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Start genesis with a Tick, so that its hash can be used to bootstrap verification

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This commit is contained in:
Greg Fitzgerald
2018-03-03 19:57:22 -07:00
parent 11a0f96f5e
commit cebcb5b92d
3 changed files with 15 additions and 20 deletions
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17
src/genesis.rs
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@@ -1,8 +1,7 @@
//! A library for generating the chain's genesis block.
use event::{generate_keypair, get_pubkey, sign_claim_data, sign_transaction_data, Event, PublicKey};
use log::Sha256Hash;
use ring::rand::{SecureRandom, SystemRandom};
use ring::rand::SystemRandom;
use ring::signature::Ed25519KeyPair;
use untrusted::Input;
@@ -38,7 +37,6 @@ impl Creator {
#[derive(Serialize, Deserialize, Debug)]
pub struct Genesis {
pub seed: Sha256Hash,
pub pkcs8: Vec<u8>,
pub tokens: u64,
pub creators: Vec<Creator>,
@@ -47,12 +45,8 @@ pub struct Genesis {
impl Genesis {
pub fn new(tokens: u64, creators: Vec<Creator>) -> Self {
let rnd = SystemRandom::new();
let mut seed_arr = [0; 32];
rnd.fill(&mut seed_arr).unwrap();
let seed = *Sha256Hash::from_slice(&seed_arr);
let pkcs8 = Ed25519KeyPair::generate_pkcs8(&rnd).unwrap().to_vec();
Genesis {
seed,
pkcs8,
tokens,
creators,
@@ -62,8 +56,9 @@ impl Genesis {
pub fn create_events(&self) -> Vec<Event<u64>> {
let org_keypair = Ed25519KeyPair::from_pkcs8(Input::from(&self.pkcs8)).unwrap();
let sig = sign_claim_data(&self.tokens, &org_keypair);
let event0 = Event::new_claim(get_pubkey(&org_keypair), self.tokens, sig);
let mut events = vec![event0];
let event0 = Event::Tick;
let event1 = Event::new_claim(get_pubkey(&org_keypair), self.tokens, sig);
let mut events = vec![event0, event1];
for creator in &self.creators {
let tx = creator.create_transaction(&org_keypair);
@@ -87,12 +82,12 @@ mod tests {
#[test]
fn test_create_events() {
assert_eq!(Genesis::new(100, vec![]).create_events().len(), 1);
assert_eq!(Genesis::new(100, vec![]).create_events().len(), 2);
assert_eq!(
Genesis::new(100, vec![Creator::new("Satoshi", 42)])
.create_events()
.len(),
2
3
);
}
}