Require ABI filepath for watching a contract

This commit is contained in:
Eric Meyer 2017-12-04 15:12:27 -06:00
parent fa2766b64d
commit a0cd7f773a
6 changed files with 50 additions and 6 deletions

View File

@ -39,11 +39,20 @@ func tasks(p *do.Project) {
p.Task("watchContract", nil, func(context *do.Context) {
environment := parseEnvironment(context)
contractHash := context.Args.MayString("", "contract-hash", "c")
abiFilepath := context.Args.MayString("", "abi-filepath", "a")
if contractHash == "" {
log.Fatalln("--contract-hash required")
}
context.Start(`go run main.go --environment={{.environment}} --contract-hash={{.contractHash}}`,
do.M{"environment": environment, "contractHash": contractHash, "$in": "cmd/subscribe_contract"})
if abiFilepath == "" {
log.Fatalln("--abi-filepath required")
}
context.Start(`go run main.go --environment={{.environment}} --contract-hash={{.contractHash}} --abi-filepath={{.abiFilepath}}`,
do.M{
"environment": environment,
"contractHash": contractHash,
"abiFilepath": abiFilepath,
"$in": "cmd/subscribe_contract",
})
})
p.Task("migrate", nil, func(context *do.Context) {

View File

@ -10,8 +10,13 @@ import (
func main() {
environment := flag.String("environment", "", "Environment name")
contractHash := flag.String("contract-hash", "", "contract-hash=x1234")
abiFilepath := flag.String("abi-filepath", "", "path/to/abifile.json")
flag.Parse()
config := cmd.LoadConfig(*environment)
repository := cmd.LoadPostgres(config.Database)
repository.CreateWatchedContract(repositories.WatchedContract{Hash: *contractHash})
watchedContract := repositories.WatchedContract{
Abi: cmd.ReadAbiFile(*abiFilepath),
Hash: *contractHash,
}
repository.CreateWatchedContract(watchedContract)
}

View File

@ -3,7 +3,10 @@ package cmd
import (
"log"
"path/filepath"
"github.com/8thlight/vulcanizedb/pkg/config"
"github.com/8thlight/vulcanizedb/pkg/geth"
"github.com/8thlight/vulcanizedb/pkg/repositories"
)
@ -22,3 +25,14 @@ func LoadPostgres(database config.Database) repositories.Postgres {
}
return repository
}
func ReadAbiFile(abiFilepath string) string {
if !filepath.IsAbs(abiFilepath) {
abiFilepath = filepath.Join(config.ProjectRoot(), abiFilepath)
}
abi, err := geth.ReadAbiFile(abiFilepath)
if err != nil {
log.Fatalf("Error reading ABI file at \"%s\"\n %v", abiFilepath, err)
}
return abi
}

View File

@ -14,14 +14,21 @@ var (
)
func ParseAbiFile(abiFilePath string) (abi.ABI, error) {
filesBytes, err := ioutil.ReadFile(abiFilePath)
abiString, err := ReadAbiFile(abiFilePath)
if err != nil {
return abi.ABI{}, ErrMissingAbiFile
}
abiString := string(filesBytes)
parsedAbi, err := abi.JSON(strings.NewReader(abiString))
if err != nil {
return abi.ABI{}, ErrInvalidAbiFile
}
return parsedAbi, nil
}
func ReadAbiFile(abiFilePath string) (string, error) {
filesBytes, err := ioutil.ReadFile(abiFilePath)
if err != nil {
return "", ErrMissingAbiFile
}
return string(filesBytes), nil
}

View File

@ -21,6 +21,15 @@ var _ = Describe("Reading ABI files", func() {
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")

View File

@ -1 +1 @@
[{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"},{"name":"_releaseTime","type":"uint256"}],"name":"mintTimelocked","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]
[{"foo": "bar"}]