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More information: https://www.jsdelivr.com/using-sri-with-dynamic-files\n */\n","import {Lucid, Blockfrost, C as LCore} from 'lucid-cardano';\nimport Toastify from 'toastify-js';\n\nimport {coreToUtxo, fromHex} from 'lucid-cardano';\n\nimport {\n init as walletConnectInit,\n connect as walletConnect,\n getActiveConnector as getActiveWalletConnectConnector,\n cardanoMainnetWalletConnect,\n WalletConnectConnector\n} from '@dcspark/adalib';\n\nexport {Lucid, Blockfrost};\n\nexport class CardanoDApp {\n\n static #CARDANO_CHAINS = [\n cardanoMainnetWalletConnect()\n ];\n\n static SUPPORTED_WALLETS = {\n begin: {\n cip30name: 'begin',\n img: 'https://begin.is/favicon/favicon.ico'\n },\n eternl: {\n cip30name: 'eternl',\n img: 'https://ccvault.io/icons/favicon-128x128.png'\n },\n flint: {\n cip30name: 'flint',\n img: 'https://flint-wallet.com/favicon.png'\n },\n gero: {\n cip30name: 'gerowallet',\n img: 'https://gerowallet.io/assets/img/logo2.ico'\n },\n lace: {\n cip30name: 'lace',\n img: 'https://www.lace.io/favicon-32x32.png'\n },\n nami: {\n cip30name: 'nami',\n img: 'https://namiwallet.io/favicon-32x32.png'\n },\n typhon: {\n cip30name: 'typhoncip30',\n img: 'https://typhonwallet.io/assets/typhon.svg',\n },\n vespr: {\n cip30name: 'vespr',\n img: 'https://vespr.xyz/favicon.png'\n },\n WalletConnect: {\n cip30name: 'WalletConnect',\n img: 'https://cloud.walletconnect.com/favicon.ico'\n },\n yoroi: {\n cip30name: 'yoroi',\n img: 'https://yoroi-wallet.com/assets/favicon.png'\n }\n }\n\n static #TIMEOUT_MS = 1000;\n\n static #toastWalletError(error) {\n var message = error.toString();\n if (error.constructor === Object) {\n message = JSON.stringify(error);\n }\n Toastify({text: `Wallet error occurred: ${message}`, duration: 3000}).showToast();\n }\n\n static #isWalletSupported(walletName) {\n const walletCip30Name = CardanoDApp.SUPPORTED_WALLETS[walletName].cip30name;\n if (!((\"cardano\" in window) && (walletCip30Name in window.cardano))) {\n this.#toastWalletError(`Wallet '${walletName}' not integrated in your browser`);\n return false;\n }\n return true;\n }\n\n static async #enableWallet(walletName) {\n if (walletName === 'WalletConnect') {\n const connector = getActiveWalletConnectConnector();\n const isStillConnected = await connector.isConnected(CardanoDApp.#TIMEOUT_MS);\n if (!isStillConnected) {\n await walletConnect();\n }\n return connector.getConnectorAPI();\n }\n const cip30name = CardanoDApp.SUPPORTED_WALLETS[walletName].cip30name;\n return window.cardano[cip30name].enable();\n }\n\n static #configureWalletConnect(walletConnectInfo) {\n walletConnectInit(() => {\n return {\n connectors: [\n new WalletConnectConnector({\n relayerRegion: walletConnectInfo.relayerRegion,\n metadata: walletConnectInfo.metadata,\n autoconnect: walletConnectInfo.autoconnect,\n qrcode: true\n })\n ],\n connectorName: WalletConnectConnector.connectorName(),\n chosenChain: cardanoMainnetWalletConnect()\n }\n }, walletConnectInfo.projectId);\n }\n\n constructor(containerId, walletConnectInfo) {\n this.containerId = containerId;\n this.#buildDropdownDom();\n if (walletConnectInfo !== undefined) {\n CardanoDApp.#configureWalletConnect(walletConnectInfo);\n window.cardano.WalletConnect = walletConnectInfo;\n }\n this.#configureDropdownListeners();\n }\n\n #buildDropdownDom() {\n var dropdownHtml = `';\n document.querySelector(`#${this.containerId}`).innerHTML = dropdownHtml;\n }\n\n #configureDropdownListeners() {\n for (const wallet in CardanoDApp.SUPPORTED_WALLETS) {\n document.querySelector(`#${this.containerId}-${wallet}`).addEventListener(\"click\", async e => {\n e && e.preventDefault();\n await this.connectWallet(wallet);\n });\n }\n }\n\n #getBannerEl() {\n return `${this.containerId}-header`;\n }\n\n async connectWallet(walletName) {\n if (!CardanoDApp.#isWalletSupported(walletName)) {\n return;\n }\n\n try {\n const wallet = await CardanoDApp.#enableWallet(walletName);\n const address = await wallet.getChangeAddress();\n this.selectedWallet = walletName;\n this.#displayWallet();\n Toastify({\n text: `Successfully connected wallet ${address}!`,\n duration: 3000\n }).showToast();\n window.postMessage({\n type: \"CARDANO_DAPP_JS_CONNECT\",\n wallet: { provider: walletName, address: address }\n }, \"*\");\n } catch (err) {\n CardanoDApp.#toastWalletError(err);\n }\n }\n\n #displayWallet() {\n if (this.isWalletConnected() && this.containerId) {\n document.querySelector(`#${this.#getBannerEl()}`).textContent = `Connected to ${this.selectedWallet}!`;\n }\n }\n\n getConnectedWallet() {\n if (this.selectedWallet === undefined) {\n throw 'No wallet connected to enable';\n }\n return CardanoDApp.#enableWallet(this.selectedWallet);\n }\n\n async numPolicyAssets(policy) {\n const policyAssets = {};\n const currentWallet = await this.getConnectedWallet();\n const utxos = await currentWallet.getUtxos();\n for (const utxoStr of utxos) {\n const utxoBytes = fromHex(utxoStr);\n const coreUtxo = LCore.TransactionUnspentOutput.from_bytes(utxoBytes);\n const utxo = coreToUtxo(coreUtxo)\n const assets = utxo.assets;\n for (const asset in assets) {\n if (asset.startsWith(policy)) {\n policyAssets[asset] = assets[asset];\n }\n }\n }\n return Object.values(policyAssets).reduce((acc, amount) => acc + amount, 0n);\n }\n\n async walletMeetsTokenGate(tokenGateMap) {\n for (const policy in tokenGateMap) {\n const numPolicyAssets = await this.numPolicyAssets(policy);\n if (numPolicyAssets >= tokenGateMap[policy]) {\n return true;\n }\n }\n return false;\n }\n\n isWalletConnected() {\n return this.selectedWallet !== undefined;\n }\n\n}\n"]}