amm.watchFeeSwap

Watches for fee swap events on the Fee AMM.

Usage

example.ts

import {  } from 'wagmi/tempo'
import {  } from './config'

const  = ..(, {
  (, ) {
    .('args:', )
  },
})

// Later, stop watching
()

config.ts

import { createConfig, http } from 'wagmi'
import { tempoTestnet } from 'wagmi/chains'
import { KeyManager, webAuthn } from 'wagmi/tempo'

export const config = createConfig({
  connectors: [
    webAuthn({
      keyManager: KeyManager.localStorage(),
    }),
  ],
  chains: [tempoTestnet],
  multiInjectedProviderDiscovery: false,
  transports: {
    [tempoTestnet.id]: http(),
  },
})

Return Type

type ReturnType = () => void

Returns a function to unsubscribe from the event.

Parameters

onFeeSwap

• Type: function

declare function onFeeSwap(args: Args, log: Log): void

type Args = {
  /** Address of the user token */
  userToken: Address
  /** Address of the validator token */
  validatorToken: Address
  /** Amount of user token swapped in */
  amountIn: bigint
  /** Amount of validator token received */
  amountOut: bigint
}

Callback to invoke when a fee swap occurs.

userToken (optional)

• Type: Address | bigint

Address or ID of the user token to filter events.

validatorToken (optional)

• Type: Address | bigint

Address or ID of the validator token to filter events.

fromBlock (optional)

• Type: bigint

Block to start listening from.

onError (optional)

• Type: (error: Error) => void

The callback to call when an error occurred when trying to get for a new block.

poll (optional)

• Type: true

Whether to use polling.

pollingInterval (optional)

• Type: number

Polling frequency (in ms). Defaults to Client's pollingInterval config.

Viem

• amm.watchFeeSwap