67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
package comms
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/rpc/codec"
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"github.com/ethereum/go-ethereum/rpc/shared"
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)
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type InProcClient struct {
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api shared.EthereumApi
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codec codec.Codec
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lastId interface{}
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lastJsonrpc string
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lastErr error
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lastRes interface{}
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}
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// Create a new in process client
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func NewInProcClient(codec codec.Codec) *InProcClient {
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return &InProcClient{
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codec: codec,
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}
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}
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func (self *InProcClient) Close() {
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// do nothing
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}
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// Need to setup api support
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func (self *InProcClient) Initialize(offeredApi shared.EthereumApi) {
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self.api = offeredApi
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}
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func (self *InProcClient) Send(req interface{}) error {
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if r, ok := req.(*shared.Request); ok {
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self.lastId = r.Id
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self.lastJsonrpc = r.Jsonrpc
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self.lastRes, self.lastErr = self.api.Execute(r)
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return self.lastErr
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}
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return fmt.Errorf("Invalid request (%T)", req)
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}
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func (self *InProcClient) Recv() (interface{}, error) {
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return self.lastRes, self.lastErr
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}
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func (self *InProcClient) SupportedModules() (map[string]string, error) {
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req := shared.Request{
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Id: 1,
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Jsonrpc: "2.0",
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Method: "modules",
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}
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if res, err := self.api.Execute(&req); err == nil {
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if result, ok := res.(map[string]string); ok {
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return result, nil
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}
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} else {
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return nil, err
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}
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return nil, fmt.Errorf("Invalid response")
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}
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