use serde::de::DeserializeOwned;
#[cfg(feature = "stargate")]
use serde::Serialize;
use std::collections::HashMap;
use crate::addresses::{Addr, CanonicalAddr};
use crate::binary::Binary;
use crate::coins::Coin;
use crate::deps::OwnedDeps;
use crate::errors::{RecoverPubkeyError, StdError, StdResult, SystemError, VerificationError};
#[cfg(feature = "stargate")]
use crate::ibc::{IbcChannel, IbcEndpoint, IbcOrder, IbcPacket, IbcTimeoutBlock};
use crate::query::{
AllBalanceResponse, BalanceResponse, BankQuery, CustomQuery, QueryRequest, WasmQuery,
};
#[cfg(feature = "staking")]
use crate::query::{
AllDelegationsResponse, AllValidatorsResponse, BondedDenomResponse, DelegationResponse,
FullDelegation, StakingQuery, Validator, ValidatorResponse,
};
use crate::results::{ContractResult, Empty, SystemResult};
use crate::serde::{from_slice, to_binary};
use crate::storage::MemoryStorage;
use crate::traits::{Api, Querier, QuerierResult};
use crate::types::{BlockInfo, ContractInfo, Env, MessageInfo};
pub const MOCK_CONTRACT_ADDR: &str = "cosmos2contract";
pub fn mock_dependencies(
contract_balance: &[Coin],
) -> OwnedDeps<MockStorage, MockApi, MockQuerier> {
OwnedDeps {
storage: MockStorage::default(),
api: MockApi::default(),
querier: MockQuerier::new(&[(MOCK_CONTRACT_ADDR, contract_balance)]),
}
}
pub fn mock_dependencies_with_balances(
balances: &[(&str, &[Coin])],
) -> OwnedDeps<MockStorage, MockApi, MockQuerier> {
OwnedDeps {
storage: MockStorage::default(),
api: MockApi::default(),
querier: MockQuerier::new(balances),
}
}
pub type MockStorage = MemoryStorage;
#[derive(Copy, Clone)]
pub struct MockApi {
pub canonical_length: usize,
}
impl Default for MockApi {
fn default() -> Self {
MockApi {
canonical_length: 24,
}
}
}
impl Api for MockApi {
fn addr_validate(&self, human: &str) -> StdResult<Addr> {
self.addr_canonicalize(human).map(|_canonical| ())?;
Ok(Addr::unchecked(human))
}
fn addr_canonicalize(&self, human: &str) -> StdResult<CanonicalAddr> {
if human.len() < 3 {
return Err(StdError::generic_err(
"Invalid input: human address too short",
));
}
if human.len() > self.canonical_length {
return Err(StdError::generic_err(
"Invalid input: human address too long",
));
}
let mut out = Vec::from(human);
out.resize(self.canonical_length, 0x00);
let rotate_by = digit_sum(&out) % self.canonical_length;
out.rotate_left(rotate_by);
for _ in 0..18 {
out = riffle_shuffle(&out);
}
Ok(out.into())
}
fn addr_humanize(&self, canonical: &CanonicalAddr) -> StdResult<Addr> {
if canonical.len() != self.canonical_length {
return Err(StdError::generic_err(
"Invalid input: canonical address length not correct",
));
}
let mut tmp: Vec<u8> = canonical.clone().into();
for _ in 0..2 {
tmp = riffle_shuffle(&tmp);
}
let rotate_by = digit_sum(&tmp) % self.canonical_length;
tmp.rotate_right(rotate_by);
let trimmed = tmp.into_iter().filter(|&x| x != 0x00).collect();
let human = String::from_utf8(trimmed)?;
Ok(Addr::unchecked(human))
}
fn secp256k1_verify(
&self,
message_hash: &[u8],
signature: &[u8],
public_key: &[u8],
) -> Result<bool, VerificationError> {
Ok(cosmwasm_crypto::secp256k1_verify(
message_hash,
signature,
public_key,
)?)
}
fn secp256k1_recover_pubkey(
&self,
message_hash: &[u8],
signature: &[u8],
recovery_param: u8,
) -> Result<Vec<u8>, RecoverPubkeyError> {
let pubkey =
cosmwasm_crypto::secp256k1_recover_pubkey(message_hash, signature, recovery_param)?;
Ok(pubkey.to_vec())
}
fn ed25519_verify(
&self,
message: &[u8],
signature: &[u8],
public_key: &[u8],
) -> Result<bool, VerificationError> {
Ok(cosmwasm_crypto::ed25519_verify(
message, signature, public_key,
)?)
}
fn ed25519_batch_verify(
&self,
messages: &[&[u8]],
signatures: &[&[u8]],
public_keys: &[&[u8]],
) -> Result<bool, VerificationError> {
Ok(cosmwasm_crypto::ed25519_batch_verify(
messages,
signatures,
public_keys,
)?)
}
fn debug(&self, message: &str) {
println!("{}", message);
}
}
pub fn mock_env() -> Env {
Env {
block: BlockInfo {
height: 12_345,
time: 1_571_797_419,
time_nanos: 879305533,
chain_id: "cosmos-testnet-14002".to_string(),
},
contract: ContractInfo {
address: Addr::unchecked(MOCK_CONTRACT_ADDR),
},
}
}
pub fn mock_info(sender: &str, funds: &[Coin]) -> MessageInfo {
MessageInfo {
sender: Addr::unchecked(sender),
funds: funds.to_vec(),
}
}
#[cfg(feature = "stargate")]
pub fn mock_ibc_channel(my_channel_id: &str, order: IbcOrder, version: &str) -> IbcChannel {
IbcChannel {
endpoint: IbcEndpoint {
port_id: "my_port".to_string(),
channel_id: my_channel_id.to_string(),
},
counterparty_endpoint: IbcEndpoint {
port_id: "their_port".to_string(),
channel_id: "channel-7".to_string(),
},
order,
version: version.to_string(),
counterparty_version: Some(version.to_string()),
connection_id: "connection-2".to_string(),
}
}
#[cfg(feature = "stargate")]
pub fn mock_ibc_packet_recv<T: Serialize>(my_channel_id: &str, data: &T) -> StdResult<IbcPacket> {
Ok(IbcPacket {
data: to_binary(data)?,
src: IbcEndpoint {
port_id: "their-port".to_string(),
channel_id: "channel-1234".to_string(),
},
dest: IbcEndpoint {
port_id: "our-port".to_string(),
channel_id: my_channel_id.into(),
},
sequence: 27,
timeout_block: Some(IbcTimeoutBlock {
revision: 1,
height: 12345678,
}),
timeout_timestamp: None,
})
}
#[cfg(feature = "stargate")]
pub fn mock_ibc_packet_ack<T: Serialize>(my_channel_id: &str, data: &T) -> StdResult<IbcPacket> {
Ok(IbcPacket {
data: to_binary(data)?,
src: IbcEndpoint {
port_id: "their-port".to_string(),
channel_id: my_channel_id.into(),
},
dest: IbcEndpoint {
port_id: "our-port".to_string(),
channel_id: "channel-1234".to_string(),
},
sequence: 29,
timeout_block: Some(IbcTimeoutBlock {
revision: 1,
height: 432332552,
}),
timeout_timestamp: None,
})
}
pub type MockQuerierCustomHandlerResult = SystemResult<ContractResult<Binary>>;
pub struct MockQuerier<C: DeserializeOwned = Empty> {
bank: BankQuerier,
#[cfg(feature = "staking")]
staking: StakingQuerier,
wasm: NoWasmQuerier,
custom_handler: Box<dyn for<'a> Fn(&'a C) -> MockQuerierCustomHandlerResult>,
}
impl<C: DeserializeOwned> MockQuerier<C> {
pub fn new(balances: &[(&str, &[Coin])]) -> Self {
MockQuerier {
bank: BankQuerier::new(balances),
#[cfg(feature = "staking")]
staking: StakingQuerier::default(),
wasm: NoWasmQuerier {},
custom_handler: Box::from(|_: &_| -> MockQuerierCustomHandlerResult {
SystemResult::Err(SystemError::UnsupportedRequest {
kind: "custom".to_string(),
})
}),
}
}
pub fn update_balance<U: Into<String>>(
&mut self,
addr: U,
balance: Vec<Coin>,
) -> Option<Vec<Coin>> {
self.bank.balances.insert(addr.into(), balance)
}
#[cfg(feature = "staking")]
pub fn update_staking(
&mut self,
denom: &str,
validators: &[crate::query::Validator],
delegations: &[crate::query::FullDelegation],
) {
self.staking = StakingQuerier::new(denom, validators, delegations);
}
pub fn with_custom_handler<CH: 'static>(mut self, handler: CH) -> Self
where
CH: Fn(&C) -> MockQuerierCustomHandlerResult,
{
self.custom_handler = Box::from(handler);
self
}
}
impl<C: CustomQuery + DeserializeOwned> Querier for MockQuerier<C> {
fn raw_query(&self, bin_request: &[u8]) -> QuerierResult {
let request: QueryRequest<C> = match from_slice(bin_request) {
Ok(v) => v,
Err(e) => {
return SystemResult::Err(SystemError::InvalidRequest {
error: format!("Parsing query request: {}", e),
request: bin_request.into(),
})
}
};
self.handle_query(&request)
}
}
impl<C: CustomQuery + DeserializeOwned> MockQuerier<C> {
pub fn handle_query(&self, request: &QueryRequest<C>) -> QuerierResult {
match &request {
QueryRequest::Bank(bank_query) => self.bank.query(bank_query),
QueryRequest::Custom(custom_query) => (*self.custom_handler)(custom_query),
#[cfg(feature = "staking")]
QueryRequest::Staking(staking_query) => self.staking.query(staking_query),
QueryRequest::Wasm(msg) => self.wasm.query(msg),
#[cfg(feature = "stargate")]
QueryRequest::Stargate { .. } => SystemResult::Err(SystemError::UnsupportedRequest {
kind: "Stargate".to_string(),
}),
#[cfg(feature = "stargate")]
QueryRequest::Ibc(_) => SystemResult::Err(SystemError::UnsupportedRequest {
kind: "Ibc".to_string(),
}),
}
}
}
#[derive(Clone, Default)]
struct NoWasmQuerier {
}
impl NoWasmQuerier {
fn query(&self, request: &WasmQuery) -> QuerierResult {
let addr = match request {
WasmQuery::Smart { contract_addr, .. } => contract_addr,
WasmQuery::Raw { contract_addr, .. } => contract_addr,
}
.clone();
SystemResult::Err(SystemError::NoSuchContract { addr })
}
}
#[derive(Clone, Default)]
pub struct BankQuerier {
balances: HashMap<String, Vec<Coin>>,
}
impl BankQuerier {
pub fn new(balances: &[(&str, &[Coin])]) -> Self {
let mut map = HashMap::new();
for (addr, coins) in balances.iter() {
map.insert(addr.to_string(), coins.to_vec());
}
BankQuerier { balances: map }
}
pub fn query(&self, request: &BankQuery) -> QuerierResult {
let contract_result: ContractResult<Binary> = match request {
BankQuery::Balance { address, denom } => {
let amount = self
.balances
.get(address)
.and_then(|v| v.iter().find(|c| &c.denom == denom).map(|c| c.amount))
.unwrap_or_default();
let bank_res = BalanceResponse {
amount: Coin {
amount,
denom: denom.to_string(),
},
};
to_binary(&bank_res).into()
}
BankQuery::AllBalances { address } => {
let bank_res = AllBalanceResponse {
amount: self.balances.get(address).cloned().unwrap_or_default(),
};
to_binary(&bank_res).into()
}
};
SystemResult::Ok(contract_result)
}
}
#[cfg(feature = "staking")]
#[derive(Clone, Default)]
pub struct StakingQuerier {
denom: String,
validators: Vec<Validator>,
delegations: Vec<FullDelegation>,
}
#[cfg(feature = "staking")]
impl StakingQuerier {
pub fn new(denom: &str, validators: &[Validator], delegations: &[FullDelegation]) -> Self {
StakingQuerier {
denom: denom.to_string(),
validators: validators.to_vec(),
delegations: delegations.to_vec(),
}
}
pub fn query(&self, request: &StakingQuery) -> QuerierResult {
let contract_result: ContractResult<Binary> = match request {
StakingQuery::BondedDenom {} => {
let res = BondedDenomResponse {
denom: self.denom.clone(),
};
to_binary(&res).into()
}
StakingQuery::AllValidators {} => {
let res = AllValidatorsResponse {
validators: self.validators.clone(),
};
to_binary(&res).into()
}
StakingQuery::Validator { address } => {
let validator: Option<Validator> = self
.validators
.iter()
.find(|validator| validator.address == *address)
.cloned();
let res = ValidatorResponse { validator };
to_binary(&res).into()
}
StakingQuery::AllDelegations { delegator } => {
let delegations: Vec<_> = self
.delegations
.iter()
.filter(|d| d.delegator.as_str() == delegator)
.cloned()
.map(|d| d.into())
.collect();
let res = AllDelegationsResponse { delegations };
to_binary(&res).into()
}
StakingQuery::Delegation {
delegator,
validator,
} => {
let delegation = self
.delegations
.iter()
.find(|d| d.delegator.as_str() == delegator && d.validator == *validator);
let res = DelegationResponse {
delegation: delegation.cloned(),
};
to_binary(&res).into()
}
};
SystemResult::Ok(contract_result)
}
}
pub fn riffle_shuffle<T: Clone>(input: &[T]) -> Vec<T> {
assert!(
input.len() % 2 == 0,
"Method only defined for even number of elements"
);
let mid = input.len() / 2;
let (left, right) = input.split_at(mid);
let mut out = Vec::<T>::with_capacity(input.len());
for i in 0..mid {
out.push(right[i].clone());
out.push(left[i].clone());
}
out
}
pub fn digit_sum(input: &[u8]) -> usize {
input.iter().fold(0, |sum, val| sum + (*val as usize))
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{coin, coins, from_binary};
#[cfg(feature = "staking")]
use crate::{Decimal, Delegation};
use hex_literal::hex;
const SECP256K1_MSG_HASH_HEX: &str =
"5ae8317d34d1e595e3fa7247db80c0af4320cce1116de187f8f7e2e099c0d8d0";
const SECP256K1_SIG_HEX: &str = "207082eb2c3dfa0b454e0906051270ba4074ac93760ba9e7110cd9471475111151eb0dbbc9920e72146fb564f99d039802bf6ef2561446eb126ef364d21ee9c4";
const SECP256K1_PUBKEY_HEX: &str = "04051c1ee2190ecfb174bfe4f90763f2b4ff7517b70a2aec1876ebcfd644c4633fb03f3cfbd94b1f376e34592d9d41ccaf640bb751b00a1fadeb0c01157769eb73";
const ED25519_MSG_HEX: &str = "72";
const ED25519_SIG_HEX: &str = "92a009a9f0d4cab8720e820b5f642540a2b27b5416503f8fb3762223ebdb69da085ac1e43e15996e458f3613d0f11d8c387b2eaeb4302aeeb00d291612bb0c00";
const ED25519_PUBKEY_HEX: &str =
"3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c";
#[test]
fn mock_info_works() {
let info = mock_info("my name", &coins(100, "atom"));
assert_eq!(
info,
MessageInfo {
sender: Addr::unchecked("my name"),
funds: vec![Coin {
amount: 100u128.into(),
denom: "atom".into(),
}]
}
);
}
#[test]
fn canonicalize_and_humanize_restores_original() {
let api = MockApi::default();
let original = String::from("shorty");
let canonical = api.addr_canonicalize(&original).unwrap();
let recovered = api.addr_humanize(&canonical).unwrap();
assert_eq!(recovered, original);
}
#[test]
#[should_panic(expected = "address too short")]
fn addr_canonicalize_min_input_length() {
let api = MockApi::default();
let human = String::from("1");
let _ = api.addr_canonicalize(&human).unwrap();
}
#[test]
#[should_panic(expected = "address too long")]
fn addr_canonicalize_max_input_length() {
let api = MockApi::default();
let human = String::from("some-extremely-long-address-not-supported-by-this-api");
let _ = api.addr_canonicalize(&human).unwrap();
}
#[test]
fn addr_canonicalize_works_with_string_inputs() {
let api = MockApi::default();
let input = String::from("foobar123");
api.addr_canonicalize(&input).unwrap();
let input = "foobar456";
api.addr_canonicalize(&input).unwrap();
}
#[test]
#[should_panic(expected = "length not correct")]
fn addr_humanize_input_length() {
let api = MockApi::default();
let input = CanonicalAddr(Binary(vec![61; 11]));
api.addr_humanize(&input).unwrap();
}
#[test]
fn secp256k1_verify_works() {
let api = MockApi::default();
let hash = hex::decode(SECP256K1_MSG_HASH_HEX).unwrap();
let signature = hex::decode(SECP256K1_SIG_HEX).unwrap();
let public_key = hex::decode(SECP256K1_PUBKEY_HEX).unwrap();
assert!(api
.secp256k1_verify(&hash, &signature, &public_key)
.unwrap());
}
#[test]
fn secp256k1_verify_fails() {
let api = MockApi::default();
let mut hash = hex::decode(SECP256K1_MSG_HASH_HEX).unwrap();
hash[0] ^= 0x01;
let signature = hex::decode(SECP256K1_SIG_HEX).unwrap();
let public_key = hex::decode(SECP256K1_PUBKEY_HEX).unwrap();
assert!(!api
.secp256k1_verify(&hash, &signature, &public_key)
.unwrap());
}
#[test]
fn secp256k1_verify_errs() {
let api = MockApi::default();
let hash = hex::decode(SECP256K1_MSG_HASH_HEX).unwrap();
let signature = hex::decode(SECP256K1_SIG_HEX).unwrap();
let public_key = vec![];
let res = api.secp256k1_verify(&hash, &signature, &public_key);
assert_eq!(res.unwrap_err(), VerificationError::InvalidPubkeyFormat);
}
#[test]
fn secp256k1_recover_pubkey_works() {
let api = MockApi::default();
let hash = hex!("5ae8317d34d1e595e3fa7247db80c0af4320cce1116de187f8f7e2e099c0d8d0");
let signature = hex!("45c0b7f8c09a9e1f1cea0c25785594427b6bf8f9f878a8af0b1abbb48e16d0920d8becd0c220f67c51217eecfd7184ef0732481c843857e6bc7fc095c4f6b788");
let recovery_param = 1;
let expected = hex!("044a071e8a6e10aada2b8cf39fa3b5fb3400b04e99ea8ae64ceea1a977dbeaf5d5f8c8fbd10b71ab14cd561f7df8eb6da50f8a8d81ba564342244d26d1d4211595");
let pubkey = api
.secp256k1_recover_pubkey(&hash, &signature, recovery_param)
.unwrap();
assert_eq!(pubkey, expected);
}
#[test]
fn secp256k1_recover_pubkey_fails_for_wrong_recovery_param() {
let api = MockApi::default();
let hash = hex!("5ae8317d34d1e595e3fa7247db80c0af4320cce1116de187f8f7e2e099c0d8d0");
let signature = hex!("45c0b7f8c09a9e1f1cea0c25785594427b6bf8f9f878a8af0b1abbb48e16d0920d8becd0c220f67c51217eecfd7184ef0732481c843857e6bc7fc095c4f6b788");
let _recovery_param = 1;
let expected = hex!("044a071e8a6e10aada2b8cf39fa3b5fb3400b04e99ea8ae64ceea1a977dbeaf5d5f8c8fbd10b71ab14cd561f7df8eb6da50f8a8d81ba564342244d26d1d4211595");
let pubkey = api.secp256k1_recover_pubkey(&hash, &signature, 0).unwrap();
assert_eq!(pubkey.len(), 65);
assert_ne!(pubkey, expected);
let result = api.secp256k1_recover_pubkey(&hash, &signature, 42);
match result.unwrap_err() {
RecoverPubkeyError::InvalidRecoveryParam => {}
err => panic!("Unexpected error: {:?}", err),
}
}
#[test]
fn secp256k1_recover_pubkey_fails_for_wrong_hash() {
let api = MockApi::default();
let hash = hex!("5ae8317d34d1e595e3fa7247db80c0af4320cce1116de187f8f7e2e099c0d8d0");
let signature = hex!("45c0b7f8c09a9e1f1cea0c25785594427b6bf8f9f878a8af0b1abbb48e16d0920d8becd0c220f67c51217eecfd7184ef0732481c843857e6bc7fc095c4f6b788");
let recovery_param = 1;
let expected = hex!("044a071e8a6e10aada2b8cf39fa3b5fb3400b04e99ea8ae64ceea1a977dbeaf5d5f8c8fbd10b71ab14cd561f7df8eb6da50f8a8d81ba564342244d26d1d4211595");
let mut corrupted_hash = hash;
corrupted_hash[0] ^= 0x01;
let pubkey = api
.secp256k1_recover_pubkey(&corrupted_hash, &signature, recovery_param)
.unwrap();
assert_eq!(pubkey.len(), 65);
assert_ne!(pubkey, expected);
let mut malformed_hash = hash.to_vec();
malformed_hash.push(0x8a);
let result = api.secp256k1_recover_pubkey(&malformed_hash, &signature, recovery_param);
match result.unwrap_err() {
RecoverPubkeyError::InvalidHashFormat => {}
err => panic!("Unexpected error: {:?}", err),
}
}
#[test]
fn ed25519_verify_works() {
let api = MockApi::default();
let msg = hex::decode(ED25519_MSG_HEX).unwrap();
let signature = hex::decode(ED25519_SIG_HEX).unwrap();
let public_key = hex::decode(ED25519_PUBKEY_HEX).unwrap();
assert!(api.ed25519_verify(&msg, &signature, &public_key).unwrap());
}
#[test]
fn ed25519_verify_fails() {
let api = MockApi::default();
let mut msg = hex::decode(ED25519_MSG_HEX).unwrap();
msg[0] ^= 0x01;
let signature = hex::decode(ED25519_SIG_HEX).unwrap();
let public_key = hex::decode(ED25519_PUBKEY_HEX).unwrap();
assert!(!api.ed25519_verify(&msg, &signature, &public_key).unwrap());
}
#[test]
fn ed25519_verify_errs() {
let api = MockApi::default();
let msg = hex::decode(ED25519_MSG_HEX).unwrap();
let signature = hex::decode(ED25519_SIG_HEX).unwrap();
let public_key = vec![];
let res = api.ed25519_verify(&msg, &signature, &public_key);
assert_eq!(res.unwrap_err(), VerificationError::InvalidPubkeyFormat);
}
#[test]
fn ed25519_batch_verify_works() {
let api = MockApi::default();
let msg = hex::decode(ED25519_MSG_HEX).unwrap();
let signature = hex::decode(ED25519_SIG_HEX).unwrap();
let public_key = hex::decode(ED25519_PUBKEY_HEX).unwrap();
let msgs: Vec<&[u8]> = vec![&msg];
let signatures: Vec<&[u8]> = vec![&signature];
let public_keys: Vec<&[u8]> = vec![&public_key];
assert!(api
.ed25519_batch_verify(&msgs, &signatures, &public_keys)
.unwrap());
}
#[test]
fn ed25519_batch_verify_fails() {
let api = MockApi::default();
let mut msg = hex::decode(ED25519_MSG_HEX).unwrap();
msg[0] ^= 0x01;
let signature = hex::decode(ED25519_SIG_HEX).unwrap();
let public_key = hex::decode(ED25519_PUBKEY_HEX).unwrap();
let msgs: Vec<&[u8]> = vec![&msg];
let signatures: Vec<&[u8]> = vec![&signature];
let public_keys: Vec<&[u8]> = vec![&public_key];
assert!(!api
.ed25519_batch_verify(&msgs, &signatures, &public_keys)
.unwrap());
}
#[test]
fn ed25519_batch_verify_errs() {
let api = MockApi::default();
let msg = hex::decode(ED25519_MSG_HEX).unwrap();
let signature = hex::decode(ED25519_SIG_HEX).unwrap();
let public_key: Vec<u8> = vec![0u8; 0];
let msgs: Vec<&[u8]> = vec![&msg.as_slice()];
let signatures: Vec<&[u8]> = vec![&signature.as_slice()];
let public_keys: Vec<&[u8]> = vec![&public_key];
let res = api.ed25519_batch_verify(&msgs, &signatures, &public_keys);
assert_eq!(res.unwrap_err(), VerificationError::InvalidPubkeyFormat);
}
#[test]
fn bank_querier_all_balances() {
let addr = String::from("foobar");
let balance = vec![coin(123, "ELF"), coin(777, "FLY")];
let bank = BankQuerier::new(&[(&addr, &balance)]);
let all = bank
.query(&BankQuery::AllBalances { address: addr })
.unwrap()
.unwrap();
let res: AllBalanceResponse = from_binary(&all).unwrap();
assert_eq!(&res.amount, &balance);
}
#[test]
fn bank_querier_one_balance() {
let addr = String::from("foobar");
let balance = vec![coin(123, "ELF"), coin(777, "FLY")];
let bank = BankQuerier::new(&[(&addr, &balance)]);
let fly = bank
.query(&BankQuery::Balance {
address: addr.clone(),
denom: "FLY".to_string(),
})
.unwrap()
.unwrap();
let res: BalanceResponse = from_binary(&fly).unwrap();
assert_eq!(res.amount, coin(777, "FLY"));
let miss = bank
.query(&BankQuery::Balance {
address: addr,
denom: "MISS".to_string(),
})
.unwrap()
.unwrap();
let res: BalanceResponse = from_binary(&miss).unwrap();
assert_eq!(res.amount, coin(0, "MISS"));
}
#[test]
fn bank_querier_missing_account() {
let addr = String::from("foobar");
let balance = vec![coin(123, "ELF"), coin(777, "FLY")];
let bank = BankQuerier::new(&[(&addr, &balance)]);
let all = bank
.query(&BankQuery::AllBalances {
address: String::from("elsewhere"),
})
.unwrap()
.unwrap();
let res: AllBalanceResponse = from_binary(&all).unwrap();
assert_eq!(res.amount, vec![]);
let miss = bank
.query(&BankQuery::Balance {
address: String::from("elsewhere"),
denom: "ELF".to_string(),
})
.unwrap()
.unwrap();
let res: BalanceResponse = from_binary(&miss).unwrap();
assert_eq!(res.amount, coin(0, "ELF"));
}
#[cfg(feature = "staking")]
#[test]
fn staking_querier_all_validators() {
let val1 = Validator {
address: String::from("validator-one"),
commission: Decimal::percent(1),
max_commission: Decimal::percent(3),
max_change_rate: Decimal::percent(1),
};
let val2 = Validator {
address: String::from("validator-two"),
commission: Decimal::permille(15),
max_commission: Decimal::permille(40),
max_change_rate: Decimal::permille(5),
};
let staking = StakingQuerier::new("ustake", &[val1.clone(), val2.clone()], &[]);
let raw = staking
.query(&StakingQuery::AllValidators {})
.unwrap()
.unwrap();
let vals: AllValidatorsResponse = from_binary(&raw).unwrap();
assert_eq!(vals.validators, vec![val1, val2]);
}
#[cfg(feature = "staking")]
#[test]
fn staking_querier_validator() {
let address1 = String::from("validator-one");
let address2 = String::from("validator-two");
let address_non_existent = String::from("wannabe-validator");
let val1 = Validator {
address: address1.clone(),
commission: Decimal::percent(1),
max_commission: Decimal::percent(3),
max_change_rate: Decimal::percent(1),
};
let val2 = Validator {
address: address2.clone(),
commission: Decimal::permille(15),
max_commission: Decimal::permille(40),
max_change_rate: Decimal::permille(5),
};
let staking = StakingQuerier::new("ustake", &[val1.clone(), val2.clone()], &[]);
let raw = staking
.query(&StakingQuery::Validator { address: address1 })
.unwrap()
.unwrap();
let res: ValidatorResponse = from_binary(&raw).unwrap();
assert_eq!(res.validator, Some(val1));
let raw = staking
.query(&StakingQuery::Validator { address: address2 })
.unwrap()
.unwrap();
let res: ValidatorResponse = from_binary(&raw).unwrap();
assert_eq!(res.validator, Some(val2));
let raw = staking
.query(&StakingQuery::Validator {
address: address_non_existent,
})
.unwrap()
.unwrap();
let res: ValidatorResponse = from_binary(&raw).unwrap();
assert_eq!(res.validator, None);
}
#[cfg(feature = "staking")]
fn get_all_delegators<U: Into<String>>(
staking: &StakingQuerier,
delegator: U,
) -> Vec<Delegation> {
let raw = staking
.query(&StakingQuery::AllDelegations {
delegator: delegator.into(),
})
.unwrap()
.unwrap();
let dels: AllDelegationsResponse = from_binary(&raw).unwrap();
dels.delegations
}
#[cfg(feature = "staking")]
fn get_delegator<U: Into<String>, V: Into<String>>(
staking: &StakingQuerier,
delegator: U,
validator: V,
) -> Option<FullDelegation> {
let raw = staking
.query(&StakingQuery::Delegation {
delegator: delegator.into(),
validator: validator.into(),
})
.unwrap()
.unwrap();
let dels: DelegationResponse = from_binary(&raw).unwrap();
dels.delegation
}
#[cfg(feature = "staking")]
#[test]
fn staking_querier_delegations() {
let val1 = String::from("validator-one");
let val2 = String::from("validator-two");
let user_a = Addr::unchecked("investor");
let user_b = Addr::unchecked("speculator");
let user_c = Addr::unchecked("hodler");
let del1a = FullDelegation {
delegator: user_a.clone(),
validator: val1.clone(),
amount: coin(100, "ustake"),
can_redelegate: coin(100, "ustake"),
accumulated_rewards: coins(5, "ustake"),
};
let del2a = FullDelegation {
delegator: user_a.clone(),
validator: val2.clone(),
amount: coin(500, "ustake"),
can_redelegate: coin(500, "ustake"),
accumulated_rewards: coins(20, "ustake"),
};
let del1b = FullDelegation {
delegator: user_b.clone(),
validator: val1.clone(),
amount: coin(500, "ustake"),
can_redelegate: coin(0, "ustake"),
accumulated_rewards: coins(0, "ustake"),
};
let del2c = FullDelegation {
delegator: user_c.clone(),
validator: val2.clone(),
amount: coin(8888, "ustake"),
can_redelegate: coin(4567, "ustake"),
accumulated_rewards: coins(900, "ustake"),
};
let staking = StakingQuerier::new(
"ustake",
&[],
&[del1a.clone(), del1b.clone(), del2a.clone(), del2c.clone()],
);
let dels = get_all_delegators(&staking, user_a.clone());
assert_eq!(dels, vec![del1a.clone().into(), del2a.clone().into()]);
let dels = get_all_delegators(&staking, user_b.clone());
assert_eq!(dels, vec![del1b.clone().into()]);
let dels = get_all_delegators(&staking, user_c.clone());
assert_eq!(dels, vec![del2c.clone().into()]);
let dels = get_all_delegators(&staking, String::from("no one"));
assert_eq!(dels, vec![]);
let dels = get_delegator(&staking, user_a.clone(), val1.clone());
assert_eq!(dels, Some(del1a));
let dels = get_delegator(&staking, user_a, val2.clone());
assert_eq!(dels, Some(del2a));
let dels = get_delegator(&staking, user_b.clone(), val1.clone());
assert_eq!(dels, Some(del1b));
let dels = get_delegator(&staking, user_b, val2.clone());
assert_eq!(dels, None);
let dels = get_delegator(&staking, user_c.clone(), val1);
assert_eq!(dels, None);
let dels = get_delegator(&staking, user_c, val2);
assert_eq!(dels, Some(del2c));
}
#[test]
fn riffle_shuffle_works() {
let start = [0xA, 0x2, 0x3, 0x4, 0x5, 0x6];
let round1 = riffle_shuffle(&start);
assert_eq!(round1, [0x4, 0xA, 0x5, 0x2, 0x6, 0x3]);
let round2 = riffle_shuffle(&round1);
assert_eq!(round2, [0x2, 0x4, 0x6, 0xA, 0x3, 0x5]);
let round3 = riffle_shuffle(&round2);
assert_eq!(round3, start);
let original = [12, 33, 76, 576, 0, 44, 1, 14, 78, 99, 871212, -7, 2, -1];
let mut result = Vec::from(original);
for _ in 0..4 {
result = riffle_shuffle(&result);
}
assert_eq!(result, original);
let original = [
7, 4, 2, 4656, 23, 45, 23, 1, 12, 76, 576, 0, 12, 1, 14, 78, 99, 12, 1212, 444, 31,
111, 424, 34,
];
let mut result = Vec::from(original);
for _ in 0..20 {
result = riffle_shuffle(&result);
}
assert_eq!(result, original);
}
#[test]
fn digit_sum_works() {
assert_eq!(digit_sum(&[]), 0);
assert_eq!(digit_sum(&[0]), 0);
assert_eq!(digit_sum(&[0, 0]), 0);
assert_eq!(digit_sum(&[0, 0, 0]), 0);
assert_eq!(digit_sum(&[1, 0, 0]), 1);
assert_eq!(digit_sum(&[0, 1, 0]), 1);
assert_eq!(digit_sum(&[0, 0, 1]), 1);
assert_eq!(digit_sum(&[1, 2, 3]), 6);
assert_eq!(digit_sum(&[255, 1]), 256);
}
}