@chorus-one/signer-fireblocks/dist/mjs/authProvider.js

Fireblocks signer for Chorus One SDK

import { v4 as uuid } from 'uuid';
import { KJUR, KEYUTIL } from 'jsrsasign';
export class ApiTokenProvider {
    privateKey;
    apiKey;
    constructor(privateKey, apiKey) {
        this.privateKey = privateKey;
        this.apiKey = apiKey;
    }
    signJwt(path, bodyJson) {
        const header = {
            alg: 'RS256',
            typ: 'JWT'
        };
        const payload = {
            uri: path,
            nonce: uuid(),
            iat: Math.floor(Date.now() / 1000),
            exp: Math.floor(Date.now() / 1000) + 55,
            sub: this.apiKey,
            bodyHash: KJUR.crypto.Util.sha256(JSON.stringify(bodyJson || ''))
        };
        const sHeader = JSON.stringify(header);
        const sPayload = JSON.stringify(payload);
        const privateKeyObject = KEYUTIL.getKey(this.privateKey);
        const token = KJUR.jws.JWS.sign('RS256', sHeader, sPayload, privateKeyObject);
        return token;
    }
    getApiKey() {
        return this.apiKey;
    }
}
export function getAuthProvider(privateKey, apiKey) {
    return new ApiTokenProvider(privateKey, apiKey);
}