Class: SubstrateClient::Helper
- Inherits:
-
Object
- Object
- SubstrateClient::Helper
- Defined in:
- lib/helper.rb
Class Method Summary collapse
- .compose_call_from_metadata(metadata, module_name, call_name, params) ⇒ Object
- .decode_block(block) ⇒ Object
- .generate_storage_key(module_name, storage_name, params = nil, hasher = nil, hasher2 = nil, metadata_version = nil) ⇒ Object
- .generate_storage_key_from_metadata(metadata, module_name, storage_name, params = nil) ⇒ Object
Class Method Details
.compose_call_from_metadata(metadata, module_name, call_name, params) ⇒ Object
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 |
# File 'lib/helper.rb', line 101 def (, module_name, call_name, params) call = .get_module_call(module_name, call_name) value = { call_index: call[:lookup], module_name: module_name, call_name: call_name, params: [] } params.keys.each_with_index do |call_param_name, i| param_value = params[call_param_name] value[:params] << { name: call_param_name.to_s, type: call[:args][i][:type], value: param_value } end Scale::Types::Extrinsic.new(value).encode end |
.decode_block(block) ⇒ Object
123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 |
# File 'lib/helper.rb', line 123 def decode_block(block) block["block"]["header"]["number"] = block["block"]["header"]["number"].to_i(16) block["block"]["extrinsics_decoded"] = [] block["block"]["extrinsics"].each_with_index do |hex, i| scale_bytes = Scale::Bytes.new(hex) block["block"]["extrinsics_decoded"][i] = Scale::Types::Extrinsic.decode(scale_bytes).to_human end block['block']['header']["digest"]["logs_decoded"] = [] block['block']['header']["digest"]["logs"].each_with_index do |hex, i| scale_bytes = Scale::Bytes.new(hex) log = Scale::Types::LogDigest.decode(scale_bytes).to_human block['block']['header']["digest"]["logs_decoded"][i] = log end block end |
.generate_storage_key(module_name, storage_name, params = nil, hasher = nil, hasher2 = nil, metadata_version = nil) ⇒ Object
62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 |
# File 'lib/helper.rb', line 62 def generate_storage_key(module_name, storage_name, params = nil, hasher = nil, hasher2 = nil, = nil) = 12 if .nil? if and >= 9 storage_key = Crypto.twox128(module_name) + Crypto.twox128(storage_name) params&.each_with_index do |param, index| if index == 0 param_hasher = hasher elsif index == 1 param_hasher = hasher2 else raise "Unexpected third parameter for storage call" end param_key = if param.class == String && param.start_with?("0x") param.hex_to_bytes else param.encode().hex_to_bytes end param_hasher = "Twox128" if param_hasher.nil? storage_key += Crypto.send(param_hasher.underscore2, param_key) end "0x#{storage_key}" else # TODO: add test storage_key = module_name + " " + storage_name unless params.nil? params = [params] if params.class != ::Array params_key = params.join("") hasher = "Twox128" if hasher.nil? storage_key += params_key.hex_to_bytes.bytes_to_utf8 end "0x#{Crypto.send( hasher.underscore2, storage_key )}" end end |
.generate_storage_key_from_metadata(metadata, module_name, storage_name, params = nil) ⇒ Object
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 |
# File 'lib/helper.rb', line 4 def (, module_name, storage_name, params = nil) # find the storage item from metadata = .value.value[:metadata][:modules] = .detect { |mm| mm[:name] == module_name } raise "Module '#{module_name}' not exist" unless storage_item = [:storage][:items].detect { |item| item[:name] == storage_name } raise "Storage item '#{storage_name}' not exist. \n#{.inspect}" unless storage_item if storage_item[:type][:Plain] return_type = storage_item[:type][:Plain] elsif map = storage_item[:type][:Map] raise "Storage call of type \"Map\" requires 1 parameter" if params.nil? || params.length != 1 hasher = map[:hasher] return_type = map[:value] # TODO: decode to account id if param is address # params[0] = decode(params[0]) if map[:key] == "AccountId" type = Scale::Types.get(map[:key]) if params[0].class != type raise Scale::StorageInputTypeError.new("The type of first param is not equal to the type from metadata: #{map[:key]} => #{type}") end params[0] = params[0].encode elsif map = storage_item[:type][:DoubleMap] raise "Storage call of type \"DoubleMapType\" requires 2 parameters" if params.nil? || params.length != 2 hasher = map[:hasher] hasher2 = map[:key2Hasher] return_type = map[:value] type1 = Scale::Types.get(map[:key1]) if params[0].class != type1 raise Scale::StorageInputTypeError.new("The type of 1st param is not equal to the type from metadata: #{map[:key1]} => #{type1.class.name}") end params[0] = params[0].encode type2 = Scale::Types.get(map[:key2]) if params[1].class != type2 raise Scale::StorageInputTypeError.new("The type of 2nd param is not equal to the type from metadata: #{map[:key2]} => #{type2.class.name}") end params[1] = params[1].encode else raise NotImplementedError end storage_prefix = [:storage][:prefix] storage_key = generate_storage_key( storage_prefix.nil? ? module_name : storage_prefix, storage_name, params, hasher, hasher2, .value.value[:metadata][:version] ) storage_modifier = storage_item[:modifier] [storage_key, return_type, storage_item] end |