refactor: front-end type system

docs/interfaces.rst

@@ -164,7 +164,7 @@ Vyper includes common built-in interfaces such as `ERC20 <https://eips.ethereum.
 
     implements: ERC20
 
-You can see all the available built-in interfaces in the `Vyper GitHub <https://github.com/vyperlang/vyper/tree/master/vyper/builtin_interfaces>`_ repo.
+You can see all the available built-in interfaces in the `Vyper GitHub <https://github.com/vyperlang/vyper/tree/master/vyper/builtins/interfaces>`_ repo.
 
 
 Implementing an Interface

tests/functions/folding/test_abs.py → tests/builtins/folding/test_abs.py

@@ -3,7 +3,7 @@
 from hypothesis import strategies as st
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 from vyper.exceptions import OverflowException
 
 

tests/functions/folding/test_addmod_mulmod.py → tests/builtins/folding/test_addmod_mulmod.py

@@ -3,7 +3,7 @@
 from hypothesis import strategies as st
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 st_uint256 = st.integers(min_value=0, max_value=2 ** 256 - 1)
 

tests/functions/folding/test_bitwise.py → tests/builtins/folding/test_bitwise.py

@@ -3,7 +3,7 @@
 from hypothesis import strategies as st
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 st_uint256 = st.integers(min_value=0, max_value=2 ** 256 - 1)
 

tests/functions/folding/test_epsilon.py → tests/builtins/folding/test_epsilon.py

@@ -1,7 +1,7 @@
 import pytest
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 
 @pytest.mark.parametrize("typ_name", ["decimal"])

tests/functions/folding/test_floor_ceil.py → tests/builtins/folding/test_floor_ceil.py

@@ -5,7 +5,7 @@
 from hypothesis import strategies as st
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 st_decimals = st.decimals(
     min_value=-(2 ** 32), max_value=2 ** 32, allow_nan=False, allow_infinity=False, places=10

tests/functions/folding/test_fold_as_wei_value.py → tests/builtins/folding/test_fold_as_wei_value.py

@@ -3,7 +3,7 @@
 from hypothesis import strategies as st
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 denoms = [x for k in vy_fn.AsWeiValue.wei_denoms.keys() for x in k]
 

tests/functions/folding/test_keccak_sha.py → tests/builtins/folding/test_keccak_sha.py

@@ -3,7 +3,7 @@
 from hypothesis import strategies as st
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 alphabet = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&()*+,-./:;<=>?@[]^_`{|}~'  # NOQA: E501
 

tests/functions/folding/test_len.py → tests/builtins/folding/test_len.py

@@ -1,7 +1,7 @@
 import pytest
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 
 @pytest.mark.parametrize("length", [0, 1, 32, 33, 64, 65, 1024])

tests/functions/folding/test_min_max.py → tests/builtins/folding/test_min_max.py

@@ -3,7 +3,7 @@
 from hypothesis import strategies as st
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 st_decimals = st.decimals(
     min_value=-(2 ** 32), max_value=2 ** 32, allow_nan=False, allow_infinity=False, places=10

tests/functions/folding/test_powmod.py → tests/builtins/folding/test_powmod.py

@@ -3,7 +3,7 @@
 from hypothesis import strategies as st
 
 from vyper import ast as vy_ast
-from vyper import builtin_functions as vy_fn
+from vyper.builtins import functions as vy_fn
 
 st_uint256 = st.integers(min_value=0, max_value=256)