intents: SessionAuthProof

intents/intent.gen.ts

@@ -1,7 +1,7 @@
 /* eslint-disable */
-// sequence-waas-intents v0.1.0 2c4dea0eacfd30c622628970fba756e9f4a21e61
+// sequence-waas-intents v0.1.0 4e0514d799b9cb7630838b4ff70717bbfb3ceebb
 // --
-// Code generated by [email protected].0-dev with typescript generator. DO NOT EDIT.
+// Code generated by [email protected].5 with typescript generator. DO NOT EDIT.
 //
 // webrpc-gen -schema=intent.ridl -target=typescript -client -out=./intent.gen.ts
 
@@ -12,7 +12,7 @@ export const WebRPCVersion = "v1"
 export const WebRPCSchemaVersion = "v0.1.0"
 
 // Schema hash generated from your RIDL schema
-export const WebRPCSchemaHash = "2c4dea0eacfd30c622628970fba756e9f4a21e61"
+export const WebRPCSchemaHash = "4e0514d799b9cb7630838b4ff70717bbfb3ceebb"
 
 //
 // Types
@@ -71,6 +71,12 @@ export interface IntentDataGetSession {
   wallet: string
 }
 
+export interface IntentDataSessionAuthProof {
+  network: string
+  wallet: string
+  nonce?: string
+}
+
 export interface IntentDataSignMessage {
   network: string
   wallet: string
@@ -179,6 +185,14 @@ export interface IntentResponseGetSession {
   validated: boolean
 }
 
+export interface IntentResponseSessionAuthProof {
+  sessionId: string
+  network: string
+  wallet: string
+  message: string
+  signature: string
+}
+
 export interface IntentResponseSignedMessage {
   signature: string
   message: string

intents/intent.ridl

@@ -25,6 +25,7 @@ struct Signature
 #  - finishValidateSession
 #  - listSessions
 #  - getSession
+#  - sessionAuthProof
 #  - signMessage
 #  - sendTransaction
 #  - getTransactionReceipt
@@ -62,6 +63,11 @@ struct IntentDataGetSession
     + go.field.name = SessionID
   - wallet: string
 
+struct IntentDataSessionAuthProof
+  - network: string
+  - wallet: string
+  - nonce?: string
+
 struct IntentDataSignMessage
   - network: string
   - wallet:  string
@@ -145,6 +151,7 @@ struct IntentResponse
 # - validationRequired
 # - validationStarted
 # - validationFinished
+# - sessionAuthProof
 # - signedMessage
 # - transactionReceipt
 # - transactionFailed
@@ -178,6 +185,15 @@ struct IntentResponseGetSession
   - wallet: string
   - validated: bool
 
+struct IntentResponseSessionAuthProof
+  - sessionId: string
+    + go.field.name = SessionID
+  - network: string
+  - wallet: string
+  # The message contents: “SessionAuthProof <sessionId> <wallet> <nonce?>” hex encoded
+  - message: string
+  - signature: string
+
 struct IntentResponseSignedMessage
   - signature: string
   - message: string

intents/intent_data_ext.go

@@ -1,6 +1,10 @@
 package intents
 
-import "fmt"
+import (
+	"fmt"
+
+	"github.com/0xsequence/ethkit/go-ethereum/common"
+)
 
 func (id *IntentDataOpenSession) IsValid() error {
 	if id.SessionID == "" {
@@ -12,3 +16,13 @@ func (id *IntentDataOpenSession) IsValid() error {
 	}
 	return nil
 }
+
+func (id *IntentDataSessionAuthProof) IsValidInterpretation(sessionID string, message string) error {
+	message2 := "0x" + common.Bytes2Hex(
+		[]byte(SessionAuthProofMessage(sessionID, id.Wallet, id.Nonce)),
+	)
+	if message != message2 {
+		return fmt.Errorf("proof message does not match: '%s' != '%s'", message, message2)
+	}
+	return nil
+}

intents/intent_ext.go

@@ -18,6 +18,7 @@ const (
 	IntentNameFinishValidateSession = "finishValidateSession"
 	IntentNameListSessions          = "listSessions"
 	IntentNameGetSession            = "getSession"
+	IntentNameSessionAuthProof      = "sessionAuthProof"
 	IntentNameSignMessage           = "signMessage"
 	IntentNameFeeOptions            = "feeOptions"
 	IntentNameSendTransaction       = "sendTransaction"
@@ -29,6 +30,9 @@ const (
 	IntentResponseCodeValidationRequired = "validationRequired"
 	IntentResponseCodeValidationStarted  = "validationStarted"
 	IntentResponseCodeValidationFinished = "validationFinished"
+	IntentResponseCodeSessionClosed      = "sessionClosed"
+	IntentResponseCodeSessionsListed     = "sessionsListed"
+	IntentResponseCodeSessionAuthProof   = "sessionAuthProof"
 	IntentResponseCodeSignedMessage      = "signedMessage"
 	IntentResponseCodeFeeOptions         = "feeOptions"
 	IntentResponseCodeTransactionReceipt = "transactionReceipt"

intents/intent_response_typed.go

@@ -0,0 +1,84 @@
+package intents
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+func IntentResponseTypeToCode[T any](t *T) string {
+	var data any = t
+	switch data.(type) {
+	case *IntentResponseSessionOpened:
+		return IntentResponseCodeSessionOpened
+	case *IntentResponseValidationStarted:
+		return IntentResponseCodeValidationStarted
+	case *IntentResponseValidationFinished:
+		return IntentResponseCodeValidationFinished
+	case *IntentResponseSessionAuthProof:
+		return IntentResponseCodeSessionAuthProof
+	case *IntentResponseSignedMessage:
+		return IntentResponseCodeSignedMessage
+	case *IntentResponseFeeOptions:
+		return IntentResponseCodeFeeOptions
+	case *IntentResponseTransactionReceipt:
+		return IntentResponseCodeTransactionReceipt
+	case *IntentResponseTransactionFailed:
+		return IntentResponseCodeTransactionFailed
+	case *IntentResponseGetSession:
+		return IntentResponseCodeGetSessionResponse
+	default:
+		return ""
+	}
+}
+
+type IntentResponseTyped[T any] struct {
+	IntentResponse
+	Data T `json:"data"`
+}
+
+func NewIntentResponseTyped[T any](data T) *IntentResponseTyped[T] {
+	return &IntentResponseTyped[T]{
+		IntentResponse: IntentResponse{
+			Code: IntentResponseTypeToCode(&data),
+			Data: data,
+		},
+		Data: data,
+	}
+}
+
+func NewIntentResponseTypedFromIntentResponse[T any](res *IntentResponse) (*IntentResponseTyped[T], error) {
+	switch res.Data.(type) {
+	case T:
+		return &IntentResponseTyped[T]{
+			IntentResponse: *res,
+			Data:           res.Data.(T),
+		}, nil
+	case map[string]any:
+		data := res.Data.(map[string]any)
+
+		// convert to json
+		dataJSON, err := json.Marshal(data)
+		if err != nil {
+			return nil, err
+		}
+
+		// convert to typed data
+		var typedData T
+		err = json.Unmarshal(dataJSON, &typedData)
+		if err != nil {
+			return nil, err
+		}
+
+		// check if intent response code and data type match
+		if IntentResponseTypeToCode(&typedData) != res.Code {
+			return nil, fmt.Errorf("intent response code and data type mismatch")
+		}
+
+		return &IntentResponseTyped[T]{
+			IntentResponse: *res,
+			Data:           typedData,
+		}, nil
+	default:
+		return nil, fmt.Errorf("invalid intent data type")
+	}
+}

intents/intent_typed.go

@@ -21,6 +21,8 @@ func IntentDataTypeToName[T any](t *T) string {
 		return IntentNameListSessions
 	case *IntentDataGetSession:
 		return IntentNameGetSession
+	case *IntentDataSessionAuthProof:
+		return IntentNameSessionAuthProof
 	case *IntentDataSignMessage:
 		return IntentNameSignMessage
 	case *IntentDataFeeOptions:

intents/session.go

@@ -273,3 +273,10 @@ func KeyTypeFromSessionId(sessionId string) KeyType {
 func bytesToSignature(sig []byte) string {
 	return strings.ToLower(fmt.Sprintf("0x%s", common.Bytes2Hex(sig)))
 }
+
+func SessionAuthProofMessage(sessionId string, wallet string, nonce *string) string {
+	if nonce == nil {
+		return fmt.Sprintf("SessionAuthProof %s %s", sessionId, wallet)
+	}
+	return fmt.Sprintf("SessionAuthProof %s %s %s", sessionId, wallet, *nonce)
+}

intents/session_test.go

@@ -0,0 +1,16 @@
+package intents
+
+import (
+	"testing"
+
+	"github.com/0xsequence/ethkit"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSessionAuthProofMessage(t *testing.T) {
+	// no nonce provided
+	assert.Equal(t, "SessionAuthProof r1:0x01 0x02", SessionAuthProofMessage("r1:0x01", "0x02", nil))
+
+	// nonce provided
+	assert.Equal(t, "SessionAuthProof r1:0x01 0x02 0x03", SessionAuthProofMessage("r1:0x01", "0x02", ethkit.ToPtr("0x03")))
+}