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@midnight-ntwrk/midnight-js-contracts v0.2.5 • API

Midnight.js API Reference v0.2.5 / @midnight-ntwrk/midnight-js-contracts / findDeployedContract

Function: findDeployedContract()

findDeployedContract<PSS, PSK, C>(providers, options): Promise<FoundContract<PSS[PSK], C>>

Creates an instance of FoundContract given the address of a deployed contract and the private address with an existing private state. The current value at the private address is used as the initialPrivateState value in the finalizedDeployTxData property of the returned FoundContract.

Type parameters​

• PSS extends PrivateStateSchema

• PSK extends string

• C extends Contract<PSS[PSK], Witnesses<PSS[PSK]>>

Parameters​

• providers: MidnightProviders<ImpureCircuitId<C>, PSS>

The providers used to manage the transaction lifecycle.

• options: FindDeployedContractOptions<PSS, PSK, C>

Configuration.

Returns​

Promise<FoundContract<PSS[PSK], C>>

Throws​

Error No contract state could be found at contractAddress.

Throws​

TypeError Thrown if contractAddress is not correctly formatted as a contract address.

Throws​

ContractTypeError One or more circuits defined on contract are undefined on the contract state found at contractAddress, or have mis-matched verifier keys.