neo4j
diff --git a/‎packages/bolt-connection/src/bolt/bolt-protocol-v1.js
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+13Lines changed: 13 additions & 0 deletions b/‎packages/bolt-connection/src/bolt/bolt-protocol-v1.js
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+13Lines changed: 13 additions & 0 deletions
diff --git a/‎packages/bolt-connection/src/bolt/bolt-protocol-v5x7.js
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+59Lines changed: 59 additions & 0 deletions b/‎packages/bolt-connection/src/bolt/bolt-protocol-v5x7.js
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+59Lines changed: 59 additions & 0 deletions
diff --git a/‎packages/bolt-connection/src/bolt/bolt-protocol-v5x7.transformer.js
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+22Lines changed: 22 additions & 0 deletions b/‎packages/bolt-connection/src/bolt/bolt-protocol-v5x7.transformer.js
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+22Lines changed: 22 additions & 0 deletions
diff --git a/‎packages/bolt-connection/src/bolt/create.js
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+10Lines changed: 10 additions & 0 deletions b/‎packages/bolt-connection/src/bolt/create.js
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+10Lines changed: 10 additions & 0 deletions
diff --git a/‎packages/bolt-connection/src/bolt/handshake.js
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+1-1Lines changed: 1 addition & 1 deletion b/‎packages/bolt-connection/src/bolt/handshake.js
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+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎packages/bolt-connection/src/bolt/response-handler.js
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+21-7Lines changed: 21 additions & 7 deletions b/‎packages/bolt-connection/src/bolt/response-handler.js
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+21-7Lines changed: 21 additions & 7 deletions
diff --git a/‎packages/bolt-connection/src/connection/connection-channel.js
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+1-1Lines changed: 1 addition & 1 deletion b/‎packages/bolt-connection/src/connection/connection-channel.js
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+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎packages/bolt-connection/test/bolt/__snapshots__/bolt-protocol-v5x7.test.js.snap
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+61Lines changed: 61 additions & 0 deletions b/‎packages/bolt-connection/test/bolt/__snapshots__/bolt-protocol-v5x7.test.js.snap
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+61Lines changed: 61 additions & 0 deletions
@@ -45,6 +45,12 @@ const {
   txConfig: { TxConfig }
 } = internal
 
+const DEFAULT_DIAGNOSTIC_RECORD = Object.freeze({
+  OPERATION: '',
+  OPERATION_CODE: '0',
+  CURRENT_SCHEMA: '/'
+})
+
 export default class BoltProtocol {
   /**
    * @callback CreateResponseHandler Creates the response handler
@@ -164,6 +170,13 @@ export default class BoltProtocol {
     return metadata
   }
 
+  enrichErrorMetadata (metadata) {
+    return {
+      ...metadata,
+      diagnostic_record: metadata.diagnostic_record !== null ? { ...DEFAULT_DIAGNOSTIC_RECORD, ...metadata.diagnostic_record } : null
+    }
+  }
+
   /**
    * Perform initialization and authentication of the underlying connection.
    * @param {Object} param
 
@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) "Neo4j"
+ * Neo4j Sweden AB [https://neo4j.com]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import BoltProtocolV5x6 from './bolt-protocol-v5x6'
+
+import transformersFactories from './bolt-protocol-v5x5.transformer'
+import Transformer from './transformer'
+
+import { internal } from 'neo4j-driver-core'
+
+const {
+  constants: { BOLT_PROTOCOL_V5_7 }
+} = internal
+
+const DEFAULT_DIAGNOSTIC_RECORD = Object.freeze({
+  OPERATION: '',
+  OPERATION_CODE: '0',
+  CURRENT_SCHEMA: '/'
+})
+
+export default class BoltProtocol extends BoltProtocolV5x6 {
+  get version () {
+    return BOLT_PROTOCOL_V5_7
+  }
+
+  get transformer () {
+    if (this._transformer === undefined) {
+      this._transformer = new Transformer(Object.values(transformersFactories).map(create => create(this._config, this._log)))
+    }
+    return this._transformer
+  }
+
+  /**
+   *
+   * @param {object} metadata
+   * @returns {object}
+   */
+  enrichErrorMetadata (metadata) {
+    return {
+      ...metadata,
+      cause: (metadata.cause !== null && metadata.cause !== undefined) ? this.enrichErrorMetadata(metadata.cause) : null,
+      code: metadata.neo4j_code,
+      diagnostic_record: metadata.diagnostic_record !== null ? { ...DEFAULT_DIAGNOSTIC_RECORD, ...metadata.diagnostic_record } : null
+    }
+  }
+}
@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) "Neo4j"
+ * Neo4j Sweden AB [https://neo4j.com]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import v5x6 from './bolt-protocol-v5x6.transformer'
+
+export default {
+  ...v5x6
+}
@@ -31,6 +31,7 @@ import BoltProtocolV5x3 from './bolt-protocol-v5x3'
 import BoltProtocolV5x4 from './bolt-protocol-v5x4'
 import BoltProtocolV5x5 from './bolt-protocol-v5x5'
 import BoltProtocolV5x6 from './bolt-protocol-v5x6'
+import BoltProtocolV5x7 from './bolt-protocol-v5x7'
 // eslint-disable-next-line no-unused-vars
 import { Chunker, Dechunker } from '../channel'
 import ResponseHandler from './response-handler'
@@ -64,6 +65,7 @@ export default function create ({
   const createResponseHandler = protocol => {
     const responseHandler = new ResponseHandler({
       transformMetadata: protocol.transformMetadata.bind(protocol),
+      enrichErrorMetadata: protocol.enrichErrorMetadata.bind(protocol),
       log,
       observer
     })
@@ -247,6 +249,14 @@ function createProtocol (
         log,
         onProtocolError,
         serversideRouting)
+    case 5.7:
+      return new BoltProtocolV5x7(server,
+        chunker,
+        packingConfig,
+        createResponseHandler,
+        log,
+        onProtocolError,
+        serversideRouting)
     default:
       throw newError('Unknown Bolt protocol version: ' + version)
   }
 
@@ -76,7 +76,7 @@ function parseNegotiatedResponse (buffer, log) {
  */
 function newHandshakeBuffer () {
   return createHandshakeMessage([
-    [version(5, 6), version(5, 0)],
+    [version(5, 7), version(5, 0)],
     [version(4, 4), version(4, 2)],
     version(4, 1),
     version(3, 0)
 
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { newError, json } from 'neo4j-driver-core'
+import { newError, newGQLError, json } from 'neo4j-driver-core'
 
 // Signature bytes for each response message type
 const SUCCESS = 0x70 // 0111 0000 // SUCCESS <metadata>
@@ -70,10 +70,11 @@ export default class ResponseHandler {
    * @param {Logger} log The logger
    * @param {ResponseHandler~Observer} observer Object which will be notified about errors
    */
-  constructor ({ transformMetadata, log, observer } = {}) {
+  constructor ({ transformMetadata, enrichErrorMetadata, log, observer } = {}) {
     this._pendingObservers = []
     this._log = log
     this._transformMetadata = transformMetadata || NO_OP_IDENTITY
+    this._enrichErrorMetadata = enrichErrorMetadata || NO_OP_IDENTITY
     this._observer = Object.assign(
       {
         onObserversCountChange: NO_OP,
@@ -115,11 +116,7 @@ export default class ResponseHandler {
           this._log.debug(`S: FAILURE ${json.stringify(msg)}`)
         }
         try {
-          const standardizedCode = _standardizeCode(payload.code)
-          const error = newError(payload.message, standardizedCode)
-          this._currentFailure = this._observer.onErrorApplyTransformation(
-            error
-          )
+          this._currentFailure = this._handleErrorPayload(this._enrichErrorMetadata(payload))
           this._currentObserver.onError(this._currentFailure)
         } finally {
           this._updateCurrentObserver()
@@ -196,6 +193,23 @@ export default class ResponseHandler {
   _resetFailure () {
     this._currentFailure = null
   }
+
+  _handleErrorPayload (payload) {
+    const standardizedCode = _standardizeCode(payload.code)
+    const cause = payload.cause != null ? this._handleErrorCause(payload.cause) : undefined
+    const error = newError(payload.message, standardizedCode, cause, payload.gql_status, payload.description, payload.diagnostic_record)
+    return this._observer.onErrorApplyTransformation(
+      error
+    )
+  }
+
+  _handleErrorCause (payload) {
+    const cause = payload.cause != null ? this._handleErrorCause(payload.cause) : undefined
+    const error = newGQLError(payload.message, cause, payload.gql_status, payload.description, payload.diagnostic_record)
+    return this._observer.onErrorApplyTransformation(
+      error
+    )
+  }
 }
 
 /**
 
@@ -441,7 +441,7 @@ export default class ChannelConnection extends Connection {
             reject(error)
           } else {
             const neo4jError = this._handleProtocolError(
-              'Received FAILURE as a response for RESET: ' + error
+              `Received FAILURE as a response for RESET: ${error}`
             )
             reject(neo4jError)
           }
 
@@ -0,0 +1,61 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`#unit BoltProtocolV5x7 .packable() should resultant function not pack graph types (Node) 1`] = `"It is not allowed to pass nodes in query parameters, given: (c:a {a:"b"})"`;
+
+exports[`#unit BoltProtocolV5x7 .packable() should resultant function not pack graph types (Path) 1`] = `"It is not allowed to pass paths in query parameters, given: [object Object]"`;
+
+exports[`#unit BoltProtocolV5x7 .packable() should resultant function not pack graph types (Relationship) 1`] = `"It is not allowed to pass relationships in query parameters, given: (e)-[:a {b:"c"}]->(f)"`;
+
+exports[`#unit BoltProtocolV5x7 .packable() should resultant function not pack graph types (UnboundRelationship) 1`] = `"It is not allowed to pass unbound relationships in query parameters, given: -[:a {b:"c"}]->"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Date with less fields) 1`] = `"Wrong struct size for Date, expected 1 but was 0"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Date with more fields) 1`] = `"Wrong struct size for Date, expected 1 but was 2"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (DateTimeWithZoneId with less fields) 1`] = `"Wrong struct size for DateTimeWithZoneId, expected 3 but was 2"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (DateTimeWithZoneId with more fields) 1`] = `"Wrong struct size for DateTimeWithZoneId, expected 3 but was 4"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (DateTimeWithZoneOffset with less fields) 1`] = `"Wrong struct size for DateTimeWithZoneOffset, expected 3 but was 2"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (DateTimeWithZoneOffset with more fields) 1`] = `"Wrong struct size for DateTimeWithZoneOffset, expected 3 but was 4"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Duration with less fields) 1`] = `"Wrong struct size for Duration, expected 4 but was 3"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Duration with more fields) 1`] = `"Wrong struct size for Duration, expected 4 but was 5"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (LocalDateTime with less fields) 1`] = `"Wrong struct size for LocalDateTime, expected 2 but was 1"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (LocalDateTime with more fields) 1`] = `"Wrong struct size for LocalDateTime, expected 2 but was 3"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (LocalTime with less fields) 1`] = `"Wrong struct size for LocalTime, expected 1 but was 0"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (LocalTime with more fields) 1`] = `"Wrong struct size for LocalTime, expected 1 but was 2"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Node with less fields) 1`] = `"Wrong struct size for Node, expected 4 but was 3"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Node with more fields) 1`] = `"Wrong struct size for Node, expected 4 but was 5"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Path with less fields) 1`] = `"Wrong struct size for Path, expected 3 but was 2"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Path with more fields) 1`] = `"Wrong struct size for Path, expected 3 but was 4"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Point with less fields) 1`] = `"Wrong struct size for Point2D, expected 3 but was 2"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Point with more fields) 1`] = `"Wrong struct size for Point2D, expected 3 but was 4"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Point3D with less fields) 1`] = `"Wrong struct size for Point3D, expected 4 but was 3"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Point3D with more fields) 1`] = `"Wrong struct size for Point3D, expected 4 but was 5"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Relationship with less fields) 1`] = `"Wrong struct size for Relationship, expected 8 but was 5"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Relationship with more fields) 1`] = `"Wrong struct size for Relationship, expected 8 but was 9"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Time with less fields) 1`] = `"Wrong struct size for Time, expected 2 but was 1"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (Time with more fileds) 1`] = `"Wrong struct size for Time, expected 2 but was 3"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (UnboundRelationship with less fields) 1`] = `"Wrong struct size for UnboundRelationship, expected 4 but was 3"`;
+
+exports[`#unit BoltProtocolV5x7 .unpack() should not unpack with wrong size (UnboundRelationship with more fields) 1`] = `"Wrong struct size for UnboundRelationship, expected 4 but was 5"`;
Original file line number	Diff line number	Diff line change
`@@ -441,7 +441,7 @@ export default class ChannelConnection extends Connection {`
`441`	`441`	`reject(error)`
`442`	`442`	`} else {`
`443`	`443`	`const neo4jError = this._handleProtocolError(`
`444`		`- 'Received FAILURE as a response for RESET: ' + error`
	`444`	+ `Received FAILURE as a response for RESET: ${error}`
`445`	`445`	`)`
`446`	`446`	`reject(neo4jError)`
`447`	`447`	`}`