Index Token Inscriptions (metaplex-foundation#222)

Program parser for inscriptions for blockbluster. Create and register
program parser with program tranformer. Add show_instrcitions flag to
the API to view the inscription information.

blockbuster/src/programs/mod.rs

@@ -2,12 +2,14 @@ use bubblegum::BubblegumInstruction;
 use mpl_core_program::MplCoreAccountState;
 use token_account::TokenProgramAccount;
 use token_extensions::TokenExtensionsProgramAccount;
+use token_inscriptions::TokenInscriptionAccount;
 use token_metadata::TokenMetadataAccountState;
 
 pub mod bubblegum;
 pub mod mpl_core_program;
 pub mod token_account;
 pub mod token_extensions;
+pub mod token_inscriptions;
 pub mod token_metadata;
 
 // Note: `ProgramParseResult` used to contain the following variants that have been deprecated and
@@ -30,5 +32,6 @@ pub enum ProgramParseResult<'a> {
     TokenMetadata(&'a TokenMetadataAccountState),
     TokenProgramAccount(&'a TokenProgramAccount),
     TokenExtensionsProgramAccount(&'a TokenExtensionsProgramAccount),
+    TokenInscriptionAccount(&'a TokenInscriptionAccount),
     Unknown,
 }

blockbuster/src/programs/token_inscriptions/mod.rs

@@ -0,0 +1,141 @@
+use serde::{Deserialize, Serialize};
+use solana_sdk::{pubkey::Pubkey, pubkeys};
+
+use crate::{
+    error::BlockbusterError,
+    program_handler::{ParseResult, ProgramParser},
+};
+
+use super::ProgramParseResult;
+
+pubkeys!(
+    inscription_program_id,
+    "inscokhJarcjaEs59QbQ7hYjrKz25LEPRfCbP8EmdUp"
+);
+
+pub struct TokenInscriptionParser;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct InscriptionData {
+    pub authority: String,
+    pub root: String,
+    pub content: String,
+    pub encoding: String,
+    pub inscription_data: String,
+    pub order: u64,
+    pub size: u32,
+    pub validation_hash: Option<String>,
+}
+
+impl InscriptionData {
+    pub const BASE_SIZE: usize = 121;
+    pub const INSCRIPTION_ACC_DATA_DISC: [u8; 8] = [232, 120, 205, 47, 153, 239, 229, 224];
+
+    pub fn try_unpack_data(data: &[u8]) -> Result<Self, BlockbusterError> {
+        let acc_disc = &data[0..8];
+
+        if acc_disc != Self::INSCRIPTION_ACC_DATA_DISC {
+            return Err(BlockbusterError::InvalidAccountType);
+        }
+
+        if data.len() < Self::BASE_SIZE {
+            return Err(BlockbusterError::CustomDeserializationError(
+                "Inscription Data is too short".to_string(),
+            ));
+        }
+
+        let authority = Pubkey::try_from(&data[8..40]).unwrap();
+        let mint = Pubkey::try_from(&data[40..72]).unwrap();
+        let inscription_data = Pubkey::try_from(&data[72..104]).unwrap();
+        let order = u64::from_le_bytes(data[104..112].try_into().unwrap());
+        let size = u32::from_le_bytes(data[112..116].try_into().unwrap());
+        let content_type_len = u32::from_le_bytes(data[116..120].try_into().unwrap()) as usize;
+        let content = String::from_utf8(data[120..120 + content_type_len].to_vec()).unwrap();
+        let encoding_len = u32::from_le_bytes(
+            data[120 + content_type_len..124 + content_type_len]
+                .try_into()
+                .unwrap(),
+        ) as usize;
+
+        let encoding = String::from_utf8(
+            data[124 + content_type_len..124 + content_type_len + encoding_len].to_vec(),
+        )
+        .unwrap();
+
+        let validation_exists = u8::from_le_bytes(
+            data[124 + content_type_len + encoding_len..124 + content_type_len + encoding_len + 1]
+                .try_into()
+                .unwrap(),
+        );
+
+        let validation_hash = if validation_exists == 1 {
+            let validation_hash_len = u32::from_le_bytes(
+                data[124 + content_type_len + encoding_len + 1
+                    ..128 + content_type_len + encoding_len + 1]
+                    .try_into()
+                    .unwrap(),
+            ) as usize;
+            Some(
+                String::from_utf8(
+                    data[128 + content_type_len + encoding_len + 1
+                        ..128 + content_type_len + encoding_len + 1 + validation_hash_len]
+                        .to_vec(),
+                )
+                .unwrap(),
+            )
+        } else {
+            None
+        };
+        Ok(InscriptionData {
+            authority: authority.to_string(),
+            root: mint.to_string(),
+            content,
+            encoding,
+            inscription_data: inscription_data.to_string(),
+            order,
+            size,
+            validation_hash,
+        })
+    }
+}
+
+pub struct TokenInscriptionAccount {
+    pub data: InscriptionData,
+}
+
+impl ParseResult for TokenInscriptionAccount {
+    fn result(&self) -> &Self
+    where
+        Self: Sized,
+    {
+        self
+    }
+    fn result_type(&self) -> ProgramParseResult {
+        ProgramParseResult::TokenInscriptionAccount(self)
+    }
+}
+
+impl ProgramParser for TokenInscriptionParser {
+    fn key(&self) -> Pubkey {
+        inscription_program_id()
+    }
+    fn key_match(&self, key: &Pubkey) -> bool {
+        key == &inscription_program_id()
+    }
+
+    fn handles_account_updates(&self) -> bool {
+        true
+    }
+
+    fn handles_instructions(&self) -> bool {
+        false
+    }
+
+    fn handle_account(
+        &self,
+        account_data: &[u8],
+    ) -> Result<Box<(dyn ParseResult + 'static)>, BlockbusterError> {
+        let data = InscriptionData::try_unpack_data(account_data)?;
+        Ok(Box::new(TokenInscriptionAccount { data }))
+    }
+}

digital_asset_types/src/dao/full_asset.rs

@@ -1,12 +1,15 @@
 use crate::dao::{asset, asset_authority, asset_creators, asset_data, asset_grouping};
 
+use super::asset_v1_account_attachments;
+
 #[derive(Clone, Debug, PartialEq)]
 pub struct FullAsset {
     pub asset: asset::Model,
     pub data: Option<asset_data::Model>,
     pub authorities: Vec<asset_authority::Model>,
     pub creators: Vec<asset_creators::Model>,
     pub groups: Vec<asset_grouping::Model>,
+    pub inscription: Option<asset_v1_account_attachments::Model>,
 }
 #[derive(Clone, Debug, PartialEq)]
 pub struct AssetRelated {

digital_asset_types/src/dao/generated/sea_orm_active_enums.rs

@@ -66,6 +66,8 @@ pub enum V1AccountAttachments {
     MasterEditionV1,
     #[sea_orm(string_value = "master_edition_v2")]
     MasterEditionV2,
+    #[sea_orm(string_value = "token_inscription")]
+    TokenInscription,
     #[sea_orm(string_value = "unknown")]
     Unknown,
 }