@razorlabs/amm-sdk
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🛠An SDK for building applications on top of RazorDEX.
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TypeScript
import { Percent, Token, CurrencyAmount, Price, BigintIsh, Currency, TradeType, NativeCurrency, ChainId } from '@razorlabs/swap-sdk-core';
export * from '@razorlabs/swap-sdk-core';
import { Aptos, InputViewFunctionData, InputEntryFunctionData } from '@aptos-labs/ts-sdk';
declare const ZERO_PERCENT: Percent;
declare const ONE_HUNDRED_PERCENT: Percent;
declare const AMM_MODULE_ADDRESS = "0xc4e68f29fa608d2630d11513c8de731b09a975f2f75ea945160491b9bfd36992";
declare const AMM_SIGNER = "0xf317511756cb5bd755a7456ad900974645788926742b39d81771e17cd54b1c80";
declare const FACTORY_ADDRESS = "0xc4e68f29fa608d2630d11513c8de731b09a975f2f75ea945160491b9bfd36992::amm_factory";
declare const FACTORY_ADDRESS_MAP: {
250: string;
126: string;
};
declare const WMOVE: {
250: Token;
126: Token;
};
declare const WNATIVE: Record<number, Token>;
declare const NATIVE: Record<number, {
name: string;
symbol: string;
decimals: number;
}>;
declare const computePairAddress: ({ tokenA, tokenB }: {
tokenA: Token;
tokenB: Token;
}) => string;
declare class Pair {
readonly liquidityToken: Token;
private readonly tokenAmounts;
static getAddress(tokenA: Token, tokenB: Token): string;
constructor(currencyAmountA: CurrencyAmount<Token>, tokenAmountB: CurrencyAmount<Token>);
/**
* Returns true if the token is either token0 or token1
* @param token to check
*/
involvesToken(token: Token): boolean;
/**
* Returns the current mid price of the pair in terms of token0, i.e. the ratio of reserve1 to reserve0
*/
get token0Price(): Price<Token, Token>;
/**
* Returns the current mid price of the pair in terms of token1, i.e. the ratio of reserve0 to reserve1
*/
get token1Price(): Price<Token, Token>;
/**
* Return the price of the given token in terms of the other token in the pair.
* @param token token to return price of
*/
priceOf(token: Token): Price<Token, Token>;
/**
* Returns the chain ID of the tokens in the pair.
*/
get chainId(): number;
get token0(): Token;
get token1(): Token;
get reserve0(): CurrencyAmount<Token>;
get reserve1(): CurrencyAmount<Token>;
reserveOf(token: Token): CurrencyAmount<Token>;
getOutputAmount(inputAmount: CurrencyAmount<Token>): [CurrencyAmount<Token>, Pair];
getInputAmount(outputAmount: CurrencyAmount<Token>): [CurrencyAmount<Token>, Pair];
getLiquidityMinted(totalSupply: CurrencyAmount<Token>, tokenAmountA: CurrencyAmount<Token>, tokenAmountB: CurrencyAmount<Token>): CurrencyAmount<Token>;
getLiquidityValue(token: Token, totalSupply: CurrencyAmount<Token>, liquidity: CurrencyAmount<Token>, feeOn?: boolean, kLast?: BigintIsh): CurrencyAmount<Token>;
}
declare class Route<TInput extends Currency, TOutput extends Currency> {
readonly pairs: Pair[];
readonly path: Token[];
readonly input: TInput;
readonly output: TOutput;
constructor(pairs: Pair[], input: TInput, output: TOutput);
private _midPrice;
get midPrice(): Price<TInput, TOutput>;
get chainId(): number;
}
interface InputOutput<TInput extends Currency, TOutput extends Currency> {
readonly inputAmount: CurrencyAmount<TInput>;
readonly outputAmount: CurrencyAmount<TOutput>;
}
declare function inputOutputComparator<TInput extends Currency, TOutput extends Currency>(a: InputOutput<TInput, TOutput>, b: InputOutput<TInput, TOutput>): number;
declare function tradeComparator<TInput extends Currency, TOutput extends Currency, TTradeType extends TradeType>(a: Trade<TInput, TOutput, TTradeType>, b: Trade<TInput, TOutput, TTradeType>): number;
interface BestTradeOptions {
maxNumResults?: number;
maxHops?: number;
}
/**
* Represents a trade executed against a list of pairs.
* Does not account for slippage, i.e. trades that front run this trade and move the price.
*/
declare class Trade<TInput extends Currency, TOutput extends Currency, TTradeType extends TradeType> {
/**
* The route of the trade, i.e. which pairs the trade goes through and the input/output currencies.
*/
readonly route: Route<TInput, TOutput>;
/**
* The type of the trade, either exact in or exact out.
*/
readonly tradeType: TTradeType;
/**
* The input amount for the trade assuming no slippage.
*/
readonly inputAmount: CurrencyAmount<TInput>;
/**
* The output amount for the trade assuming no slippage.
*/
readonly outputAmount: CurrencyAmount<TOutput>;
/**
* The price expressed in terms of output amount/input amount.
*/
readonly executionPrice: Price<TInput, TOutput>;
/**
* The percent difference between the mid price before the trade and the trade execution price.
*/
readonly priceImpact: Percent;
/**
* Constructs an exact in trade with the given amount in and route
* @param route route of the exact in trade
* @param amountIn the amount being passed in
*/
static exactIn<TInput extends Currency, TOutput extends Currency>(route: Route<TInput, TOutput>, amountIn: CurrencyAmount<TInput>): Trade<TInput, TOutput, TradeType.EXACT_INPUT>;
/**
* Constructs an exact out trade with the given amount out and route
* @param route route of the exact out trade
* @param amountOut the amount returned by the trade
*/
static exactOut<TInput extends Currency, TOutput extends Currency>(route: Route<TInput, TOutput>, amountOut: CurrencyAmount<TOutput>): Trade<TInput, TOutput, TradeType.EXACT_OUTPUT>;
constructor(route: Route<TInput, TOutput>, amount: TTradeType extends TradeType.EXACT_INPUT ? CurrencyAmount<TInput> : CurrencyAmount<TOutput>, tradeType: TTradeType);
/**
* Get the minimum amount that must be received from this trade for the given slippage tolerance
* @param slippageTolerance tolerance of unfavorable slippage from the execution price of this trade
*/
minimumAmountOut(slippageTolerance: Percent): CurrencyAmount<TOutput>;
/**
* Get the maximum amount in that can be spent via this trade for the given slippage tolerance
* @param slippageTolerance tolerance of unfavorable slippage from the execution price of this trade
*/
maximumAmountIn(slippageTolerance: Percent): CurrencyAmount<TInput>;
/**
* Given a list of pairs, and a fixed amount in, returns the top `maxNumResults` trades that go from an input token
* amount to an output token, making at most `maxHops` hops.
* Note this does not consider aggregation, as routes are linear. It's possible a better route exists by splitting
* the amount in among multiple routes.
* @param pairs the pairs to consider in finding the best trade
* @param nextAmountIn exact amount of input currency to spend
* @param currencyOut the desired currency out
* @param maxNumResults maximum number of results to return
* @param maxHops maximum number of hops a returned trade can make, e.g. 1 hop goes through a single pair
* @param currentPairs used in recursion; the current list of pairs
* @param currencyAmountIn used in recursion; the original value of the currencyAmountIn parameter
* @param bestTrades used in recursion; the current list of best trades
*/
static bestTradeExactIn<TInput extends Currency, TOutput extends Currency>(pairs: Pair[], currencyAmountIn: CurrencyAmount<TInput>, currencyOut: TOutput, { maxNumResults, maxHops }?: BestTradeOptions, currentPairs?: Pair[], nextAmountIn?: CurrencyAmount<Currency>, bestTrades?: Trade<TInput, TOutput, TradeType.EXACT_INPUT>[]): Trade<TInput, TOutput, TradeType.EXACT_INPUT>[];
/**
* Return the execution price after accounting for slippage tolerance
* @param slippageTolerance the allowed tolerated slippage
*/
worstExecutionPrice(slippageTolerance: Percent): Price<TInput, TOutput>;
/**
* similar to the above method but instead targets a fixed output amount
* given a list of pairs, and a fixed amount out, returns the top `maxNumResults` trades that go from an input token
* to an output token amount, making at most `maxHops` hops
* note this does not consider aggregation, as routes are linear. it's possible a better route exists by splitting
* the amount in among multiple routes.
* @param pairs the pairs to consider in finding the best trade
* @param currencyIn the currency to spend
* @param nextAmountOut the exact amount of currency out
* @param maxNumResults maximum number of results to return
* @param maxHops maximum number of hops a returned trade can make, e.g. 1 hop goes through a single pair
* @param currentPairs used in recursion; the current list of pairs
* @param currencyAmountOut used in recursion; the original value of the currencyAmountOut parameter
* @param bestTrades used in recursion; the current list of best trades
*/
static bestTradeExactOut<TInput extends Currency, TOutput extends Currency>(pairs: Pair[], currencyIn: TInput, currencyAmountOut: CurrencyAmount<TOutput>, { maxNumResults, maxHops }?: BestTradeOptions, currentPairs?: Pair[], nextAmountOut?: CurrencyAmount<Currency>, bestTrades?: Trade<TInput, TOutput, TradeType.EXACT_OUTPUT>[]): Trade<TInput, TOutput, TradeType.EXACT_OUTPUT>[];
}
declare function isTradeBetter(tradeA: Trade<Currency, Currency, TradeType> | undefined | null, tradeB: Trade<Currency, Currency, TradeType> | undefined | null, minimumDelta?: Percent): boolean | undefined;
/**
* Move is the main usage of a 'native' currency, i.e. for Movement mainnet and all testnets
*/
declare class Move extends NativeCurrency {
protected constructor(chainId: number);
get wrapped(): Token;
private static _moveCache;
static onChain(chainId: number): Move;
equals(other: Currency): boolean;
}
declare function getNetworkRPCUrl(chainId: ChainId): string;
declare function getNetworkIndexerUrl(chainId: ChainId): string;
declare function getDefaultProvider(chainId: ChainId): Aptos;
declare const getReserves: (pairAddress: string) => InputViewFunctionData;
/**
* Contains methods for constructing instances of pairs and tokens from on-chain data.
*/
declare abstract class Fetcher {
/**
* Cannot be constructed.
*/
private constructor();
/**
* Fetch information for a given token on the given chain, using the given provider.
* @param chainId chain of the token
* @param address address of the token on the chain
* @param provider provider used to fetch the token
* @param symbol optional symbol of the token
* @param name optional name of the token
*/
static fetchTokenData(chainId: ChainId, address: string, provider: Aptos | undefined, symbol: string, name?: string): Promise<Token>;
/**
* Fetches information about a pair and constructs a pair from the given two tokens.
* @param tokenA first token
* @param tokenB second token
* @param provider the provider to use to fetch the data
*/
static fetchPairData(tokenA: Token, tokenB: Token, provider?: Aptos): Promise<Pair>;
}
/**
*
* Native is the main usage of a 'native' currency, i.e. for BSC mainnet and all testnets
*/
declare class Native extends NativeCurrency {
protected constructor({ chainId, decimals, name, symbol, }: {
chainId: number;
decimals: number;
symbol: string;
name: string;
});
get wrapped(): Token;
private static cache;
static onChain(chainId: number): Native;
equals(other: Currency): boolean;
}
/**
* Options for producing the arguments to send call to the router.
*/
interface TradeOptions {
/**
* How much the execution price is allowed to move unfavorably from the trade execution price.
*/
allowedSlippage: Percent;
/**
* How long the swap is valid until it expires, in seconds.
* This will be used to produce a `deadline` parameter which is computed from when the swap call parameters
* are generated.
*/
ttl: number;
/**
* The account that should receive the output of the swap.
*/
recipient: string;
}
interface TradeOptionsDeadline extends Omit<TradeOptions, 'ttl'> {
/**
* When the transaction expires.
* This is an alternate to specifying the ttl, for when you do not want to use local time.
*/
deadline: number;
}
/**
* The parameters to use in the call to the Router to execute a trade.
*/
interface SwapParameters {
/**
* The method to call on the Router.
*/
methodName: string;
/**
* The arguments to pass to the method, all hex encoded.
*/
args: InputEntryFunctionData['functionArguments'];
}
/**
* Represents the Razor AMM Router, and has static methods for helping execute trades.
*/
declare abstract class Router {
/**
* Cannot be constructed.
*/
private constructor();
/**
* Produces the on-chain method name to call and the hex encoded parameters to pass as arguments for a given trade.
* @param trade to produce call parameters for
* @param options options for the call parameters
*/
static swapCallParameters(trade: Trade<Currency, Currency, TradeType>, options: TradeOptions | TradeOptionsDeadline): SwapParameters;
}
export { AMM_MODULE_ADDRESS, AMM_SIGNER, type BestTradeOptions, FACTORY_ADDRESS, FACTORY_ADDRESS_MAP, Fetcher, Move, NATIVE, Native, ONE_HUNDRED_PERCENT, Pair, Route, Router, type SwapParameters, Trade, type TradeOptions, type TradeOptionsDeadline, WMOVE, WNATIVE, ZERO_PERCENT, computePairAddress, getDefaultProvider, getNetworkIndexerUrl, getNetworkRPCUrl, getReserves, inputOutputComparator, isTradeBetter, tradeComparator };