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contract/money: Stub for ::Freeze

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This commit is contained in:
parazyd
2023-02-20 21:56:03 +01:00
parent b30843c12c
commit 39a698a63f
2 changed files with 72 additions and 11 deletions
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31
src/contract/money/proof/token_freeze_v1.zk Normal file
View File

@@ -0,0 +1,31 @@
constant "TokenFreeze_V1" {
EcFixedPointShort VALUE_COMMIT_VALUE,
EcFixedPoint VALUE_COMMIT_RANDOM,
EcFixedPointBase NULLIFIER_K,
}
contract "TokenFreeze_V1" {
# Token mint authority secret
Base mint_authority,
# Leaf position in the Merkle tree of tokens
Uint32 leaf_pos,
# Merkle authentication path
MerklePath path,
}
circuit "TokenFreeze_V1" {
# Derive public key for the mint authority
mint_public = ec_mul_base(mint_authority, NULLIFIER_K);
mint_x = ec_get_x(mint_public);
mint_y = ec_get_y(mint_public);
constrain_instance(mint_x);
constrain_instance(mint_y);
# Derive the token ID
token_id = poseidon_hash(mint_x, mint_y);
constrain_instance(token_id);
# Prove that this token was minted first
root = merkle_root(leaf_pos, path, token_id);
constrain_instance(root);
}

52
src/contract/money/src/lib.rs
View File

@@ -44,6 +44,7 @@ pub enum MoneyFunction {
Stake = 0x02,
Unstake = 0x03,
Mint = 0x04,
Freeze = 0x05,
}
impl TryFrom<u8> for MoneyFunction {
@@ -56,6 +57,7 @@ impl TryFrom<u8> for MoneyFunction {
0x02 => Ok(Self::Stake),
0x03 => Ok(Self::Unstake),
0x04 => Ok(Self::Mint),
0x05 => Ok(Self::Freeze),
_ => Err(ContractError::InvalidFunction),
}
}
@@ -85,7 +87,8 @@ darkfi_sdk::define_contract!(
// These are the different sled trees that will be created
pub const MONEY_CONTRACT_COIN_ROOTS_TREE: &str = "coin_roots";
pub const MONEY_CONTRACT_NULLIFIERS_TREE: &str = "nullifiers";
pub const MONEY_CONTRACT_FIXED_SUPPLY_TREE: &str = "fixed_supply_tokens";
pub const MONEY_CONTRACT_TOKEN_ROOTS_TREE: &str = "token_roots";
pub const MONEY_CONTRACT_TOKEN_FREEZE_TREE: &str = "token_freezes";
pub const MONEY_CONTRACT_INFO_TREE: &str = "info";
// lead coin, nullifier sled trees.
pub const MONEY_CONTRACT_LEAD_COIN_ROOTS_TREE: &str = "lead_coin_roots";
@@ -97,15 +100,17 @@ pub const MONEY_CONTRACT_COIN_MERKLE_TREE: &str = "coin_tree";
pub const MONEY_CONTRACT_LEAD_COIN_MERKLE_TREE: &str = "lead_coin_tree";
pub const MONEY_CONTRACT_FAUCET_PUBKEYS: &str = "faucet_pubkeys";
/// zkas mint contract namespace
/// zkas mint circuit namespace
pub const MONEY_CONTRACT_ZKAS_MINT_NS_V1: &str = "Mint_V1";
/// zkas burn contract namespace
/// zkas burn circuit namespace
pub const MONEY_CONTRACT_ZKAS_BURN_NS_V1: &str = "Burn_V1";
/// zkas token mint contract namespace
/// zkas token mint circuit namespace
pub const MONEY_CONTRACT_ZKAS_TOKEN_MINT_NS_V1: &str = "TokenMint_V1";
/// zkas staking coin mint contract namespace
/// zkas token freeze circuit namespace
pub const MONEY_CONTRACT_ZKAS_TOKEN_FRZ_NS_V1: &str = "TokenFreeze_V1";
/// zkas staking coin mint circuit namespace
pub const MONEY_CONTRACT_ZKAS_LEAD_MINT_NS_V1: &str = "Lead_Mint_V1";
/// zkas staking coin burn contract namespace
/// zkas staking coin burn circuit namespace
pub const MONEY_CONTRACT_ZKAS_LEAD_BURN_NS_V1: &str = "Lead_Burn_V1";
/// This function runs when the contract is (re)deployed and initialized.
@@ -127,6 +132,7 @@ fn init_contract(cid: ContractId, ix: &[u8]) -> ContractResult {
let burn_v1_bincode = include_bytes!("../proof/burn_v1.zk.bin");
let token_mint_v1_bincode = include_bytes!("../proof/token_mint_v1.zk.bin");
let token_frz_v1_bincode = include_bytes!("../proof/token_freeze_v1.zk.bin");
let lead_mint_v1_bincode = include_bytes!("../proof/lead_mint_v1.zk.bin");
let lead_burn_v1_bincode = include_bytes!("../proof/lead_burn_v1.zk.bin");
@@ -146,24 +152,31 @@ fn init_contract(cid: ContractId, ix: &[u8]) -> ContractResult {
db_set(zkas_db, &serialize(&MONEY_CONTRACT_ZKAS_MINT_NS_V1), &mint_v1_bincode[..])?;
db_set(zkas_db, &serialize(&MONEY_CONTRACT_ZKAS_BURN_NS_V1), &burn_v1_bincode[..])?;
db_set(zkas_db, &serialize(&MONEY_CONTRACT_ZKAS_TOKEN_MINT_NS_V1), &token_mint_v1_bincode[..])?;
db_set(zkas_db, &serialize(&MONEY_CONTRACT_ZKAS_TOKEN_FRZ_NS_V1), &token_frz_v1_bincode[..])?;
db_set(zkas_db, &serialize(&MONEY_CONTRACT_ZKAS_LEAD_MINT_NS_V1), &lead_mint_v1_bincode[..])?;
db_set(zkas_db, &serialize(&MONEY_CONTRACT_ZKAS_LEAD_BURN_NS_V1), &lead_burn_v1_bincode[..])?;
// Set up a database tree to hold Merkle roots
// Set up a database tree to hold Merkle roots of all coins
if db_lookup(cid, MONEY_CONTRACT_COIN_ROOTS_TREE).is_err() {
db_init(cid, MONEY_CONTRACT_COIN_ROOTS_TREE)?;
}
// Set up a database tree to hold nullifiers
// Set up a database tree to hold nullifiers of all spent coins
if db_lookup(cid, MONEY_CONTRACT_NULLIFIERS_TREE).is_err() {
db_init(cid, MONEY_CONTRACT_NULLIFIERS_TREE)?;
}
// Set up a database tree to hold the set of fixed-supply tokens
if db_lookup(cid, MONEY_CONTRACT_FIXED_SUPPLY_TREE).is_err() {
db_init(cid, MONEY_CONTRACT_FIXED_SUPPLY_TREE)?;
// Set up a database tree to hold Merkle roots of all tokens
if db_lookup(cid, MONEY_CONTRACT_TOKEN_ROOTS_TREE).is_err() {
db_init(cid, MONEY_CONTRACT_TOKEN_ROOTS_TREE)?;
}
// Set up a database tree to hold a set of frozen token mints
if db_lookup(cid, MONEY_CONTRACT_TOKEN_FREEZE_TREE).is_err() {
db_init(cid, MONEY_CONTRACT_TOKEN_FREEZE_TREE)?;
}
/*
// Set up a database tree to hold lead Merkle roots
if db_lookup(cid, MONEY_CONTRACT_LEAD_COIN_ROOTS_TREE).is_err() {
db_init(cid, MONEY_CONTRACT_LEAD_COIN_ROOTS_TREE)?;
@@ -173,6 +186,7 @@ fn init_contract(cid: ContractId, ix: &[u8]) -> ContractResult {
if db_lookup(cid, MONEY_CONTRACT_LEAD_NULLIFIERS_TREE).is_err() {
db_init(cid, MONEY_CONTRACT_LEAD_NULLIFIERS_TREE)?;
}
*/
// Set up a database tree for arbitrary data
let info_db = match db_lookup(cid, MONEY_CONTRACT_INFO_TREE) {
@@ -360,10 +374,16 @@ fn get_metadata(_cid: ContractId, ix: &[u8]) -> ContractResult {
set_return_data(&metadata)?;
Ok(())
}
MoneyFunction::Mint => {
msg!("[Mint] Entered match arm");
unimplemented!();
}
MoneyFunction::Freeze => {
msg!("[Freeze] Entered match arm");
unimplemented!();
}
}
}
@@ -748,6 +768,11 @@ fn process_instruction(cid: ContractId, ix: &[u8]) -> ContractResult {
msg!("[Mint] Entered match arm");
unimplemented!();
}
MoneyFunction::Freeze => {
msg!("[Freeze] Entered match arm");
unimplemented!();
}
}
}
@@ -804,5 +829,10 @@ fn process_update(cid: ContractId, update_data: &[u8]) -> ContractResult {
msg!("[Mint] Entered match arm");
unimplemented!();
}
MoneyFunction::Freeze => {
msg!("[Freeze] Entered match arm");
unimplemented!();
}
}
}