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TransactionsController.ts
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TransactionsController.ts
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import type { Transaction } from '@reown/appkit-common'
import { proxy, subscribe as sub } from 'valtio/vanilla'
import { OptionsController } from './OptionsController.js'
import { EventsController } from './EventsController.js'
import { SnackController } from './SnackController.js'
import type { CaipNetworkId } from '@reown/appkit-common'
import { BlockchainApiController } from './BlockchainApiController.js'
import { AccountController } from './AccountController.js'
import { W3mFrameRpcConstants } from '@reown/appkit-wallet'
import { ChainController } from './ChainController.js'
// -- Types --------------------------------------------- //
type TransactionByMonthMap = Record<number, Transaction[]>
type TransactionByYearMap = Record<number, TransactionByMonthMap>
export interface TransactionsControllerState {
transactions: Transaction[]
coinbaseTransactions: TransactionByYearMap
transactionsByYear: TransactionByYearMap
lastNetworkInView: CaipNetworkId | undefined
loading: boolean
empty: boolean
next: string | undefined
}
// -- State --------------------------------------------- //
const state = proxy<TransactionsControllerState>({
transactions: [],
coinbaseTransactions: {},
transactionsByYear: {},
lastNetworkInView: undefined,
loading: false,
empty: false,
next: undefined
})
// -- Controller ---------------------------------------- //
export const TransactionsController = {
state,
subscribe(callback: (newState: TransactionsControllerState) => void) {
return sub(state, () => callback(state))
},
setLastNetworkInView(lastNetworkInView: TransactionsControllerState['lastNetworkInView']) {
state.lastNetworkInView = lastNetworkInView
},
async fetchTransactions(accountAddress?: string, onramp?: 'coinbase') {
const { projectId } = OptionsController.state
if (!projectId || !accountAddress) {
throw new Error("Transactions can't be fetched without a projectId and an accountAddress")
}
state.loading = true
try {
const response = await BlockchainApiController.fetchTransactions({
account: accountAddress,
projectId,
cursor: state.next,
onramp,
// Coinbase transaction history state updates require the latest data
cache: onramp === 'coinbase' ? 'no-cache' : undefined,
chainId: ChainController.state.activeCaipNetwork?.caipNetworkId
})
const nonSpamTransactions = this.filterSpamTransactions(response.data)
const sameChainTransactions = this.filterByConnectedChain(nonSpamTransactions)
const filteredTransactions = [...state.transactions, ...sameChainTransactions]
state.loading = false
if (onramp === 'coinbase') {
state.coinbaseTransactions = this.groupTransactionsByYearAndMonth(
state.coinbaseTransactions,
response.data
)
} else {
state.transactions = filteredTransactions
state.transactionsByYear = this.groupTransactionsByYearAndMonth(
state.transactionsByYear,
sameChainTransactions
)
}
state.empty = filteredTransactions.length === 0
state.next = response.next ? response.next : undefined
} catch (error) {
EventsController.sendEvent({
type: 'track',
event: 'ERROR_FETCH_TRANSACTIONS',
properties: {
address: accountAddress,
projectId,
cursor: state.next,
isSmartAccount:
AccountController.state.preferredAccountType ===
W3mFrameRpcConstants.ACCOUNT_TYPES.SMART_ACCOUNT
}
})
SnackController.showError('Failed to fetch transactions')
state.loading = false
state.empty = true
state.next = undefined
}
},
groupTransactionsByYearAndMonth(
transactionsMap: TransactionByYearMap = {},
transactions: Transaction[] = []
) {
const grouped = transactionsMap
transactions.forEach(transaction => {
const year = new Date(transaction.metadata.minedAt).getFullYear()
const month = new Date(transaction.metadata.minedAt).getMonth()
const yearTransactions = grouped[year] ?? {}
const monthTransactions = yearTransactions[month] ?? []
// If there's a transaction with the same id, remove the old one
const newMonthTransactions = monthTransactions.filter(tx => tx.id !== transaction.id)
grouped[year] = {
...yearTransactions,
[month]: [...newMonthTransactions, transaction].sort(
(a, b) => new Date(b.metadata.minedAt).getTime() - new Date(a.metadata.minedAt).getTime()
)
}
})
return grouped
},
filterSpamTransactions(transactions: Transaction[]) {
return transactions.filter(transaction => {
const isAllSpam = transaction.transfers.every(
transfer => transfer.nft_info?.flags.is_spam === true
)
return !isAllSpam
})
},
filterByConnectedChain(transactions: Transaction[]) {
const chainId = ChainController.state.activeCaipNetwork?.caipNetworkId
const filteredTransactions = transactions.filter(
transaction => transaction.metadata.chain === chainId
)
return filteredTransactions
},
clearCursor() {
state.next = undefined
},
resetTransactions() {
state.transactions = []
state.transactionsByYear = {}
state.lastNetworkInView = undefined
state.loading = false
state.empty = false
state.next = undefined
}
}