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*: Convert slices to arrays instead of copy where possible

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Became possible with Go 1.20.

Signed-off-by: Leonard Lyubich <leonard@morphbits.io>
This commit is contained in:
Leonard Lyubich 2024-07-05 17:13:15 +04:00
parent 5566e354d4
commit c975d728e8
4 changed files with 7 additions and 7 deletions
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6
pkg/core/interop/context.go
View file

@ -32,6 +32,8 @@ import (
const (
// DefaultBaseExecFee specifies the default multiplier for opcode and syscall prices.
DefaultBaseExecFee = 30
// ContextNonceDataLen is a length of [Context.NonceData] in bytes.
ContextNonceDataLen = 16
)
// Ledger is the interface to Blockchain required for Context functionality.
@ -52,7 +54,7 @@ type Context struct {
Natives []Contract
Trigger trigger.Type
Block *block.Block
NonceData [16]byte
NonceData [ContextNonceDataLen]byte
Tx *transaction.Transaction
DAO *dao.Simple
Notifications []state.NotificationEvent
@ -97,7 +99,7 @@ func NewContext(trigger trigger.Type, bc Ledger, d *dao.Simple, baseExecFee, bas
// InitNonceData initializes nonce to be used in `GetRandom` calculations.
func (ic *Context) InitNonceData() {
if tx, ok := ic.Container.(*transaction.Transaction); ok {
copy(ic.NonceData[:], tx.Hash().BytesBE())
ic.NonceData = [ContextNonceDataLen]byte(tx.Hash().BytesBE())
}
if ic.Block != nil {
nonce := ic.Block.Nonce

2
pkg/core/interop/runtime/util.go
View file

@ -103,7 +103,7 @@ func GetRandom(ic *interop.Context) error {
}
res := murmur128(ic.NonceData[:], seed)
if !isHF {
copy(ic.NonceData[:], res)
ic.NonceData = [interop.ContextNonceDataLen]byte(res)
}
if !ic.VM.AddGas(ic.BaseExecFee() * price) {
return errors.New("gas limit exceeded")

3
pkg/util/uint160.go
View file

@ -50,8 +50,7 @@ func Uint160DecodeBytesBE(b []byte) (u Uint160, err error) {
if len(b) != Uint160Size {
return u, fmt.Errorf("expected byte size of %d got %d", Uint160Size, len(b))
}
copy(u[:], b)
return
return Uint160(b), nil
}
// Uint160DecodeBytesLE attempts to decode the given bytes in little-endian

3
pkg/util/uint256.go
View file

@ -50,8 +50,7 @@ func Uint256DecodeBytesBE(b []byte) (u Uint256, err error) {
if len(b) != Uint256Size {
return u, fmt.Errorf("expected []byte of size %d got %d", Uint256Size, len(b))
}
copy(u[:], b)
return u, nil
return Uint256(b), nil
}
// Uint256DecodeBytesLE attempts to decode the given string (in LE representation) into a Uint256.