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Proxy.cairo
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Proxy.cairo
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%lang starknet
from starkware.cairo.common.cairo_builtins import HashBuiltin
from starkware.starknet.common.syscalls import library_call, library_call_l1_handler
from contracts.upgrade.Upgradable import _get_implementation, _set_implementation
/////////////////////
// CONSTRUCTOR
/////////////////////
@constructor
func constructor{syscall_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr}(
implementation: felt, selector: felt, calldata_len: felt, calldata: felt*
) {
_set_implementation(implementation);
library_call(
class_hash=implementation,
function_selector=selector,
calldata_size=calldata_len,
calldata=calldata,
);
return ();
}
/////////////////////
// EXTERNAL FUNCTIONS
/////////////////////
@external
@raw_input
@raw_output
func __default__{syscall_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr}(
selector: felt, calldata_size: felt, calldata: felt*
) -> (retdata_size: felt, retdata: felt*) {
let (implementation) = _get_implementation();
let (retdata_size: felt, retdata: felt*) = library_call(
class_hash=implementation,
function_selector=selector,
calldata_size=calldata_size,
calldata=calldata,
);
return (retdata_size=retdata_size, retdata=retdata);
}
@l1_handler
@raw_input
func __l1_default__{syscall_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr}(
selector: felt, calldata_size: felt, calldata: felt*
) {
let (implementation) = _get_implementation();
library_call_l1_handler(
class_hash=implementation,
function_selector=selector,
calldata_size=calldata_size,
calldata=calldata,
);
return ();
}
/////////////////////
// VIEW FUNCTIONS
/////////////////////
@view
func get_implementation{syscall_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr}() -> (
implementation: felt
) {
let (implementation) = _get_implementation();
return (implementation=implementation);
}