Validator

Validator is a smart contract used to check for failures prior to attempting a swap.
Validator Client
Add the @airswap/protocols package to your application.
$ yarn add @airswap/protocols
Import the Validator client.
import { Validator } from '@airswap/protocols'
constructor
Create a new Validator client.
public constructor(
  chainId = chainIds.RINKEBY,
  walletOrProvider?: ethers.Wallet | ethers.providers.Provider
)
Param
Type
Optionality
Description
chainId
string
optional
Ethereum chain ID of the network to connect to, either 1 or 4.
walletOrProvider
ethers.Wallet or ethers.providers.Provider
optional
Ethers wallet or provider to use for the contract instance
Basic Example
Create a client for the Rinkeby Validator using the default provider.
const validator = new Validator()
Custom Provider Example
Create a client for the Mainnet Validator using an INFURA provider.
import { chainIds } from '@airswap/constants'
const provider = new ethers.providers.InfuraProvider(...)
const validator = new Validator(chainIds.MAINNET, provider);
See a list of available providers on the ethers.js documentation.
getReason
Get a plain language reason for a swap failure.
public static getReason(reason: string): string
Param
Type
Optionality
Description
reason
string
required
The error text emitted by a check* function.
checkSwap
Check swap given an order.
public async checkSwap(order: Order): Promise<Array<string>>
Param
Type
Optionality
Description
order
Order
required
The order that would be swapped.
checkWrappedSwap
Check swap through a Wrapper given an order.
public async checkWrappedSwap(
  order: Order,
  fromAddress: string,
  wrapperAddress: string
): Promise<Array<string>>
Param
Type
Optionality
Description
order
Order
required
Order that would be swapped.
fromAddress
address
required
Wallet address that would send the transaction.
wrapperAddress
address
required
Address of the wrapper contract to use.
checkDelegate
Check swap through a Delegate given an order.
public async checkDelegate(
  order: Order,
  delegateAddress: string
): Promise<Array<string>>
Param
Type
Optionality
Description
order
Order
required
Order that would be swapped.
delegateAddress
address
required
Address of the delegate contract to use.
checkWrappedDelegate
Check swap through a Wrapper and Delegate given an order.
public async checkWrappedDelegate(
  order: Order,
  delegateAddress: string,
  wrapperAddress: string
): Promise<Array<string>>
Param
Type
Optionality
Description
order
Order
required
Order that would be swapped.
delegateAddress
address
required
Address of the delegate contract to use.
wrapperAddress
address
required
Address of the wrapper contract to use.

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Wrapper

Last updated 9 months ago

Param	Type	Optionality	Description
`chainId`	`string`	`optional`	Ethereum chain ID of the network to connect to, either `1` or `4`.
`walletOrProvider`	`ethers.Wallet` or `ethers.providers.Provider`	`optional`	Ethers wallet or provider to use for the contract instance

Param	Type	Optionality	Description
`order`	`Order`	`required`	Order that would be swapped.
`fromAddress`	`address`	`required`	Wallet address that would send the transaction.
`wrapperAddress`	`address`	`required`	Address of the wrapper contract to use.

Param	Type	Optionality	Description
`order`	`Order`	`required`	Order that would be swapped.
`delegateAddress`	`address`	`required`	Address of the delegate contract to use.
`wrapperAddress`	`address`	`required`	Address of the wrapper contract to use.

Validator

Validator Client

`constructor`

Basic Example

Custom Provider Example

`getReason`

`checkSwap`

`checkWrappedSwap`

`checkDelegate`

`checkWrappedDelegate`