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context_mock.rs
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context_mock.rs
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use crate::context::SelfChainType;
use crate::context_mock::MockChainContext;
use crate::ics02_client::client_def::{AnyClientState, AnyConsensusState};
use crate::ics02_client::client_type::ClientType;
use crate::ics02_client::context::{ClientKeeper, ClientReader};
use crate::ics02_client::context_mock::MockClientContext;
use crate::ics02_client::error::Error as ICS2Error;
use crate::ics03_connection::connection::ConnectionEnd;
use crate::ics03_connection::context::{ConnectionKeeper, ConnectionReader};
use crate::ics03_connection::context_mock::MockConnectionContext;
use crate::ics03_connection::error::Error;
use crate::ics23_commitment::commitment::CommitmentPrefix;
use crate::ics24_host::identifier::{ClientId, ConnectionId};
use crate::ics26_routing::context::ICS26Context;
use tendermint::block::Height;
/// Mock implementation of ICS26 context. Wraps around both a client (ICS2) and connections (ICS3)
/// contexts.
/// To fulfil the `ConnectionReader`, `ConnectionKeeper`, `ClientReader` and `ClientKeeper` traits,
/// we simply forward each method call to the inner `connection_context` or `client_context` member
/// of this mock type.
#[derive(Clone, Debug, Default)]
pub struct MockICS26Context {
pub client_context: MockClientContext,
pub connection_context: MockConnectionContext,
}
impl MockICS26Context {
pub fn client_context(&self) -> &MockClientContext {
&self.client_context
}
pub fn chain_context(&self) -> &MockChainContext {
&self.client_context.chain_context
}
pub fn set_chain_context(&mut self, chain_context: MockChainContext) {
self.client_context.chain_context = chain_context;
}
}
impl ICS26Context for MockICS26Context {}
impl ConnectionReader for MockICS26Context {
fn fetch_connection_end(&self, conn_id: &ConnectionId) -> Option<&ConnectionEnd> {
self.connection_context.fetch_connection_end(conn_id)
}
fn fetch_client_state(&self, client_id: &ClientId) -> Option<AnyClientState> {
self.client_context().client_state(client_id)
}
fn chain_current_height(&self) -> Height {
self.chain_context().latest
}
fn chain_consensus_states_history_size(&self) -> usize {
self.connection_context
.chain_consensus_states_history_size()
}
fn chain_type(&self) -> SelfChainType {
self.connection_context.chain_type()
}
fn commitment_prefix(&self) -> CommitmentPrefix {
self.connection_context.commitment_prefix()
}
fn fetch_client_consensus_state(
&self,
client_id: &ClientId,
height: Height,
) -> Option<AnyConsensusState> {
self.connection_context
.fetch_client_consensus_state(client_id, height)
}
fn fetch_self_consensus_state(&self, height: Height) -> Option<AnyConsensusState> {
self.connection_context.fetch_self_consensus_state(height)
}
fn get_compatible_versions(&self) -> Vec<String> {
self.connection_context.get_compatible_versions()
}
fn pick_version(&self, counterparty_candidate_versions: Vec<String>) -> String {
self.connection_context
.pick_version(counterparty_candidate_versions)
}
}
impl ClientReader for MockICS26Context {
fn client_type(&self, client_id: &ClientId) -> Option<ClientType> {
self.client_context().client_type(client_id)
}
fn client_state(&self, client_id: &ClientId) -> Option<AnyClientState> {
self.client_context().client_state(client_id)
}
fn consensus_state(&self, client_id: &ClientId, height: Height) -> Option<AnyConsensusState> {
self.client_context().consensus_state(client_id, height)
}
}
impl ConnectionKeeper for MockICS26Context {
fn store_connection(
&mut self,
_connection_id: &ConnectionId,
_connection_end: &ConnectionEnd,
) -> Result<(), Error> {
unimplemented!()
}
fn store_connection_to_client(
&mut self,
_connection_id: &ConnectionId,
_client_id: &ClientId,
) -> Result<(), Error> {
unimplemented!()
}
}
impl ClientKeeper for MockICS26Context {
fn store_client_type(
&mut self,
client_id: ClientId,
client_type: ClientType,
) -> Result<(), ICS2Error> {
let mut client_store = self.client_context().clone();
client_store.store_client_type(client_id, client_type)?;
self.client_context = client_store;
Ok(())
}
fn store_client_state(
&mut self,
client_id: ClientId,
client_state: AnyClientState,
) -> Result<(), ICS2Error> {
let mut client_store = self.client_context().clone();
client_store.store_client_state(client_id, client_state)?;
self.client_context = client_store;
Ok(())
}
fn store_consensus_state(
&mut self,
client_id: ClientId,
consensus_state: AnyConsensusState,
) -> Result<(), ICS2Error> {
let mut client_store = self.client_context().clone();
client_store.store_consensus_state(client_id, consensus_state)?;
self.client_context = client_store;
Ok(())
}
}