neoneo-go/cli/smartcontract/generate.go
2022-03-22 15:33:54 +01:00

80 lines
2 KiB
Go

package smartcontract
import (
"fmt"
"os"
"strings"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/binding"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/urfave/cli"
"gopkg.in/yaml.v2"
)
var generateWrapperCmd = cli.Command{
Name: "generate-wrapper",
Usage: "generate wrapper to use in other contracts",
UsageText: "neo-go contract generate-wrapper --manifest <file.json> --out <file.go> --hash <hash>",
Description: ``,
Action: contractGenerateWrapper,
Flags: []cli.Flag{
cli.StringFlag{
Name: "config, c",
Usage: "Configuration file to use",
},
cli.StringFlag{
Name: "manifest, m",
Usage: "Read contract manifest (*.manifest.json) file",
},
cli.StringFlag{
Name: "out, o",
Usage: "Output of the compiled contract",
},
cli.StringFlag{
Name: "hash",
Usage: "Smart-contract hash",
},
},
}
// contractGenerateWrapper deploys contract.
func contractGenerateWrapper(ctx *cli.Context) error {
m, _, err := readManifest(ctx.String("manifest"))
if err != nil {
return cli.NewExitError(fmt.Errorf("can't read contract manifest: %w", err), 1)
}
cfg := binding.NewConfig()
if cfgPath := ctx.String("config"); cfgPath != "" {
bs, err := os.ReadFile(cfgPath)
if err != nil {
return cli.NewExitError(fmt.Errorf("can't read config file: %w", err), 1)
}
err = yaml.Unmarshal(bs, &cfg)
if err != nil {
return cli.NewExitError(fmt.Errorf("can't parse config file: %w", err), 1)
}
}
cfg.Manifest = m
h, err := util.Uint160DecodeStringLE(strings.TrimPrefix(ctx.String("hash"), "0x"))
if err != nil {
return cli.NewExitError(fmt.Errorf("invalid contract hash: %w", err), 1)
}
cfg.Hash = h
f, err := os.Create(ctx.String("out"))
if err != nil {
return cli.NewExitError(fmt.Errorf("can't create output file: %w", err), 1)
}
defer f.Close()
cfg.Output = f
err = binding.Generate(cfg)
if err != nil {
return cli.NewExitError(fmt.Errorf("error during generation: %w", err), 1)
}
return nil
}