package integration import ( "math/big" "github.com/ethereum/go-ethereum/common" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" "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() { 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", 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)) }) }) })