+ // RSK - RSK functions - begin
+ function stripHexPrefix(address) {
+ if (typeof address !== "string") {
+ throw new Error("address parameter should be a string.");
+ }
+
+ var hasPrefix = (address.substring(0, 2) === "0x" ||
+ address.substring(0, 2) === "0X");
+
+ return hasPrefix ? address.slice(2) : address;
+ };
+
+ function toChecksumAddressForRsk(address, chainId = null) {
+ if (typeof address !== "string") {
+ throw new Error("address parameter should be a string.");
+ }
+
+ if (!/^(0x)?[0-9a-f]{40}$/i.test(address)) {
+ throw new Error("Given address is not a valid RSK address: " + address);
+ }
+
+ var stripAddress = stripHexPrefix(address).toLowerCase();
+ var prefix = chainId != null ? chainId.toString() + "0x" : "";
+ var keccakHash = libs.ethUtil.keccak256(prefix + stripAddress)
+ .toString("hex")
+ .replace(/^0x/i, "");
+ var checksumAddress = "0x";
+
+ for (var i = 0; i < stripAddress.length; i++) {
+ checksumAddress +=
+ parseInt(keccakHash[i], 16) >= 8 ?
+ stripAddress[i].toUpperCase() :
+ stripAddress[i];
+ }
+
+ return checksumAddress;
+ }
+
+ // RSK - RSK functions - end
+
+ // ELA - Elastos functions - begin
+ function displayBip44InfoForELA() {
+ if (!isELA()) {
+ return;
+ }
+
+ var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
+ var account = parseIntNoNaN(DOM.bip44account.val(), 0);
+
+ // Calculate the account extended keys
+ var accountXprv = libs.elastosjs.getAccountExtendedPrivateKey(seed, coin, account);
+ var accountXpub = libs.elastosjs.getAccountExtendedPublicKey(seed, coin, account);
+
+ // Display the extended keys
+ DOM.bip44accountXprv.val(accountXprv);
+ DOM.bip44accountXpub.val(accountXpub);
+ }
+
+ function displayBip32InfoForELA() {
+ if (!isELA()) {
+ return;
+ }
+
+ var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
+ var account = parseIntNoNaN(DOM.bip44account.val(), 0);
+ var change = parseIntNoNaN(DOM.bip44change.val(), 0);
+
+ DOM.extendedPrivKey.val(libs.elastosjs.getBip32ExtendedPrivateKey(seed, coin, account, change));
+ DOM.extendedPubKey.val(libs.elastosjs.getBip32ExtendedPublicKey(seed, coin, account, change));
+
+ // Display the addresses and privkeys
+ clearAddressesList();
+ var initialAddressCount = parseInt(DOM.rowsToAdd.val());
+ displayAddresses(0, initialAddressCount);
+ }
+
+ function calcAddressForELA(seed, coin, account, change, index) {
+ if (!isELA()) {
+ return;
+ }
+
+ var publicKey = libs.elastosjs.getDerivedPublicKey(libs.elastosjs.getMasterPublicKey(seed), change, index);
+ return {
+ privateKey: libs.elastosjs.getDerivedPrivateKey(seed, coin, account, change, index),
+ publicKey: publicKey,
+ address: libs.elastosjs.getAddress(publicKey.toString('hex'))
+ };
+ }
+ // ELA - Elastos functions - end
+