Name
thena-swap交易类库
Author
小小梦
Strategy Description
参考Uniswap V3 交易类库编写，地址：https://www.fmz.com/strategy/397260
thena是BSC链上的一个DEX。
该交易类库仅用于学习、研究，实际使用请自行修改、扩展。
Source (javascript)
var AbiPair = 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var AbiPairFactoryUpgradeable = `[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","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":"token0","type":"address"},{"indexed":true,"internalType":"address","name":"token1","type":"address"},{"indexed":false,"internalType":"bool","name":"stable","type":"bool"},{"indexed":false,"internalType":"address","name":"pair","type":"address"},{"indexed":false,"internalType":"uint256","name":"","type":"uint256"}],"name":"PairCreated","type":"event"},{"inputs":[],"name":"MAX_FEE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_REFERRAL_FEE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptFeeManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"allPairs","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allPairsLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"name":"createPair","outputs":[{"internalType":"address","name":"pair","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"dibs","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_stable","type":"bool"}],"name":"getFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getInitializable","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"bool","name":"","type":"bool"}],"name":"getPair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isPair","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pairCodeHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"pairs","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingFeeManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_dibs","type":"address"}],"name":"setDibs","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_stable","type":"bool"},{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeManager","type":"address"}],"name":"setFeeManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setPause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_refFee","type":"uint256"}],"name":"setReferralFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feehandler","type":"address"}],"name":"setStakingFeeAddress","outputs":[],"stateMut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var AbiRouterV2 = `[{"inputs":[{"internalType":"address","name":"_factory","type":"address"},{"internalType":"address","name":"_wETH","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0In","type":"uint256"},{"indexed":false,"internalType":"address","name":"_tokenIn","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"bool","name":"stable","type":"bool"}],"name":"Swap","type":"event"},{"inputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"internalType":"struct RouterV2.route[]","name":"routes","type":"tuple[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"UNSAFE_swapExactTokensForTokens","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"amountADesired","type":"uint256"},{"internalType":"uint256","name":"amountBDesired","type":"uint256"},{"internalType":"uint256","name":"amountAMin","type":"uint256"},{"internalType":"uint256","name":"amountBMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"uint256","name":"liquidity","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"amountTokenDesired","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"addLiquidityETH","outputs":[{"internalType":"uint256","name":"amountToken","type":"uint256"},{"internalType":"uint256","name":"amountETH","type":"uint256"},{"internalType":"uint256","name":"liquidity","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"address","name":"tokenOut","type":"address"}],"name":"getAmountOut","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bool","name":"stable","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"internalType":"struct RouterV2.route[]","name":"routes","type":"tuple[]"}],"name":"getAmountsOut","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"name":"getReserves","outputs":[{"internalType":"uint256","name":"reserveA","type":"uint256"},{"internalType":"uint256","name":"reserveB","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pair","type":"address"}],"name":"isPair","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"name":"pairFor","outputs":[{"internalType":"address","name":"pair","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"amountADesired","type":"uint256"},{"internalType":"uint256","name":"amountBDesired","type":"uint256"}],"name":"quoteAddLiquidity","outputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"uint256","name":"liquidity","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"liquidity","type":"uint256"}],"name":"quoteRemoveLiquidity","outputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountAMin","type":"uint256"},{"internalType":"uint256","name":"amountBMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"removeLiquidityETH","outputs":[{"internalType":"uint256","name":"amountToken","type":"uint256"},{"internalType":"uint256","name":"amountETH","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"removeLiquidityETHSupportingFeeOnTransferTokens","outputs":[{"internalType":"uint256","name":"amountToken","type":"uint256"},{"internalType":"uint256","name":"amountETH","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bool","name":"approveMax","type":"bool"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"removeLiquidityETHWithPermit","outputs":[{"internalType":"uint256","name":"amountToken","type":"uint256"},{"internalType":"uint256","name":"amountETH","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountTokenMin","type":"uint256"},{"internalType":"uint256","name":"amountETHMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bool","name":"approveMax","type":"bool"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"removeLiquidityETHWithPermitSupportingFeeOnTransferTokens","outputs":[{"internalType":"uint256","name":"amountToken","type":"uint256"},{"internalType":"uint256","name":"amountETH","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"uint256","name":"liquidity","type":"uint256"},{"internalType":"uint256","name":"amountAMin","type":"uint256"},{"internalType":"uint256","name":"amountBMin","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bool","name":"approveMax","type":"bool"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"removeLiquidityWithPermit","outputs":[{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"}],"name":"sortTokens","outputs":[{"internalType":"address","name":"token0","type":"address"},{"internalType":"address","name":"token1","type":"address"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"internalType":"struct RouterV2.route[]","name":"routes","type":"tuple[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactETHForTokens","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"internalType":"struct RouterV2.route[]","name":"routes","type":"tuple[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactETHForTokensSupportingFeeOnTransferTokens","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"internalType":"struct RouterV2.route[]","name":"routes","type":"tuple[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForETH","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"internalType":"struct RouterV2.route[]","name":"routes","type":"tuple[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForETHSupportingFeeOnTransferTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"internalType":"struct RouterV2.route[]","name":"routes","type":"tuple[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForTokens","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"address","name":"tokenFrom","type":"address"},{"internalType":"address","name":"tokenTo","type":"address"},{"internalType":"bool","name":"stable","type":"bool"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForTokensSimple","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bool","name":"stable","type":"bool"}],"internalType":"struct RouterV2.route[]","name":"routes","type":"tuple[]"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapExactTokensForTokensSupportingFeeOnTransferTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"wETH","outputs":[{"internalType":"contract IWETH","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]`
var AbiWBNB = `[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"guy","type":"address"},{"name":"wad","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"src","type":"address"},{"name":"dst","type":"address"},{"name":"wad","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"wad","type":"uint256"}],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"dst","type":"address"},{"name":"wad","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"deposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"src","type":"address"},{"indexed":true,"name":"guy","type":"address"},{"indexed":false,"name":"wad","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"src","type":"address"},{"indexed":true,"name":"dst","type":"address"},{"indexed":false,"name":"wad","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"dst","type":"address"},{"indexed":false,"name":"wad","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"src","type":"address"},{"indexed":false,"name":"wad","type":"uint256"}],"name":"Withdrawal","type":"event"}]`
var PairFactoryUpgradeable = "0xAFD89d21BdB66d00817d4153E055830B1c2B3970"
var RouterV2 = "0xd4ae6eCA985340Dd434D38F470aCCce4DC78D109"
function toAmount(s, decimals) {
return Number((BigDecimal(BigInt(s))/BigDecimal(Math.pow(10, decimals))).toString())
}
function toInnerAmount(n, decimals) {
return (BigDecimal(n)*BigDecimal(Math.pow(10,decimals))).toFixed(0)
}
$.NewThena = function(e) {
e = e || exchange
if (e.GetName() !== 'Web3') {
panic("only support Web3 exchange")
}
var self = {
tokenInfo: {},
walletAddress: e.IO("address"),
pair: {}
}
// register
e.IO("abi", PairFactoryUpgradeable, AbiPairFactoryUpgradeable)
e.IO("abi", RouterV2, AbiRouterV2)
e.IO("abi", "0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c", AbiWBNB)
self.addToken = function(name, address, abiContent) {
// 注册
if (typeof(abiContent) == "String") {
e.IO("abi", address, abiContent)
}
var ret = e.IO("api", address, "decimals")
if (!ret) {
throw "get token decimals failed"
}
var decimals = Number(ret)
self.tokenInfo[name] = {
name: name,
decimals: decimals,
address: address
}
Log(self.tokenInfo[name])
// 验证
var symbol = e.IO("api", address, "symbol")
if (name == "BNB") {
name = "WBNB"
}
if (symbol != name) {
throw "name error, symbol:" + symbol + ", name:" + name
}
}
self.waitMined = function(tx) {
while (true) {
Sleep(1000)
var info = e.IO("api", "eth", "eth_getTransactionReceipt", tx)
if (info && info.gasUsed) {
return true
}
Log('Transaction not yet mined', tx)
}
}
self.swapToken = function(tokenIn, amount, tokenOut, options) {
var tokenInInfo = self.tokenInfo[tokenIn]
var tokenOutInfo = self.tokenInfo[tokenOut]
if (!tokenInInfo || !tokenOutInfo) {
Log("tokenInInfo:", tokenInInfo, ", tokenOutInfo:", tokenOutInfo)
throw "not found token info"
}
var amountIn = toInnerAmount(amount, tokenInInfo.decimals)
var recipientAddress = self.walletAddress
// BNB -> WBNB : deposit
if (tokenIn == "BNB" && tokenOut == "WBNB") {
var tx = e.IO("api", "0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c", "deposit", amountIn)
if (tx) {
Log("tx: ", tx)
self.waitMined(tx)
return true
} else {
Log("deposit error")
return false
}
} else if (tokenIn == "WBNB" && tokenOut == "BNB") {
// WBNB -> BNB : withdraw
var tx = e.IO("api", "0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c", "withdraw", amountIn)
if (tx) {
Log("tx: ", tx)
self.waitMined(tx)
return true
} else {
Log("withdraw error")
return false
}
}
var tupleRouterV2 = {
from : tokenInInfo.address,
to : tokenOutInfo.address,
stable : false
}
// getAmountOut
var dicAmountOut = e.IO("api", RouterV2, "getAmountOut", amountIn, tokenInInfo.address, tokenOutInfo.address)
if (!dicAmountOut || typeof(dicAmountOut["amount"]) == "undefined") {
return null
}
var amountOut = toAmount(Number(dicAmountOut.amount) * 0.95, tokenOutInfo.decimals)
// approve
if (tokenIn != "BNB") {
var allowanceAmount = e.IO("api", tokenInInfo.address, "allowance", self.walletAddress, RouterV2)
var realAmount = toAmount(allowanceAmount, tokenInInfo.decimals)
if (realAmount < toAmount(amountIn, tokenInInfo.decimals)) {
Log("realAmount is", realAmount, "too small, try to approve large amount")
var txApprove = e.IO("api", tokenInInfo.address, "approve", RouterV2, '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff')
if (!txApprove) {
throw "approve error"
}
Log("wait approve", txApprove)
self.waitMined(txApprove)
Log("approve success amountIn", amountIn)
} else {
Log("allowance", realAmount, "no need to approve")
}
}
// swap
var tx = null
if (tokenIn == "BNB") {
tx = e.IO("api", RouterV2, "swapExactETHForTokens", amountIn, amountOut, [tupleRouterV2], recipientAddress, (new Date().getTime() / 1000) + 60 * 20, options || {})
} else if (tokenOut == "BNB") {
tx = e.IO("api", RouterV2, "swapExactTokensForETH", amountIn, amountOut, [tupleRouterV2], recipientAddress, (new Date().getTime() / 1000) + 60 * 20, options || {})
} else {
tx = e.IO("api", RouterV2, "swapExactTokensForTokens", amountIn, amountOut, [tupleRouterV2], recipientAddress, (new Date().getTime() / 1000) + 60 * 20, options || {})
}
if (tx) {
Log("tx: ", tx)
self.waitMined(tx)
Log("swap", tokenInInfo.name, "to", tokenOutInfo.name, "tupleRouterV2:", tupleRouterV2, "success")
return true
} else {
Log("trans error")
return false
}
}
self.getBNBBalance = function(address) {
return toAmount(e.IO("api", "eth", "eth_getBalance", address || self.walletAddress, "latest"), 18)
}
self.balanceOf = function(token, address) {
var tokenInfo = self.tokenInfo[token]
if (!tokenInfo) {
throw "not found token info " + token
}
return toAmount(e.IO("api", tokenInfo.address, "balanceOf", address || self.walletAddress), tokenInfo.decimals)
}
self.getPrice = function(pair, isStable, tradeType, amount) {
// isStable : true -> Stable AMM , false -> Volatile AMM
// get token0 and token1
var arr = pair.split('_')
if (arr.length != 2) {
throw "pair:" + pair + " is invalid"
}
var token0 = self.tokenInfo[arr[0]]
var token1 = self.tokenInfo[arr[1]]
if (!token0 || !token1) {
Log("token0:", arr[0], ", token1:", arr[1])
throw "token not found"
}
// tokenIn , tokenOut
if (typeof(tradeType) == "undefined") {
tradeType = "buy"
}
if (typeof(amount) == "undefined") {
amount = 1
}
var tokenIn
var tokenOut
if (tradeType == "buy") {
tokenIn = token1
tokenOut = token0
} else if (tradeType == "sell") {
tokenIn = token0
tokenOut = token1
} else {
throw "tradeType error, tradeType:" + tradeType
}
var amountIn = toInnerAmount(amount, tokenIn.decimals)
/* Pair : getAmountOut
// getPair and register
var key = token0.address + "/" + token1.address
var keyReverse = token1.address + "/" + token0.address
if (typeof(self.pair[key]) == "undefined" && typeof(self.pair[keyReverse]) == "undefined") {
var pairAddress = e.IO("api", PairFactoryUpgradeable, "getPair", token0.address, token1.address, isStable)
if (pairAddress) {
self.pair[key] = pairAddress
self.pair[keyReverse] = pairAddress
e.IO("abi", pairAddress, AbiPair)
}
}
var pairAddress = self.pair[key] || self.pair[keyReverse]
if (typeof(pairAddress) == "undefined") {
throw "pair: " + pair + " not found"
}
var amountOut = e.IO("api", pairAddress, "getAmountOut", amountIn, tokenIn.address)
if (!amountOut) {
return null
}
var stable = isStable
*/
// RouterV2 : getAmountOut , ret : {"amount":"1486089554681182","stable":"false"}
var dicAmountOut = e.IO("api", RouterV2, "getAmountOut", amountIn, tokenIn.address, tokenOut.address)
if (!dicAmountOut || typeof(dicAmountOut["amount"]) == "undefined") {
return null
}
var amountOut = Number(dicAmountOut.amount)
var stable = dicAmountOut["stable"]
// price
var price = tradeType == "buy" ? amount / toAmount(amountOut, tokenOut.decimals) : toAmount(amountOut, tokenOut.decimals) / amount
return {"price": price, "stable": stable}
}
return self
}
$.testThena = function() {
var ex = $.NewThena()
Log("walletAddress: ", ex.walletAddress)
var tokenAddressMap = {
"BUSD" : "0xe9e7cea3dedca5984780bafc599bd69add087d56",
"USDC" : "0x8ac76a51cc950d9822d68b83fe1ad97b32cd580d",
"BNB" : "0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c", // WBNB
"WBNB" : "0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c", // BNB
"THE" : "0xf4c8e32eadec4bfe97e0f595add0f4450a863a11",
"USDT" : "0x55d398326f99059ff775485246999027b3197955",
"ANKR" : "0xf307910A4c7bbc79691fD374889b36d8531B08e3",
}
for (var name in tokenAddressMap) {
ex.addToken(name, tokenAddressMap[name])
}
// balance
Log("BNB balance:", ex.getBNBBalance())
Log("THE balance:", ex.balanceOf("THE"))
Log("WBNB balance:", ex.balanceOf("WBNB"))
Log("BUSD balance:", ex.balanceOf("BUSD"))
// price
// var pair = "BNB_THE"
// Log(pair, "buy :", ex.getPrice(pair, false, "buy")) // 买入时，交易对为BNB_THE，意思为用THE来买入BNB
// Log(pair, "sell :", ex.getPrice(pair, false, "sell")) // 卖出时
// swap
// Log(ex.swapToken("BNB", 0.01, "THE"))
// Log(ex.swapToken("THE", 11.1, "BNB"))
// Log(ex.swapToken("THE", 5, "BUSD"))
// Log(ex.swapToken("BUSD", 3.61, "BNB", {gasPrice: 5000000000, gasLimit: 351049}))
// Log(ex.swapToken("BNB", 0.01, "USDT"))
// Log(ex.swapToken("USDT", 3.14, "BNB"))
// Log(ex.swapToken("BNB", 0.002, "WBNB"))
// Log(ex.swapToken("WBNB", 0.002, "BNB"))
// Log(ex.swapToken("WBNB", 0.002, "BUSD"))
// Log(ex.swapToken("WBNB", 0.001, "ANKR"))
}
function main() {
$.testThena()
}Detail
https://www.fmz.com/strategy/399820
Last Modified
2023-02-27 22:54:21