mirror of
https://github.com/logos-blockchain/logos-execution-zone.git
synced 2026-06-09 08:49:27 +00:00
4bcffafe27
BREAKING CHANGE:
- Crate `nssa` renamed to `lee`; update `Cargo.toml` dependencies from `nssa = { workspace = true }` to `lee = { workspace = true }`.
- Crate `nssa_core` renamed to `lee_core`; update similarly.
- Crate `key_protocol` moved under `lee`; update `Cargo.toml` dependencies from `key_protocol = { workspace = true }` to `lee_key_protocol = { workspace = true }`.
- Type `NSSATransaction` (in `common`) renamed to `LeeTransaction`.
- Error type `nssa::error::NssaError` renamed to `lee::error::LeeError`.
- Error type `nssa_core::error::NssaCoreError` renamed to `lee_core::error::LeeCoreError`.
- All `use nssa::` and `use nssa_core::` import paths must be updated to `use lee::` and `use lee_core::` respectively.
- Guest programs must replace `write_nssa_outputs` with `write_lee_outputs`.
- The sequencer RocksDB column family for the chain state was renamed. Existing databases are incompatible and must be wiped before running the new version.
- Domain separators updated: `"NSSA_seed"` → `"LEE_seed"` (key derivation), `"NSSA/v0.2/KDF-SHA256/"` → `"LEE/v0.2/KDF-SHA256/"` (encryption KDF), `"/NSSA/v0.2/AccountId/PDA/"` →
`"/LEE/v0.2/AccountId/PDA/"` (public PDA address derivation). All previously derived keys, encrypted outputs, and public PDA addresses are invalidated.
106 lines
3.1 KiB
Rust
106 lines
3.1 KiB
Rust
use lee_core::{
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account::{AccountWithMetadata, Data},
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program::AccountPostState,
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};
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use token_core::{TokenDefinition, TokenHolding};
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#[must_use]
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pub fn burn(
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definition_account: AccountWithMetadata,
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user_holding_account: AccountWithMetadata,
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amount_to_burn: u128,
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) -> Vec<AccountPostState> {
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assert!(
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user_holding_account.is_authorized,
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"Authorization is missing"
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);
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let mut definition = TokenDefinition::try_from(&definition_account.account.data)
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.expect("Token Definition account must be valid");
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let mut holding = TokenHolding::try_from(&user_holding_account.account.data)
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.expect("Token Holding account must be valid");
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assert_eq!(
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definition_account.account_id,
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holding.definition_id(),
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"Mismatch Token Definition and Token Holding"
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);
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match (&mut definition, &mut holding) {
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(
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TokenDefinition::Fungible {
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name: _,
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metadata_id: _,
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total_supply,
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},
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TokenHolding::Fungible {
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definition_id: _,
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balance,
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},
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) => {
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*balance = balance
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.checked_sub(amount_to_burn)
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.expect("Insufficient balance to burn");
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*total_supply = total_supply
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.checked_sub(amount_to_burn)
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.expect("Total supply underflow");
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}
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(
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TokenDefinition::NonFungible {
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name: _,
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printable_supply,
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metadata_id: _,
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},
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TokenHolding::NftMaster {
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definition_id: _,
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print_balance,
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},
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) => {
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*printable_supply = printable_supply
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.checked_sub(amount_to_burn)
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.expect("Printable supply underflow");
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*print_balance = print_balance
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.checked_sub(amount_to_burn)
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.expect("Insufficient balance to burn");
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}
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(
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TokenDefinition::NonFungible {
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name: _,
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printable_supply,
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metadata_id: _,
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},
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TokenHolding::NftPrintedCopy {
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definition_id: _,
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owned,
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},
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) => {
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assert_eq!(
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amount_to_burn, 1,
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"Invalid balance to burn for NFT Printed Copy"
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);
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assert!(*owned, "Cannot burn unowned NFT Printed Copy");
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*printable_supply = printable_supply
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.checked_sub(1)
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.expect("Printable supply underflow");
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*owned = false;
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}
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_ => panic!("Mismatched Token Definition and Token Holding types"),
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}
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let mut definition_post = definition_account.account;
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definition_post.data = Data::from(&definition);
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let mut holding_post = user_holding_account.account;
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holding_post.data = Data::from(&holding);
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vec![
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AccountPostState::new(definition_post),
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AccountPostState::new(holding_post),
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]
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}
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