Governance: vote options (#2544)

* feat: use VoteChoice instead of VoteWeight

* chore: make clippy happy

* feat: use options for ye/no vote

* feat: use choices for CastVote instruction

* chore: move Vote enum to tests

* fix: iterate overall choices for withdrawal

* chore: split ProposalOption and ProposalOptionVote

* fix: calculate multi option proposal size

* chore: split weighted and fractional vote choices

* feat: add proposal type

* feat: add reject option flag

* feat: calculate final state for proposal using options results

* chore: make clippy happy

* fix: generalise max vote weight calculation for multiple options

* feat: gate vote tipping for yes/no proposals only

* chore: make clippy happy

* feat: add option_index to instruction

* feat: move instructions to options

* chore: advance clock

* chore: add await

* chore: add multi option proposal tests

* chore: move governing_mint to account list

* feat: assert valid proposal options

* feat: assert proposal is executable when instruction is added

* chore: make clippy happy

* chore: add tests to insert instructions into multi option proposal

* chore: make clippy happy

* feat: use explicit reject_option_vote_weight

* feat: use Vote struct for vote results

* feat: validate vote

* feat: reject empty proposal options

* chore: update comments

* fix: allow execute only successful options

* chore: add assertions for option statuses

* chore: add partial success test

* chore: add full success execution test

* chore: add test for instructions execution for fully denied proposal

* feat: finalise none executable proposals into completed state

* chore: fix chat

* feat: add vote_record v1 v2 roundtrip serialization

* eat: add proposal_instruction v1 v2 roundtrip serialisation

* chore: use VoteRecordV1

* chore: use legacy structs instead of legacy crate version

* chore: rename proposal to V2

* feat: translate Proposal v1 v2 versions

* chore: make clippy happy

* chore: make clippy happy

* chore: remove unnecessary clone for match

* chore: rename get_final_vote_state to resolve_final_vote_state

* fix proposal account name

Co-authored-by: Jon Cinque <jon.cinque@gmail.com>

* chore: fix compilation

* chore: use borsh::maybestd::io::Write

* chore: consume self in serialise instructions to avoid cloning

* chore: update comments

* feat: add N limit placeholder to multi choice vote type

* feat: increase options size to u16

* fix: use checked math

Co-authored-by: Jon Cinque <jon.cinque@gmail.com>

Author: SebastianBor

Cargo.lock

@@ -21,7 +21,7 @@ serde = "1.0.127"
 serde_derive = "1.0.103"
 solana-program = "1.8.1"
 spl-token = { version = "3.2", path = "../../../token/program", features = [ "no-entrypoint" ] }
-spl-governance= { version = "2.1.2", path ="../../program", features = [ "no-entrypoint" ]}
+spl-governance= { version = "2.1.3", path ="../../program", features = [ "no-entrypoint" ]}
 spl-governance-tools= { version = "0.1.0", path ="../../tools"}
 thiserror = "1.0"
 

governance/chat/program/Cargo.toml

@@ -53,7 +53,7 @@ pub struct ChatMessage {
 
 impl AccountMaxSize for ChatMessage {
     fn get_max_size(&self) -> Option<usize> {
-        let body_size = match self.body.clone() {
+        let body_size = match &self.body {
             MessageBody::Text(body) => body.len(),
             MessageBody::Reaction(body) => body.len(),
         };

governance/chat/program/src/state.rs

@@ -11,7 +11,7 @@ use spl_governance::{
     state::{
         enums::{MintMaxVoteWeightSource, VoteThresholdPercentage},
         governance::{get_account_governance_address, GovernanceConfig},
-        proposal::get_proposal_address,
+        proposal::{get_proposal_address, VoteType},
         realm::get_realm_address,
         token_owner_record::get_token_owner_record_address,
     },
@@ -178,7 +178,9 @@ impl GovernanceChatProgramTest {
 
         let proposal_name = "Proposal #1".to_string();
         let description_link = "Proposal Description".to_string();
+        let options = vec!["Yes".to_string()];
         let proposal_index: u32 = 0;
+        let use_deny_option = true;
 
         let create_proposal_ix = create_proposal(
             &self.governance_program_id,
@@ -191,6 +193,9 @@ impl GovernanceChatProgramTest {
             proposal_name,
             description_link.clone(),
             &governing_token_mint_keypair.pubkey(),
+            VoteType::SingleChoice,
+            options,
+            use_deny_option,
             proposal_index,
         );
 

governance/chat/program/tests/program_test/mod.rs

@@ -1,6 +1,6 @@
 [package]
 name = "spl-governance"
-version = "2.1.3"
+version = "2.1.4"
 description = "Solana Program Library Governance Program"
 authors = ["Solana Maintainers <maintainers@solana.foundation>"]
 repository = "https://github.com/solana-labs/solana-program-library"
@@ -32,7 +32,7 @@ proptest = "1.0"
 solana-program-test = "1.8.1"
 solana-sdk = "1.8.1"
 spl-governance-test-sdk = { version = "0.1.0", path ="../test-sdk"}
-spl-governance-v1 = {package="spl-governance", version = "1.1.1", features = [ "no-entrypoint" ] }
+
 
 [lib]
 crate-type = ["cdylib", "lib"]

governance/program/Cargo.toml

@@ -337,6 +337,30 @@ pub enum GovernanceError {
     /// Governing token deposits not allowed
     #[error("Governing token deposits not allowed")]
     GoverningTokenDepositsNotAllowed,
+
+    /// Invalid vote choice weight percentage
+    #[error("Invalid vote choice weight percentage")]
+    InvalidVoteChoiceWeightPercentage,
+
+    /// Vote type not supported
+    #[error("Vote type not supported")]
+    VoteTypeNotSupported,
+
+    /// InvalidProposalOptions
+    #[error("Invalid proposal options")]
+    InvalidProposalOptions,
+
+    /// Proposal is not not executable
+    #[error("Proposal is not not executable")]
+    ProposalIsNotExecutable,
+
+    /// Invalid vote
+    #[error("Invalid vote")]
+    InvalidVote,
+
+    /// Cannot execute defeated option
+    #[error("Cannot execute defeated option")]
+    CannotExecuteDefeatedOption,
 }
 
 impl PrintProgramError for GovernanceError {

governance/program/src/error.rs

@@ -7,13 +7,13 @@ use crate::{
             get_account_governance_address, get_mint_governance_address,
             get_program_governance_address, get_token_governance_address, GovernanceConfig,
         },
-        proposal::get_proposal_address,
+        proposal::{get_proposal_address, VoteType},
         proposal_instruction::{get_proposal_instruction_address, InstructionData},
         realm::{get_governing_token_holding_address, get_realm_address, RealmConfigArgs},
         realm_config::get_realm_config_address,
         signatory_record::get_signatory_record_address,
         token_owner_record::get_token_owner_record_address,
-        vote_record::get_vote_record_address,
+        vote_record::{get_vote_record_address, Vote},
     },
     tools::bpf_loader_upgradeable::get_program_data_address,
 };
@@ -25,16 +25,6 @@ use solana_program::{
     system_program, sysvar,
 };
 
-/// Yes/No Vote
-#[repr(C)]
-#[derive(Clone, Debug, PartialEq, BorshDeserialize, BorshSerialize, BorshSchema)]
-pub enum Vote {
-    /// Yes vote
-    Yes,
-    /// No vote
-    No,
-}
-
 /// Instructions supported by the Governance program
 #[derive(Clone, Debug, PartialEq, BorshDeserialize, BorshSerialize, BorshSchema)]
 #[repr(C)]
@@ -164,25 +154,36 @@ pub enum GovernanceInstruction {
     ///   1. `[writable]` Proposal account. PDA seeds ['governance',governance, governing_token_mint, proposal_index]
     ///   2. `[writable]` Governance account
     ///   3. `[writable]` TokenOwnerRecord account of the Proposal owner
-    ///   4. `[signer]` Governance Authority (Token Owner or Governance Delegate)
-    ///   5. `[signer]` Payer
-    ///   6. `[]` System program
-    ///   7. `[]` Rent sysvar
-    ///   8. `[]` Clock sysvar
-    ///   9. `[]` Optional Realm Config
-    ///   10. `[]` Optional Voter Weight Record
+    ///   4. `[]` Governing Token Mint the Proposal is created for
+    ///   5. `[signer]` Governance Authority (Token Owner or Governance Delegate)
+    ///   6. `[signer]` Payer
+    ///   7. `[]` System program
+    ///   8. `[]` Rent sysvar
+    ///   9. `[]` Clock sysvar
+    ///   10. `[]` Optional Realm Config
+    ///   11. `[]` Optional Voter Weight Record
     CreateProposal {
         #[allow(dead_code)]
         /// UTF-8 encoded name of the proposal
         name: String,
 
         #[allow(dead_code)]
-        /// Link to gist explaining proposal
+        /// Link to a gist explaining the proposal
         description_link: String,
 
         #[allow(dead_code)]
-        /// Governing Token Mint the Proposal is created for
-        governing_token_mint: Pubkey,
+        /// Proposal vote type
+        vote_type: VoteType,
+
+        #[allow(dead_code)]
+        /// Proposal options
+        options: Vec<String>,
+
+        #[allow(dead_code)]
+        /// Indicates whether the proposal has the deny option
+        /// A proposal without the rejecting option is a non binding survey
+        /// Only proposals with the rejecting option can have executable instructions
+        use_deny_option: bool,
     },
 
     /// Adds a signatory to the Proposal which means this Proposal can't leave Draft state until yet another Signatory signs
@@ -226,6 +227,9 @@ pub enum GovernanceInstruction {
     ///   6. `[]` System program
     ///   7. `[]` Rent sysvar
     InsertInstruction {
+        #[allow(dead_code)]
+        /// The index of the option the instruction is for
+        option_index: u16,
         #[allow(dead_code)]
         /// Instruction index to be inserted at.
         index: u16,
@@ -285,7 +289,7 @@ pub enum GovernanceInstruction {
     ///   12. `[]` Optional Voter Weight Record
     CastVote {
         #[allow(dead_code)]
-        /// Yes/No vote
+        /// User's vote
         vote: Vote,
     },
 
@@ -823,6 +827,9 @@ pub fn create_proposal(
     name: String,
     description_link: String,
     governing_token_mint: &Pubkey,
+    vote_type: VoteType,
+    options: Vec<String>,
+    use_deny_option: bool,
     proposal_index: u32,
 ) -> Instruction {
     let proposal_address = get_proposal_address(
@@ -837,6 +844,7 @@ pub fn create_proposal(
         AccountMeta::new(proposal_address, false),
         AccountMeta::new(*governance, false),
         AccountMeta::new(*proposal_owner_record, false),
+        AccountMeta::new_readonly(*governing_token_mint, false),
         AccountMeta::new_readonly(*governance_authority, true),
         AccountMeta::new(*payer, true),
         AccountMeta::new_readonly(system_program::id(), false),
@@ -849,7 +857,9 @@ pub fn create_proposal(
     let instruction = GovernanceInstruction::CreateProposal {
         name,
         description_link,
-        governing_token_mint: *governing_token_mint,
+        vote_type,
+        options,
+        use_deny_option,
     };
 
     Instruction {
@@ -1095,12 +1105,17 @@ pub fn insert_instruction(
     governance_authority: &Pubkey,
     payer: &Pubkey,
     // Args
+    option_index: u16,
     index: u16,
     hold_up_time: u32,
     instruction: InstructionData,
 ) -> Instruction {
-    let proposal_instruction_address =
-        get_proposal_instruction_address(program_id, proposal, &index.to_le_bytes());
+    let proposal_instruction_address = get_proposal_instruction_address(
+        program_id,
+        proposal,
+        &option_index.to_le_bytes(),
+        &index.to_le_bytes(),
+    );
 
     let accounts = vec![
         AccountMeta::new_readonly(*governance, false),
@@ -1114,6 +1129,7 @@ pub fn insert_instruction(
     ];
 
     let instruction = GovernanceInstruction::InsertInstruction {
+        option_index,
         index,
         hold_up_time,
         instruction,

governance/program/src/instruction.rs

@@ -68,14 +68,16 @@ pub fn process_instruction(
         try_from_slice_unchecked(input).map_err(|_| ProgramError::InvalidInstructionData)?;
 
     if let GovernanceInstruction::InsertInstruction {
+        option_index,
         index,
         hold_up_time,
         instruction: _,
     } = instruction
     {
         // Do not dump instruction data into logs
         msg!(
-            "GOVERNANCE-INSTRUCTION: InsertInstruction {{ index: {:?}, hold_up_time: {:?} }}",
+            "GOVERNANCE-INSTRUCTION: InsertInstruction {{option_index: {:?}, index: {:?}, hold_up_time: {:?} }}",
+            option_index,
             index,
             hold_up_time
         );
@@ -127,13 +129,17 @@ pub fn process_instruction(
         GovernanceInstruction::CreateProposal {
             name,
             description_link,
-            governing_token_mint,
+            vote_type: proposal_type,
+            options,
+            use_deny_option,
         } => process_create_proposal(
             program_id,
             accounts,
             name,
             description_link,
-            governing_token_mint,
+            proposal_type,
+            options,
+            use_deny_option,
         ),
         GovernanceInstruction::AddSignatory { signatory } => {
             process_add_signatory(program_id, accounts, signatory)
@@ -153,10 +159,18 @@ pub fn process_instruction(
         GovernanceInstruction::CancelProposal {} => process_cancel_proposal(program_id, accounts),
 
         GovernanceInstruction::InsertInstruction {
+            option_index,
             index,
             hold_up_time,
             instruction,
-        } => process_insert_instruction(program_id, accounts, index, hold_up_time, instruction),
+        } => process_insert_instruction(
+            program_id,
+            accounts,
+            option_index,
+            index,
+            hold_up_time,
+            instruction,
+        ),
 
         GovernanceInstruction::RemoveInstruction {} => {
             process_remove_instruction(program_id, accounts)

governance/program/src/processor/mod.rs

@@ -1,6 +1,5 @@
 //! Program state processor
 
-use borsh::BorshSerialize;
 use solana_program::{
     account_info::{next_account_info, AccountInfo},
     entrypoint::ProgramResult,