read tx history from db cache instead of alchemy api

apps/desktop/src/bun/index.ts

@@ -14,6 +14,7 @@ import { tryCatch } from '@koins/utils'
 import {
 	getTransactionHistory,
 	getTransactionDetails,
+	getCachedTransactionHistory,
 } from './lib/transactions'
 import { migrate } from 'drizzle-orm/bun-sqlite/migrator'
 import { eq } from 'drizzle-orm'
@@ -177,6 +178,13 @@ type RPC = {
 				}
 				response: TxEntry[]
 			}
+			fetchCachedTxHistory: {
+				params: {
+					address: string
+					chainid: string
+				}
+				response: TxEntry[]
+			}
 			fetchTokenBalances: {
 				params: {
 					address: string
@@ -561,6 +569,10 @@ const rpc = BrowserView.defineRPC<RPC>({
 
 				return combined
 			},
+			fetchCachedTxHistory: async ({ address, chainid }) => {
+				const transfers = getCachedTransactionHistory(chainid, address)
+				return transfers.map(mapTransfer)
+			},
 			fetchTokenBalances: async ({ address, chainid }) => {
 				const key = await Bun.secrets.get({
 					service: 'koins',

apps/desktop/src/bun/lib/transactions/get-history.ts

@@ -64,6 +64,29 @@ export const getTransactionHistory = async (
 	return rows.map(toTransfer)
 }
 
+export const getCachedTransactionHistory = (
+	chainid: string,
+	address: string,
+) => {
+	const addrLower = address.toLowerCase()
+	const rows = db
+		.select()
+		.from(txHistory)
+		.where(
+			and(
+				eq(txHistory.chainId, chainid),
+				or(
+					eq(txHistory.from, addrLower),
+					eq(txHistory.to, addrLower),
+				),
+			),
+		)
+		.orderBy(desc(txHistory.blockNum))
+		.all()
+
+	return rows.map(toTransfer)
+}
+
 function toTransfer(row: typeof txHistory.$inferSelect): Transaction {
 	if (row.raw) {
 		return JSON.parse(row.raw) as Transaction

apps/desktop/src/bun/lib/transactions/index.ts

@@ -1,2 +1,2 @@
-export { getTransactionHistory } from './get-history'
+export { getTransactionHistory, getCachedTransactionHistory } from './get-history'
 export { getTransactionDetails } from './get-details'

apps/desktop/src/lib/electrobun.ts

@@ -134,6 +134,13 @@ type RPC = {
 				}
 				response: TxEntry[]
 			}
+			fetchCachedTxHistory: {
+				params: {
+					address: string
+					chainid: string
+				}
+				response: TxEntry[]
+			}
 			fetchTokenBalances: {
 				params: {
 					address: string

apps/desktop/src/lib/states/evm-wallet.svelte.ts

@@ -313,11 +313,11 @@ export const EvmWallet = () => {
 	}
 
 	const fetchTxHistory = async () => {
-		if (!address || !apiKey) {
+		if (!address) {
 			transactions = []
 			return
 		}
-		const txs = await electrobun.rpc?.request.fetchTxHistory({
+		const txs = await electrobun.rpc?.request.fetchCachedTxHistory({
 			address, chainid: net().chainid,
 		})
 		transactions = txs ?? []