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chain_spec.rs
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chain_spec.rs
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use gateway_runtime::{
opaque, wasm_binary_unwrap, AccountId, AuraConfig, CashConfig, GenesisConfig, GrandpaConfig,
OracleConfig, SessionConfig, Signature, SystemConfig,
};
use our_std::{convert::TryInto, str::FromStr};
use pallet_cash::{
chains::{Chain, ChainBlock, ChainStarport, Ethereum},
types::{AssetInfo, Timestamp, ValidatorKeys, APR},
};
use sc_service::ChainType;
use sp_consensus_aura::sr25519::AuthorityId as AuraId;
use sp_core::{sr25519, Pair, Public};
use sp_finality_grandpa::AuthorityId as GrandpaId;
use sp_runtime::traits::{IdentifyAccount, Verify};
// XXX are we going to setup our own telemetry server?
// The URL for the telemetry server.
// const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
/// Specialized `ChainSpec`. This is a specialization of the general Substrate ChainSpec type.
pub type ChainSpec = sc_service::GenericChainSpec<GenesisConfig>;
/// Generate a crypto pair from seed.
pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
TPublic::Pair::from_string(&format!("//{}", seed), None)
.expect("static values are valid; qed")
.public()
}
type AccountPublic = <Signature as Verify>::Signer;
/// Generate an account ID from seed.
pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId
where
AccountPublic: From<<TPublic::Pair as Pair>::Public>,
{
AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
}
// XXX just construct ValidatorKeys here and should include aura/grandpa?
/// Generate various keys from seed
pub fn authority_keys_from_seed(
seed: &str,
identity: &str,
) -> (AccountId, <Ethereum as Chain>::Address, AuraId, GrandpaId) {
(
get_account_id_from_seed::<sr25519::Public>(seed),
<Ethereum as Chain>::str_to_address(identity).unwrap(),
get_from_seed::<AuraId>(seed),
get_from_seed::<GrandpaId>(seed),
)
}
fn development_genesis() -> GenesisConfig {
testnet_genesis(
// Initial PoA authorities
vec![authority_keys_from_seed(
"Alice",
"0xc77494d805d2b455686ba6a6bdf1c68ecf6e1cd7",
)],
// Initial reporters
vec![
"0x85615b076615317c80f14cbad6501eec031cd51c",
"0xfCEAdAFab14d46e20144F48824d0C09B1a03F2BC",
],
// Initial assets
vec![
AssetInfo {
liquidity_factor: FromStr::from_str("6789").unwrap(),
..AssetInfo::minimal(
FromStr::from_str("eth:0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE").unwrap(),
FromStr::from_str("ETH/18").unwrap(),
)
},
AssetInfo {
ticker: FromStr::from_str("USD").unwrap(),
liquidity_factor: FromStr::from_str("6789").unwrap(),
..AssetInfo::minimal(
FromStr::from_str("eth:0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48").unwrap(),
FromStr::from_str("USDC/6").unwrap(),
)
},
],
// Initial cash yield
FromStr::from_str("0").unwrap(),
// Initial timestamp
wasm_timer::SystemTime::now()
.duration_since(wasm_timer::UNIX_EPOCH)
.expect("cannot get system time for genesis")
.as_millis() as Timestamp,
// Starports
vec![],
// Genesis Blocks
vec![],
)
}
pub fn development_config() -> ChainSpec {
ChainSpec::from_genesis(
// Name
"Development",
// ID
"dev",
ChainType::Development,
development_genesis,
// Bootnodes
vec![],
// Telemetry
None,
// Protocol ID
None,
// Properties
None,
// Extensions
None,
)
}
fn local_testnet_genesis() -> GenesisConfig {
testnet_genesis(
// Initial PoA authorities
vec![],
// Initial reporters
vec![],
// Initial assets
vec![],
// Initial cash yield
FromStr::from_str("0").unwrap(),
// Initial timestamp
0 as Timestamp,
// Starports
vec![],
// Genesis Blocks
vec![],
)
}
pub fn local_testnet_config() -> ChainSpec {
ChainSpec::from_genesis(
// Name
"Local Testnet",
// ID
"local_testnet",
ChainType::Local,
local_testnet_genesis,
// Bootnodes
vec![],
// Telemetry
None,
// Protocol ID
Some("local"),
// Properties
None,
// Extensions
None,
)
}
/// Configure initial storage state for FRAME modules.
fn testnet_genesis(
initial_authorities: Vec<(AccountId, <Ethereum as Chain>::Address, AuraId, GrandpaId)>,
reporters: Vec<&str>,
assets: Vec<AssetInfo>,
cash_yield: APR,
last_yield_timestamp: Timestamp,
starports: Vec<ChainStarport>,
genesis_blocks: Vec<ChainBlock>,
) -> GenesisConfig {
GenesisConfig {
frame_system: SystemConfig {
// Add Wasm runtime to storage.
code: wasm_binary_unwrap().to_vec(),
changes_trie_config: Default::default(),
},
pallet_aura: AuraConfig {
authorities: vec![],
},
pallet_grandpa: GrandpaConfig {
authorities: vec![],
},
pallet_session: SessionConfig {
keys: initial_authorities
.iter()
.map(|x| {
(
x.0.clone(),
x.0.clone(),
opaque::SessionKeys {
aura: x.2.clone(),
grandpa: x.3.clone(),
},
)
})
.collect::<Vec<_>>(),
},
pallet_cash: CashConfig {
cash_yield,
last_yield_timestamp,
assets,
// XXX initial authorities should just be Vec<ValidatorKeys>?
validators: initial_authorities
.iter()
.map(|v| ValidatorKeys {
substrate_id: v.0.clone(),
eth_address: v.1,
})
.collect::<Vec<_>>(),
starports: starports,
genesis_blocks: genesis_blocks,
},
pallet_oracle: OracleConfig {
reporters: reporters.try_into().unwrap(),
},
}
}
#[cfg(test)]
pub(crate) mod tests {
use super::*;
use gateway_runtime::BuildStorage;
#[test]
fn test_create_development_chain_spec() {
development_config().build_storage().unwrap();
}
#[test]
fn test_create_local_testnet_chain_spec() {
integration_test_config_with_single_authority()
.build_storage()
.unwrap();
}
fn local_testnet_genesis_instant_single() -> GenesisConfig {
testnet_genesis(
// Initial PoA authorities
vec![authority_keys_from_seed(
"Alice",
"0x435228f5ad6fc8ce7b4398456a72a2f14577d9cd",
)],
// Initial reporters
vec![
"0x85615b076615317c80f14cbad6501eec031cd51c",
"0xfCEAdAFab14d46e20144F48824d0C09B1a03F2BC",
],
// Initial assets
vec![],
// Initial cash yield
FromStr::from_str("0").unwrap(),
// Initial timestamp
0 as Timestamp,
// Starports
vec![],
// Genesis Blocks
vec![],
)
}
/// Local testnet config (single validator - Alice)
pub fn integration_test_config_with_single_authority() -> ChainSpec {
ChainSpec::from_genesis(
"Integration Test",
"test",
ChainType::Development,
local_testnet_genesis_instant_single,
vec![],
None,
None,
None,
Default::default(),
)
}
/// Local testnet config (multivalidator Alice + Bob)
pub fn integration_test_config_with_two_authorities() -> ChainSpec {
ChainSpec::from_genesis(
"Integration Test",
"test",
ChainType::Development,
local_testnet_genesis,
vec![],
None,
None,
None,
Default::default(),
)
}
}