Class: Erc20Approval

moralis-monorepo / @moralisweb3/common-evm-utils / Erc20Approval

Class: Erc20Approval

@moralisweb3/common-evm-utils.Erc20Approval

The Erc20Approval is a representation of an Erc20 token approval.

Implements

• MoralisDataObject

Table of contents

Methods

• create
• equals
• parse
• equals
• format
• toJSON

Accessors

• blockHash
• blockNumber
• blockTimestamp
• chain
• contractAddress
• fromWallet
• logIndex
• possibleSpam
• result
• toWallet
• tokenDecimals
• tokenLogo
• tokenName
• tokenSymbol
• transactionHash
• transactionIndex
• value

Constructors

• constructor

Methods

create

▸ Static create(data): Erc20Approval

Create a new instance of Erc20Approval from any valid input

Example

const approval = Erc20Approval.create(data);

Parameters

Name	Type	Description
data	Erc20ApprovalInput | Erc20Approval	Erc20Approval instance or valid Erc20ApprovalInput

Returns

Erc20Approval

---

equals

▸ Static equals(dataA, dataB): boolean

Check the equality between two Erc20 approvals

Example

Erc20Approval.equals(dataA, dataB)

Parameters

Name	Type	Description
dataA	Erc20ApprovalInput | Erc20Approval	The first approval to compare
dataB	Erc20ApprovalInput | Erc20Approval	The second approval to compare

Returns

boolean

true if the approvals are equal, false otherwise

---

parse

▸ Static parse(data): Erc20ApprovalData

Parameters

Name	Type
data	Erc20ApprovalInput

Returns

Erc20ApprovalData

---

equals

▸ equals(data): boolean

Checks the equality of the current approval with another erc20 approval

Example

approval.equals(data)

Parameters

Name	Type	Description
data	Erc20ApprovalInput | Erc20Approval	the approval to compare with

Returns

boolean

true if the approvals are equal, false otherwise

Implementation of

MoralisDataObject.equals

---

format

▸ format(): Object

Deprecated

This method will be removed soon. To format the value, use one of the properties.

Returns

Object

Name	Type
blockHash	string
blockNumber	string
blockTimestamp	Date
chain	string
contractAddress	string
fromWallet	string
logIndex	number
possibleSpam	boolean
toWallet	string
tokenDecimals	number
tokenLogo?	string
tokenName	string
tokenSymbol	string
transactionHash	string
transactionIndex	number
value	string

Implementation of

MoralisDataObject.format

---

toJSON

▸ toJSON(): Object

Example

approval.toJSON()

Returns

Object

a JSON representation of the approval.

Name	Type
blockHash	string
blockNumber	string
blockTimestamp	Date
chain	string
contractAddress	string
fromWallet	string
logIndex	number
possibleSpam	boolean
toWallet	string
tokenDecimals	number
tokenLogo?	string
tokenName	string
tokenSymbol	string
transactionHash	string
transactionIndex	number
value	string

Implementation of

MoralisDataObject.toJSON

Accessors

blockHash

• get blockHash(): string

Example

approval.blockHash // "0x0372c302e3c52e8f2e15d155e2c545e6d802e479236564af052759253b20fd86"

Returns

string

the block hash of the approval

---

blockNumber

• get blockNumber(): BigNumber

Example

approval.blockNumber // BigNumber

Returns

BigNumber

the block number of the approval

---

blockTimestamp

• get blockTimestamp(): Date

Example

approval.blockTimestamp // Date

Returns

Date

the block timestamp of the approval

---

chain

• get chain(): EvmChain

Example

approval.chain // EvmChain

Returns

EvmChain

the chain of the approval

---

contractAddress

• get contractAddress(): EvmAddress

Example

approval.contractAddress // EvmAddress

Returns

EvmAddress

the contractAddress of the approval

---

fromWallet

• get fromWallet(): EvmAddress

Example

approval.fromWallet // EvmAddress

Returns

EvmAddress

the fromWallet of the approval

---

logIndex

• get logIndex(): number

Example

approval.logIndex // 2

Returns

number

the logIndex of the approval

---

possibleSpam

• get possibleSpam(): boolean

Example

transfer.possibleSpam // true

Returns

boolean

possibility of the token being a spam token

---

result

• get result(): Erc20ApprovalData

Example

approval.result

Returns

Erc20ApprovalData

all the data without casting it to JSON.

---

toWallet

• get toWallet(): EvmAddress

Example

approval.toWallet // EvmAddress

Returns

EvmAddress

the toWallet of the approval

---

tokenDecimals

• get tokenDecimals(): number

Example

burn.tokenDecimals // 18

Returns

number

The decimals of the token.

---

tokenLogo

• get tokenLogo(): undefined | string

Example

burn.tokenLogo // "https://cdn.moralis.io/eth/0x67b6d479c7bb412c54e03dca8e1bc6740ce6b99c.png"

Returns

undefined | string

The logo of the token

---

tokenName

• get tokenName(): string

Example

burn.tokenName // "Kylin Network"

Returns

string

The name of the token.

---

tokenSymbol

• get tokenSymbol(): string

Example

burn.tokenSymbol // "KYL"

Returns

string

The symbol of the token.

---

transactionHash

• get transactionHash(): string

Example

approval.transactionHash // "0x0372c302e3c52e8f2e15d155e2c545e6d802e479236564af052759253b20fd86"

Returns

string

the transaction hash of the approval

---

transactionIndex

• get transactionIndex(): number

Example

approval.transactionIndex // 3

Returns

number

the transactionIndex of the approval

---

value

• get value(): BigNumber

Example

approval.value // BigNumber

Returns

BigNumber

the value of the approval

Constructors

constructor

• new Erc20Approval(data)

Parameters

Name	Type
data	Erc20ApprovalInput