Writes the result of a governance proposal in storage

apps/src/lib/node/ledger/shell/governance.rs

@@ -74,6 +74,10 @@ where
         )?;
         let proposal_result =
             compute_proposal_result(votes, total_voting_power, tally_type);
+        let proposal_result_key = gov_storage::get_proposal_result_key(id);
+        shell
+            .wl_storage
+            .write(&proposal_result_key, proposal_result)?;
 
         let transfer_address = match proposal_result.result {
             TallyResult::Passed => {

core/src/ledger/governance/storage/keys.rs

@@ -26,6 +26,7 @@ struct Keys {
     min_grace_epoch: &'static str,
     counter: &'static str,
     pending: &'static str,
+    result: &'static str,
 }
 
 /// Check if key is inside governance address space
@@ -459,6 +460,15 @@ pub fn get_proposal_execution_key(id: u64) -> Key {
         .expect("Cannot obtain a storage key")
 }
 
+/// Get the proposal result key
+pub fn get_proposal_result_key(id: u64) -> Key {
+    proposal_prefix()
+        .push(&id.to_string())
+        .expect("Cannot obtain a storage key")
+        .push(&Keys::VALUES.result.to_owned())
+        .expect("Cannot obtain a storage key")
+}
+
 /// Get proposal id from key
 pub fn get_proposal_id(key: &Key) -> Option<u64> {
     match key.get_at(2) {

core/src/ledger/governance/utils.rs

@@ -75,6 +75,7 @@ impl TallyType {
 }
 
 /// The result of a proposal
+#[derive(Copy, Clone, BorshSerialize, BorshDeserialize)]
 pub enum TallyResult {
     /// Proposal was accepted with the associated value
     Passed,
@@ -126,6 +127,7 @@ impl TallyResult {
 }
 
 /// The result with votes of a proposal
+#[derive(Clone, Copy, BorshDeserialize, BorshSerialize)]
 pub struct ProposalResult {
     /// The result of a proposal
     pub result: TallyResult,