diff --git a/contracts/registries/BasePoolRegistry.vy b/contracts/registries/BasePoolRegistry.vy
index f600dda..9dcd2c7 100644
--- a/contracts/registries/BasePoolRegistry.vy
+++ b/contracts/registries/BasePoolRegistry.vy
@@ -1,4 +1,5 @@
-#pragma version ^0.3.7
+# pragma version 0.3.10
+# pragma evm-version paris
 """
 @title Curve BasePool Registry
 @license MIT
@@ -222,7 +223,14 @@ def is_lending(_pool: address) -> bool:
 
 
 @external
-def add_base_pool(_pool: address, _lp_token: address, _n_coins: uint256, _is_legacy: bool, _is_lending: bool, _is_v2: bool):
+def add_base_pool(
+    _pool: address,
+    _lp_token: address,
+    _n_coins: uint256,
+    _is_legacy: bool,
+    _is_lending: bool,
+    _is_v2: bool
+):
     """
     @notice Add a base pool to the registry
     @param _pool Address of the base pool
diff --git a/contracts/registries/CryptoRegistryV1.vy b/contracts/registries/CryptoRegistryV1.vy
index ef1690a..bd0e20c 100644
--- a/contracts/registries/CryptoRegistryV1.vy
+++ b/contracts/registries/CryptoRegistryV1.vy
@@ -1,4 +1,5 @@
-#pragma version ^0.3.7
+# pragma version 0.3.10
+# pragma evm-version paris
 """
 @title Curve CryptoSwap Registry
 @license MIT
diff --git a/contracts/registry_handlers/CryptoFactoryHandler.vy b/contracts/registry_handlers/CryptoFactoryHandler.vy
index cb45cf6..408ec2f 100644
--- a/contracts/registry_handlers/CryptoFactoryHandler.vy
+++ b/contracts/registry_handlers/CryptoFactoryHandler.vy
@@ -1,4 +1,5 @@
-#pragma version ^0.3.7
+# pragma version 0.3.10
+# pragma evm-version paris
 """
 @title Curve Registry Handler for v2 Factory
 @license MIT
diff --git a/contracts/registry_handlers/CryptoRegistryHandler.vy b/contracts/registry_handlers/CryptoRegistryHandler.vy
index a008331..2cbc003 100644
--- a/contracts/registry_handlers/CryptoRegistryHandler.vy
+++ b/contracts/registry_handlers/CryptoRegistryHandler.vy
@@ -1,4 +1,5 @@
-#pragma version ^0.3.7
+# pragma version 0.3.10
+# pragma evm-version paris
 """
 @title Curve Registry Handler for v2 Crypto Registry
 @license MIT
diff --git a/contracts/registry_handlers/StableFactoryHandler.vy b/contracts/registry_handlers/StableFactoryHandler.vy
index ddd5a2e..e944ffd 100644
--- a/contracts/registry_handlers/StableFactoryHandler.vy
+++ b/contracts/registry_handlers/StableFactoryHandler.vy
@@ -1,4 +1,5 @@
-#pragma version ^0.3.7
+# pragma version 0.3.10
+# pragma evm-version paris
 """
 @title Curve Registry Handler for v1 Factory (latest)
 @license MIT
diff --git a/contracts/registry_handlers/StableRegistryHandler.vy b/contracts/registry_handlers/StableRegistryHandler.vy
index 80c0ad8..6f219b2 100644
--- a/contracts/registry_handlers/StableRegistryHandler.vy
+++ b/contracts/registry_handlers/StableRegistryHandler.vy
@@ -1,4 +1,5 @@
-#pragma version ^0.3.7
+# pragma version 0.3.10
+# pragma evm-version paris
 """
 @title Curve Registry Handler for v1 Registry
 @license MIT
diff --git a/deployments.yaml b/deployments.yaml
new file mode 100644
index 0000000..29a8edd
--- /dev/null
+++ b/deployments.yaml
@@ -0,0 +1,73 @@
+arbitrum:
+  BasePoolRegistry: '0x1b0882f15efD4FF36C3E23C887518080ECe28B2B'
+  CryptoRegistryHandler: '0x4bf079cAC8AA62253978f6382aeBB73feDDAeD35'
+  Metaregistry: '0x13526206545e2DC7CcfBaF28dC88F440ce7AD3e0'
+  StableFactoryHandler: '0x39FFd8A06E80c12AC9151c57b72E709b0d735B9f'
+  StableRegistryHandler: '0x04A59aaD6b7EE48e6A4F7978cABB52CaedCCE4b2'
+  StableswapFactoryNGHandler: '0xdfdD8365e8D5823836427cFd8d54Dd390181477C'
+  TricryptoFactoryNGHandler: '0xb29841F457B102ce42b40eB8E602AEbc2fE6C2a2'
+  TwocryptoFactoryNGHandler: '0xBC397375a6Ae7A397010860f5a4b9fE65A3d6843'
+aurora:
+  BasePoolRegistry: '0xe548590f9fAe7a23EA6501b144B0D58b74Fc4B53'
+  Metaregistry: '0xFf02cBD91F57A778Bab7218DA562594a680B8B61'
+  StableRegistryHandler: '0xA54f3c1DFa5f7DbF2564829d14b3B74a65d26Ae2'
+  StableswapFactoryNGHandler: '0xf2eff2Cd0d9C82b7b2f17FbBed703fA7931dB1da'
+  TricryptoFactoryNGHandler: '0xb47988aD49DCE8D909c6f9Cf7B26caF04e1445c8'
+  TwocryptoFactoryNGHandler: '0x64AFA95e0C3D8410240a4262df9Fd82B12b64eDd'
+avalanche:
+  BasePoolRegistry: '0xb47988aD49DCE8D909c6f9Cf7B26caF04e1445c8'
+  Metaregistry: '0xB6845b562F01eB02ef20CBB63553d2a768e5a1Cb'
+  StableFactoryHandler: '0x33e72383472f77B0C6d8F791D1613C75aE2C5915'
+  StableRegistryHandler: '0x64AFA95e0C3D8410240a4262df9Fd82B12b64eDd'
+base:
+  BasePoolRegistry: '0xB6845b562F01eB02ef20CBB63553d2a768e5a1Cb'
+  CryptoFactoryHandler: '0x64AFA95e0C3D8410240a4262df9Fd82B12b64eDd'
+  StableFactoryHandler: '0xf2eff2Cd0d9C82b7b2f17FbBed703fA7931dB1da'
+bsc:
+  BasePoolRegistry: '0x64891ab20392A029c0f231656ff13C5ee64b730C'
+  CryptoFactoryHandler: '0xA04511C09E493eD36895b665d43d452aBB042579'
+  StableFactoryHandler: '0x8A00365Ae28D75B92ec695D5a041b744f140438D'
+celo:
+  BasePoolRegistry: '0xB6845b562F01eB02ef20CBB63553d2a768e5a1Cb'
+  StableFactoryHandler: '0xf2eff2Cd0d9C82b7b2f17FbBed703fA7931dB1da'
+fantom:
+  BasePoolRegistry: '0xA04511C09E493eD36895b665d43d452aBB042579'
+  CryptoRegistryHandler: '0xc65CB3156225380BEda366610BaB18D5835A1647'
+  Metaregistry: '0x803de445F0C272Bb6a036495F531a828D538Ab9A'
+  StableFactoryHandler: '0x452b9481fe83deadAf9f35226Cf79a53B26032da'
+  StableRegistryHandler: '0xfb37b8D939FFa77114005e61CFc2e543d6F49A81'
+  StableswapFactoryNGHandler: '0xf46D25696677898454dfDd644830C821243A1188'
+  TricryptoFactoryNGHandler: '0x08390C76DFDaB74249754C8e71cC2747351bd388'
+  TwocryptoFactoryNGHandler: '0x9d3975070768580f755D405527862ee126d0eA08'
+gnosis:
+  BasePoolRegistry: '0x3f4a2bffa78d50cd61401a440526378e2155a8ae'
+  CryptoRegistryHandler: '0x550574e33b81c45d3d69250b46ae30c7bc40d330'
+  Metaregistry: '0xb6265659d7e9FEccB59e076e949Da556FC5E1429'
+  StableFactoryHandler: '0xF493Cd722951346E646eE666f0525e7cDcde9c03'
+  StableRegistryHandler: '0x6DCD097C0639ebF7dD932808C6965E43638AE6D2'
+  StableswapFactoryNGHandler: '0x4b00E8c997AeBACeEf6B8c6F89eE2bf99b2CA846'
+  TricryptoFactoryNGHandler: '0xc9621394A73A071d8084CB9a15b04F182a7C9634'
+  TwocryptoFactoryNGHandler: '0xD8D569f74D3Ea07708d92802dD3f60353Ef1d8a8'
+kava:
+  BasePoolRegistry: '0x64AFA95e0C3D8410240a4262df9Fd82B12b64eDd'
+  StableFactoryHandler: '0x21688e843a99B0a47E750e7dDD2b5dAFd9269d30'
+  StableRegistryHandler: '0x72DbDFA64965C9ADbcdD7343bEe4AEC1370d35bd'
+optimism:
+  BasePoolRegistry: '0xa0EC67a3C483674f77915893346A8CA3AbE2b785'
+  CryptoRegistryHandler: '0xB00E89EaBD59cD3254c88E390103Cf17E914f678'
+  Metaregistry: '0xc65CB3156225380BEda366610BaB18D5835A1647'
+  StableFactoryHandler: '0x9d3975070768580f755D405527862ee126d0eA08'
+  StableRegistryHandler: '0xf46D25696677898454dfDd644830C821243A1188'
+  StableswapFactoryNGHandler: '0xDCc91f930b42619377C200BA05b7513f2958b202'
+  TricryptoFactoryNGHandler: '0xc9CBC565A9F4120a2740ec6f64CC24AeB2bB3E5E'
+  TwocryptoFactoryNGHandler: '0x442B22fd19A25c1582Dc1Bc3949fb364ad7f34F4'
+polygon:
+  BasePoolRegistry: '0xDD7EBB1C49780519dD9755B8B1A23a6f42CE099E'
+  CryptoFactoryHandler: '0x08390c76dfdab74249754c8e71cc2747351bd388'
+  CryptoRegistryHandler: '0xc65cb3156225380beda366610bab18d5835a1647'
+  Metaregistry: '0x296d2B5C23833A70D07c8fCBB97d846c1ff90DDD'
+  StableFactoryHandler: '0x452b9481fe83deadAf9f35226Cf79a53B26032da'
+  StableRegistryHandler: '0xfb37b8D939FFa77114005e61CFc2e543d6F49A81'
+  StableswapFactoryNGHandler: '0x9d3975070768580f755D405527862ee126d0eA08'
+  TricryptoFactoryNGHandler: '0xf46D25696677898454dfDd644830C821243A1188'
+  TwocryptoFactoryNGHandler: '0xb00e89eabd59cd3254c88e390103cf17e914f678'
diff --git a/scripts/address_provider_constants.py b/scripts/address_provider_constants.py
index 2d99997..849f7ff 100644
--- a/scripts/address_provider_constants.py
+++ b/scripts/address_provider_constants.py
@@ -306,4 +306,20 @@
         12: "0xd2002373543Ce3527023C75e7518C274A51ce712",
         13: "0x98EE851a00abeE0d95D08cF4CA2BdCE32aeaAF7F",
     },
+    "zksync": {
+        2: "",  # 2: "Exchange Router",
+        4: "",  # 4: "Fee Distributor",
+        11: "0x5044112fDf6c8DCc788a669c17345cfDB06549fa",  # 11: "TricryptoNG Factory",
+        12: "0x375444aeDEb6C3db897f293E1DBa85D7422A6859",  # 12: "StableswapNG Factory",
+        13: "0x24992A09E2257AF325102Cefa1F09E80E9062d49",  # 13: "TwocryptoNG Factory",
+        14: "",  # 14: "Stableswap Calculations Contract",
+        15: "",  # 15: "Cryptoswap calculations Contract",
+        19: "",  # 19: "CRV Token",
+        20: "",  # 20: "Gauge Factory",
+        21: "",  # 21: "Ownership Admin",
+        22: "",  # 22: "Parameter Admin",
+        23: "",  # 23: "Emergency Admin",
+        24: "",  # 24: "CurveDAO Vault",  # Holds funds
+        25: "",  # 25: "crvUSD Token"
+    },
 }
diff --git a/scripts/deploy_metaregistry_sidechain_l2s.py b/scripts/deploy_metaregistry_sidechain_l2s.py
deleted file mode 100644
index 531358b..0000000
--- a/scripts/deploy_metaregistry_sidechain_l2s.py
+++ /dev/null
@@ -1,128 +0,0 @@
-import os
-import sys
-
-import boa
-from eth_account import Account
-from rich.console import Console as RichConsole
-
-sys.path.append("./")
-
-FIDDY_DEPLOYER = ""
-ADDRESS_PROVIDER = "0x5ffe7FB82894076ECB99A30D6A32e969e6e35E98"
-GAUGE_TYPE = {
-    "arbitrum": 7,
-    "optimism": 11,
-    "polygon": 2,
-    "base": 0,
-    "fraxtal": 11,
-    "bsc": 12,
-    "gnosis": 4,
-    "fantom": 1,
-    "avalanche": 8,
-    "aurora": -1,
-    "celo": -1,
-    "kava": 9,
-    "mantle": -1,
-    "linea": -1,
-    "scroll": -1,
-    "polygon-zkevm": -1,
-    "xlayer": -1,
-}
-
-
-def fetch_url(network):
-    return os.getenv("DRPC_URL") % (network, os.getenv("DRPC_KEY"))
-
-
-def main(network, fork, url=""):
-    """
-    Deploy the AddressProvider to the network.
-    """
-    assert "ethereum" not in network
-    console = RichConsole()
-    if not url:
-        url = fetch_url(network)
-
-    if not fork:
-        # Prodmode
-        console.log("Running script in prod mode...")
-        boa.set_network_env(url)
-        boa.env.add_account(Account.from_key(os.environ["FIDDYDEPLOYER"]))
-        boa.env.suppress_debug_tt(True)
-
-    else:
-        # Forkmode
-        console.log("Simulation Mode. Writing to mainnet-fork.")
-        boa.env.fork(url=url)
-        boa.env.eoa = FIDDY_DEPLOYER
-
-    address_provider = boa.load_partial("contracts/AddressProviderNG.vy").at(
-        ADDRESS_PROVIDER
-    )
-
-    # deploy metaregistry
-    # console.log("Deploying Metaregistry ...")
-    # gauge_factory = address_provider.get_address(20)  # 20 is for Gauge Factory
-    # gauge_type = GAUGE_TYPE[network]
-    # metaregistry = boa.load("contracts/MetaregistryL2.vy", gauge_factory, gauge_type)
-    # console.log(
-    #     "Constructor arguments: ",
-    #     encode(["address", "int128"], [gauge_factory, gauge_type]).hex(),
-    # )
-
-    # xlayer
-    metaregistry = boa.load_partial("contracts/MetaregistryL2.vy").at(
-        "0x87DD13Dd25a1DBde0E1EdcF5B8Fa6cfff7eABCaD"
-    )
-
-    # set up tricrypto ng factory handler
-    console.log("Deploy Tricrypto Factory Handler ...")
-    tricrypto_ng_factory = address_provider.get_address(11)
-    tricrypto_ng_factory_handler = boa.load(
-        "contracts/registry_handlers/ng/CurveTricryptoFactoryHandler.vy",
-        tricrypto_ng_factory,
-    )
-
-    # set up stableswap ng factory handler
-    console.log("Deploy Stableswap Factory Handler ...")
-    stableswap_ng_factory = address_provider.get_address(12)
-    stableswap_ng_factory_handler = boa.load(
-        "contracts/registry_handlers/ng/CurveStableSwapFactoryNGHandler.vy",
-        stableswap_ng_factory,
-    )
-
-    # set up twocrypto ng factory handler
-    console.log("Deploy Twocrypto Factory Handler ...")
-    twocrypto_ng_factory = address_provider.get_address(13)
-    twocrypto_ng_factory_handler = boa.load(
-        "contracts/registry_handlers/ng/CurveTwocryptoFactoryHandler.vy",
-        twocrypto_ng_factory,
-    )
-
-    # Add registry handlers to the metaregistry
-    console.log("Add Factory Handlers to Metaregistry ...")
-    metaregistry.add_registry_handler(stableswap_ng_factory_handler.address)
-    metaregistry.add_registry_handler(twocrypto_ng_factory_handler.address)
-    metaregistry.add_registry_handler(tricrypto_ng_factory_handler.address)
-
-    # add metaregistry to address provider
-    console.log("Add Metaregistry to AddressProvider ...")
-    address_provider.add_new_id(7, metaregistry.address, "Metaregistry")
-
-    console.log("Deployment and integration of the Metaregistry completed.")
-
-
-if __name__ == "__main__":
-    # not deployed:
-    # aurora
-
-    network = ""
-    fork = False
-    url = ""
-
-    if network == "xlayer":
-        url = "https://rpc.xlayer.tech"
-    elif network == "fraxtal":
-        url = "https://rpc.frax.com"
-
-    main(network, fork, url=url)
diff --git a/scripts/deploy_metaregistryl2.py b/scripts/deploy_metaregistryl2.py
new file mode 100644
index 0000000..bafa04d
--- /dev/null
+++ b/scripts/deploy_metaregistryl2.py
@@ -0,0 +1,265 @@
+# flake8: noqa
+
+import os
+import sys
+
+import boa
+import yaml
+from boa.network import NetworkEnv
+from eth.constants import ZERO_ADDRESS
+from eth_account import Account
+from rich import console as rich_console
+
+sys.path.append("./")
+from scripts.deploy_addressprovider_and_setup import fetch_url
+from scripts.legacy_base_pools import base_pools as BASE_POOLS
+from scripts.utils.constants import FIDDY_DEPLOYER
+
+console = rich_console.Console()
+
+ZERO_ADDRESS = "0x0000000000000000000000000000000000000000"
+ADDRESS_PROVIDER = "0x5ffe7FB82894076ECB99A30D6A32e969e6e35E98"
+GAUGE_TYPE = {
+    "arbitrum": 7,
+    "optimism": 11,
+    "polygon": 2,
+    "base": 0,
+    "fraxtal": 11,
+    "bsc": 12,
+    "gnosis": 4,
+    "fantom": 1,
+    "avalanche": 8,
+    "aurora": -1,
+    "celo": -1,
+    "kava": 9,
+    "mantle": -1,
+    "linea": -1,
+    "scroll": -1,
+    "polygon-zkevm": -1,
+    "xlayer": -1,
+}
+
+
+def check_contract_deployed(network, designation):
+    with open("./deployments.yaml", "r") as file:
+        deployments = yaml.safe_load(file)
+
+    if deployments is None:
+        deployments = {}
+
+    if (
+        network in deployments.keys()
+        and designation in deployments[network].keys()
+    ):
+        contract_address = deployments[network][designation]
+        console.log(
+            f"{designation} deployed already at {network}: {contract_address}"
+        )
+        return contract_address
+
+    return ZERO_ADDRESS
+
+
+def store_deployed_contract(network, designation, deployment_address):
+    with open("./deployments.yaml", "r") as file:
+        deployments = yaml.safe_load(file)
+
+    if deployments is None:
+        deployments = {}
+
+    if not network in deployments.keys():
+        deployments[network] = {}
+
+    deployments[network][designation] = str(deployment_address)
+    with open("./deployments.yaml", "w") as file:
+        yaml.dump(deployments, file)
+
+
+def deploy_and_cache_contracts(network, designation, contract_file, args):
+    contract_address = check_contract_deployed(network, designation)
+    if contract_address != ZERO_ADDRESS:
+        return boa.load_partial(contract_file).at(contract_address)
+
+    deployed_contract = boa.load(contract_file, *args)
+    store_deployed_contract(network, designation, deployed_contract.address)
+
+    return deployed_contract
+
+
+def main(network, fork, url, deploy_ng_handlers):
+    assert "ethereum" not in network
+
+    if not url:
+        url = fetch_url(network)
+
+    if not fork:
+        # Prodmode
+        console.log("Running script in prod mode...")
+        boa.set_env(NetworkEnv(url))
+        boa.env.add_account(Account.from_key(os.environ["FIDDYDEPLOYER"]))
+
+    else:
+        # Forkmode
+        console.log("Simulation Mode. Writing to mainnet-fork.")
+        boa.env.fork(url=url)
+        boa.env.eoa = FIDDY_DEPLOYER
+
+    address_provider = boa.load_partial("contracts/AddressProviderNG.vy").at(
+        ADDRESS_PROVIDER
+    )
+    metaregistry_address = address_provider.get_address(7)
+
+    # deploy metaregistry
+    console.log("Deploying Metaregistry ...")
+    gauge_factory = address_provider.get_address(20)  # 20 is for Gauge Factory
+    gauge_type = GAUGE_TYPE[network]
+
+    if metaregistry_address == ZERO_ADDRESS:
+        metaregistry = deploy_and_cache_contracts(
+            network,
+            "Metaregistry",
+            "contracts/MetaregistryL2.vy",
+            [gauge_factory, gauge_type],
+        )
+        deploy_ng_handlers = True
+    else:
+        metaregistry = boa.load_partial("contracts/MetaRegistryL2.vy").at(
+            metaregistry_address
+        )
+
+    # deploy base pool registry (even if there are no legacy base pools):
+    console.log("Deploying base pool registry ...")
+    base_pools = []
+    if network in BASE_POOLS.keys():
+        base_pools = BASE_POOLS[network]
+
+    base_pools_registry = deploy_and_cache_contracts(
+        network,
+        "BasePoolRegistry",
+        "contracts/registries/BasePoolRegistry.vy",
+        [],
+    )
+
+    registry_list = [
+        metaregistry.get_registry(i)
+        for i in range(metaregistry.registry_length())
+    ]
+
+    if not len(base_pools) == base_pools_registry.base_pool_count():
+        console.log("Adding base pools to the base pool registry ...")
+        added_base_pools = [
+            base_pools_registry.base_pool_list(i)
+            for i in range(len(base_pools))
+        ]
+        for base_pool in base_pools:
+            if not base_pool[0] in added_base_pools:
+                base_pools_registry.add_base_pool(*base_pool)
+
+    # deploy stableswap registry and factory handlers
+    stableswap_custom_pool_registry = address_provider.get_address(0)
+    if stableswap_custom_pool_registry != ZERO_ADDRESS:
+        console.log(
+            "Adding stableswap custom pool registry to the Metaregistry ..."
+        )
+        registry_handler = deploy_and_cache_contracts(
+            network,
+            "StableRegistryHandler",
+            "contracts/registry_handlers/StableRegistryHandler.vy",
+            [stableswap_custom_pool_registry],
+        )
+        if registry_handler.address not in registry_list:
+            metaregistry.add_registry_handler(registry_handler.address)
+
+    stableswap_factory = address_provider.get_address(3)
+    if stableswap_factory != ZERO_ADDRESS:
+        console.log("Adding stableswap factory to the Metaregistry ...")
+        registry_handler = deploy_and_cache_contracts(
+            network,
+            "StableFactoryHandler",
+            "contracts/registry_handlers/StableFactoryHandler.vy",
+            [stableswap_factory, base_pools_registry.address],
+        )
+        if registry_handler.address not in registry_list:
+            metaregistry.add_registry_handler(registry_handler.address)
+
+    # deploy cryptoswap registry and factory handlers
+    cryptoswap_custom_pool_registry = address_provider.get_address(5)
+    if cryptoswap_custom_pool_registry != ZERO_ADDRESS:
+        console.log(
+            "Adding cryptoswap custom pool registry to the Metaregistry ..."
+        )
+        registry_handler = deploy_and_cache_contracts(
+            network,
+            "CryptoRegistryHandler",
+            "contracts/registry_handlers/CryptoRegistryHandler.vy",
+            [cryptoswap_custom_pool_registry],
+        )
+        if registry_handler.address not in registry_list:
+            metaregistry.add_registry_handler(registry_handler.address)
+
+    cryptoswap_factory = address_provider.get_address(6)
+    if cryptoswap_factory != ZERO_ADDRESS:
+        console.log("Adding cryptoswap factory to the Metaregistry ...")
+        registry_handler = deploy_and_cache_contracts(
+            network,
+            "CryptoFactoryHandler",
+            "contracts/registry_handlers/CryptoFactoryHandler.vy",
+            [cryptoswap_factory, base_pools_registry.address],
+        )
+        if registry_handler.address not in registry_list:
+            metaregistry.add_registry_handler(registry_handler.address)
+
+    # since we bricked a few contracts:
+    if deploy_ng_handlers:
+        # set up tricrypto ng factory handler
+        console.log("Deploy Tricrypto Factory NG Handler ...")
+        tricrypto_ng_factory = address_provider.get_address(11)
+        registry_handler = deploy_and_cache_contracts(
+            network,
+            "TricryptoFactoryNGHandler",
+            "contracts/registry_handlers/ng/CurveTricryptoFactoryHandler.vy",
+            [tricrypto_ng_factory],
+        )
+        if registry_handler.address not in registry_list:
+            metaregistry.add_registry_handler(registry_handler.address)
+
+        # set up stableswap ng factory handler
+        console.log("Deploy Stableswap Factory NG Handler ...")
+        stableswap_ng_factory = address_provider.get_address(12)
+        registry_handler = deploy_and_cache_contracts(
+            network,
+            "StableswapFactoryNGHandler",
+            "contracts/registry_handlers/ng/CurveStableSwapFactoryNGHandler.vy",
+            [stableswap_ng_factory],
+        )
+        if registry_handler.address not in registry_list:
+            metaregistry.add_registry_handler(registry_handler.address)
+
+        # set up twocrypto ng factory handler
+        console.log("Deploy Twocrypto Factory NG Handler ...")
+        twocrypto_ng_factory = address_provider.get_address(13)
+        registry_handler = deploy_and_cache_contracts(
+            network,
+            "TwocryptoFactoryNGHandler",
+            "contracts/registry_handlers/ng/CurveTwocryptoFactoryHandler.vy",
+            [twocrypto_ng_factory],
+        )
+        if registry_handler.address not in registry_list:
+            metaregistry.add_registry_handler(registry_handler.address)
+
+        # add metaregistry to address provider
+        console.log("Add Metaregistry to AddressProvider ...")
+        address_provider.add_new_id(7, metaregistry.address, "Metaregistry")
+
+    console.log(
+        f"Deployment and integration of the Metaregistry on {network} completed."
+    )
+
+
+if __name__ == "__main__":
+    network = ""
+    url = ""
+    fork = False
+    deploy_ng_handlers = False
+
+    main(network, fork, url, deploy_ng_handlers)
diff --git a/scripts/legacy_base_pools.py b/scripts/legacy_base_pools.py
new file mode 100644
index 0000000..ede3703
--- /dev/null
+++ b/scripts/legacy_base_pools.py
@@ -0,0 +1,125 @@
+# pool
+# lp_token
+# n_coins
+# is_legacy
+# is_lending
+# is_v2
+
+base_pools = {
+    "arbitrum": [
+        [
+            "0x7f90122BF0700F9E7e1F688fe926940E8839F353",  # 2pool
+            "0x7f90122BF0700F9E7e1F688fe926940E8839F353",
+            2,
+            False,
+            False,
+            False,
+        ],
+        [
+            "0x3E01dD8a5E1fb3481F0F589056b428Fc308AF0Fb",  # wbtc/renbtc
+            "0x3E01dD8a5E1fb3481F0F589056b428Fc308AF0Fb",
+            2,
+            False,
+            False,
+            False,
+        ],
+        [
+            "0xC9B8a3FDECB9D5b218d02555a8Baf332E5B740d5",  # fraxbp
+            "0xC9B8a3FDECB9D5b218d02555a8Baf332E5B740d5",
+            2,
+            False,
+            False,
+            False,
+        ],
+    ],
+    "optimism": [
+        [
+            "0x1337BedC9D22ecbe766dF105c9623922A27963EC",  # 3pool
+            "0x1337BedC9D22ecbe766dF105c9623922A27963EC",
+            3,
+            False,
+            False,
+            False,
+        ],
+        [
+            "0x29A3d66B30Bc4AD674A4FDAF27578B64f6afbFe7",  # fraxbp
+            "0x29A3d66B30Bc4AD674A4FDAF27578B64f6afbFe7",
+            2,
+            False,
+            False,
+            False,
+        ],
+    ],
+    "polygon": [
+        [
+            "0xC2d95EEF97Ec6C17551d45e77B590dc1F9117C67",  # aave btc
+            "0xf8a57c1d3b9629b77b6726a042ca48990A84Fb49",
+            2,
+            False,
+            True,  # aave atokens
+            False,
+        ],
+        [
+            "0x445FE580eF8d70FF569aB36e80c647af338db351",  # aave 3pool
+            "0xE7a24EF0C5e95Ffb0f6684b813A78F2a3AD7D171",
+            3,
+            False,
+            True,  # aave atokens
+            False,
+        ],
+    ],
+    "fantom": [
+        [
+            "0x27E611FD27b276ACbd5Ffd632E5eAEBEC9761E40",  # dai <> usdc
+            "0x27E611FD27b276ACbd5Ffd632E5eAEBEC9761E40",
+            2,
+            False,
+            False,
+            False,
+        ],
+        [
+            "0x3eF6A01A0f81D6046290f3e2A8c5b843e738E604",  # renbtc
+            "0x5B5CFE992AdAC0C9D48E05854B2d91C73a003858",
+            2,
+            False,
+            False,
+            False,
+        ],
+        [
+            "0x0fa949783947Bf6c1b171DB13AEACBB488845B3f",  # geist 3pool
+            "0xD02a30d33153877BC20e5721ee53DeDEE0422B2F",
+            3,
+            False,
+            True,
+            False,
+        ],
+    ],
+    "gnosis": [
+        [
+            "0x7f90122BF0700F9E7e1F688fe926940E8839F353",  # x3pool
+            "0x1337BedC9D22ecbe766dF105c9623922A27963EC",
+            3,
+            False,
+            False,
+            False,
+        ],
+    ],
+    "avalanche": [
+        [
+            "0x7f90122BF0700F9E7e1F688fe926940E8839F353",  # av3pool
+            "0x1337BedC9D22ecbe766dF105c9623922A27963EC",
+            3,
+            False,
+            True,
+            False,
+        ],
+        [
+            "0x16a7DA911A4DD1d83F3fF066fE28F3C792C50d90",  # aave renbtc/wbtc
+            "0xC2b1DF84112619D190193E48148000e3990Bf627",
+            2,
+            False,
+            True,
+            False,
+        ],
+    ],
+}
diff --git a/scripts/utils/__init__.py b/scripts/utils/__init__.py
index d1b5f1c..dbaa4c1 100644
--- a/scripts/utils/__init__.py
+++ b/scripts/utils/__init__.py
@@ -3,7 +3,6 @@
 
 import boa
 from boa.network import NetworkEnv
-from boa.vyper.contract import VyperContract
 from eth_account import Account
 from eth_utils import keccak
 from rich.console import Console as RichConsole
@@ -67,7 +66,7 @@ def setup_environment(console: RichConsole):
     return False
 
 
-def get_deployed_contract(contract_name: str, address: str) -> VyperContract:
+def get_deployed_contract(contract_name: str, address: str):
     """
     Loads a contract and retrieves a deployed instance of it with the given address.
     :param contract_name: The name of the contract ABI to load.