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Updated on 2026-08-14

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This commit is contained in:
Tangem 2018-06-28 16:19:22 +03:00
parent df4a8d6dc3
commit e58ca25402
1 changed files with 53 additions and 72 deletions
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125
app/src/main/java/com/tangem/domain/wallet/EthEngine.java
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@ -27,57 +27,46 @@ import static com.tangem.util.FormatUtil.GetDecimalFormat;
public class EthEngine extends CoinEngine {
public String GetNextNode(TangemCard mCard)
{
public String GetNextNode(TangemCard mCard) {
return "abc1.hsmiths.com";
}
public int GetNextNodePort(TangemCard mCard)
{
public int GetNextNodePort(TangemCard mCard) {
return 60001;
}
public String GetNode(TangemCard mCard)
{
public String GetNode(TangemCard mCard) {
return "abc1.hsmiths.com";
}
public int GetNodePort(TangemCard mCard)
{
public int GetNodePort(TangemCard mCard) {
return 60001;
}
public void SwitchNode(TangemCard mCard)
{
public void SwitchNode(TangemCard mCard) {
}
public boolean InOutPutVisible()
{
public boolean InOutPutVisible() {
return false;
}
public String GetBalanceCurrency(TangemCard card)
{
public String GetBalanceCurrency(TangemCard card) {
return "ETH";
}
public boolean AwaitingConfirmation(TangemCard card)
{
public boolean AwaitingConfirmation(TangemCard card) {
return false;
}
public String GetFeeCurrency()
{
public String GetFeeCurrency() {
return "Gwei";
}
public boolean IsNeedCheckNode()
{
public boolean IsNeedCheckNode() {
return false;
}
BigDecimal convertToEth(String value)
{
BigDecimal convertToEth(String value) {
BigInteger m = new BigInteger(value, 10);
BigDecimal n = new BigDecimal(m);
BigDecimal d = n.divide(new BigDecimal("1000000000000000000"));
@ -85,37 +74,32 @@ public class EthEngine extends CoinEngine {
return d;
}
public int GetTokenDecimals(TangemCard card)
{
public int GetTokenDecimals(TangemCard card) {
return 0;
}
public String GetContractAddress(TangemCard card)
{
public String GetContractAddress(TangemCard card) {
return "";
}
public boolean ValdateAddress(String address, TangemCard card) {
if (address == null || address.isEmpty())
{
if (address == null || address.isEmpty()) {
return false;
}
if(!address.startsWith("0x")&&!address.startsWith("0X"))
{
if (!address.startsWith("0x") && !address.startsWith("0X")) {
return false;
}
if(address.length()!=42)
{
if (address.length() != 42) {
return false;
}
return true;
}
public String GetBalanceValue(TangemCard mCard)
{
public String GetBalanceValue(TangemCard mCard) {
String dec = mCard.getDecimalBalance();
BigDecimal d = convertToEth(dec);
String s = d.toString();
@ -152,7 +136,6 @@ public class EthEngine extends CoinEngine {
}
@Override
public String GetBalanceEquivalent(TangemCard mCard) {
String dec = mCard.getDecimalBalance();
@ -162,7 +145,7 @@ public class EthEngine extends CoinEngine {
@Override
public String GetBalance(TangemCard mCard) {
if(!HasBalanceInfo(mCard)){
if (!HasBalanceInfo(mCard)) {
return "-- -- -- " + GetBalanceCurrency(mCard);
}
@ -171,25 +154,21 @@ public class EthEngine extends CoinEngine {
return s;
}
public Long GetBalanceLong(TangemCard mCard)
{
public Long GetBalanceLong(TangemCard mCard) {
return mCard.getBalance();
}
public String GetBalanceWithAlter(TangemCard mCard)
{
public String GetBalanceWithAlter(TangemCard mCard) {
return GetBalance(mCard);
}
public boolean IsBalanceAlterNotZero(TangemCard card)
{
public boolean IsBalanceAlterNotZero(TangemCard card) {
return true;
}
public boolean IsBalanceNotZero(TangemCard card)
{
public boolean IsBalanceNotZero(TangemCard card) {
String balance = card.getDecimalBalance();
if(balance == null || balance == "")
if (balance == null || balance == "")
return false;
BigDecimal bi = new BigDecimal(balance);
@ -215,51 +194,55 @@ public class EthEngine extends CoinEngine {
throw new Exception("Not implemented");
}
public String GetAmountEqualentDescriptor(TangemCard mCard, String value)
{
public String GetAmountEqualentDescriptor(TangemCard mCard, String value) {
BigDecimal d = new BigDecimal(value);
return getAmountEquivalentDescriptionETH(d, mCard.getRate());
}
public boolean CheckAmount(TangemCard card, String amount) throws Exception
{
public BigDecimal GetBalanceAlterValueBigDecimal(TangemCard mCard) {
String dec = mCard.getDecimalBalanceAlter();
BigDecimal d = convertToEth(dec);
// String s = d.toString();
// String pattern = "#0.000"; // If you like 4 zeros
// DecimalFormat myFormatter = new DecimalFormat(pattern);
// String output = myFormatter.format(d);
return d;
}
public boolean CheckAmount(TangemCard card, String amount) throws Exception {
DecimalFormat decimalFormat = GetDecimalFormat();
BigDecimal amountValue = (BigDecimal) decimalFormat.parse(amount); //new BigDecimal(strAmount);
BigDecimal maxValue = new BigDecimal(GetBalanceValue(card));
if(amountValue.compareTo(maxValue) > 0 )
{
// BigDecimal maxValue = new BigDecimal(GetBalanceValue(card));
BigDecimal maxValue = GetBalanceAlterValueBigDecimal(card);
if (amountValue.compareTo(maxValue) > 0) {
return false;
}
return true;
}
public boolean HasBalanceInfo(TangemCard card)
{
public boolean HasBalanceInfo(TangemCard card) {
return card.hasBalanceInfo();
}
public Uri getShareWalletURI(TangemCard mCard)
{
public Uri getShareWalletURI(TangemCard mCard) {
return Uri.parse("" + mCard.getWallet());
}
public Uri getShareWalletURIExplorer(TangemCard mCard)
{
if(mCard.getBlockchain() == Blockchain.EthereumTestNet)
public Uri getShareWalletURIExplorer(TangemCard mCard) {
if (mCard.getBlockchain() == Blockchain.EthereumTestNet)
return Uri.parse("https://rinkeby.etherscan.io/address/" + mCard.getWallet());
else
return Uri.parse("https://etherscan.io/address/" + mCard.getWallet());
}
public boolean CheckUnspentTransaction(TangemCard mCard)
{
public boolean CheckUnspentTransaction(TangemCard mCard) {
return true;
}
public boolean CheckAmountValie(TangemCard mCard, String amountValue, String feeValue, Long minFeeInInternalUnits)
{
public boolean CheckAmountValie(TangemCard mCard, String amountValue, String feeValue, Long minFeeInInternalUnits) {
Long fee = null;
Long amount = null;
try {
@ -270,14 +253,14 @@ public class EthEngine extends CoinEngine {
return false;
}
if(fee == null || amount == null)
if (fee == null || amount == null)
return false;
if(fee == 0 || amount ==0)
if (fee == 0 || amount == 0)
return false;
if(fee < minFeeInInternalUnits)
if (fee < minFeeInInternalUnits)
return false;
@ -291,15 +274,14 @@ public class EthEngine extends CoinEngine {
return true;
}
public String EvaluteFeeEquivalent(TangemCard mCard, String fee)
{
public String EvaluteFeeEquivalent(TangemCard mCard, String fee) {
BigDecimal gweFee = new BigDecimal(fee);
gweFee = gweFee.divide(new BigDecimal("1000000000"));
gweFee = gweFee.setScale(18, RoundingMode.DOWN);
return GetAmountEqualentDescriptor(mCard, gweFee.toString());
}
public String calculateAddress(TangemCard mCard, byte[] pkUncompressed) throws NoSuchProviderException, NoSuchAlgorithmException {
public String calculateAddress(TangemCard mCard, byte[] pkUncompressed) throws NoSuchProviderException, NoSuchAlgorithmException {
Keccak256 kec = new Keccak256();
int lenPk = pkUncompressed.length;
if (lenPk < 2) {
@ -323,7 +305,7 @@ public class EthEngine extends CoinEngine {
BigInteger nonceValue = mCard.GetConfirmTXCount();
byte[] pbKey = mCard.getWalletPublicKey();
boolean flag = (mCard.getSigningMethod()== TangemCard.SigningMethod.Sign_Hash_Validated_By_Issuer);
boolean flag = (mCard.getSigningMethod() == TangemCard.SigningMethod.Sign_Hash_Validated_By_Issuer);
Issuer issuer = mCard.getIssuer();
@ -374,8 +356,7 @@ public class EthEngine extends CoinEngine {
boolean f = ECKey.verify(for_hash, new ECKey.ECDSASignature(r, s), pbKey);
if(!f)
{
if (!f) {
Log.e("ETH-CHECK", "Sign Failed.");
}