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UniversalDeployer.cairo
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UniversalDeployer.cairo
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts for Cairo v0.5.0 (utils/presets/UniversalDeployer.cairo)
%lang starknet
from starkware.starknet.common.syscalls import get_caller_address, deploy
from starkware.cairo.common.cairo_builtins import HashBuiltin
from starkware.cairo.common.hash import hash2
from starkware.cairo.common.bool import FALSE, TRUE
@event
func ContractDeployed(
address: felt,
deployer: felt,
unique: felt,
classHash: felt,
calldata_len: felt,
calldata: felt*,
salt: felt
) {
}
@external
func deployContract{
syscall_ptr: felt*,
pedersen_ptr: HashBuiltin*,
range_check_ptr
}(
classHash: felt,
salt: felt,
unique: felt,
calldata_len: felt,
calldata: felt*
) -> (address: felt) {
alloc_locals;
let (deployer) = get_caller_address();
local _salt;
local from_zero;
if (unique == TRUE) {
let (unique_salt) = hash2{hash_ptr=pedersen_ptr}(deployer, salt);
_salt = unique_salt;
from_zero = FALSE;
tempvar _pedersen = pedersen_ptr;
} else {
_salt = salt;
from_zero = TRUE;
tempvar _pedersen = pedersen_ptr;
}
let pedersen_ptr = _pedersen;
let (address) = deploy(
class_hash=classHash,
contract_address_salt=_salt,
constructor_calldata_size=calldata_len,
constructor_calldata=calldata,
deploy_from_zero=from_zero,
);
ContractDeployed.emit(
address=address,
deployer=deployer,
unique=unique,
classHash=classHash,
calldata_len=calldata_len,
calldata=calldata,
salt=salt
);
return (address=address);
}