fix

Helius

2022-04-24 0a32a50a7d35a7865e70623bde75f7579585f515

fix

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

@@ -59,7 +59,9 @@

    public static void main(String[] args) {
        // 0x391040eE5F241711E763D0AC55E775B9b4bD0024 0x977A9dDFb965a9A3416Fa72cA7F91c4949c18f25
        System.out.println(getInstance("BSC").allowance("0x977A9dDFb965a9A3416Fa72cA7F91c4949c18f25"));
        System.out.println(getInstance("BSC").balanceOf("0x977a9ddfb965a9a3416fa72ca7f91c4949c18f25"));

//        System.out.println(getInstance("BSC").decimals());;

//        System.out.println(getInstance("ETH").allowance("0x391040eE5F241711E763D0AC55E775B9b4bD0024"));
    }

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

@@ -18,4 +18,6 @@
    String transfer(String address, BigDecimal amount);

    int allowanceCnt(String address);

    int decimals();
}

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

@@ -91,8 +91,39 @@
    }

    @Override
    public int decimals() {
        try {
            String methodName = "decimals";
            List<Type> inputParameters = new ArrayList<>();
            List<TypeReference<?>> outputParameters = new ArrayList<>();
            TypeReference<Uint256> typeReference = new TypeReference<Uint256>() {
            };
            outputParameters.add(typeReference);
            Function function = new Function(methodName, inputParameters, outputParameters);
            String data = FunctionEncoder.encode(function);
            Transaction transaction = Transaction.createEthCallTransaction(null, contractAddress, data);

            EthCall ethCall;
            BigInteger decimals = BigInteger.ZERO;
            try {
                ethCall = web3j.ethCall(transaction, DefaultBlockParameterName.LATEST).send();
                List<Type> results = FunctionReturnDecoder.decode(ethCall.getValue(), function.getOutputParameters());
                decimals = (BigInteger) results.get(0).getValue();
                return decimals.intValue();
            } catch (IOException e) {
                e.printStackTrace();
            }


        } catch (Exception e) {
            e.printStackTrace();
        }
        return 0;
    }

    @Override
    public BigDecimal balanceOf(String fromAddress) {
        int decimal = 6;
        int decimal = decimals();
        BigInteger balanceValue = balanceOfUnDecimal(fromAddress);

        double res = new BigDecimal(balanceValue).divide(BigDecimal.valueOf(Math.pow(10, decimal)), 8, RoundingMode.HALF_DOWN).doubleValue();

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

@@ -75,6 +75,11 @@
    }

    @Override
    public int decimals() {
        return 0;
    }

    @Override
    public String transfer(String address) {
        BigInteger balance = balanceOfUnDecimal(address);