in src/QldbHash.ts [75:87]
static toQldbHash(value: any): QldbHash {
if (typeof value === "string") {
const writer: Writer = makeTextWriter();
writer.writeString(value);
writer.close();
value = writer.getBytes();
}
const hashReader: HashReader = makeHashReader(makeReader(value), cryptoHasherProvider("sha256"));
hashReader.next();
hashReader.next();
const digest: Uint8Array = hashReader.digest();
return new QldbHash(digest);
}