# Funding

### type FundingBuilder

```go
type FundingBuilder struct {
	AccountId         AccountId
	SubAccountId      SubAccountId
	SubAccountNonce   Nonce
	FundingAccountIds []AccountId
	Fee               BigUint
	FeeToken          TokenId
}
```

Builder that used to build the [Funding](#type-funding) transaction.

### type Funding

[Funding](https://docs.zk.link/developer/api-and-sdk/transaction/funding) transaction type, it's a opaque data type.

#### func NewFunding(builder FundingBuilder)

```go
func NewFunding(builder FundingBuilder) *Funding
```

Create a new [Funding](#type-funding) transaction.

#### func (\*Funding) GetBytes

```go
func (*Funding) GetBytes() []uint8
```

Get the encoded bytes to create the L3 signature. See more in [Private Key and Signature](https://docs.zk.link/developer/api-and-sdk/private_key/funding)

#### func (\*Funding) TxHash

```go
func (*Funding) TxHash() []uint8
```

Get the transaction hash of the transaction.

#### func (\*Funding) JsonStr

```go
func (*Funding) JsonStr() string
```

Get the json string of the transaction.

#### func (\*Funding) IsValid

```go
func (*Funding) IsValid() bool
```

Check if the transaction is valid or not.

#### func (\*Funding) CreateSignedTx

```go
func (*Funding) CreateSignedTx(signer *ZkLinkSigner) (*Funding, error)
```

Create a new AutoDeleveraging transaction with L3 signature inside. **input:**

* signer: [ZkLinkSigner](https://docs.zk.link/developer/sdk/signer#type-zklinksigner)

#### func (\*Funding) GetSignature

```go
func (*Funding) GetSignature() ZkLinkSignature
```

Get L3 signature of the transaction.

#### func (\*Funding) IsSignatureValid

```go
func (*Funding) IsSignatureValid() bool
```

Check if the inside L3 signature is valid or not.

#### func (\*Funding) ToZklinkTx

```go
func (*Funding) ToZklinkTx() ZkLinkTx
```

Change the transaction to the [ZkLinkTx](https://docs.zk.link/developer/sdk/basic_types#zklinktx)