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pub use self::{attr::*, block::*, utils::*};
pub(crate) mod attr;
pub(crate) mod block;
pub(crate) mod utils {
#![allow(clippy::too_many_arguments)]
use crate::{
blocks::{
Block, BlockContent, BlockDifficulty, BlockHeader, BlockJustification, BlockType,
},
transactions::SignedTransaction,
BlockHs, BlockId, BlockNc, BlockTs,
};
use algae::merkle::{MerkleTree, MerkleTreeWrapper};
use scsys::prelude::{hasher, H256};
use serde_json::json;
pub fn calculate_block_hash(
id: BlockId,
nonce: BlockNc,
previous: BlockHs,
timestamp: BlockTs,
transactions: Vec<SignedTransaction>,
) -> H256 {
let cache = json!(
{
"id": id,
"nonce": nonce,
"previous": previous,
"timestamp": timestamp,
"transactions": transactions
}
);
hasher(&cache).as_slice().to_owned().into()
}
pub fn generate_pow_block(
data: &[SignedTransaction],
difficulty: BlockDifficulty,
justification: BlockJustification,
transaction_ref: &[H256],
parent: &H256,
nonce: u32,
rand: u128,
timestamp: i64,
selfish_block: bool,
) -> Block {
let mt = MerkleTree::create(data);
let block_type = BlockType::PoW;
let content = BlockContent::new(data.to_vec(), transaction_ref.to_vec());
let header = BlockHeader::new(
difficulty,
justification,
nonce,
*parent,
rand,
mt.root(),
timestamp,
);
Block::new(content, header, block_type, selfish_block)
}
pub fn generate_genesis_block(initial_time: i64) -> Block {
let content = BlockContent::default();
let difficulty = BlockDifficulty::default();
let justification = BlockJustification::default();
let block_type = BlockType::from(true);
let selfish_block = false;
let header = BlockHeader::new(
difficulty,
justification,
Default::default(),
Default::default(),
Default::default(),
Default::default(),
initial_time,
);
Block::new(content, header, block_type, selfish_block)
}
pub fn generate_random_block(class: BlockType, selfish: bool) -> Block {
let content = super::generate_random_block_content();
let header = super::generate_random_block_header(content.data.clone());
Block::new(content, header, class, selfish)
}
pub fn generate_random_pos_block(selfish: bool) -> Block {
generate_random_block(BlockType::PoS, selfish)
}
pub fn generate_random_pow_block(selfish: bool) -> Block {
generate_random_block(BlockType::PoW, selfish)
}
}