ipld-eth-server/pkg/geth/abi_test.go
2018-01-25 18:08:26 -06:00

123 lines
3.4 KiB
Go

package geth_test
import (
"path/filepath"
"net/http"
"fmt"
"log"
cfg "github.com/vulcanize/vulcanizedb/pkg/config"
"github.com/vulcanize/vulcanizedb/pkg/geth"
"github.com/ethereum/go-ethereum/accounts/abi"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/ghttp"
)
var _ = Describe("ABI files", func() {
Describe("Reading ABI files", func() {
It("loads a valid ABI file", func() {
path := filepath.Join(cfg.ProjectRoot(), "pkg", "geth", "testing", "valid_abi.json")
contractAbi, err := geth.ParseAbiFile(path)
Expect(contractAbi).NotTo(BeNil())
Expect(err).To(BeNil())
})
It("reads the contents of a valid ABI file", func() {
path := filepath.Join(cfg.ProjectRoot(), "pkg", "geth", "testing", "valid_abi.json")
contractAbi, err := geth.ReadAbiFile(path)
Expect(contractAbi).To(Equal("[{\"foo\": \"bar\"}]"))
Expect(err).To(BeNil())
})
It("returns an error when the file does not exist", func() {
path := filepath.Join(cfg.ProjectRoot(), "pkg", "geth", "testing", "missing_abi.json")
contractAbi, err := geth.ParseAbiFile(path)
Expect(contractAbi).To(Equal(abi.ABI{}))
Expect(err).To(Equal(geth.ErrMissingAbiFile))
})
It("returns an error when the file has invalid contents", func() {
path := filepath.Join(cfg.ProjectRoot(), "pkg", "geth", "testing", "invalid_abi.json")
contractAbi, err := geth.ParseAbiFile(path)
Expect(contractAbi).To(Equal(abi.ABI{}))
Expect(err).To(Equal(geth.ErrInvalidAbiFile))
})
Describe("Request ABI from endpoint", func() {
var (
server *ghttp.Server
client *geth.EtherScanApi
abiString string
)
BeforeEach(func() {
server = ghttp.NewServer()
client = geth.NewEtherScanClient(server.URL())
path := filepath.Join(cfg.ProjectRoot(), "pkg", "geth", "testing", "sample_abi.json")
abiString, err := geth.ReadAbiFile(path)
_, err = geth.ParseAbi(abiString)
if err != nil {
log.Fatalln("Could not parse ABI")
}
})
AfterEach(func() {
server.Close()
})
Describe("Fetching ABI from api (etherscan)", func() {
BeforeEach(func() {
response := fmt.Sprintf(`{"status":"1","message":"OK","result":%q}`, abiString)
server.AppendHandlers(
ghttp.CombineHandlers(
ghttp.VerifyRequest("GET", "/api", "module=contract&action=getabi&address=0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"),
ghttp.RespondWith(http.StatusOK, response),
),
)
})
It("should make a GET request with supplied contract hash", func() {
abi, err := client.GetAbi("0xd26114cd6EE289AccF82350c8d8487fedB8A0C07")
Expect(server.ReceivedRequests()).Should(HaveLen(1))
Expect(err).ShouldNot(HaveOccurred())
Expect(abi).Should(Equal(abiString))
})
})
})
Describe("Generating etherscan endpoints based on network", func() {
It("should return the main endpoint as the default", func() {
url := geth.GenUrl("")
Expect(url).To(Equal("https://api.etherscan.io"))
})
It("generates various test network endpoint if test network is supplied", func() {
ropstenUrl := geth.GenUrl("ropsten")
rinkebyUrl := geth.GenUrl("rinkeby")
kovanUrl := geth.GenUrl("kovan")
Expect(ropstenUrl).To(Equal("https://ropsten.etherscan.io"))
Expect(kovanUrl).To(Equal("https://kovan.etherscan.io"))
Expect(rinkebyUrl).To(Equal("https://rinkeby.etherscan.io"))
})
})
})
})