@stricahq/cardano-codec
Version:
Cardano Codec library for parsing Cardano CBOR data types
42 lines (41 loc) • 1.74 kB
JavaScript
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseHeader = void 0;
const utils = __importStar(require("../../utils/utils"));
const parseHeader = (header, blockCbor) => {
const headerBuf = utils.getCborSpanBuffer(blockCbor, header);
// byron block header is hashed with an array with first item 1
const headerHash = utils.createHash32(Buffer.from(`8201${headerBuf.toString("hex")}`, "hex"));
return {
hash: headerHash,
blockHeight: header[3][2][0],
slot: header[3][0][1],
epoch: header[3][0][0],
prevHash: header[1].toString("hex"),
};
};
exports.parseHeader = parseHeader;
exports.default = exports.parseHeader;