Events

provider.on('connect', ({ chainId }: { chainId: string }) => {
  // chainId is hex (e.g. "0x74c" for Soneium Mainnet)
})

provider.on('disconnect', (error: ProviderRpcError) => {
  // Provider lost connection (network drop, popup closed, user disconnected)
})

provider.on('accountsChanged', (accounts: string[]) => {
  if (accounts.length === 0) {
    // Disconnected
  } else {
    // Connected as accounts[0]
  }
})

provider.on('chainChanged', (chainId: string) => {
  // chainId is hex
})

const onAccountsChanged = (accounts: string[]) => { /* ... */ }
provider.on('accountsChanged', onAccountsChanged)

// Later: both forms work; removeListener is the primary SDK method
provider.removeListener('accountsChanged', onAccountsChanged)
// provider.off('accountsChanged', onAccountsChanged)  // alias for removeListener