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feat: add Stader validator registry support #465

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56a85a1
feat: add Stader validator registry support
PedroCM96 May 7, 2026
5304f6c
Merge remote-tracking branch 'origin/main' into pr-465
JasonVranek May 12, 2026
f984dae
reformat and fix broken tests
JasonVranek May 12, 2026
f5b4bec
Minor cleanups
JasonVranek May 12, 2026
d17a3a6
Merge branch 'main' into support-stader
PedroCM96 May 27, 2026
2d527f9
Merge branch 'main' into support-stader
PedroCM96 Jun 4, 2026
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244 changes: 244 additions & 0 deletions crates/common/src/abi/StaderRegistry.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,244 @@
[
{
"constant": true,
"inputs": [
{
"name": "_operatorId",
"type": "uint256"
}
],
"name": "operatorStructById",
"outputs": [
{
"name": "active",
"type": "bool"
},
{
"name": "optedForSocializingPool",
"type": "bool"
},
{
"name": "operatorName",
"type": "string"
},
{
"name": "operatorRewardAddress",
"type": "address"
},
{
"name": "operatorAddress",
"type": "address"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "_operator",
"type": "address"
}
],
"name": "operatorIDByAddress",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "_operatorId",
"type": "uint256"
}
],
"name": "getOperatorTotalKeys",
"outputs": [
{
"name": "_totalKeys",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "_operator",
"type": "address"
},
{
"name": "_pageNumber",
"type": "uint256"
},
{
"name": "_pageSize",
"type": "uint256"
}
],
"name": "getValidatorsByOperator",
"outputs": [
{
"name": "",
"type": "tuple[]",
"components": [
{
"name": "status",
"type": "uint8"
},
{
"name": "pubkey",
"type": "bytes"
},
{
"name": "preDepositSignature",
"type": "bytes"
},
{
"name": "depositSignature",
"type": "bytes"
},
{
"name": "withdrawVaultAddress",
"type": "address"
},
{
"name": "operatorId",
"type": "uint256"
},
{
"name": "depositBlock",
"type": "uint256"
},
{
"name": "withdrawnBlock",
"type": "uint256"
}
]
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "_operatorId",
"type": "uint256"
},
{
"name": "_index",
"type": "uint256"
}
],
"name": "validatorIdsByOperatorId",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "_validatorId",
"type": "uint256"
}
],
"name": "validatorRegistry",
"outputs": [
{
"name": "status",
"type": "uint8"
},
{
"name": "pubkey",
"type": "bytes"
},
{
"name": "preDepositSignature",
"type": "bytes"
},
{
"name": "depositSignature",
"type": "bytes"
},
{
"name": "withdrawVaultAddress",
"type": "address"
},
{
"name": "operatorId",
"type": "uint256"
},
{
"name": "depositBlock",
"type": "uint256"
},
{
"name": "withdrawnBlock",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "_operatorId",
"type": "uint256"
}
],
"name": "getOperatorRewardAddress",
"outputs": [
{
"name": "",
"type": "address"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "_operAddr",
"type": "address"
}
],
"name": "isExistingOperator",
"outputs": [
{
"name": "",
"type": "bool"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
}
]
116 changes: 86 additions & 30 deletions crates/common/src/config/mux.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,10 +20,10 @@ use url::Url;

use super::{MUX_PATH_ENV, MUXER_HTTP_MAX_LENGTH, PbsConfig, RelayConfig, load_optional_env_var};
use crate::{
config::remove_duplicate_keys,
interop::{lido::utils::*, ssv::utils::*},
config::{remove_duplicate_keys, safe_read_http_response},
interop::{lido::utils::*, ssv::utils::*, stader::utils::*},
pbs::RelayClient,
types::{BlsPublicKey, Chain},
types::{BlsPublicKey, Chain, StaderPool},
utils::default_bool,
wire::safe_read_http_response,
};
Expand Down Expand Up @@ -196,6 +196,8 @@ pub enum MuxKeysLoader {
node_operator_id: u64,
#[serde(default)]
lido_module_id: Option<u8>,
#[serde(default)]
stader_pool: Option<StaderPool>,
#[serde(default = "default_bool::<false>")]
enable_refreshing: bool,
},
Expand All @@ -207,6 +209,8 @@ pub enum NORegistry {
Lido,
#[serde(alias = "ssv")]
SSV,
#[serde(alias = "stader")]
Stader,
}

impl MuxKeysLoader {
Expand Down Expand Up @@ -244,34 +248,57 @@ impl MuxKeysLoader {
.wrap_err("failed to fetch mux keys from HTTP endpoint")
}

Self::Registry { registry, node_operator_id, lido_module_id, enable_refreshing: _ } => {
match registry {
NORegistry::Lido => {
let Some(rpc_url) = rpc_url else {
bail!("Lido registry requires RPC URL to be set in the PBS config");
};

fetch_lido_registry_keys(
rpc_url,
chain,
U256::from(*node_operator_id),
lido_module_id.unwrap_or(1),
http_timeout,
)
.await
}
NORegistry::SSV => {
fetch_ssv_pubkeys(
ssv_node_api_url,
ssv_public_api_url,
chain,
U256::from(*node_operator_id),
http_timeout,
)
.await
}
Self::Registry {
registry,
node_operator_id,
lido_module_id,
stader_pool,
enable_refreshing: _,
..
} => match registry {
NORegistry::Lido => {
let Some(rpc_url) = rpc_url else {
bail!("Lido registry requires RPC URL to be set in the PBS config");
};

fetch_lido_registry_keys(
rpc_url,
chain,
U256::from(*node_operator_id),
lido_module_id.unwrap_or(1),
http_timeout,
)
.await
}
}
NORegistry::SSV => {
fetch_ssv_pubkeys(
ssv_node_api_url,
ssv_public_api_url,
chain,
U256::from(*node_operator_id),
http_timeout,
)
.await
}
NORegistry::Stader => {
let Some(rpc_url) = rpc_url else {
bail!("Stader registry requires RPC URL to be set in the PBS config");
};

let Some(stader_pool) = stader_pool else {
bail!("Stader registry requires `stader_pool` to be set in the mux config");
};

fetch_stader_registry_keys(
rpc_url,
chain,
stader_pool.clone(),
U256::from(*node_operator_id),
http_timeout,
)
.await
}
},
}?;

// Remove duplicates
Expand Down Expand Up @@ -395,6 +422,35 @@ async fn fetch_lido_registry_keys(
}
}

async fn fetch_stader_registry_keys(
rpc_url: Url,
chain: Chain,
stader_pool: StaderPool,
node_operator_id: U256,
http_timeout: Duration,
) -> eyre::Result<Vec<BlsPublicKey>> {
debug!(?chain, %node_operator_id, ?stader_pool, "loading operator keys from Stader registry");

let client = Client::builder().timeout(http_timeout).build()?;
let http = Http::with_client(client, rpc_url);
let is_local = http.guess_local();
let rpc_client = RpcClient::new(http, is_local);

let registry_address = stader_registry_address(chain, stader_pool)?;

let provider = ProviderBuilder::new().connect_client(rpc_client);
let registry = get_stader_registry(registry_address, provider);

let operator_address = fetch_stader_operator_address(&registry, node_operator_id).await?;

let total_keys = fetch_stader_keys_total(&registry, node_operator_id).await?;

collect_registry_keys(total_keys, |offset, limit| {
fetch_stader_keys_batch(&registry, operator_address, offset, limit)
})
.await
}

async fn fetch_ssv_pubkeys(
node_url: Url,
public_url: Url,
Expand Down
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