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https://github.com/nspcc-dev/neo-go.git
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124 lines
3.6 KiB
Go
124 lines
3.6 KiB
Go
package smartcontract
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import (
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"bytes"
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"fmt"
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"os"
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"strings"
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"github.com/nspcc-dev/neo-go/cli/cmdargs"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/binding"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/rpcbinding"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/urfave/cli/v2"
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"gopkg.in/yaml.v3"
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)
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var generatorFlags = []cli.Flag{
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&cli.StringFlag{
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Name: "config",
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Aliases: []string{"c"},
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Usage: `Configuration bindings file to use (*.yml). Configuration file is
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generated by 'contract compile' command with --bindings flag`,
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},
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&cli.StringFlag{
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Name: "manifest",
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Aliases: []string{"m"},
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Required: true,
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Usage: "Read contract manifest (*.manifest.json) file",
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Action: cmdargs.EnsureNotEmpty("manifest"),
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},
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&cli.StringFlag{
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Name: "out",
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Aliases: []string{"o"},
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Required: true,
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Usage: "Output of the compiled wrapper",
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Action: cmdargs.EnsureNotEmpty("out"),
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},
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&cli.StringFlag{
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Name: "hash",
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Usage: "Smart-contract hash. If not passed, the wrapper will be designed for dynamic hash usage",
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},
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}
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var generateWrapperCmd = &cli.Command{
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Name: "generate-wrapper",
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Usage: "Generate wrapper to use in other contracts",
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UsageText: "neo-go contract generate-wrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]",
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Description: `Generates a Go wrapper to use it in other smart contracts. If the
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--hash flag is provided, CALLT instruction is used for the target contract
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invocation as an optimization of the wrapper contract code. If omitted, the
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generated wrapper will be designed for dynamic hash usage, allowing
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the hash to be specified at runtime.
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`,
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Action: contractGenerateWrapper,
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Flags: generatorFlags,
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}
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var generateRPCWrapperCmd = &cli.Command{
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Name: "generate-rpcwrapper",
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Usage: "Generate RPC wrapper to use for data reads",
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UsageText: "neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]",
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Action: contractGenerateRPCWrapper,
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Flags: generatorFlags,
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}
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func contractGenerateWrapper(ctx *cli.Context) error {
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return contractGenerateSomething(ctx, binding.Generate)
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}
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func contractGenerateRPCWrapper(ctx *cli.Context) error {
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return contractGenerateSomething(ctx, rpcbinding.Generate)
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}
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// contractGenerateSomething reads generator parameters and calls the given callback.
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func contractGenerateSomething(ctx *cli.Context, cb func(binding.Config) error) error {
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if err := cmdargs.EnsureNone(ctx); err != nil {
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return err
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}
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var (
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h util.Uint160
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err error
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)
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if hStr := ctx.String("hash"); len(hStr) != 0 {
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h, err = util.Uint160DecodeStringLE(strings.TrimPrefix(hStr, "0x"))
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if err != nil {
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return cli.Exit(fmt.Errorf("invalid contract hash: %w", err), 1)
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}
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}
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m, _, err := readManifest(ctx.String("manifest"), h)
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if err != nil {
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return cli.Exit(fmt.Errorf("can't read contract manifest: %w", err), 1)
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}
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cfg := binding.NewConfig()
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if cfgPath := ctx.String("config"); cfgPath != "" {
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bs, err := os.ReadFile(cfgPath)
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if err != nil {
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return cli.Exit(fmt.Errorf("can't read config file: %w", err), 1)
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}
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decoder := yaml.NewDecoder(bytes.NewReader(bs))
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decoder.KnownFields(true)
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err = decoder.Decode(&cfg)
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if err != nil {
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return cli.Exit(fmt.Errorf("can't parse config file: %w", err), 1)
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}
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}
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cfg.Manifest = m
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cfg.Hash = h
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f, err := os.Create(ctx.String("out"))
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if err != nil {
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return cli.Exit(fmt.Errorf("can't create output file: %w", err), 1)
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}
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defer f.Close()
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cfg.Output = f
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err = cb(cfg)
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if err != nil {
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return cli.Exit(fmt.Errorf("error during generation: %w", err), 1)
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}
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return nil
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}
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