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Adding custom tokens

EIP-747 allows Dapps to request that a token be added.

async function addAsset() {
return await ethereum.request({
method: 'wallet_watchAsset',
params: {
type: 'ERC20',
options: {
address: '0xb60e8dd61c5d32be8058bb8eb970870f07233155',
symbol: 'FOO',
decimals: 18,
image: 'https://foo.io/token-image.svg',
},
},
})
}
console.log(await addAsset())