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Add a preview partial transaction & builder
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148 changes: 148 additions & 0 deletions
148
crates/radix-engine-toolkit-uniffi/src/builder/preview_partial_transaction_v2_builder.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you 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 crate::prelude::*; | ||
| use std::ops::Deref; | ||
|
|
||
| #[derive(Clone, Debug, Object)] | ||
| pub struct PreviewPartialTransactionV2Builder { | ||
| children_with_signers: Vec<PreviewPartialTransactionV2>, | ||
| root_subintent_header: Option<IntentHeaderV2>, | ||
| root_subintent_message: MessageV2, | ||
| root_subintent_manifest: Option<TransactionManifestV2>, | ||
| } | ||
|
|
||
| #[uniffi::export] | ||
| impl PreviewPartialTransactionV2Builder { | ||
| #[uniffi::constructor] | ||
| pub fn new() -> Arc<Self> { | ||
| Arc::new(Self { | ||
| children_with_signers: Default::default(), | ||
| root_subintent_header: Default::default(), | ||
| root_subintent_message: Default::default(), | ||
| root_subintent_manifest: Default::default(), | ||
| }) | ||
| } | ||
|
|
||
| pub fn add_child( | ||
| self: Arc<Self>, | ||
| child: Arc<PreviewPartialTransactionV2>, | ||
| ) -> Arc<Self> { | ||
| self.with_builder(|builder| { | ||
| builder.children_with_signers.push(child.as_ref().clone()) | ||
| }) | ||
| } | ||
|
|
||
| pub fn message(self: Arc<Self>, message: MessageV2) -> Arc<Self> { | ||
| self.with_builder(|builder| builder.root_subintent_message = message) | ||
| } | ||
|
|
||
| pub fn intent_header( | ||
| self: Arc<Self>, | ||
| intent_header: IntentHeaderV2, | ||
| ) -> Arc<Self> { | ||
| self.with_builder(|builder| { | ||
| builder.root_subintent_header = Some(intent_header) | ||
| }) | ||
| } | ||
|
|
||
| pub fn manifest( | ||
| self: Arc<Self>, | ||
| manifest: Arc<TransactionManifestV2>, | ||
| ) -> Arc<Self> { | ||
| self.with_builder(|builder| { | ||
| builder.root_subintent_manifest = Some(manifest.as_ref().clone()) | ||
| }) | ||
| } | ||
|
|
||
| pub fn prepare_for_signing( | ||
| self: Arc<Self>, | ||
| ) -> Result<Arc<PreviewPartialTransactionV2>> { | ||
| // Deconstructing the builder. | ||
| let PreviewPartialTransactionV2Builder { | ||
| children_with_signers, | ||
| root_subintent_header: Some(header), | ||
| root_subintent_message: message, | ||
| root_subintent_manifest: | ||
| Some(TransactionManifestV2 { | ||
| instructions, | ||
| blobs, | ||
| children, | ||
| }), | ||
| } = Arc::try_unwrap(self).unwrap_or_else(|x| (*x).clone()) | ||
| else { | ||
| return Err( | ||
| RadixEngineToolkitError::NotAllBuilderItemsWereSpecified, | ||
| ); | ||
| }; | ||
|
|
||
| // Constructing the partial transaction | ||
| let partial_transaction = PartialTransactionV2 { | ||
| root_subintent: SubintentV2::new(IntentCoreV2::new( | ||
| header, | ||
| blobs, | ||
| message, | ||
| children, | ||
| instructions, | ||
| )), | ||
| non_root_subintents: children_with_signers | ||
| .iter() | ||
| .flat_map(|child| { | ||
| let mut subintents = Vec::new(); | ||
| subintents | ||
| .push(child.partial_transaction.root_subintent.clone()); | ||
| subintents.extend( | ||
| child | ||
| .partial_transaction | ||
| .non_root_subintents | ||
| .iter() | ||
| .cloned(), | ||
| ); | ||
| subintents | ||
| }) | ||
| .collect(), | ||
| }; | ||
|
|
||
| // Constructing the signed partial transaction | ||
| let preview_partial_transaction = PreviewPartialTransactionV2 { | ||
| partial_transaction: Arc::new(partial_transaction), | ||
| root_subintent_signers: Default::default(), | ||
| non_root_subintent_signers: children_with_signers | ||
| .iter() | ||
| .flat_map(|child| { | ||
| let mut signers = Vec::new(); | ||
| signers.push(child.root_subintent_signers.clone()); | ||
| signers.extend(child.non_root_subintent_signers.clone()); | ||
| signers | ||
| }) | ||
| .collect(), | ||
| }; | ||
|
|
||
| Ok(Arc::new(preview_partial_transaction)) | ||
| } | ||
| } | ||
|
|
||
| impl PreviewPartialTransactionV2Builder { | ||
| fn with_builder( | ||
| self: Arc<Self>, | ||
| callback: impl FnOnce(&mut Self), | ||
| ) -> Arc<Self> { | ||
| let mut this = Arc::try_unwrap(self).unwrap_or_else(|x| (*x).clone()); | ||
| callback(&mut this); | ||
| Arc::new(this) | ||
| } | ||
| } |
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67 changes: 67 additions & 0 deletions
67
crates/radix-engine-toolkit-uniffi/src/transaction_v2/preview_partial_transaction.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you 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 crate::prelude::*; | ||
|
|
||
| #[derive(Clone, Debug, Object)] | ||
| pub struct PreviewPartialTransactionV2 { | ||
| pub partial_transaction: Arc<PartialTransactionV2>, | ||
| pub root_subintent_signers: Vec<PublicKey>, | ||
| pub non_root_subintent_signers: Vec<Vec<PublicKey>>, | ||
| } | ||
|
|
||
| #[uniffi::export] | ||
| impl PreviewPartialTransactionV2 { | ||
| #[uniffi::constructor] | ||
| pub fn new( | ||
| partial_transaction: Arc<PartialTransactionV2>, | ||
| root_subintent_signers: Vec<PublicKey>, | ||
| non_root_subintent_signers: Vec<Vec<PublicKey>>, | ||
| ) -> Arc<Self> { | ||
| Arc::new(Self { | ||
| partial_transaction, | ||
| root_subintent_signers, | ||
| non_root_subintent_signers, | ||
| }) | ||
| } | ||
|
|
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| pub fn partial_transaction(&self) -> Arc<PartialTransactionV2> { | ||
| // TODO: We're creating another pointer to the partial transaction | ||
| // object which means that this doesn't quite follow value semantics. | ||
| // The caller will have a reference to the partial transaction which | ||
| // means that any changes made to it will reflect in the object that | ||
| // they get back. This isn't the first instance of this but it's my | ||
| // first time noticing it. This might be something that we want to fix | ||
| // or look into when rearchitecting the toolkit such that it follows the | ||
| // value semantics perfectly. Perhaps even taking a step back, am I | ||
| // right about the assumption that this is now a reference and that it | ||
| // won't follow value semantics? | ||
| self.partial_transaction.clone() | ||
| } | ||
|
|
||
| pub fn root_subintent_signers(&self) -> Vec<PublicKey> { | ||
| self.root_subintent_signers.clone() | ||
| } | ||
|
|
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| pub fn non_root_subintent_signers(&self) -> Vec<Vec<PublicKey>> { | ||
| self.non_root_subintent_signers.clone() | ||
| } | ||
|
|
||
| pub fn root_subintent_hash(&self) -> Result<Arc<TransactionHash>> { | ||
| self.partial_transaction.root_subintent_hash() | ||
| } | ||
| } |