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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,65 +1,64 @@ | ||
| // //! Transient Storage example. | ||
| // #![cfg_attr(target_arch = "wasm32", no_std)] | ||
| // #![cfg_attr(target_arch = "wasm32", no_main)] | ||
| //! Transient Storage example. | ||
| #![cfg_attr(target_arch = "wasm32", no_std)] | ||
| #![cfg_attr(target_arch = "wasm32", no_main)] | ||
|
|
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| // extern crate zink; | ||
| extern crate zink; | ||
|
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| // use zink::storage::TransientStorage; | ||
| use zink::storage::TransientStorage; | ||
| /// Temporary counter with value type `i32` that resets after each transaction | ||
| #[zink::transient_storage(i32)] | ||
| pub struct TempCounter; | ||
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| // /// Temporary counter with value type `i32` that resets after each transaction | ||
| // #[zink::transient_storage(i32)] | ||
| // pub struct TempCounter; | ||
| /// Set value to the transient storage. | ||
| #[zink::external] | ||
| pub fn set_temp(value: i32) { | ||
| TempCounter::set(value); | ||
| } | ||
|
|
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| // /// Set value to the transient storage. | ||
| // #[zink::external] | ||
| // pub fn set_temp(value: i32) { | ||
| // TempCounter::set(value); | ||
| // } | ||
| /// Get value from the transient storage. | ||
| #[zink::external] | ||
| pub fn get_temp() -> i32 { | ||
| TempCounter::get() | ||
| } | ||
|
|
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| // /// Get value from the transient storage. | ||
| // #[zink::external] | ||
| // pub fn get_temp() -> i32 { | ||
| // TempCounter::get() | ||
| // } | ||
| #[cfg(not(target_arch = "wasm32"))] | ||
| fn main() {} | ||
|
|
||
| // #[cfg(not(target_arch = "wasm32"))] | ||
| // fn main() {} | ||
| #[test] | ||
| fn transient_value() -> anyhow::Result<()> { | ||
| use zint::{Bytes32, Contract, U256}; | ||
|
|
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| // #[test] | ||
| // fn transient_value() -> anyhow::Result<()> { | ||
| // use zint::{Bytes32, Contract, U256}; | ||
| let mut contract = Contract::search("transient_storage")?.compile()?; | ||
| let value: i32 = 42; | ||
|
|
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| // let mut contract = Contract::search("transient_storage")?.compile()?; | ||
| // let value: i32 = 42; | ||
| // First transaction: set value | ||
| { | ||
| let info = contract.execute(&[b"set_temp(int32)".to_vec(), value.to_bytes32().to_vec()])?; | ||
| assert!(info.ret.is_empty()); | ||
| assert_eq!( | ||
| info.transient_storage | ||
| .get(&U256::from_le_bytes(TempCounter::STORAGE_KEY)), | ||
| Some(&U256::from(value)) | ||
| ); | ||
| // Verify regular storage is untouched | ||
| assert_eq!( | ||
| info.storage | ||
| .get(&U256::from_le_bytes(TempCounter::STORAGE_KEY)), | ||
| None | ||
| ); | ||
| } | ||
|
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| // // First transaction: set value | ||
| // { | ||
| // let info = contract.execute(&[b"set_temp(int32)".to_vec(), value.to_bytes32().to_vec()])?; | ||
| // assert!(info.ret.is_empty()); | ||
| // assert_eq!( | ||
| // info.transient_storage | ||
| // .get(&U256::from_le_bytes(TempCounter::STORAGE_KEY)), | ||
| // Some(&U256::from(value)) | ||
| // ); | ||
| // // Verify regular storage is untouched | ||
| // assert_eq!( | ||
| // info.storage | ||
| // .get(&U256::from_le_bytes(TempCounter::STORAGE_KEY)), | ||
| // None | ||
| // ); | ||
| // } | ||
| // Second transaction: value should be cleared | ||
| { | ||
| let info = contract.execute(&[b"get_temp()".to_vec()])?; | ||
| assert_eq!(info.ret, 0.to_bytes32()); | ||
| // Verify transient storage was cleared | ||
| assert_eq!( | ||
| info.transient_storage | ||
| .get(&U256::from_le_bytes(TempCounter::STORAGE_KEY)), | ||
| None | ||
| ); | ||
| } | ||
|
|
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| // // Second transaction: value should be cleared | ||
| // { | ||
| // let info = contract.execute(&[b"get_temp()".to_vec()])?; | ||
| // assert_eq!(info.ret, 0.to_bytes32()); | ||
| // // Verify transient storage was cleared | ||
| // assert_eq!( | ||
| // info.transient_storage | ||
| // .get(&U256::from_le_bytes(TempCounter::STORAGE_KEY)), | ||
| // None | ||
| // ); | ||
| // } | ||
|
|
||
| // Ok(()) | ||
| // } | ||
| Ok(()) | ||
| } |