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.DS_Store | ||
corelib/ | ||
target/ | ||
**/Cargo.lock | ||
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# vscode | ||
.vscode/ | ||
.vscode/ |
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resolver = "2" | ||
members = [ | ||
"light-client/*", | ||
"dummy-light-client/*", | ||
] | ||
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[workspace.package] | ||
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<div align="center"> | ||
<h1>Dummy Light Client</h1> | ||
</div> | ||
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A light client without any validation. Its purpose is to bootstrap IBC without | ||
having a full light client implementation. | ||
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> [!WARNING]\ | ||
> This light client is not secure and should not be used in production. |
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[package] | ||
name = "ibc-client-dummy-cw" | ||
authors = { workspace = true } | ||
edition = { workspace = true } | ||
license = { workspace = true } | ||
repository = { workspace = true } | ||
rust-version = { workspace = true } | ||
version = { workspace = true } | ||
readme = "./../README.md" | ||
keywords = [ "dummy", "ibc", "light-client", "CosmWasm" ] | ||
description = "CosmWasm contract for dummy IBC client." | ||
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[lib] | ||
crate-type = [ "cdylib", "rlib" ] | ||
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[dependencies] | ||
# ibc dependencies | ||
ibc-core = { workspace = true } | ||
ibc-client-cw = { workspace = true } | ||
ibc-client-dummy = { path = "./../impls" } | ||
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# cosmwasm dependencies | ||
cosmwasm-std = "2.1.0" | ||
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[features] | ||
default = [ "std" ] | ||
std = [ | ||
"ibc-core/std", | ||
"ibc-client-cw/std", | ||
] |
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use ibc_client_cw::api::ClientType; | ||
use ibc_client_dummy::{ClientState, ConsensusState}; | ||
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pub struct DummyLightClient; | ||
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impl<'a> ClientType<'a> for DummyLightClient { | ||
type ClientState = ClientState; | ||
type ConsensusState = ConsensusState; | ||
} |
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use cosmwasm_std::{entry_point, Binary, Deps, DepsMut, Env, MessageInfo, Response}; | ||
use ibc_client_cw::context::Context; | ||
use ibc_client_cw::types::{ContractError, InstantiateMsg, QueryMsg, SudoMsg}; | ||
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use crate::client_type::DummyLightClient; | ||
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pub type DummyLightClientContext<'a> = Context<'a, DummyLightClient>; | ||
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#[entry_point] | ||
pub fn instantiate( | ||
deps: DepsMut<'_>, | ||
env: Env, | ||
_info: MessageInfo, | ||
msg: InstantiateMsg, | ||
) -> Result<Response, ContractError> { | ||
let mut ctx = DummyLightClientContext::new_mut(deps, env)?; | ||
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let data = ctx.instantiate(msg)?; | ||
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Ok(Response::default().set_data(data)) | ||
} | ||
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#[entry_point] | ||
pub fn sudo(deps: DepsMut<'_>, env: Env, msg: SudoMsg) -> Result<Response, ContractError> { | ||
let mut ctx = DummyLightClientContext::new_mut(deps, env)?; | ||
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let data = ctx.sudo(msg)?; | ||
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Ok(Response::default().set_data(data)) | ||
} | ||
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#[entry_point] | ||
pub fn query(deps: Deps<'_>, env: Env, msg: QueryMsg) -> Result<Binary, ContractError> { | ||
let ctx = DummyLightClientContext::new_ref(deps, env)?; | ||
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ctx.query(msg) | ||
} |
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pub mod client_type; | ||
pub mod entrypoint; |
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[package] | ||
name = "ibc-client-dummy" | ||
authors = { workspace = true } | ||
edition = { workspace = true } | ||
license = { workspace = true } | ||
rust-version = { workspace = true } | ||
version = { workspace = true } | ||
repository = { workspace = true } | ||
readme = "./../README.md" | ||
keywords = [ "dummy", "test", "ibc", "light-client" ] | ||
description = "A light client without any validation. Only for testing." | ||
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[lints] | ||
workspace = true | ||
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[dependencies] | ||
# external dependencies | ||
derive_more = { workspace = true } | ||
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# ibc dependencies | ||
ibc-core = { workspace = true } | ||
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[features] | ||
default = [ "std" ] | ||
std = [ | ||
"ibc-core/std", | ||
] |
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use ibc_core::client::context::client_state::ClientStateCommon; | ||
use ibc_core::client::types::error::ClientError; | ||
use ibc_core::client::types::Height; | ||
use ibc_core::commitment_types::commitment::{ | ||
CommitmentPrefix, CommitmentProofBytes, CommitmentRoot, | ||
}; | ||
use ibc_core::host::types::identifiers::ClientType; | ||
use ibc_core::host::types::path::{Path, PathBytes}; | ||
use ibc_core::primitives::proto::Any; | ||
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use super::ClientState; | ||
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impl ClientStateCommon for ClientState { | ||
fn verify_consensus_state(&self, consensus_state: Any) -> Result<(), ClientError> { | ||
Ok(()) | ||
} | ||
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fn client_type(&self) -> ClientType { | ||
"blind-001".parse().unwrap() | ||
} | ||
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fn latest_height(&self) -> Height { | ||
self.latest_height | ||
} | ||
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fn validate_proof_height(&self, proof_height: Height) -> Result<(), ClientError> { | ||
Ok(()) | ||
} | ||
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fn verify_upgrade_client( | ||
&self, | ||
upgraded_client_state: Any, | ||
upgraded_consensus_state: Any, | ||
proof_upgrade_client: CommitmentProofBytes, | ||
proof_upgrade_consensus_state: CommitmentProofBytes, | ||
root: &CommitmentRoot, | ||
) -> Result<(), ClientError> { | ||
Ok(()) | ||
} | ||
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fn serialize_path(&self, path: Path) -> Result<PathBytes, ClientError> { | ||
Ok(path.to_string().as_bytes().to_vec().into()) | ||
} | ||
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fn verify_membership_raw( | ||
&self, | ||
prefix: &CommitmentPrefix, | ||
proof: &CommitmentProofBytes, | ||
root: &CommitmentRoot, | ||
path: PathBytes, | ||
value: Vec<u8>, | ||
) -> Result<(), ClientError> { | ||
Ok(()) | ||
} | ||
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fn verify_non_membership_raw( | ||
&self, | ||
prefix: &CommitmentPrefix, | ||
proof: &CommitmentProofBytes, | ||
root: &CommitmentRoot, | ||
path: PathBytes, | ||
) -> Result<(), ClientError> { | ||
Ok(()) | ||
} | ||
} |
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use ibc_core::client::context::client_state::ClientStateExecution; | ||
use ibc_core::client::context::prelude::ClientStateCommon; | ||
use ibc_core::client::context::ClientExecutionContext; | ||
use ibc_core::client::types::error::ClientError; | ||
use ibc_core::client::types::Height; | ||
use ibc_core::host::types::identifiers::ClientId; | ||
use ibc_core::host::types::path::{ClientConsensusStatePath, ClientStatePath}; | ||
use ibc_core::primitives::proto::Any; | ||
use ibc_core::primitives::Timestamp; | ||
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use crate::ConsensusState; | ||
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use super::ClientState; | ||
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impl<E> ClientStateExecution<E> for ClientState | ||
where | ||
E: ClientExecutionContext<ClientStateMut = ClientState, ConsensusStateRef = ConsensusState>, | ||
{ | ||
fn initialise( | ||
&self, | ||
ctx: &mut E, | ||
client_id: &ClientId, | ||
consensus_state: Any, | ||
) -> Result<(), ClientError> { | ||
let latest_height = Height::min(0); | ||
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update_client_and_consensus_state( | ||
ctx, | ||
latest_height, | ||
client_id, | ||
self.clone(), | ||
consensus_state.try_into()?, | ||
)?; | ||
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Ok(()) | ||
} | ||
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fn update_state( | ||
&self, | ||
ctx: &mut E, | ||
client_id: &ClientId, | ||
header: Any, | ||
) -> Result<Vec<Height>, ClientError> { | ||
let latest_height = ctx.client_state(client_id)?.latest_height().increment(); | ||
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let new_client_state = ClientState { latest_height }; | ||
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update_client_and_consensus_state( | ||
ctx, | ||
latest_height, | ||
client_id, | ||
new_client_state, | ||
ConsensusState::default(), | ||
)?; | ||
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Ok(vec![latest_height]) | ||
} | ||
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fn update_state_on_misbehaviour( | ||
&self, | ||
ctx: &mut E, | ||
client_id: &ClientId, | ||
client_message: Any, | ||
) -> Result<(), ClientError> { | ||
Ok(()) | ||
} | ||
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fn update_state_on_upgrade( | ||
&self, | ||
ctx: &mut E, | ||
client_id: &ClientId, | ||
upgraded_client_state: Any, | ||
upgraded_consensus_state: Any, | ||
) -> Result<Height, ClientError> { | ||
let latest_height = ctx.client_state(client_id)?.latest_height().increment(); | ||
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let new_client_state = ClientState { latest_height }; | ||
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update_client_and_consensus_state( | ||
ctx, | ||
latest_height, | ||
client_id, | ||
upgraded_client_state.try_into()?, | ||
upgraded_consensus_state.try_into()?, | ||
)?; | ||
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Ok(latest_height) | ||
} | ||
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fn update_on_recovery( | ||
&self, | ||
ctx: &mut E, | ||
subject_client_id: &ClientId, | ||
substitute_client_state: Any, | ||
substitute_consensus_state: Any, | ||
) -> Result<(), ClientError> { | ||
let latest_height = ctx | ||
.client_state(subject_client_id)? | ||
.latest_height() | ||
.increment(); | ||
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let new_client_state = ClientState { latest_height }; | ||
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update_client_and_consensus_state( | ||
ctx, | ||
latest_height, | ||
subject_client_id, | ||
substitute_client_state.try_into()?, | ||
substitute_consensus_state.try_into()?, | ||
)?; | ||
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Ok(()) | ||
} | ||
} | ||
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fn update_client_and_consensus_state<E: ClientExecutionContext>( | ||
ctx: &mut E, | ||
client_height: Height, | ||
client_id: &ClientId, | ||
client_state: E::ClientStateRef, | ||
consensus_state: E::ConsensusStateRef, | ||
) -> Result<(), ClientError> { | ||
ctx.store_consensus_state( | ||
ClientConsensusStatePath::new( | ||
client_id.clone(), | ||
client_height.revision_number(), | ||
client_height.revision_height(), | ||
), | ||
consensus_state, | ||
)?; | ||
ctx.store_client_state(ClientStatePath::new(client_id.clone()), client_state)?; | ||
ctx.store_update_meta( | ||
client_id.clone(), | ||
client_height, | ||
Timestamp::none(), | ||
Height::min(0), | ||
)?; | ||
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Ok(()) | ||
} |
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