How to use the circomlib.eddsa.signMiMC function in circomlib

)

const tree_root = mimc7.multiHash([aliceHash, bobHash])

// transaction
const tx = {
  from: Alice.pubkey,
  detail: 0,
  updated_pubkey: Alice.pubkey
}

// Alice sign tx
const txHash = mimc7.multiHash(
  [tx.from[0], tx.from[1], BigInt(tx.detail), tx.updated_pubkey[0], tx.updated_pubkey[1]]
)
const signature = eddsa.signMiMC(alicePrvKey, txHash)

// update Alice account
const newAlice = {
  pubkey: tx.updated_pubkey,
  detail: BigInt(tx.detail)
}
const newAliceHash = mimc7.multiHash(
  [newAlice.pubkey[0], newAlice.pubkey[1], BigInt(newAlice.detail)]
)

// update root
const final_root = mimc7.multiHash([newAliceHash, bobHash])

// console.log('tree_root: ' + tree_root.toString())
// console.log('final_root: ' + final_root.toString())
// console.log('accounts_pubkeys Alice.pubkey[0]: ' + Alice.pubkey[0].toString())

// Wait 10 seconds
  console.log('Sleeping 10 seconds...')
  await sleep(10000)
  console.log('Woken up')

  // Construct 2nd message
  const userSecondMessage = [
    ...userPosition,
    ...userPubKey,
    1n // New position
  ]

  const userSecondMessageHash = mimc7.multiHash(userSecondMessage)

  const secondSignature: MiMicSignature = eddsa.signMiMC(
    userPrvKey.toString(),
    userSecondMessageHash
  )

  // Insert signature into tx
  const userSecondMessage2 = [
    ...userSecondMessage,
    secondSignature.R8[0],
    secondSignature.R8[1],
    secondSignature.S
  ]

  const userSecondEncryptedMessage = encrypt(
    userSecondMessage2,
    userPrvKey,
    coordinatorPublicKey

const pk = stringifyBigInts(userPubKey)

  // First message (insert new user)
  const userPosition: Array = [
    ...userPubKey,
    0n // Action
  ]

  const userInitialMessage = [
    ...userPosition,
    0n, 0n, 0n
  ]

  const userMessageHash = mimc7.multiHash(userInitialMessage)

  const signature: MiMicSignature = eddsa.signMiMC(
    userPrvKey.toString(),
    userMessageHash
  )

  // Insert signature into tx
  const userInitialMessage2 = [
    ...userInitialMessage,
    signature.R8[0],
    signature.R8[1],
    signature.S
  ]

  const userInitialEncryptedMessage = encrypt(
    userInitialMessage2,
    userPrvKey,
    coordinatorPublicKey

signMimc7(msg: bigInt): Signature {
    const s = eddsa.signMiMC(this.sk, msg);
    return new Signature(s.R8, s.S);
  }