Stream.sol

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//  SPDX-License-Identifier: MIT
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//  https://moneypipe.xyz
//
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pragma solidity ^0.8.4;
import "@openzeppelin/contracts/proxy/utils/Initializable.sol";
contract Stream is Initializable {
  Member[] private _members;
  struct Member {
    address account;
    uint32 value;
    uint32 total;
  }
  function initialize(Member[] calldata m) initializer public {
    for(uint i=0; i<m.length; i++) {
      _members.push(m[i]);
    }
  }
  receive () external payable {
    require(_members.length > 0, "1");
    for(uint i=0; i<_members.length; i++) {
      Member memory member = _members[i];
      _transfer(member.account, msg.value * member.value / member.total);
    }
  }
  function members() external view returns (Member[] memory) {
    return _members;
  }
  // adopted from https://github.com/lexDAO/Kali/blob/main/contracts/libraries/SafeTransferLib.sol
  error TransferFailed();
  function _transfer(address to, uint256 amount) internal {
    bool callStatus;
    assembly {
      callStatus := call(gas(), to, amount, 0, 0, 0, 0)
    }
    if (!callStatus) revert TransferFailed();
  }
}