Feature/index burning of fractions

src/storage/storeValueTransfer.ts

@@ -81,20 +81,26 @@ export const storeValueTransfer: StorageMethod<ParsedValueTransfer> = async ({
     if (!readContract) throw new Error("readContract is not defined");
 
     if (from_token_id !== 0n) {
+      // @ts-expect-error incorrect typing of readContract
+      const current_units_for_from_token = (await readContract({
+        address: contract_address,
+        contract: "HypercertMinter",
+        functionName: "unitsOf",
+        args: [from_token_id],
+      })) as unknown as bigint;
+
+      const burned = current_units_for_from_token === 0n && to_token_id === 0n;
+
       fromToken = {
         claims_id,
         token_id: from_token_id.toString(),
         fraction_id: `${chain_id}-${getAddress(contract_address)}-${from_token_id}`,
-        units: (await readContract({
-          address: contract_address,
-          contract: "HypercertMinter",
-          functionName: "unitsOf",
-          args: [from_token_id],
-        })) as unknown as bigint,
+        units: current_units_for_from_token,
         last_update_block_timestamp: block.timestamp.toString(),
         last_update_block_number: block.blockNumber,
         creation_block_number: block.blockNumber,
         creation_block_timestamp: block.timestamp.toString(),
+        burned,
       };
     }
 
@@ -103,6 +109,7 @@ export const storeValueTransfer: StorageMethod<ParsedValueTransfer> = async ({
         claims_id,
         token_id: to_token_id.toString(),
         fraction_id: `${chain_id}-${getAddress(contract_address)}-${to_token_id}`,
+        // @ts-expect-error incorrect typing of readContract
         units: (await readContract({
           address: contract_address,
           contract: "HypercertMinter",
@@ -146,6 +153,7 @@ export const storeValueTransfer: StorageMethod<ParsedValueTransfer> = async ({
               last_update_block_timestamp: eb.ref(
                 "excluded.last_update_block_timestamp",
               ),
+              burned: eb.ref("excluded.burned"),
             })),
           )
           .compile(),

src/types/database-generated.types.ts

@@ -115,6 +115,13 @@ export type Database = {
             referencedRelation: "claims"
             referencedColumns: ["id"]
           },
+          {
+            foreignKeyName: "attestations_claims_id_fkey"
+            columns: ["claims_id"]
+            isOneToOne: false
+            referencedRelation: "claims_view"
+            referencedColumns: ["id"]
+          },
           {
             foreignKeyName: "attestations_claims_id_fkey"
             columns: ["claims_id"]
@@ -274,6 +281,7 @@ export type Database = {
       }
       fractions: {
         Row: {
+          burned: boolean
           claims_id: string
           creation_block_number: number
           creation_block_timestamp: number
@@ -287,6 +295,7 @@ export type Database = {
           value: number | null
         }
         Insert: {
+          burned?: boolean
           claims_id: string
           creation_block_number: number
           creation_block_timestamp: number
@@ -300,6 +309,7 @@ export type Database = {
           value?: number | null
         }
         Update: {
+          burned?: boolean
           claims_id?: string
           creation_block_number?: number
           creation_block_timestamp?: number
@@ -320,6 +330,13 @@ export type Database = {
             referencedRelation: "claims"
             referencedColumns: ["id"]
           },
+          {
+            foreignKeyName: "fractions_claims_id_fkey"
+            columns: ["claims_id"]
+            isOneToOne: false
+            referencedRelation: "claims_view"
+            referencedColumns: ["id"]
+          },
           {
             foreignKeyName: "fractions_claims_id_fkey"
             columns: ["claims_id"]
@@ -389,6 +406,13 @@ export type Database = {
             referencedRelation: "claims"
             referencedColumns: ["id"]
           },
+          {
+            foreignKeyName: "hypercert_allow_lists_claims_id_fkey"
+            columns: ["claims_id"]
+            isOneToOne: false
+            referencedRelation: "claims_view"
+            referencedColumns: ["id"]
+          },
           {
             foreignKeyName: "hypercert_allow_lists_claims_id_fkey"
             columns: ["claims_id"]
@@ -559,8 +583,38 @@ export type Database = {
         }
         Relationships: []
       }
+      claims_view: {
+        Row: {
+          attestations_count: number | null
+          burned: boolean | null
+          contracts_id: string | null
+          creation_block_number: number | null
+          creation_block_timestamp: number | null
+          creator_address: string | null
+          hypercert_id: string | null
+          id: string | null
+          last_update_block_number: number | null
+          last_update_block_timestamp: number | null
+          owner_address: string | null
+          sales_count: number | null
+          token_id: number | null
+          units: number | null
+          uri: string | null
+          value: number | null
+        }
+        Relationships: [
+          {
+            foreignKeyName: "claims_contracts_id_fkey"
+            columns: ["contracts_id"]
+            isOneToOne: false
+            referencedRelation: "contracts"
+            referencedColumns: ["id"]
+          },
+        ]
+      }
       fractions_view: {
         Row: {
+          burned: boolean | null
           claims_id: string | null
           creation_block_number: number | null
           creation_block_timestamp: number | null
@@ -582,6 +636,13 @@ export type Database = {
             referencedRelation: "claims"
             referencedColumns: ["id"]
           },
+          {
+            foreignKeyName: "fractions_claims_id_fkey"
+            columns: ["claims_id"]
+            isOneToOne: false
+            referencedRelation: "claims_view"
+            referencedColumns: ["id"]
+          },
           {
             foreignKeyName: "fractions_claims_id_fkey"
             columns: ["claims_id"]

supabase/migrations/20250607165242_add_burn_support.sql

@@ -0,0 +1,49 @@
+alter table "public"."fractions" add column "burned" boolean not null default false;
+
+create or replace view fractions_view as
+select f.id,
+       f.claims_id,
+       f.token_id,
+       f.fraction_id,
+       c.hypercert_id,
+       f.creation_block_timestamp,
+       f.creation_block_number,
+       f.last_update_block_timestamp,
+       f.last_update_block_number,
+       f.owner_address,
+       f.value,
+       f.units,
+       f.burned
+from fractions f
+         join public.claims c on f.claims_id = c.id;
+
+create or replace view claims_view as
+select
+	c.id as id,
+	c.contracts_id as contracts_id,
+	c.token_id as token_id,
+	c.hypercert_id as hypercert_id,
+	c.owner_address as owner_address,
+	c.creator_address as creator_address,
+	c.value as value,
+	c.units as units,
+	c.uri as uri,
+	c.creation_block_number as creation_block_number,
+	c.creation_block_timestamp as creation_block_timestamp,
+	c.last_update_block_number as last_update_block_number,
+	c.last_update_block_timestamp as last_update_block_timestamp,
+	c.attestations_count as attestations_count,
+	c.sales_count as sales_count,
+	f.burned as burned
+from
+	claims as c
+join (
+	select
+		f.claims_id,
+		bool_and(f.burned) as burned
+	from
+		fractions f
+	group by
+		f.claims_id
+) f on
+	c.id = f.claims_id