FE: Winner selection + Payout (select-winners signing flow)

Context

Part of the Bounty Operate to Payout milestone (v1 boundless, Payout). The organizer picks winner(s) per prize tier and triggers the single select_winners op that pushes the reward(s) on-chain. On settle the bounty becomes COMPLETED automatically.

Blueprint to mirror

Hackathon rewards page: PublishWinnersWizard / AnnouncementStep / PreviewStep; hooks/use-hackathon-publish.ts + features/hackathons/api/use-escrow.ts (useEscrowOpRunner, organizer scope); FundingConfirmationModal / FundingProgressModal.

Tasks

Winner selection: assign winning submissions to prize positions (1 for single-claim; 1-3 for competition / multiple winners), validate against the bounty's prize tiers + on-chain winner distribution.
Payout: build the select-winners body (winners: applicantAddress + position), drive useEscrowOpRunner (organizer scope; MANAGED signs server-side, EXTERNAL signs via wallet kit) -> progress modal -> poll to COMPLETED.
On completion: bounty shows COMPLETED, winners + tx hash surfaced.

Acceptance criteria

Organizer selects winners and pays out in one signed op; bounty transitions to COMPLETED; payout tx shown. Works for single-winner and multi-winner competitions.

Depends on

Submissions review; bounty data layer (organizer escrow client select-winners already exists).

BOU-286

/claim

I'd like to take this on! Reviewing the repository right now and will submit a PR shortly.

🔗 Related PRs

#438 - Winners tab refactor [merged]
#503 - Feat/improved rewards tab [merged]
#505 - Feat/improved rewards tab [merged]
#576 - fix(rewards): show track winners on the organizer rewards page [merged]
#582 - fix(rewards): match track winners by submissionId, not participantId [merged]

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feat(bounty): submissions review tab (boundlessfi#632)

fix(bounty): review fixes for submissions tab (boundlessfi#632)

feat(bounty): submissions review tab (boundlessfi#632)

fix(bounty): review fixes for submissions tab (boundlessfi#632)

feat(bounty): submissions review tab (#632) (#668)

fix(bounty): review fixes for winner selection + payout (boundlessfi#633

feat(bounty): winner selection + payout (#633) (#669)

Closed by #669 (merged into feat/t-replace).

fix(bounty): update stale staged-for-payout hint copy (#681)

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FE: Winner selection + Payout (select-winners signing flow) #633

Context

Blueprint to mirror

Tasks

Acceptance criteria

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FE: Winner selection + Payout (select-winners signing flow) #633

Description

Context

Blueprint to mirror

Tasks

Acceptance criteria

Depends on

Activity

linear commented on Jun 24, 2026

Ojas2095 commented on Jun 24, 2026

coderabbitai commented on Jun 24, 2026

github-actions commented on Jul 5, 2026

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