ipld-eth-server/pkg/geth/client/rpc_client.go
2018-08-07 10:51:34 -05:00

38 lines
1.0 KiB
Go

package client
import (
"context"
"github.com/ethereum/go-ethereum/rpc"
)
type RpcClient struct {
client *rpc.Client
ipcPath string
}
func NewRpcClient(client *rpc.Client, ipcPath string) RpcClient {
return RpcClient{
client: client,
ipcPath: ipcPath,
}
}
func (client RpcClient) CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error {
//If an empty interface (or other nil object) is passed to CallContext, when the JSONRPC message is created the params will
//be interpreted as [null]. This seems to work fine for most of the ethereum clients (which presumably ignore a null parameter.
//Ganache however does not ignore it, and throws an 'Incorrect number of arguments' error.
if args == nil {
return client.client.CallContext(ctx, result, method)
} else {
return client.client.CallContext(ctx, result, method, args)
}
}
func (client RpcClient) IpcPath() string {
return client.ipcPath
}
func (client RpcClient) SupportedModules() (map[string]string, error) {
return client.client.SupportedModules()
}