feat(contracts): add prediction market contract#444
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Nice implementation, LGTM! |
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closes #394
Summary
Adds a new Soroban prediction market contract example with:
Binary YES/NO outcomes
Token-collateralized market positions
Admin-controlled resolution after market close
Proportional payouts for winning positions
Protection against invalid buys, early resolution, double resolution, losing claims, and double claims
Unit tests covering lifecycle, accounting, timing, auth, and payout behavior
Reason
This implements the MVP-critical Prediction Market contract requested in issue #394, integrating it cleanly into the existing examples workspace and following the established contract/test structure.