proxy

Documentation

Index

• Variables
• func GetImplementation(ctx context.Context, address common.Address, blockNumber *big.Int, ...) (*common.Address, error)

Variables

var (
	// SlotERC1967 key from https://eips.ethereum.org/EIPS/eip-1967#:~:text=0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
	SlotERC1967 = common.HexToHash("0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc")
	// SlotOpenZeppelin key from https://github.com/OpenZeppelin/openzeppelin-labs/blob/54ad91472fdd0ac4c34aa97d3a3da45c28245510/initializer_with_sol_editing/contracts/UpgradeabilityProxy.sol#L24
	SlotOpenZeppelin = common.HexToHash("0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3") // https://github.com/OpenZeppelin/openzeppelin-labs/blob/54ad91472fdd0ac4c34aa97d3a3da45c28245510/initializer_with_sol_editing/contracts/UpgradeabilityProxy.sol#L19-L24

)

var ErrorNotAProxyContract = errors.New("not a proxy contract")

Functions

func GetImplementation

func GetImplementation(ctx context.Context, address common.Address, blockNumber *big.Int, ethereumClient ethereum.Client) (*common.Address, error)

GetImplementation returns the implementation address of the proxy contract, it used sync.QuickGroup to get the result as soon as possible.