js-conflux-sdk/src/utils/format.js

const lodash = require('lodash');
const BigNumber = require('bignumber.js');
const parse = require('./parser');

const { Hex, TxHash, Hex32, Address, EpochNumber, BlockHash } = require('./type');

parse.undefined = parse(undefined);
parse.null = parse(null);
parse.boolean = parse(v => Boolean(Number(v))).validate(lodash.isBoolean);
parse.number = parse(Number).validate(Number.isFinite);
parse.bigNumber = parse(BigNumber).validate(BigNumber.isBigNumber).validate(v => v.isFinite());

parse.transaction = parse({
  nonce: parse.number,
  value: parse.bigNumber,
  gasPrice: parse.bigNumber,
  gas: parse.bigNumber,
  v: parse.number,
  transactionIndex: (parse.null).or(parse.number),
  status: (parse.null).or(parse.number), // XXX: might be remove in rpc returned
});

parse.block = parse({
  epochNumber: parse.number,
  height: parse.number,
  size: parse.number,
  timestamp: parse.number,
  gasLimit: parse.bigNumber,
  difficulty: parse.bigNumber,
  transactions: [(parse.transaction).or(TxHash)],
  stable: (parse.null).or(parse.boolean),
});

parse.receipt = parse({
  index: parse.number, // XXX: number already in rpc return
  epochNumber: parse.number, // XXX: number already in rpc return
  outcomeStatus: parse.number, // XXX: number already in rpc return
  gasUsed: parse.bigNumber,
  logs: [
    {
      // FIXME: getTransactionReceipt returned log.data is array of number
      data: data => (Array.isArray(data) ? Hex(Buffer.from(data)) : data),
    },
  ],
});

parse.logs = parse([
  {
    epochNumber: parse.number,
    logIndex: parse.number,
    transactionIndex: parse.number,
    transactionLogIndex: parse.number,
  },
]);

// ----------------------------------------------------------------------------
parse.getLogs = parse({
  limit: parse(Hex.fromNumber).or(undefined),
  fromEpoch: parse(EpochNumber).or(undefined),
  toEpoch: parse(EpochNumber).or(undefined),
  blockHashes: parse([BlockHash]).or(BlockHash).or(undefined),
  address: parse([Address]).or(Address).or(undefined),
  topics: parse([parse([Hex32]).or(Hex32).or(null)]).or(undefined),
});

module.exports = parse;