Envoy assumes that each DNA hash corresponds to exactly one HHA hash

[timotree3]

This is not true if two people publish the exact same happ. In that case there are two HHA hashes which both have the same DNA hash.

holo-envoy/src/index.ts

Lines 1209 to 1231 in 898ad4b

	async recordHha(hha_hash) {
	// dna2hha is add-only
	if (!this.hhaExists(hha_hash)) {
	log.info("Retrieve the hosted app cell_data using the anonymous installed_app_id: '%s'", hha_hash);
	const appInfo = await this.callConductor("app", { installed_app_id: hha_hash });
	if (!appInfo) {
	throw new Error(`No app found with installed_app_id: ${hha_hash}`);
	}
	// TODO but leave it for now: I am operating under the assumption that each dna_hash can be only in one app (identified by hha_hash)
	// Does this need to change?
	appInfo.cell_data.forEach(cell => {
	let dna_hash_string = Codec.HoloHash.encode("dna", cell.cell_id[0]); // cell.cell_id[0] is binary buffer of dna_hash
	this.dna2hha[dna_hash_string] = hha_hash;
	});
	}
	}
	hhaExists(hha_hash) {
	return Object.values(this.dna2hha).includes(hha_hash);
	}