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run.go
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run.go
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package keyscli
import (
"context"
"flag"
"fmt"
"io"
"os"
"github.com/gnolang/gno/gno.land/pkg/sdk/vm"
gno "github.com/gnolang/gno/gnovm/pkg/gnolang"
"github.com/gnolang/gno/tm2/pkg/amino"
"github.com/gnolang/gno/tm2/pkg/commands"
"github.com/gnolang/gno/tm2/pkg/crypto/keys"
"github.com/gnolang/gno/tm2/pkg/crypto/keys/client"
"github.com/gnolang/gno/tm2/pkg/errors"
"github.com/gnolang/gno/tm2/pkg/std"
)
type MakeRunCfg struct {
RootCfg *client.MakeTxCfg
}
func NewMakeRunCmd(rootCfg *client.MakeTxCfg, cmdio commands.IO) *commands.Command {
cfg := &MakeRunCfg{
RootCfg: rootCfg,
}
return commands.NewCommand(
commands.Metadata{
Name: "run",
ShortUsage: "run [flags] <key-name or address> <file or - or dir>",
ShortHelp: "Runs Gno code by invoking main() in a package",
},
cfg,
func(_ context.Context, args []string) error {
return execMakeRun(cfg, args, cmdio)
},
)
}
func (c *MakeRunCfg) RegisterFlags(fs *flag.FlagSet) {}
func execMakeRun(cfg *MakeRunCfg, args []string, cmdio commands.IO) error {
if len(args) != 2 {
return flag.ErrHelp
}
if cfg.RootCfg.GasWanted == 0 {
return errors.New("gas-wanted not specified")
}
if cfg.RootCfg.GasFee == "" {
return errors.New("gas-fee not specified")
}
nameOrBech32 := args[0]
sourcePath := args[1] // can be a file path, a dir path, or '-' for stdin
// read account pubkey.
kb, err := keys.NewKeyBaseFromDir(cfg.RootCfg.RootCfg.Home)
if err != nil {
return err
}
info, err := kb.GetByNameOrAddress(nameOrBech32)
if err != nil {
return err
}
caller := info.GetAddress()
// parse gas wanted & fee.
gaswanted := cfg.RootCfg.GasWanted
gasfee, err := std.ParseCoin(cfg.RootCfg.GasFee)
if err != nil {
return errors.Wrap(err, "parsing gas fee coin")
}
memPkg := &std.MemPackage{}
if sourcePath == "-" { // stdin
data, err := io.ReadAll(cmdio.In())
if err != nil {
return fmt.Errorf("could not read stdin: %w", err)
}
memPkg.Files = []*std.MemFile{
{
Name: "stdin.gno",
Body: string(data),
},
}
} else {
info, err := os.Stat(sourcePath)
if err != nil {
return fmt.Errorf("could not read source path: %q, %w", sourcePath, err)
}
if info.IsDir() {
memPkg = gno.ReadMemPackage(sourcePath, "")
} else { // is file
b, err := os.ReadFile(sourcePath)
if err != nil {
return fmt.Errorf("could not read %q: %w", sourcePath, err)
}
memPkg.Files = []*std.MemFile{
{
Name: info.Name(),
Body: string(b),
},
}
}
}
if memPkg.IsEmpty() {
panic(fmt.Sprintf("found an empty package %q", memPkg.Path))
}
// precompile and validate syntax
err = gno.PrecompileAndCheckMempkg(memPkg)
if err != nil {
panic(err)
}
memPkg.Name = "main"
memPkg.Path = "gno.land/r/" + caller.String() + "/run"
// construct msg & tx and marshal.
msg := vm.MsgRun{
Caller: caller,
Package: memPkg,
}
tx := std.Tx{
Msgs: []std.Msg{msg},
Fee: std.NewFee(gaswanted, gasfee),
Signatures: nil,
Memo: cfg.RootCfg.Memo,
}
if cfg.RootCfg.Broadcast {
err := client.ExecSignAndBroadcast(cfg.RootCfg, args, tx, cmdio)
if err != nil {
return err
}
} else {
fmt.Println(string(amino.MustMarshalJSON(tx)))
}
return nil
}