assert.js

const { deployed, getTrieNodesForCall, getTrieAtStep } = require("../scripts/lib")

async function main() {
  let [c, m, mm] = await deployed()

  const challengeId = parseInt(process.env.ID)
  const blockNumberN = parseInt(process.env.BLOCK)
  const isChallenger = process.env.CHALLENGER == "1"

  let step = (await c.getStepNumber(challengeId)).toNumber()
  console.log("searching step", step, "at block", blockNumberN)

  if (await c.isSearching(challengeId)) {
    console.log("search is NOT done")
    return
  }

  let cdat
  if (isChallenger) {
    // challenger declare victory
    cdat = c.interface.encodeFunctionData("confirmStateTransition", [challengeId])
  } else {
    // defender declare victory
    // note: not always possible
    cdat = c.interface.encodeFunctionData("denyStateTransition", [challengeId])
  }

  let startTrie = getTrieAtStep(blockNumberN, step)
  let finalTrie = getTrieAtStep(blockNumberN, step+1)
  let preimages = Object.assign({}, startTrie['preimages'], finalTrie['preimages']);

  let nodes = await getTrieNodesForCall(c, c.address, cdat, preimages)
  for (n of nodes) {
    await mm.AddTrieNode(n)
  }

  let ret
  if (isChallenger) {
    ret = await c.confirmStateTransition(challengeId)
  } else {
    ret = await c.denyStateTransition(challengeId)
  }

  let receipt = await ret.wait()
  console.log(receipt.events.map((x) => x.event))
}

main()
  .then(() => process.exit(0))
  .catch((error) => {
    console.error(error);
    process.exit(1);
  });