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feat: Add surfnet_exportSnapshot RPC endpoint with slot tracking and IDL decoding #364

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feat: Add surfnet_exportSnapshot RPC endpoint with slot tracking and IDL decoding #364

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edf2941
feat: add surfnet_exportSnapshot
Shradhesh71 Oct 11, 2025
cf02a23
refactor: HashMap to BTreeMap
Shradhesh71 Oct 14, 2025
6ea2f94
style: format
Shradhesh71 Oct 15, 2025
3c0df32
fix transaction account
Shradhesh71 Oct 18, 2025
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62 changes: 61 additions & 1 deletion crates/core/src/rpc/surfnet_cheatcodes.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,10 @@
use std::collections::BTreeMap;

use base64::{Engine as _, engine::general_purpose::STANDARD};
use jsonrpc_core::{BoxFuture, Error, Result, futures::future};
use jsonrpc_derive::rpc;
use solana_account::Account;
use solana_account_decoder::UiAccountEncoding;
use solana_client::rpc_response::{RpcLogsResponse, RpcResponseContext};
use solana_clock::Slot;
use solana_commitment_config::CommitmentConfig;
Expand All @@ -24,7 +27,7 @@ use crate::{
State,
utils::{verify_pubkey, verify_pubkeys},
},
surfnet::{GetAccountResult, locker::SvmAccessContext},
surfnet::{GetAccountResult, locker::SvmAccessContext, svm::AccountFixture},
types::{TimeTravelConfig, TokenAccount},
};

Expand Down Expand Up @@ -756,6 +759,53 @@ pub trait SurfnetCheatcodes {
config: Option<ResetAccountConfig>,
) -> Result<RpcResponse<()>>;

/// A cheat code to export all accounts as fixtures for testing.
///
/// ## Parameters
/// - `encoding` (optional): The encoding to use for account data. Defaults to `"base64"`.
/// - `"base64"`: Returns raw account data as base64 encoded strings
/// - `"jsonParsed"`: Attempts to parse known account types (tokens, programs with IDLs, etc.)
///
/// ## Returns
/// A `HashMap<String, AccountFixture>` where:
/// - Key: The account's public key as a base-58 string
/// - Value: An `AccountFixture` containing the account's full state
///
/// ## Example Request
/// ```json
/// {
/// "jsonrpc": "2.0",
/// "id": 1,
/// "method": "surfnet_exportSnapshot",
/// "params": ["base64"]
/// }
/// ```
///
/// ## Example Response
/// ```json
/// {
/// "jsonrpc": "2.0",
/// "result": {
/// "4EXSeLGxVBpAZwq7vm6evLdewpcvE2H56fpqL2pPiLFa": {
/// "pubkey": "4EXSeLGxVBpAZwq7vm6evLdewpcvE2H56fpqL2pPiLFa",
/// "lamports": 1000000,
/// "owner": "11111111111111111111111111111111",
/// "executable": false,
/// "rentEpoch": 0,
/// "data": ["...", "base64"]
/// }
/// },
/// "id": 1
/// }
/// ```
///
#[rpc(meta, name = "surfnet_exportSnapshot")]
fn export_account_fixtures(
&self,
meta: Self::Metadata,
encoding: Option<UiAccountEncoding>,
) -> Result<BTreeMap<String, AccountFixture>>;

/// A cheat code to get Surfnet network information.
///
/// ## Parameters
Expand Down Expand Up @@ -1338,6 +1388,16 @@ impl SurfnetCheatcodes for SurfnetCheatcodesRpc {
value: GetSurfnetInfoResponse::new(runbook_executions),
})
}

fn export_account_fixtures(
&self,
meta: Self::Metadata,
encoding: Option<UiAccountEncoding>,
) -> Result<BTreeMap<String, AccountFixture>> {
let encoding = encoding.unwrap_or(UiAccountEncoding::Base64);
meta.with_svm_reader(|svm_reader| svm_reader.export_accounts_as_fixtures(encoding))
.map_err(Into::into)
}
}

#[cfg(test)]
Expand Down
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