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systemContract.go
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systemContract.go
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/**
* @file
* @copyright defined in scdo/LICENSE
*/
package cmd
import (
"errors"
"fmt"
"github.com/scdoproject/go-scdo/cmd/util"
"github.com/scdoproject/go-scdo/common"
"github.com/scdoproject/go-scdo/common/hexutil"
"github.com/scdoproject/go-scdo/core/types"
"github.com/scdoproject/go-scdo/rpc"
)
type handler func(client *rpc.Client) (interface{}, interface{}, error)
var (
errInvalidCommand = errors.New("invalid command")
errInvalidSubcommand = errors.New("invalid subcommand")
systemContract = map[string]map[string]handler{
"htlc": map[string]handler{
"create": createHTLC,
"withdraw": withdraw,
"refund": refund,
"get": getHTLC,
},
"domain": map[string]handler{
"create": createDomainName,
"getOwner": getDomainNameOwner,
},
"subchain": map[string]handler{
"register": registerSubChain,
"query": querySubChain,
},
}
// if the method have key-value, use the call method to get receipt
callFlags = map[string]map[string]string{
"htlc": map[string]string{
"get": "1",
},
}
)
// sendSystemContractTx send system contract transaction
func sendSystemContractTx(client *rpc.Client, to common.Address, method byte, payload []byte) (*types.Transaction, error) {
key, txd, err := makeTransactionData(client)
if err != nil {
return nil, err
}
txd.To = to
txd.Payload = append([]byte{method}, payload...)
tx, err := util.GenerateTx(key.PrivateKey, &txd.From, txd.To, txd.Amount, txd.GasPrice, txd.GasLimit, txd.AccountNonce, txd.Payload)
if err != nil {
return nil, err
}
return tx, err
}
// sendTx send transaction or contract
func sendTx(client *rpc.Client, arg interface{}) error {
var result bool
if err := client.Call(&result, "scdo_addTx", arg); err != nil || !result {
return fmt.Errorf("Failed to call rpc, %s", err)
}
return nil
}
// callTx call transaction or contract
func callTx(client *rpc.Client, tx *types.Transaction) (interface{}, error) {
var result interface{}
if tx != nil {
if err := client.Call(&result, "scdo_call", tx.Data.To.Hex(), hexutil.BytesToHex(tx.Data.Payload), -1); err != nil {
return nil, fmt.Errorf("Failed to call rpc, %s", err)
}
} else {
return nil, errors.New("Invalid parameters")
}
return result, nil
}