Jon Staab
66 lines
1.7 KiB
TypeScript
66 lines
1.7 KiB
TypeScript
import type {Filter} from "@welshman/util"
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import {isSignedEvent} from "@welshman/util"
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import {
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push as basePush,
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pull as basePull,
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sync as baseSync,
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pushWithoutNegentropy,
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pullWithoutNegentropy,
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syncWithoutNegentropy,
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} from "@welshman/net"
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import {repository} from "./core.js"
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import {relaysByUrl} from "./relays.js"
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const query = (filters: Filter[]) =>
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repository.query(filters, {shouldSort: filters.every(f => f.limit === undefined)})
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export const hasNegentropy = (url: string) => {
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const p = relaysByUrl.get().get(url)?.profile
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if (p?.supported_nips?.includes(77)) return true
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if (p?.software?.includes("strfry") && !p?.version?.match(/^0\./)) return true
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return false
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}
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export type AppSyncOpts = {
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relays: string[]
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filters: Filter[]
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}
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export const pull = async ({relays, filters}: AppSyncOpts) => {
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const events = query(filters)
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await Promise.all(
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relays.map(async relay => {
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await (hasNegentropy(relay)
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? basePull({filters, events, relays: [relay]})
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: pullWithoutNegentropy({filters, relays: [relay]}))
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}),
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)
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}
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export const push = async ({relays, filters}: AppSyncOpts) => {
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const events = query(filters).filter(isSignedEvent)
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await Promise.all(
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relays.map(async relay => {
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await (hasNegentropy(relay)
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? basePush({filters, events, relays: [relay]})
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: pushWithoutNegentropy({events, relays: [relay]}))
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}),
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)
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}
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export const sync = async ({relays, filters}: AppSyncOpts) => {
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const events = query(filters).filter(isSignedEvent)
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await Promise.all(
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relays.map(async relay => {
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await (hasNegentropy(relay)
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? baseSync({filters, events, relays: [relay]})
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: syncWithoutNegentropy({filters, events, relays: [relay]}))
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}),
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)
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}
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