Proxy

contract Proxy

Implements delegation of calls to other contracts, with proper forwarding of return values and bubbling of failures. It defines a fallback function that delegates all calls to the address returned by the abstract _implementation() internal function.

Source: upgradeability/Proxy.sol

Index

• _delegate
• _fallback
• _implementation
• _willFallback
• fallback

Reference

Functions

• _delegate

  function _delegate(address implementation) internal

  ---

  Delegates execution to an implementation contract. This is a low level function that doesn't return to its internal call site. It will return to the external caller whatever the implementation returns.

  Parameters:

  implementation - Address to delegate.

• _fallback

  function _fallback() internal

  ---

  Fallback implementation. Extracted to enable manual triggering.

• _implementation

  abstract function _implementation() internal view returns (address)

  ---

  Returns:

  The Address of the implementation.

• _willFallback

  function _willFallback() internal

  ---

  Function that is run as the first thing in the fallback function. Can be redefined in derived contracts to add functionality. Redefinitions must call super._willFallback().

• fallback

  function () external payable

  ---

  Fallback function. Implemented entirely in `_fallback`.