lotus/conformance/rand_fixed.go
2021-05-26 21:06:06 -04:00

37 lines
1.3 KiB
Go

package conformance
import (
"context"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/crypto"
"github.com/filecoin-project/lotus/chain/vm"
)
type fixedRand struct{}
var _ vm.Rand = (*fixedRand)(nil)
// NewFixedRand creates a test vm.Rand that always returns fixed bytes value
// of utf-8 string 'i_am_random_____i_am_random_____'.
func NewFixedRand() vm.Rand {
return &fixedRand{}
}
func (r *fixedRand) GetChainRandomnessLookingForward(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
}
func (r *fixedRand) GetChainRandomnessLookingBack(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
}
func (r *fixedRand) GetBeaconRandomnessLookingForward(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
}
func (r *fixedRand) GetBeaconRandomnessLookingBack(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
}