GiftedHacker/tangem-app-android-audited
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Updated on 2026-08-14

Browse source
This commit is contained in:
Tangem 2018-06-08 14:10:28 +03:00
parent a731ddba76
commit f95c6c4fe8
3 changed files with 43 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

18
app/src/main/java/com/tangem/util/BTCUtils.java
View file

@ -15,9 +15,12 @@ import com.tangem.domain.wallet.UnspentOutputInfo;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
@ -100,6 +103,20 @@ public final class BTCUtils {
return new String(hexChars);
}
public static String satoshiToBtc(byte[] satoshi)
{
satoshi = reverse(satoshi);
BigInteger num = new BigInteger(1, satoshi);
BigDecimal dec = new BigDecimal(num);
dec = dec.setScale(8, RoundingMode.DOWN);
dec = dec.divide(new BigDecimal("100000000"));
String pattern = "#0.00000000";
DecimalFormat myFormatter = new DecimalFormat(pattern);
String output = myFormatter.format(dec);
return output;
}
public static byte[] buildTXForSign(String myAddress, String outputAddress, String changeAddress, ArrayList<UnspentOutputInfo> unspentOutputs, int currentInputPos, long amount, long change) throws BitcoinException, IOException {
byte[] myScript = Transaction.Script.buildOutput(myAddress).bytes;
@ -491,3 +508,4 @@ public final class BTCUtils {
}
}