tari-rust/test_output_smt_debug.rs

// 调试脚本：测试GBT项目的output_smt_size计算
// 使用实际的区块数据来验证计算是否正确

use serde_json::Value;

// 模拟GBT项目中的calculate_output_smt_size函数
fn calculate_output_smt_size(
    prev_output_smt_size: u64,
    outputs: &[String],  // JSON字符串格式
    inputs: &[String],   // JSON字符串格式
) -> u64 {
    let mut size = prev_output_smt_size;
    let mut new_leaves = 0u64;
    let mut stale_leaves = 0u64;
    
    println!("=== 计算新叶子数量（排除销毁输出） ===");
    // 计算新叶子数量（排除销毁输出）
    for (i, output_json) in outputs.iter().enumerate() {
        match serde_json::from_str::<Value>(output_json) {
            Ok(output) => {
                // 尝试多种可能的JSON结构
                let is_burned = if let Some(features) = output.get("features") {
                    if let Some(output_type) = features.get("output_type") {
                        let burned = output_type.as_u64() == Some(2); // Burn = 2
                        println!("Output {}: features.output_type = {:?}, burned = {}", i, output_type, burned);
                        burned
                    } else {
                        println!("Output {}: features.output_type not found, assuming not burned", i);
                        false
                    }
                } else if let Some(output_type) = output.get("output_type") {
                    let burned = output_type.as_u64() == Some(2); // Burn = 2
                    println!("Output {}: output_type = {:?}, burned = {}", i, output_type, burned);
                    burned
                } else {
                    println!("Output {}: no output_type found, assuming not burned", i);
                    false
                };
                
                if !is_burned {
                    new_leaves += 1;
                    println!("Output {}: not burned, adding leaf (new_leaves = {})", i, new_leaves);
                } else {
                    println!("Output {}: burned, skipping", i);
                }
            },
            Err(e) => {
                println!("Failed to parse output {} JSON: {}, assuming not burned", i, e);
                new_leaves += 1; // 保守策略：假设不是销毁输出
            }
        }
    }
    
    println!("\n=== 计算移除叶子数量（排除销毁输入） ===");
    // 计算移除叶子数量（排除销毁输入）
    for (i, input_json) in inputs.iter().enumerate() {
        match serde_json::from_str::<Value>(input_json) {
            Ok(input) => {
                // 尝试多种可能的JSON结构
                let is_burned = if let Some(features) = input.get("features") {
                    if let Some(output_type) = features.get("output_type") {
                        let burned = output_type.as_u64() == Some(2); // Burn = 2
                        println!("Input {}: features.output_type = {:?}, burned = {}", i, output_type, burned);
                        burned
                    } else {
                        println!("Input {}: features.output_type not found, assuming not burned", i);
                        false
                    }
                } else if let Some(output_type) = input.get("output_type") {
                    let burned = output_type.as_u64() == Some(2); // Burn = 2
                    println!("Input {}: output_type = {:?}, burned = {}", i, output_type, burned);
                    burned
                } else {
                    println!("Input {}: no output_type found, assuming not burned", i);
                    false
                };
                
                if !is_burned {
                    stale_leaves += 1;
                    println!("Input {}: not burned, removing leaf (stale_leaves = {})", i, stale_leaves);
                } else {
                    println!("Input {}: burned, skipping", i);
                }
            },
            Err(e) => {
                println!("Failed to parse input {} JSON: {}, assuming not burned", i, e);
                stale_leaves += 1; // 保守策略：假设不是销毁输入
            }
        }
    }
    
    size += new_leaves;
    size = size.saturating_sub(stale_leaves);
    
    println!("\n=== 计算结果 ===");
    println!("output_smt_size calculation: {} (prev) + {} (new_leaves) - {} (stale_leaves) = {} (current)", 
             prev_output_smt_size, new_leaves, stale_leaves, size);
    
    size
}

fn main() {
    println!("GBT项目 output_smt_size 计算调试");
    println!("================================\n");
    
    // 使用你提供的实际数据
    let prev_output_smt_size = 809326; // 区块链上的实际值
    
    // 这里需要实际的outputs和inputs JSON数据
    // 由于你没有提供具体的outputs和inputs数据，我们创建一个示例
    
    println!("测试用例1: 基本计算");
    println!("prev_output_smt_size = {}", prev_output_smt_size);
    
    // 示例数据（你需要用实际的数据替换）
    let outputs = vec![
        r#"{"features": {"output_type": 0}}"#.to_string(), // Standard output
        r#"{"features": {"output_type": 1}}"#.to_string(), // Coinbase output
        r#"{"features": {"output_type": 2}}"#.to_string(), // Burned output
    ];
    
    let inputs = vec![
        r#"{"features": {"output_type": 0}}"#.to_string(), // Standard input
        r#"{"features": {"output_type": 2}}"#.to_string(), // Burned input
    ];
    
    let calculated_size = calculate_output_smt_size(prev_output_smt_size, &outputs, &inputs);
    
    println!("\n=== 最终结果 ===");
    println!("期望值: 809326");
    println!("计算值: {}", calculated_size);
    println!("差异: {}", 809326i64 - calculated_size as i64);
    
    if calculated_size == 809326 {
        println!("✅ 计算正确！");
    } else {
        println!("❌ 计算错误！需要调试JSON数据结构");
    }
    
    println!("\n=== 调试建议 ===");
    println!("1. 检查实际的outputs和inputs JSON结构");
    println!("2. 确认output_type字段的位置和值");
    println!("3. 验证销毁输出的识别逻辑");
    println!("4. 检查是否有其他影响SMT大小的因素");
}