Created
April 3, 2020 02:30
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// web3 provider with fallback for old version | |
window.addEventListener('load', async () => { | |
// New web3 provider | |
if (window.ethereum) { | |
window.web3 = new Web3(ethereum); | |
try { | |
// ask user for permission | |
await ethereum.enable(); | |
// user approved permission | |
} catch (error) { | |
// user rejected permission | |
} | |
} | |
// Old web3 provider | |
else if (window.web3) { | |
window.web3 = new Web3(web3.currentProvider); | |
// no need to ask for permission | |
} | |
// No web3 provider | |
else { | |
console.log('No web3 provider detected'); | |
} | |
}); |
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