batch tx polyfill idea

polyfillJsonRpcBatchAsBatchTx.js

const provider = polyfillJsonRpcBatchAsBatchTx(inpageProvider)


function polyfillJsonRpcBatchAsBatchTx (oldProvider) {
  const newProvider = { sendAsync }
  return newProvider

  function sendAsync (req, cb) {
    if (Array.isArray(req)) {
      const shouldBatch = req.every(req => req.method === 'eth_sendTransaction')
      if (!shouldBatch) {
        // procede normally
        return oldProvider.sendAsync(req, cb)
      }
      // do as a batch
      const newReq = {
        method: 'wallet_batchTx',
        params: req.map(entry => entry.params[0]),
      }
      return oldProvider.sendAsync(newReq, cb)
    } else {
      // procede normally
      return oldProvider.sendAsync(req, cb)
    }
  }
}