94 lines
2.7 KiB
TypeScript
94 lines
2.7 KiB
TypeScript
import { removeDecimal, toNanoSeconds } from '@vegaprotocol/utils';
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import type { Market, Order } from '@vegaprotocol/types';
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import { OrderTimeInForce, OrderType, AccountType } from '@vegaprotocol/types';
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import BigNumber from 'bignumber.js';
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import { ethers } from 'ethers';
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import { sha3_256 } from 'js-sha3';
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import type {
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OrderAmendment,
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OrderSubmission,
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Transaction,
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Transfer,
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} from './connectors';
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import type { Exact } from 'type-fest';
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/**
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* Creates an ID in the same way that core does on the backend. This way we
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* Can match up the newly created order with incoming orders via a subscription
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*/
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export const determineId = (sig: string) => {
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return sha3_256(ethers.utils.arrayify('0x' + sig));
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};
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/**
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* Base64 encode a transaction object
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*/
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export const encodeTransaction = (tx: Transaction): string => {
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return ethers.utils.base64.encode(
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ethers.utils.toUtf8Bytes(JSON.stringify(tx))
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);
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};
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export const normalizeOrderSubmission = (
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order: OrderSubmission,
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decimalPlaces: number,
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positionDecimalPlaces: number
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): OrderSubmission => ({
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marketId: order.marketId,
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reference: order.reference,
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type: order.type,
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side: order.side,
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timeInForce: order.timeInForce,
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price:
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order.type === OrderType.TYPE_LIMIT && order.price
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? removeDecimal(order.price, decimalPlaces)
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: undefined,
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size: removeDecimal(order.size, positionDecimalPlaces),
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expiresAt:
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order.expiresAt && order.timeInForce === OrderTimeInForce.TIME_IN_FORCE_GTT
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? toNanoSeconds(order.expiresAt)
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: undefined,
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postOnly: order.postOnly,
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reduceOnly: order.reduceOnly,
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});
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export const normalizeOrderAmendment = <T extends Exact<OrderAmendment, T>>(
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order: Pick<Order, 'id' | 'timeInForce' | 'size' | 'expiresAt'>,
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market: Pick<Market, 'id' | 'decimalPlaces' | 'positionDecimalPlaces'>,
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price: string,
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size: string
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): OrderAmendment => ({
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orderId: order.id,
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marketId: market.id,
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price: removeDecimal(price, market.decimalPlaces),
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timeInForce: order.timeInForce,
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sizeDelta: size
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? new BigNumber(removeDecimal(size, market.positionDecimalPlaces))
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.minus(order.size)
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.toNumber()
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: 0,
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expiresAt: order.expiresAt
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? toNanoSeconds(order.expiresAt) // Wallet expects timestamp in nanoseconds
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: undefined,
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});
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export const normalizeTransfer = <T extends Exact<Transfer, T>>(
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address: string,
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amount: string,
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asset: {
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id: string;
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decimals: number;
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}
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): Transfer => {
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return {
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fromAccountType: AccountType.ACCOUNT_TYPE_GENERAL,
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to: address,
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toAccountType: AccountType.ACCOUNT_TYPE_GENERAL,
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asset: asset.id,
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amount: removeDecimal(amount, asset.decimals),
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// oneOff or recurring required otherwise wallet will error
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// default oneOff is immediate transfer
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oneOff: {},
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};
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};
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