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229 changes: 186 additions & 43 deletions LICENSE
Original file line number Diff line number Diff line change
@@ -1,58 +1,201 @@
# Licensing terms
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

This project is licensed under the terms of the Modified BSD License
(also known as New or Revised or 3-Clause BSD), as follows:
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

- Copyright (c) 2021- , PyDefi Development Team
1. Definitions.

All rights reserved.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
"Licensor" shall mean the copyright owner or entity granting the License.

1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.

2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.

3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.

## About the PyDefi Development Team
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(which shall not include communications that are conspicuously
marked or otherwise designated in writing by the copyright owner
as "Not a Contribution").

The PyDefi Development Team is the set of all contributors to the PyDefi
project and all PyDefi repositories.
"Derivative Works" shall mean any work, whether in Source or Object
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other modification shall not constitute a Derivative Work, if such work
constitutes a separate and independent work of authorship in itself.

"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control
systems, and issue tracking systems that are managed by, or on behalf
of, the Licensor for the purpose of discussing and improving the Work,
but excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution".

## Our Copyright Policy
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.

This project uses a shared copyright model. Each contributor maintains copyright
over their contributions to PyDefi. It is important to note that these
contributions are typically only changes to the repositories. Thus, the PyDefi
source code in its entirety is not the copyright of any single person or
institution. Instead, it is the collective copyright of the entire PyDefi
Development Team. If individual contributors want to maintain a record of what
changes/contributions they have specific copyright on, they should indicate
their copyright in the commit message of the change, when they commit the
change to one of the PyDefi repositories.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to use, reproduce, modify, distribute, and prepare
Derivative Works of, publicly display, publicly perform, sublicense,
and distribute the Work and such Derivative Works in Source or Object
form.

With this in mind, the following banner should be used in any source code file
to indicate the copyright and license terms:
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.

# Copyright (c) PyDefi Development Team.
# Distributed under the terms of the Modified BSD License.

4. Redistribution. You must give any other recipients of the Work or
Derivative Works a copy of this License; and You must cause any
modified files to carry prominent notices stating that You changed
the files; and You must retain, in the Source form of any Derivative
Works that You distribute, all copyright, trademark, patent,
attribution and disclaimer notices from the Source form of the Work,
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Derivative Works; and If the Work includes a "NOTICE" text file as
part of its distribution, then any Derivative Works that You distribute
must include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not pertain
to any part of the Derivative Works, in at least one of the following
places: within a NOTICE text file distributed as part of the Derivative
Works; within the Source form or documentation, if provided along
with the Derivative Works; or, within a display generated by the
Derivative Works, if and wherever such third-party notices normally
appear. The contents of the NOTICE file are for informational purposes
only and do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside or as an
addendum to the NOTICE text from the Work, provided that such additional
attribution notices cannot be construed as modifying the License.

You may add Your own copyright notice to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.

5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.

6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.

7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.

8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.

9. Accepting Warranty or Support. You may choose to offer, and to
charge a fee for, warranty, support, indemnity or other liability
obligations and/or rights consistent with this License. However, in
accepting such obligations, You may act only on Your own behalf and on
Your sole responsibility, not on behalf of any other Contributor, and
only if You agree to indemnify, defend, and hold each Contributor
harmless for any liability incurred by, or claims asserted against,
such Contributor by reason of your accepting any such warranty or support.

END OF TERMS AND CONDITIONS

APPENDIX: How to apply the Apache License to your work.

To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in comment at the
beginning of each source file for clarity.

Copyright [yyyy] [name of copyright owner]

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.


Copyright 2021 PyDefi Development Team

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
2 changes: 1 addition & 1 deletion pyproject.toml
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ requires-python = ">=3.8"
classifiers = [
"Development Status :: 3 - Alpha",
"Intended Audience :: Developers",
"License :: OSI Approved :: BSD License",
"License :: OSI Approved :: Apache Software License",
"Topic :: Scientific/Engineering :: Mathematics",
"Topic :: Office/Business :: Financial",
"Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)",
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15 changes: 13 additions & 2 deletions src/chainfix/__init__.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,16 @@
# Copyright (c) 2021 PyDefi Development Team.
# Distributed under the terms of the Modified BSD License.
# Copyright 2021 PyDefi Development Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

__version__ = '0.1.1'

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14 changes: 14 additions & 0 deletions src/chainfix/binary.py
Original file line number Diff line number Diff line change
@@ -1,3 +1,17 @@
# Copyright 2021 PyDefi Development Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from typing import Any

from chainfix.context import get_binary_context
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18 changes: 15 additions & 3 deletions src/chainfix/context.py
Original file line number Diff line number Diff line change
@@ -1,6 +1,18 @@
# Copyright (c) 2021 PyDefi Development Team.
# Distributed under the terms of the Modified BSD License.
# Some context code adapted from DecimalL
# Copyright 2021 PyDefi Development Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Some context code adapted from Python's decimal module
# Copyright (c) 2004 Python Software Foundation.

from enum import Enum
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15 changes: 13 additions & 2 deletions src/chainfix/decimal.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,16 @@
# Copyright (c) 2021 PyDefi Development Team.
# Distributed under the terms of the Modified BSD License.
# Copyright 2021 PyDefi Development Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from typing import Any

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15 changes: 13 additions & 2 deletions src/chainfix/fixed_point.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,16 @@
# Copyright (c) 2021 PyDefi Development Team.
# Distributed under the terms of the Modified BSD License.
# Copyright 2021 PyDefi Development Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import math
from fractions import Fraction
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15 changes: 13 additions & 2 deletions src/chainfix/helpers.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,16 @@
# Copyright (c) 2021 PyDefi Development Team.
# Distributed under the terms of the Modified BSD License.
# Copyright 2021 PyDefi Development Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from typing import Any

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15 changes: 13 additions & 2 deletions tests/test_fix.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,16 @@
# Copyright (c) 2021 PyDefi Development Team.
# Distributed under the terms of the Modified BSD License.
# Copyright 2021 PyDefi Development Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import pytest

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