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Types

Glossary of Types in viem.

Abi

Type matching the Contract ABI Specification

Re-exported from ABIType.

AbiError

ABI Error type.

Re-exported from ABIType.

AbiEvent

ABI Event type.

Re-exported from ABIType.

AbiFunction

ABI Function type.

Re-exported from ABIType.

AbiParameter

inputs and outputs item for ABI functions, events, and errors.

Re-exported from ABIType.

AbiParameterToPrimitiveTypes

Converts AbiParameter to corresponding TypeScript primitive type.

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AbiParametersToPrimitiveTypes

Converts array of AbiParameter to corresponding TypeScript primitive types.

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AccessList

An access list.

Address

An address.

Re-exported from ABIType.

Block

A type for a Block.

See Type

Chain

A type for a Chain.

See Type

CompactSignature

A type for EIP-2098 compact signatures.

See Type

FeeHistory

A type for fee history.

See Type

FeeValues

A type for fee values.

See Type

Filter

A type for a Filter.

See Type

Hash

Type for a hashed value – a "0x"-prefixed string: "0x${string}"

Hex

Type for a hex value – a "0x"-prefixed string: "0x${string}"

Log

A type for Event Logs.

See Type

Signature

A type for a structured signature.

See Type

Transaction

A type for Transactions.

See Type

TransactionReceipt

A type for Transaction Receipts.

See Type

Transport

A type for Transports.

See Type

WalletPermission

A type for wallet (JSON-RPC Account) permissions.

See Type

TransactionSerializedEIP1559

EIP-1559 transaction hex value – a "0x02"-prefixed string: "0x02${string}"

TransactionSerializedEIP2930

EIP-2930 transaction hex value – a "0x01"-prefixed string: "0x01${string}"

TransactionSerializedLegacy

Legacy transaction hex value – a "0x"-prefixed string: "0x${string}"

TransactionType

All types of transactions. "eip1559" | "eip2930" | "eip4844" | "eip7702" | "legacy"

TransactionRequest

A type for all transaction requests.

See Type.

StateOverride

A type defining state overrides for eth_call method. See more