Unlicense examples

.gitlab-ci.yml

@@ -253,11 +253,12 @@ examples-fmt:
   <<:                              *docker-env
   <<:                              *test-refs
   script:
+    # Note that we disable the license header check for the examples, since they are unlicensed.
     - for example in examples/*/; do
-        cargo fmt --verbose --manifest-path ${example}/Cargo.toml -- --check;
+        cargo fmt --verbose --manifest-path ${example}/Cargo.toml -- --check --config=license_template_path="";
       done
     - for contract in ${DELEGATOR_SUBCONTRACTS}; do
-        cargo fmt --verbose --manifest-path examples/delegator/${contract}/Cargo.toml -- --check;
+        cargo fmt --verbose --manifest-path examples/delegator/${contract}/Cargo.toml -- --check --config=license_template_path="";
       done
 
 examples-clippy-std:

examples/LICENSE

@@ -0,0 +1,24 @@
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <http://unlicense.org>

examples/README.md

@@ -25,4 +25,7 @@ The `.contract` file combines the Wasm and metadata into one file and can be use
 
 ## License
 
-The entire code within this repository is licensed under the [GPL v3](LICENSE). Please [contact us](https://www.parity.io/contact/) if you have questions about the licensing of our products.
+The examples in this folder are released into the public domain.
+We hope they help you build something great with ink!.
+
+See the [LICENSE file](LICENSE) in this folder for more details.

examples/contract-terminate/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 //! A smart contract which demonstrates behavior of the `self.env().terminate()`
 //! function. It terminates itself once `terminate_me()` is called.
 

examples/contract-transfer/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 //! A smart contract which demonstrates behavior of the `self.env().transfer()` function.
 //! It transfers some of it's balance to the caller.
 

examples/delegator/accumulator/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 pub use self::accumulator::Accumulator;

examples/delegator/adder/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 pub use self::adder::Adder;

examples/delegator/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_lang as ink;

examples/delegator/subber/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 pub use self::subber::Subber;

examples/dns/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_lang as ink;

examples/erc1155/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_env::AccountId;

examples/erc20/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_lang as ink;

examples/erc721/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 //! # ERC-721
 //!
 //! This is an ERC-721 Token implementation.

examples/flipper/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_lang as ink;

examples/incrementer/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_lang as ink;

examples/multisig_plain/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 //! # Plain Multisig Wallet
 //!
 //! This implements a plain multi owner wallet.

examples/rand-extension/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_env::Environment;

examples/trait-erc20/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_lang as ink;

examples/trait-flipper/lib.rs

@@ -1,17 +1,3 @@
-// Copyright 2018-2021 Parity Technologies (UK) Ltd.
-//
-// 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.
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use ink_lang as ink;