Parse address-lookup-table instructions

docs/src/developing/clients/jsonrpc-api.md

@@ -214,7 +214,7 @@ JSON parsing for the following native and SPL programs:
 
 | Program | Account State | Instructions |
 | --- | --- | --- |
-| Address Lookup | v1.12.0 |   |
+| Address Lookup | v1.12.0 | v1.12.0 |
 | BPF Loader | n/a | stable |
 | BPF Upgradeable Loader | stable | stable |
 | Config | stable |   |

transaction-status/Cargo.toml

@@ -21,6 +21,7 @@ serde = "1.0.143"
 serde_derive = "1.0.103"
 serde_json = "1.0.83"
 solana-account-decoder = { path = "../account-decoder", version = "=1.12.0" }
+solana-address-lookup-table-program = { path = "../programs/address-lookup-table", version = "=1.12.0" }
 solana-measure = { path = "../measure", version = "=1.12.0" }
 solana-metrics = { path = "../metrics", version = "=1.12.0" }
 solana-sdk = { path = "../sdk", version = "=1.12.0" }

transaction-status/src/lib.rs

@@ -34,6 +34,7 @@ extern crate serde_derive;
 
 pub mod extract_memos;
 pub mod parse_accounts;
+pub mod parse_address_lookup_table;
 pub mod parse_associated_token;
 pub mod parse_bpf_loader;
 pub mod parse_instruction;

transaction-status/src/parse_address_lookup_table.rs

@@ -0,0 +1,358 @@
+use {
+    crate::parse_instruction::{
+        check_num_accounts, ParsableProgram, ParseInstructionError, ParsedInstructionEnum,
+    },
+    bincode::deserialize,
+    serde_json::json,
+    solana_address_lookup_table_program::instruction::ProgramInstruction,
+    solana_sdk::{instruction::CompiledInstruction, message::AccountKeys},
+};
+
+pub fn parse_address_lookup_table(
+    instruction: &CompiledInstruction,
+    account_keys: &AccountKeys,
+) -> Result<ParsedInstructionEnum, ParseInstructionError> {
+    let address_lookup_table_instruction: ProgramInstruction = deserialize(&instruction.data)
+        .map_err(|_| {
+            ParseInstructionError::InstructionNotParsable(ParsableProgram::AddressLookupTable)
+        })?;
+    match instruction.accounts.iter().max() {
+        Some(index) if (*index as usize) < account_keys.len() => {}
+        _ => {
+            // Runtime should prevent this from ever happening
+            return Err(ParseInstructionError::InstructionKeyMismatch(
+                ParsableProgram::AddressLookupTable,
+            ));
+        }
+    }
+    match address_lookup_table_instruction {
+        ProgramInstruction::CreateLookupTable {
+            recent_slot,
+            bump_seed,
+        } => {
+            check_num_address_lookup_table_accounts(&instruction.accounts, 4)?;
+            Ok(ParsedInstructionEnum {
+                instruction_type: "createLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": account_keys[instruction.accounts[0] as usize].to_string(),
+                    "lookupTableAuthority": account_keys[instruction.accounts[1] as usize].to_string(),
+                    "payerAccount": account_keys[instruction.accounts[2] as usize].to_string(),
+                    "systemProgram": account_keys[instruction.accounts[3] as usize].to_string(),
+                    "recentSlot": recent_slot,
+                    "bumpSeed": bump_seed,
+                }),
+            })
+        }
+        ProgramInstruction::FreezeLookupTable => {
+            check_num_address_lookup_table_accounts(&instruction.accounts, 2)?;
+            Ok(ParsedInstructionEnum {
+                instruction_type: "freezeLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": account_keys[instruction.accounts[0] as usize].to_string(),
+                    "lookupTableAuthority": account_keys[instruction.accounts[1] as usize].to_string(),
+                }),
+            })
+        }
+        ProgramInstruction::ExtendLookupTable { new_addresses } => {
+            check_num_address_lookup_table_accounts(&instruction.accounts, 2)?;
+            let new_addresses: Vec<String> = new_addresses
+                .into_iter()
+                .map(|address| address.to_string())
+                .collect();
+            let mut value = json!({
+                "lookupTableAccount": account_keys[instruction.accounts[0] as usize].to_string(),
+                "lookupTableAuthority": account_keys[instruction.accounts[1] as usize].to_string(),
+                "newAddresses": new_addresses,
+            });
+            let map = value.as_object_mut().unwrap();
+            if instruction.accounts.len() >= 4 {
+                map.insert(
+                    "payerAccount".to_string(),
+                    json!(account_keys[instruction.accounts[2] as usize].to_string()),
+                );
+                map.insert(
+                    "systemProgram".to_string(),
+                    json!(account_keys[instruction.accounts[3] as usize].to_string()),
+                );
+            }
+            Ok(ParsedInstructionEnum {
+                instruction_type: "extendLookupTable".to_string(),
+                info: value,
+            })
+        }
+        ProgramInstruction::DeactivateLookupTable => {
+            check_num_address_lookup_table_accounts(&instruction.accounts, 2)?;
+            Ok(ParsedInstructionEnum {
+                instruction_type: "deactivateLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": account_keys[instruction.accounts[0] as usize].to_string(),
+                    "lookupTableAuthority": account_keys[instruction.accounts[1] as usize].to_string(),
+                }),
+            })
+        }
+        ProgramInstruction::CloseLookupTable => {
+            check_num_address_lookup_table_accounts(&instruction.accounts, 3)?;
+            Ok(ParsedInstructionEnum {
+                instruction_type: "closeLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": account_keys[instruction.accounts[0] as usize].to_string(),
+                    "lookupTableAuthority": account_keys[instruction.accounts[1] as usize].to_string(),
+                    "recipient": account_keys[instruction.accounts[2] as usize].to_string(),
+                }),
+            })
+        }
+    }
+}
+
+fn check_num_address_lookup_table_accounts(
+    accounts: &[u8],
+    num: usize,
+) -> Result<(), ParseInstructionError> {
+    check_num_accounts(accounts, num, ParsableProgram::AddressLookupTable)
+}
+
+#[cfg(test)]
+mod test {
+    use {
+        super::*,
+        solana_address_lookup_table_program::instruction,
+        solana_sdk::{message::Message, pubkey::Pubkey, system_program},
+        std::str::FromStr,
+    };
+
+    #[test]
+    fn test_parse_create_address_lookup_table_ix() {
+        let from_pubkey = Pubkey::new_unique();
+        // use explicit key to have predicatble bump_seed
+        let authority = Pubkey::from_str("HkxY6vXdrKzoCQLmdJ3cYo9534FdZQxzBNWTyrJzzqJM").unwrap();
+        let slot = 42;
+
+        let (instruction, lookup_table_pubkey) =
+            instruction::create_lookup_table(authority, from_pubkey, slot);
+        let mut message = Message::new(&[instruction], None);
+        assert_eq!(
+            parse_address_lookup_table(
+                &message.instructions[0],
+                &AccountKeys::new(&message.account_keys, None)
+            )
+            .unwrap(),
+            ParsedInstructionEnum {
+                instruction_type: "createLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": lookup_table_pubkey.to_string(),
+                    "lookupTableAuthority": authority.to_string(),
+                    "payerAccount": from_pubkey.to_string(),
+                    "systemProgram": system_program::id().to_string(),
+                    "recentSlot": slot,
+                    "bumpSeed": 254,
+                }),
+            }
+        );
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&message.account_keys[0..3], None)
+        )
+        .is_err());
+        let keys = message.account_keys.clone();
+        message.instructions[0].accounts.pop();
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&keys, None)
+        )
+        .is_err());
+    }
+
+    #[test]
+    fn test_parse_freeze_lookup_table_ix() {
+        let lookup_table_pubkey = Pubkey::new_unique();
+        let authority = Pubkey::new_unique();
+
+        let instruction = instruction::freeze_lookup_table(lookup_table_pubkey, authority);
+        let mut message = Message::new(&[instruction], None);
+        assert_eq!(
+            parse_address_lookup_table(
+                &message.instructions[0],
+                &AccountKeys::new(&message.account_keys, None)
+            )
+            .unwrap(),
+            ParsedInstructionEnum {
+                instruction_type: "freezeLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": lookup_table_pubkey.to_string(),
+                    "lookupTableAuthority": authority.to_string(),
+                }),
+            }
+        );
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&message.account_keys[0..1], None)
+        )
+        .is_err());
+        let keys = message.account_keys.clone();
+        message.instructions[0].accounts.pop();
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&keys, None)
+        )
+        .is_err());
+    }
+
+    #[test]
+    fn test_parse_extend_lookup_table_ix() {
+        let lookup_table_pubkey = Pubkey::new_unique();
+        let authority = Pubkey::new_unique();
+        let from_pubkey = Pubkey::new_unique();
+        let no_addresses = vec![];
+        let address0 = Pubkey::new_unique();
+        let address1 = Pubkey::new_unique();
+        let some_addresses = vec![address0, address1];
+
+        // No payer, no addresses
+        let instruction =
+            instruction::extend_lookup_table(lookup_table_pubkey, authority, None, no_addresses);
+        let mut message = Message::new(&[instruction], None);
+        assert_eq!(
+            parse_address_lookup_table(
+                &message.instructions[0],
+                &AccountKeys::new(&message.account_keys, None)
+            )
+            .unwrap(),
+            ParsedInstructionEnum {
+                instruction_type: "extendLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": lookup_table_pubkey.to_string(),
+                    "lookupTableAuthority": authority.to_string(),
+                    "newAddresses": [],
+                }),
+            }
+        );
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&message.account_keys[0..1], None)
+        )
+        .is_err());
+        let keys = message.account_keys.clone();
+        message.instructions[0].accounts.pop();
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&keys, None)
+        )
+        .is_err());
+
+        // Some payer, some addresses
+        let instruction = instruction::extend_lookup_table(
+            lookup_table_pubkey,
+            authority,
+            Some(from_pubkey),
+            some_addresses,
+        );
+        let mut message = Message::new(&[instruction], None);
+        assert_eq!(
+            parse_address_lookup_table(
+                &message.instructions[0],
+                &AccountKeys::new(&message.account_keys, None)
+            )
+            .unwrap(),
+            ParsedInstructionEnum {
+                instruction_type: "extendLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": lookup_table_pubkey.to_string(),
+                    "lookupTableAuthority": authority.to_string(),
+                    "payerAccount": from_pubkey.to_string(),
+                    "systemProgram": system_program::id().to_string(),
+                    "newAddresses": [
+                        address0.to_string(),
+                        address1.to_string(),
+                    ],
+                }),
+            }
+        );
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&message.account_keys[0..1], None)
+        )
+        .is_err());
+        let keys = message.account_keys.clone();
+        message.instructions[0].accounts.pop();
+        message.instructions[0].accounts.pop();
+        message.instructions[0].accounts.pop();
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&keys, None)
+        )
+        .is_err());
+    }
+
+    #[test]
+    fn test_parse_deactivate_lookup_table_ix() {
+        let lookup_table_pubkey = Pubkey::new_unique();
+        let authority = Pubkey::new_unique();
+
+        let instruction = instruction::deactivate_lookup_table(lookup_table_pubkey, authority);
+        let mut message = Message::new(&[instruction], None);
+        assert_eq!(
+            parse_address_lookup_table(
+                &message.instructions[0],
+                &AccountKeys::new(&message.account_keys, None)
+            )
+            .unwrap(),
+            ParsedInstructionEnum {
+                instruction_type: "deactivateLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": lookup_table_pubkey.to_string(),
+                    "lookupTableAuthority": authority.to_string(),
+                }),
+            }
+        );
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&message.account_keys[0..1], None)
+        )
+        .is_err());
+        let keys = message.account_keys.clone();
+        message.instructions[0].accounts.pop();
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&keys, None)
+        )
+        .is_err());
+    }
+
+    #[test]
+    fn test_parse_close_lookup_table_ix() {
+        let lookup_table_pubkey = Pubkey::new_unique();
+        let authority = Pubkey::new_unique();
+        let recipient = Pubkey::new_unique();
+
+        let instruction =
+            instruction::close_lookup_table(lookup_table_pubkey, authority, recipient);
+        let mut message = Message::new(&[instruction], None);
+        assert_eq!(
+            parse_address_lookup_table(
+                &message.instructions[0],
+                &AccountKeys::new(&message.account_keys, None)
+            )
+            .unwrap(),
+            ParsedInstructionEnum {
+                instruction_type: "closeLookupTable".to_string(),
+                info: json!({
+                    "lookupTableAccount": lookup_table_pubkey.to_string(),
+                    "lookupTableAuthority": authority.to_string(),
+                    "recipient": recipient.to_string(),
+                }),
+            }
+        );
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&message.account_keys[0..2], None)
+        )
+        .is_err());
+        let keys = message.account_keys.clone();
+        message.instructions[0].accounts.pop();
+        assert!(parse_address_lookup_table(
+            &message.instructions[0],
+            &AccountKeys::new(&keys, None)
+        )
+        .is_err());
+    }
+}