From 9b30a106c7313fed857d6d617f4ab9161f898111 Mon Sep 17 00:00:00 2001 From: Procyon_lotor123 Date: Wed, 22 Feb 2023 20:40:33 +0200 Subject: [PATCH] api updated to v2 --- src/swap/exolix.ts | 164 ++++++++++++++++++++++++++++----------------- 1 file changed, 102 insertions(+), 62 deletions(-) diff --git a/src/swap/exolix.ts b/src/swap/exolix.ts index 489f3d83..4ccd2b18 100644 --- a/src/swap/exolix.ts +++ b/src/swap/exolix.ts @@ -1,5 +1,12 @@ import { lt } from 'biggystring' -import { asNumber, asObject, asOptional, asString } from 'cleaners' +import { + asEither, + asNull, + asNumber, + asObject, + asOptional, + asString +} from 'cleaners' import { EdgeCorePluginOptions, EdgeSpendInfo, @@ -55,20 +62,23 @@ const INVALID_CURRENCY_CODES: InvalidCurrencyCodes = { const MAINNET_CODE_TRANSCRIPTION = {} const orderUri = 'https://exolix.com/transaction/' -const uri = 'https://exolix.com/api/' +const uri = 'https://exolix.com/api/v2/' const expirationMs = 1000 * 60 const asRateResponse = asObject({ - min_amount: asString + minAmount: asNumber, + fromAmount: asNumber, + toAmount: asNumber, + message: asEither(asString, asNull) }) const asQuoteInfo = asObject({ id: asString, - amount_from: asNumber, - amount_to: asNumber, - deposit_address: asString, - deposit_extra: asOptional(asString) + amount: asNumber, + amountTo: asNumber, + depositAddress: asString, + depositExtraId: asOptional(asString) }) export function makeExolixPlugin(opts: EdgeCorePluginOptions): EdgeSwapPlugin { @@ -76,24 +86,37 @@ export function makeExolixPlugin(opts: EdgeCorePluginOptions): EdgeSwapPlugin { const { fetchCors = io.fetch } = io const { apiKey } = asInitOptions(opts.initOptions) - async function call(route: string, params: any): Promise { - const body = JSON.stringify(params) - + async function call( + method: 'GET' | 'POST', + route: string, + params: any + ): Promise { const headers: { [header: string]: string } = { Accept: 'application/json', 'Content-Type': 'application/json', Authorization: `${apiKey}` } - const response = await fetchCors(uri + route, { - method: 'POST', - body, - headers - }) + let response: Awaited> + + if (method === 'POST') { + const body = JSON.stringify(params) + response = await fetchCors(uri + route, { + method, + headers, + body + }) + } else { + const url = `${uri}${route}?${new URLSearchParams(params)}` + response = await fetchCors(url, { + method, + headers + }) + } if (!response.ok) { if (response.status === 422) { - throw new SwapCurrencyError(swapInfo, params.coin_from, params.coin_to) + throw new SwapCurrencyError(swapInfo, params.coinFrom, params.coinTo) } throw new Error(`Exolix returned error code ${response.status}`) } @@ -110,16 +133,7 @@ export function makeExolixPlugin(opts: EdgeCorePluginOptions): EdgeSwapPlugin { getAddress(request.toWallet) ]) - if (request.quoteFor === 'to') { - // Does not yet support reverse quotes - throw new SwapCurrencyError( - swapInfo, - request.fromCurrencyCode, - request.toCurrencyCode - ) - } - - const quoteAmount = + const exchangeQuoteAmount = request.quoteFor === 'from' ? await request.fromWallet.nativeToDenomination( request.nativeAmount, @@ -130,6 +144,8 @@ export function makeExolixPlugin(opts: EdgeCorePluginOptions): EdgeSwapPlugin { request.toCurrencyCode ) + const quoteAmount = parseFloat(exchangeQuoteAmount) + const { fromCurrencyCode, toCurrencyCode, @@ -137,34 +153,51 @@ export function makeExolixPlugin(opts: EdgeCorePluginOptions): EdgeSwapPlugin { toMainnetCode } = getCodesWithTranscription(request, MAINNET_CODE_TRANSCRIPTION) - // The Exolix documentation doesn't detail this mainnetCode:currencyCode functionality - // but it's been verified by testing - const safeFromCurrencyCode = `${fromMainnetCode}:${fromCurrencyCode}` - const safeToCurrencyCode = `${toMainnetCode}:${toCurrencyCode}` + const quoteParams: Record = { + coinFrom: fromCurrencyCode, + coinFromNetwork: fromMainnetCode, + coinTo: toCurrencyCode, + coinToNetwork: toMainnetCode, + amount: quoteAmount, + rateType: 'fixed' + } - // Swap the currencies if we need a reverse quote: - const quoteParams = - request.quoteFor === 'from' - ? { - coin_from: safeFromCurrencyCode, - coin_to: safeToCurrencyCode, - deposit_amount: quoteAmount, - rate_type: 'fixed' - } - : { - coin_from: safeToCurrencyCode, - coin_to: safeFromCurrencyCode, - deposit_amount: quoteAmount, - rate_type: 'fixed' - } + // Set the withdrawal amount if we are quoting for the toCurrencyCode + if (request.quoteFor === 'to') { + quoteParams.withdrawalAmount = quoteAmount + } // Get Rate - const rateResponse = asRateResponse(await call('rate', quoteParams)) + const rateResponse = asRateResponse(await call('GET', 'rate', quoteParams)) + + if (rateResponse.message != null) { + if (rateResponse.fromAmount < rateResponse.minAmount) { + if (request.quoteFor === 'from') { + const nativeMin = await request.fromWallet.denominationToNative( + rateResponse.minAmount.toString(), + request.fromCurrencyCode + ) + throw new SwapBelowLimitError(swapInfo, nativeMin) + } else { + const withdrawMin = + rateResponse.minAmount * + (rateResponse.toAmount / rateResponse.fromAmount) + + const nativeMin = await request.toWallet.denominationToNative( + withdrawMin.toFixed(8), + request.toCurrencyCode + ) + throw new SwapBelowLimitError(swapInfo, nativeMin, 'to') + } + } + + throw new Error(rateResponse.message) + } // Check rate minimum: if (request.quoteFor === 'from') { const nativeMin = await request.fromWallet.denominationToNative( - rateResponse.min_amount, + rateResponse.minAmount.toString(), request.fromCurrencyCode ) @@ -173,7 +206,7 @@ export function makeExolixPlugin(opts: EdgeCorePluginOptions): EdgeSwapPlugin { } } else { const nativeMin = await request.toWallet.denominationToNative( - rateResponse.min_amount, + rateResponse.minAmount.toString(), request.toCurrencyCode ) @@ -183,27 +216,34 @@ export function makeExolixPlugin(opts: EdgeCorePluginOptions): EdgeSwapPlugin { } // Make the transaction: - const exchangeParams = { - coin_from: quoteParams.coin_from, - coin_to: quoteParams.coin_to, - deposit_amount: quoteAmount, - destination_address: toAddress, - destination_extra: '', - refund_address: fromAddress, - refund_extra: '', - rate_type: 'fixed' + const exchangeParams: Record = { + coinFrom: quoteParams.coinFrom, + networkFrom: quoteParams.coinFromNetwork, + coinTo: quoteParams.coinTo, + networkTo: quoteParams.coinToNetwork, + amount: quoteAmount, + withdrawalAddress: toAddress, + withdrawalExtraId: '', + refundAddress: fromAddress, + refundExtraId: '', + rateType: 'fixed' + } + + // Set the withdrawal amount if we are quoting for the toCurrencyCode + if (request.quoteFor === 'to') { + exchangeParams.withdrawalAmount = quoteAmount } - const callJson = await call('exchange', exchangeParams) + const callJson = await call('POST', 'transactions', exchangeParams) const quoteInfo = asQuoteInfo(callJson) const fromNativeAmount = await request.fromWallet.denominationToNative( - quoteInfo.amount_from.toString(), + quoteInfo.amount.toString(), request.fromCurrencyCode ) const toNativeAmount = await request.toWallet.denominationToNative( - quoteInfo.amount_to.toString(), + quoteInfo.amountTo.toString(), request.toCurrencyCode ) @@ -212,8 +252,8 @@ export function makeExolixPlugin(opts: EdgeCorePluginOptions): EdgeSwapPlugin { spendTargets: [ { nativeAmount: fromNativeAmount, - publicAddress: quoteInfo.deposit_address, - uniqueIdentifier: quoteInfo.deposit_extra + publicAddress: quoteInfo.depositAddress, + uniqueIdentifier: quoteInfo.depositExtraId } ], networkFeeOption: