✨ nitro initialize contract with cast

paradigmctf.py/ctf_launchers/nitro_pwn_launcher.py

@@ -43,5 +43,15 @@ def get_flag(self) -> int:
  return 0
 
  def is_solved(self, user_data: UserData, addr: str) -> bool:
- # TODO
- return False
+ web3 = get_privileged_web3(user_data, "main")
+
+ (result,) = abi.decode(
+ ["bool"],
+ web3.eth.call(
+ {
+ "to": addr,
+ "data": web3.keccak(text="isSolved()")[:4],
+ }
+ ),
+ )
+ return result

paradigmctf.py/ctf_launchers/utils.py

@@ -111,8 +111,9 @@ def deploy_no_impersonate(
  web3: Web3,
  project_location: str,
  mnemonic: str,
+ token: str,
  deploy_script: str = "script/Deploy.s.sol:Deploy",
- env: Dict = {},
+ env: Dict = {}
 ) -> str:
  rfd, wfd = os.pipe2(os.O_NONBLOCK)
 
@@ -158,9 +159,57 @@ def deploy_no_impersonate(
  os.close(rfd)
  os.close(wfd)
 
+ # cast_initialize(web3, project_location, token, result)
+
  return result
 
 
+def cast_initialize(
+ web3: Web3,
+ project_location: str,
+ token: str,
+ entrypoint: str
+) -> str:
+ rfd, wfd = os.pipe2(os.O_NONBLOCK)
+
+ proc = subprocess.Popen(
+ args=[
+ "/opt/foundry/bin/cast",
+ "send",
+ token,
+ '"initialize(address)"',
+ entrypoint,
+ "--rpc-url",
+ web3.provider.endpoint_uri,
+ "--private-key",
+ "0xb6b15c8cb491557369f3c7d2c287b053eb229daa9c22138887752191c9520659"
+ ],
+ pass_fds=[wfd],
+ cwd=project_location,
+ text=True,
+ encoding="utf8",
+ stdin=subprocess.DEVNULL,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ )
+ stdout, stderr = proc.communicate()
+
+ if proc.returncode != 0:
+ print(stdout)
+ print(stderr)
+ raise Exception("cast failed to run")
+
+ result = os.read(rfd, 256).decode("utf8")
+
+ os.close(rfd)
+ os.close(wfd)
+
+ return result
+
+
+
+
+
 def deploy_nitro(
  web3: Web3,
  project_location: str,
@@ -212,6 +261,7 @@ def deploy_nitro(
  web3,
  project_location,
  "",
+ token,
  env=env,
  )