@midnight/ledger v3.0.2 • Readme | API
@midnight/ledger v3.0.2 / ContractState
Class: ContractState
The state of a contract, consisting primarily of the data accessible directly to the contract, and the map of ContractOperations that can be called on it, the keys of which can be accessed with operations, and the individual operations can be read with operation and written to with setOperation.
Constructors
new ContractState()
new ContractState(): ContractState
Creates a blank contract state
Returns
Properties
data
data: StateValue;
The current value of the primary state of the contract
maintenanceAuthority
maintenanceAuthority: ContractMaintenanceAuthority;
The maintenance authority associated with this contract
Methods
operation()
operation(operation): undefined | ContractOperation
Get the operation at a specific entry point name
Parameters
• operation: string | Uint8Array
Returns
undefined | ContractOperation
operations()
operations(): (string | Uint8Array)[]
Return a list of the entry points currently registered on this contract
Returns
(string | Uint8Array)[]
query()
query(query, cost_model): GatherResult[]
Runs a series of operations against the current state, and returns the results
Parameters
• query: Op<null>[]
• cost_model: CostModel
Returns
serialize()
serialize(networkid): Uint8Array
Parameters
• networkid: NetworkId
Returns
Uint8Array
setOperation()
setOperation(operation, value): void
Set a specific entry point name to contain a given operation
Parameters
• operation: string | Uint8Array
• value: ContractOperation
Returns
void
toString()
toString(compact?): string
Parameters
• compact?: boolean
Returns
string
deserialize()
static deserialize(raw, networkid): ContractState
Parameters
• raw: Uint8Array
• networkid: NetworkId