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fix: update stdin builder API in fibonacci and tendermint examples #84

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fix: update stdin builder API in fibonacci and tendermint examples #84

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d7ea2cd
Refactor prover client stdin handling
avorylli Dec 9, 2025
42572b1
Refactor stdin_builder initialization and usage
avorylli Dec 9, 2025
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6 changes: 3 additions & 3 deletions examples/fibonacci/prover/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,14 +13,14 @@ fn main() {

// Initialize the prover client
let client = DefaultProverClient::new(&elf);
let stdin_builder = client.get_stdin_builder(); // Shared instance
let mut stdin_builder = client.new_stdin_builder();

// Set up input and generate proof
let n = 100u32;
stdin_builder.borrow_mut().write(&n);
stdin_builder.write(&n);

// Generate proof
let proof = client.prove_fast().expect("Failed to generate proof");
let proof = client.prove_fast(stdin_builder).expect("Failed to generate proof");

// Decodes public values from the proof's public value stream.
let public_buffer = proof.pv_stream.unwrap();
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8 changes: 4 additions & 4 deletions examples/tendermint/prover/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ fn main() {
println!("elf length: {}", elf.len());

let client = DefaultProverClient::new(&elf);
let stdin_builder = client.get_stdin_builder(); // Shared instance
let mut stdin_builder = client.new_stdin_builder();

// Load light blocks from the `files` subdirectory
let (light_block_1, light_block_2) = get_light_blocks();
Expand All @@ -43,10 +43,10 @@ fn main() {
println!("encode_1 length: {}", encoded_1.len());
println!("encode_2 length: {}", encoded_2.len());

stdin_builder.borrow_mut().write_slice(&encoded_1);
stdin_builder.borrow_mut().write_slice(&encoded_2);
stdin_builder.write_slice(&encoded_1);
stdin_builder.write_slice(&encoded_2);

let proof = client.prove_fast().expect("proving failed");
let proof = client.prove_fast(stdin_builder).expect("proving failed");

// Verify the public values
let mut expected_public_values: Vec<u8> = Vec::new();
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