api: clarify that .encryption_envelope is EVM-style only

api/spec/v1.yaml

@@ -2916,7 +2916,7 @@ components:
         encryption_envelope:
           allOf: [$ref: '#/components/schemas/RuntimeTransactionEncryptionEnvelope']
           description: |
-            The data relevant to the encrypted transaction. Only present for encrypted
+            The data relevant to the EVM encrypted transaction. Only present for encrypted
             transactions in confidential EVM runtimes like Sapphire.
             Note: The term "envelope" in this context refers to the [Oasis-style encryption envelopes](https://github.com/oasisprotocol/oasis-sdk/blob/c36a7ee194abf4ca28fdac0edbefe3843b39bf69/runtime-sdk/src/types/callformat.rs)
             which differ slightly from [digital envelopes](hhttps://en.wikipedia.org/wiki/Hybrid_cryptosystem#Envelope_encryption).

storage/client/client.go

@@ -1480,8 +1480,8 @@ func (c *StorageClient) RuntimeTransactions(ctx context.Context, p apiTypes.GetR
 		t := RuntimeTransaction{
 			Error: &TxError{},
 		}
-		var encryptionEnvelope RuntimeTransactionEncryptionEnvelope
-		var encryptionEnvelopeFormat *common.CallFormat
+		var evmEncryptionEnvelope RuntimeTransactionEncryptionEnvelope
+		var evmEncryptionEnvelopeFormat *common.CallFormat
 		var sender0PreimageContextIdentifier *string
 		var sender0PreimageContextVersion *int
 		var sender0PreimageData []byte
@@ -1517,12 +1517,12 @@ func (c *StorageClient) RuntimeTransactions(ctx context.Context, p apiTypes.GetR
 			&toPreimageData,
 			&t.Amount,
 			&t.AmountSymbol,
-			&encryptionEnvelopeFormat,
-			&encryptionEnvelope.PublicKey,
-			&encryptionEnvelope.DataNonce,
-			&encryptionEnvelope.Data,
-			&encryptionEnvelope.ResultNonce,
-			&encryptionEnvelope.Result,
+			&evmEncryptionEnvelopeFormat,
+			&evmEncryptionEnvelope.PublicKey,
+			&evmEncryptionEnvelope.DataNonce,
+			&evmEncryptionEnvelope.Data,
+			&evmEncryptionEnvelope.ResultNonce,
+			&evmEncryptionEnvelope.Result,
 			&t.Success,
 			&t.EvmFnName,
 			&t.EvmFnParams,
@@ -1547,9 +1547,9 @@ func (c *StorageClient) RuntimeTransactions(ctx context.Context, p apiTypes.GetR
 				t.Error.Code = *errorCode
 			}
 		}
-		if encryptionEnvelopeFormat != nil { // a rudimentary check to determine if the tx was encrypted
-			encryptionEnvelope.Format = *encryptionEnvelopeFormat
-			t.EncryptionEnvelope = &encryptionEnvelope
+		if evmEncryptionEnvelopeFormat != nil { // a rudimentary check to determine if the tx was encrypted
+			evmEncryptionEnvelope.Format = *evmEncryptionEnvelopeFormat
+			t.EncryptionEnvelope = &evmEncryptionEnvelope
 		}
 
 		// Render Ethereum-compatible address preimages.