frostfs-node/pkg/innerring/invoke/neofs.go
Alex Vanin 0745267411 [] innerring: Increase minimal extra fee on contract invocations
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2021-01-20 16:36:10 +03:00

90 lines
2.2 KiB
Go

package invoke
import (
"bytes"
"crypto/ecdsa"
"github.com/nspcc-dev/neo-go/pkg/util"
crypto "github.com/nspcc-dev/neofs-crypto"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
)
type (
// ChequeParams for CashOutCheque invocation.
ChequeParams struct {
ID []byte
Amount int64 // Fixed8
User util.Uint160
LockAccount util.Uint160
}
)
const (
// Extra SysFee for contract invocations. Contracts execute inner ring
// invocations in two steps: collection and execution. At collection
// step contract waits for (2\3*n + 1) invocations, and then in execution
// stage contract actually makes changes in the contract storage. SysFee
// for invocation calculated based on testinvoke which happens at collection
// stage. Therefore client has to provide some extra SysFee to operate at
// execution stage. Otherwise invocation will fail due to gas limit.
extraFee = 2_0000_0000 // 2.0 Fixed8 gas
innerRingListMethod = "innerRingList"
chequeMethod = "cheque"
)
// CashOutCheque invokes Cheque method.
func CashOutCheque(cli *client.Client, con util.Uint160, p *ChequeParams) error {
if cli == nil {
return client.ErrNilClient
}
return cli.Invoke(con, extraFee, chequeMethod,
p.ID,
p.User.BytesBE(),
p.Amount,
p.LockAccount.BytesBE(),
)
}
// InnerRingIndex returns index of the `key` in the inner ring list from sidechain
// along with total size of inner ring list. If key is not in the inner ring list,
// then returns `-1` as index.
func InnerRingIndex(cli *client.Client, con util.Uint160, key *ecdsa.PublicKey) (int32, int32, error) {
if cli == nil {
return 0, 0, client.ErrNilClient
}
nodePublicKey := crypto.MarshalPublicKey(key)
data, err := cli.TestInvoke(con, innerRingListMethod)
if err != nil {
return 0, 0, err
}
irNodes, err := client.ArrayFromStackItem(data[0])
if err != nil {
return 0, 0, err
}
var result int32 = -1
for i := range irNodes {
key, err := client.ArrayFromStackItem(irNodes[i])
if err != nil {
return 0, 0, err
}
keyValue, err := client.BytesFromStackItem(key[0])
if err != nil {
return 0, 0, err
}
if bytes.Equal(keyValue, nodePublicKey) {
result = int32(i)
break
}
}
return result, int32(len(irNodes)), nil
}