lotus/conformance/rand_fixed.go

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2020-10-07 11:45:11 +00:00
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) GetChainRandomness(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
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return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
}
func (r *fixedRand) GetBeaconRandomness(_ context.Context, _ crypto.DomainSeparationTag, _ abi.ChainEpoch, _ []byte) ([]byte, error) {
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return []byte("i_am_random_____i_am_random_____"), nil // 32 bytes.
}