本文整理汇总了TypeScript中stellar-sdk.Keypair.fromPublicKey方法的典型用法代码示例。如果您正苦于以下问题：TypeScript Keypair.fromPublicKey方法的具体用法？TypeScript Keypair.fromPublicKey怎么用？TypeScript Keypair.fromPublicKey使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类stellar-sdk.Keypair的用法示例。
在下文中一共展示了Keypair.fromPublicKey方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: initiateRecovery
/**
* Generates Stellar keypairs from the user key and backup key
* @param params
* - userKey: user keypair private key (encrypted or plaintext)
* - backupKey: backup keypair public key (plaintext) or private key (encrypted or plaintext)
* @returns {stellar.Keypair[]} array of user and backup keypairs
*/
initiateRecovery(params) {
const keys = [];
let userKey = params.userKey;
let backupKey = params.backupKey;
// Stellar's Ed25519 public keys start with a G, while private keys start with an S
const isKrsRecovery = backupKey.startsWith('G') && !userKey.startsWith('G');
const isUnsignedSweep = backupKey.startsWith('G') && userKey.startsWith('G');
if (isKrsRecovery && _.isUndefined(config.krsProviders[params.krsProvider])) {
throw new Error(`Unknown key recovery service provider - ${params.krsProvider}`);
}
if (isKrsRecovery && !config.krsProviders[params.krsProvider].supportedCoins.includes(this.getFamily())) {
throw new Error(`Specified key recovery service does not support recoveries for ${this.getChain()}`);
}
if (!this.isValidAddress(params.recoveryDestination)) {
throw new Error('Invalid destination address!');
}
try {
if (!userKey.startsWith('S') && !userKey.startsWith('G')) {
userKey = this.bitgo.decrypt({
input: userKey,
password: params.walletPassphrase
});
}
const userKeyPair = isUnsignedSweep ? stellar.Keypair.fromPublicKey(userKey) : stellar.Keypair.fromSecret(userKey);
keys.push(userKeyPair);
} catch (e) {
throw new Error('Failed to decrypt user key with passcode - try again!');
}
try {
if (!backupKey.startsWith('S') && !isKrsRecovery && !isUnsignedSweep) {
backupKey = this.bitgo.decrypt({
input: backupKey,
password: params.walletPassphrase
});
}
if (isKrsRecovery || isUnsignedSweep) {
keys.push(stellar.Keypair.fromPublicKey(backupKey));
} else {
keys.push(stellar.Keypair.fromSecret(backupKey));
}
} catch (e) {
throw new Error('Failed to decrypt backup key with passcode - try again!');
}
return keys;
}示例2: verifySignature
/**
* Verifies if signature for message is valid.
*
* @param pub {String} public key
* @param message {Buffer|String} signed message
* @param signature {Buffer} signature to verify
* @returns {Boolean} true if signature is valid.
*/
verifySignature(pub, message, signature) {
if (!this.isValidPub(pub)) {
throw new Error(`invalid pub: ${pub}`);
}
if (!Buffer.isBuffer(message)) {
message = Buffer.from(message);
}
const keyPair = stellar.Keypair.fromPublicKey(pub);
return keyPair.verify(message, signature);
}