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Refactor handleHandshakeMsg
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Sosthene 2025-09-08 21:59:52 +02:00
parent ef31cba983
commit c8ac815e2b
1 changed files with 46 additions and 43 deletions
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87
src/services/service.ts
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@ -1405,8 +1405,8 @@ export default class Services {
const existing = await this.getProcess(processId);
if (existing) {
// Look for state id we don't know yet
let new_states = [];
let roles = [];
let newStates: string[] = [];
let newRoles: Record<string, RoleDefinition>[] = [];
for (const state of process.states) {
if (!state || !state.state_id) { continue; } // shouldn't happen
if (state.state_id === EMPTY32BYTES) {
@ -1414,63 +1414,66 @@ export default class Services {
const existingTip = existing.states[existing.states.length - 1].commited_in;
if (existingTip !== state.commited_in) {
console.log('Found new tip for process', processId);
// We update the process
new_states.push(state.state_id);
roles.push(state.roles);
existing.states.pop(); // We discard the last state
existing.states.push(state);
// We know that's the last state, so we just trigger the update
toSave[processId] = existing;
}
} else if (!this.lookForStateId(existing, state.state_id)) {
// We don't want to overwrite what we already have for existing processes
// We may end up overwriting the keys for example
// So the process we're going to save needs to merge new states with what we already have
const existingLastState = existing.states.pop();
if (!existingLastState) {
// This should never happen
console.error('Failed to get last state for process', processId);
break;
}
existing.states.push(state);
existing.states.push(existingLastState);
toSave[processId] = existing; // We mark it for update
if (this.rolesContainsUs(state.roles)) {
new_states.push(state.state_id);
roles.push(state.roles);
newStates.push(state.state_id);
newRoles.push(state.roles);
}
} else {
// We already have the state, but we check if we have the keys
const existingState = this.getStateFromId(existing, state.state_id);
if (existingState!.keys && Object.keys(existingState!.keys).length != 0) {
// We have some keys, so we just assume everything ok and move on for now
continue;
} else {
// We verify we are part of the roles
const roles = state.roles;
if (this.rolesContainsUs(roles)) {
// We don't have keys, but we are part of the roles, so we need to request the keys
// that may also be because we are part of a role that don't have any fields
// It's possible but let's request for nothing anyway
newStates.push(state.state_id);
newRoles.push(roles);
} else {
// We are simply not involved, move on
continue;
}
}
}
}
if (new_states.length != 0) {
// We request the new states
// filter out the empty state, if any
// empty state will always be last, so that's easy
if (new_states.findLast(state => state === EMPTY32BYTES)) {
new_states.pop();
roles.pop();
if (newStates.length != 0) {
await this.requestDataFromPeers(processId, newStates, newRoles);
}
await this.requestDataFromPeers(processId, new_states, roles);
toSave[processId] = process;
}
// Just to be sure check if that's a pairing process
const lastCommitedState = this.getLastCommitedState(process);
if (lastCommitedState && lastCommitedState.public_data && lastCommitedState.public_data['pairedAddresses']) {
// This is a pairing process
try {
const pairedAddresses = this.decodeValue(lastCommitedState.public_data['pairedAddresses']);
// Are we part of it?
if (pairedAddresses && pairedAddresses.length > 0 && pairedAddresses.includes(this.getDeviceAddress())) {
// We save the process to db
await this.saveProcessToDb(processId, process as Process);
// We update the device
await this.updateDevice();
}
} catch (e) {
console.error('Failed to check for pairing process:', e);
}
}
// Otherwise we're probably just in the initial loading at page initialization
// We may learn an update for this process
// TODO maybe actually check if what the relay is sending us contains more information than what we have
// relay should always have more info than us, but we never know
// For now let's keep it simple and let the worker do the job
} else {
// We add it to db
console.log(`Saving ${processId} to db`);
toSave[processId] = process;
}
}
if (toSave && Object.keys(toSave).length > 0) {
console.log('batch saving processes to db', toSave);
await this.batchSaveProcessesToDb(toSave);
}
}
}, 500)
} catch (e) {
console.error('Failed to parse init message:', e);