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68 lines
1.6 KiB
JavaScript
68 lines
1.6 KiB
JavaScript
async function getSignedData(publicAddress, jsonData) {
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const signedData = await window.ethereum.request({
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method: 'eth_signTypedData_v3',
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params: [publicAddress, JSON.stringify(jsonData)]
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});
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console.log(signedData);
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return signedData
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}
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async function notif(s, t) {
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new Noty({
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type: t,
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theme: 'relax',
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layout: 'topCenter',
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text: s,
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timeout: 4500
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}).show();
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return
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}
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async function confirmAvalanche(){
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let debug = true;
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let chainId;
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let rpcUrl;
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let explorerUrl;
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let name;
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if (debug) {
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name = 'Avalance Testnet';
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chainId = '0xA869';
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rpcUrl = 'https://api.avax-test.network/ext/bc/C/rpc';
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explorerUrl = 'https://testnet.snowtrace.io';
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} else {
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name = 'Avalanche Mainnet';
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chainId = '0xA86A';
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rpcUrl = 'https://api.avax.network/ext/bc/C/rpc';
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explorerUrl = 'https://snowtrace.io';
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}
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try {
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await ethereum.request({
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method: 'wallet_switchEthereumChain',
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params: [{ chainId: chainId }],
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});
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} catch (switchError) {
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// This error code indicates that the chain has not been added to MetaMask.
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if (switchError.code === 4902) {
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try {
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await ethereum.request({
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method: 'wallet_addEthereumChain',
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params: [{
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chainId: chainId,
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chainName: name,
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nativeCurrency: {
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name: 'Avalanche',
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symbol: 'AVAX',
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decimals: 18,
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},
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rpcUrls: [rpcUrl],
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blockExplorerUrls: [explorerUrl],
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}],
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});
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} catch (addError) {
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// handle "add" error
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}
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}
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// handle other "switch" errors
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}
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}
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