@kiroboio/fct-plugins NPM

FCT PROVIDER

import { ethers } from 'ethers'

import { FctProvider, UNISWAP_TYPE } from '@@kiroboio/fct-contracts/ki-eth-fct-provider'

const provider = new ethers.providers.JsonRpcProvider('https://mainnet.infura.io/v3/infura_id')
export const uniswap = new FctProvider({
  library: provider,
  chainId: 1,
  account: 'wallet_address',
}).uniswap

export const testTokenPair = ({
  inputToken,
  outputToken,
}: {
  inputToken: {
    decimals: number
    address: string
  }
  outputToken: {
    decimals: number
    address: string
  }
}) => {
  it('Should return uniswap values for exact output', async () => {
    const amount = Math.floor(Math.random() * 1000).toString()
    const values = await uniswap.getSwapValues({
      input: {
        currency: inputToken,
      },
      output: {
        amount,
        currency: outputToken,
      },
    })

    expect(values.type).toEqual(UNISWAP_TYPE.EXACT_OUTPUT)

    expect(values.outputAmountFormatted).toEqual(amount)
    expect(values.inputAmountFormatted).toBeDefined()

    expect(values.state).toEqual('VALID')
    expect(values.swapCalls).toHaveLength(1)
  })

  it('Should return uniswap values for exact input', async () => {
    const amount = Math.floor(Math.random() * 1000).toString()
    const values = await uniswap.getSwapValues({
      input: {
        amount,
        currency: inputToken,
      },
      output: {
        currency: outputToken,
      },
    })

    expect(values.type).toEqual(UNISWAP_TYPE.EXACT_INPUT)

    expect(values.inputAmountFormatted).toEqual(amount)
    expect(values.outputAmountFormatted).toBeDefined()

    expect(values.state).toEqual('VALID')
    expect(values.swapCalls).toHaveLength(1)
  })

  it('Should return uniswap invalid trade for big output values', async () => {
    const amount = '1000000000'
    const values = await uniswap.getSwapValues({
      input: {
        currency: inputToken,
      },
      output: {
        amount,
        currency: outputToken,
      },
    })

    expect(values.type).toEqual(UNISWAP_TYPE.EXACT_OUTPUT)

    expect(values.outputAmountFormatted).toEqual(amount)
    expect(values.inputAmountFormatted).toBeUndefined()

    expect(values.state).toEqual('INVALID')
    expect(values.swapCalls).toHaveLength(0)
  })
}

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FCT PROVIDER

Uniswap Provider