BridgeERC20Lib Constants
BRIDGE_ERC20_STORAGE_SLOT
keccak256(abi.encode(uint256(keccak256("lattice.storage.BridgeERC20")) - 1)) & ~bytes32(uint256(0xff)).
bytes32 constant BRIDGE_ERC20_STORAGE_SLOT = 0x0e9006c16c4f5fe9e0e3215c8af601bd97024c6bebdfa0efe51c092276cd7c00;