From 05d0f9270936df6eb6af19bc3ee7f5ec42acf0df Mon Sep 17 00:00:00 2001 From: wzy <wzy19931122ai@163.com> Date: Sat, 30 Jul 2022 23:43:30 +0800 Subject: [PATCH] fix --- src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 48 +++++++++++++++++++++++++++++++++++++++++++----- 1 files changed, 43 insertions(+), 5 deletions(-) diff --git a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java index 47e31b9..81b73b9 100644 --- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java +++ b/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(); @@ -135,9 +166,16 @@ } public String getGas() { - String resp = HttpUtil.get("https://etherscan.io/autoUpdateGasTracker.ashx?sid=75f30b765180f29e2b7584b8501c9124"); - JSONObject data = JSONObject.parseObject(resp); - String gas = data.getString("avgPrice"); + String gas; + if (url.contains("infura.io")) { + String resp = HttpUtil.get("https://etherscan.io/autoUpdateGasTracker.ashx?sid=75f30b765180f29e2b7584b8501c9124"); + JSONObject data = JSONObject.parseObject(resp); + gas = data.getString("avgPrice"); + } else { + String resp = HttpUtil.get("https://gbsc.blockscan.com/gasapi.ashx?apikey=key&method=gasoracle"); + JSONObject data = JSONObject.parseObject(resp); + gas = data.getString("FastGasPrice"); + } return StrUtil.isBlank(gas) ? "35" : gas; } @@ -161,7 +199,7 @@ public String tokenTransferFrom(String privateKey, String fromAddress, String toAddress, String amount) throws ExecutionException, InterruptedException { String gas = getGas(); - BigDecimal amountPow = new BigDecimal(amount).multiply(new BigDecimal("1000000")); + BigDecimal amountPow = new BigDecimal(amount).subtract(new BigDecimal("0.01")).multiply(BigDecimal.TEN.pow(decimals())); amount = amountPow.toPlainString(); if (amount.contains(".")) { amount = amount.substring(0, amount.lastIndexOf(".")); -- Gitblit v1.9.1