erigon-pulse/cmd/rpcdaemon/commands/starknet_call.go
Håvard Anda Estensen 7c15ed59e4
Enable prealloc linter (#5177)
* Enable prealloc linter

* Set inital slice len to 0
2022-08-26 10:04:36 +07:00

98 lines
2.3 KiB
Go

package commands
import (
"context"
"reflect"
"strings"
"github.com/ledgerwatch/erigon-lib/gointerfaces/starknet"
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/rpc"
"google.golang.org/protobuf/types/known/anypb"
"google.golang.org/protobuf/types/known/wrapperspb"
)
type StarknetGrpcCallArgs struct {
Inputs string
Address string
Function string
Code string
BlockHash string
BlockNumber int64
Network string
}
type StarknetCallRequest struct {
ContractAddress common.Address32
EntryPointSelector string
CallData []string
}
func (s StarknetGrpcCallArgs) ToMapAny() (result map[string]*anypb.Any) {
result = make(map[string]*anypb.Any)
v := reflect.ValueOf(s)
typeOfS := v.Type()
for i := 0; i < v.NumField(); i++ {
fieldName := strings.ToLower(typeOfS.Field(i).Name)
switch v.Field(i).Kind() {
case reflect.Int64:
result[fieldName], _ = anypb.New(wrapperspb.Int64(v.Field(i).Interface().(int64)))
default:
result[fieldName], _ = anypb.New(wrapperspb.String(v.Field(i).Interface().(string)))
}
}
return result
}
// Call implements starknet_call.
func (api *StarknetImpl) Call(ctx context.Context, request StarknetCallRequest, blockNrOrHash rpc.BlockNumberOrHash) ([]string, error) {
tx, err := api.db.BeginRo(ctx)
if err != nil {
return nil, err
}
defer tx.Rollback()
code, err := api.GetCode(ctx, request.ContractAddress.ToCommonAddress(), blockNrOrHash)
if err != nil {
return nil, err
}
requestParams := &StarknetGrpcCallArgs{
Inputs: strings.Join(request.CallData, ","),
Address: request.ContractAddress.String(),
Function: request.EntryPointSelector,
Code: code.String(),
}
if blockNrOrHash.BlockHash != nil {
requestParams.BlockHash = blockNrOrHash.BlockHash.String()
}
if blockNrOrHash.BlockNumber != nil {
requestParams.BlockNumber = blockNrOrHash.BlockNumber.Int64()
}
requestParamsMap := requestParams.ToMapAny()
grpcRequest := &starknet.CallRequest{
Method: "starknet_call",
Params: requestParamsMap,
}
response, err := api.client.Call(ctx, grpcRequest)
if err != nil {
return nil, err
}
result := make([]string, 0, len(response.Result))
for _, v := range response.Result {
s := wrapperspb.String("")
v.UnmarshalTo(s)
result = append(result, s.GetValue())
}
return result, nil
}