You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
140 lines
3.7 KiB
140 lines
3.7 KiB
package merkle
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
amino "github.com/tendermint/go-amino"
|
|
cmn "github.com/tendermint/tendermint/libs/common"
|
|
)
|
|
|
|
const ProofOpDomino = "test:domino"
|
|
|
|
// Expects given input, produces given output.
|
|
// Like the game dominos.
|
|
type DominoOp struct {
|
|
key string // unexported, may be empty
|
|
Input string
|
|
Output string
|
|
}
|
|
|
|
func NewDominoOp(key, input, output string) DominoOp {
|
|
return DominoOp{
|
|
key: key,
|
|
Input: input,
|
|
Output: output,
|
|
}
|
|
}
|
|
|
|
func DominoOpDecoder(pop ProofOp) (ProofOperator, error) {
|
|
if pop.Type != ProofOpDomino {
|
|
panic("unexpected proof op type")
|
|
}
|
|
var op DominoOp // a bit strange as we'll discard this, but it works.
|
|
err := amino.UnmarshalBinaryLengthPrefixed(pop.Data, &op)
|
|
if err != nil {
|
|
return nil, cmn.ErrorWrap(err, "decoding ProofOp.Data into SimpleValueOp")
|
|
}
|
|
return NewDominoOp(string(pop.Key), op.Input, op.Output), nil
|
|
}
|
|
|
|
func (dop DominoOp) ProofOp() ProofOp {
|
|
bz := amino.MustMarshalBinaryLengthPrefixed(dop)
|
|
return ProofOp{
|
|
Type: ProofOpDomino,
|
|
Key: []byte(dop.key),
|
|
Data: bz,
|
|
}
|
|
}
|
|
|
|
func (dop DominoOp) Run(input [][]byte) (output [][]byte, err error) {
|
|
if len(input) != 1 {
|
|
return nil, cmn.NewError("Expected input of length 1")
|
|
}
|
|
if string(input[0]) != dop.Input {
|
|
return nil, cmn.NewError("Expected input %v, got %v",
|
|
dop.Input, string(input[0]))
|
|
}
|
|
return [][]byte{[]byte(dop.Output)}, nil
|
|
}
|
|
|
|
func (dop DominoOp) GetKey() []byte {
|
|
return []byte(dop.key)
|
|
}
|
|
|
|
//----------------------------------------
|
|
|
|
func TestProofOperators(t *testing.T) {
|
|
var err error
|
|
|
|
// ProofRuntime setup
|
|
// TODO test this somehow.
|
|
// prt := NewProofRuntime()
|
|
// prt.RegisterOpDecoder(ProofOpDomino, DominoOpDecoder)
|
|
|
|
// ProofOperators setup
|
|
op1 := NewDominoOp("KEY1", "INPUT1", "INPUT2")
|
|
op2 := NewDominoOp("KEY2", "INPUT2", "INPUT3")
|
|
op3 := NewDominoOp("", "INPUT3", "INPUT4")
|
|
op4 := NewDominoOp("KEY4", "INPUT4", "OUTPUT4")
|
|
|
|
// Good
|
|
popz := ProofOperators([]ProofOperator{op1, op2, op3, op4})
|
|
err = popz.Verify(bz("OUTPUT4"), "/KEY4/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.Nil(t, err)
|
|
err = popz.VerifyValue(bz("OUTPUT4"), "/KEY4/KEY2/KEY1", bz("INPUT1"))
|
|
assert.Nil(t, err)
|
|
|
|
// BAD INPUT
|
|
err = popz.Verify(bz("OUTPUT4"), "/KEY4/KEY2/KEY1", [][]byte{bz("INPUT1_WRONG")})
|
|
assert.NotNil(t, err)
|
|
err = popz.VerifyValue(bz("OUTPUT4"), "/KEY4/KEY2/KEY1", bz("INPUT1_WRONG"))
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD KEY 1
|
|
err = popz.Verify(bz("OUTPUT4"), "/KEY3/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD KEY 2
|
|
err = popz.Verify(bz("OUTPUT4"), "KEY4/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD KEY 3
|
|
err = popz.Verify(bz("OUTPUT4"), "/KEY4/KEY2/KEY1/", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD KEY 4
|
|
err = popz.Verify(bz("OUTPUT4"), "//KEY4/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD KEY 5
|
|
err = popz.Verify(bz("OUTPUT4"), "/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD OUTPUT 1
|
|
err = popz.Verify(bz("OUTPUT4_WRONG"), "/KEY4/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD OUTPUT 2
|
|
err = popz.Verify(bz(""), "/KEY4/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD POPZ 1
|
|
popz = []ProofOperator{op1, op2, op4}
|
|
err = popz.Verify(bz("OUTPUT4"), "/KEY4/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD POPZ 2
|
|
popz = []ProofOperator{op4, op3, op2, op1}
|
|
err = popz.Verify(bz("OUTPUT4"), "/KEY4/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
|
|
// BAD POPZ 3
|
|
popz = []ProofOperator{}
|
|
err = popz.Verify(bz("OUTPUT4"), "/KEY4/KEY2/KEY1", [][]byte{bz("INPUT1")})
|
|
assert.NotNil(t, err)
|
|
}
|
|
|
|
func bz(s string) []byte {
|
|
return []byte(s)
|
|
}
|