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|
use mt_rs::{
hasher::{Blake3Hasher, Hasher},
node::Node,
proof::{DefaultProofer, Proofer},
};
fn main() {
let root_hash = match std::env::args().nth(1) {
Some(hash) => hash,
None => {
eprintln!(
"Usage: cargo run --example proofer_blake3 -- <root_hash> <file1> <file2> ..."
);
std::process::exit(1);
}
};
let filenames: Vec<String> = std::env::args().skip(2).collect();
if filenames.is_empty() {
eprintln!("Usage: cargo run --example proofer_blake3 -- <root_hash> <file1> <file2> ...");
std::process::exit(1);
}
let mut nodes: Vec<Node> = Vec::new();
for filename in &filenames {
match std::fs::read(filename) {
Ok(contents) => {
let hash = Blake3Hasher::new().hash(&contents);
nodes.push(Node::new_leaf(&contents, hash));
}
Err(e) => {
eprintln!("Failed to read file '{}': {}", filename, e);
std::process::exit(1);
}
}
}
let first_node = nodes[0].clone();
let hasher = Blake3Hasher::new();
let proofer = DefaultProofer::new(&hasher, nodes);
let proof = proofer.generate(0).expect("Couldn't generate proof");
println!(
"{}",
proofer.verify(&proof, first_node.data(), &root_hash[..], &hasher)
);
}
|
