evm/polycat/masterchef.go
2021-11-09 09:45:18 +04:00

49 lines
1.6 KiB
Go

package polycat
import (
"context"
"math/big"
"git.lehouerou.net/laurent/evm/polygon"
"git.lehouerou.net/laurent/evm"
"git.lehouerou.net/laurent/evm/polycat/contracts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/pkg/errors"
"github.com/shopspring/decimal"
)
const (
MasterchefAddress = "0x8CFD1B9B7478E7B0422916B72d1DB6A9D513D734"
DepositReferer = "0"
)
type MasterchefService struct {
client *polygon.Client
contract *contracts.Masterchef
}
func NewMasterchefService(c *polygon.Client) (*MasterchefService, error) {
contract, err := contracts.NewMasterchef(common.HexToAddress(MasterchefAddress), c)
if err != nil {
return nil, errors.Wrap(err, "init contract")
}
return &MasterchefService{
contract: contract,
client: c,
}, nil
}
func (s *MasterchefService) Harvest(ctx context.Context, poolid int, opts ...evm.ExecutionOption) (evm.Transaction, error) {
return s.client.Execute(ctx, func(ctx context.Context, options *evm.TransactOpts) (*types.Transaction, error) {
return s.contract.Deposit(options.TransactOpts, big.NewInt(int64(poolid)), big.NewInt(0), common.HexToAddress(DepositReferer))
}, opts...)
}
func (s *MasterchefService) Deposit(ctx context.Context, poolid int, amount decimal.Decimal, opts ...evm.ExecutionOption) (evm.Transaction, error) {
return s.client.Execute(ctx, func(ctx context.Context, options *evm.TransactOpts) (*types.Transaction, error) {
return s.contract.Deposit(options.TransactOpts, big.NewInt(int64(poolid)), amount.Shift(18).BigInt(), common.HexToAddress(DepositReferer))
}, opts...)
}