コミュニティ・ガバナンス

npm install --save-exact @hazbase/kit@0.9.0 ethers@6.16.0

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import { GenericGovernorHelper, FlexibleTokenHelper } from '@hazbase/kit';
import { Interface, parseUnits } from 'ethers';
type Signer = Parameters<typeof GenericGovernorHelper.deploy>[1];

export async function proposeCommunityGrant(input: {
  governorAddress: string;
  budgetTokenAddress: string;
  recipient: string;
  units: string;
  description: string;
  startTs: bigint;
  endTs: bigint;
  proposer: Signer;
}) {
  const governor = GenericGovernorHelper.attach(input.governorAddress, input.proposer);
  const token = FlexibleTokenHelper.attach(input.budgetTokenAddress, input.proposer);
  const amount = parseUnits(input.units, await token.decimals());
  if (amount <= 0n) throw new Error('Grant must be positive.');
  const erc20 = new Interface(['function transfer(address to, uint256 amount)']);

  // At execution, Timelock must hold the budget tokens being transferred.
  const proposalId = await governor.propose({
    proposer: await input.proposer.getAddress(),
    targets: [input.budgetTokenAddress],
    values: [0n],
    calldatas: [erc20.encodeFunctionData('transfer', [input.recipient, amount])],
    description: input.description,
    startTs: input.startTs,
    endTs: input.endTs,
  });

  // Voting, queueing and execution are separate actions at later states.
  return { proposalId: proposalId.toString(), state: await governor.state(proposalId) };
}