EthUtils class

These utilities are used extensively within the library, but are also quite useful for application developers.

Annotations

• @JS("utils")

Constructors

EthUtils()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

defaultAbiCoder → AbiCoder

An AbiCoder created when the library is imported which is used by the Interface.

no setter

Static Methods

arrayify(String hash) → String

commify(String value) → String

Returns a string with value grouped by 3 digits, separated by ,.

formatEther(String value) → String

The equivalent to calling formatUnits(value, "ether").

formatUnits(String value, [dynamic unit = 'ether']) → String

Returns a String representation of value formatted with unit digits (if it is a number) or to the unit specified (if a string).

getAddress(String address) → String

Returns address as a Checksum Address.

hashMessage(dynamic message) → String

Computes the EIP-191 personal message digest of message.

id(String text) → String

The Ethereum Identity function computes the KECCAK256 hash of the text bytes.

isAddress(String address) → bool

Returns true if address is valid (in any supported format).

parseEther(String value) → BigNumber

The equivalent to calling parseUnits(value, "ether").

parseUnit(String value, [dynamic unit = 'ether']) → BigNumber

Returns a BigNumber representation of value, parsed with unit digits (if it is a number) or from the unit specified (if a string).

solidityKeccak256(List<String> types, List values) → String

Returns the KECCAK256 of the non-standard encoded values packed according to their respective type in types.

solidityPack(List<String> types, List values) → String

Returns the non-standard encoded values packed according to their respective type in types.

soliditySha256(List<String> types, List values) → String

Returns the SHA2-256 of the non-standard encoded values packed according to their respective type in types.

verifyMessage(String message, String signature) → String

Returns the address that signed message producing signature.