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fully working

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This commit is contained in:
NikVolf
2017-04-25 01:44:56 +03:00
parent 8ca9fbe612
commit 115df22213
2 changed files with 72 additions and 35 deletions
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samples/contract3.rs
+10 -8
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@@ -70,9 +70,9 @@ fn read_u32(slc: &[u8]) -> u32 {
fn write_u32(dst: &mut [u8], val: u32) {
dst[0] = (val & 0x000000ff) as u8;
dst[1] = (val & 0x0000ff00 >> 8) as u8;
dst[2] = (val & 0x00ff0000 >> 16) as u8;
dst[3] = (val & 0xff000000 >> 24) as u8;
dst[1] = ((val & 0x0000ff00) >> 8) as u8;
dst[2] = ((val & 0x00ff0000) >> 16) as u8;
dst[3] = ((val & 0xff000000) >> 24) as u8;
}
fn write_ptr(dst: &mut [u8], ptr: *mut u8) {
@@ -105,7 +105,7 @@ impl CallArgs {
}
pub fn save(self, ptr: *mut u8) {
let dst = unsafe { slice::from_raw_parts_mut(ptr, 6 * 4) };
let dst = unsafe { slice::from_raw_parts_mut(ptr.offset(8), 2 * 4) };
let context = self.context;
let mut result = self.result;
@@ -114,8 +114,8 @@ impl CallArgs {
if result.len() > 0 {
// result
write_ptr(dst, result.as_mut_ptr());
write_u32(dst, result.len() as u32);
write_ptr(&mut dst[0..4], result.as_mut_ptr());
write_u32(&mut dst[4..8], result.len() as u32);
// managed in calling code
std::mem::forget(result);
}
@@ -125,6 +125,8 @@ impl CallArgs {
#[no_mangle]
pub fn call(descriptor: *mut u8) {
let mut ctx = CallArgs::from_raw(descriptor);
let _ = storage::append(ctx.context());
*ctx.result_mut() = ctx.context().to_vec();
let data = ctx.context().to_vec();
let _ = storage::append(&data);
*ctx.result_mut() = data;
ctx.save(descriptor);
}