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transactions.ts
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transactions.ts
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import { TransactionReceipt, TransactionResponse } from '@ethersproject/abstract-provider'
import { Currency, CurrencyAmount, Percent, TradeType } from '@uniswap/sdk-core'
import { atom } from 'jotai'
import { atomWithImmer } from 'jotai/immer'
import { WidoTrade } from 'state/routing/types'
export enum TransactionType {
APPROVAL,
SWAP,
WRAP,
UNWRAP,
}
interface BaseTransactionInfo {
type: TransactionType
response: TransactionResponse
}
export interface ApprovalTransactionInfo extends BaseTransactionInfo {
type: TransactionType.APPROVAL
tokenAddress: string
spenderAddress: string
}
export interface SwapTransactionInfo extends BaseTransactionInfo {
type: TransactionType.SWAP
tradeType: TradeType
trade: WidoTrade
slippageTolerance: Percent
}
export interface ExactInputSwapTransactionInfo extends SwapTransactionInfo {
tradeType: TradeType.EXACT_INPUT
}
export interface ExactOutputSwapTransactionInfo extends SwapTransactionInfo {
tradeType: TradeType.EXACT_OUTPUT
}
export interface WrapTransactionInfo extends BaseTransactionInfo {
type: TransactionType.WRAP
amount: CurrencyAmount<Currency>
}
export interface UnwrapTransactionInfo extends BaseTransactionInfo {
type: TransactionType.UNWRAP
amount: CurrencyAmount<Currency>
}
export type TransactionInfo =
| ApprovalTransactionInfo
| SwapTransactionInfo
| WrapTransactionInfo
| UnwrapTransactionInfo
export interface Transaction<T extends TransactionInfo = TransactionInfo> {
addedTime: number
lastCheckedBlockNumber?: number
receipt?: TransactionReceipt
info: T
}
export const transactionsAtom = atomWithImmer<{
[chainId: string]: { [hash: string]: Transaction }
}>({})
export const snBlockNumberAtom = atom<number>(0)