Function TestTxValidation

protocol/validation/validation_test.go:25–363

(t *testing.T)

}

func TestTxValidation(t *testing.T) {
	var (
		tx      *bc.Tx
		vs      *validationState
		fixture *txFixture

		// the mux from tx, pulled out for convenience
		mux *bc.Mux
	)

	cases := []struct {
		desc string // description of the test case
		f    func() // function to adjust tx, vs, and/or mux
		err  error  // expected error
	}{
		{
			desc: "base case",
		},
		{
			desc: "failing mux program",
			f: func() {
				mux.Program.Code = []byte{byte(vm.OP_FALSE)}
			},
			err: vm.ErrFalseVMResult,
		},
		{
			desc: "unbalanced mux amounts",
			f: func() {
				mux.Sources[0].Value.Amount++
				iss := tx.Entries[*mux.Sources[0].Ref].(*bc.Issuance)
				iss.WitnessDestination.Value.Amount++
			},
			err: errUnbalanced,
		},
		{
			desc: "overflowing mux source amounts",
			f: func() {
				mux.Sources[0].Value.Amount = math.MaxInt64
				iss := tx.Entries[*mux.Sources[0].Ref].(*bc.Issuance)
				iss.WitnessDestination.Value.Amount = math.MaxInt64
			},
			err: errOverflow,
		},
		{
			desc: "underflowing mux destination amounts",
			f: func() {
				mux.WitnessDestinations[0].Value.Amount = math.MaxInt64
				out := tx.Entries[*mux.WitnessDestinations[0].Ref].(*bc.Output)
				out.Source.Value.Amount = math.MaxInt64
				mux.WitnessDestinations[1].Value.Amount = math.MaxInt64
				out = tx.Entries[*mux.WitnessDestinations[1].Ref].(*bc.Output)
				out.Source.Value.Amount = math.MaxInt64
			},
			err: errOverflow,
		},
		{
			desc: "unbalanced mux assets",
			f: func() {