hdp 0.9.0

All Herodotus Data Processor
Documentation 
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//!  Preprocessor is reponsible for identifying the required values.
//!  This will be most abstract layer of the preprocessor.

use crate::constant::SOUND_CAIRO_RUN_OUTPUT_FILE;
use crate::preprocessor::module_compile::module_compile;
use crate::primitives::merkle_tree::{build_result_merkle_tree, build_task_merkle_tree};
use crate::primitives::processed_types::datalake_compute::ProcessedDatalakeCompute;
use crate::primitives::processed_types::module::ProcessedModule;
use crate::primitives::processed_types::query::ProcessorInput;
use crate::primitives::processed_types::task::ProcessedTask;
use crate::primitives::solidity_types::traits::{DatalakeCodecs, DatalakeComputeCodecs};
use crate::primitives::task::TaskEnvelope;
use alloy::dyn_abi::DynSolValue;
use alloy::primitives::{Bytes, B256};
use compile::config::CompilerConfig;
use compile::{Compilable, CompileError};

use thiserror::Error;
use tracing::{debug, info};

pub mod compile;
pub mod module_registry;

pub mod module_compile;

#[derive(Error, Debug)]
pub enum PreProcessorError {
    #[error("Failed to compile the tasks")]
    CompileError(#[from] CompileError),
    #[error("Failed to decode the tasks")]
    DecodeError(#[from] anyhow::Error),
    #[error("Task commitment not found in compiled results")]
    TaskCommitmentNotFound,
}

pub struct PreProcessor {
    pub compile_config: CompilerConfig,
}

impl PreProcessor {
    pub fn new_with_config(compile_config: CompilerConfig) -> Self {
        Self { compile_config }
    }

    /// User request is pass as input of this function,
    /// First it will generate input structure for preprocessor that need to pass to runner
    /// Then it will run the preprocessor and return the result, fetch points
    /// Fetch points are the values that are required to run the module
    pub async fn process(
        &self,
        tasks: Vec<TaskEnvelope>,
    ) -> Result<ProcessorInput, PreProcessorError> {
        // TODO: temp solution, we first check if first task is module - send to module_compile
        match tasks.clone().into_iter().next().unwrap() {
            TaskEnvelope::Module(module_task) => {
                let compiled_results =
                    module_compile(module_task.clone(), &self.compile_config).await?;
                let module = TaskEnvelope::Module(module_task.clone());
                let task_commitment = module.commit();
                let tasks_commitments: Vec<B256> = vec![task_commitment];
                let tasks_merkle_tree = build_task_merkle_tree(&tasks_commitments);
                let results_merkle_tree_result =
                    build_result_merkle_tree(&tasks_commitments, &compiled_results.task_results);
                let (result_merkle_tree, results_commitments) = results_merkle_tree_result;
                let task_merkle_root = tasks_merkle_tree.root();
                let encoded_task = module_task.task.encode_task();
                let result_commitment = results_commitments[0];
                let compiled_result = compiled_results.task_results[0];
                debug!("compiled_result: {:#?}", compiled_result);
                let result_proof = result_merkle_tree
                    .get_proof(&DynSolValue::FixedBytes(result_commitment, 32))
                    .unwrap();
                let task_proof = tasks_merkle_tree
                    .get_proof(&DynSolValue::FixedBytes(task_commitment, 32))
                    .unwrap();
                let processed_module = ProcessedModule::new(
                    Bytes::from(encoded_task),
                    task_commitment,
                    result_commitment,
                    compiled_result,
                    task_proof,
                    result_proof,
                    module_task.task.inputs,
                    module_task.module_class,
                );

                let task = ProcessedTask::Module(processed_module);

                let processed_result = ProcessorInput::new(
                    SOUND_CAIRO_RUN_OUTPUT_FILE.into(),
                    result_merkle_tree.root(),
                    task_merkle_root,
                    compiled_results.proofs.into_values().collect(),
                    vec![task],
                );
                info!("1️⃣  Preprocessor completed successfully");
                Ok(processed_result)
            }
            TaskEnvelope::DatalakeCompute(_) => {
                // 1. compile the given tasks
                let compiled_results = tasks
                    .compile(&self.compile_config)
                    .await
                    .map_err(PreProcessorError::CompileError)?;

                let tasks_commitments: Vec<B256> =
                    tasks.iter().map(|task| task.commit()).collect::<Vec<_>>();
                let tasks_merkle_tree = build_task_merkle_tree(&tasks_commitments);
                let results_merkle_tree_result =
                    build_result_merkle_tree(&tasks_commitments, &compiled_results.task_results);
                let (result_merkle_tree, results_commitments) = results_merkle_tree_result;
                let task_merkle_root = tasks_merkle_tree.root();
                let mut combined_tasks = Vec::new();

                for (i, task) in tasks.into_iter().enumerate() {
                    match task {
                        TaskEnvelope::DatalakeCompute(datalake_compute) => {
                            let task_commitment = datalake_compute.commit();
                            let result_commitment = results_commitments[i];
                            let compiled_result = compiled_results.task_results[i];
                            let result_proof = result_merkle_tree
                                .get_proof(&DynSolValue::FixedBytes(result_commitment, 32))
                                .unwrap();
                            let task_proof = tasks_merkle_tree
                                .get_proof(&DynSolValue::FixedBytes(task_commitment, 32))
                                .unwrap();
                            let encoded_task = datalake_compute.encode()?;
                            let datalake_type = datalake_compute.datalake.get_datalake_type();
                            let property_type =
                                datalake_compute.datalake.get_collection_type().to_index();
                            debug!("compiled_result: {:#?}", compiled_result);
                            let datalake_compute = ProcessedDatalakeCompute::new(
                                Bytes::from(encoded_task),
                                task_commitment,
                                compiled_result,
                                result_commitment,
                                task_proof,
                                result_proof,
                                Bytes::from(datalake_compute.datalake.encode()?),
                                datalake_type.into(),
                                property_type,
                            );

                            let task = ProcessedTask::DatalakeCompute(datalake_compute);
                            combined_tasks.push(task);
                        }
                        TaskEnvelope::Module(module) => {
                            let task_commitment = module.task.commit();
                            let encoded_task = module.task.encode_task();
                            let result_commitment = results_commitments[i];
                            let compiled_result = compiled_results.task_results[i];
                            debug!("compiled_result: {:#?}", compiled_result);
                            let result_proof = result_merkle_tree
                                .get_proof(&DynSolValue::FixedBytes(result_commitment, 32))
                                .unwrap();
                            let task_proof = tasks_merkle_tree
                                .get_proof(&DynSolValue::FixedBytes(task_commitment, 32))
                                .unwrap();
                            let processed_module = ProcessedModule::new(
                                Bytes::from(encoded_task),
                                task_commitment,
                                result_commitment,
                                compiled_result,
                                task_proof,
                                result_proof,
                                module.task.inputs,
                                module.module_class,
                            );

                            let task = ProcessedTask::Module(processed_module);
                            combined_tasks.push(task);
                        }
                    }
                }

                // TODO: this chain id need to be fix
                let proofs = compiled_results.to_processed_block_vec();
                let processed_result = ProcessorInput::new(
                    SOUND_CAIRO_RUN_OUTPUT_FILE.into(),
                    result_merkle_tree.root(),
                    task_merkle_root,
                    proofs,
                    combined_tasks,
                );
                info!("1️⃣  Preprocessor completed successfully");
                Ok(processed_result)
            }
        }
    }
}