1import {ApiPromise, WsProvider} from '@polkadot/api';2import {blake2AsHex} from '@polkadot/util-crypto';34async function main() {5 const networkUrl = process.argv[2];6 const democracyProposalContent = process.argv[3];78 const wsProvider = new WsProvider(networkUrl);9 const api = await ApiPromise.create({provider: wsProvider});1011 const councilMembers = (await api.query.council.members()).toJSON() as any[];12 const councilProposalThreshold = Math.floor(councilMembers.length / 2) + 1;1314 const democracyProposalHash = blake2AsHex(democracyProposalContent, 256);15 const democracyProposalPreimage = api.tx.preimage.notePreimage(democracyProposalContent).method.toHex();1617 const democracyProposal = api.tx.democracy.externalProposeDefault({18 Legacy: democracyProposalHash,19 });2021 const councilProposal = api.tx.council.propose(22 councilProposalThreshold,23 democracyProposal,24 democracyProposal.method.encodedLength,25 ).method.toHex();2627 const proposeUpgradeBatch = api.tx.utility.batchAll([28 democracyProposalPreimage,29 councilProposal,30 ]);3132 const encodedCall = proposeUpgradeBatch.method.toHex();3334 console.log('-----------------');35 console.log('Council Proposal: ', `https://polkadot.js.org/apps/?rpc=${networkUrl}#/extrinsics/decode/${encodedCall}`);36 console.log('-----------------');3738 await api.disconnect();39}4041await main();