Sign Channel Voucher

import { client } from './viem.config'
 
const signature = await client.channel.signVoucher({
  channel: '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
  cumulativeAmount: 40000000n,
})
 
console.log('Signature:', signature)
Signature: 0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef1b

import { Account, Client } from 'viem/tempo'
 
export const client = Client.create({
  account: Account.fromSecp256k1('0x...'),
})

import { client } from './viem.config'
 
const pricePerRequest = 10_000n
let cumulativeAmount = 0n
 
async function payForRequest() {
  cumulativeAmount += pricePerRequest
  const signature = await client.channel.signVoucher({
    channel: '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
    cumulativeAmount,
  })
  // Hand the voucher to the payee off-chain.
  return { cumulativeAmount, signature }
}

import { Account, Client } from 'viem/tempo'
 
export const client = Client.create({
  account: Account.fromSecp256k1('0x...'),
})

import { Account } from 'viem/tempo'
import { client } from './viem.config'
 
const hotKey = Account.fromSecp256k1('0x...')
 
const signature = await client.channel.signVoucher({
  account: hotKey,
  channel: '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
  cumulativeAmount: 40_000000n,
})

import { Account, Client } from 'viem/tempo'
 
export const client = Client.create({
  account: Account.fromSecp256k1('0x...'),
})