protected static int calcLength(byte[] buf,int cursor,int offset)
{
VarInt varint;
// jump past version (uint32)
cursor = offset + 4;
int i;
long scriptLen;
varint = new VarInt(buf, cursor);
long txInCount = varint.value;
cursor += varint.getOriginalSizeInBytes();
for (i = 0; i < txInCount; i++) {
// 36 = length of previous_outpoint
cursor += 36;
varint = new VarInt(buf, cursor);
scriptLen = varint.value;
// 4 = length of sequence field (unint32)
cursor += scriptLen + 4 + varint.getOriginalSizeInBytes();
}
varint = new VarInt(buf, cursor);
long txOutCount = varint.value;
cursor += varint.getOriginalSizeInBytes();
for (i = 0; i < txOutCount; i++) {
// 8 = length of tx value field (uint64)
cursor += 8;
varint = new VarInt(buf, cursor);
scriptLen = varint.value;
cursor += scriptLen + varint.getOriginalSizeInBytes();
}
// 4 = length of lock_time field (uint32)
return cursor - offset + 4;
}
