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core: remove Block.GetTransactions, Block.GetTransactionsCount interops

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Updated System.Blockchain.GetBlock interop replaced the functionality of
the following interops:
	System.Block.GetTransactions
	System.Block.GetTransactionCount
	Neo.Block.GetTransactions
	Neo.Block.GetTransactionsCount
This commit is contained in:
Anna Shaleva 2020-06-09 13:24:37 +03:00
parent 7a2d37cf7e
commit 8b7abd36c9
5 changed files with 0 additions and 63 deletions
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4
pkg/compiler/syscall.go
View file

@ -55,10 +55,6 @@ var syscalls = map[string]map[string]string{
"GetConsensusData": "Neo.Header.GetConsensusData",
"GetNextConsensus": "Neo.Header.GetNextConsensus",
},
"block": {
"GetTransactionCount": "Neo.Block.GetTransactionCount",
"GetTransactions": "Neo.Block.GetTransactions",
},
"contract": {
"GetScript": "Neo.Contract.GetScript",
"IsPayable": "Neo.Contract.IsPayable",

29
pkg/core/interop_system.go
View file

@ -250,35 +250,6 @@ func headerGetTimestamp(ic *interop.Context, v *vm.VM) error {
return nil
}
// blockGetTransactionCount returns transactions count in the given block.
func blockGetTransactionCount(ic *interop.Context, v *vm.VM) error {
blockInterface := v.Estack().Pop().Value()
block, ok := blockInterface.(*block.Block)
if !ok {
return errors.New("value is not a block")
}
v.Estack().PushVal(len(block.Transactions))
return nil
}
// blockGetTransactions returns transactions from the given block.
func blockGetTransactions(ic *interop.Context, v *vm.VM) error {
blockInterface := v.Estack().Pop().Value()
block, ok := blockInterface.(*block.Block)
if !ok {
return errors.New("value is not a block")
}
if len(block.Transactions) > vm.MaxArraySize {
return errors.New("too many transactions")
}
txes := make([]stackitem.Item, 0, len(block.Transactions))
for _, tx := range block.Transactions {
txes = append(txes, stackitem.NewInterop(tx))
}
v.Estack().PushVal(txes)
return nil
}
// engineGetScriptContainer returns transaction that contains the script being
// run.
func engineGetScriptContainer(ic *interop.Context, v *vm.VM) error {

4
pkg/core/interops.go
View file

@ -62,8 +62,6 @@ func getInteropFromSlice(ic *interop.Context, slice []interop.Function) func(uin
// All lists are sorted, keep 'em this way, please.
var systemInterops = []interop.Function{
{Name: "System.Block.GetTransactionCount", Func: blockGetTransactionCount, Price: 1},
{Name: "System.Block.GetTransactions", Func: blockGetTransactions, Price: 1},
{Name: "System.Blockchain.GetBlock", Func: bcGetBlock, Price: 250},
{Name: "System.Blockchain.GetContract", Func: bcGetContract, Price: 100},
{Name: "System.Blockchain.GetHeader", Func: bcGetHeader, Price: 100},
@ -104,8 +102,6 @@ var neoInterops = []interop.Function{
{Name: "Neo.Account.GetBalance", Func: accountGetBalance, Price: 1},
{Name: "Neo.Account.GetScriptHash", Func: accountGetScriptHash, Price: 1},
{Name: "Neo.Account.IsStandard", Func: accountIsStandard, Price: 100},
{Name: "Neo.Block.GetTransactionCount", Func: blockGetTransactionCount, Price: 1},
{Name: "Neo.Block.GetTransactions", Func: blockGetTransactions, Price: 1},
{Name: "Neo.Blockchain.GetAccount", Func: bcGetAccount, Price: 100},
{Name: "Neo.Blockchain.GetContract", Func: bcGetContract, Price: 100},
{Name: "Neo.Blockchain.GetHeader", Func: bcGetHeader, Price: 100},

2
pkg/core/interops_test.go
View file

@ -34,8 +34,6 @@ func TestUnexpectedNonInterops(t *testing.T) {
funcs := []func(*interop.Context, *vm.VM) error{
accountGetBalance,
accountGetScriptHash,
blockGetTransactionCount,
blockGetTransactions,
contractGetScript,
contractGetStorageContext,
contractIsPayable,

24
pkg/interop/block/block.go
View file

@ -1,24 +0,0 @@
/*
Package block provides getters for Neo Block structure.
*/
package block
import "github.com/nspcc-dev/neo-go/pkg/interop/blockchain"
// Block represents a NEO block, it's an opaque data structure that you can get
// data from only using functions from this package. It's similar in function to
// the Block class in the Neo .net framework. To use it you need to get it via
// blockchain.GetBlock function call.
type Block struct{}
// GetTransactionCount returns the number of recorded transactions in the given
// block. It uses `Neo.Block.GetTransactionCount` syscall internally.
func GetTransactionCount(b Block) int {
return 0
}
// GetTransactions returns a slice of transactions recorded in the given block.
// It uses `Neo.Block.GetTransactions` syscall internally.
func GetTransactions(b Block) []blockchain.Transaction {
return []blockchain.Transaction{}
}