Feature/genesis parser (#1775)

* Add genesis block parser

Signed-off-by: grimadas <[email protected]>

utils/genesis_parser.py

@@ -0,0 +1,103 @@
+'''
+This script will parse Iroha block and form a markdown file with accounts, assets, domains, roles tables.
+Markdown file will be saved locally in the same folder  
+'''
+import sys
+import block_pb2
+import primitive_pb2
+from google.protobuf import json_format
+
+import json
+import pytablewriter
+
+if len(sys.argv) != 2:
+    print("Add genesis block path")
+    exit(1)
+
+with open(sys.argv[1]) as f:
+    data = json.load(f)
+
+json_str = json.dumps(data)
+parsed_block = json_format.Parse(json_str, block_pb2.Block(), ignore_unknown_fields=True)
+
+tx_num = len(parsed_block.payload.transactions)
+
+domain_writer = pytablewriter.MarkdownTableWriter()
+domain_writer.table_name = "Domains"
+domain_writer.header_list = ["Domain id", "Default Role"]
+
+role_writer = pytablewriter.MarkdownTableWriter()
+role_writer.table_name = "Roles"
+role_writer.header_list = ["Role Name", "Permissions"]
+
+acc_writer = pytablewriter.MarkdownTableWriter()
+acc_writer.table_name = "Accounts"
+acc_writer.header_list = ["Account id", "Roles", "All permissions"]
+
+assets = []
+domains = {}
+roles = {}
+accounts = {}
+
+d_wr = []
+r_wr = []
+ac_wr = []
+
+name_by_val = primitive_pb2._ROLEPERMISSION.values_by_number
+
+for i in range(tx_num):
+    tx = parsed_block.payload.transactions[i]
+    tx_commands = tx.payload.reduced_payload.commands
+    for com in tx_commands:
+        if com.HasField("create_asset"):
+            assets.append(
+                [str(com.create_asset.asset_name) + "#" + str(com.create_asset.domain_id), com.create_asset.precision])
+        if com.HasField("create_domain"):
+            domains[str(com.create_domain.domain_id)] = str(com.create_domain.default_role)
+            d_wr.append([str(com.create_domain.domain_id), str(com.create_domain.default_role)])
+        if com.HasField("create_role"):
+            perms = [str(name_by_val[x].name) for x in com.create_role.permissions]
+            perm_string = ', \n\n'.join(map(str, perms))
+            roles[str(com.create_role.role_name)] = perms
+            r_wr.append([str(com.create_role.role_name), perm_string])
+        if com.HasField("create_account"):
+            acc_id = com.create_account.account_name + "@" + com.create_account.domain_id
+            # User default role
+            def_role = domains[com.create_account.domain_id]
+            perms_set = set(roles[def_role])
+            accounts[acc_id] = ([def_role], perms_set)
+        if com.HasField("append_role"):
+            acc_id = com.append_role.account_id
+            role = com.append_role.role_name
+            accounts[acc_id][0].append(role)
+            accounts[acc_id][1].update(roles[role])
+
+for acc in accounts.keys():
+    str1 = ", \n\n".join(list(accounts[acc][0]))
+    perms_sort = sorted(accounts[acc][1])
+    ac_wr.append([acc, str1, ", \n\n".join(perms_sort)])
+
+# Account
+acc_writer.value_matrix = ac_wr
+acc_table = acc_writer.dumps()
+
+# Domains
+domain_writer.value_matrix = d_wr
+domain_table = domain_writer.dumps()
+
+# Assets
+asts_writer = pytablewriter.MarkdownTableWriter()
+asts_writer.table_name = "Assets"
+asts_writer.header_list = ["Asset id", "Precision:"]
+asts_writer.value_matrix = assets
+ast_table = asts_writer.dumps()
+
+# Roles
+role_writer.value_matrix = r_wr
+role_domain = role_writer.dumps()
+
+with open("genesis.md", "w") as f:
+    f.write(domain_table)
+    f.write(ast_table)
+    f.write(role_domain)
+    f.write(acc_table)

utils/prepare.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+cd $(dirname $0)
+
+# generate proto files in current dir
+protoc --proto_path=../shared_model/schema --python_out=. ../shared_model/schema/*.proto
+python -m grpc_tools.protoc --proto_path=../shared_model/schema --python_out=. --grpc_python_out=. ../shared_model/schema/endpoint.proto