ipld-eth-server/integration_test/contract_test.go

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package integration
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/geth"
"github.com/vulcanize/vulcanizedb/pkg/geth/testing"
"github.com/vulcanize/vulcanizedb/test_config"
)
var _ = Describe("Reading contracts", func() {
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Describe("Getting a contract attribute", func() {
It("retrieves the event log for a specific block and contract", func() {
expectedLogZero := core.Log{
BlockNumber: 4703824,
TxHash: "0xf896bfd1eb539d881a1a31102b78de9f25cd591bf1fe1924b86148c0b205fd5d",
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Address: "0xd26114cd6ee289accf82350c8d8487fedb8a0c07",
Topics: core.Topics{
0: "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
1: "0x000000000000000000000000fbb1b73c4f0bda4f67dca266ce6ef42f520fbb98",
2: "0x000000000000000000000000d26114cd6ee289accf82350c8d8487fedb8a0c07",
},
Index: 19,
Data: "0x0000000000000000000000000000000000000000000000000c7d713b49da0000"}
blockchain := geth.NewBlockChain(test_config.InfuraClient.IPCPath)
contract := testing.SampleContract()
logs, err := blockchain.GetLogs(contract, big.NewInt(4703824), nil)
Expect(err).To(BeNil())
Expect(len(logs)).To(Equal(3))
Expect(logs[0]).To(Equal(expectedLogZero))
})
It("returns and empty log array when no events for a given block / contract combo", func() {
blockchain := geth.NewBlockChain(test_config.InfuraClient.IPCPath)
logs, err := blockchain.GetLogs(core.Contract{Hash: "x123"}, big.NewInt(4703824), nil)
Expect(err).To(BeNil())
Expect(len(logs)).To(Equal(0))
})
})
Describe("Fetching Contract data", func() {
It("returns the correct attribute for a real contract", func() {
blockchain := geth.NewBlockChain(test_config.InfuraClient.IPCPath)
contract := testing.SampleContract()
var balance = new(big.Int)
args := common.HexToHash("0xd26114cd6ee289accf82350c8d8487fedb8a0c07")
err := blockchain.FetchContractData(contract.Abi, "0xd26114cd6ee289accf82350c8d8487fedb8a0c07", "balanceOf", args, &balance, 5167471)
Expect(err).NotTo(HaveOccurred())
expected := new(big.Int)
expected.SetString("10897295492887612977137", 10)
Expect(balance).To(Equal(expected))
})
})
})