Balancer Supply Liquidity for DFX

dfx-supply.js

const { ethers } = require("hardhat");
const { provider } = ethers;
const { parseUnits, formatUnits } = ethers.utils;

const FiatTokenV1ABI = JSON.parse(
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);

const FiatTokenV2ABI = JSON.parse(
  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const EURSABI = JSON.parse(
  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bleFee","type":"uint256"},{"indexed":false,"name":"maxVariableFee","type":"uint256"},{"indexed":false,"name":"variableFeeNumerator","type":"uint256"}],"name":"FeeChange","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"delegate","type":"address"}],"name":"Delegation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}]'
);

const BActionABI = JSON.parse(
  '[{"inputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"contract ERC20","name":"token","type":"address"},{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"}],"name":"applyAddToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"contract ERC20","name":"token","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"denormalizedWeight","type":"uint256"}],"name":"commitAddToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract BFactory","name":"factory","type":"address"},{"internalType":"address[]","name":"tokens","type":"address[]"},{"internalType":"uint256[]","name":"balances","type":"uint256[]"},{"internalType":"uint256[]","name":"weights","type":"uint256[]"},{"internalType":"uint256","name":"swapFee","type":"uint256"},{"internalType":"bool","name":"finalize","type":"bool"}],"name":"create","outputs":[{"internalType":"contract BPool","name":"pool","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract CRPFactory","name":"factory","type":"address"},{"internalType":"contract BFactory","name":"bFactory","type":"address"},{"components":[{"internalType":"string","name":"poolTokenSymbol","type":"string"},{"internalType":"string","name":"poolTokenName","type":"string"},{"internalType":"address[]","name":"constituentTokens","type":"address[]"},{"internalType":"uint256[]","name":"tokenBalances","type":"uint256[]"},{"internalType":"uint256[]","name":"tokenWeights","type":"uint256[]"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"internalType":"struct ConfigurableRightsPool.PoolParams","name":"poolParams","type":"tuple"},{"components":[{"internalType":"uint256","name":"initialSupply","type":"uint256"},{"internalType":"uint256","name":"minimumWeightChangeBlockPeriod","type":"uint256"},{"internalType":"uint256","name":"addTokenTimeLockInBlocks","type":"uint256"}],"internalType":"struct ConfigurableRightsPool.CrpParams","name":"crpParams","type":"tuple"},{"components":[{"internalType":"bool","name":"canPauseSwapping","type":"bool"},{"internalType":"bool","name":"canChangeSwapFee","type":"bool"},{"internalType":"bool","name":"canChangeWeights","type":"bool"},{"internalType":"bool","name":"canAddRemoveTokens","type":"bool"},{"internalType":"bool","name":"canWhitelistLPs","type":"bool"},{"internalType":"bool","name":"canChangeCap","type":"bool"}],"internalType":"struct RightsManager.Rights","name":"rights","type":"tuple"}],"name":"createSmartPool","outputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"contract ERC20","name":"token","type":"address"},{"internalType":"uint256","name":"newWeight","type":"uint256"},{"internalType":"uint256","name":"poolAmountIn","type":"uint256"}],"name":"decreaseWeight","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract BPool","name":"pool","type":"address"}],"name":"finalize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"contract ERC20","name":"token","type":"address"},{"internalType":"uint256","name":"newWeight","type":"uint256"},{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"}],"name":"increaseWeight","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract 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ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"contract ERC20","name":"token","type":"address"},{"internalType":"uint256","name":"poolAmountIn","type":"uint256"}],"name":"removeToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"address","name":"provider","type":"address"}],"name":"removeWhitelistedLiquidityProvider","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"uint256","name":"newCap","type":"uint256"}],"name":"setCap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract 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BPool","name":"pool","type":"address"},{"internalType":"address[]","name":"tokens","type":"address[]"},{"internalType":"uint256[]","name":"balances","type":"uint256[]"},{"internalType":"uint256[]","name":"denorms","type":"uint256[]"}],"name":"setTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"uint256[]","name":"newWeights","type":"uint256[]"},{"internalType":"uint256","name":"startBlock","type":"uint256"},{"internalType":"uint256","name":"endBlock","type":"uint256"}],"name":"updateWeightsGradually","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ConfigurableRightsPool","name":"crp","type":"address"},{"internalType":"address","name":"provider","type":"address"}],"name":"whitelistLiquidityProvider","outputs":[],"stateMutability":"nonpayable","type":"function"}]'
);
const CRPAbi = JSON.parse(
  '[{"inputs":[{"internalType":"address","name":"factoryAddress","type":"address"},{"components":[{"internalType":"string","name":"poolTokenSymbol","type":"string"},{"internalType":"string","name":"poolTokenName","type":"string"},{"internalType":"address[]","name":"constituentTokens","type":"address[]"},{"internalType":"uint256[]","name":"tokenBalances","type":"uint256[]"},{"internalType":"uint256[]","name":"tokenWeights","type":"uint256[]"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"internalType":"struct ConfigurableRightsPool.PoolParams","name":"poolParams","type":"tuple"},{"components":[{"internalType":"bool","name":"canPauseSwapping","type":"bool"},{"internalType":"bool","name":"canChangeSwapFee","type":"bool"},{"internalType":"bool","name":"canChangeWeights","type":"bool"},{"internalType":"bool","name":"canAddRemoveTokens","type":"bool"},{"internalType":"bool","name":"canWhitelistLPs","type":"bool"},{"internalType":"bool","name":"canChangeCap","type":"bool"}],"internalType":"struct RightsManager.Rights","name":"rightsStruct","type":"tuple"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":false,"internalType":"uint256","name":"oldCap","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newCap","type":"uint256"}],"name":"CapChanged","type":"event"},{"anonymous":true,"inputs":[{"indexed":true,"internalType":"bytes4","name":"sig","type":"bytes4"},{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"LogCall","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"tokenOut","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmountOut","type":"uint256"}],"name":"LogExit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"tokenIn","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmountIn","type":"uint256"}],"name":"LogJoin","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":true,"internalType":"address","name":"pool","type":"address"},{"indexed":true,"internalType":"address","name":"caller","type":"address"}],"name":"NewTokenCommitted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DECIMALS","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_ADD_TOKEN_TIME_LOCK_IN_BLOCKS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_MIN_WEIGHT_CHANGE_BLOCK_PERIOD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"NAME","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"addTokenTimeLockInBlocks","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"bFactory","outputs":[{"internalType":"contract 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","name":"newWeights","type":"uint256[]"},{"internalType":"uint256","name":"startBlock","type":"uint256"},{"internalType":"uint256","name":"endBlock","type":"uint256"}],"name":"updateWeightsGradually","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"pokeWeights","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"denormalizedWeight","type":"uint256"}],"name":"commitAddToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"applyAddToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"removeToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"poolAmountOut","type":"uint256"},{"internalType":"uint256[]","name":"maxAmountsIn","type":"uint256[]"}],"name":"joinPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"poolAmountIn","type":"uint256"},{"internalType":"uint256[]","name":"minAmountsOut","type":"uint256[]"}],"name":"exitPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"},{"internalType":"uint256","name":"minPoolAmountOut","type":"uint256"}],"name":"joinswapExternAmountIn","outputs":[{"internalType":"uint256","name":"poolAmountOut","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"uint256","name":"poolAmountOut","type":"uint256"},{"internalType":"uint256","name":"maxAmountIn","type":"uint256"}],"name":"joinswapPoolAmountOut","outputs":[{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenOut","type":"address"},{"internalType":"uint256","name":"poolAmountIn","type":"uint256"},{"internalType":"uint256","name":"minAmountOut","type":"uint256"}],"name":"exitswapPoolAmountIn","outputs":[{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenOut","type":"address"},{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"},{"internalType":"uint256","name":"maxPoolAmountIn","type":"uint256"}],"name":"exitswapExternAmountOut","outputs":[{"internalType":"uint256","name":"poolAmountIn","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"provider","type":"address"}],"name":"whitelistLiquidityProvider","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"provider","type":"address"}],"name":"removeWhitelistedLiquidityProvider","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"provider","type":"address"}],"name":"canProvideLiquidity","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum 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);

const BPoolABI = JSON.parse(
  '[{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"src","type":"address"},{"indexed":true,"internalType":"address","name":"dst","type":"address"},{"indexed":false,"internalType":"uint256","name":"amt","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":true,"inputs":[{"indexed":true,"internalType":"bytes4","name":"sig","type":"bytes4"},{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"LOG_CALL","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"tokenOut","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmountOut","type":"uint256"}],"name":"LOG_EXIT","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"tokenIn","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmountIn","type":"uint256"}],"name":"LOG_JOIN","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"tokenIn","type":"address"},{"indexed":true,"internalType":"address","name":"tokenOut","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmountIn","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"tokenAmountOut","type":"uint256"}],"name":"LOG_SWAP","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"src","type":"address"},{"indexed":true,"internalType":"address","name":"dst","type":"address"},{"indexed":false,"internalType":"uint256","name":"amt","type":"uint256"}],"name":"Transfer","type":"event"},{"constant":true,"inputs":[],"name":"BONE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"BPOW_PRECISION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"EXIT_FEE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"INIT_POOL_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_BOUND_TOKENS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_BPOW_BASE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_FEE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_IN_RATIO","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_OUT_RATIO","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_TOTAL_WEIGHT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_WEIGHT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MIN_BALANCE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MIN_BOUND_TOKENS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MIN_BPOW_BASE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MIN_FEE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MIN_WEIGHT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"src","type":"address"},{"internalType":"address","name":"dst","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"whom","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"denorm","type":"uint256"}],"name":"bind","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"tokenBalanceIn","type":"uint256"},{"internalType":"uint256","name":"tokenWeightIn","type":"uint256"},{"internalType":"uint256","name":"tokenBalanceOut","type":"uint256"},{"internalType":"uint256","name":"tokenWeightOut","type":"uint256"},{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"name":"calcInGivenOut","outputs":[{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"tokenBalanceIn","type":"uint256"},{"internalType":"uint256","name":"tokenWeightIn","type":"uint256"},{"internalType":"uint256","name":"tokenBalanceOut","type":"uint256"},{"internalType":"uint256","name":"tokenWeightOut","type":"uint256"},{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"name":"calcOutGivenIn","outputs":[{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"tokenBalanceOut","type":"uint256"},{"internalType":"uint256","name":"tokenWeightOut","type":"uint256"},{"internalType":"uint256","name":"poolSupply","type":"uint256"},{"internalType":"uint256","name":"totalWeight","type":"uint256"},{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"name":"calcPoolInGivenSingleOut","outputs":[{"internalType":"uint256","name":"poolAmountIn","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"tokenBalanceIn","type":"uint256"},{"internalType":"uint256","name":"tokenWeightIn","type":"uint256"},{"internalType":"uint256","name":"poolSupply","type":"uint256"},{"internalType":"uint256","name":"totalWeight","type":"uint256"},{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"name":"calcPoolOutGivenSingleIn","outputs":[{"internalType":"uint256","name":"poolAmountOut","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"tokenBalanceIn","type":"uint256"},{"internalType":"uint256","name":"tokenWeightIn","type":"uint256"},{"internalType":"uint256","name":"poolSupply","type":"uint256"},{"internalType":"uint256","name":"totalWeight","type":"uint256"},{"internalType":"uint256","name":"poolAmountOut","type":"uint256"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"name":"calcSingleInGivenPoolOut","outputs":[{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"tokenBalanceOut","type":"uint256"},{"internalType":"uint256","name":"tokenWeightOut","type":"uint256"},{"internalType":"uint256","name":"poolSupply","type":"uint256"},{"internalType":"uint256","name":"totalWeight","type":"uint256"},{"internalType":"uint256","name":"poolAmountIn","type":"uint256"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"name":"calcSingleOutGivenPoolIn","outputs":[{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"tokenBalanceIn","type":"uint256"},{"internalType":"uint256","name":"tokenWeightIn","type":"uint256"},{"internalType":"uint256","name":"tokenBalanceOut","type":"uint256"},{"internalType":"uint256","name":"tokenWeightOut","type":"uint256"},{"internalType":"uint256","name":"swapFee","type":"uint256"}],"name":"calcSpotPrice","outputs":[{"internalType":"uint256","name":"spotPrice","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"decreaseApproval","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"poolAmountIn","type":"uint256"},{"internalType":"uint256[]","name":"minAmountsOut","type":"uint256[]"}],"name":"exitPool","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"tokenOut","type":"address"},{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"},{"internalType":"uint256","name":"maxPoolAmountIn","type":"uint256"}],"name":"exitswapExternAmountOut","outputs":[{"internalType":"uint256","name":"poolAmountIn","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"tokenOut","type":"address"},{"internalType":"uint256","name":"poolAmountIn","type":"uint256"},{"internalType":"uint256","name":"minAmountOut","type":"uint256"}],"name":"exitswapPoolAmountIn","outputs":[{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"finalize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getColor","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getController","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getCurrentTokens","outputs":[{"internalType":"address[]","name":"tokens","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getDenormalizedWeight","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getFinalTokens","outputs":[{"internalType":"address[]","name":"tokens","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getNormalizedWeight","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getNumTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"address","name":"tokenOut","type":"address"}],"name":"getSpotPrice","outputs":[{"internalType":"uint256","name":"spotPrice","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"address","name":"tokenOut","type":"address"}],"name":"getSpotPriceSansFee","outputs":[{"internalType":"uint256","name":"spotPrice","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getSwapFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getTotalDenormalizedWeight","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"gulp","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"increaseApproval","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"t","type":"address"}],"name":"isBound","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isFinalized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isPublicSwap","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"poolAmountOut","type":"uint256"},{"internalType":"uint256[]","name":"maxAmountsIn","type":"uint256[]"}],"name":"joinPool","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"},{"internalType":"uint256","name":"minPoolAmountOut","type":"uint256"}],"name":"joinswapExternAmountIn","outputs":[{"internalType":"uint256","name":"poolAmountOut","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"uint256","name":"poolAmountOut","type":"uint256"},{"internalType":"uint256","name":"maxAmountIn","type":"uint256"}],"name":"joinswapPoolAmountOut","outputs":[{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"denorm","type":"uint256"}],"name":"rebind","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"manager","type":"address"}],"name":"setController","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bool","name":"public_","type":"bool"}],"name":"setPublicSwap","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"swapFee","type":"uint256"}],"name":"setSwapFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"},{"internalType":"address","name":"tokenOut","type":"address"},{"internalType":"uint256","name":"minAmountOut","type":"uint256"},{"internalType":"uint256","name":"maxPrice","type":"uint256"}],"name":"swapExactAmountIn","outputs":[{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"},{"internalType":"uint256","name":"spotPriceAfter","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"uint256","name":"maxAmountIn","type":"uint256"},{"internalType":"address","name":"tokenOut","type":"address"},{"internalType":"uint256","name":"tokenAmountOut","type":"uint256"},{"internalType":"uint256","name":"maxPrice","type":"uint256"}],"name":"swapExactAmountOut","outputs":[{"internalType":"uint256","name":"tokenAmountIn","type":"uint256"},{"internalType":"uint256","name":"spotPriceAfter","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"src","type":"address"},{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"unbind","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]'
);

const BACTIONS_ADDRESS = "0x2FCc6f96418764439f8Dc26aF559Ed5CdDAeefaC";

// NOTE: CRP has the same address as the Token for whatever reason
// CRP: Configurable rights pool
const DFX_EURS_USDC_POOL_ADDRESS = "0x249dda6b483F3fde86cd1937E825f0901c1151f3";
const DFX_EURS_USDC_CRP_ADDRESS = "0x20ded7f6f8dbb6c1cc989fc923fb180142ee0144";

const TOKENS = {
  XSGD: {
    address: "0x70e8de73ce538da2beed35d14187f6959a8eca96",
    masterMinter: "0x8c3b0cAeC968b2e640D96Ff0B4c929D233B25982",
    decimals: 6,
  },
  EURS: {
    address: "0xdB25f211AB05b1c97D595516F45794528a807ad8",
    owner: "0x2ebbbc541e8f8f24386fa319c79ceda0579f1efb",
    decimals: 2,
  },
  CADC: {
    address: "0xcadc0acd4b445166f12d2c07eac6e2544fbe2eef",
    owner: "0xa0f5c8e8bcbdf066643c2ea8484cba7a3aff01f9",
    decimals: 18,
  },
  USDC: {
    address: "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
    owner: "0xfcb19e6a322b27c06842a71e8c725399f049ae3a",
    decimals: 6,
  },
};

const BNtoFloat = (bn, decimals = 18) => {
  return parseFloat(formatUnits(bn, decimals));
};

const sendETH = async (address, amount = 0.1) => {
  const signer = await provider.getSigner(0);
  await signer.sendTransaction({
    to: address,
    value: parseUnits(amount.toString(), 18),
  });
};

const unlockAccountAndGetSigner = async (address) => {
  await provider.send("hardhat_impersonateAccount", [address]);

  return provider.getSigner(address);
};

const mintXSGD = async (recipient, amount) => {
  // Send minter some ETH
  await sendETH(TOKENS.XSGD.masterMinter);

  const owner = await unlockAccountAndGetSigner(TOKENS.XSGD.masterMinter);
  const XSGD = new ethers.Contract(TOKENS.XSGD.address, FiatTokenV1ABI, owner);

  await XSGD.increaseMinterAllowance(TOKENS.XSGD.masterMinter, amount);
  await XSGD.mint(recipient, amount);
};

const mintFiatTokenV2 = async ({
  ownerAddress,
  tokenAddress,
  recipient,
  amount,
}) => {
  // Send owner some ETH
  await sendETH(ownerAddress);

  const minter = await provider.getSigner(8);
  const minterAddress = await minter.getAddress();

  const owner = await unlockAccountAndGetSigner(ownerAddress);
  const FiatTokenV2 = new ethers.Contract(tokenAddress, FiatTokenV2ABI, owner);

  await FiatTokenV2.updateMasterMinter(minterAddress);
  await FiatTokenV2.connect(minter).configureMinter(minterAddress, amount);
  await FiatTokenV2.connect(minter).mint(recipient, amount);
};

const mintCADC = async (recipient, amount) => {
  await mintFiatTokenV2({
    ownerAddress: TOKENS.CADC.owner,
    tokenAddress: TOKENS.CADC.address,
    recipient,
    amount,
  });
};

const mintUSDC = async (recipient, amount) => {
  await mintFiatTokenV2({
    ownerAddress: TOKENS.USDC.owner,
    tokenAddress: TOKENS.USDC.address,
    recipient,
    amount,
  });
};

const mintEURS = async (recipient, amount) => {
  // Send minter some ETH
  await sendETH(TOKENS.EURS.owner);

  const owner = await unlockAccountAndGetSigner(TOKENS.EURS.owner);
  const EURS = new ethers.Contract(TOKENS.EURS.address, EURSABI, owner);

  // Function is payable so need value: 0
  await EURS.createTokens(amount, { value: 0 });
  await EURS.transfer(recipient, amount);
};

// Join smart pool
const supplySmartPoolLiquidity = async ({
  user,
  poolAddress,
  crpAddress,
  maxAmountsIn,
}) => {
  const BActions = new ethers.Contract(BACTIONS_ADDRESS, BActionABI, user);

  // Get token supply of CRP tokens
  const CRPToken = new ethers.Contract(crpAddress, CRPAbi, provider);
  const crpTotalSupply = await CRPToken.totalSupply();

  // We assume there's only two tokens
  const Pool = new ethers.Contract(poolAddress, BPoolABI, provider);
  const [token0] = await Pool.getCurrentTokens();

  // Get the balance of the pool
  const Token = new ethers.Contract(
    ethers.constants.AddressZero,
    FiatTokenV2ABI,
    provider
  );
  const token0Suppllied = await Token.attach(token0).balanceOf(poolAddress);
  const token0Decimal = await Token.attach(token0).decimals();
  const token0DecimalNum = parseInt(token0Decimal.toString());

  // Calculate poolOut given inputs (5% margin)
  const ratio =
    BNtoFloat(maxAmountsIn[0], token0DecimalNum) /
    BNtoFloat(token0Suppllied, token0DecimalNum);
  const poolAmountOut = parseUnits(
    ((ratio * BNtoFloat(crpTotalSupply) * 95) / 100).toString(),
    18
  );

  await BActions.joinSmartPool(crpAddress, poolAmountOut, maxAmountsIn);
};

const main = async () => {
  const user = await provider.getSigner(0);
  const userAddress = await user.getAddress();

  const EURS = new ethers.Contract(TOKENS.EURS.address, EURSABI, user);
  const XSGD = new ethers.Contract(TOKENS.XSGD.address, FiatTokenV1ABI, user);
  const CADC = new ethers.Contract(TOKENS.CADC.address, FiatTokenV2ABI, user);
  const USDC = new ethers.Contract(TOKENS.USDC.address, FiatTokenV2ABI, user);

  const DFX_EURS_LP = new ethers.Contract(
    DFX_EURS_USDC_CRP_ADDRESS,
    FiatTokenV2ABI,
    user
  );

  // Mint tokens
  await mintEURS(userAddress, parseUnits("100", TOKENS.EURS.decimals));
  await mintXSGD(userAddress, parseUnits("101", TOKENS.XSGD.decimals));
  await mintCADC(userAddress, parseUnits("102", TOKENS.CADC.decimals));
  await mintUSDC(userAddress, parseUnits("103", TOKENS.USDC.decimals));

  // Check balance
  console.log(
    "EURS Balance: ",
    formatUnits(await EURS.balanceOf(userAddress), TOKENS.EURS.decimals)
  );

  console.log(
    "XSGD Balance: ",
    formatUnits(await XSGD.balanceOf(userAddress), TOKENS.XSGD.decimals)
  );

  console.log(
    "CADC Balance: ",
    formatUnits(await CADC.balanceOf(userAddress), TOKENS.CADC.decimals)
  );

  console.log(
    "USDC Balance: ",
    formatUnits(await USDC.balanceOf(userAddress), TOKENS.USDC.decimals)
  );

  // Supply to balancer (EURS-USDC pool)
  // Note the token order
  console.log('DFX EURS LP Token Balance: ', formatUnits(await DFX_EURS_LP.balanceOf(userAddress), 18))
  console.log('Supplying tokens to balancer....')
  await EURS.approve(BACTIONS_ADDRESS, ethers.constants.MaxUint256);
  await USDC.approve(BACTIONS_ADDRESS, ethers.constants.MaxUint256);
  await supplySmartPoolLiquidity({
    user,
    poolAddress: DFX_EURS_USDC_POOL_ADDRESS,
    crpAddress: DFX_EURS_USDC_CRP_ADDRESS,
    maxAmountsIn: [ // Order matters you can use `getCurrentTokens` on the pool to get the order of the tokens
      parseUnits("1", TOKENS.EURS.decimals), // EUR
      parseUnits("2", TOKENS.USDC.decimals), // USDC
    ],
  });
  console.log('Supplied')
  console.log('DFX EURS LP Token Balance: ', formatUnits(await DFX_EURS_LP.balanceOf(userAddress), 18))
};

main();

update-swap-fee.js

const { parseEther } = require("ethers/lib/utils");
const { ethers } = require("hardhat");
const { provider } = ethers;
const { parseUnits, formatUnits } = ethers.utils;

const PoolAbi = 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const CRPAbi =
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const DFX_XSGD_USDC_POOL_ADDRESS = "0x78c281090399ebc2d720595654b908ed31cd8bcb";
const DFX_XSGD_USDC_CRP_ADDRESS = "0x1d55fb62451d36448b0f4fc4a0ff1b6e2ce9cef7";

const CONTROLLER_ADDRESS = "0x27e843260c71443b4cc8cb6bf226c3f77b9695af";

const unlockAccountAndGetSigner = async (address) => {
  await provider.send("hardhat_impersonateAccount", [address]);

  return provider.getSigner(address);
};

const main = async () => {
  const signer = await provider.getSigner(0);
  await signer.sendTransaction({
    to: CONTROLLER_ADDRESS,
    value: parseUnits("1", 18),
  });

  const controller = await unlockAccountAndGetSigner(CONTROLLER_ADDRESS);

  const Pool = new ethers.Contract(
    DFX_XSGD_USDC_POOL_ADDRESS,
    PoolAbi,
    controller
  );

  const CRPPool = new ethers.Contract(
    DFX_XSGD_USDC_CRP_ADDRESS,
    CRPAbi,
    controller
  );
  await CRPPool.setSwapFee(parseEther("0.0015"));

  console.log("fee", formatUnits(await Pool.getSwapFee()));
};

main();