Class DlnEvmOnChainTrade

Abstract class for all instant trade providers' trades.

Hierarchy

AggregatorEvmOnChainTrade
- DlnEvmOnChainTrade

Index

Constructors

constructor

new DlnEvmOnChainTrade(tradeStruct: DlnTradeStruct<"ETH" | "BSC" | "POLYGON" | "AVALANCHE" | "ARBITRUM" | "OPTIMISM" | "LINEA" | "BASE">, providerAddress: string): DlnEvmOnChainTrade
Parameters
- tradeStruct: DlnTradeStruct<"ETH" | "BSC" | "POLYGON" | "AVALANCHE" | "ARBITRUM" | "OPTIMISM" | "LINEA" | "BASE">
- providerAddress: string
Returns DlnEvmOnChainTrade
Overrides AggregatorEvmOnChainTrade.constructor
- Defined in src/features/on-chain/calculation-manager/providers/aggregators/dln/chains/dln-evm-on-chain-trade.ts:80

Properties

`Readonly` feeInfo

feeInfo: FeeInfo

`Readonly` from

from: PriceTokenAmount<EvmBlockchainName>

Token to sell with input amount.

`Readonly` gasFeeInfo

gasFeeInfo: null | GasFeeInfo

Gas fee info, including gas limit and gas price.

`Readonly` path

path: readonly Token<BlockchainName>[]

`Readonly` permit2ApproveConfig

permit2ApproveConfig: Permit2ApproveConfig = ...

Filled if approve goes through permit2 contract

`Readonly` providerGateway

providerGateway: string

`Readonly` slippageTolerance

slippageTolerance: number

`Readonly` to

to: PriceTokenAmount<EvmBlockchainName>

Token to get with output amount.

`Readonly` type

`Readonly` useProxy

useProxy: boolean

True, if trade must be swapped through on-chain proxy contract.

Accessors

apiFromAddress

set apiFromAddress(value: null | string): void
Parameters
- value: null | string
Returns void
Inherited from AggregatorEvmOnChainTrade.apiFromAddress
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/on-chain-trade.ts:49

dexContractAddress

get dexContractAddress(): string
Returns string
Overrides AggregatorEvmOnChainTrade.dexContractAddress
- Defined in src/features/on-chain/calculation-manager/providers/aggregators/dln/chains/dln-evm-on-chain-trade.ts:72

priceImpact

get priceImpact(): null | number
Price impact, based on tokens' usd prices.

Returns null | number
Inherited from AggregatorEvmOnChainTrade.priceImpact
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/on-chain-trade.ts:85

toTokenAmountMin

get toTokenAmountMin(): PriceTokenAmount<BlockchainName>
Minimum amount of output token user can get.

Returns PriceTokenAmount<BlockchainName>
Overrides AggregatorEvmOnChainTrade.toTokenAmountMin
- Defined in src/features/on-chain/calculation-manager/providers/aggregators/dln/chains/dln-evm-on-chain-trade.ts:76

Methods

approve

approve(options: EvmBasicTransactionOptions, checkNeedApprove?: boolean, amount?: BigNumber | "infinity"): Promise<TransactionReceipt>
Sends approve transaction with connected wallet.
Parameters
- options: EvmBasicTransactionOptions
  
  Transaction options.
- checkNeedApprove: boolean = true
  
  If true, first allowance is checked.
- amount: BigNumber | "infinity" = 'infinity'
  
  Amount of tokens in approval window in spending cap field
Returns Promise<TransactionReceipt>
Inherited from AggregatorEvmOnChainTrade.approve
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/evm-on-chain-trade/evm-on-chain-trade.ts:153

encode

encode(options: EncodeTransactionOptions): Promise<EvmEncodeConfig>
Builds transaction config, with encoded data.
Parameters
- options: EncodeTransactionOptions
  
  Encode transaction options.
Returns Promise<EvmEncodeConfig>
Overrides AggregatorEvmOnChainTrade.encode
- Defined in src/features/on-chain/calculation-manager/providers/aggregators/dln/chains/dln-evm-on-chain-trade.ts:120

encodeApprove

encodeApprove(tokenAddress: string, spenderAddress: string, value: BigNumber | "infinity", options?: EvmTransactionOptions): Promise<TransactionConfig>
Builds encoded approve transaction config.

Returns
Encoded approve transaction config.
Parameters
- tokenAddress: string
  
  Address of the smart-contract corresponding to the token.
- spenderAddress: string
  
  Wallet or contract address to approve.
- value: BigNumber | "infinity"
  
  Token amount to approve in wei.
- options: EvmTransactionOptions = {}
  
  Additional options.
Returns Promise<TransactionConfig>
Inherited from AggregatorEvmOnChainTrade.encodeApprove
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/evm-on-chain-trade/evm-on-chain-trade.ts:187

encodeDirect

encodeDirect(options: EncodeTransactionOptions): Promise<EvmEncodeConfig>
Encodes trade to swap it directly through dex contract.
Parameters
- options: EncodeTransactionOptions
  
  Encode options.
Returns Promise<EvmEncodeConfig>
Inherited from AggregatorEvmOnChainTrade.encodeDirect
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/evm-on-chain-trade/evm-on-chain-trade.ts:394

getData

getData(fromAddress: string, options?: SwapTransactionOptions): Promise<EvmTransactionOptions>
Parameters
- fromAddress: string
- options: SwapTransactionOptions = {}
Returns Promise<EvmTransactionOptions>
Inherited from AggregatorEvmOnChainTrade.getData
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/evm-on-chain-trade/evm-on-chain-trade.ts:278

getTradeInfo

getTradeInfo(): TradeInfo
Returns TradeInfo
Inherited from AggregatorEvmOnChainTrade.getTradeInfo
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/on-chain-trade.ts:246

getTxConfigAndCheckAmount

getTxConfigAndCheckAmount(options: EncodeTransactionOptions): Promise<EvmEncodeConfig>
Parameters
- options: EncodeTransactionOptions
Returns Promise<EvmEncodeConfig>
Inherited from AggregatorEvmOnChainTrade.getTxConfigAndCheckAmount
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-aggregator/aggregator-evm-on-chain-trade-abstract.ts:9

needApprove

needApprove(fromAddress?: string): Promise<boolean>
Returns true, if allowance is not enough.
Parameters
- Optional fromAddress: string
Returns Promise<boolean>
Inherited from AggregatorEvmOnChainTrade.needApprove
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/on-chain-trade.ts:95

swap

swap(options?: SwapTransactionOptions): Promise<string>
Sends swap transaction with connected wallet. If user has not enough allowance, then approve transaction will be called first.

Example
```
const onConfirm = (hash: string) => console.log(hash);
const receipt = await trades[TRADE_TYPE.UNISWAP_V2].swap({ onConfirm });
```
Parameters
- options: SwapTransactionOptions = {}
  
  Transaction options.
Returns Promise<string>
Inherited from AggregatorEvmOnChainTrade.swap
- Defined in src/features/on-chain/calculation-manager/providers/common/on-chain-trade/evm-on-chain-trade/evm-on-chain-trade.ts:240

`Static` getGasLimit

getGasLimit(tradeStruct: DlnTradeStruct<"ETH" | "BSC" | "POLYGON" | "AVALANCHE" | "ARBITRUM" | "OPTIMISM" | "LINEA" | "BASE">): Promise<null | BigNumber>
Parameters
- tradeStruct: DlnTradeStruct<"ETH" | "BSC" | "POLYGON" | "AVALANCHE" | "ARBITRUM" | "OPTIMISM" | "LINEA" | "BASE">
Returns Promise<null | BigNumber>
- Defined in src/features/on-chain/calculation-manager/providers/aggregators/dln/chains/dln-evm-on-chain-trade.ts:27

Class DlnEvmOnChainTrade

Hierarchy

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Parameters

tradeStruct: DlnTradeStruct<"ETH" | "BSC" | "POLYGON" | "AVALANCHE" | "ARBITRUM" | "OPTIMISM" | "LINEA" | "BASE">

providerAddress: string

Returns DlnEvmOnChainTrade

Properties

Readonly feeInfo

Readonly from

Readonly gasFeeInfo

Readonly path

Readonly permit2ApproveConfig

Readonly providerGateway

Readonly slippageTolerance

Readonly to

Readonly type

Readonly useProxy

Accessors

apiFromAddress

Parameters

value: null | string

Returns void

dexContractAddress

Returns string

priceImpact

Returns null | number

toTokenAmountMin

Returns PriceTokenAmount<BlockchainName>

Methods

approve

Parameters

options: EvmBasicTransactionOptions

checkNeedApprove: boolean = true

amount: BigNumber | "infinity" = 'infinity'

Returns Promise<TransactionReceipt>

encode

Parameters

options: EncodeTransactionOptions

Returns Promise<EvmEncodeConfig>

encodeApprove

Returns

Parameters

tokenAddress: string

spenderAddress: string

value: BigNumber | "infinity"

options: EvmTransactionOptions = {}

Returns Promise<TransactionConfig>

encodeDirect

Parameters

options: EncodeTransactionOptions

Returns Promise<EvmEncodeConfig>

getData

Parameters

fromAddress: string

options: SwapTransactionOptions = {}

Returns Promise<EvmTransactionOptions>

getTradeInfo

Returns TradeInfo

getTxConfigAndCheckAmount

Parameters

options: EncodeTransactionOptions

Returns Promise<EvmEncodeConfig>

needApprove

Parameters

Optional fromAddress: string

Returns Promise<boolean>

swap

Example

Parameters

options: SwapTransactionOptions = {}

Returns Promise<string>

Static getGasLimit

Parameters

`Readonly` feeInfo

`Readonly` from

`Readonly` gasFeeInfo

`Readonly` path

`Readonly` permit2ApproveConfig

`Readonly` providerGateway

`Readonly` slippageTolerance

`Readonly` to

`Readonly` type

`Readonly` useProxy

`Optional` fromAddress: string

`Static` getGasLimit