PredictStreetOracle

event OutcomeProposed(uint64 seq, bytes32 indexed questionId, uint256[] payouts);
event OutcomeChallenged(uint64 seq, bytes32 indexed questionId, address challenger, uint256 bondAmount);
event ChallengeResolvedConfirm(uint64 seq, bytes32 indexed questionId);
event ChallengeResolvedOverride(uint64 seq, bytes32 indexed questionId, uint256[] newPayouts);
event MarketVoided(uint64 seq, bytes32 indexed questionId);
event MarketDelayed(uint64 seq, bytes32 indexed questionId, bool delayed);
event BondAmountSet(uint64 seq, uint256 bondAmount);
event ChallengeWindowSet(uint64 seq, uint256 challengeWindow);
event ProposalClearInitiated(uint64 seq, bytes32 indexed questionId, uint256 unlockAt);
event ProposalClearExecuted(uint64 seq, bytes32 indexed questionId);

import { Contract, parseUnits } from 'ethers';

const oracle = new Contract(ORACLE_ADDRESS, ORACLE_ABI, signer);
await usdc.approve(ORACLE_ADDRESS, parseUnits('10', 6));
const bondSnapshot = await oracle.bondAmount();
const note = keccak256(toUtf8Bytes('your-free-text-reason'));
await oracle.challengeOutcome(questionId, bondSnapshot, note);