implement BatchMerkleProof

batchmerkleproof.go

@@ -0,0 +1,48 @@
+package ergo
+
+/*
+   #include "ergo.h"
+*/
+import "C"
+import (
+	"runtime"
+	"unsafe"
+)
+
+type BatchMerkleProof interface {
+	Valid(expectedRoot []byte) bool
+}
+
+type batchMerkleProof struct {
+	p C.BatchMerkleProofPtr
+}
+
+func newBatchMerkleProof(b *batchMerkleProof) BatchMerkleProof {
+	runtime.SetFinalizer(b, finalizeBatchMerkleProof)
+	return b
+}
+
+func NewBatchMerkleProof(json string) (BatchMerkleProof, error) {
+	jsonStr := C.CString(json)
+	defer C.free(unsafe.Pointer(jsonStr))
+
+	var p C.BatchMerkleProofPtr
+	errPtr := C.ergo_lib_batch_merkle_proof_from_json(jsonStr, &p)
+	err := newError(errPtr)
+	if err.isError() {
+		return nil, err.error()
+	}
+	b := &batchMerkleProof{p: p}
+	return newBatchMerkleProof(b), nil
+}
+
+func (b *batchMerkleProof) Valid(expectedRoot []byte) bool {
+	byteData := C.CBytes(expectedRoot)
+	defer C.free(unsafe.Pointer(byteData))
+	res := C.ergo_lib_batch_merkle_proof_valid(b.p, (*C.uchar)(byteData), C.ulong(len(expectedRoot)))
+	return bool(res)
+}
+
+func finalizeBatchMerkleProof(b *batchMerkleProof) {
+	C.ergo_lib_batch_merkle_proof_delete(b.p)
+}