message: fix(utxo-bin): fix getCoinName for bitcoincash
  When looking up bitcoincash transaction, default to coin `bch` (ignore
  `bcha`)
  Issue:
diff: @@ -4,13 +4,26 @@ import { coins, UtxoCoin } from '@bitgo/statics';
  function getCoinName(network: utxolib.Network): string {
  const networkName = utxolib.getNetworkName(network);
  +
  + // the bitcoincash network actually has two coins: bch and bcha - hardcode bch by default here
  + switch (networkName) {
  + case 'bitcoincash':
  + return 'bch';
  + case 'bitcoincashTestnet':
  + return 'tbch';
  + }
  +
  const matches = [...coins].flatMap(([, coin]) =>
  - coin instanceof UtxoCoin && coin.network.utxolibName === networkName ? [coin] : []
  + coin instanceof UtxoCoin && coin.network.utxolibName === networkName ? [coin.name] : []
  );
  - if (matches.length === 1) {
  - return matches[0].name;
  - }
  + switch (matches.length) {
  + case 0:
  throw new Error(`no coin for network ${networkName}`);
  + case 1:
  + return matches[0];
  + default:
  + throw new Error(`more than one coin for ${networkName}: ${matches}`);
  + }
  }
  function getApi(network: utxolib.Network): blockapis.UtxoApi {
  