@maxosllc/smart-order-router
Version:
BlockDAG Smart Order Router
79 lines (78 loc) • 3.27 kB
TypeScript
import { BigNumber } from '@ethersproject/bignumber';
import { ChainId } from '../../../src/util/chains';
import { Token } from '@uniswap/sdk-core';
import { FeeAmount, Pool } from '@uniswap/v3-sdk';
import { Options as RetryOptions } from 'async-retry';
import { IMulticallProvider, Result } from '../multicall-provider';
import { ILiquidity, ISlot0, PoolProvider } from '../pool-provider';
import { ProviderConfig } from '../provider';
declare type V3ISlot0 = ISlot0 & {
sqrtPriceX96: BigNumber;
tick: number;
};
declare type V3ILiquidity = ILiquidity;
/**
* Provider or getting V3 pools.
*
* @export
* @interface IV3PoolProvider
*/
export interface IV3PoolProvider {
/**
* Gets the specified pools.
*
* @param tokenPairs The token pairs and fee amount of the pools to get.
* @param [providerConfig] The provider config.
* @returns A pool accessor with methods for accessing the pools.
*/
getPools(tokenPairs: [Token, Token, FeeAmount][], providerConfig?: ProviderConfig): Promise<V3PoolAccessor>;
/**
* Gets the pool address for the specified token pair and fee tier.
*
* @param tokenA Token A in the pool.
* @param tokenB Token B in the pool.
* @param feeAmount The fee amount of the pool.
* @returns The pool address and the two tokens.
*/
getPoolAddress(tokenA: Token, tokenB: Token, feeAmount: FeeAmount): {
poolAddress: string;
token0: Token;
token1: Token;
};
}
export declare type V3PoolAccessor = {
getPool: (tokenA: Token, tokenB: Token, feeAmount: FeeAmount) => Pool | undefined;
getPoolByAddress: (address: string) => Pool | undefined;
getAllPools: () => Pool[];
};
export declare type V3PoolRetryOptions = RetryOptions;
export declare type V3PoolConstruct = [Token, Token, FeeAmount];
export declare class V3PoolProvider extends PoolProvider<Token, V3PoolConstruct, V3ISlot0, V3ILiquidity, V3PoolAccessor> implements IV3PoolProvider {
private POOL_ADDRESS_CACHE;
/**
* Creates an instance of V4PoolProvider.
* @param chainId The chain id to use.
* @param multicall2Provider The multicall provider to use to get the pools.
* @param retryOptions The retry options for each call to the multicall.
*/
constructor(chainId: ChainId, multicall2Provider: IMulticallProvider, retryOptions?: V3PoolRetryOptions);
getPools(tokenPairs: V3PoolConstruct[], providerConfig?: ProviderConfig): Promise<V3PoolAccessor>;
getPoolAddress(tokenA: Token, tokenB: Token, feeAmount: FeeAmount): {
poolAddress: string;
token0: Token;
token1: Token;
};
protected getLiquidityFunctionName(): string;
protected getSlot0FunctionName(): string;
protected getPoolsData<TReturn>(poolAddresses: string[], functionName: string, providerConfig?: ProviderConfig): Promise<Result<TReturn>[]>;
protected getPoolIdentifier(pool: V3PoolConstruct): {
poolIdentifier: string;
currency0: Token;
currency1: Token;
};
protected instantiatePool(pool: V3PoolConstruct, slot0: V3ISlot0, liquidity: V3ILiquidity): Pool;
protected instantiatePoolAccessor(poolIdentifierToPool: {
[p: string]: Pool;
}): V3PoolAccessor;
}
export {};