diff --git a/tests/fixtures/factory.py b/tests/fixtures/factory.py
index cec26d32..64cca17a 100644
--- a/tests/fixtures/factory.py
+++ b/tests/fixtures/factory.py
@@ -5,7 +5,7 @@
 @pytest.fixture(scope="module")
 def math_contract(deployer):
     with boa.env.prank(deployer):
-        return boa.load("contracts/main/CurveCryptoMathOptimized2.vy")
+        return boa.load("contracts/main/TwocryptoMath.vy")
 
 
 @pytest.fixture(scope="module")
@@ -21,7 +21,7 @@ def gauge_implementation(deployer, gauge_interface):
 
 @pytest.fixture(scope="module")
 def amm_interface():
-    return boa.load_partial("contracts/main/CurveTwocryptoOptimized.vy")
+    return boa.load_partial("contracts/main/Twocrypto.vy")
 
 
 @pytest.fixture(scope="module")
@@ -33,7 +33,7 @@ def amm_implementation(deployer, amm_interface):
 @pytest.fixture(scope="module")
 def views_contract(deployer):
     with boa.env.prank(deployer):
-        return boa.load("contracts/main/CurveCryptoViews2Optimized.vy")
+        return boa.load("contracts/main/TwocryptoView.vy")
 
 
 @pytest.fixture(scope="module")
@@ -47,7 +47,7 @@ def factory(
     views_contract,
 ):
     with boa.env.prank(deployer):
-        factory = boa.load("contracts/main/CurveTwocryptoFactory.vy")
+        factory = boa.load("contracts/main/TwocryptoFactory.vy")
         factory.initialise_ownership(fee_receiver, owner)
 
     with boa.env.prank(owner):
diff --git a/tests/unitary/factory/test_deploy_pool.py b/tests/unitary/factory/test_deploy_pool.py
index 6bec5c04..56f889f9 100644
--- a/tests/unitary/factory/test_deploy_pool.py
+++ b/tests/unitary/factory/test_deploy_pool.py
@@ -8,7 +8,7 @@
 def empty_factory(deployer, fee_receiver, owner):
     with boa.env.prank(deployer):
         factory = boa.load(
-            "contracts/main/CurveTwocryptoFactory.vy",
+            "contracts/main/TwocryptoFactory.vy",
         )
 
     assert factory.admin() == ZERO_ADDRESS
@@ -31,7 +31,7 @@ def test_deployer_cannot_set_ownership_twice(empty_factory, deployer):
 def test_nondeployer_cannot_set_ownership(deployer):
     with boa.env.prank(deployer):
         factory = boa.load(
-            "contracts/main/CurveTwocryptoFactory.vy",
+            "contracts/main/TwocryptoFactory.vy",
         )
 
     with boa.env.prank(boa.env.generate_address()), boa.reverts():
diff --git a/tests/unitary/math/conftest.py b/tests/unitary/math/conftest.py
index 64bcd4b4..2d9981b7 100644
--- a/tests/unitary/math/conftest.py
+++ b/tests/unitary/math/conftest.py
@@ -5,7 +5,7 @@
 @pytest.fixture(scope="module")
 def math_optimized(deployer):
     with boa.env.prank(deployer):
-        return boa.load("contracts/main/CurveCryptoMathOptimized2.vy")
+        return boa.load("contracts/main/TwocryptoMath.vy")
 
 
 @pytest.fixture(scope="module")
diff --git a/tests/unitary/math/contracts/newton_y_exposed.vy b/tests/unitary/math/contracts/newton_y_exposed.vy
index 1dcf36d7..bc754a31 100644
--- a/tests/unitary/math/contracts/newton_y_exposed.vy
+++ b/tests/unitary/math/contracts/newton_y_exposed.vy
@@ -1,3 +1,4 @@
+# pragma version ~=0.4.0
 # Minimized version of the math contracts that expose some inner details of newton_y for testing purposes:
 # - Additionally to the final value it also returns the number of iterations it took to find the value.
 # From commit: 6dec22f6956cc04fb865d93c1e521f146e066cab
@@ -8,7 +9,7 @@ A_MULTIPLIER: constant(uint256) = 10000
 MIN_GAMMA: constant(uint256) = 10**10
 MAX_GAMMA: constant(uint256) = 3 * 10**17
 
-MIN_A: constant(uint256) = N_COINS**N_COINS * A_MULTIPLIER / 10
+MIN_A: constant(uint256) = N_COINS**N_COINS * A_MULTIPLIER // 10
 MAX_A: constant(uint256) = N_COINS**N_COINS * A_MULTIPLIER * 1000
 
 @internal
@@ -21,17 +22,17 @@ def _newton_y(ANN: uint256, gamma: uint256, x: uint256[N_COINS], D: uint256, i:
     """
 
     x_j: uint256 = x[1 - i]
-    y: uint256 = D**2 / (x_j * N_COINS**2)
-    K0_i: uint256 = (10**18 * N_COINS) * x_j / D
+    y: uint256 = D**2 // (x_j * N_COINS**2)
+    K0_i: uint256 = (10**18 * N_COINS) * x_j // D
 
     assert (K0_i >= unsafe_div(10**36, lim_mul)) and (K0_i <= lim_mul)  # dev: unsafe values x[i]
 
-    convergence_limit: uint256 = max(max(x_j / 10**14, D / 10**14), 100)
+    convergence_limit: uint256 = max(max(x_j // 10**14, D // 10**14), 100)
 
-    for j in range(255):
+    for j: uint256 in range(255):
         y_prev: uint256 = y
 
-        K0: uint256 = K0_i * y * N_COINS / D
+        K0: uint256 = K0_i * y * N_COINS // D
         S: uint256 = x_j + y
 
         _g1k0: uint256 = gamma + 10**18
@@ -41,28 +42,28 @@ def _newton_y(ANN: uint256, gamma: uint256, x: uint256[N_COINS], D: uint256, i:
             _g1k0 = K0 - _g1k0 + 1
 
         # D / (A * N**N) * _g1k0**2 / gamma**2
-        mul1: uint256 = 10**18 * D / gamma * _g1k0 / gamma * _g1k0 * A_MULTIPLIER / ANN
+        mul1: uint256 = 10**18 * D // gamma * _g1k0 // gamma * _g1k0 * A_MULTIPLIER // ANN
 
         # 2*K0 / _g1k0
-        mul2: uint256 = 10**18 + (2 * 10**18) * K0 / _g1k0
+        mul2: uint256 = 10**18 + (2 * 10**18) * K0 // _g1k0
 
         yfprime: uint256 = 10**18 * y + S * mul2 + mul1
         _dyfprime: uint256 = D * mul2
         if yfprime < _dyfprime:
-            y = y_prev / 2
+            y = y_prev // 2
             continue
         else:
             yfprime -= _dyfprime
-        fprime: uint256 = yfprime / y
+        fprime: uint256 = yfprime // y
 
-        # y -= f / f_prime;  y = (y * fprime - f) / fprime
+        # y -= f // f_prime;  y = (y * fprime - f) // fprime
         # y = (yfprime + 10**18 * D - 10**18 * S) // fprime + mul1 // fprime * (10**18 - K0) // K0
-        y_minus: uint256 = mul1 / fprime
-        y_plus: uint256 = (yfprime + 10**18 * D) / fprime + y_minus * 10**18 / K0
-        y_minus += 10**18 * S / fprime
+        y_minus: uint256 = mul1 // fprime
+        y_plus: uint256 = (yfprime + 10**18 * D) // fprime + y_minus * 10**18 // K0
+        y_minus += 10**18 * S // fprime
 
         if y_plus < y_minus:
-            y = y_prev / 2
+            y = y_prev // 2
         else:
             y = y_plus - y_minus
 
@@ -72,7 +73,7 @@ def _newton_y(ANN: uint256, gamma: uint256, x: uint256[N_COINS], D: uint256, i:
         else:
             diff = y_prev - y
 
-        if diff < max(convergence_limit, y / 10**14):
+        if diff < max(convergence_limit, y // 10**14):
             return y, j
 
     raise "Did not converge"
diff --git a/tests/unitary/math/test_get_p.py b/tests/unitary/math/test_get_p.py
index fd70f2d3..671d67b4 100644
--- a/tests/unitary/math/test_get_p.py
+++ b/tests/unitary/math/test_get_p.py
@@ -25,16 +25,16 @@ def get_p(
 
     assert _D > 10**17 - 1 and _D < 10**15 * 10**18 + 1  # dev: unsafe D values
 
-    K0: uint256 = 4 * _xp[0] * _xp[1] / _D * 10**36 / _D
+    K0: uint256 = 4 * _xp[0] * _xp[1] // _D * 10**36 // _D
     GK0: uint256  = (
-        2 * K0 * K0 / 10**36 * K0 / 10**36
+        2 * K0 * K0 // 10**36 * K0 // 10**36
         + (_A_gamma[1] + 10**18)**2
-        - K0**2 / 10**36 * (2 * _A_gamma[1] + 3 * 10**18) / 10**18
+        - K0**2 // 10**36 * (2 * _A_gamma[1] + 3 * 10**18) // 10**18
     )
-    NNAG2: uint256 = _A_gamma[0] * _A_gamma[1]**2 / A_MULTIPLIER
-    denominator: uint256 = GK0 + NNAG2 * _xp[0] / _D * K0 / 10**36
-    numerator: uint256 = _xp[0] * ( GK0 + NNAG2 * _xp[1] / _D * K0 / 10**36 ) / _xp[1]
-    return numerator * 10**18 / denominator
+    NNAG2: uint256 = _A_gamma[0] * _A_gamma[1]**2 // A_MULTIPLIER
+    denominator: uint256 = GK0 + NNAG2 * _xp[0] // _D * K0 // 10**36
+    numerator: uint256 = _xp[0] * ( GK0 + NNAG2 * _xp[1] // _D * K0 // 10**36 ) // _xp[1]
+    return numerator * 10**18 // denominator
 """
     return boa.loads(get_price_impl)
 
diff --git a/tests/unitary/math/test_get_y.py b/tests/unitary/math/test_get_y.py
index 88e9215d..9bf9cb66 100644
--- a/tests/unitary/math/test_get_y.py
+++ b/tests/unitary/math/test_get_y.py
@@ -80,7 +80,7 @@ def calculate_F_by_y0(y0):
     except Exception as e:
         event("hit unsafe for unoptimizied")
         if "unsafe value" in str(e):
-            assert "gamma" not in str(e)
+            assert "unsafe value for gamma" not in str(e)
             assert gamma > 2 * 10**16
             return
         else:  # Did not converge?
diff --git a/tests/unitary/pool/admin/test_revert_commit_params.py b/tests/unitary/pool/admin/test_revert_commit_params.py
index 093982f1..df5e6ab9 100644
--- a/tests/unitary/pool/admin/test_revert_commit_params.py
+++ b/tests/unitary/pool/admin/test_revert_commit_params.py
@@ -29,8 +29,8 @@ def test_commit_incorrect_fee_params(swap, factory_admin, params):
         p["mid_fee"] = params["mid_fee"]
         p["out_fee"] = 10**10 + 1  # <-- MAX_FEE
         _apply_new_params(swap, p)
-        logs = swap.get_logs()[0]
-        assert logs.args[1] == params["out_fee"]
+        log = swap.get_logs()[0]
+        assert log.out_fee == params["out_fee"]
 
 
 def test_commit_incorrect_fee_gamma(swap, factory_admin, params):
@@ -45,7 +45,7 @@ def test_commit_incorrect_fee_gamma(swap, factory_admin, params):
         _apply_new_params(swap, p)
 
     # it will not change fee_gamma as it is above 10**18
-    assert swap.get_logs()[0].args[2] == params["fee_gamma"]
+    assert swap.get_logs()[0].fee_gamma == params["fee_gamma"]
 
 
 def test_commit_rebalancing_params(swap, factory_admin, params):
@@ -60,9 +60,9 @@ def test_commit_rebalancing_params(swap, factory_admin, params):
             logs = swap.get_logs()[0]
 
             # values revert to contract's storage values:
-            assert logs.args[3] == params["allowed_extra_profit"]
-            assert logs.args[4] == params["adjustment_step"]
-            assert logs.args[5] == params["ma_time"]
+            assert logs.allowed_extra_profit == params["allowed_extra_profit"]
+            assert logs.adjustment_step == params["adjustment_step"]
+            assert logs.ma_time == params["ma_time"]
 
         with boa.reverts("MA time should be longer than 60/ln(2)"):
             p["ma_time"] = 86
diff --git a/tests/unitary/pool/stateful/stateful_base.py b/tests/unitary/pool/stateful/stateful_base.py
index 4ca31d5c..483856b1 100644
--- a/tests/unitary/pool/stateful/stateful_base.py
+++ b/tests/unitary/pool/stateful/stateful_base.py
@@ -12,7 +12,7 @@
 )
 from hypothesis.strategies import integers
 
-from contracts.main import CurveTwocryptoFactory as factory
+from contracts.main import TwocryptoFactory as factory
 from contracts.mocks import ERC20Mock as ERC20
 from tests.utils.constants import UNIX_DAY
 from tests.utils.strategies import address, pool_from_preset
diff --git a/tests/unitary/pool/test_deposit_withdraw.py b/tests/unitary/pool/test_deposit_withdraw.py
index 93a5c05d..62706f3d 100644
--- a/tests/unitary/pool/test_deposit_withdraw.py
+++ b/tests/unitary/pool/test_deposit_withdraw.py
@@ -272,7 +272,7 @@ def test_immediate_withdraw_one(
 
             logs = swap_with_deposit.get_logs()
             for log in logs:
-                if log.event_type.name == "ClaimAdminFee":
+                if type(log).__name__ == "ClaimAdminFee":
                     claimed_fees = log.args[0]
 
         except Exception:
diff --git a/tests/unitary/pool/token/conftest.py b/tests/unitary/pool/token/conftest.py
deleted file mode 100644
index 95ae53f2..00000000
--- a/tests/unitary/pool/token/conftest.py
+++ /dev/null
@@ -1,55 +0,0 @@
-from copy import deepcopy
-
-import boa
-import pytest
-from eth_account import Account as EthAccount
-from eth_account._utils.structured_data.hashing import (
-    hash_domain,
-    hash_message,
-)
-from eth_account.messages import SignableMessage
-from hexbytes import HexBytes
-
-
-@pytest.fixture(scope="module")
-def sign_permit():
-    def _sign_permit(swap, owner, spender, value, deadline):
-        PERMIT_STRUCT = {
-            "types": {
-                "EIP712Domain": [
-                    {"name": "name", "type": "string"},
-                    {"name": "version", "type": "string"},
-                    {"name": "chainId", "type": "uint256"},
-                    {"name": "verifyingContract", "type": "address"},
-                    {"name": "salt", "type": "bytes32"},
-                ],
-                "Permit": [
-                    {"name": "owner", "type": "address"},
-                    {"name": "spender", "type": "address"},
-                    {"name": "value", "type": "uint256"},
-                    {"name": "nonce", "type": "uint256"},
-                    {"name": "deadline", "type": "uint256"},
-                ],
-            },
-            "primaryType": "Permit",
-        }
-
-        struct = deepcopy(PERMIT_STRUCT)
-        struct["domain"] = dict(
-            name=swap.name(),
-            version=swap.version(),
-            chainId=boa.env.evm.patch.chain_id,
-            verifyingContract=swap.address,
-            salt=HexBytes(swap.salt()),
-        )
-        struct["message"] = dict(
-            owner=owner.address,
-            spender=spender,
-            value=value,
-            nonce=swap.nonces(owner.address),
-            deadline=deadline,
-        )
-        signable_message = SignableMessage(b"\x01", hash_domain(struct), hash_message(struct))
-        return EthAccount.sign_message(signable_message, owner._private_key)
-
-    return _sign_permit
diff --git a/tests/unitary/pool/token/test_approve.py b/tests/unitary/pool/token/test_approve.py
index 30dcadbe..3c481f56 100644
--- a/tests/unitary/pool/token/test_approve.py
+++ b/tests/unitary/pool/token/test_approve.py
@@ -59,10 +59,10 @@ def test_approval_event_fires(swap, alice, bob):
     logs = swap.get_logs()
 
     assert len(logs) == 1
-    assert logs[0].event_type.name == "Approval"
-    assert logs[0].topics[0].lower() == alice.lower()
-    assert logs[0].topics[1].lower() == bob.lower()
-    assert logs[0].args[0] == 10**19
+    assert type(logs[0]).__name__ == "Approval"
+    assert logs[0].owner.lower() == alice.lower()
+    assert logs[0].spender.lower() == bob.lower()
+    assert logs[0].value == 10**19
 
 
 def test_infinite_approval(swap, alice, bob):
diff --git a/tests/unitary/pool/token/test_permit.py b/tests/unitary/pool/token/test_permit.py
deleted file mode 100644
index d2f9673d..00000000
--- a/tests/unitary/pool/token/test_permit.py
+++ /dev/null
@@ -1,90 +0,0 @@
-import boa
-from hexbytes import HexBytes
-
-ZERO_ADDRESS = "0x0000000000000000000000000000000000000000"
-
-
-# tests inspired by:
-# https://github.com/yearn/yearn-vaults/blob/master/tests/functional/vault/test_permit.py  # noqa: E501
-# https://github.com/curvefi/curve-stablecoin/blob/5b6708138d82419917328e8042f3857eac034796/tests/stablecoin/test_approve.py  # noqa: E501
-
-
-def test_permit_success(eth_acc, bob, swap, sign_permit):
-    value = 2**256 - 1
-    deadline = boa.env.evm.patch.timestamp + 600
-
-    sig = sign_permit(
-        swap=swap,
-        owner=eth_acc,
-        spender=bob,
-        value=value,
-        deadline=deadline,
-    )
-
-    assert swap.allowance(eth_acc.address, bob) == 0
-    with boa.env.prank(bob):
-        assert swap.permit(
-            eth_acc.address,
-            bob,
-            value,
-            deadline,
-            sig.v,
-            HexBytes(sig.r),
-            HexBytes(sig.s),
-        )
-
-    logs = swap.get_logs()
-
-    assert swap.allowance(eth_acc.address, bob) == value
-    assert len(logs) == 1
-    assert swap.nonces(eth_acc.address) == 1
-    assert logs[0].event_type.name == "Approval"
-    assert logs[0].topics[0].lower() == eth_acc.address.lower()
-    assert logs[0].topics[1].lower() == bob.lower()
-    assert logs[0].args[0] == value
-
-
-def test_permit_reverts_owner_is_invalid(bob, swap):
-    with boa.reverts(dev="invalid owner"), boa.env.prank(bob):
-        swap.permit(
-            ZERO_ADDRESS,
-            bob,
-            2**256 - 1,
-            boa.env.evm.patch.timestamp + 600,
-            27,
-            b"\x00" * 32,
-            b"\x00" * 32,
-        )
-
-
-def test_permit_reverts_deadline_is_invalid(bob, swap):
-    with boa.reverts(dev="permit expired"), boa.env.prank(bob):
-        swap.permit(
-            bob,
-            bob,
-            2**256 - 1,
-            boa.env.evm.patch.timestamp - 600,
-            27,
-            b"\x00" * 32,
-            b"\x00" * 32,
-        )
-
-
-def test_permit_reverts_signature_is_invalid(bob, swap):
-    with boa.reverts(dev="invalid signature"), boa.env.prank(bob):
-        swap.permit(
-            bob,
-            bob,
-            2**256 - 1,
-            boa.env.evm.patch.timestamp + 600,
-            27,
-            b"\x00" * 32,
-            b"\x00" * 32,
-        )
-
-
-def test_domain_separator_updates_when_chain_id_updates(swap):
-    domain_separator = swap.DOMAIN_SEPARATOR()
-    with boa.env.anchor():
-        boa.env.evm.patch.chain_id = 42
-        assert domain_separator != swap.DOMAIN_SEPARATOR()
diff --git a/tests/unitary/pool/token/test_transfer.py b/tests/unitary/pool/token/test_transfer.py
index 4cbdb48f..323aec78 100644
--- a/tests/unitary/pool/token/test_transfer.py
+++ b/tests/unitary/pool/token/test_transfer.py
@@ -85,7 +85,8 @@ def test_transfer_event_fires(loaded_alice, bob, swap):
     logs = swap.get_logs()
 
     assert len(logs) == 1
-    assert logs[0].event_type.name == "Transfer"
-    assert logs[0].args[0] == amount
-    assert logs[0].topics[0].lower() == loaded_alice.lower()
-    assert logs[0].topics[1].lower() == bob.lower()
+    assert type(logs[0]).__name__ == "Transfer"
+    print(logs[0])
+    assert logs[0].value == amount
+    assert logs[0].sender.lower() == loaded_alice.lower()
+    assert logs[0].receiver.lower() == bob.lower()
diff --git a/tests/unitary/pool/token/test_transferFrom.py b/tests/unitary/pool/token/test_transferFrom.py
index 56f1f381..72d55bf6 100644
--- a/tests/unitary/pool/token/test_transferFrom.py
+++ b/tests/unitary/pool/token/test_transferFrom.py
@@ -197,12 +197,14 @@ def test_transfer_event_fires(loaded_alice, bob, charlie, swap):
     logs = swap.get_logs()
 
     assert len(logs) == 2
-    assert logs[0].event_type.name == "Approval"
-    assert logs[0].args[0] == 0  # since everything got transferred
-    assert logs[0].topics[0].lower() == loaded_alice.lower()
-    assert logs[0].topics[1].lower() == bob.lower()
-
-    assert logs[1].event_type.name == "Transfer"
-    assert logs[1].args[0] == amount
-    assert logs[1].topics[0].lower() == loaded_alice.lower()
-    assert logs[1].topics[1].lower() == charlie.lower()
+    assert type(logs[0]).__name__ == "Approval"
+    print(logs[0])
+    assert logs[0].value == 0  # since everything got transferred
+    assert logs[0].owner.lower() == loaded_alice.lower()
+    assert logs[0].spender.lower() == bob.lower()
+
+    print(logs[1])
+    assert type(logs[1]).__name__ == "Transfer"
+    assert logs[1].value == amount
+    assert logs[1].sender.lower() == loaded_alice.lower()
+    assert logs[1].receiver.lower() == charlie.lower()
diff --git a/tests/utils/constants.py b/tests/utils/constants.py
index f841a02f..d46b1207 100644
--- a/tests/utils/constants.py
+++ b/tests/utils/constants.py
@@ -22,3 +22,5 @@
 
 MIN_FEE = 5 * 10**5
 MAX_FEE = 10 * 10**9
+
+MIN_RAMP_TIME = 86400
diff --git a/tests/utils/strategies.py b/tests/utils/strategies.py
index 2da6ba45..e842a166 100644
--- a/tests/utils/strategies.py
+++ b/tests/utils/strategies.py
@@ -10,10 +10,10 @@
 from hypothesis.strategies import composite, integers, just, sampled_from
 
 # compiling contracts
-from contracts.main import CurveCryptoMathOptimized2 as math_deployer
-from contracts.main import CurveCryptoViews2Optimized as view_deployer
-from contracts.main import CurveTwocryptoFactory as factory_deployer
-from contracts.main import CurveTwocryptoOptimized as amm_deployer
+from contracts.main import TwocryptoMath as math_deployer
+from contracts.main import TwocryptoView as view_deployer
+from contracts.main import TwocryptoFactory as factory_deployer
+from contracts.main import Twocrypto as amm_deployer
 from contracts.main import LiquidityGauge as gauge_deployer
 from tests.utils.constants import (
     MAX_A,
diff --git a/uv.lock b/uv.lock
index 1d9159ef..53eb5c75 100644
--- a/uv.lock
+++ b/uv.lock
@@ -841,19 +841,19 @@ wheels = [
 
 [[package]]
 name = "jupyter"
-version = "1.1.1"
+version = "1.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "ipykernel" },
     { name = "ipywidgets" },
     { name = "jupyter-console" },
-    { name = "jupyterlab" },
     { name = "nbconvert" },
     { name = "notebook" },
+    { name = "qtconsole" },
 ]
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