core: fix typos (#1237)

fixes various typos in core

Co-authored-by: 0xbstn <bastien-bouge@hotmail.fr>

core/vm/contract.go

@@ -31,13 +31,13 @@ type ContractRef interface {
 // AccountRef implements ContractRef.
 //
 // Account references are used during EVM initialisation and
-// it's primary use is to fetch addresses. Removing this object
+// its primary use is to fetch addresses. Removing this object
 // proves difficult because of the cached jump destinations which
 // are fetched from the parent contract (i.e. the caller), which
 // is a ContractRef.
 type AccountRef common.Address
 
-// Address casts AccountRef to a Address
+// Address casts AccountRef to an Address
 func (ar AccountRef) Address() common.Address { return (common.Address)(ar) }
 
 // Contract represents an ethereum contract in the state database. It contains

core/vm/contracts_test.go

@@ -653,7 +653,7 @@ func BenchmarkPrecompiledRipeMD(bench *testing.B) {
 	benchmarkPrecompiled("03", t, bench)
 }
 
-// Benchmarks the sample inputs from the identiy precompile.
+// Benchmarks the sample inputs from the identity precompile.
 func BenchmarkPrecompiledIdentity(bench *testing.B) {
 	t := precompiledTest{
 		input:    "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02",

core/vm/gas_table.go

@@ -105,7 +105,7 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi
 	// Legacy rules should be applied if we are in Petersburg (removal of EIP-1283)
 	// OR Constantinople is not active
 	if evm.chainRules.IsPetersburg || !evm.chainRules.IsConstantinople {
-		// This checks for 3 scenario's and calculates gas accordingly:
+		// This checks for 3 scenarios and calculates gas accordingly:
 		//
 		// 1. From a zero-value address to a non-zero value         (NEW VALUE)
 		// 2. From a non-zero value address to a zero-value address (DELETE)

core/vm/interpreter.go

@@ -45,7 +45,7 @@ type EVMInterpreter struct {
 	table *JumpTable
 
 	hasher    crypto.KeccakState // Keccak256 hasher instance shared across opcodes
-	hasherBuf common.Hash        // Keccak256 hasher result array shared aross opcodes
+	hasherBuf common.Hash        // Keccak256 hasher result array shared across opcodes
 
 	readOnly   bool   // Whether to throw on stateful modifications
 	returnData []byte // Last CALL's return data for subsequent reuse
@@ -149,7 +149,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 		debug   = in.evm.Config.Tracer != nil
 	)
 	// Don't move this deferred function, it's placed before the capturestate-deferred method,
-	// so that it get's executed _after_: the capturestate needs the stacks before
+	// so that it gets executed _after_: the capturestate needs the stacks before
 	// they are returned to the pools
 	defer func() {
 		returnStack(stack)

core/vm/jump_table_export.go

@@ -20,7 +20,7 @@ import (
 	"github.com/XinFinOrg/XDPoSChain/params"
 )
 
-// LookupInstructionSet returns the instructionset for the fork configured by
+// LookupInstructionSet returns the instruction set for the fork configured by
 // the rules.
 func LookupInstructionSet(rules params.Rules) (JumpTable, error) {
 	switch {
@@ -52,7 +52,7 @@ func LookupInstructionSet(rules params.Rules) (JumpTable, error) {
 	return newFrontierInstructionSet(), nil
 }
 
-// Stack returns the mininum and maximum stack requirements.
+// Stack returns the minimum and maximum stack requirements.
 func (op *operation) Stack() (int, int) {
 	return op.minStack, op.maxStack
 }

core/vm/jump_table_test.go

@@ -22,7 +22,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-// TestJumpTableCopy tests that deep copy is necessery to prevent modify shared jump table
+// TestJumpTableCopy tests that deep copy is necessary to prevent modify shared jump table
 func TestJumpTableCopy(t *testing.T) {
 	tbl := newEip1559InstructionSet()
 	require.Equal(t, uint64(0), tbl[SLOAD].constantGas)

core/vm/operations_acl.go

@@ -219,7 +219,7 @@ var (
 	gasSStoreEIP3529 = makeGasSStoreFunc(params.SstoreClearsScheduleRefundEIP3529)
 )
 
-// makeSelfdestructGasFn can create the selfdestruct dynamic gas function for EIP-2929 and EIP-2539
+// makeSelfdestructGasFn can create the selfdestruct dynamic gas function for EIP-2929 and EIP-3539
 func makeSelfdestructGasFn(refundsEnabled bool) gasFunc {
 	gasFunc := func(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
 		var (

core/vm/runtime/runtime_test.go

@@ -671,7 +671,7 @@ func TestColdAccountAccessCost(t *testing.T) {
 			for ii, op := range tracer.StructLogs() {
 				t.Logf("%d: %v %d", ii, op.OpName(), op.GasCost)
 			}
-			t.Fatalf("tescase %d, gas report wrong, step %d, have %d want %d", i, tc.step, have, want)
+			t.Fatalf("testcase %d, gas report wrong, step %d, have %d want %d", i, tc.step, have, want)
 		}
 	}
 }