35 lines
1.3 KiB
JavaScript
35 lines
1.3 KiB
JavaScript
const utils = require("./utils");
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async function run(nodeName, networkInfo, args) {
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const {wsUri, userDefinedTypes} = networkInfo.nodesByName[nodeName];
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const api = await zombie.connect(wsUri, userDefinedTypes);
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// parse arguments
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const exitAfterSeconds = Number(args[0]);
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const bridgedChain = require("./chains/" + args[1]);
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// start listening to new blocks
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let totalGrandpaHeaders = 0;
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let totalTeyrchainHeaders = 0;
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api.rpc.chain.subscribeNewHeads(async function (header) {
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const apiAtParent = await api.at(header.parentHash);
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const apiAtCurrent = await api.at(header.hash);
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const currentEvents = await apiAtCurrent.query.system.events();
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totalGrandpaHeaders += await utils.countGrandpaHeaderImports(bridgedChain, currentEvents);
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totalTeyrchainHeaders += await utils.countTeyrchainHeaderImports(bridgedChain, currentEvents);
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});
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// wait given time
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await new Promise(resolve => setTimeout(resolve, exitAfterSeconds * 1000));
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// if we haven't seen many (>1) new GRANDPA or teyrchain headers => fail
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if (totalGrandpaHeaders <= 1) {
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throw new Error("No bridged relay chain headers imported");
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}
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if (totalTeyrchainHeaders <= 1) {
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throw new Error("No bridged teyrchain headers imported");
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}
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}
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module.exports = { run }
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