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PolygonDAOChild.md

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PolygonDAOChild

Child chain side of a Polygon data bridge meant to execute commands on the child chain

This can be used to execute commands forwarded from the DAO on the root chain

Contents

Globals

Note this contains internal vars as well due to a bug in the docgen procedure

Var Type
latestStateId uint256
latestRootMessageSender address
latestData bytes

Functions

constructor

PolygonDAOChild constructor

calls FxBaseChildTunnel(_fxChild)

Declaration

  function constructor(
    address _fxChild
  ) public FxBaseChildTunnel

Modifiers:

Modifier
FxBaseChildTunnel

Args:

Arg Type Description
_fxChild address Address of FxStateChildTunnel from https://docs.matic.network/docs/develop/l1-l2-communication/state-transfer/

receive

Enables contract to receive ETH

Declaration

  function receive(
  ) external

Modifiers:

No modifiers

_processMessageFromRoot

Called when there is a message from the root chain

This executes a DAO command on the child chain

Declaration

  function _processMessageFromRoot(
    uint256 _stateId,
    address _sender,
    bytes _data
  ) internal validateSender

Modifiers:

Modifier
validateSender

Args:

Arg Type Description
_stateId uint256 StateId
_sender address This should be the root chain end of the tunnel
_data bytes ABI encoded payload to execute