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refactor: enhance PDA validation #40

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merged 6 commits into from
Oct 8, 2024
Merged

refactor: enhance PDA validation #40

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9555f86
add PDA address to README
brewmaster012 Oct 7, 2024
46cecb2
enhance pda validation
brewmaster012 Oct 7, 2024
f156723
Update programs/protocol-contracts-solana/src/lib.rs
brewmaster012 Oct 7, 2024
64e914f
Update README.md
brewmaster012 Oct 7, 2024
b0d3184
add pda_ata validation as constraints
brewmaster012 Oct 7, 2024
4f36439
Merge branch 'main' into enhance-pda-validation
brewmaster012 Oct 8, 2024
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5 changes: 5 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,11 @@ Mainnet-beta, testnet, devnet gateway program address:
ZETAjseVjuFsxdRxo6MmTCvqFwb3ZHUx56Co3vCmGis
```

The PDA account address (derived from seeds `b"meta"` and standup bump) is
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```
2f9SLuUNb7TNeM6gzBwT4ZjbL5ZyKzzHg1Ce9yiquEjj
```

This repository hosts the smart contracts (program)
on Solana network to support ZetaChain cross-chain
functionality. Specifically, it consists of a single
Expand Down
16 changes: 8 additions & 8 deletions programs/protocol-contracts-solana/src/lib.rs
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Expand Up @@ -34,7 +34,6 @@ declare_id!("ZETAjseVjuFsxdRxo6MmTCvqFwb3ZHUx56Co3vCmGis");

#[program]
pub mod gateway {

use super::*;

pub fn initialize(
Expand Down Expand Up @@ -338,8 +337,9 @@ pub struct Deposit<'info> {
#[account(mut)]
pub signer: Signer<'info>,

#[account(mut)]
#[account(mut, seeds = [b"meta"], bump)]
pub pda: Account<'info, Pda>,

pub system_program: Program<'info, System>,
}

Expand All @@ -348,8 +348,9 @@ pub struct DepositSplToken<'info> {
#[account(mut)]
pub signer: Signer<'info>,

#[account(mut, seeds = [b"meta"], bump)]
#[account(seeds=[b"meta"], bump)]
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pub pda: Account<'info, Pda>,

pub token_program: Program<'info, Token>,

#[account(mut)]
Expand All @@ -363,7 +364,7 @@ pub struct Withdraw<'info> {
#[account(mut)]
pub signer: Signer<'info>,

#[account(mut)]
#[account(mut, seeds = [b"meta"], bump)]
pub pda: Account<'info, Pda>,
/// CHECK: to account is not read so no need to check its owners; the program neither knows nor cares who the owner is.
#[account(mut)]
Expand All @@ -381,7 +382,6 @@ pub struct WithdrawSPLToken<'info> {
#[account(mut)]
pub pda_ata: Account<'info, TokenAccount>, // associated token address of PDA
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just to double check if we can add some of these spl token constraints on these related accounts:
https://www.quicknode.com/guides/solana-development/anchor/how-to-use-constraints-in-anchor#spl-token-constraints

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b0d3184

added a few constraints. This seems to be redundant to the checks inside the withdrawSPLToken function:
as a result, there is no way to trigger the error SPLAtaAndMintAddressMismatch in the test.
For now let's leave both validation there as they do not harm.

let pda_ata = get_associated_token_address(&pda.key(), &ctx.accounts.mint_account.key());
        require!(
            pda_ata == ctx.accounts.pda_ata.to_account_info().key(),
            Errors::SPLAtaAndMintAddressMismatch
        );

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yes i suspected we can achieve the same validation with anchor after checking link above

i am ok with leaving both validations, but also would be ok to remove ours if it cant be triggered anymore to keep programs simpler

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will keep both for now.


#[account()]
pub mint_account: Account<'info, Mint>,

#[account(mut)]
Expand All @@ -392,23 +392,23 @@ pub struct WithdrawSPLToken<'info> {

#[derive(Accounts)]
pub struct UpdateTss<'info> {
#[account(mut)]
#[account(mut, seeds = [b"meta"], bump)]
pub pda: Account<'info, Pda>,
#[account(mut)]
pub signer: Signer<'info>,
}

#[derive(Accounts)]
pub struct UpdateAuthority<'info> {
#[account(mut)]
#[account(mut, seeds = [b"meta"], bump)]
pub pda: Account<'info, Pda>,
#[account(mut)]
pub signer: Signer<'info>,
}

#[derive(Accounts)]
pub struct UpdatePaused<'info> {
#[account(mut)]
#[account(mut, seeds = [b"meta"], bump)]
pub pda: Account<'info, Pda>,
#[account(mut)]
pub signer: Signer<'info>,
Expand Down
16 changes: 7 additions & 9 deletions tests/protocol-contracts-solana.ts
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Expand Up @@ -307,7 +307,7 @@ describe("some tests", () => {
});

it("deposit and withdraw 0.5 SOL from Gateway with ECDSA signature", async () => {
await gatewayProgram.methods.deposit(new anchor.BN(1_000_000_000), Array.from(address)).accounts({pda: pdaAccount}).rpc();
await gatewayProgram.methods.deposit(new anchor.BN(1_000_000_000), Array.from(address)).accounts({}).rpc();
let bal1 = await conn.getBalance(pdaAccount);
console.log("pda account balance", bal1);
expect(bal1).to.be.gte(1_000_000_000);
Expand Down Expand Up @@ -341,7 +341,6 @@ describe("some tests", () => {
await gatewayProgram.methods.withdraw(
amount, Array.from(signatureBuffer), Number(recoveryParam), Array.from(message_hash), nonce)
.accounts({
pda: pdaAccount,
to: to,
}).rpc();
let bal2 = await conn.getBalance(pdaAccount);
Expand All @@ -353,7 +352,7 @@ describe("some tests", () => {

it("deposit and call", async () => {
let bal1 = await conn.getBalance(pdaAccount);
const txsig = await gatewayProgram.methods.depositAndCall(new anchor.BN(1_000_000_000), Array.from(address), Buffer.from("hello", "utf-8")).accounts({pda: pdaAccount}).rpc({commitment: 'confirmed'});
const txsig = await gatewayProgram.methods.depositAndCall(new anchor.BN(1_000_000_000), Array.from(address), Buffer.from("hello", "utf-8")).accounts({}).rpc({commitment: 'confirmed'});
const tx = await conn.getParsedTransaction(txsig, 'confirmed');
console.log("deposit and call parsed tx", tx);
let bal2 = await conn.getBalance(pdaAccount);
Expand All @@ -366,7 +365,7 @@ describe("some tests", () => {
randomFillSync(newTss);
// console.log("generated new TSS address", newTss);
await gatewayProgram.methods.updateTss(Array.from(newTss)).accounts({
pda: pdaAccount,

}).rpc();
const pdaAccountData = await gatewayProgram.account.pda.fetch(pdaAccount);
// console.log("updated TSS address", pdaAccountData.tssAddress);
Expand All @@ -375,7 +374,6 @@ describe("some tests", () => {
// only the authority stored in PDA can update the TSS address; the following should fail
try {
await gatewayProgram.methods.updateTss(Array.from(newTss)).accounts({
pda: pdaAccount,
signer: mint.publicKey,
}).signers([mint]).rpc();
} catch (err) {
Expand All @@ -389,12 +387,12 @@ describe("some tests", () => {
randomFillSync(newTss);
// console.log("generated new TSS address", newTss);
await gatewayProgram.methods.setDepositPaused(true).accounts({
pda: pdaAccount,

}).rpc();

// now try deposit, should fail
try {
await gatewayProgram.methods.depositAndCall(new anchor.BN(1_000_000), Array.from(address), Buffer.from('hi', 'utf-8')).accounts({pda: pdaAccount}).rpc();
await gatewayProgram.methods.depositAndCall(new anchor.BN(1_000_000), Array.from(address), Buffer.from('hi', 'utf-8')).accounts({}).rpc();
} catch (err) {
console.log("Error message: ", err.message);
expect(err).to.be.instanceof(anchor.AnchorError);
Expand All @@ -405,15 +403,15 @@ describe("some tests", () => {
it("update authority", async () => {
const newAuthority = anchor.web3.Keypair.generate();
await gatewayProgram.methods.updateAuthority(newAuthority.publicKey).accounts({
pda: pdaAccount,

}).rpc();
// const pdaAccountData = await gatewayProgram.account.pda.fetch(pdaAccount);
// expect(pdaAccountData.authority).to.be.eq(newAuthority.publicKey);

// now the old authority cannot update TSS address and will fail
try {
await gatewayProgram.methods.updateTss(Array.from(new Uint8Array(20))).accounts({
pda: pdaAccount,

}).rpc();
} catch (err) {
console.log("Error message: ", err.message);
Expand Down
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