Contracts that act on a schedule.

import { defineTask, z } from '@thyme-labs/sdk'
import { encodeFunctionData, parseAbi } from 'viem'

const abi = parseAbi([
  'function harvest()',
  'function pendingRewards() view returns (uint256)',
])

export default defineTask({
  schema: z.object({
    vault: z.address(),
    minRewards: z.coerce.bigint(),
  }),
  async run(ctx) {
    const { vault, minRewards } = ctx.args
    const pending = await ctx.client.readContract({
      address: vault, abi, functionName: 'pendingRewards',
    })

    // Skip this run: not worth the gas yet.
    if (pending < minRewards) {
      return { canExec: false, message: `${pending} pending` }
    }

    return {
      canExec: true,
      calls: [{
        to: vault,
        data: encodeFunctionData({ abi, functionName: 'harvest' }),
      }],
    }
  },
})