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feat: protect from public pda griefing attacks

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This commit is contained in:
Daniil Polyakov
2026-03-28 01:23:57 +03:00
parent 085ca69e42
commit 6780f1c9a4
51 changed files with 639 additions and 301 deletions
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examples/program_deployment/methods/guest/src/bin/hello_world.rs
+2 -10
View File
@@ -1,6 +1,4 @@
use nssa_core::program::{
AccountPostState, DEFAULT_PROGRAM_ID, ProgramInput, ProgramOutput, read_nssa_inputs,
};
use nssa_core::program::{AccountPostState, Claim, ProgramInput, ProgramOutput, read_nssa_inputs};
// Hello-world example program.
//
@@ -45,13 +43,7 @@ fn main() {
// Wrap the post state account values inside a `AccountPostState` instance.
// This is used to forward the account claiming request if any
let post_state = if post_account.program_owner == DEFAULT_PROGRAM_ID {
// This produces a claim request
AccountPostState::new_claimed(post_account)
} else {
// This doesn't produce a claim request
AccountPostState::new(post_account)
};
let post_state = AccountPostState::new_claimed_if_default(post_account, Claim::Authorized);
// The output is a proposed state difference. It will only succeed if the pre states coincide
// with the previous values of the accounts, and the transition to the post states conforms
examples/program_deployment/methods/guest/src/bin/hello_world_with_authorization.rs
+2 -10
View File
@@ -1,6 +1,4 @@
use nssa_core::program::{
AccountPostState, DEFAULT_PROGRAM_ID, ProgramInput, ProgramOutput, read_nssa_inputs,
};
use nssa_core::program::{AccountPostState, Claim, ProgramInput, ProgramOutput, read_nssa_inputs};
// Hello-world with authorization example program.
//
@@ -52,13 +50,7 @@ fn main() {
// Wrap the post state account values inside a `AccountPostState` instance.
// This is used to forward the account claiming request if any
let post_state = if post_account.program_owner == DEFAULT_PROGRAM_ID {
// This produces a claim request
AccountPostState::new_claimed(post_account)
} else {
// This doesn't produce a claim request
AccountPostState::new(post_account)
};
let post_state = AccountPostState::new_claimed_if_default(post_account, Claim::Authorized);
// The output is a proposed state difference. It will only succeed if the pre states coincide
// with the previous values of the accounts, and the transition to the post states conforms
examples/program_deployment/methods/guest/src/bin/hello_world_with_move_function.rs
+5 -17
View File
@@ -1,8 +1,6 @@
use nssa_core::{
account::{Account, AccountWithMetadata, Data},
program::{
AccountPostState, DEFAULT_PROGRAM_ID, ProgramInput, ProgramOutput, read_nssa_inputs,
},
account::{AccountWithMetadata, Data},
program::{AccountPostState, Claim, ProgramInput, ProgramOutput, read_nssa_inputs},
};
// Hello-world with write + move_data example program.
@@ -26,16 +24,6 @@ const MOVE_DATA_FUNCTION_ID: u8 = 1;
type Instruction = (u8, Vec<u8>);
fn build_post_state(post_account: Account) -> AccountPostState {
if post_account.program_owner == DEFAULT_PROGRAM_ID {
// This produces a claim request
AccountPostState::new_claimed(post_account)
} else {
// This doesn't produce a claim request
AccountPostState::new(post_account)
}
}
fn write(pre_state: AccountWithMetadata, greeting: &[u8]) -> AccountPostState {
// Construct the post state account values
let post_account = {
@@ -48,7 +36,7 @@ fn write(pre_state: AccountWithMetadata, greeting: &[u8]) -> AccountPostState {
this
};
build_post_state(post_account)
AccountPostState::new_claimed_if_default(post_account, Claim::Authorized)
}
fn move_data(from_pre: AccountWithMetadata, to_pre: AccountWithMetadata) -> Vec<AccountPostState> {
@@ -58,7 +46,7 @@ fn move_data(from_pre: AccountWithMetadata, to_pre: AccountWithMetadata) -> Vec<
let from_post = {
let mut this = from_pre.account;
this.data = Data::default();
build_post_state(this)
AccountPostState::new_claimed_if_default(this, Claim::Authorized)
};
let to_post = {
@@ -68,7 +56,7 @@ fn move_data(from_pre: AccountWithMetadata, to_pre: AccountWithMetadata) -> Vec<
this.data = bytes
.try_into()
.expect("Data should fit within the allowed limits");
build_post_state(this)
AccountPostState::new_claimed_if_default(this, Claim::Authorized)
};
vec![from_post, to_post]