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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| import { ApiPromise, HttpProvider, Keyring, WsProvider } from "@polkadot/api"; | ||
| import { ASSET_HUB_NODE_URL, ASSET_HUB_PARA_ID, LAOS_NODE_URL, LAOS_PARA_ID, RELAYCHAIN_NODE_URL } from "./config"; | ||
| import { u64 } from "@polkadot/types"; | ||
| const delay = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms)); | ||
|
|
||
| const awaitBlockProduction = async (nodeUrl: string) => { | ||
| const api = await ApiPromise.create({ | ||
| provider: new HttpProvider(nodeUrl), | ||
| noInitWarn: true, | ||
| }); | ||
|
|
||
| await api.isReady; | ||
|
|
||
| let counter = 3; | ||
| let blocksProducing = false; | ||
| while (!blocksProducing) { | ||
| const { number } = await api.rpc.chain.getHeader(); | ||
|
|
||
| if (number.toNumber() > 0) { | ||
| blocksProducing = true; | ||
| } | ||
| await delay(1000); | ||
|
|
||
| counter += 1; | ||
| } | ||
|
|
||
| await api.disconnect().then(() => {}); | ||
| }; | ||
|
|
||
| const awaitEpochChange = async () => { | ||
| const apiRelaychain = await ApiPromise.create({ | ||
| provider: new HttpProvider(RELAYCHAIN_NODE_URL), | ||
| noInitWarn: true, | ||
| }); | ||
|
|
||
| await apiRelaychain.isReady; | ||
| // Fetch the current epoch index and cast it to u64 | ||
| const currentEpochIndexCodec = await apiRelaychain.query.babe.epochIndex(); | ||
| const currentEpochIndex = (currentEpochIndexCodec as u64).toNumber(); | ||
|
|
||
| let counter = 1; | ||
| let changedEpoch = false; | ||
|
|
||
| while (!changedEpoch) { | ||
| // Fetch the latest epoch index and cast it to u64 | ||
| const epochIndexCodec = await apiRelaychain.query.babe.epochIndex(); | ||
| const epochIndex = (epochIndexCodec as u64).toNumber(); | ||
|
|
||
| // Compare the numerical values | ||
| if (epochIndex > currentEpochIndex + 1) { | ||
| changedEpoch = true; | ||
| } | ||
|
|
||
| await delay(1000); | ||
| counter += 1; | ||
| } | ||
|
|
||
| console.log(`Epoch has changed after ${counter} seconds.`); | ||
| }; | ||
|
|
||
| const sendOpenHrmpChannelTxs = async () => { | ||
| const apiRelaychain = await ApiPromise.create({ | ||
| provider: new HttpProvider(RELAYCHAIN_NODE_URL), | ||
| noInitWarn: true, | ||
| }); | ||
|
|
||
| await apiRelaychain.isReady; | ||
|
|
||
| const maxCapacity = 8; | ||
| const maxMessageSize = 1048576; | ||
| const keyring = new Keyring({ type: "sr25519" }); | ||
| const sudo = keyring.addFromUri("//Alice"); | ||
|
|
||
| const hrmpChannelCalls = []; | ||
|
|
||
| hrmpChannelCalls.push( | ||
| apiRelaychain.tx.hrmp.forceOpenHrmpChannel(LAOS_PARA_ID, ASSET_HUB_PARA_ID, maxCapacity, maxMessageSize) | ||
| ); | ||
| hrmpChannelCalls.push( | ||
| apiRelaychain.tx.hrmp.forceOpenHrmpChannel(ASSET_HUB_PARA_ID, LAOS_PARA_ID, maxCapacity, maxMessageSize) | ||
| ); | ||
| await apiRelaychain.tx.sudo.sudo(apiRelaychain.tx.utility.batchAll(hrmpChannelCalls)).signAndSend(sudo); | ||
| }; | ||
|
|
||
| const openChannel = async (api: ApiPromise, sender: number, recipient: number) => { | ||
| console.log("[HRMP] Opening channel between ", sender, " and ", recipient); | ||
| const maxCapacity = 8; | ||
| const maxMessageSize = 1048576; | ||
| const keyring = new Keyring({ type: "sr25519" }); | ||
| const sudo = keyring.addFromUri("//Alice"); | ||
|
|
||
| const tx = api.tx.hrmp.forceOpenHrmpChannel(sender, recipient, maxCapacity, maxMessageSize); | ||
| api.tx.sudo | ||
| .sudo(tx) | ||
| .signAndSend(sudo, () => {}) | ||
| .catch((error: any) => { | ||
| console.log("transaction failed", error); | ||
| }); | ||
|
|
||
| while ((await isChannelOpen(api, sender, recipient)) == false) { | ||
| console.log("Waiting till channel is open.."); | ||
| await delay(1000); | ||
| } | ||
| }; | ||
|
|
||
| const isChannelOpen = async (api: ApiPromise, sender: number, recipient: number) => { | ||
| const channel = await api.query.hrmp.hrmpChannels({ | ||
| sender, | ||
| recipient, | ||
| }); | ||
| return !channel.isEmpty; | ||
| }; | ||
|
|
||
| before(async function () { | ||
| console.log("[RELAY_CHAIN] Waiting for block production..."); | ||
| await awaitBlockProduction(RELAYCHAIN_NODE_URL); | ||
| console.log("[ASSET_HUB] Waiting for block production..."); | ||
| await awaitBlockProduction(ASSET_HUB_NODE_URL); | ||
| console.log("[LAOS] Waiting for block production..."); | ||
| await awaitBlockProduction(LAOS_NODE_URL); | ||
| console.log("[HRMP] Check channels..."); // See: https://github.com/paritytech/polkadot-sdk/pull/1616 | ||
| const apiRelaychain = await ApiPromise.create({ | ||
| provider: new HttpProvider(RELAYCHAIN_NODE_URL), | ||
| noInitWarn: true, | ||
| }); | ||
| if ((await isChannelOpen(apiRelaychain, LAOS_PARA_ID, ASSET_HUB_PARA_ID)) == false) { | ||
| await openChannel(apiRelaychain, LAOS_PARA_ID, ASSET_HUB_PARA_ID); | ||
| } | ||
| if ((await isChannelOpen(apiRelaychain, ASSET_HUB_PARA_ID, LAOS_PARA_ID)) == false) { | ||
| await openChannel(apiRelaychain, ASSET_HUB_PARA_ID, LAOS_PARA_ID); | ||
| } | ||
| }); |
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