frostfs-node/pkg/innerring/invoke/balance.go
Alex Vanin 58cb90966a [#16] ir: Use mint and burn methods in balance contract
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2020-10-02 11:25:35 +03:00

94 lines
1.9 KiB
Go

package invoke
import (
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
)
type (
// TransferXParams for TransferBalanceX invocation.
TransferXParams struct {
Sender []byte
Receiver []byte
Amount int64 // in Fixed16
Comment []byte
}
// LockParams for LockAsset invocation.
LockParams struct {
ID []byte
User util.Uint160
LockAccount util.Uint160
Amount int64 // in Fixed16
Until uint64 // epochs
}
// MintBurnParams for Mint and Burn invocations.
MintBurnParams struct {
ScriptHash []byte
Amount int64 // in Fixed16
Comment []byte
}
)
const (
transferXMethod = "transferX"
lockMethod = "lock"
mintMethod = "mint"
burnMethod = "burn"
)
// TransferBalanceX invokes transferX method.
func TransferBalanceX(cli *client.Client, con util.Uint160, p *TransferXParams) error {
if cli == nil {
return client.ErrNilClient
}
return cli.Invoke(con, extraFee, transferXMethod,
p.Sender,
p.Receiver,
p.Amount,
p.Comment,
)
}
// Mint assets in contract.
func Mint(cli *client.Client, con util.Uint160, p *MintBurnParams) error {
if cli == nil {
return client.ErrNilClient
}
return cli.Invoke(con, extraFee, mintMethod,
p.ScriptHash,
p.Amount,
p.Comment,
)
}
// Burn minted assets.
func Burn(cli *client.Client, con util.Uint160, p *MintBurnParams) error {
if cli == nil {
return client.ErrNilClient
}
return cli.Invoke(con, extraFee, burnMethod,
p.ScriptHash,
p.Amount,
p.Comment,
)
}
// LockAsset invokes Lock method.
func LockAsset(cli *client.Client, con util.Uint160, p *LockParams) error {
if cli == nil {
return client.ErrNilClient
}
return cli.Invoke(con, extraFee, lockMethod,
p.ID,
p.User.BytesBE(),
p.LockAccount.BytesBE(),
p.Amount,
int64(p.Until), // fixme: invoke can work only with int64 values
)
}