add default return value for approve

contracts/main/CurveStableSwapMetaNG.vy

@@ -334,7 +334,11 @@ def __init__(
         if i < BASE_N_COINS:
             # Approval needed for add_liquidity operation on base pool in
             # _exchange_underlying:
-            ERC20(_base_coins[i]).approve(BASE_POOL, max_value(uint256))
+            ERC20(_base_coins[i]).approve(
+                BASE_POOL,
+                max_value(uint256),
+                default_return_value = True
+            )
 
     # For ERC4626 tokens:
     if asset_types[0] == 3:

pyproject.toml

@@ -10,7 +10,7 @@ packages = []
 [tool.poetry.dependencies]
 python = "^3.10"
 poetry = "1.5.1"
-titanoboa = {git = "https://github.com/vyperlang/titanoboa.git", rev = "1924f4888e2ef261efb2367fce2cf467de16f529"}
+titanoboa = {git = "https://github.com/vyperlang/titanoboa.git", rev = "b5e9fb96d1424ed5cc5a6af03391d885439c83e5"}
 vyper = "0.3.10"
 pycryptodome = "^3.18.0"
 pre-commit = "^3.3.3"

scripts/deploy_infra.py

@@ -24,7 +24,7 @@
         "math": "0x20D1c021525C85D9617Ccc64D8f547d5f730118A",
         "views": "0x87DD13Dd25a1DBde0E1EdcF5B8Fa6cfff7eABCaD",
         "plain_amm": "0x3E3B5F27bbf5CC967E074b70E9f4046e31663181",
-        "meta_amm": "0x19bd1AB34d6ABB584b9C1D5519093bfAA7f6c7d2",
+        "meta_amm": "0x64AFA95e0C3D8410240a4262df9Fd82B12b64eDd",
         "factory": "0x6A8cbed756804B16E05E741eDaBd5cB544AE21bf",
         "gauge": "0xF5617D4f7514bE35fce829a1C19AE7f6c9106979",
     },
@@ -193,6 +193,7 @@ def deploy_infra(network, url, account, fork=False):
     if fork:
         boa.env.fork(url)
         logger.log("Forkmode ...")
+        boa.env.eoa = deploy_utils.FIDDYDEPLOYER  # set eoa address here
     else:
         logger.log("Prodmode ...")
         boa.set_env(NetworkEnv(url))
@@ -261,7 +262,7 @@ def main():
 
     deploy_infra(
         "ethereum:mainnet",
-        os.environ["RPC_ETHEREUM"],
+        "http://localhost:9090",
         "FIDDYDEPLOYER",
         fork=False,
     )