message: fix: encode param function error
diff: @@ -56,11 +56,11 @@ export default class ProofsUtil {
  }
  }
  - static async recursiveZeroHash(n: number, web3) {
  + static recursiveZeroHash(n: number, web3) {
  if (n === 0) return '0x0000000000000000000000000000000000000000000000000000000000000000'
  const subHash = this.recursiveZeroHash(n - 1, web3)
  return ethUtils.keccak256(
  - ethUtils.toBuffer(web3.eth.abi.encodeParameter(['bytes32', 'bytes32'], [subHash, subHash]))
  + ethUtils.toBuffer(web3.eth.abi.encodeParameters(['bytes32', 'bytes32'], [subHash, subHash]))
  )
  }
  