diff options
Diffstat (limited to 'core/vm/memory.go')
| -rw-r--r-- | core/vm/memory.go | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/core/vm/memory.go b/core/vm/memory.go index 5408707..ba5f848 100644 --- a/core/vm/memory.go +++ b/core/vm/memory.go @@ -18,9 +18,8 @@ package vm import ( "fmt" - "math/big" - "github.com/ava-labs/go-ethereum/common/math" + "github.com/holiman/uint256" ) // Memory implements a simple memory model for the ethereum virtual machine. @@ -50,7 +49,7 @@ func (m *Memory) Set(offset, size uint64, value []byte) { // Set32 sets the 32 bytes starting at offset to the value of val, left-padded with zeroes to // 32 bytes. -func (m *Memory) Set32(offset uint64, val *big.Int) { +func (m *Memory) Set32(offset uint64, val *uint256.Int) { // length of store may never be less than offset + size. // The store should be resized PRIOR to setting the memory if offset+32 > uint64(len(m.store)) { @@ -59,7 +58,7 @@ func (m *Memory) Set32(offset uint64, val *big.Int) { // Zero the memory area copy(m.store[offset:offset+32], []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}) // Fill in relevant bits - math.ReadBits(val, m.store[offset:offset+32]) + val.WriteToSlice(m.store[offset:]) } // Resize resizes the memory to size @@ -70,7 +69,7 @@ func (m *Memory) Resize(size uint64) { } // Get returns offset + size as a new slice -func (m *Memory) Get(offset, size int64) (cpy []byte) { +func (m *Memory) GetCopy(offset, size int64) (cpy []byte) { if size == 0 { return nil } |