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Introduction

Why viem Getting Started

Clients & Transports

Introduction Public Client Wallet Client Test ClientTransportsHTTP WebSocket Custom (EIP-1193)Fallback Chains

Public Actions

Introduction 🚧AccountgetBalance getTransactionCountBlockgetBlock getBlockNumber getBlockTransactionCount watchBlockNumber watchBlocksChaingetChainIdFeeestimateGas getFeeHistory getGasPrice watchGasPrice 🚧Filters & LogscreateBlockFilter createEventFilter createPendingTransactionFilter getFilterChanges getFilterLogs getLogs watchEvent uninstallFilterTransactioncall getTransaction getTransactionConfirmations getTransactionReceipt sendRawTransaction 🚧waitForTransactionReceipt watchPendingTransactions

Wallet Actions

IntroductionAccountgetAccounts requestAccountsAssetswatchAssetChainaddChain switchChainDatasignMessage signTypedData 🚧PermissionsgetPermissions requestPermissionsTransactionsendTransaction signTransaction 🚧

Test Actions

IntroductionAccountimpersonateAccount setBalance setCode setNonce setStorageAt stopImpersonatingAccountBlockgetAutomine increaseTime mine removeBlockTimestampInterval setAutomine setIntervalMining setBlockTimestampInterval setBlockGasLimit setNextBlockBaseFeePerGas setNextBlockTimestampNodesetCoinbase setMinGasPriceSettingsreset setLoggingEnabled setRpcUrlStaterevert snapshotTransactiondropTransaction getTxpoolContent getTxpoolStatus inspectTxpool sendUnsignedTransaction

Contract

IntroductionActionscreateContractEventFilter deployContract estimateContractGas getBytecode getStorageAt multicall readContract simulateContract writeContract watchContractEventEncodingdecodeAbi decodeDeployData decodeErrorResult decodeEventLog decodeFunctionData decodeFunctionResult encodeAbi encodeDeployData encodeErrorResult encodeEventTopics encodeFunctionData encodeFunctionResult

ENS

ActionsgetEnsAddress getEnsNameUtilitieslabelhash namehash normalize

Utilities

AddressesgetAddress getContractAddress isAddress isAddressEqualDataconcat isBytes isHex pad slice size trimEncodingfromBase58 🚧fromBase64 🚧fromBytes fromHex fromRlp toBase58 🚧toBase64 🚧toBytes toHex toPacked 🚧toRlpHashgetEventSignature getFunctionSignature keccak256UnitsformatEther formatGwei formatUnit parseEther parseGwei parseUnit

Glossary

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setRpcUrl

Sets the backend RPC URL.

Usage

ts

import { testClient } from '.'
 
await testClient.setRpcUrl('https://eth-mainnet.alchemyapi.io/v2')

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