message: Add comment on multi request implementation
diff: @@ -168,9 +168,10 @@ export class CosmWasmClient {
  } else if (isSearchByHeightQuery(query)) {
  return (await this.restClient.txs(`tx.height=${query.height}`)).txs;
  } else if (isSearchBySentFromOrToQuery(query)) {
  + // We cannot get both in one request (see https://github.com/cosmos/gaia/issues/75)
  const sent = (await this.restClient.txs(limited(`message.sender=${query.sentFromOrTo}`))).txs;
  - const sentHashes = sent.map(t => t.txhash);
  const received = (await this.restClient.txs(limited(`transfer.recipient=${query.sentFromOrTo}`))).txs;
  + const sentHashes = sent.map(t => t.txhash);
  return [...sent, ...received.filter(t => !sentHashes.includes(t.txhash))];
  } else {
  throw new Error("Unknown query type");
  