refactor(wasm): modularize wasm crate logic

crates/wasm/Cargo.toml

@@ -49,4 +49,7 @@ web-sys                  = { version = "0.3.64", features = ["console"] }
 
 [dev-dependencies]
 wasm-bindgen-test        = "0.3.37"
-serde_json               = "1.0.107"
+serde_json               = "1.0.107"
+
+[profile.release]
+lto = true

crates/wasm/publish/package.json

@@ -12,9 +12,9 @@
     "wasm-pack": "^0.12.1"
   },
   "devDependencies": {
-    "@types/node": "^20.5.6",
+    "@types/node": "^20.9.4",
+    "prettier": "^3.0.2",
     "tsx": "^3.12.7",
-    "typescript": "^5.2.2",
-    "prettier": "^3.0.2"
+    "typescript": "^5.2.2"
   }
 }

crates/wasm/publish/run.ts

@@ -1,6 +1,6 @@
 import path from 'path';
 import { execSync } from 'child_process';
-import { readFileSync, writeFileSync } from 'fs';
+import { copyFileSync, existsSync, mkdirSync, readFileSync, writeFileSync } from 'fs';
 
 const TARGETS = ['web', 'nodejs', 'bundler'];
 
@@ -13,9 +13,42 @@ TARGETS.forEach(target => {
     },
   );
 
+  if (target === 'bundler') {
+    // Copy binary files to the package directory
+    const binaryDir = path.join(process.cwd(), '../../crypto/proof-params/src/gen/');
+    const targetPackageDir = path.join(process.cwd(), `${target}`);
+
+    // Ensure the target binary directory exists
+    if (existsSync(binaryDir)) {
+      const targetBinaryDir = path.join(targetPackageDir, 'bin');
+      if (!existsSync(targetBinaryDir)) {
+        mkdirSync(targetBinaryDir);
+      }
+
+      // Copy binary files to the package directory
+      const binaryFiles = [
+        'delegator_vote_pk.bin', 
+        'nullifier_derivation_pk.bin',
+        'output_pk.bin',
+        'spend_pk.bin',
+        'swap_pk.bin',
+        'swapclaim_pk.bin',
+        'undelegateclaim_pk.bin'
+      ]; 
+      binaryFiles.forEach(file => {
+        const sourcePath = path.join(binaryDir, file);
+        const targetPath = path.join(targetBinaryDir, file);
+        copyFileSync(sourcePath, targetPath);
+      });
+    }
+  }
+
   // Rename package to target-specific names
   const packageJsonPath = path.join(process.cwd(), `${target}/package.json`);
   const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf-8'));
+  if (!packageJson.files.includes('bin')) {
+    packageJson.files.push('bin');
+  }
   packageJson.name = `@penumbra-zone/wasm-${target}`;
   writeFileSync(packageJsonPath, JSON.stringify(packageJson, null, 2), 'utf-8');
 

crates/wasm/src/build.rs

@@ -0,0 +1,107 @@
+use crate::error::WasmResult;
+use anyhow::Context;
+use std::str::FromStr;
+use wasm_bindgen::prelude::wasm_bindgen;
+use wasm_bindgen::JsValue;
+
+use crate::utils;
+use penumbra_keys::FullViewingKey;
+use penumbra_proto::core::transaction::v1alpha1 as pb;
+use penumbra_transaction::{action::Action, plan::ActionPlan, plan::TransactionPlan, WitnessData};
+
+/// Builds a planned [`Action`] specified by
+/// the [`ActionPlan`] in a [`TransactionPlan`].
+/// Arguments:
+///     transaction_plan: `TransactionPlan`
+///     action_plan: `ActionPlan`
+///     full_viewing_key: `bech32m String`,
+///     witness_data: `WitnessData``
+/// Returns: `Action`
+#[wasm_bindgen]
+pub fn build_action(
+    transaction_plan: JsValue,
+    action_plan: JsValue,
+    full_viewing_key: &str,
+    witness_data: JsValue,
+) -> WasmResult<JsValue> {
+    utils::set_panic_hook();
+
+    let transaction_plan: TransactionPlan =
+        serde_wasm_bindgen::from_value(transaction_plan.clone())?;
+
+    let witness_data_proto: pb::WitnessData = serde_wasm_bindgen::from_value(witness_data)?;
+    let witness_data: WitnessData = witness_data_proto.try_into()?;
+
+    let action_plan: ActionPlan = serde_wasm_bindgen::from_value(action_plan)?;
+
+    let full_viewing_key: FullViewingKey = FullViewingKey::from_str(full_viewing_key)?;
+
+    let memo_key = transaction_plan.memo_plan.map(|memo_plan| memo_plan.key);
+
+    let action = match action_plan {
+        ActionPlan::Spend(spend_plan) => {
+            let spend = ActionPlan::Spend(spend_plan);
+            Some(spend.build_unauth(&full_viewing_key, &witness_data, memo_key)?)
+        }
+        ActionPlan::Output(output_plan) => {
+            let output = ActionPlan::Output(output_plan);
+            Some(output.build_unauth(&full_viewing_key, &witness_data, memo_key)?)
+        }
+
+        // TODO: Other action variants besides 'Spend' and 'Output' still require testing.
+        ActionPlan::Swap(swap_plan) => {
+            let swap = ActionPlan::Swap(swap_plan);
+            Some(swap.build_unauth(&full_viewing_key, &witness_data, memo_key)?)
+        }
+        ActionPlan::SwapClaim(swap_claim_plan) => {
+            let swap_claim = ActionPlan::SwapClaim(swap_claim_plan);
+            Some(swap_claim.build_unauth(&full_viewing_key, &witness_data, memo_key)?)
+        }
+        ActionPlan::Delegate(delegation) => Some(Action::Delegate(delegation)),
+        ActionPlan::Undelegate(undelegation) => Some(Action::Undelegate(undelegation)),
+        ActionPlan::UndelegateClaim(undelegate_claim) => {
+            let undelegate_claim = undelegate_claim.undelegate_claim();
+            Some(Action::UndelegateClaim(undelegate_claim))
+        }
+        ActionPlan::ProposalSubmit(proposal_submit) => {
+            Some(Action::ProposalSubmit(proposal_submit))
+        }
+        ActionPlan::ProposalWithdraw(proposal_withdraw) => {
+            Some(Action::ProposalWithdraw(proposal_withdraw))
+        }
+        ActionPlan::ValidatorVote(validator_vote) => Some(Action::ValidatorVote(validator_vote)),
+        ActionPlan::DelegatorVote(delegator_vote) => {
+            let note_commitment = delegator_vote.staked_note.commit();
+            let auth_path = witness_data
+                .state_commitment_proofs
+                .get(&note_commitment)
+                .context(format!("could not get proof for {note_commitment:?}"))?;
+
+            Some(Action::DelegatorVote(delegator_vote.delegator_vote(
+                &full_viewing_key,
+                [0; 64].into(),
+                auth_path.clone(),
+            )))
+        }
+        ActionPlan::ProposalDepositClaim(proposal_deposit_claim) => {
+            Some(Action::ProposalDepositClaim(proposal_deposit_claim))
+        }
+        ActionPlan::ValidatorDefinition(validator_definition) => {
+            Some(Action::ValidatorDefinition(validator_definition))
+        }
+        ActionPlan::IbcAction(ibc_action) => Some(Action::IbcRelay(ibc_action)),
+        ActionPlan::DaoSpend(dao_spend) => Some(Action::DaoSpend(dao_spend)),
+        ActionPlan::DaoOutput(dao_output) => Some(Action::DaoOutput(dao_output)),
+        ActionPlan::DaoDeposit(dao_deposit) => Some(Action::DaoDeposit(dao_deposit)),
+        ActionPlan::PositionOpen(position_open) => Some(Action::PositionOpen(position_open)),
+        ActionPlan::PositionClose(position_close) => Some(Action::PositionClose(position_close)),
+        ActionPlan::PositionWithdraw(position_withdrawn) => Some(Action::PositionWithdraw(
+            position_withdrawn.position_withdraw(),
+        )),
+        ActionPlan::Withdrawal(ics20_withdrawal) => Some(Action::Ics20Withdrawal(ics20_withdrawal)),
+        _ => return Err(anyhow::anyhow!("Unsupported action type").into()),
+    };
+
+    let action_result_proto = serde_wasm_bindgen::to_value(&Some(action))?;
+    Ok(action_result_proto)
+}

crates/wasm/src/lib.rs

@@ -1,6 +1,7 @@
 #![allow(dead_code)]
 extern crate core;
 
+pub mod build;
 pub mod error;
 pub mod keys;
 pub mod note_record;

crates/wasm/src/wasm_planner.rs

@@ -1,6 +1,4 @@
-use std::str::FromStr;
-
-use anyhow::{anyhow, Context};
+use anyhow::anyhow;
 use ark_ff::UniformRand;
 use decaf377::Fq;
 use rand_core::OsRng;
@@ -9,20 +7,17 @@ use wasm_bindgen::JsValue;
 
 use penumbra_chain::params::{ChainParameters, FmdParameters};
 use penumbra_dex::swap_claim::SwapClaimPlan;
-use penumbra_keys::FullViewingKey;
 use penumbra_proto::{
     core::{
         asset::v1alpha1::{DenomMetadata, Value},
         component::fee::v1alpha1::{Fee, GasPrices},
         component::ibc::v1alpha1::Ics20Withdrawal,
         keys::v1alpha1::{Address, AddressIndex},
-        transaction::v1alpha1 as pb,
         transaction::v1alpha1::MemoPlaintext,
     },
     crypto::tct::v1alpha1::StateCommitment,
     DomainType,
 };
-use penumbra_transaction::{action::Action, plan::ActionPlan, plan::TransactionPlan, WitnessData};
 
 use crate::error::WasmResult;
 use crate::planner::Planner;
@@ -65,112 +60,6 @@ impl WasmPlanner {
         Ok(planner)
     }
 
-    /// Builds a planned [`Action`] specified by
-    /// the [`ActionPlan`] in a [`TransactionPlan`].
-    /// Arguments:
-    ///     &self: `WasmPlanner`
-    ///     transaction_plan: `TransactionPlan`
-    ///     action_plan: `ActionPlan`
-    ///     full_viewing_key: `bech32m String`,
-    ///     witness_data: `WitnessData``
-    /// Returns: `Action`
-    #[wasm_bindgen]
-    pub fn build_action(
-        &self,
-        transaction_plan: JsValue,
-        action_plan: JsValue,
-        full_viewing_key: &str,
-        witness_data: JsValue,
-    ) -> WasmResult<JsValue> {
-        utils::set_panic_hook();
-
-        let transaction_plan: TransactionPlan =
-            serde_wasm_bindgen::from_value(transaction_plan.clone())?;
-
-        let witness_data_proto: pb::WitnessData = serde_wasm_bindgen::from_value(witness_data)?;
-        let witness_data: WitnessData = witness_data_proto.try_into()?;
-
-        let action_plan: ActionPlan = serde_wasm_bindgen::from_value(action_plan)?;
-
-        let full_viewing_key: FullViewingKey = FullViewingKey::from_str(full_viewing_key)?;
-
-        let memo_key = transaction_plan.memo_plan.map(|memo_plan| memo_plan.key);
-
-        let action = match action_plan {
-            ActionPlan::Spend(spend_plan) => {
-                let spend = ActionPlan::Spend(spend_plan);
-                Some(spend.build_unauth(&full_viewing_key, &witness_data, memo_key)?)
-            }
-            ActionPlan::Output(output_plan) => {
-                let output = ActionPlan::Output(output_plan);
-                Some(output.build_unauth(&full_viewing_key, &witness_data, memo_key)?)
-            }
-
-            // TODO: Other action variants besides 'Spend' and 'Output' still require testing.
-            ActionPlan::Swap(swap_plan) => {
-                let swap = ActionPlan::Swap(swap_plan);
-                Some(swap.build_unauth(&full_viewing_key, &witness_data, memo_key)?)
-            }
-            ActionPlan::SwapClaim(swap_claim_plan) => {
-                let swap_claim = ActionPlan::SwapClaim(swap_claim_plan);
-                Some(swap_claim.build_unauth(&full_viewing_key, &witness_data, memo_key)?)
-            }
-            ActionPlan::Delegate(delegation) => Some(Action::Delegate(delegation)),
-            ActionPlan::Undelegate(undelegation) => Some(Action::Undelegate(undelegation)),
-            ActionPlan::UndelegateClaim(undelegate_claim) => {
-                let undelegate_claim = undelegate_claim.undelegate_claim();
-                Some(Action::UndelegateClaim(undelegate_claim))
-            }
-            ActionPlan::ProposalSubmit(proposal_submit) => {
-                Some(Action::ProposalSubmit(proposal_submit))
-            }
-            ActionPlan::ProposalWithdraw(proposal_withdraw) => {
-                Some(Action::ProposalWithdraw(proposal_withdraw))
-            }
-            ActionPlan::ValidatorVote(validator_vote) => {
-                Some(Action::ValidatorVote(validator_vote))
-            }
-            ActionPlan::DelegatorVote(delegator_vote) => {
-                let note_commitment = delegator_vote.staked_note.commit();
-                let auth_path = witness_data
-                    .state_commitment_proofs
-                    .get(&note_commitment)
-                    .context(format!("could not get proof for {note_commitment:?}"))?;
-
-                Some(Action::DelegatorVote(delegator_vote.delegator_vote(
-                    &full_viewing_key,
-                    [0; 64].into(),
-                    auth_path.clone(),
-                )))
-            }
-            ActionPlan::ProposalDepositClaim(proposal_deposit_claim) => {
-                Some(Action::ProposalDepositClaim(proposal_deposit_claim))
-            }
-            ActionPlan::ValidatorDefinition(validator_definition) => {
-                Some(Action::ValidatorDefinition(validator_definition))
-            }
-            ActionPlan::IbcAction(ibc_action) => Some(Action::IbcRelay(ibc_action)),
-            ActionPlan::DaoSpend(dao_spend) => Some(Action::DaoSpend(dao_spend)),
-            ActionPlan::DaoOutput(dao_output) => Some(Action::DaoOutput(dao_output)),
-            ActionPlan::DaoDeposit(dao_deposit) => Some(Action::DaoDeposit(dao_deposit)),
-            ActionPlan::PositionOpen(position_open) => Some(Action::PositionOpen(position_open)),
-            ActionPlan::PositionClose(position_close) => {
-                Some(Action::PositionClose(position_close))
-            }
-            ActionPlan::PositionWithdraw(position_withdrawn) => Some(Action::PositionWithdraw(
-                position_withdrawn.position_withdraw(),
-            )),
-            ActionPlan::Withdrawal(ics20_withdrawal) => {
-                Some(Action::Ics20Withdrawal(ics20_withdrawal))
-            }
-            // TODO: Should we handle `PositionRewardClaim`?
-            _ => None,
-        };
-
-        let action_result_proto = serde_wasm_bindgen::to_value(&Some(action))?;
-        Ok(action_result_proto)
-    }
-
     /// Public getter for the 'storage' field
     pub fn get_storage(&self) -> *const IndexedDBStorage {
         &self.storage
@@ -190,6 +79,7 @@ impl WasmPlanner {
     /// Set gas prices
     /// Arguments:
     ///     gas_prices: `GasPrices`
+    #[wasm_bindgen]
     pub fn set_gas_prices(&mut self, gas_prices: JsValue) -> WasmResult<()> {
         let gas_prices_proto: GasPrices = serde_wasm_bindgen::from_value(gas_prices)?;
         self.planner.set_gas_prices(gas_prices_proto.try_into()?);
@@ -199,6 +89,7 @@ impl WasmPlanner {
     /// Add memo to plan
     /// Arguments:
     ///     memo: `MemoPlaintext`
+    #[wasm_bindgen]
     pub fn memo(&mut self, memo: JsValue) -> WasmResult<()> {
         utils::set_panic_hook();
         let memo_proto: MemoPlaintext = serde_wasm_bindgen::from_value(memo)?;
@@ -209,6 +100,7 @@ impl WasmPlanner {
     /// Add fee to plan
     /// Arguments:
     ///     fee: `Fee`
+    #[wasm_bindgen]
     pub fn fee(&mut self, fee: JsValue) -> WasmResult<()> {
         utils::set_panic_hook();
 
@@ -222,6 +114,7 @@ impl WasmPlanner {
     /// Arguments:
     ///     value: `Value`
     ///     address: `Address`
+    #[wasm_bindgen]
     pub fn output(&mut self, value: JsValue, address: JsValue) -> WasmResult<()> {
         utils::set_panic_hook();