fix(v2.2): metadata override

internal/storage/ledger/accounts.go

@@ -48,12 +48,11 @@ func (store *Store) UpdateAccountsMetadata(ctx context.Context, m map[string]met
 			ret, err := store.db.NewInsert().
 				Model(&accounts).
 				ModelTableExpr(store.GetPrefixedRelationName("accounts")).
-				On("CONFLICT (ledger, address) DO UPDATE").
-				Set("metadata = excluded.metadata || accounts.metadata").
+				On("conflict (ledger, address) do update").
+				Set("metadata = accounts.metadata || excluded.metadata").
 				Set("updated_at = excluded.updated_at").
 				Where("not accounts.metadata @> excluded.metadata").
 				Exec(ctx)
-
 			if err != nil {
 				return postgres.ResolveError(err)
 			}

test/e2e/api_accounts_metadata_test.go

@@ -13,7 +13,7 @@ import (
 	. "github.com/onsi/gomega"
 )
 
-var _ = Context("Ledger accounts list API tests", func() {
+var _ = Context("Ledger accounts metadata API tests", func() {
 	var (
 		db  = UseTemplatedDatabase()
 		ctx = logging.TestingContext()
@@ -72,6 +72,41 @@ var _ = Context("Ledger accounts list API tests", func() {
 				Metadata: metadata,
 			}))
 		})
+		Context("Then updating the metadata", func() {
+			var (
+				newMetadata = map[string]string{
+					"clientType": "silver",
+				}
+			)
+			JustBeforeEach(func() {
+				err := AddMetadataToAccount(
+					ctx,
+					testServer.GetValue(),
+					operations.V2AddMetadataToAccountRequest{
+						RequestBody: newMetadata,
+						Address:     "foo",
+						Ledger:      "default",
+					},
+				)
+				Expect(err).ToNot(HaveOccurred())
+			})
+			It("should update the metadata", func() {
+				response, err := GetAccount(
+					ctx,
+					testServer.GetValue(),
+					operations.V2GetAccountRequest{
+						Address: "foo",
+						Ledger:  "default",
+					},
+				)
+				Expect(err).ToNot(HaveOccurred())
+
+				Expect(*response).Should(Equal(components.V2Account{
+					Address:  "foo",
+					Metadata: newMetadata,
+				}))
+			})
+		})
 		It("should trigger a new event", func() {
 			Eventually(events).Should(Receive(Event(ledgerevents.EventTypeSavedMetadata)))
 		})

test/e2e/api_transactions_create_test.go

@@ -78,6 +78,43 @@ var _ = Context("Ledger transactions create API tests", func() {
 					// Create a transaction
 					rsp, err = CreateTransaction(ctx, testServer.GetValue(), req)
 				})
+				Context("overriding an account metadata", func() {
+					BeforeEach(func() {
+						err := AddMetadataToAccount(ctx, testServer.GetValue(), operations.V2AddMetadataToAccountRequest{
+							Address: "alice",
+							Ledger:  "default",
+							RequestBody: map[string]string{
+								"clientType": "gold",
+							},
+						})
+						Expect(err).ToNot(HaveOccurred())
+
+						req.V2PostTransaction.Script = &components.V2PostTransactionScript{
+							Plain: `
+								send [USD 100] (
+									source = @world
+									destination = @alice
+								)			
+								set_account_meta(@alice, "clientType", "silver")
+							`,
+						}
+					})
+					It("should override account metadata", func() {
+						Expect(err).To(BeNil())
+
+						account, err := GetAccount(ctx, testServer.GetValue(), operations.V2GetAccountRequest{
+							Address: "alice",
+							Ledger:  "default",
+						})
+						Expect(err).ToNot(HaveOccurred())
+						Expect(*account).Should(Equal(components.V2Account{
+							Address: "alice",
+							Metadata: map[string]string{
+								"clientType": "silver",
+							},
+						}))
+					})
+				})
 				Context("with valid data", func() {
 					BeforeEach(func() {
 						req = operations.V2CreateTransactionRequest{