change from under_scores to camelCase
camelCase is the bitcore way
This commit is contained in:
parent
91181de234
commit
63ce079f2b
162
BIP32.js
162
BIP32.js
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@ -18,14 +18,14 @@ var BIP32 = function(bytes) {
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if (bytes == 'mainnet' || bytes == 'livenet' || bytes == 'testnet') {
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this.depth = 0x00;
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this.parent_fingerprint = new Buffer([0, 0, 0, 0]);
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this.child_index = new Buffer([0, 0, 0, 0]);
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this.chain_code = Key.generateSync().private;
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this.parentFingerprint = new Buffer([0, 0, 0, 0]);
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this.childIndex = new Buffer([0, 0, 0, 0]);
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this.chainCode = Key.generateSync().private;
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this.eckey = Key.generateSync();
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this.has_private_key = true;
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this.hasPrivateKey = true;
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this.pubKeyHash = coinUtil.sha256ripe160(this.eckey.public);
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this.build_extended_public_key();
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this.build_extended_private_key();
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this.buildExtendedPublicKey();
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this.buildExtendedPrivateKey();
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return;
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}
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@ -45,51 +45,51 @@ var BIP32 = function(bytes) {
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}
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if (bytes !== undefined)
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this.init_from_bytes(bytes);
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this.initFromBytes(bytes);
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}
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BIP32.prototype.init_from_bytes = function(bytes) {
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BIP32.prototype.initFromBytes = function(bytes) {
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// Both pub and private extended keys are 78 bytes
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if(bytes.length != 78) throw new Error("not enough data");
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this.version = u32(bytes.slice(0, 4));
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this.depth = u8(bytes.slice(4, 5));
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this.parent_fingerprint = bytes.slice(5, 9);
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this.child_index = u32(bytes.slice(9, 13));
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this.chain_code = bytes.slice(13, 45);
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this.parentFingerprint = bytes.slice(5, 9);
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this.childIndex = u32(bytes.slice(9, 13));
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this.chainCode = bytes.slice(13, 45);
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var key_bytes = bytes.slice(45, 78);
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var keyBytes = bytes.slice(45, 78);
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var is_private =
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var isPrivate =
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(this.version == networks['livenet'].bip32private ||
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this.version == networks['testnet'].bip32private );
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var is_public =
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var isPublic =
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(this.version == networks['livenet'].bip32public ||
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this.version == networks['testnet'].bip32public );
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if (is_private && key_bytes[0] == 0) {
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if (isPrivate && keyBytes[0] == 0) {
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this.eckey = new Key();
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this.eckey.private = key_bytes.slice(1, 33);
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this.eckey.private = keyBytes.slice(1, 33);
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this.eckey.compressed = true;
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this.eckey.regenerateSync();
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this.pubKeyHash = coinUtil.sha256ripe160(this.eckey.public);
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this.has_private_key = true;
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} else if (is_public && (key_bytes[0] == 0x02 || key_bytes[0] == 0x03)) {
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this.hasPrivateKey = true;
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} else if (isPublic && (keyBytes[0] == 0x02 || keyBytes[0] == 0x03)) {
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this.eckey = new Key();
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this.eckey.public = key_bytes;
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this.eckey.public = keyBytes;
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this.pubKeyHash = coinUtil.sha256ripe160(this.eckey.public);
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this.has_private_key = false;
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this.hasPrivateKey = false;
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} else {
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throw new Error("Invalid key");
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}
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this.build_extended_public_key();
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this.build_extended_private_key();
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this.buildExtendedPublicKey();
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this.buildExtendedPrivateKey();
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}
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BIP32.prototype.build_extended_public_key = function() {
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this.extended_public_key = new Buffer([]);
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BIP32.prototype.buildExtendedPublicKey = function() {
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this.extendedPublicKey = new Buffer([]);
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var v = null;
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switch(this.version) {
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@ -106,83 +106,83 @@ BIP32.prototype.build_extended_public_key = function() {
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}
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// Version
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([v >> 24])]);
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([(v >> 16) & 0xff])]);
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([(v >> 8) & 0xff])]);
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([v & 0xff])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([v >> 24])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([(v >> 16) & 0xff])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([(v >> 8) & 0xff])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([v & 0xff])]);
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// Depth
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([this.depth])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([this.depth])]);
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// Parent fingerprint
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this.extended_public_key = Buffer.concat([this.extended_public_key, this.parent_fingerprint]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, this.parentFingerprint]);
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// Child index
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([this.child_index >>> 24])]);
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([(this.child_index >>> 16) & 0xff])]);
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([(this.child_index >>> 8) & 0xff])]);
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this.extended_public_key = Buffer.concat([this.extended_public_key, new Buffer([this.child_index & 0xff])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([this.childIndex >>> 24])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([(this.childIndex >>> 16) & 0xff])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([(this.childIndex >>> 8) & 0xff])]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([this.childIndex & 0xff])]);
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// Chain code
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this.extended_public_key = Buffer.concat([this.extended_public_key, this.chain_code]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, this.chainCode]);
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// Public key
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this.extended_public_key = Buffer.concat([this.extended_public_key, this.eckey.public]);
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this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, this.eckey.public]);
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}
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BIP32.prototype.extended_public_key_string = function(format) {
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BIP32.prototype.extendedPublicKeyString = function(format) {
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if (format === undefined || format === "base58") {
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var hash = coinUtil.sha256(coinUtil.sha256(this.extended_public_key));
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var hash = coinUtil.sha256(coinUtil.sha256(this.extendedPublicKey));
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var checksum = hash.slice(0, 4);
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var data = Buffer.concat([this.extended_public_key, checksum]);
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var data = Buffer.concat([this.extendedPublicKey, checksum]);
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return base58.encode(data);
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} else if (format === "hex") {
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return this.extended_public_key.toString('hex');;
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return this.extendedPublicKey.toString('hex');;
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} else {
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throw new Error("bad format");
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}
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}
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BIP32.prototype.build_extended_private_key = function() {
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if (!this.has_private_key) return;
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this.extended_private_key = new Buffer([]);
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BIP32.prototype.buildExtendedPrivateKey = function() {
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if (!this.hasPrivateKey) return;
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this.extendedPrivateKey = new Buffer([]);
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var v = this.version;
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// Version
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([v >> 24])]);
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([(v >> 16) & 0xff])]);
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([(v >> 8) & 0xff])]);
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([v & 0xff])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([v >> 24])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([(v >> 16) & 0xff])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([(v >> 8) & 0xff])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([v & 0xff])]);
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// Depth
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([this.depth])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([this.depth])]);
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// Parent fingerprint
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this.extended_private_key = Buffer.concat([this.extended_private_key, this.parent_fingerprint]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, this.parentFingerprint]);
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// Child index
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([this.child_index >>> 24])]);
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([(this.child_index >>> 16) & 0xff])]);
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([(this.child_index >>> 8) & 0xff])]);
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([this.child_index & 0xff])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([this.childIndex >>> 24])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([(this.childIndex >>> 16) & 0xff])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([(this.childIndex >>> 8) & 0xff])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([this.childIndex & 0xff])]);
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// Chain code
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this.extended_private_key = Buffer.concat([this.extended_private_key, this.chain_code]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, this.chainCode]);
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// Private key
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this.extended_private_key = Buffer.concat([this.extended_private_key, new Buffer([0])]);
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this.extended_private_key = Buffer.concat([this.extended_private_key, this.eckey.private]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([0])]);
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this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, this.eckey.private]);
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}
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BIP32.prototype.extended_private_key_string = function(format) {
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BIP32.prototype.extendedPrivateKeyString = function(format) {
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if (format === undefined || format === "base58") {
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var hash = coinUtil.sha256(coinUtil.sha256(this.extended_private_key));
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var hash = coinUtil.sha256(coinUtil.sha256(this.extendedPrivateKey));
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var checksum = hash.slice(0, 4);
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var data = Buffer.concat([this.extended_private_key, checksum]);
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var data = Buffer.concat([this.extendedPrivateKey, checksum]);
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return base58.encode(data);
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} else if (format === "hex") {
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return this.extended_private_key.toString('hex');
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return this.extendedPrivateKey.toString('hex');
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} else {
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throw new Error("bad format");
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}
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@ -205,19 +205,19 @@ BIP32.prototype.derive = function(path) {
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continue;
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}
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var use_private = (c.length > 1) && (c[c.length-1] == '\'');
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var child_index = parseInt(use_private ? c.slice(0, c.length - 1) : c) & 0x7fffffff;
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var usePrivate = (c.length > 1) && (c[c.length-1] == '\'');
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var childIndex = parseInt(usePrivate ? c.slice(0, c.length - 1) : c) & 0x7fffffff;
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if (use_private)
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child_index += 0x80000000;
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if (usePrivate)
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childIndex += 0x80000000;
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bip32 = bip32.derive_child(child_index);
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bip32 = bip32.deriveChild(childIndex);
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}
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return bip32;
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}
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BIP32.prototype.derive_child = function(i) {
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BIP32.prototype.deriveChild = function(i) {
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var ib = [];
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ib.push((i >> 24) & 0xff);
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ib.push((i >> 16) & 0xff);
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@ -225,26 +225,26 @@ BIP32.prototype.derive_child = function(i) {
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ib.push(i & 0xff);
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ib = new Buffer(ib);
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var use_private = (i & 0x80000000) != 0;
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var usePrivate = (i & 0x80000000) != 0;
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var is_private =
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var isPrivate =
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(this.version == networks['livenet'].bip32private ||
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this.version == networks['testnet'].bip32private );
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if (use_private && (!this.has_private_key || !is_private))
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if (usePrivate && (!this.hasPrivateKey || !isPrivate))
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throw new Error("Cannot do private key derivation without private key");
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var ret = null;
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if (this.has_private_key) {
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if (this.hasPrivateKey) {
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var data = null;
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if (use_private) {
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if (usePrivate) {
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data = Buffer.concat([new Buffer([0]), this.eckey.private, ib]);
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} else {
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data = Buffer.concat([this.eckey.public, ib]);
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}
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var hash = coinUtil.sha512hmac(data, this.chain_code);
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var hash = coinUtil.sha512hmac(data, this.chainCode);
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var il = bignum.fromBuffer(hash.slice(0, 32), {size: 32});
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var ir = hash.slice(32, 64);
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@ -253,16 +253,16 @@ BIP32.prototype.derive_child = function(i) {
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var k = il.add(priv).mod(secp256k1_n);
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ret = new BIP32();
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ret.chain_code = ir;
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ret.chainCode = ir;
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ret.eckey = new Key();
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ret.eckey.private = k.toBuffer({size: 32});
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ret.eckey.regenerateSync();
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ret.has_private_key = true;
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ret.hasPrivateKey = true;
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} else {
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var data = Buffer.concat([this.eckey.public, ib]);
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var hash = coinUtil.sha512hmac(data, this.chain_code);
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var hash = coinUtil.sha512hmac(data, this.chainCode);
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var il = bignum.fromBuffer(hash.slice(0, 32), {size: 32});
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var ir = hash.slice(32, 64);
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@ -277,24 +277,24 @@ BIP32.prototype.derive_child = function(i) {
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var newpub = Point.add(ilG, Kpar).toKey().public;
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ret = new BIP32();
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ret.chain_code = new Buffer(ir);
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ret.chainCode = new Buffer(ir);
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var eckey = new Key();
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eckey.public = newpub;
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ret.eckey = eckey;
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ret.has_private_key = false;
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ret.hasPrivateKey = false;
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}
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ret.child_index = i;
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ret.parent_fingerprint = this.pubKeyHash.slice(0,4);
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ret.childIndex = i;
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ret.parentFingerprint = this.pubKeyHash.slice(0,4);
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ret.version = this.version;
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ret.depth = this.depth + 1;
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ret.eckey.compressed = true;
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ret.pubKeyHash = coinUtil.sha256ripe160(ret.eckey.public);
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ret.build_extended_public_key();
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ret.build_extended_private_key();
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ret.buildExtendedPublicKey();
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ret.buildExtendedPrivateKey();
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return ret;
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}
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@ -62,86 +62,86 @@ describe('BIP32', function() {
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it('should get the extended public key from the extended private key for test vector 1', function() {
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var bip32 = new BIP32(vector1_m_private);
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bip32.extended_public_key_string().should.equal(vector1_m_public);
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bip32.extendedPublicKeyString().should.equal(vector1_m_public);
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});
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it("should get m/0' ext. private key from test vector 1", function() {
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var bip32 = new BIP32(vector1_m_private);
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var child = bip32.derive("m/0'");
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should.exist(child);
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child.extended_private_key_string().should.equal(vector1_m0h_private);
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child.extendedPrivateKeyString().should.equal(vector1_m0h_private);
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});
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it("should get m/0' ext. public key from test vector 1", function() {
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var bip32 = new BIP32(vector1_m_private);
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var child = bip32.derive("m/0'");
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should.exist(child);
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child.extended_public_key_string().should.equal(vector1_m0h_public);
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child.extendedPublicKeyString().should.equal(vector1_m0h_public);
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});
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it("should get m/0'/1 ext. private key from test vector 1", function() {
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var bip32 = new BIP32(vector1_m_private);
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var child = bip32.derive("m/0'/1");
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should.exist(child);
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child.extended_private_key_string().should.equal(vector1_m0h1_private);
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child.extendedPrivateKeyString().should.equal(vector1_m0h1_private);
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});
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it("should get m/0'/1 ext. public key from test vector 1", function() {
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var bip32 = new BIP32(vector1_m_private);
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var child = bip32.derive("m/0'/1");
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should.exist(child);
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child.extended_public_key_string().should.equal(vector1_m0h1_public);
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child.extendedPublicKeyString().should.equal(vector1_m0h1_public);
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});
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it("should get m/0'/1 ext. public key from m/0' public key from test vector 1", function() {
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var bip32 = new BIP32(vector1_m_private);
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var child = bip32.derive("m/0'");
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var child_pub = new BIP32(child.extended_public_key_string());
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var child_pub = new BIP32(child.extendedPublicKeyString());
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var child2 = child_pub.derive("m/1");
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should.exist(child2);
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child2.extended_public_key_string().should.equal(vector1_m0h1_public);
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child2.extendedPublicKeyString().should.equal(vector1_m0h1_public);
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});
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it("should get m/0'/1/2h ext. private key from test vector 1", function() {
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var bip32 = new BIP32(vector1_m_private);
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var child = bip32.derive("m/0'/1/2'");
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should.exist(child);
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child.extended_private_key_string().should.equal(vector1_m0h12h_private);
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child.extendedPrivateKeyString().should.equal(vector1_m0h12h_private);
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});
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it("should get m/0'/1/2h ext. public key from test vector 1", function() {
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var bip32 = new BIP32(vector1_m_private);
|
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var child = bip32.derive("m/0'/1/2'");
|
||||
should.exist(child);
|
||||
child.extended_public_key_string().should.equal(vector1_m0h12h_public);
|
||||
child.extendedPublicKeyString().should.equal(vector1_m0h12h_public);
|
||||
});
|
||||
|
||||
it("should get m/0'/1/2h/2 ext. private key from test vector 1", function() {
|
||||
var bip32 = new BIP32(vector1_m_private);
|
||||
var child = bip32.derive("m/0'/1/2'/2");
|
||||
should.exist(child);
|
||||
child.extended_private_key_string().should.equal(vector1_m0h12h2_private);
|
||||
child.extendedPrivateKeyString().should.equal(vector1_m0h12h2_private);
|
||||
});
|
||||
|
||||
it("should get m/0'/1/2h/2 ext. public key from test vector 1", function() {
|
||||
var bip32 = new BIP32(vector1_m_private);
|
||||
var child = bip32.derive("m/0'/1/2'/2");
|
||||
should.exist(child);
|
||||
child.extended_public_key_string().should.equal(vector1_m0h12h2_public);
|
||||
child.extendedPublicKeyString().should.equal(vector1_m0h12h2_public);
|
||||
});
|
||||
|
||||
it("should get m/0'/1/2h/2/1000000000 ext. private key from test vector 1", function() {
|
||||
var bip32 = new BIP32(vector1_m_private);
|
||||
var child = bip32.derive("m/0'/1/2'/2/1000000000");
|
||||
should.exist(child);
|
||||
child.extended_private_key_string().should.equal(vector1_m0h12h21000000000_private);
|
||||
child.extendedPrivateKeyString().should.equal(vector1_m0h12h21000000000_private);
|
||||
});
|
||||
|
||||
it("should get m/0'/1/2h/2/1000000000 ext. public key from test vector 1", function() {
|
||||
var bip32 = new BIP32(vector1_m_private);
|
||||
var child = bip32.derive("m/0'/1/2'/2/1000000000");
|
||||
should.exist(child);
|
||||
child.extended_public_key_string().should.equal(vector1_m0h12h21000000000_public);
|
||||
child.extendedPublicKeyString().should.equal(vector1_m0h12h21000000000_public);
|
||||
});
|
||||
|
||||
it('should initialize test vector 2 from the extended public key', function() {
|
||||
|
@ -156,77 +156,77 @@ describe('BIP32', function() {
|
|||
|
||||
it('should get the extended public key from the extended private key for test vector 2', function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
bip32.extended_public_key_string().should.equal(vector2_m_public);
|
||||
bip32.extendedPublicKeyString().should.equal(vector2_m_public);
|
||||
});
|
||||
|
||||
it("should get m/0 ext. private key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0");
|
||||
should.exist(child);
|
||||
child.extended_private_key_string().should.equal(vector2_m0_private);
|
||||
child.extendedPrivateKeyString().should.equal(vector2_m0_private);
|
||||
});
|
||||
|
||||
it("should get m/0 ext. public key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0");
|
||||
should.exist(child);
|
||||
child.extended_public_key_string().should.equal(vector2_m0_public);
|
||||
child.extendedPublicKeyString().should.equal(vector2_m0_public);
|
||||
});
|
||||
|
||||
it("should get m/0/2147483647h ext. private key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0/2147483647'");
|
||||
should.exist(child);
|
||||
child.extended_private_key_string().should.equal(vector2_m02147483647h_private);
|
||||
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h_private);
|
||||
});
|
||||
|
||||
it("should get m/0/2147483647h ext. public key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0/2147483647'");
|
||||
should.exist(child);
|
||||
child.extended_public_key_string().should.equal(vector2_m02147483647h_public);
|
||||
child.extendedPublicKeyString().should.equal(vector2_m02147483647h_public);
|
||||
});
|
||||
|
||||
it("should get m/0/2147483647h/1 ext. private key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0/2147483647'/1");
|
||||
should.exist(child);
|
||||
child.extended_private_key_string().should.equal(vector2_m02147483647h1_private);
|
||||
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h1_private);
|
||||
});
|
||||
|
||||
it("should get m/0/2147483647h/1 ext. public key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0/2147483647'/1");
|
||||
should.exist(child);
|
||||
child.extended_public_key_string().should.equal(vector2_m02147483647h1_public);
|
||||
child.extendedPublicKeyString().should.equal(vector2_m02147483647h1_public);
|
||||
});
|
||||
|
||||
it("should get m/0/2147483647h/1/2147483646h ext. private key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0/2147483647'/1/2147483646'");
|
||||
should.exist(child);
|
||||
child.extended_private_key_string().should.equal(vector2_m02147483647h12147483646h_private);
|
||||
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h12147483646h_private);
|
||||
});
|
||||
|
||||
it("should get m/0/2147483647h/1/2147483646h ext. public key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0/2147483647'/1/2147483646'");
|
||||
should.exist(child);
|
||||
child.extended_public_key_string().should.equal(vector2_m02147483647h12147483646h_public);
|
||||
child.extendedPublicKeyString().should.equal(vector2_m02147483647h12147483646h_public);
|
||||
});
|
||||
|
||||
it("should get m/0/2147483647h/1/2147483646h/2 ext. private key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0/2147483647'/1/2147483646'/2");
|
||||
should.exist(child);
|
||||
child.extended_private_key_string().should.equal(vector2_m02147483647h12147483646h2_private);
|
||||
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h12147483646h2_private);
|
||||
});
|
||||
|
||||
it("should get m/0/2147483647h/1/2147483646h/2 ext. public key from test vector 2", function() {
|
||||
var bip32 = new BIP32(vector2_m_private);
|
||||
var child = bip32.derive("m/0/2147483647'/1/2147483646'/2");
|
||||
should.exist(child);
|
||||
child.extended_public_key_string().should.equal(vector2_m02147483647h12147483646h2_public);
|
||||
child.extendedPublicKeyString().should.equal(vector2_m02147483647h12147483646h2_public);
|
||||
});
|
||||
|
||||
});
|
||||
|
|
Loading…
Reference in New Issue