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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| // Deterministic bitcoin commitments library. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Written in 2019-2023 by | ||
| // Dr Maxim Orlovsky <[email protected]> | ||
| // | ||
| // Copyright (C) 2019-2023 LNP/BP Standards Association. All rights reserved. | ||
| // | ||
| // 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. | ||
|
|
||
| use bc::opcodes::OP_RETURN; | ||
| use bc::ScriptPubkey; | ||
| use commit_verify::mpc::Commitment; | ||
| use commit_verify::{EmbedCommitProof, EmbedCommitVerify, EmbedVerifyError}; | ||
|
|
||
| use crate::opret::{Opret, OpretError, OpretProof}; | ||
|
|
||
| impl EmbedCommitProof<Commitment, ScriptPubkey, Opret> for OpretProof { | ||
| fn restore_original_container( | ||
| &self, | ||
| commit_container: &ScriptPubkey, | ||
| ) -> Result<ScriptPubkey, EmbedVerifyError<OpretError>> { | ||
| if !commit_container.is_op_return() { | ||
| return Err(OpretError::NoOpretOutput.into()); | ||
| } | ||
| if commit_container.len() != 34 { | ||
| return Err(OpretError::InvalidOpretScript.into()); | ||
| } | ||
| Ok(ScriptPubkey::from_unsafe(vec![OP_RETURN])) | ||
| } | ||
| } | ||
|
|
||
| impl EmbedCommitVerify<Commitment, Opret> for ScriptPubkey { | ||
| type Proof = OpretProof; | ||
| type CommitError = OpretError; | ||
|
|
||
| fn embed_commit(&mut self, msg: &Commitment) -> Result<Self::Proof, Self::CommitError> { | ||
| if !self.is_op_return() { | ||
| return Err(OpretError::NoOpretOutput); | ||
| } | ||
| if self.len() != 1 { | ||
| return Err(OpretError::InvalidOpretScript); | ||
| } | ||
| *self = ScriptPubkey::op_return(msg.as_slice()); | ||
| Ok(OpretProof::default()) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // Deterministic bitcoin commitments library. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Written in 2019-2023 by | ||
| // Dr Maxim Orlovsky <[email protected]> | ||
| // | ||
| // Copyright (C) 2019-2023 LNP/BP Standards Association. All rights reserved. | ||
| // | ||
| // 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. | ||
|
|
||
| use bc::Tx; | ||
| use commit_verify::mpc::Commitment; | ||
| use commit_verify::{EmbedCommitProof, EmbedCommitVerify, EmbedVerifyError}; | ||
|
|
||
| use super::{Opret, OpretError, OpretProof}; | ||
|
|
||
| impl EmbedCommitProof<Commitment, Tx, Opret> for OpretProof { | ||
| fn restore_original_container( | ||
| &self, | ||
| commit_container: &Tx, | ||
| ) -> Result<Tx, EmbedVerifyError<OpretError>> { | ||
| let mut tx = commit_container.clone(); | ||
| for txout in &mut tx.outputs { | ||
| if txout.script_pubkey.is_op_return() { | ||
| *txout = self.restore_original_container(txout)?; | ||
| return Ok(tx); | ||
| } | ||
| } | ||
| Err(OpretError::NoOpretOutput.into()) | ||
| } | ||
| } | ||
|
|
||
| impl EmbedCommitVerify<Commitment, Opret> for Tx { | ||
| type Proof = OpretProof; | ||
| type CommitError = OpretError; | ||
|
|
||
| fn embed_commit(&mut self, msg: &Commitment) -> Result<Self::Proof, Self::CommitError> { | ||
| for txout in &mut self.outputs { | ||
| if txout.script_pubkey.is_op_return() { | ||
| return txout.script_pubkey.embed_commit(msg); | ||
| } | ||
| } | ||
| Err(OpretError::NoOpretOutput) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // Deterministic bitcoin commitments library. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Written in 2019-2023 by | ||
| // Dr Maxim Orlovsky <[email protected]> | ||
| // | ||
| // Copyright (C) 2019-2023 LNP/BP Standards Association. All rights reserved. | ||
| // | ||
| // 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. | ||
|
|
||
| use bc::TxOut; | ||
| use commit_verify::mpc::Commitment; | ||
| use commit_verify::{EmbedCommitProof, EmbedCommitVerify, EmbedVerifyError}; | ||
|
|
||
| use crate::opret::{Opret, OpretError, OpretProof}; | ||
|
|
||
| impl EmbedCommitProof<Commitment, TxOut, Opret> for OpretProof { | ||
| fn restore_original_container( | ||
| &self, | ||
| commit_container: &TxOut, | ||
| ) -> Result<TxOut, EmbedVerifyError<OpretError>> { | ||
| let mut txout = commit_container.clone(); | ||
| txout.script_pubkey = self.restore_original_container(&txout.script_pubkey)?; | ||
| Ok(txout) | ||
| } | ||
| } | ||
|
|
||
| impl EmbedCommitVerify<Commitment, Opret> for TxOut { | ||
| type Proof = OpretProof; | ||
| type CommitError = OpretError; | ||
|
|
||
| fn embed_commit(&mut self, msg: &Commitment) -> Result<Self::Proof, Self::CommitError> { | ||
| self.script_pubkey.embed_commit(msg) | ||
| } | ||
| } |
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