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feat: add alchemy price source (#632)
* feat: add alchemy price source * refactor: reuse alchemy networks
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108 changes: 108 additions & 0 deletions
108
src/services/prices/price-sources/alchemy-price-source.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| import { ChainId, TimeString, Timestamp, TokenAddress } from '@types'; | ||
| import { IFetchService } from '@services/fetch/types'; | ||
| import { PriceResult, IPriceSource, PricesQueriesSupport, TokenPrice, PriceInput } from '../types'; | ||
| import { Chains, getChainByKeyOrFail } from '@chains'; | ||
| import { reduceTimeout, timeoutPromise } from '@shared/timeouts'; | ||
| import { filterRejectedResults, groupByChain, isSameAddress, splitInChunks } from '@shared/utils'; | ||
| import { Addresses } from '@shared/constants'; | ||
| import { ALCHEMY_NETWORKS } from '@shared/alchemy'; | ||
| export class AlchemyPriceSource implements IPriceSource { | ||
| constructor(private readonly fetch: IFetchService, private readonly apiKey: string) { | ||
| if (!this.apiKey) throw new Error('API key is required'); | ||
| } | ||
|
|
||
| supportedQueries() { | ||
| const support: PricesQueriesSupport = { | ||
| getCurrentPrices: true, | ||
| getHistoricalPrices: false, | ||
| getBulkHistoricalPrices: false, | ||
| getChart: false, | ||
| }; | ||
| const entries = Object.entries(ALCHEMY_NETWORKS).map(([chainId]) => [chainId, support]); | ||
| return Object.fromEntries(entries); | ||
| } | ||
|
|
||
| async getCurrentPrices({ | ||
| tokens, | ||
| config, | ||
| }: { | ||
| tokens: PriceInput[]; | ||
| config: { timeout?: TimeString } | undefined; | ||
| }): Promise<Record<ChainId, Record<TokenAddress, PriceResult>>> { | ||
| const groupedByChain = groupByChain(tokens, ({ token }) => token); | ||
| const reducedTimeout = reduceTimeout(config?.timeout, '100'); | ||
| const promises = Object.entries(groupedByChain).map(async ([chainId, tokens]) => [ | ||
| Number(chainId), | ||
| await timeoutPromise(this.getCurrentPricesInChain(Number(chainId), tokens, reducedTimeout), reducedTimeout), | ||
| ]); | ||
| return Object.fromEntries(await filterRejectedResults(promises)); | ||
| } | ||
|
|
||
| getHistoricalPrices(_: { | ||
| tokens: PriceInput[]; | ||
| timestamp: Timestamp; | ||
| searchWidth: TimeString | undefined; | ||
| config: { timeout?: TimeString } | undefined; | ||
| }): Promise<Record<ChainId, Record<TokenAddress, PriceResult>>> { | ||
| // Only supports historical prices searching by token symbol | ||
| return Promise.reject(new Error('Operation not supported')); | ||
| } | ||
|
|
||
| getBulkHistoricalPrices(_: { | ||
| tokens: { chainId: ChainId; token: TokenAddress; timestamp: Timestamp }[]; | ||
| searchWidth: TimeString | undefined; | ||
| config: { timeout?: TimeString } | undefined; | ||
| }): Promise<Record<ChainId, Record<TokenAddress, Record<Timestamp, PriceResult>>>> { | ||
| return Promise.reject(new Error('Operation not supported')); | ||
| } | ||
|
|
||
| async getChart(_: { | ||
| tokens: PriceInput[]; | ||
| span: number; | ||
| period: TimeString; | ||
| bound: { from: Timestamp } | { upTo: Timestamp | 'now' }; | ||
| searchWidth?: TimeString; | ||
| config: { timeout?: TimeString } | undefined; | ||
| }): Promise<Record<ChainId, Record<TokenAddress, PriceResult[]>>> { | ||
| return Promise.reject(new Error('Operation not supported')); | ||
| } | ||
|
|
||
| private async getCurrentPricesInChain(chainId: ChainId, addresses: TokenAddress[], timeout?: TimeString) { | ||
| const url = `https://api.g.alchemy.com/prices/v1/${this.apiKey}/tokens/by-address`; | ||
| const result: Record<TokenAddress, PriceResult> = {}; | ||
| const chunks = splitInChunks(addresses, 25); | ||
| const promises = chunks.map(async (chunk) => { | ||
| const response = await this.fetch.fetch(url, { | ||
| method: 'POST', | ||
| headers: { 'Content-Type': 'application/json' }, | ||
| body: JSON.stringify({ | ||
| addresses: chunk.map((address) => ({ | ||
| network: ALCHEMY_NETWORKS[chainId].key, | ||
| // Alchemy doesn't support native tokens (only on Ethereum), so we use the wrapped native token | ||
| address: | ||
| isSameAddress(address, Addresses.NATIVE_TOKEN) && chainId !== Chains.ETHEREUM.chainId | ||
| ? getChainByKeyOrFail(chainId).wToken | ||
| : address, | ||
| })), | ||
| }), | ||
| timeout, | ||
| }); | ||
|
|
||
| if (!response.ok) { | ||
| return; | ||
| } | ||
| const body: Response = await response.json(); | ||
| chunk.forEach((address, index) => { | ||
| const tokenPrice = body.data[index].prices[0]; | ||
| if (!tokenPrice) return; | ||
| const timestamp = Math.floor(new Date(tokenPrice.lastUpdatedAt).getTime() / 1000); | ||
| result[address] = { price: Number(tokenPrice.value), closestTimestamp: timestamp }; | ||
| }); | ||
| }); | ||
|
|
||
| await Promise.all(promises); | ||
| return result; | ||
| } | ||
| } | ||
|
|
||
| type Response = { data: { address: TokenAddress; prices: { currency: string; value: string; lastUpdatedAt: string }[] }[] }; |
31 changes: 1 addition & 30 deletions
31
src/services/providers/provider-sources/alchemy-provider.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| import { Chains } from '@chains'; | ||
| import { ChainId } from '@types'; | ||
|
|
||
| export const ALCHEMY_NETWORKS: Record<ChainId, { key: string; onlyPaid?: true }> = { | ||
| [Chains.ETHEREUM.chainId]: { key: 'eth-mainnet' }, | ||
| [Chains.ETHEREUM_SEPOLIA.chainId]: { key: 'eth-sepolia' }, | ||
| [Chains.OPTIMISM.chainId]: { key: 'opt-mainnet' }, | ||
| // [Chains.OPTIMISM_SEPOLIA.chainId]: { key: 'opt-sepolia' }, | ||
| [Chains.ARBITRUM.chainId]: { key: 'arb-mainnet' }, | ||
| // [Chains.ARBITRUM_SEPOLIA.chainId]: { key: 'arb-sepolia' }, | ||
| [Chains.POLYGON.chainId]: { key: 'polygon-mainnet' }, | ||
| [Chains.POLYGON_MUMBAI.chainId]: { key: 'polygon-mumbai' }, | ||
| [Chains.ASTAR.chainId]: { key: 'astar-mainnet' }, | ||
| [Chains.BLAST.chainId]: { key: 'blast-mainnet' }, | ||
| [Chains.BNB_CHAIN.chainId]: { key: 'bnb-mainnet', onlyPaid: true }, | ||
| [Chains.AVALANCHE.chainId]: { key: 'avax-mainnet', onlyPaid: true }, | ||
| [Chains.FANTOM.chainId]: { key: 'fantom-mainnet' }, | ||
| [Chains.METIS_ANDROMEDA.chainId]: { key: 'metis-mainnet', onlyPaid: true }, | ||
| [Chains.POLYGON_ZKEVM.chainId]: { key: 'polygonzkevm-mainnet' }, | ||
| // [Chains.POLYGON_ZKEVM_TESTNET.chainId]: { key: 'polygonzkevm-testnet' }, | ||
| [Chains.BASE.chainId]: { key: 'base-mainnet' }, | ||
| [Chains.GNOSIS.chainId]: { key: 'gnosis-mainnet', onlyPaid: true }, | ||
| [Chains.SCROLL.chainId]: { key: 'scroll-mainnet' }, | ||
| [Chains.opBNB.chainId]: { key: 'opbnb-mainnet', onlyPaid: true }, | ||
| // [Chains.BASE_SEPOLIA.chainId]: { key: 'base-sepolia' }, | ||
| // [Chains.ZKSYNC.chainId]: { key: 'zksync-mainnet' }, | ||
| // [Chains.ZKSYNC_SEPOLIA.chainId]: { key: 'zksync-sepolia' }, | ||
| [Chains.MANTLE.chainId]: { key: 'mantle-mainnet' }, | ||
| [Chains.ROOTSTOCK.chainId]: { key: 'rootstock-mainnet' }, | ||
| [Chains.LINEA.chainId]: { key: 'linea-mainnet' }, | ||
| }; |
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