const DeskLayout = styled.div` height: 100vh; `; const Layout = styled.div` position: relative; width: 100%; background-color: #151718; border-radius: 10px; border: 1px solid #332c4b; color: #8c7ebd; background: linear-gradient(0deg, #161825, #161825), linear-gradient(0deg, #332c4b, #332c4b); input::-webkit-outer-spin-button, input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; } padding: 16px; display: flex; flex-direction: column; gap: 24px; .container { position: relative; display: flex; flex-direction: column; gap: 12px; padding: 0; } .container-button { position: relative; font-family: "Inter"; font-style: normal; font-weight: 600; font-size: 10px; line-height: 12px; cursor: pointer; } .separator { border: 1px solid rgba(255, 255, 255, 0.1); margin-left: 8px; margin-right: 8px; } .info { display: flex; flex-direction: column; gap: 12px; font-family: "Inter"; font-style: normal; font-weight: 400; font-size: 10px; line-height: 12px; list-style: none; padding: 0 8px 0 8px; margin: 0; display: flex; flex-direction: column; color: #fff; li { display: flex; justify-content: space-between; } .value { color: #ba90ff; font-weight: 600; } } `; const fkGantariFamily = fetch( "https://fonts.googleapis.com/css2?family=Gantari:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Noto+Sans+JP:wght@700&family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap" ).body; const arrowDown = ( <svg width="17" height="9" viewBox="0 0 17 9" fill="none" xmlns="http://www.w3.org/2000/svg" > <path d="M1 1L8.5 7.5L16 1" stroke="#8C7EBD" stroke-width="2" stroke-linecap="round" /> </svg> ); const ContainerNetwork = styled.div` display: flex; align-items: center; gap: 12px; `; const ArrowDownWrapper = styled.div` position: absolute; right: 16px; top: 18px; `; const NetworkList = styled.div` position: absolute; top: 0; left: 0; border-radius: 12px; width: 145px; background: #2d2f30; z-index: 10; box-shadow: inset 0px 0px 0px 1px #999; ul { display: flex; flex-direction: column; list-style: none; padding: 0; margin: 0; border-radius: 12px; } li { display: flex; justify-content: flex-start; align-items: center; padding: 4px 8px 4px 4px; gap: 4px; flex: 1; width: 100%; color: #fff; &:hover { color: #ccc; } } `; const BridgeContainer = styled.div` display: flex; align-items: center; padding: 16px; gap: 12px; position: relative; width: 100%; background: linear-gradient(0deg, #222436, #222436), linear-gradient(0deg, #332c4b, #332c4b); border-radius: 10px; border: 1px solid #332c4b; font-style: normal; font-size: 16px; color: #ffffff; :hover { cursor: pointer; } .token-container { display: flex; flex-direction: column; gap: 0; } `; const BridgeName = styled.div` font-size: 18px; font-weight: 500; color: white; line-height: 22px; `; const Input = styled.input` background: none; color: #fff; text-align: left; border: none; outline: none; font-style: normal; font-weight: 600; font-size: 26px; line-height: 19px; padding: 8px 0px 8px 8px; width: 100%; ::placeholder { color: #40435c; } `; const Seperator = styled.div` border: 1px solid #332c4b; height: 1px; width: 367px; position: absolute; bottom: 0px; `; const ActionButton = styled.button` background: #794fdd; border-radius: 4px; border: 0; font-family: "Inter"; font-style: normal; font-weight: 600; font-size: 18px; line-height: 17px; color: #fff; padding: 18px 12px; :disabled { opacity: 0.3; } `; const Alert = styled.div` position: absolute; color: red; z-index: 20; padding: 8px; font-family: "Inter"; font-style: normal; font-weight: 600; font-size: 12px; `; const Dialog = styled.div` position: absolute; right: 32px; left: 32px; top: 25%; background: #2d2f30; z-index: 10; box-shadow: inset 0px 0px 0px 1px #999; border-radius: 12px; padding: 16px 8px; font-family: "Inter"; font-style: normal; font-weight: 600; font-size: 14px; ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; } li { display: flex; justify-content: space-between; cursor: pointer; color: #fff; &:hover { color: #ccc; } } .token { display: flex; gap: 8px; align-items: center; } `; const DropDownContainer = styled.div` display: flex; padding: 16px 0px; gap: 8px; position: absolute; width: 100%; flex-direction: column; background: #373a53; border-radius: 16px; box-shadow: 0px 0px 16px 0px #00000040; top: 36px; left: 0px; z-index: 100; overflow: hidden; color: #ffffff; li { display: flex; align-items: center; gap: 12px; padding: 12px 16px; position: relative; :hover { background: rgba(24, 26, 39, 0.3); } } `; const SendWrapper = styled.div` display: flex; flex-direction: column; gap: 12px; width: 100%; `; const ReceiveWrapper = styled.div` display: flex; justify-content: space-between; width: 100%; .result { display: flex; flex-direction: column; align-items: end; gap: 8px; color: #40435c; } `; const tokens = props.tokens ?? [ { address: "0x0000000000000000000000000000000000000000", chainId: 5, symbol: "ETH", decimals: 18, logoURI: "https://assets.coingecko.com/coins/images/279/small/ethereum.png", }, ]; const curChainTokens = tokens.filter((t) => t.chainId === props.chainId); const sender = Ethers.send("eth_requestAccounts", [])[0]; if (sender) { Ethers.provider() .getNetwork() .then(({ chainId }) => { updateChainId(chainId); }); } const networks = { 1: "Ethereum Mainnet", 5: "Ethereum Goerli", 1101: "Polygon zkEvm", 1442: "Polygon zkEvm Goerli", }; const coinsMap = { ethereum: "ETH", "usd-coin": "USDC", "matic-network": "MATIC", dai: "DAI", uniswap: "UNI", }; State.init({ selectedToken: "ETH", isNetworkSelectOpen: 0, isTokenDialogOpen: false, amount: "", balances: {}, prices: {}, isToastOpen: false, }); const { isNetworkSelectOpen, selectedToken, isTokenDialogOpen, amount, balances, prices, } = state; console.log("balances: ", balances, prices, state.amount); const { chainId, updateChainId } = props; const selectedNetwork = chainId === 1 || chainId === 5 ? "ethereum" : "polygon"; const isTestnet = chainId === 5 || chainId === 1442; const isMainnet = chainId === 1 || chainId === 1101; const walletChains = { 1442: { chainId: `0x5a2`, chainName: "zkEVM Testnet", nativeCurrency: { name: "Ethereum", symbol: "ETH", decimals: 18, }, rpcUrls: ["https://rpc.public.zkevm-test.net/"], blockExplorerUrls: ["https://testnet-zkevm.polygonscan.com/"], }, 1101: { chainId: `0x44d`, chainName: "zkEVM Mainnet", nativeCurrency: { name: "Ethereum", symbol: "ETH", decimals: 18, }, rpcUrls: ["https://zkevm-rpc.com"], blockExplorerUrls: ["https://zkevm.polygonscan.com/"], }, }; const switchNetwork = (chainId) => { Ethers.provider() .send("wallet_switchEthereumChain", [ { chainId: `0x${chainId.toString(16)}` }, ]) .catch((err) => { console.log("err: ", err); if (err.code === 4902) { Ethers.provider() .send("wallet_addEthereumChain", [walletChains[chainId]]) .then(() => { Ethers.provider().send("wallet_switchEthereumChain", [ { chainId: `0x${chainId.toString(16)}` }, ]); }); } }); }; const coins = Object.keys(coinsMap); const pricesUrl = `https://api.coingecko.com/api/v3/simple/price?ids=${coins.join( "," )}&vs_currencies=usd`; if (!prices[selectedToken]) { asyncFetch(pricesUrl).then((res) => { if (!res.ok) return; const prices = {}; coins.forEach((coin) => (prices[coinsMap[coin]] = res.body[coin].usd)); State.update({ prices }); }); } const updateBalance = (token) => { const { address, decimals, symbol } = token; if (symbol === "ETH") { Ethers.provider() .getBalance(sender) .then((balanceBig) => { const adjustedBalance = ethers.utils.formatEther(balanceBig); State.update({ balances: { ...state.balances, [symbol]: new Big(adjustedBalance).toFixed(), }, }); }); } else { const erc20Abi = ["function balanceOf(address) view returns (uint256)"]; const tokenContract = new ethers.Contract( address, erc20Abi, Ethers.provider() ); tokenContract .balanceOf(sender) .then((balanceBig) => { const adjustedBalance = ethers.utils.formatUnits(balanceBig, decimals); State.update({ balances: { ...state.balances, [symbol]: new Big(adjustedBalance).toFixed(), }, }); }) .catch((e) => console.log("error", e)); } }; // if (Object.keys(balances).length === 0) { tokens.filter((t) => t.chainId === chainId).map(updateBalance); // } const changeNetwork = (network) => { if (isTestnet) { if (network === "polygon") { switchNetwork(1442); } else { switchNetwork(5); } } else { if (network === "polygon") { switchNetwork(1101); } else { switchNetwork(1); } } State.update({ isNetworkSelectOpen: 0, selectedNetwork: network }); }; const openNetworkList = (tag) => { State.update({ isNetworkSelectOpen: tag, isTokenDialogOpen: false }); }; const isCorrectNetwork = Object.keys(networks) .map((n) => Number(n)) .includes(chainId) || chainId === undefined; const getFromNetworkLabel = () => { switch (selectedNetwork) { case "ethereum": return isMainnet ? networks[1] : networks[5]; case "polygon": return isMainnet ? networks[1101] : networks[1442]; default: return "unknown"; } }; const getToNetworkLabel = () => { switch (selectedNetwork) { case "ethereum": return isMainnet ? networks[1101] : networks[1442]; case "polygon": return isMainnet ? networks[1] : networks[5]; default: return "unknown"; } }; const getNetworkSrc = (network) => { switch (network) { case "ethereum": return "https://assets.ref.finance/images/eth-bridge.png"; case "polygon": return "https://assets.ref.finance/images/matic-bridge.png"; default: return ""; } }; const checkIcon = ( <svg width="17" height="12" viewBox="0 0 17 12" fill="none" xmlns="http://www.w3.org/2000/svg" > <path d="M1 3.69231L6.21739 9.75L16 1" stroke="#794FDD" stroke-width="2" stroke-linecap="round" /> </svg> ); let networkListRender = [ { label: "ethereum", src: getNetworkSrc("ethereum"), selected: selectedNetwork === "ethereum", onSelect: () => changeNetwork("ethereum"), name: selectedNetwork === "ethereum" ? getFromNetworkLabel() : getToNetworkLabel(), }, { label: "polygon", src: getNetworkSrc("polygon"), selected: selectedNetwork === "polygon", onSelect: () => changeNetwork("polygon"), name: selectedNetwork === "polygon" ? getFromNetworkLabel() : getToNetworkLabel(), }, ]; if (selectedNetwork === "polygon") { networkListRender = networkListRender.reverse(); } const selectNetWorkDropDown = ( <DropDownContainer> <li onClick={(e) => { networkListRender[0].onSelect(); }} style={{ position: "relative", justifyContent: "space-between", }} > <div style={{ display: "flex", alignItems: "center", gap: "12px", }} > <img style={{ width: "32px" }} src={networkListRender[0].src} /> <span>{networkListRender[0].name}</span> {networkListRender[0].selected && checkIcon} </div> <div style={{ position: "relative", transform: "rotate(180deg)", right: "32px", top: "28px", zIndex: 101, }} > <ArrowDownWrapper>{arrowDown}</ArrowDownWrapper> </div> </li> <li onClick={(e) => { networkListRender[1].onSelect(); }} style={{ position: "relative", }} > <img style={{ width: "32px" }} src={networkListRender[1].src} /> <span>{networkListRender[1].name}</span> {selectedNetwork === networkListRender[1].label && checkIcon} </li> </DropDownContainer> ); const selectNetWorkDropDownReverse = ( <DropDownContainer> <li onClick={(e) => { networkListRender[0].onSelect(); }} style={{ position: "relative", justifyContent: "space-between", }} > <div style={{ display: "flex", alignItems: "center", gap: "12px", }} > <img style={{ width: "32px" }} src={networkListRender[1].src} /> <span>{networkListRender[1].name}</span> {networkListRender[0].selected && checkIcon} </div> <div style={{ position: "relative", transform: "rotate(180deg)", zIndex: 101, right: "32px", top: "28px", }} > <ArrowDownWrapper>{arrowDown}</ArrowDownWrapper> </div> </li> <li onClick={(e) => { networkListRender[1].onSelect(); }} style={{ position: "relative", justifyContent: "space-between", }} > <div style={{ display: "flex", alignItems: "center", gap: "12px", }} > <img style={{ width: "32px" }} src={networkListRender[0].src} /> <span>{networkListRender[0].name}</span> {networkListRender[1].selected && checkIcon} </div> </li> </DropDownContainer> ); const getToken = (tokenSymbol) => tokens .filter( (t) => t.chainId === (isMainnet ? selectedNetwork === "ethereum" ? 1 : 1101 : selectedNetwork === "ethereum" ? 5 : 1442) ) .find((t) => t.symbol === tokenSymbol); const updateToken = (tokenSymbol) => { console.log("tokenSymbol: ", tokenSymbol); State.update({ selectedToken: tokenSymbol, isTokenDialogOpen: false }); const { onUpdateToken } = props; if (onUpdateToken) { const token = getToken(tokenSymbol); onUpdateToken({ amount, token, network: selectedNetwork }); } }; const openTokenDialog = () => { State.update({ isTokenDialogOpen: true }); }; const changeAmount = (e) => { const targetValue = e.target.value; if (targetValue !== "" && !targetValue.match(/^(0|([1-9]\d*))(\.\d*)?$/)) { return; } let amount = targetValue.replace(/^0+/, "0"); // remove prefix 0 const curToken = curChainTokens.find((t) => t.symbol === selectedToken); if (!curToken) return; State.update({ amount }); const { onChangeAmount } = props; if (onChangeAmount) { const token = getToken(selectedToken); onChangeAmount({ amount, token, network: selectedNetwork }); } }; const onOpenChange = (v) => { State.update({ isToastOpen: false, }); }; const handleConfirm = () => { console.log(state); const isValidAmount = amount > 0 && amount < balances[selectedToken]; if (!isValidAmount) { State.update({ isToastOpen: true, variant: "error", title: "Invalid amount", description: "Amount should be less than token balance", }); return; } const isPolygonNetwork = chainId === 1101 || chainId === 1442; if (selectedNetwork === "ethereum" && isPolygonNetwork) { State.update({ isToastOpen: true, variant: "error", title: "Invalid network", description: "Please switch to polygon zkevm network", }); return; } if (selectedNetwork === "polygon" && !isPolygonNetwork) { State.update({ isToastOpen: true, variant: "error", title: "Invalid network", description: "Please switch to ethereum network", }); return; } const { onConfirm } = props; if (onConfirm) { const token = getToken(selectedToken); onConfirm({ amount, token, network: selectedNetwork }); } }; const networkList = isMainnet ? [1, 1101] : [5, 1442]; const token = tokens.find((t) => t.symbol === selectedToken); const { isToastOpen, variant, title, description } = state; const canSwap = !!state.amount && Number(state.amount) !== "NaN" && Object.keys(balances).length > 0 && new Big(Number(state.amount) === "NaN" ? 0 : state.amount).lt( balances[selectedToken] ) && new Big(Number(state.amount) === "NaN" ? 0 : state.amount).gt(new Big(0)); return ( <DeskLayout> <Layout> <div class="container"> {!isCorrectNetwork && ( <Alert>Please switch to Ethereum or Polygon zkEVM</Alert> )} <ContainerNetwork> <span class="label">From</span> </ContainerNetwork> <BridgeContainer onClick={() => { openNetworkList(1); }} > <img style={{ width: "32px" }} src={getNetworkSrc(selectedNetwork)} /> <div class="token-container"> <BridgeName> <span>{getFromNetworkLabel()}</span> </BridgeName> </div> <ArrowDownWrapper>{arrowDown}</ArrowDownWrapper> </BridgeContainer> {state.isNetworkSelectOpen === 1 && selectNetWorkDropDown} </div> <div class="container"> <ContainerNetwork> <span class="label">To</span> </ContainerNetwork> <BridgeContainer onClick={() => { openNetworkList(2); }} > <img style={{ width: "32px" }} src={getNetworkSrc( selectedNetwork === "ethereum" ? "polygon" : "ethereum" )} /> <div class="token-container"> <BridgeName> <span>{getToNetworkLabel()}</span> </BridgeName> </div> <ArrowDownWrapper>{arrowDown}</ArrowDownWrapper> </BridgeContainer> {state.isNetworkSelectOpen === 2 && selectNetWorkDropDownReverse} </div> <SendWrapper> <div>Send</div> <div style={{ display: "flex", alignItems: "center", position: "relative", }} > <Input class="zkevm-bridge-input" placeholder="0.00" onChange={changeAmount} value={state.amount} /> <Seperator></Seperator> <Widget src="ref-admin.near/widget/ZKEVMSwap.zkevm-bridge-token-list" props={{ tokens: curChainTokens, selectedToken, balances, onSelect: updateToken, }} /> </div> </SendWrapper> <ReceiveWrapper> <span>Receive</span> <div className="result"> <div> {amount} {selectedToken} </div> <div> ≈$ {!prices?.[selectedToken] || !state.amount ? "-" : new Big(prices[selectedToken]) .times(new Big(state.amount)) .toFixed()} </div> </div> </ReceiveWrapper> <ActionButton onClick={handleConfirm} disabled={!isCorrectNetwork || !canSwap} > Confirm </ActionButton> <Widget src="ciocan.near/widget/toast" props={{ open: isToastOpen, variant, title, description, onOpenChange }} /> </Layout> </DeskLayout> );