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SDK Swap

// Base code block
import { GenSdk } from '@gen-io/gen-sdk';
const genSdk = new GenSdk()
const { api, swapSdk, config } =genSdk

Available public chain

eth,ropsten,rinkeby,bsc,solana,polygon,avax,fantom,arbitrum,terra,xdai,boba,ont,tron,heco,okex,optimism,harmony,dot,neo,aurora,cronos,moonriver,bsctest

connectWallet

Each chain can use a different wallet, which needs to be found in config.chains.chainList[n].wallets
let { wallet, chain } = await swapSdk.connectWallet({
chain: 'bsc',
walletName: 'MetaMask'
})

getGas

let swapData = await swapSdk.swapQuote({
chain: 'bsc',
dex: 'openOcean',
inTokenAddress: '0x55d398326f99059ff775485246999027b3197955',
outTokenAddress: '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE',
amount: '0.1',
gasPrice: gasPrice.data.gasPrice,
slippage: 10,
account: '0x9548f567Aa2bf71a6691B634F9808346C804c0D0',
})
const result = await swapSdk.getGas(swapData);

getBalance

let result =await swapSdk.getBalance({
account: swapSdk.wallet.address,
chain: swapSdk.chain.key,
tokenAddressOrSymbol: '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE',
decimals: 18,
})

getAllowance

let result =await swapSdk.getAllowance({
account: '0x9548f567Aa2bf71a6691B634F9808346C804c0D0',
chain: 'bsc',
tokenAddress: '0x55d398326f99059fF775485246999027B3197955',
approveContract: '0x6352a56caadc4f1e25cd6c75970fa768a3304e64',
decimals: 18
})

getChain

let activeWallet = await swapSdk.getWallet()

getWallet

let activeChain = await swapSdk.getChain()

swapQuote

dex: 1inch,matcha、openocean、jupiter
let swapData = await swapSdk.swapQuote({
chain: 'bsc',
dex: 'openOcean',
inTokenAddress: '0x55d398326f99059ff775485246999027b3197955',
outTokenAddress: '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE',
amount: '0.1',
gasPrice: 5,
slippage: 10,
account: '0x9548f567Aa2bf71a6691B634F9808346C804c0D0',
})

approve

approve requires checking whether the connectWallet
let approve = await swapSdk.approve({
chain: 'ropsten',
tokenAddress: '0x01BE23585060835E02B77ef475b0Cc51aA1e0709',
contractAddress: '0x40d3b2f06f198d2b789b823cdbecd1db78090d74',
amount: 2 * (10 ** 18),
})
if (!approve.code) {
approve.on('error', (error) => {
console.log(error)
})
.on('transactionHash', (hash) => {
console.log(hash)
})
.on('receipt', (data) => {
console.log(data)
})
.on('success', (data) => {
console.log(data)
})
} else {
console.log(approve.message)
}

swap

swap requires checking whether the connectWallet
let swapData = await swapSdk.swapQuote({
chain: 'bsc',
dex: 'openOcean',
inTokenAddress: '0x55d398326f99059ff775485246999027b3197955',
outTokenAddress: '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE',
amount: '0.1',
gasPrice: 50,
slippage: 3,
account: 'The address of your wallet',
})
swapSdk.swap(swapData.data)
.on('error', (error) => {
// error
})
.on('transactionHash', (hash) => {
// transactionHash
})
.on('receipt', (data) => {
// receipt
})
.on('success', (data) => {
// success
})