for transfer is needed.

Name	Detail	Interface
transfer	transfer eth multiple times with same amount	transfer(address[] memory recipient, uint256 amount)
transferEthWithDifferentValue	transfer eth multiple times with a different value	transferEthWithDifferentValue(address[] memory recipient, uint256[] memory amount)
batch	transfer erc20s multiple times with a different value	batch(address[] memory recipient, string[] memory token, uint256[] memory amount)
addToken	add token type to the contract	addToken(string name, IERC20 token)
addAdmin	add administrator of the contract	addAdmin(address newAdmin)
withdraw	withdraw erc20-token from this account	withdraw(uint256 amount, string token)
blockAddable	block the feature of adding admin forever	blockAddable()

Installation

Need to install truffle, nodejs, ganache

    git clone https://github.com/suhwanggyu/batch-transfer.git
    npm install

Test

    truffle test --network ganache

or

    truffle console --network ganache
    migrate --compile-all --reset
    test

Result

1. Send eth 8 times with same amount
2. Send eth 8 times with different amount
3. Send ERC20 100 times with different amount / different type of token