in src/qldb/Verifier.ts [76:88]
function concatenate(...arrays: Uint8Array[]): Uint8Array {
let totalLength = 0;
for (const arr of arrays) {
totalLength += arr.length;
}
const result = new Uint8Array(totalLength);
let offset = 0;
for (const arr of arrays) {
result.set(arr, offset);
offset += arr.length;
}
return result;
}