Skip to content
This repository was archived by the owner on Mar 11, 2025. It is now read-only.

[program-2022] Add auditor ciphertexts to instruction data #7480

Merged
merged 12 commits into from
Nov 15, 2024
Merged

[program-2022] Add auditor ciphertexts to instruction data #7480

Show file tree
Hide file tree
Changes from 11 commits
Commits
Show all changes
12 commits
Select commit Hold shift + click to select a range
0f36ed8
add auditor ciphertext to transfer instruction data
samkim-crypto Nov 11, 2024
95b889e
add auditor ciphertext to confidential mint and burn instruction data
samkim-crypto Nov 11, 2024
2076cec
cargo fmt
samkim-crypto Nov 11, 2024
0051544
cargo clippy
samkim-crypto Nov 11, 2024
08e0e62
import `elgamalciphertext_fromstr`
samkim-crypto Nov 11, 2024
99bd97b
update token-cli
samkim-crypto Nov 12, 2024
c77a50b
use `map_err(TokenError::from)`
samkim-crypto Nov 14, 2024
8fc8f98
add `CiphertextValidityProofWithCiphertext` type
samkim-crypto Nov 14, 2024
afb9652
update token-cli using the updated syntax
samkim-crypto Nov 14, 2024
84c37be
add comments describing the type `CiphertextValidityProofWithCiphertext`
samkim-crypto Nov 14, 2024
3ccab77
update proof tests
samkim-crypto Nov 14, 2024
2bfa851
update to `CiphertextValidityProofWithAuditorCiphertext`
samkim-crypto Nov 15, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 18 additions & 4 deletions token/cli/src/command.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,10 @@ use {
},
spl_token_client::{
client::{ProgramRpcClientSendTransaction, RpcClientResponse},
token::{ComputeUnitLimit, ExtensionInitializationParams, ProofAccount, Token},
token::{
ComputeUnitLimit, ExtensionInitializationParams, ProofAccount,
ProofAccountWithCiphertext, Token,
},
},
spl_token_confidential_transfer_proof_generation::{
transfer::TransferProofData, withdraw::WithdrawProofData,
Expand Down Expand Up @@ -1611,7 +1614,7 @@ async fn command_transfer(

let TransferProofData {
equality_proof_data,
ciphertext_validity_proof_data,
ciphertext_validity_proof_data_with_ciphertext,
range_proof_data,
} = transfer_account_info
.generate_split_transfer_proof_data(
Expand All @@ -1623,6 +1626,11 @@ async fn command_transfer(
)
.unwrap();

let transfer_amount_auditor_ciphertext_lo =
ciphertext_validity_proof_data_with_ciphertext.ciphertext_lo;
let transfer_amount_auditor_ciphertext_hi =
ciphertext_validity_proof_data_with_ciphertext.ciphertext_hi;

// setup proofs
let create_range_proof_context_signer = &[&range_proof_context_state_account];
let create_equality_proof_context_signer = &[&equality_proof_context_state_account];
Expand All @@ -1647,7 +1655,7 @@ async fn command_transfer(
token.confidential_transfer_create_context_state_account(
&ciphertext_validity_proof_pubkey,
&context_state_authority_pubkey,
&ciphertext_validity_proof_data,
&ciphertext_validity_proof_data_with_ciphertext.proof_data,
false,
create_ciphertext_validity_proof_context_signer
)
Expand All @@ -1661,13 +1669,19 @@ async fn command_transfer(
let range_proof_context_proof_account =
ProofAccount::ContextAccount(range_proof_pubkey);

let ciphertext_validity_proof_account_with_ciphertext = ProofAccountWithCiphertext {
proof_account: ciphertext_validity_proof_context_proof_account,
ciphertext_lo: transfer_amount_auditor_ciphertext_lo,
ciphertext_hi: transfer_amount_auditor_ciphertext_hi,
};

let transfer_result = token
.confidential_transfer_transfer(
&sender,
&recipient_token_account,
&sender_owner,
Some(&equality_proof_context_proof_account),
Some(&ciphertext_validity_proof_context_proof_account),
Some(&ciphertext_validity_proof_account_with_ciphertext),
Some(&range_proof_context_proof_account),
transfer_balance,
Some(transfer_account_info),
Expand Down
171 changes: 113 additions & 58 deletions token/client/src/token.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ use {
encryption::{
auth_encryption::AeKey,
elgamal::{ElGamalCiphertext, ElGamalKeypair, ElGamalPubkey, ElGamalSecretKey},
pod::elgamal::PodElGamalPubkey,
pod::elgamal::{PodElGamalCiphertext, PodElGamalPubkey},
},
zk_elgamal_proof_program::{
self,
Expand Down Expand Up @@ -348,6 +348,12 @@ pub enum ProofAccount {
RecordAccount(Pubkey, u32),
}

pub struct ProofAccountWithCiphertext {
pub proof_account: ProofAccount,
pub ciphertext_lo: PodElGamalCiphertext,
pub ciphertext_hi: PodElGamalCiphertext,
}

pub struct Token<T> {
client: Arc<dyn ProgramClient<T>>,
pubkey: Pubkey, /* token mint */
Expand Down Expand Up @@ -2198,7 +2204,7 @@ where
destination_account: &Pubkey,
source_authority: &Pubkey,
equality_proof_account: Option<&ProofAccount>,
ciphertext_validity_proof_account: Option<&ProofAccount>,
ciphertext_validity_proof_account_with_ciphertext: Option<&ProofAccountWithCiphertext>,
range_proof_account: Option<&ProofAccount>,
transfer_amount: u64,
account_info: Option<TransferAccountInfo>,
Expand All @@ -2220,46 +2226,65 @@ where
TransferAccountInfo::new(confidential_transfer_account)
};

let (equality_proof_data, ciphertext_validity_proof_data, range_proof_data) = if [
equality_proof_account,
ciphertext_validity_proof_account,
range_proof_account,
]
.iter()
.all(|proof_account| proof_account.is_some())
{
(None, None, None)
} else {
let TransferProofData {
equality_proof_data,
ciphertext_validity_proof_data,
range_proof_data,
} = account_info
.generate_split_transfer_proof_data(
transfer_amount,
source_elgamal_keypair,
source_aes_key,
destination_elgamal_pubkey,
auditor_elgamal_pubkey,
)
.map_err(|_| TokenError::ProofGeneration)?;
let (equality_proof_data, ciphertext_validity_proof_data_with_ciphertext, range_proof_data) =
if equality_proof_account.is_some()
&& ciphertext_validity_proof_account_with_ciphertext.is_some()
&& range_proof_account.is_some()
{
(None, None, None)
} else {
let TransferProofData {
equality_proof_data,
ciphertext_validity_proof_data_with_ciphertext,
range_proof_data,
} = account_info
.generate_split_transfer_proof_data(
transfer_amount,
source_elgamal_keypair,
source_aes_key,
destination_elgamal_pubkey,
auditor_elgamal_pubkey,
)
.map_err(|_| TokenError::ProofGeneration)?;

// if proof accounts are none, then proof data must be included as instruction
// data
let equality_proof_data = equality_proof_account
.is_none()
.then_some(equality_proof_data);
let ciphertext_validity_proof_data = ciphertext_validity_proof_account
.is_none()
.then_some(ciphertext_validity_proof_data);
let range_proof_data = range_proof_account.is_none().then_some(range_proof_data);
// if proof accounts are none, then proof data must be included as instruction
// data
let equality_proof_data = equality_proof_account
.is_none()
.then_some(equality_proof_data);
let ciphertext_validity_proof_data_with_ciphertext =
ciphertext_validity_proof_account_with_ciphertext
.is_none()
.then_some(ciphertext_validity_proof_data_with_ciphertext);
let range_proof_data = range_proof_account.is_none().then_some(range_proof_data);

(
equality_proof_data,
ciphertext_validity_proof_data,
range_proof_data,
)
};
(
equality_proof_data,
ciphertext_validity_proof_data_with_ciphertext,
range_proof_data,
)
};

let (transfer_amount_auditor_ciphertext_lo, transfer_amount_auditor_ciphertext_hi) =
if let Some(proof_data_with_ciphertext) = ciphertext_validity_proof_data_with_ciphertext
{
(
proof_data_with_ciphertext.ciphertext_lo,
proof_data_with_ciphertext.ciphertext_hi,
)
} else {
// unwrap is safe as long as either `proof_data_with_ciphertext`,
// `proof_account_with_ciphertext` is `Some(..)`, which is guaranteed by the
// previous check
(
ciphertext_validity_proof_account_with_ciphertext
.unwrap()
.ciphertext_lo,
ciphertext_validity_proof_account_with_ciphertext
.unwrap()
.ciphertext_hi,
)
};

// cannot panic as long as either `proof_data` or `proof_account` is `Some(..)`,
// which is guaranteed by the previous check
Expand All @@ -2269,9 +2294,11 @@ where
1,
)
.unwrap();
let ciphertext_validity_proof_data =
ciphertext_validity_proof_data_with_ciphertext.map(|data| data.proof_data);
let ciphertext_validity_proof_location = Self::confidential_transfer_create_proof_location(
ciphertext_validity_proof_data.as_ref(),
ciphertext_validity_proof_account,
ciphertext_validity_proof_account_with_ciphertext.map(|account| &account.proof_account),
2,
)
.unwrap();
Expand All @@ -2292,6 +2319,8 @@ where
self.get_address(),
destination_account,
new_decryptable_available_balance.into(),
&transfer_amount_auditor_ciphertext_lo,
&transfer_amount_auditor_ciphertext_hi,
source_authority,
&multisig_signers,
equality_proof_location,
Expand Down Expand Up @@ -2526,7 +2555,9 @@ where
destination_account: &Pubkey,
source_authority: &Pubkey,
equality_proof_account: Option<&ProofAccount>,
transfer_amount_ciphertext_validity_proof_account: Option<&ProofAccount>,
transfer_amount_ciphertext_validity_proof_account_with_ciphertext: Option<
&ProofAccountWithCiphertext,
>,
percentage_with_cap_proof_account: Option<&ProofAccount>,
fee_ciphertext_validity_proof_account: Option<&ProofAccount>,
range_proof_account: Option<&ProofAccount>,
Expand Down Expand Up @@ -2555,26 +2586,22 @@ where

let (
equality_proof_data,
transfer_amount_ciphertext_validity_proof_data,
transfer_amount_ciphertext_validity_proof_data_with_ciphertext,
percentage_with_cap_proof_data,
fee_ciphertext_validity_proof_data,
range_proof_data,
) = if [
equality_proof_account,
transfer_amount_ciphertext_validity_proof_account,
percentage_with_cap_proof_account,
fee_ciphertext_validity_proof_account,
range_proof_account,
]
.iter()
.all(|proof_account| proof_account.is_some())
) = if equality_proof_account.is_some()
&& transfer_amount_ciphertext_validity_proof_account_with_ciphertext.is_some()
&& percentage_with_cap_proof_account.is_some()
&& fee_ciphertext_validity_proof_account.is_some()
&& range_proof_account.is_some()
{
// is all proofs come from accounts, then skip proof generation
(None, None, None, None, None)
} else {
let TransferWithFeeProofData {
equality_proof_data,
transfer_amount_ciphertext_validity_proof_data,
transfer_amount_ciphertext_validity_proof_data_with_ciphertext,
percentage_with_cap_proof_data,
fee_ciphertext_validity_proof_data,
range_proof_data,
Expand All @@ -2594,10 +2621,10 @@ where
let equality_proof_data = equality_proof_account
.is_none()
.then_some(equality_proof_data);
let transfer_amount_ciphertext_validity_proof_data =
transfer_amount_ciphertext_validity_proof_account
let transfer_amount_ciphertext_validity_proof_data_with_ciphertext =
transfer_amount_ciphertext_validity_proof_account_with_ciphertext
.is_none()
.then_some(transfer_amount_ciphertext_validity_proof_data);
.then_some(transfer_amount_ciphertext_validity_proof_data_with_ciphertext);
let percentage_with_cap_proof_data = percentage_with_cap_proof_account
.is_none()
.then_some(percentage_with_cap_proof_data);
Expand All @@ -2608,13 +2635,35 @@ where

(
equality_proof_data,
transfer_amount_ciphertext_validity_proof_data,
transfer_amount_ciphertext_validity_proof_data_with_ciphertext,
percentage_with_cap_proof_data,
fee_ciphertext_validity_proof_data,
range_proof_data,
)
};

let (transfer_amount_auditor_ciphertext_lo, transfer_amount_auditor_ciphertext_hi) =
if let Some(proof_data_with_ciphertext) =
transfer_amount_ciphertext_validity_proof_data_with_ciphertext
{
(
proof_data_with_ciphertext.ciphertext_lo,
proof_data_with_ciphertext.ciphertext_hi,
)
} else {
// unwrap is safe as long as either `proof_data_with_ciphertext`,
// `proof_account_with_ciphertext` is `Some(..)`, which is guaranteed by the
// previous check
(
transfer_amount_ciphertext_validity_proof_account_with_ciphertext
.unwrap()
.ciphertext_lo,
transfer_amount_ciphertext_validity_proof_account_with_ciphertext
.unwrap()
.ciphertext_hi,
)
};

// cannot panic as long as either `proof_data` or `proof_account` is `Some(..)`,
// which is guaranteed by the previous check
let equality_proof_location = Self::confidential_transfer_create_proof_location(
Expand All @@ -2623,10 +2672,14 @@ where
1,
)
.unwrap();
let transfer_amount_ciphertext_validity_proof_data =
transfer_amount_ciphertext_validity_proof_data_with_ciphertext
.map(|data| data.proof_data);
let transfer_amount_ciphertext_validity_proof_location =
Self::confidential_transfer_create_proof_location(
transfer_amount_ciphertext_validity_proof_data.as_ref(),
transfer_amount_ciphertext_validity_proof_account,
transfer_amount_ciphertext_validity_proof_account_with_ciphertext
.map(|account| &account.proof_account),
2,
)
.unwrap();
Expand Down Expand Up @@ -2660,6 +2713,8 @@ where
self.get_address(),
destination_account,
new_decryptable_available_balance.into(),
&transfer_amount_auditor_ciphertext_lo,
&transfer_amount_auditor_ciphertext_hi,
source_authority,
&multisig_signers,
equality_proof_location,
Expand Down
Loading
Loading