adding protobuf

parse_proto.php

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+#!/bin/bash
+# Copyright 2015 gRPC authors.
+#
+# 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
+#
+#     http://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.
+PHP_PLUGIN="$(which grpc_php_plugin)"
+protoc --proto_path=./src/protobuf/gradido  --php_out=./src/  --grpc_out=./src/ --plugin=protoc-gen-grpc=$PHP_PLUGIN ./src/protobuf/gradido/*.proto
+

src/protobuf/gradido/BasicTypes.proto

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+syntax = "proto3";
+
+package model.messages.gradido;
+
+message Key {
+    oneof key {
+        bytes ed25519 = 2; // ed25519 signature (libsodium default)
+		bytes ed25519_ref10 = 3; // ed25519 ref10 signature
+    }
+}
+
+message SignaturePair {
+    bytes pubKey = 1;  
+    oneof signature {
+        bytes ed25519 = 2; // ed25519 signature (libsodium default)
+		bytes ed25519_ref10 = 3; // ed25519 ref10 signature
+    }
+}
+
+message SignatureMap {
+    repeated SignaturePair sigPair = 1; // Each signature pair corresponds to a unique Key required to sign the transaction.
+}
+
+/* An exact date and time. This is the same data structure as the protobuf Timestamp.proto (see the comments in https://github.com/google/protobuf/blob/master/src/google/protobuf/timestamp.proto) */
+message Timestamp {
+    int64 seconds = 1; // Number of complete seconds since the start of the epoch
+    int32 nanos = 2; // Number of nanoseconds since the start of the last second
+}
+
+/* An exact date and time,  with a resolution of one second (no nanoseconds). */
+message TimestampSeconds {
+    int64 seconds = 1; // Number of complete seconds since the start of the epoch
+}
+
+message SenderAmount {
+	bytes ed25519_sender_pubkey = 1;
+	sint64 amount = 2;
+	sint64 senderFinalBalance = 3; // sender balance after transaction, including perishability
+}
+
+message ReceiverAmount {
+	bytes ed25519_receiver_pubkey = 1;
+	sint64 amount = 2;
+}

src/protobuf/gradido/StateCreateGroup.proto

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+syntax = "proto3";
+
+package model.messages.gradido;
+
+import "BasicTypes.proto";
+
+// need signature from this group and from parent (if it isn't zero)
+message StateCreateGroup {
+	string name = 1;
+	Key groupPublicKey = 2;
+	Key parentGroupPublicKey = 3;
+	reserved "hederaConsensusId";
+	reserved 4;
+	
+}

src/protobuf/gradido/StateGroupChangeParent.proto

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+syntax = "proto3";
+
+package model.messages.gradido;
+
+import "BasicTypes.proto";
+
+// need signature from this group and from both parents (if it isn't zero)
+message StateGroupChangeParent {
+	Key groupPublicKey = 1;
+	Key newParentGroupPublicKey = 2;
+	Key oldParentGroupPublicKey = 3;
+}

src/protobuf/gradido/Transaction.proto

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+syntax = "proto3";
+
+package model.messages.gradido;
+
+import "BasicTypes.proto";
+
+/*
+	id will be set by Node server
+	txHash will be also set by Node server,
+	  calculated from previous transaction txHash and this id, sigMap and received;
+*/
+
+message Transaction {
+	uint64 	id = 1;
+	TimestampSeconds received = 2;
+	SignatureMap sigMap = 3;
+	bytes txHash = 4;
+	bytes bodyBytes = 5;
+}

src/protobuf/gradido/TransactionBody.proto

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+syntax = "proto3";
+
+package model.messages.gradido;
+
+import "Transfer.proto";
+import "StateCreateGroup.proto";
+import "StateGroupChangeParent.proto";
+import "TransactionCreation.proto";
+
+message TransactionBody {
+	string memo = 1; // max 150 chars
+	oneof data {
+		StateCreateGroup createGroup = 2;
+		StateGroupChangeParent groupChangeParent = 3;
+		Transfer transfer = 4;
+		TransactionCreation creation = 5;
+	}
+}

src/protobuf/gradido/TransactionCreation.proto

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+syntax = "proto3";
+
+package model.messages.gradido;
+
+import "BasicTypes.proto";
+
+// need signature from group admin or 
+// percent of group users another than the receiver
+message TransactionCreation {
+	ReceiverAmount receiverAmount = 1;
+	sint32 ident_hash = 2;
+	
+}

src/protobuf/gradido/Transfer.proto

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+syntax = "proto3";
+
+package model.messages.gradido;
+
+import "BasicTypes.proto";
+
+message Transfer {
+	repeated SenderAmount senderAmounts = 1;
+	repeated ReceiverAmount receiverAmounts = 2; 
+}