VMContext

near_sdk

Struct VMContext 

Source 
pub struct VMContext {
Show 16 fields
    pub current_account_id: AccountId,
    pub signer_account_id: AccountId,
    pub signer_account_pk: PublicKey,
    pub predecessor_account_id: AccountId,
    pub input: Rc<[u8]>,
    pub block_index: BlockHeight,
    pub block_timestamp: u64,
    pub epoch_height: EpochHeight,
    pub account_balance: NearToken,
    pub account_locked_balance: NearToken,
    pub storage_usage: StorageUsage,
    pub attached_deposit: NearToken,
    pub prepaid_gas: Gas,
    pub random_seed: [u8; 32],
    pub view_config: Option<ViewConfig>,
    pub output_data_receivers: Vec<AccountId>,

}
Available on crate feature unit-testing and non-WebAssembly only.
Expand description

Context for the contract execution.

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§current_account_id: AccountId

The account id of the current contract that we are executing.

§signer_account_id: AccountId

The account id of that signed the original transaction that led to this execution.

§signer_account_pk: PublicKey

The public key that was used to sign the original transaction that led to this execution.

§predecessor_account_id: AccountId

If this execution is the result of cross-contract call or a callback then predecessor is the account that called it. If this execution is the result of direct execution of transaction then it is equal to signer_account_id.

§input: Rc<[u8]>

The input to the contract call. Encoded as base64 string to be able to pass input in borsh binary format.

§block_index: BlockHeight

The current block height.

§block_timestamp: u64

The current block timestamp (number of non-leap-nanoseconds since January 1, 1970 0:00:00 UTC).

§epoch_height: EpochHeight

The current epoch height.

§account_balance: NearToken

The balance attached to the given account. Excludes the attached_deposit that was attached to the transaction.

§account_locked_balance: NearToken

The balance of locked tokens on the given account.

§storage_usage: StorageUsage

The account’s storage usage before the contract execution

§attached_deposit: NearToken

The balance that was attached to the call that will be immediately deposited before the contract execution starts.

§prepaid_gas: Gas

The gas attached to the call that can be used to pay for the gas fees.

§random_seed: [u8; 32]

Initial seed for randomness

§view_config: Option<ViewConfig>

If Some, it means that execution is made in a view mode and defines its configuration. View mode means that only read-only operations are allowed. See https://nomicon.io/Proposals/view-change-method for more details.

§output_data_receivers: Vec<AccountId>

How many DataReceipt’s should receive this execution result. This should be empty if this function call is a part of a batch and it is not the last action.

Implementations§

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impl VMContext

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pub fn is_view(&self) -> bool

Trait Implementations§

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impl Clone for VMContext

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fn clone(&self) -> VMContext

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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