planetmint-go/x/machine/keeper/msg_server_attest_machine.go
Julian Strobl 45504f4670
Replace fmt.PrintX calls by proper logging (#159)
// Closes #137

Signed-off-by: Julian Strobl <jmastr@mailbox.org>
2023-10-20 12:57:42 +02:00

122 lines
3.7 KiB
Go

package keeper
import (
"bytes"
"context"
"os/exec"
"strings"
config "github.com/planetmint/planetmint-go/config"
"github.com/planetmint/planetmint-go/util"
"github.com/planetmint/planetmint-go/x/machine/types"
"github.com/btcsuite/btcd/btcutil/hdkeychain"
"github.com/btcsuite/btcd/chaincfg"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func (k msgServer) isNFTCreationRequest(machine *types.Machine) bool {
if !machine.GetReissue() && machine.GetAmount() == 1 && machine.GetPrecision() == 8 {
return true
}
return false
}
func (k msgServer) AttestMachine(goCtx context.Context, msg *types.MsgAttestMachine) (*types.MsgAttestMachineResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// the ante handler verifies that the MachineID exists. Additional result checks got moved to the ante-handler
// and removed from here due to inconsistency or checking the same thing over and over again.
ta, _, _ := k.GetTrustAnchor(ctx, msg.Machine.MachineId)
isValidMachineId, err := util.ValidateSignature(msg.Machine.MachineId, msg.Machine.MachineIdSignature, msg.Machine.MachineId)
if !isValidMachineId {
return nil, err
}
isValidIssuerPlanetmint := validateExtendedPublicKey(msg.Machine.IssuerPlanetmint, config.PlmntNetParams)
if !isValidIssuerPlanetmint {
return nil, errorsmod.Wrap(types.ErrInvalidKey, "planetmint")
}
isValidIssuerLiquid := validateExtendedPublicKey(msg.Machine.IssuerLiquid, config.LiquidNetParams)
if !isValidIssuerLiquid {
return nil, errorsmod.Wrap(types.ErrInvalidKey, "liquid")
}
if k.isNFTCreationRequest(msg.Machine) && util.IsValidatorBlockProposer(ctx, ctx.BlockHeader().ProposerAddress) {
_ = k.issueMachineNFT(ctx, msg.Machine)
//TODO create NFTCreationMessage to be stored by all nodes
// if err != nil {
// return nil, types.ErrNFTIssuanceFailed
// }
}
if msg.Machine.GetType() == 0 { // 0 == RDDL_MACHINE_UNDEFINED
return nil, types.ErrMachineTypeUndefined
}
k.StoreMachine(ctx, *msg.Machine)
k.StoreMachineIndex(ctx, *msg.Machine)
err = k.StoreTrustAnchor(ctx, ta, true)
if err != nil {
return nil, err
}
return &types.MsgAttestMachineResponse{}, err
}
func validateExtendedPublicKey(issuer string, cfg chaincfg.Params) bool {
xpubKey, err := hdkeychain.NewKeyFromString(issuer)
if err != nil {
return false
}
isValidExtendedPublicKey := xpubKey.IsForNet(&cfg)
return isValidExtendedPublicKey
}
func (k msgServer) issueNFTAsset(ctx sdk.Context, name string, machine_address string) (asset_id string, contract string, err error) {
conf := config.GetConfig()
logger := ctx.Logger()
cmdName := "poetry"
cmdArgs := []string{"run", "python", "issuer_service/issue2liquid.py", name, machine_address}
// Create a new command
cmd := exec.Command(cmdName, cmdArgs...)
// If you want to set the working directory
cmd.Dir = conf.IssuanceServiceDir
// Capture the output
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
// Execute the command
err = cmd.Run()
if err != nil {
logger.Error("cmd.Run() failed with %s\n", err)
err = errorsmod.Wrap(types.ErrMachineNFTIssuance, stderr.String())
} else {
lines := strings.Split(stdout.String(), "\n")
if len(lines) == 3 {
asset_id = lines[0]
contract = lines[1]
} else {
err = errorsmod.Wrap(types.ErrMachineNFTIssuanceNoOutput, stderr.String())
}
}
return asset_id, contract, err
}
func (k msgServer) issueMachineNFT(ctx sdk.Context, machine *types.Machine) error {
_, _, err := k.issueNFTAsset(ctx, machine.Name, machine.Address)
return err
// asset registration is not performed in case of NFT issuance for machines
//asset_id, contract, err := k.issueNFTAsset(machine.Name, machine.Address)
// if err != nil {
// return err
// }
//return k.registerAsset(asset_id, contract)
}