BlockchainViemUtils

@nevermined-io/sdk - v3.0.32 / BlockchainViemUtils

Class: BlockchainViemUtils

Utility class with methods that allow the interaction with the blockchain. This class uses Viem library to interact with the blockchain.

Hierarchy

• Instantiable

  ↳ BlockchainViemUtils

Table of contents

Constructors

• constructor

Accessors

• artifactsFolder
• circuitsFolder
• client
• config
• instanceConfig
• instantiableConfig
• logger
• nevermined
• publicClient
• walletClient

Methods

• checkExists
• deployAbi
• getTransactionReceipt
• loadContract
• setInstanceConfig
• getInstance
• setInstanceConfig

Constructors

constructor

• new BlockchainViemUtils(config): BlockchainViemUtils

Parameters

Name	Type
config	InstantiableConfig

Returns

BlockchainViemUtils

Overrides

Instantiable.constructor

Defined in

src/nevermined/utils/BlockchainViemUtils.ts:60

Accessors

artifactsFolder

• get artifactsFolder(): undefined | string

Returns

undefined | string

Inherited from

Instantiable.artifactsFolder

Defined in

src/Instantiable.abstract.ts:137

---

circuitsFolder

• get circuitsFolder(): undefined | string

Returns

undefined | string

Inherited from

Instantiable.circuitsFolder

Defined in

src/Instantiable.abstract.ts:141

---

client

• get client(): Web3Clients

Returns

Web3Clients

Inherited from

Instantiable.client

Defined in

src/Instantiable.abstract.ts:89

---

config

• get config(): NeverminedOptions

Returns

NeverminedOptions

Inherited from

Instantiable.config

Defined in

src/Instantiable.abstract.ts:120

---

instanceConfig

• get instanceConfig(): InstantiableConfig

Returns

InstantiableConfig

Inherited from

Instantiable.instanceConfig

Defined in

src/Instantiable.abstract.ts:145

---

instantiableConfig

• get instantiableConfig(): undefined | InstantiableConfig

Returns

undefined | InstantiableConfig

Inherited from

Instantiable.instantiableConfig

Defined in

src/Instantiable.abstract.ts:113

---

logger

• get logger(): Logger

Returns

Logger

Inherited from

Instantiable.logger

Defined in

src/Instantiable.abstract.ts:128

---

nevermined

• get nevermined(): Nevermined

Returns

Nevermined

Inherited from

Instantiable.nevermined

Defined in

src/Instantiable.abstract.ts:81

---

publicClient

• get publicClient(): Object

Returns

Object

Name	Type	Description
account	undefined	The Account of the Client.
batch?	{ multicall?: boolean | { batchSize?: number ; wait?: number } }	Flags for batch settings.
batch.multicall?	boolean | { batchSize?: number ; wait?: number }	Toggle to enable eth_call multicall aggregation.
cacheTime	number	Time (in ms) that cached data will remain in memory.
call	(parameters: CallParameters\<undefined | Chain>) => Promise\<CallReturnType>	-
ccipRead?	false | { request?: (parameters: CcipRequestParameters) => Promise\<`0x${string}`> }	CCIP Read configuration.
chain	undefined | Chain	Chain for the client.
createBlockFilter	() => Promise\<{ id: `0x${string}` ; request: EIP1193RequestFn\<readonly [{ Method: "eth_getFilterChanges" ; Parameters: [filterId: `0x${string}`] ; ReturnType: `0x${string}`[] | RpcLog[] }, { Method: "eth_getFilterLogs" ; Parameters: [filterId: `0x${string}`] ; ReturnType: RpcLog[] }, { Method: "eth_uninstallFilter" ; Parameters: [filterId: `0x${string}`] ; ReturnType: boolean }]> ; type: "block" }>	-
createContractEventFilter	\<TAbi, TEventName, TArgs, TStrict, TFromBlock, TToBlock>(args: CreateContractEventFilterParameters\<TAbi, TEventName, TArgs, TStrict, TFromBlock, TToBlock>) => Promise\<CreateContractEventFilterReturnType\<TAbi, TEventName, TArgs, TStrict, TFromBlock, TToBlock>>	-
createEventFilter	\<TAbiEvent, TAbiEvents, TStrict, TFromBlock, TToBlock, _EventName, _Args>(args?: CreateEventFilterParameters\<TAbiEvent, TAbiEvents, TStrict, TFromBlock, TToBlock, _EventName, _Args>) => Promise\<{ [K in string | number | symbol]: Filter\<"event", TAbiEvents, _EventName, _Args, TStrict, TFromBlock, TToBlock>[K] }>	-
createPendingTransactionFilter	() => Promise\<{ id: `0x${string}` ; request: EIP1193RequestFn\<readonly [{ Method: "eth_getFilterChanges" ; Parameters: [filterId: `0x${string}`] ; ReturnType: `0x${string}`[] | RpcLog[] }, { Method: "eth_getFilterLogs" ; Parameters: [filterId: `0x${string}`] ; ReturnType: RpcLog[] }, { Method: "eth_uninstallFilter" ; Parameters: [filterId: `0x${string}`] ; ReturnType: boolean }]> ; type: "transaction" }>	-
estimateContractGas	\<TChain, abi, functionName, args>(args: EstimateContractGasParameters\<abi, functionName, args, TChain>) => Promise\<bigint>	-
estimateFeesPerGas	\<TChainOverride, TType>(args?: EstimateFeesPerGasParameters\<undefined | Chain, TChainOverride, TType>) => Promise\<EstimateFeesPerGasReturnType>	-
estimateGas	(args: EstimateGasParameters\<undefined | Chain>) => Promise\<bigint>	-
estimateMaxPriorityFeePerGas	\<TChainOverride>(args?: { chain: null | TChainOverride }) => Promise\<bigint>	-
extend	\<client>(fn: (client: Client\<Transport, undefined | Chain, undefined, PublicRpcSchema, PublicActions\<Transport, undefined | Chain>>) => client) => Client\<Transport, undefined | Chain, undefined, PublicRpcSchema, { [K in string | number | symbol]: client[K] } & PublicActions\<Transport, undefined | Chain>>	-
getBalance	(args: GetBalanceParameters) => Promise\<bigint>	-
getBlobBaseFee	() => Promise\<bigint>	-
getBlock	\<TIncludeTransactions, TBlockTag>(args?: GetBlockParameters\<TIncludeTransactions, TBlockTag>) => Promise\<{ baseFeePerGas: null | bigint ; blobGasUsed: bigint ; difficulty: bigint ; excessBlobGas: bigint ; extraData: `0x${string}` ; gasLimit: bigint ; gasUsed: bigint ; hash: TBlockTag extends "pending" ? null : `0x${string}` ; logsBloom: TBlockTag extends "pending" ? null : `0x${string}` ; miner: `0x${string}` ; mixHash: `0x${string}` ; nonce: TBlockTag extends "pending" ? null : `0x${string}` ; number: TBlockTag extends "pending" ? null : bigint ; parentHash: `0x${string}` ; receiptsRoot: `0x${string}` ; sealFields: `0x${string}`[] ; sha3Uncles: `0x${string}` ; size: bigint ; stateRoot: `0x${string}` ; timestamp: bigint ; totalDifficulty: null | bigint ; transactions: TIncludeTransactions extends true ? ({ accessList?: undefined ; blobVersionedHashes?: undefined ; blockHash: TBlockTag extends "pending" ? true : false extends true ? null : `0x${string}` ; blockNumber: TBlockTag extends "pending" ? true : false extends true ? null : bigint ; chainId?: number ; from: `0x${string}` ; gas: bigint ; gasPrice: bigint ; hash: `0x${string}` ; input: `0x${string}` ; maxFeePerBlobGas?: undefined ; maxFeePerGas?: undefined ; maxPriorityFeePerGas?: undefined ; nonce: number ; r: `0x${string}` ; s: `0x${string}` ; to: null | `0x${string}` ; transactionIndex: TBlockTag extends "pending" ? true : false extends true ? null : number ; type: "legacy" ; typeHex: null | `0x${string}` ; v: bigint ; value: bigint ; yParity?: undefined } | { accessList: AccessList ; blobVersionedHashes?: undefined ; blockHash: TBlockTag extends "pending" ? true : false extends true ? null : `0x${string}` ; blockNumber: TBlockTag extends "pending" ? true : false extends true ? null : bigint ; chainId: number ; from: `0x${string}` ; gas: bigint ; gasPrice: bigint ; hash: `0x${string}` ; input: `0x${string}` ; maxFeePerBlobGas?: undefined ; maxFeePerGas?: undefined ; maxPriorityFeePerGas?: undefined ; nonce: number ; r: `0x${string}` ; s: `0x${string}` ; to: null | `0x${string}` ; transactionIndex: TBlockTag extends "pending" ? true : false extends true ? null : number ; type: "eip2930" ; typeHex: null | `0x${string}` ; v: bigint ; value: bigint ; yParity: number } | { accessList: AccessList ; blobVersionedHashes?: undefined ; blockHash: TBlockTag extends "pending" ? true : false extends true ? null : `0x${string}` ; blockNumber: TBlockTag extends "pending" ? true : false extends true ? null : bigint ; chainId: number ; from: `0x${string}` ; gas: bigint ; gasPrice?: undefined ; hash: `0x${string}` ; input: `0x${string}` ; maxFeePerBlobGas?: undefined ; maxFeePerGas: bigint ; maxPriorityFeePerGas: bigint ; nonce: number ; r: `0x${string}` ; s: `0x${string}` ; to: null | `0x${string}` ; transactionIndex: TBlockTag extends "pending" ? true : false extends true ? null : number ; type: "eip1559" ; typeHex: null | `0x${string}` ; v: bigint ; value: bigint ; yParity: number } | { accessList: AccessList ; blobVersionedHashes: `0x${string}`[] ; blockHash: TBlockTag extends "pending" ? true : false extends true ? null : `0x${string}` ; blockNumber: TBlockTag extends "pending" ? true : false extends true ? null : bigint ; chainId: number ; from: `0x${string}` ; gas: bigint ; gasPrice?: undefined ; hash: `0x${string}` ; input: `0x${string}` ; maxFeePerBlobGas: bigint ; maxFeePerGas: bigint ; maxPriorityFeePerGas: bigint ; nonce: number ; r: `0x${string}` ; s: `0x${string}` ; to: null | `0x${string}` ; transactionIndex: TBlockTag extends "pending" ? true : false extends true ? null : number ; type: "eip4844" ; typeHex: null | `0x${string}` ; v: bigint ; value: bigint ; yParity: number })[] : `0x${string}`[] ; transactionsRoot: `0x${string}` ; uncles: `0x${string}`[] ; withdrawals?: Withdrawal[] ; withdrawalsRoot?: `0x${string}` }>	-
getBlockNumber	(args?: GetBlockNumberParameters) => Promise\<bigint>	-
getBlockTransactionCount	(args?: GetBlockTransactionCountParameters) => Promise\<number>	-
getBytecode	(args: GetBytecodeParameters) => Promise\<GetBytecodeReturnType>	-
getChainId	() => Promise\<number>	-
getContractEvents	\<abi, eventName, strict, fromBlock, toBlock>(args: GetContractEventsParameters\<abi, eventName, strict, fromBlock, toBlock>) => Promise\<GetContractEventsReturnType\<abi, eventName, strict, fromBlock, toBlock>>	-
getEnsAddress	(args: { blockNumber?: bigint ; blockTag?: BlockTag ; coinType?: number ; gatewayUrls?: string[] ; name: string ; strict?: boolean ; universalResolverAddress?: `0x${string}` }) => Promise\<GetEnsAddressReturnType>	-
getEnsAvatar	(args: { assetGatewayUrls?: AssetGatewayUrls ; blockNumber?: bigint ; blockTag?: BlockTag ; gatewayUrls?: string[] ; name: string ; strict?: boolean ; universalResolverAddress?: `0x${string}` }) => Promise\<GetEnsAvatarReturnType>	-
getEnsName	(args: { address: `0x${string}` ; blockNumber?: bigint ; blockTag?: BlockTag ; gatewayUrls?: string[] ; strict?: boolean ; universalResolverAddress?: `0x${string}` }) => Promise\<GetEnsNameReturnType>	-
getEnsResolver	(args: { blockNumber?: bigint ; blockTag?: BlockTag ; name: string ; universalResolverAddress?: `0x${string}` }) => Promise\<`0x${string}`>	-
getEnsText	(args: { blockNumber?: bigint ; blockTag?: BlockTag ; gatewayUrls?: string[] ; key: string ; name: string ; strict?: boolean ; universalResolverAddress?: `0x${string}` }) => Promise\<GetEnsTextReturnType>	-
getFeeHistory	(args: GetFeeHistoryParameters) => Promise\<GetFeeHistoryReturnType>	-
getFilterChanges	\<TFilterType, TAbi, TEventName, TStrict, TFromBlock, TToBlock>(args: GetFilterChangesParameters\<TFilterType, TAbi, TEventName, TStrict, TFromBlock, TToBlock>) => Promise\<GetFilterChangesReturnType\<TFilterType, TAbi, TEventName, TStrict, TFromBlock, TToBlock>>	-
getFilterLogs	\<TAbi, TEventName, TStrict, TFromBlock, TToBlock>(args: GetFilterLogsParameters\<TAbi, TEventName, TStrict, TFromBlock, TToBlock>) => Promise\<GetFilterLogsReturnType\<TAbi, TEventName, TStrict, TFromBlock, TToBlock>>	-
getGasPrice	() => Promise\<bigint>	-
getLogs	\<TAbiEvent, TAbiEvents, TStrict, TFromBlock, TToBlock>(args?: GetLogsParameters\<TAbiEvent, TAbiEvents, TStrict, TFromBlock, TToBlock>) => Promise\<GetLogsReturnType\<TAbiEvent, TAbiEvents, TStrict, TFromBlock, TToBlock>>	-
getProof	(args: GetProofParameters) => Promise\<GetProofReturnType>	-
getStorageAt	(args: GetStorageAtParameters) => Promise\<GetStorageAtReturnType>	-
getTransaction	\<TBlockTag>(args: GetTransactionParameters\<TBlockTag>) => Promise\<{ accessList?: undefined ; blobVersionedHashes?: undefined ; blockHash: TBlockTag extends "pending" ? true : false extends true ? null : `0x${string}` ; blockNumber: TBlockTag extends "pending" ? true : false extends true ? null : bigint ; chainId?: number ; from: `0x${string}` ; gas: bigint ; gasPrice: bigint ; hash: `0x${string}` ; input: `0x${string}` ; maxFeePerBlobGas?: undefined ; maxFeePerGas?: undefined ; maxPriorityFeePerGas?: undefined ; nonce: number ; r: `0x${string}` ; s: `0x${string}` ; to: null | `0x${string}` ; transactionIndex: TBlockTag extends "pending" ? true : false extends true ? null : number ; type: "legacy" ; typeHex: null | `0x${string}` ; v: bigint ; value: bigint ; yParity?: undefined } | { accessList: AccessList ; blobVersionedHashes?: undefined ; blockHash: TBlockTag extends "pending" ? true : false extends true ? null : `0x${string}` ; blockNumber: TBlockTag extends "pending" ? true : false extends true ? null : bigint ; chainId: number ; from: `0x${string}` ; gas: bigint ; gasPrice: bigint ; hash: `0x${string}` ; input: `0x${string}` ; maxFeePerBlobGas?: undefined ; maxFeePerGas?: undefined ; maxPriorityFeePerGas?: undefined ; nonce: number ; r: `0x${string}` ; s: `0x${string}` ; to: null | `0x${string}` ; transactionIndex: TBlockTag extends "pending" ? true : false extends true ? null : number ; type: "eip2930" ; typeHex: null | `0x${string}` ; v: bigint ; value: bigint ; yParity: number } | { accessList: AccessList ; blobVersionedHashes?: undefined ; blockHash: TBlockTag extends "pending" ? true : false extends true ? null : `0x${string}` ; blockNumber: TBlockTag extends "pending" ? true : false extends true ? null : bigint ; chainId: number ; from: `0x${string}` ; gas: bigint ; gasPrice?: undefined ; hash: `0x${string}` ; input: `0x${string}` ; maxFeePerBlobGas?: undefined ; maxFeePerGas: bigint ; maxPriorityFeePerGas: bigint ; nonce: number ; r: `0x${string}` ; s: `0x${string}` ; to: null | `0x${string}` ; transactionIndex: TBlockTag extends "pending" ? true : false extends true ? null : number ; type: "eip1559" ; typeHex: null | `0x${string}` ; v: bigint ; value: bigint ; yParity: number } | { accessList: AccessList ; blobVersionedHashes: `0x${string}`[] ; blockHash: TBlockTag extends "pending" ? true : false extends true ? null : `0x${string}` ; blockNumber: TBlockTag extends "pending" ? true : false extends true ? null : bigint ; chainId: number ; from: `0x${string}` ; gas: bigint ; gasPrice?: undefined ; hash: `0x${string}` ; input: `0x${string}` ; maxFeePerBlobGas: bigint ; maxFeePerGas: bigint ; maxPriorityFeePerGas: bigint ; nonce: number ; r: `0x${string}` ; s: `0x${string}` ; to: null | `0x${string}` ; transactionIndex: TBlockTag extends "pending" ? true : false extends true ? null : number ; type: "eip4844" ; typeHex: null | `0x${string}` ; v: bigint ; value: bigint ; yParity: number }>	-
getTransactionConfirmations	(args: GetTransactionConfirmationsParameters\<undefined | Chain>) => Promise\<bigint>	-
getTransactionCount	(args: GetTransactionCountParameters) => Promise\<number>	-
getTransactionReceipt	(args: GetTransactionReceiptParameters) => Promise\<TransactionReceipt>	-
key	string	A key for the client.
multicall	\<contracts, allowFailure>(args: MulticallParameters\<contracts, allowFailure>) => Promise\<MulticallReturnType\<contracts, allowFailure>>	-
name	string	A name for the client.
pollingInterval	number	Frequency (in ms) for polling enabled actions & events. Defaults to 4_000 milliseconds.
prepareTransactionRequest	\<TRequest, TChainOverride, TAccountOverride>(args: PrepareTransactionRequestParameters\<undefined | Chain, undefined | Account, TChainOverride, TAccountOverride, TRequest>) => Promise\<{ [K in string | number | symbol]: (UnionRequiredBy\<Extract\<UnionOmit\<(...), (...)> & ((...) extends (...) ? (...) : (...)) & ((...) extends (...) ? (...) : (...)), IsNever\<(...)> extends true ? unknown : ExactPartial\<(...)>> & Object, ParameterTypeToParameters\<TRequest["parameters"] extends readonly PrepareTransactionRequestParameterType[] ? any[any][number] : "type" | "gas" | "nonce" | "blobVersionedHashes" | "chainId" | "fees">> & (unknown extends TRequest["kzg"] ? Object : Pick\<TRequest, "kzg">))[K] }>	-
readContract	\<abi, functionName, args>(args: ReadContractParameters\<abi, functionName, args>) => Promise\<ReadContractReturnType\<abi, functionName, args>>	-
request	EIP1193RequestFn\<PublicRpcSchema>	Request function wrapped with friendly error handling
sendRawTransaction	(args: SendRawTransactionParameters) => Promise\<`0x${string}`>	-
simulateContract	\<abi, functionName, args, chainOverride, accountOverride>(args: SimulateContractParameters\<abi, functionName, args, undefined | Chain, chainOverride, accountOverride>) => Promise\<SimulateContractReturnType\<abi, functionName, args, undefined | Chain, undefined | Account, chainOverride, accountOverride>>	-
transport	TransportConfig\<string, EIP1193RequestFn> & Record\<string, any>	The RPC transport
type	string	The type of client.
uid	string	A unique ID for the client.
uninstallFilter	(args: UninstallFilterParameters) => Promise\<boolean>	-
verifyMessage	(args: VerifyMessageParameters) => Promise\<boolean>	-
verifyTypedData	(args: VerifyTypedDataParameters) => Promise\<boolean>	-
waitForTransactionReceipt	(args: WaitForTransactionReceiptParameters\<undefined | Chain>) => Promise\<TransactionReceipt>	-
watchBlockNumber	(args: WatchBlockNumberParameters) => WatchBlockNumberReturnType	-
watchBlocks	\<TIncludeTransactions, TBlockTag>(args: WatchBlocksParameters\<Transport, undefined | Chain, TIncludeTransactions, TBlockTag>) => WatchBlocksReturnType	-
watchContractEvent	\<TAbi, TEventName, TStrict>(args: WatchContractEventParameters\<TAbi, TEventName, TStrict, Transport>) => WatchContractEventReturnType	-
watchEvent	\<TAbiEvent, TAbiEvents, TStrict>(args: WatchEventParameters\<TAbiEvent, TAbiEvents, TStrict, Transport>) => WatchEventReturnType	-
watchPendingTransactions	(args: WatchPendingTransactionsParameters\<Transport>) => WatchPendingTransactionsReturnType	-

Inherited from

Instantiable.publicClient

Defined in

src/Instantiable.abstract.ts:97

---

walletClient

• get walletClient(): Object

Returns

Object

Name	Type	Description
account	undefined | Account	The Account of the Client.
addChain	(args: AddChainParameters) => Promise\<void>	-
batch?	{ multicall?: boolean | { batchSize?: number ; wait?: number } }	Flags for batch settings.
batch.multicall?	boolean | { batchSize?: number ; wait?: number }	Toggle to enable eth_call multicall aggregation.
cacheTime	number	Time (in ms) that cached data will remain in memory.
ccipRead?	false | { request?: (parameters: CcipRequestParameters) => Promise\<`0x${string}`> }	CCIP Read configuration.
chain	undefined | Chain	Chain for the client.
deployContract	\<abi, chainOverride>(args: DeployContractParameters\<abi, undefined | Chain, undefined | Account, chainOverride>) => Promise\<`0x${string}`>	-
extend	\<client>(fn: (client: Client\<Transport, undefined | Chain, undefined | Account, WalletRpcSchema, WalletActions\<undefined | Chain, undefined | Account>>) => client) => Client\<Transport, undefined | Chain, undefined | Account, WalletRpcSchema, { [K in string | number | symbol]: client[K] } & WalletActions\<undefined | Chain, undefined | Account>>	-
getAddresses	() => Promise\<GetAddressesReturnType>	-
getChainId	() => Promise\<number>	-
getPermissions	() => Promise\<GetPermissionsReturnType>	-
key	string	A key for the client.
name	string	A name for the client.
pollingInterval	number	Frequency (in ms) for polling enabled actions & events. Defaults to 4_000 milliseconds.
prepareTransactionRequest	\<TRequest, TChainOverride, TAccountOverride>(args: PrepareTransactionRequestParameters\<undefined | Chain, undefined | Account, TChainOverride, TAccountOverride, TRequest>) => Promise\<{ [K in string | number | symbol]: (UnionRequiredBy\<Extract\<UnionOmit\<(...), (...)> & ((...) extends (...) ? (...) : (...)) & ((...) extends (...) ? (...) : (...)), IsNever\<(...)> extends true ? unknown : ExactPartial\<(...)>> & Object, ParameterTypeToParameters\<TRequest["parameters"] extends readonly PrepareTransactionRequestParameterType[] ? any[any][number] : "type" | "gas" | "nonce" | "blobVersionedHashes" | "chainId" | "fees">> & (unknown extends TRequest["kzg"] ? Object : Pick\<TRequest, "kzg">))[K] }>	-
request	EIP1193RequestFn\<WalletRpcSchema>	Request function wrapped with friendly error handling
requestAddresses	() => Promise\<RequestAddressesReturnType>	-
requestPermissions	(args: { eth_accounts: Record\<string, any> }) => Promise\<RequestPermissionsReturnType>	-
sendRawTransaction	(args: SendRawTransactionParameters) => Promise\<`0x${string}`>	-
sendTransaction	\<TRequest, TChainOverride>(args: SendTransactionParameters\<undefined | Chain, undefined | Account, TChainOverride, TRequest>) => Promise\<`0x${string}`>	-
signMessage	(args: SignMessageParameters\<undefined | Account>) => Promise\<`0x${string}`>	-
signTransaction	\<TChainOverride>(args: SignTransactionParameters\<undefined | Chain, undefined | Account, TChainOverride>) => Promise\<`0x02${string}` | `0x01${string}` | `0x03${string}` | TransactionSerializedLegacy>	-
signTypedData	\<TTypedData, TPrimaryType>(args: SignTypedDataParameters\<TTypedData, TPrimaryType, undefined | Account>) => Promise\<`0x${string}`>	-
switchChain	(args: SwitchChainParameters) => Promise\<void>	-
transport	TransportConfig\<string, EIP1193RequestFn> & Record\<string, any>	The RPC transport
type	string	The type of client.
uid	string	A unique ID for the client.
watchAsset	(args: WatchAssetParams) => Promise\<boolean>	-
writeContract	\<abi, functionName, args, TChainOverride>(args: WriteContractParameters\<abi, functionName, args, undefined | Chain, undefined | Account, TChainOverride>) => Promise\<`0x${string}`>	-

Inherited from

Instantiable.walletClient

Defined in

src/Instantiable.abstract.ts:105

Methods

checkExists

▸ checkExists(address): Promise\<boolean>

Returns true of contract exists else it throws.

Parameters

Name	Type
address	string

Returns

Promise\<boolean>

true if the contract exists.

Defined in

src/nevermined/utils/BlockchainViemUtils.ts:131

---

deployAbi

▸ deployAbi(artifact, from, args?): Promise\<{ abi: Abi ; address: `0x${string}` ; createEventFilter: {} ; estimateGas: {} & {} ; getEvents: {} ; read: {} ; simulate: {} ; watchEvent: {} ; write: {} }>

Given an artifact, it deploys the contract and returns the contract instance.

Parameters

Name	Type	Default value	Description
artifact	Object	undefined	the contract artifact
artifact.abi	Abi	undefined	-
artifact.bytecode	`0x${string}`	undefined	-
artifact.name?	string	undefined	-
from	NvmAccount	undefined	the deployer account
args	string[]	[]	parameters to be passed to the contract during the initialization

Returns

Promise\<{ abi: Abi ; address: `0x${string}` ; createEventFilter: {} ; estimateGas: {} & {} ; getEvents: {} ; read: {} ; simulate: {} ; watchEvent: {} ; write: {} }>

a contract instance

Defined in

src/nevermined/utils/BlockchainViemUtils.ts:72

---

getTransactionReceipt

▸ getTransactionReceipt(txHash, iteration?): any

Given a transaction hash, it returns the transaction receipt. If this function is called before the transaction is mined, it will iterate a few times in order to wait for the transaction to be mined.

Parameters

Name	Type	Default value	Description
txHash	`0x${string}`	undefined	the transaction hash
iteration	number	1	the iteration number

Returns

any

the transaction receipt

Defined in

src/nevermined/utils/BlockchainViemUtils.ts:103

---

loadContract

▸ loadContract(contractAddress, abi): Promise\<{ abi: Abi ; address: `0x${string}` ; createEventFilter: {} ; estimateGas: {} & {} ; getEvents: {} ; read: {} ; simulate: {} ; watchEvent: {} ; write: {} }>

Given an already deployed contract address and the ABI, it returns the contract instance.

Parameters

Name	Type	Description
contractAddress	string	the contract address
abi	Abi	the contract artifact

Returns

Promise\<{ abi: Abi ; address: `0x${string}` ; createEventFilter: {} ; estimateGas: {} & {} ; getEvents: {} ; read: {} ; simulate: {} ; watchEvent: {} ; write: {} }>

a contract instance

Defined in

src/nevermined/utils/BlockchainViemUtils.ts:86

---

setInstanceConfig

▸ setInstanceConfig(config): void

Parameters

Name	Type
config	InstantiableConfig

Returns

void

Inherited from

Instantiable.setInstanceConfig

Defined in

src/Instantiable.abstract.ts:163

---

getInstance

▸ getInstance(..._args): any

Parameters

Name	Type
..._args	any

Returns

any

Inherited from

Instantiable.getInstance

Defined in

src/Instantiable.abstract.ts:150

---

setInstanceConfig

▸ setInstanceConfig\<T>(instance, instantiableConfig): void

Type parameters

Name	Type
T	extends Instantiable

Parameters

Name	Type
instance	T
instantiableConfig	InstantiableConfig

Returns

void

Inherited from

Instantiable.setInstanceConfig

Defined in

src/Instantiable.abstract.ts:154