@vechain/connex-driver
Version:
Connex framework driver implementation
48 lines • 3.26 kB
JavaScript
import { secp256k1, address } from 'thor-devkit';
/** class simply implements Wallet interface */
export class SimpleWallet {
constructor() {
this.keys = [];
}
get list() {
return this.keys.map(k => {
return {
address: k.address,
sign(msgHash) {
return Promise.resolve(secp256k1.sign(msgHash, k.privateKey));
}
};
});
}
/**
* import private key
* @param privateKey hex string presented private key
* @returns address derived from the private key
*/
import(privateKey) {
if (privateKey.startsWith('0x')) {
privateKey = privateKey.slice(2);
}
if (!/^[0-9a-f]{64}$/i.test(privateKey)) {
throw new Error('invalid private key');
}
const buf = Buffer.from(privateKey, 'hex');
const addr = address.fromPublicKey(secp256k1.derivePublicKey(buf));
this.keys.push({ address: addr, privateKey: buf });
return addr;
}
/**
* remove corresponding key by given address
* @param addr address
* @returns true if found and removed, false otherwise
*/
remove(addr) {
const i = this.keys.findIndex(k => k.address === addr.toLowerCase());
if (i >= 0) {
this.keys.splice(i, 1);
return true;
}
return false;
}
}
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