35 lines
1006 B
TypeScript
35 lines
1006 B
TypeScript
import { BigNumber } from '@0x/utils';
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import { AssetBuyerOpts, BuyQuoteExecutionOpts, BuyQuoteRequestOpts } from './types';
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const NULL_ADDRESS = '0x0000000000000000000000000000000000000000';
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const MAINNET_NETWORK_ID = 1;
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const DEFAULT_ASSET_BUYER_OPTS: AssetBuyerOpts = {
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networkId: MAINNET_NETWORK_ID,
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orderRefreshIntervalMs: 10000, // 10 seconds
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expiryBufferSeconds: 300, // 5 minutes
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};
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const DEFAULT_BUY_QUOTE_REQUEST_OPTS: BuyQuoteRequestOpts = {
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feePercentage: 0,
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shouldForceOrderRefresh: false,
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slippagePercentage: 0.2, // 20% slippage protection
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};
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// Other default values are dynamically determined
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const DEFAULT_BUY_QUOTE_EXECUTION_OPTS: BuyQuoteExecutionOpts = {
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feeRecipient: NULL_ADDRESS,
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};
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export const constants = {
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ZERO_AMOUNT: new BigNumber(0),
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NULL_ADDRESS,
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MAINNET_NETWORK_ID,
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ETHER_TOKEN_DECIMALS: 18,
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DEFAULT_ASSET_BUYER_OPTS,
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DEFAULT_BUY_QUOTE_EXECUTION_OPTS,
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DEFAULT_BUY_QUOTE_REQUEST_OPTS,
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MAX_PER_PAGE: 10000,
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};
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