“type”:“function”},{“inputs”:[{“internalType”:“uint24”,“name”:"",“type”:“uint24”}],“name”:“feeAmountTickSpacing”,“outputs”:[{“internalType”:“int24”,“name”:"",“type”:“int24”}],“stateMutability”:“view”,“type”:“function”},{“inputs”:[{“internalType”:“address”,“name”:"",“type”:“address”},{“internalType”:“address”,“name”:"",“type”:“address”},{“internalType”:“uint24”,“name”:"",“type”:“uint24”}],“name”:“getPool”,“outputs”:[{“internalType”:“address”,“name”:"",“type”:“address”}],“stateMutability”:“view”,“type”:“function”},{“inputs”:[],“name”:“owner”,“outputs”:[{“internalType”:“address”,“name”:"",“type”:“address”}],“stateMutability”:“view”,“type”:“function”},{“inputs”:[],“name”:“parameters”,“outputs”:[{“internalType”:“address”,“name”:“factory”,“type”:“address”},{“internalType”:“address”,“name”:“token0”,“type”:“address”},{“internalType”:“address”,“name”:“token1”,“type”:“address”},{“internalType”:“uint24”,“name”:“fee”,“type”:“uint24”},{“internalType”:“int24”,“name”:“tickSpacing”,“type”:“int24”}],“stateMutability”:“view”,“type”:“function”},{“inputs”:[{“internalType”:“address”,“name”:"_owner",“type”:“address”}],“name”:“setOwner”,“outputs”:[],“stateMutability”:“nonpayable”,“type”:“function”}]’
// Uniswap contract address const UniswapV3RouterAddress = “0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45” const ContractV3Factory = “0x1F98431c8aD98523631AE4a59f267346ea31F984”
// common constant const ZERO = BigInt(0) const TWO = BigInt(2) const Q96 = (TWO ** BigInt(96)) const Q128 = (TWO ** BigInt(128)) const Q192 = (TWO ** BigInt(96)) ** TWO const Q256 = (TWO ** BigInt(256))
// Convert to readable amount function toAmount(s, decimals) { return Number((BigDecimal(BigInt(s)) / BigDecimal(Math.pow(10, decimals))).toString()) }
// Reverse conversion from readable amount to amount used for passing parameters and calculations function toInnerAmount(n, decimals) { return (BigDecimal(n) * BigDecimal(Math.pow(10, decimals))).toFixed(0) }
function subIn256(x, y){ var difference = x - y if (difference < ZERO) { return Q256 + difference } else { return difference } }
// Record information about tokens queried through coingecko.com var tokens = [] function init() { var res = JSON.parse(HttpQuery(“https://tokens.coingecko.com/uniswap/all.json”)) Log(“fetch”, res.tokens.length, “tokens from”, res.name) _.each(res.tokens, function(token) { tokens.push({ name : token.name, symbol : token.symbol, decimals : token.decimals, address : token.address }) }) Log(“tokens:”, tokens) }
function main(){ // The address of the wallet to be searched // const walletAddress = exchange.IO("address") const walletAddress = “0x28df8b987BE232bA33FdFB8Fc5058C1592A3db26”
// Get the address of Uniswap V3's positionManager contract
exchange.IO("abi", UniswapV3RouterAddress, ABI_UniswapV3Router)
const NonfungiblePositionManagerAddress = exchange.IO("api", UniswapV3RouterAddress, "positionManager")
Log("NonfungiblePositionManagerAddress:", NonfungiblePositionManagerAddress)
// Register ABI for positionManager contracts
exchange.IO("abi", NonfungiblePositionManagerAddress, ABI_NonfungiblePositionManager)
// Query the number of Uniswap V3 positions NFT owned by the current account
var nftBalance = exchange.IO("api", NonfungiblePositionManagerAddress, "balanceOf", walletAddress)
Log("nftBalance:", nftBalance)
// Query the TokenId of these NFTs
var nftTokenIds = []
for (var i = 0 ; i < nftBalance; i++) {
var nftTokenId = exchange.IO("api", NonfungiblePositionManagerAddress, "tokenOfOwnerByIndex", walletAddress, i)
nftTokenIds.push(nftTokenId)
Log("nftTokenId:", nftTokenId)
}
// Query liquidity position details based on the tokenId of the positions NFT
var positions = []
for (var i = 0; i < nftTokenIds.length; i++) {
var pos = exchange.IO("api", NonfungiblePositionManagerAddress, "positions", nftTokenIds[i])
Log("pos:", pos)
// Parsing position data
positions.push(getFees(pos))
}
var tbl = {
type : "table",
title : "LP-Fees",
cols : ["token0", "token1", "fee", "token0Fee", "token1Fee"],
rows : positions
}
LogStatus("`" + JSON.stringify(tbl) + "`")
}
function getFees(posData) { var token0Symbol = null var token1Symbol = null for (var i in tokens) { if (tokens[i].address.toLowerCase() == posData.token0.toLowerCase()) { token0Symbol = tokens[i] } else if (tokens[i].address.toLowerCase() == posData.token1.toLowerCase()) { token1Symbol = tokens[i] } }
if (!token0Symbol || !token1Symbol) {
Log("token0Symbol:", token0Symbol, ", token1Symbol:", token1Symbol)
throw "token not found"
}
// get Pool
var token0Address = token0Symbol.address
var token1Address = token1Symbol.address
if (BigInt(token0Address) > BigInt(token1Address)) {
var tmp = token0Address
token0Address = token1Address
token1Address = tmp
}
// Registered factory contract ABI
exchange.IO("abi", ContractV3Factory, ABI_Factory)
// Call the getPool method of the factory contract to get the pool address
var poolAddress = exchange.IO("api", ContractV3Factory, "getPool", token0Address, token1Address, posData.fee)
if (!poolAddress) {
throw "getPool failed"
}
Log("poolAddress:", poolAddress)
// ABI for registered pool contracts
exchange.IO("abi", poolAddress, ABI_Pool)
// Get the slot0 data in the exchange pool
var slot0 = exchange.IO("api", poolAddress, "slot0")
if (!slot0) {
throw "get slot0 failed"
}
// feeGrowthGlobal0X128 , feeGrowthGlobal1X128
var feeGrowthGlobal0 = exchange.IO("api", poolAddress, "feeGrowthGlobal0X128")
var feeGrowthGlobal1 = exchange.IO("api", poolAddress, "feeGrowthGlobal1X128")
if (!feeGrowthGlobal0 || !feeGrowthGlobal1) {
throw "get feeGrowthGlobal failed"
}
// Call the ticks method of the pool contract by taking tickLower , tickUpper from posData as parameters
var tickLow = exchange.IO("api", poolAddress, "ticks", posData.tickLower)
var tickHigh = exchange.IO("api", poolAddress, "ticks", posData.tickUpper)
if (!tickLow || !tickHigh) {
throw "get tick failed"
}
// Obtain feeGrowthOutside0X128 and feeGrowthOutside1X128 data for tickeLow and tickeHigh
var feeGrowth0Low = tickLow.feeGrowthOutside0X128
var feeGrowth0Hi = tickHigh.feeGrowthOutside0X128
var feeGrowth1Low = tickLow.feeGrowthOutside1X128
var feeGrowth1Hi = tickHigh.feeGrowthOutside1X128
// feeGrowthInside0 feeGrowthInside1
var feeGrowthInside0 = posData.feeGrowthInside0LastX128
var feeGrowthInside1 = posData.feeGrowthInside1LastX128
var liquidity = BigInt(posData.liquidity)
var tickLow = parseInt(posData.tickLower)
var tickHigh = parseInt(posData.tickUpper)
var tickCurrent = parseInt(slot0.tick)
var decimal0 = token0Symbol.decimals
var decimal1 = token1Symbol.decimals
// Converted to a BigInt type for calculating the
var feeGrowthGlobal_0 = BigInt(feeGrowthGlobal0)
var feeGrowthGlobal_1 = BigInt(feeGrowthGlobal1)
var tickLowerFeeGrowthOutside_0 = BigInt(feeGrowth0Low)
var tickLowerFeeGrowthOutside_1 = BigInt(feeGrowth1Low)
var tickUpperFeeGrowthOutside_0 = BigInt(feeGrowth0Hi)
var tickUpperFeeGrowthOutside_1 = BigInt(feeGrowth1Hi)
var tickLowerFeeGrowthBelow_0 = ZERO
var tickLowerFeeGrowthBelow_1 = ZERO
var tickUpperFeeGrowthAbove_0 = ZERO
var tickUpperFeeGrowthAbove_1 = ZERO
if (tickCurrent >= tickHigh) {
tickUpperFeeGrowthAbove_0 = subIn256(feeGrowthGlobal_0, tickUpperFeeGrowthOutside_0)
tickUpperFeeGrowthAbove_1 = subIn256(feeGrowthGlobal_1, tickUpperFeeGrowthOutside_1)
} else {
tickUpperFeeGrowthAbove_0 = tickUpperFeeGrowthOutside_0
tickUpperFeeGrowthAbove_1 = tickUpperFeeGrowthOutside_1
}
if (tickCurrent >= tickLow) {
tickLowerFeeGrowthBelow_0 = tickLowerFeeGrowthOutside_0
tickLowerFeeGrowthBelow_1 = tickLowerFeeGrowthOutside_1
} else {
tickLowerFeeGrowthBelow_0 = subIn256(feeGrowthGlobal_0, tickLowerFeeGrowthOutside_0)
tickLowerFeeGrowthBelow_1 = subIn256(feeGrowthGlobal_1, tickLowerFeeGrowthOutside_1)
}
var fr_t1_0 = subIn256(subIn256(feeGrowthGlobal_0, tickLowerFeeGrowthBelow_0), tickUpperFeeGrowthAbove_0)
var fr_t1_1 = subIn256(subIn256(feeGrowthGlobal_1, tickLowerFeeGrowthBelow_1), tickUpperFeeGrowthAbove_1)
var feeGrowthInsideLast_0 = BigInt(feeGrowthInside0)
var feeGrowthInsideLast_1 = BigInt(feeGrowthInside1)
var uncollectedFees_0 = (liquidity * subIn256(fr_t1_0, feeGrowthInsideLast_0)) / Q128
var uncollectedFees_1 = (liquidity * subIn256(fr_t1_1, feeGrowthInsideLast_1)) / Q128
// Calculate the Fee to get token0 and token1
var token0Fee = toAmount(uncollectedFees_0, decimal0)
var token1Fee = toAmount(uncollectedFees_1, decimal1)
return [token0Symbol.symbol, token1Symbol.symbol, posData.fee / 10000 + "%", token0Fee, token1Fee]
}
In the next post, we will conduct an exploration of increasing mobility and decreasing mobility on Uniswap V3 DEX.