rpcserver+tapdb: use new batch state R/W methods

rpcserver.go

@@ -1881,7 +1881,9 @@ func marshalMintingBatch(batch *tapgarden.MintingBatch) (*mintrpc.MintingBatch,
 func marshalBatchState(batch *tapgarden.MintingBatch) (mintrpc.BatchState,
 	error) {
 
-	switch batch.BatchState {
+	currentBatchState := batch.State()
+
+	switch currentBatchState {
 	case tapgarden.BatchStatePending:
 		return mintrpc.BatchState_BATCH_STATE_PEDNING, nil
 
@@ -1907,8 +1909,8 @@ func marshalBatchState(batch *tapgarden.MintingBatch) (mintrpc.BatchState,
 		return mintrpc.BatchState_BATCH_STATE_SPROUT_CANCELLED, nil
 
 	default:
-		return 0, fmt.Errorf("unknown batch state: %d",
-			batch.BatchState)
+		return 0, fmt.Errorf("unknown batch state: %v",
+			currentBatchState.String())
 	}
 }
 

tapdb/asset_minting.go

@@ -832,9 +832,6 @@ func marshalMintingBatch(ctx context.Context, q PendingAssetStore,
 	// For each batch, we'll assemble an intermediate batch struct, then
 	// fill in all the seedlings with another sub-query.
 	batch := &tapgarden.MintingBatch{
-		BatchState: tapgarden.BatchState(
-			dbBatch.BatchState,
-		),
 		BatchKey: keychain.KeyDescriptor{
 			KeyLocator: keychain.KeyLocator{
 				Family: keychain.KeyFamily(
@@ -848,6 +845,13 @@ func marshalMintingBatch(ctx context.Context, q PendingAssetStore,
 		CreationTime: dbBatch.CreationTimeUnix.UTC(),
 	}
 
+	batchState, err := tapgarden.NewBatchState(uint8(dbBatch.BatchState))
+	if err != nil {
+		return nil, err
+	}
+
+	batch.NewState(batchState)
+
 	if dbBatch.MintingTxPsbt != nil {
 		genesisPkt, err := psbt.NewFromRawBytes(
 			bytes.NewReader(dbBatch.MintingTxPsbt), false,
@@ -867,7 +871,7 @@ func marshalMintingBatch(ctx context.Context, q PendingAssetStore,
 	// either fetch the set of seedlings (asset
 	// descriptions w/ no real assets), or the set of
 	// sprouts (full defined assets, but not yet mined).
-	switch batch.BatchState {
+	switch batchState {
 	case tapgarden.BatchStatePending,
 		tapgarden.BatchStateFrozen,
 		tapgarden.BatchStateSeedlingCancelled:

tapdb/asset_minting_test.go

@@ -53,14 +53,14 @@ func newAssetStore(t *testing.T) (*AssetMintingStore, *AssetStore,
 func assertBatchState(t *testing.T, batch *tapgarden.MintingBatch,
 	state tapgarden.BatchState) {
 
-	require.Equal(t, state, batch.BatchState)
+	require.Equal(t, state, batch.State())
 }
 
 func assertBatchEqual(t *testing.T, a, b *tapgarden.MintingBatch) {
 	t.Helper()
 
 	require.Equal(t, a.CreationTime.Unix(), b.CreationTime.Unix())
-	require.Equal(t, a.BatchState, b.BatchState)
+	require.Equal(t, a.State(), b.State())
 	require.Equal(t, a.BatchKey, b.BatchKey)
 	require.Equal(t, a.Seedlings, b.Seedlings)
 	require.Equal(t, a.GenesisPacket, b.GenesisPacket)