prevent overextending tape increment

bpu.go

@@ -189,7 +189,11 @@ func (x *XPut) fromScript(config ParseConfig, script *bscript.Script, idx uint8)
 			}
 			if prevSplitter {
 				cell_i = 0
-				tape_i++
+				// when multiple consecutive splits ocur this can be incremented too far before splitting
+				// this will make sure tape is only incremented one past its length
+				if len(x.Tape) > int(tape_i) {
+					tape_i++
+				}
 				prevSplitter = false
 			}
 			tape_i, cell_i, isSplitter, err = x.processChunk(part, config, uint8(cIdx), idx, splitterRequirementMet, tape_i, cell_i)

bpu_test.go

@@ -210,3 +210,19 @@ func TestOrd(t *testing.T) {
 }
 
 // TODO: Split tests
+
+// ExampleNewFromTx example using NewFromTx()
+func TestExampleNew(t *testing.T) {
+	t.Run("bpu.Parse example", func(t *testing.T) {
+
+		exampleRawTx := "010000000001000000000000000033006a07707265666978310c6578616d706c652064617461021337017c07707265666978320e6578616d706c652064617461203200000000"
+
+		b, err := Parse(ParseConfig{RawTxHex: &exampleRawTx, SplitConfig: splitConfig})
+
+		assert.Nil(t, err)
+		assert.NotNil(t, b)
+
+		fmt.Printf("found tx: %s", b.Tx.H)
+	})
+	// Output:found tx: f94e4adeac0cee5e9ff9985373622db9524e9f98d465dc024f85aec8acfeaf16
+}

go.mod

@@ -18,8 +18,9 @@ require (
 
 require (
 	github.com/bitcoinschema/go-bitcoin v0.3.20
+	github.com/bitcoinschema/go-bitcoin/v2 v2.0.3
 	github.com/libsv/go-bk v0.1.6 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/stretchr/testify v1.8.1
-	golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b // indirect
+	golang.org/x/crypto v0.6.0 // indirect
 )

go.sum

@@ -1,5 +1,7 @@
 github.com/bitcoinschema/go-bitcoin v0.3.20 h1:jWKT7ePYm4dPaIR2aIAVL8BwdsYtuG/4B87l1+KZyWs=
 github.com/bitcoinschema/go-bitcoin v0.3.20/go.mod h1:HyyMGUTtGE1qOgFJzCmvgsf3y55IfxJ+qLbwRm4Ski4=
+github.com/bitcoinschema/go-bitcoin/v2 v2.0.3 h1:3pxGpFk7L2GcAx6VYW6kgcOmI0jhnZ/2zKSsfxqhvfM=
+github.com/bitcoinschema/go-bitcoin/v2 v2.0.3/go.mod h1:MnikSx/hRXOS7dG3RlJOP2cV2lG6IOmoGd6HhvCB7Gc=
 github.com/bitcoinsv/bsvd v0.0.0-20190609155523-4c29707f7173 h1:2yTIV9u7H0BhRDGXH5xrAwAz7XibWJtX2dNezMeNsUo=
 github.com/bitcoinsv/bsvd v0.0.0-20190609155523-4c29707f7173/go.mod h1:BZ1UcC9+tmcDEcdVXgpt13hMczwJxWzpAn68wNs7zRA=
 github.com/bitcoinsv/bsvlog v0.0.0-20181216181007-cb81b076bf2e h1:6f+gRvaPE/4h0g39dqTNPr9/P4mikw0aB+dhiExaWN8=
@@ -37,10 +39,11 @@ github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
-golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 h1:/UOmuWzQfxxo9UtlXMwuQU8CMgg1eZXqTRwkSQJWKOI=
 golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b h1:QAqMVf3pSa6eeTsuklijukjXBlj7Es2QQplab+/RbQ4=
 golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.6.0 h1:qfktjS5LUO+fFKeJXZ+ikTRijMmljikvG68fpMMruSc=
+golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=