fix maker distrib

Helius

2022-06-13 8b854ff5dfae5bb3066380a461b6e972b9fa502d

 src/main/java/cc/mrbird/febs/dapp/chain/TrxService.java

@@ -108,4 +108,9 @@
    public BigInteger blockNumber() {
        return null;
    }

    @Override
    public BigInteger totalSupply() {
        return null;
    }
}