Initial commit on Forgejo

Fresh repository history for elektrine/tarakan hosted at
https://git.elektrine.com/elektrine/tarakan.

priv/repo/migrations/20260724085814_create_bounties.exs

@@ -0,0 +1,71 @@
+defmodule Tarakan.Repo.Migrations.CreateBounties do
+  use Ecto.Migration
+
+  def change do
+    create table(:bounties) do
+      add :public_id, :uuid, null: false, default: fragment("gen_random_uuid()")
+      add :sponsor_account_id, references(:accounts), null: false
+      add :target_type, :string, null: false
+      add :repository_id, references(:repositories)
+      add :pattern_key, :string
+      add :canonical_finding_id, references(:canonical_findings)
+      add :title, :string, null: false
+      add :description, :string, null: false
+      add :funding, :string, null: false
+      add :amount_cents, :integer
+      add :credit_amount, :integer
+      add :take_rate, :decimal, precision: 4, scale: 3, null: false
+      add :status, :string, null: false, default: "pending_funding"
+      add :stripe_checkout_session_id, :string
+      add :winner_account_id, references(:accounts)
+      add :expires_at, :utc_datetime_usec
+
+      timestamps(type: :utc_datetime_usec)
+    end
+
+    create unique_index(:bounties, [:public_id])
+    create index(:bounties, [:status])
+    create index(:bounties, [:repository_id])
+    create index(:bounties, [:pattern_key])
+    create index(:bounties, [:canonical_finding_id])
+    create index(:bounties, [:sponsor_account_id])
+    create index(:bounties, [:stripe_checkout_session_id])
+
+    # Target shape (exactly one ref matching target_type) is validated in the
+    # Bounty changeset; see Tarakan.Market.Bounty.validate_target/1.
+    create constraint(:bounties, :bounties_target_type_must_be_valid,
+             check: "target_type IN ('repository','infestation','finding')"
+           )
+
+    create constraint(:bounties, :bounties_funding_must_be_valid,
+             check: "funding IN ('fiat','credits')"
+           )
+
+    create constraint(:bounties, :bounties_status_must_be_valid,
+             check:
+               "status IN ('pending_funding','open','claimed','fulfilled','payout_pending','paid','cancelled','expired')"
+           )
+
+    create table(:bounty_claims) do
+      add :bounty_id, references(:bounties), null: false
+      add :account_id, references(:accounts), null: false
+      add :review_task_id, references(:review_tasks)
+      add :status, :string, null: false, default: "claimed"
+
+      timestamps(type: :utc_datetime_usec)
+    end
+
+    create index(:bounty_claims, [:bounty_id])
+    create index(:bounty_claims, [:account_id])
+
+    create constraint(:bounty_claims, :bounty_claims_status_must_be_valid,
+             check: "status IN ('claimed','submitted','accepted','rejected','withdrawn')"
+           )
+
+    # One active claim per hunter per bounty.
+    create unique_index(:bounty_claims, [:bounty_id, :account_id],
+             name: :bounty_claims_active_unique_index,
+             where: "status IN ('claimed','submitted')"
+           )
+  end
+end