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tests for difficulty adjustment scenarios (#887)

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* tests for difficulty adjustment scenarios

* ignore test
This commit is contained in:
Yeastplume 2018-03-27 19:15:42 +01:00 committed by GitHub
parent 10addfcd79
commit 6a6e600e48
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2 changed files with 66 additions and 0 deletions
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30
chain/tests/mine_simple_chain.rs
View file

@ -433,3 +433,33 @@ fn prepare_block_nosum(
b.header.pow = core::core::Proof::random(proof_size);
b
}
#[test]
#[ignore]
fn actual_diff_iter_output() {
global::set_mining_mode(ChainTypes::AutomatedTesting);
let genesis_block = pow::mine_genesis_block(None).unwrap();
let chain = chain::Chain::init(
"../.grin".to_string(),
Arc::new(NoopAdapter {}),
genesis_block,
pow::verify_size,
).unwrap();
let iter = chain.difficulty_iter();
let mut last_time = 0;
let mut first = true;
for i in iter.into_iter() {
let elem = i.unwrap();
if first {
last_time = elem.0;
first = false;
}
println!(
"next_difficulty time: {}, diff: {}, duration: {} ",
elem.0,
elem.1.into_num(),
last_time - elem.0
);
last_time = elem.0;
}
}

36
core/tests/consensus.rs
View file

@ -64,6 +64,18 @@ fn add_block(
return_chain
}
// Adds many defined blocks
fn add_blocks(
intervals: Vec<u64>,
chain_sim: Vec<Result<(u64, Difficulty), TargetError>>,
) -> Vec<Result<(u64, Difficulty), TargetError>> {
let mut return_chain = chain_sim.clone();
for i in intervals {
return_chain = add_block(i, return_chain.clone());
}
return_chain
}
// Adds another n 'blocks' to the iterator, with difficulty calculated
fn add_block_repeated(
interval: u64,
@ -83,8 +95,13 @@ fn print_chain_sim(chain_sim: &Vec<Result<(u64, Difficulty), TargetError>>) {
let mut chain_sim = chain_sim.clone();
chain_sim.reverse();
let mut last_time = 0;
let mut first = true;
chain_sim.iter().enumerate().for_each(|(i, b)| {
let block = b.as_ref().unwrap();
if first {
last_time = block.0;
first = false;
}
println!(
"Height: {}, Time: {}, Interval: {}, Next network difficulty:{}",
i,
@ -179,6 +196,25 @@ fn adjustment_scenarios() {
println!("*********************************************************");
print_chain_sim(&chain_sim);
println!("*********************************************************");
// Actual testnet 2 timings
let testnet2_intervals = [
2880, 16701, 1882, 3466, 614, 605, 1551, 538, 931, 23, 690, 1397, 2112, 2058, 605, 721,
2148, 1605, 134, 1234, 1569, 482, 1775, 2732, 540, 958, 883, 3475, 518, 1346, 1926, 780,
865, 269, 141, 105, 781, 289, 256, 709, 68, 165, 1813, 3899, 1458, 955, 2336, 239, 674,
1059, 157, 214, 15, 157, 558, 1945, 1677,
];
global::set_mining_mode(global::ChainTypes::Testnet2);
let chain_sim = create_chain_sim(global::initial_block_difficulty());
let chain_sim = add_blocks(testnet2_intervals.to_vec(), chain_sim);
println!("");
println!("*********************************************************");
println!("Scenario 6) Testnet2");
println!("*********************************************************");
print_chain_sim(&chain_sim);
println!("*********************************************************");
}
/// Checks different next_target adjustments and difficulty boundaries