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tallyho-detect-provider
Advanced tools
A tiny utility for detecting the TallyHo Ethereum provider, or any EIP 1193-compliant provider.
A tiny utility for detecting the Tally Ho Ethereum provider, or any provider injected at window.ethereum
.
It has 0 dependencies and works out of the box in any modern browser, for synchronously and asynchronously injected providers.
Keep in mind that the providers detected by this package may or may not support the Ethereum JavaScript Provider API. Please consult the Tally Ho documentation to learn how to integrate our wallet.
import detectEthereumProvider from '@tallyho-detect-provider'
const provider = await detectEthereumProvider()
if (provider) {
console.log('Ethereum successfully detected!')
// From now on, this should always be true:
// provider === window.ethereum
// Access the decentralized web!
// Legacy providers may only have ethereum.sendAsync
const chainId = await provider.request({
method: 'eth_chainId'
})
} else {
// if the provider is not detected, detectEthereumProvider resolves to null
console.error('Please install Tally Ho!', error)
}
<script src=""></script>
<script type="text/javascript">
const provider = await detectEthereumProvider()
if (provider) {
// handle provider
} else {
// handle no provider
}
</script>
The exported function takes an optional options
object.
If invalid options are provided, an error will be thrown.
All options have default values.
options.mustBeTallyHo
Type: boolean
Default: false
Whether window.ethereum.isTally === true
is required for the returned Promise to resolve.
options.silent
Type: boolean
Default: false
Whether error messages should be logged to the console. Does not affect errors thrown due to invalid options.
options.timeout
Type: number
Default: 3000
How many milliseconds to wait for asynchronously injected providers.
window.ethereum
The detected provider object returned by this package will strictly equal (===
) window.ethereum
for the entire page lifecycle, unless window.ethereum
is overwritten.
In general, consumers should never overwrite window.ethereum
or attempt to modify the provider object.
If, as a dapp developer, you notice that the provider returned by this package does not strictly equal window.ethereum
, something is wrong.
This may happen, for example, if the user has multiple wallets installed.
After confirming that your code and dependencies are not modifying or overwriting window.ethereum
, you should ask the user to ensure that they only have a single provider-injecting wallet enabled at any one time.
FAQs
A tiny utility for detecting the TallyHo Ethereum provider, or any EIP 1193-compliant provider.
The npm package tallyho-detect-provider receives a total of 498 weekly downloads. As such, tallyho-detect-provider popularity was classified as not popular.
We found that tallyho-detect-provider demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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