ipld-eth-server/pkg/transformers/shared/log_chunker_test.go
2018-12-11 13:52:02 +01:00

123 lines
3.7 KiB
Go

// Copyright 2018 Vulcanize
//
// 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.
package shared_test
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
var _ = Describe("Log chunker", func() {
var (
configs []shared.TransformerConfig
chunker shared.LogChunker
)
BeforeEach(func() {
configA := shared.TransformerConfig{
TransformerName: "TransformerA",
ContractAddresses: []string{"0x00000000000000000000000000000000000000A1", "0x00000000000000000000000000000000000000A2"},
Topic: "0xA",
}
configB := shared.TransformerConfig{
TransformerName: "TransformerB",
ContractAddresses: []string{"0x00000000000000000000000000000000000000B1"},
Topic: "0xB",
}
configC := shared.TransformerConfig{
TransformerName: "TransformerC",
ContractAddresses: []string{"0x00000000000000000000000000000000000000A2"},
Topic: "0xC",
}
configs = []shared.TransformerConfig{configA, configB, configC}
chunker = shared.NewLogChunker(configs)
})
Describe("initialisation", func() {
It("creates lookup maps correctly", func() {
Expect(chunker.AddressToNames).To(Equal(map[string][]string{
"0x00000000000000000000000000000000000000A1": []string{"TransformerA"},
"0x00000000000000000000000000000000000000A2": []string{"TransformerA", "TransformerC"},
"0x00000000000000000000000000000000000000B1": []string{"TransformerB"},
}))
Expect(chunker.NameToTopic0).To(Equal(map[string]common.Hash{
"TransformerA": common.HexToHash("0xA"),
"TransformerB": common.HexToHash("0xB"),
"TransformerC": common.HexToHash("0xC"),
}))
})
})
Describe("ChunkLogs", func() {
It("only associates logs with relevant topic0 and address to transformers", func() {
logs := []types.Log{log1, log2, log3, log4, log5}
chunks := chunker.ChunkLogs(logs)
Expect(chunks["TransformerA"]).To(And(ContainElement(log1), ContainElement(log4)))
Expect(chunks["TransformerB"]).To(BeEmpty())
Expect(chunks["TransformerC"]).To(ContainElement(log5))
})
})
})
var (
// Match TransformerA
log1 = types.Log{
Address: common.HexToAddress("0xA1"),
Topics: []common.Hash{
common.HexToHash("0xA"),
common.HexToHash("0xLogTopic1"),
},
}
// Match TransformerA address, but not topic0
log2 = types.Log{
Address: common.HexToAddress("0xA1"),
Topics: []common.Hash{
common.HexToHash("0xB"),
common.HexToHash("0xLogTopic2"),
},
}
// Match TransformerA topic, but TransformerB address
log3 = types.Log{
Address: common.HexToAddress("0xB1"),
Topics: []common.Hash{
common.HexToHash("0xA"),
common.HexToHash("0xLogTopic3"),
},
}
// Match TransformerA, with the other address
log4 = types.Log{
Address: common.HexToAddress("0xA2"),
Topics: []common.Hash{
common.HexToHash("0xA"),
common.HexToHash("0xLogTopic4"),
},
}
// Match TransformerC, which shares address with TransformerA
log5 = types.Log{
Address: common.HexToAddress("0xA2"),
Topics: []common.Hash{
common.HexToHash("0xC"),
common.HexToHash("0xLogTopic5"),
},
}
)