get snapshot via gpa compressed

chaindata_standalone/Cargo.toml

@@ -17,6 +17,15 @@ anyhow = { workspace = true }
 itertools = { workspace = true }
 futures = { workspace = true }
 
+serde = { workspace = true }
+serde_json = { workspace = true }
+serde_derive = { workspace = true }
+
+lz4 = "1.24.0"
+base64 = "0.21.7"
+
+
+bincode = "1.3.3"
 async-channel = { workspace = true }
 async-trait = { workspace = true }
 
@@ -26,4 +35,13 @@ geyser-grpc-connector = { tag = "v0.10.6+yellowstone.1.13+solana.1.17.28", git =
 yellowstone-grpc-proto = "1.13.0"
 #yellowstone-grpc-client = "1.14.0"
 
+jsonrpc-core = "18.0.0"
+jsonrpc-core-client = { version = "18.0.0", features = ["ws", "http", "tls"] }
+jsonrpc-derive = "18.0.0"
+jsonrpc-pubsub = "18.0.0"
+
 solana-sdk = { workspace = true }
+solana-client = { workspace = true }
+solana-rpc-client-api = "1.17"
+solana-account-decoder = "1.17"
+

chaindata_standalone/src/account_write.rs

@@ -0,0 +1,40 @@
+use serde_derive::{Deserialize, Serialize};
+use solana_sdk::account::Account;
+use solana_sdk::pubkey::Pubkey;
+
+pub fn account_write_from(
+    pubkey: Pubkey,
+    slot: u64,
+    write_version: u64,
+    account: Account,
+) -> AccountWrite {
+    AccountWrite {
+        pubkey,
+        slot,
+        write_version,
+        lamports: account.lamports,
+        owner: account.owner,
+        executable: account.executable,
+        rent_epoch: account.rent_epoch,
+        data: account.data,
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct AccountWrite {
+    pub pubkey: Pubkey,
+    pub slot: u64,
+    pub write_version: u64,
+    pub lamports: u64,
+    pub owner: Pubkey,
+    pub executable: bool,
+    pub rent_epoch: u64,
+    pub data: Vec<u8>,
+    // is_selected < removed
+}
+
+#[derive(Debug)]
+pub enum AccountOrSnapshotUpdate {
+    AccountUpdate(AccountWrite),
+    SnapshotUpdate(Vec<AccountWrite>),
+}