unc_vm_runner/logic/
context.rs

1use super::types::PublicKey;
2use unc_primitives_core::config::ViewConfig;
3use unc_primitives_core::types::{AccountId, Balance, BlockHeight, EpochHeight, Gas, StorageUsage};
4
5#[derive(Clone)]
6/// Context for the contract execution.
7pub struct VMContext {
8    /// The account id of the current contract that we are executing.
9    pub current_account_id: AccountId,
10    /// The account id of that signed the original transaction that led to this
11    /// execution.
12    pub signer_account_id: AccountId,
13    /// The public key that was used to sign the original transaction that led to
14    /// this execution.
15    pub signer_account_pk: PublicKey,
16    /// If this execution is the result of cross-contract call or a callback then
17    /// predecessor is the account that called it.
18    /// If this execution is the result of direct execution of transaction then it
19    /// is equal to `signer_account_id`.
20    pub predecessor_account_id: AccountId,
21    /// The input to the contract call.
22    /// Encoded as base64 string to be able to pass input in borsh binary format.
23    pub input: Vec<u8>,
24    /// The current block height.
25    pub block_height: BlockHeight,
26    /// The current block timestamp (number of non-leap-nanoseconds since January 1, 1970 0:00:00 UTC).
27    pub block_timestamp: u64,
28    /// The current epoch height.
29    pub epoch_height: EpochHeight,
30
31    /// The balance attached to the given account. Excludes the `attached_deposit` that was
32    /// attached to the transaction.
33    pub account_balance: Balance,
34    /// The balance of pledging tokens on the given account.
35    pub account_locked_balance: Balance,
36    /// The account's storage usage before the contract execution
37    pub storage_usage: StorageUsage,
38    /// The balance that was attached to the call that will be immediately deposited before the
39    /// contract execution starts.
40    pub attached_deposit: Balance,
41    /// The gas attached to the call that can be used to pay for the gas fees.
42    pub prepaid_gas: Gas,
43    /// Initial seed for randomness
44    pub random_seed: Vec<u8>,
45    /// If Some, it means that execution is made in a view mode and defines its configuration.
46    /// View mode means that only read-only operations are allowed.
47    pub view_config: Option<ViewConfig>,
48    /// How many `DataReceipt`'s should receive this execution result. This should be empty if
49    /// this function call is a part of a batch and it is not the last action.
50    pub output_data_receivers: Vec<AccountId>,
51}
52
53impl VMContext {
54    pub fn is_view(&self) -> bool {
55        self.view_config.is_some()
56    }
57}
unc_vm_runner/logic/context.rs

unc_vm_runner/logic/
context.rs
