JunZhang
5 years ago
committed by
GitHub
GitHub
11 changed files with 89 additions and 212 deletions
@ -1,3 +1,3 @@ |
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{ |
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"BTC": "BTC.bundle_a521a1b83cf8627d0ce5.js" |
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"BTC": "BTC.bundle_4d617bb38a890cdb2baf.js" |
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} |
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@ -1,45 +0,0 @@ |
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/* |
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* Copyright (c) 2020 Cobo |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* in the file COPYING. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package com.cobo.coinlib.utils; |
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import com.cobo.coinlib.v8.HDKeyImpl; |
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public abstract class HDKey { |
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public static HDKey getInstance() { |
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return new HDKeyImpl(); |
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} |
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/** |
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* get public key from a base58 encoded account level extend publicKey |
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* |
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* @param accountExtendPublicKey account level extend publicKey |
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* @return publicKey |
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*/ |
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abstract public String getPublicKey(String accountExtendPublicKey); |
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/** |
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* derive a public key from a base58 encoded account level extend publicKey |
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* |
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* @param AccountExtendPublicKey account level extend publicKey |
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* @param changeIndex change index |
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* @param index publicKey index |
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* @return publicKey |
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*/ |
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abstract public String derivePublicKey(String AccountExtendPublicKey, int changeIndex, int index); |
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} |
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@ -1,81 +0,0 @@ |
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/* |
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* Copyright (c) 2020 Cobo |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* in the file COPYING. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package com.cobo.coinlib.v8; |
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import com.cobo.coinlib.utils.HDKey; |
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import com.eclipsesource.v8.V8; |
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import com.eclipsesource.v8.V8Array; |
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import com.eclipsesource.v8.V8Function; |
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import com.eclipsesource.v8.V8TypedArray; |
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import org.bouncycastle.util.encoders.Hex; |
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public class HDKeyImpl extends HDKey { |
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private V8 v8; |
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private V8Function getPublicKeyFunction; |
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private V8Function derivePublicKeyFunction; |
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private final String nameSpace = "cryptoCoinKit.utils."; |
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@Override |
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public String getPublicKey(String accountExtendPublicKey) { |
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checkAndInit(); |
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if (getPublicKeyFunction == null) { |
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getPublicKeyFunction = (V8Function) v8.executeObjectScript(nameSpace + "xpubToPubkey"); |
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} |
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V8Array params = new V8Array(v8); |
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params.push(accountExtendPublicKey); |
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V8TypedArray pubkeyBuffer = (V8TypedArray) getPublicKeyFunction.call(v8, params); |
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String publicKey = Hex.toHexString(pubkeyBuffer.getBytes(0, pubkeyBuffer.length())); |
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params.close(); |
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pubkeyBuffer.close(); |
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getPublicKeyFunction.close(); |
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v8.close(); |
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return publicKey; |
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} |
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@Override |
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public String derivePublicKey(String accountExtendPublicKey, int changeIndex, int index) { |
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checkAndInit(); |
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if (derivePublicKeyFunction == null) { |
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derivePublicKeyFunction = (V8Function) v8.executeObjectScript(nameSpace + "xpubToPubkey"); |
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} |
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V8Array params = new V8Array(v8); |
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V8Array derivePath = new V8Array(v8); |
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params.push(accountExtendPublicKey). |
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push(derivePath.push(changeIndex).push(index)); |
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V8TypedArray pubkeyBuffer = (V8TypedArray) derivePublicKeyFunction.call(v8, params); |
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String publicKey = Hex.toHexString(pubkeyBuffer.getBytes(0, pubkeyBuffer.length())); |
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params.close(); |
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pubkeyBuffer.close(); |
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derivePath.close(); |
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derivePublicKeyFunction.close(); |
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v8.close(); |
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return publicKey; |
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} |
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private void checkAndInit() { |
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if (v8 == null || v8.isReleased()) { |
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v8 = ScriptLoader.sInstance.loadByFileName("utils.bundle.js"); |
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} |
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} |
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} |
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