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better xpub header type support

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This commit is contained in:
Craig Raw 2020-08-24 10:11:33 +02:00
parent 0fbce035a3
commit ea5101dff7
1 changed files with 35 additions and 27 deletions
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62
src/main/java/com/sparrowwallet/drongo/ExtendedKey.java
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@ -107,7 +107,7 @@ public class ExtendedKey {
throw new IllegalArgumentException("Found unexpected data in key"); throw new IllegalArgumentException("Found unexpected data in key");
} }
if(header.isPrivate()) { if(header.isPrivateKey()) {
DeterministicKey prvKey = HDKeyDerivation.createMasterPrivKeyFromBytes(Arrays.copyOfRange(data, 1, 33), chainCode, path); DeterministicKey prvKey = HDKeyDerivation.createMasterPrivKeyFromBytes(Arrays.copyOfRange(data, 1, 33), chainCode, path);
return new ExtendedKey(prvKey, parentFingerprint, childNumber); return new ExtendedKey(prvKey, parentFingerprint, childNumber);
} else { } else {
@ -145,35 +145,39 @@ public class ExtendedKey {
} }
public enum Header { public enum Header {
xprv("xprv", 0x0488ADE4, ScriptType.P2PKH), xprv("xprv", 0x0488ADE4, ScriptType.P2PKH, true, true),
xpub("xpub", 0x0488B21E, ScriptType.P2PKH), xpub("xpub", 0x0488B21E, ScriptType.P2PKH, false, true),
yprv("yprv", 0x049D7878, ScriptType.P2SH_P2WPKH), yprv("yprv", 0x049D7878, ScriptType.P2SH_P2WPKH, true, true),
ypub("ypub", 0x049D7CB2, ScriptType.P2SH_P2WPKH), ypub("ypub", 0x049D7CB2, ScriptType.P2SH_P2WPKH, false, true),
zprv("zprv", 0x04b2430c, ScriptType.P2WPKH), zprv("zprv", 0x04b2430c, ScriptType.P2WPKH, true, true),
zpub("zpub", 0x04B24746, ScriptType.P2WPKH), zpub("zpub", 0x04B24746, ScriptType.P2WPKH, false, true),
Yprv("Yprv", 0x0295b005, ScriptType.P2SH_P2WSH), Yprv("Yprv", 0x0295b005, ScriptType.P2SH_P2WSH, true, true),
Ypub("Ypub", 0x0295b43f, ScriptType.P2SH_P2WSH), Ypub("Ypub", 0x0295b43f, ScriptType.P2SH_P2WSH, false, true),
Zprv("Zprv", 0x02aa7a99, ScriptType.P2WSH), Zprv("Zprv", 0x02aa7a99, ScriptType.P2WSH, true, true),
Zpub("Zpub", 0x02aa7ed3, ScriptType.P2WSH), Zpub("Zpub", 0x02aa7ed3, ScriptType.P2WSH, false, true),
tpub("tpub", 0x043587cf, ScriptType.P2PKH), tprv("tprv", 0x04358394, ScriptType.P2PKH, true, false),
tprv("tprv", 0x04358394, ScriptType.P2PKH), tpub("tpub", 0x043587cf, ScriptType.P2PKH, false, false),
uprv("uprv", 0x044a4e28, ScriptType.P2SH_P2WPKH), uprv("uprv", 0x044a4e28, ScriptType.P2SH_P2WPKH, true, false),
upub("upub", 0x044a5262, ScriptType.P2SH_P2WPKH), upub("upub", 0x044a5262, ScriptType.P2SH_P2WPKH, false, false),
vprv("vprv", 0x045f18bc, ScriptType.P2WPKH), vprv("vprv", 0x045f18bc, ScriptType.P2WPKH, true, false),
vpub("vpub", 0x045f1cf6, ScriptType.P2WPKH), vpub("vpub", 0x045f1cf6, ScriptType.P2WPKH, false, false),
Uprv("Uprv", 0x024285b5, ScriptType.P2SH_P2WSH), Uprv("Uprv", 0x024285b5, ScriptType.P2SH_P2WSH, true, false),
Upub("Upub", 0x024289ef, ScriptType.P2SH_P2WSH), Upub("Upub", 0x024289ef, ScriptType.P2SH_P2WSH, false, false),
Vprv("Vprv", 0x02575048, ScriptType.P2WSH), Vprv("Vprv", 0x02575048, ScriptType.P2WSH, true, false),
Vpub("Vpub", 0x02575483, ScriptType.P2WSH); Vpub("Vpub", 0x02575483, ScriptType.P2WSH, false, false);
private final String name; private final String name;
private final int header; private final int header;
private final ScriptType defaultScriptType; private final ScriptType defaultScriptType;
private final boolean privateKey;
private final boolean mainnet;
Header(String name, int header, ScriptType defaultScriptType) { Header(String name, int header, ScriptType defaultScriptType, boolean privateKey, boolean mainnet) {
this.name = name; this.name = name;
this.header = header; this.header = header;
this.defaultScriptType = defaultScriptType; this.defaultScriptType = defaultScriptType;
this.privateKey = privateKey;
this.mainnet = mainnet;
} }
public String getName() { public String getName() {
@ -188,6 +192,14 @@ public class ExtendedKey {
return defaultScriptType; return defaultScriptType;
} }
public boolean isPrivateKey() {
return privateKey;
}
public boolean isMainnet() {
return mainnet;
}
public static Header fromExtendedKey(String xkey) { public static Header fromExtendedKey(String xkey) {
for(Header extendedKeyHeader : Header.values()) { for(Header extendedKeyHeader : Header.values()) {
if(xkey.startsWith(extendedKeyHeader.name)) { if(xkey.startsWith(extendedKeyHeader.name)) {
@ -200,7 +212,7 @@ public class ExtendedKey {
public static Header fromScriptType(ScriptType scriptType, boolean privateKey) { public static Header fromScriptType(ScriptType scriptType, boolean privateKey) {
for(Header header : Header.values()) { for(Header header : Header.values()) {
if(header.defaultScriptType != null && header.defaultScriptType.equals(scriptType) && header.isPrivate() == privateKey) { if(header.defaultScriptType != null && header.defaultScriptType.equals(scriptType) && header.isPrivateKey() == privateKey) {
return header; return header;
} }
} }
@ -208,10 +220,6 @@ public class ExtendedKey {
return Header.xpub; return Header.xpub;
} }
private boolean isPrivate() {
return name.endsWith("prv");
}
public static Header getHeader(int header) { public static Header getHeader(int header) {
for(Header extendedKeyHeader : Header.values()) { for(Header extendedKeyHeader : Header.values()) {
if(header == extendedKeyHeader.header) { if(header == extendedKeyHeader.header) {